commit c55598494bdde0d8e9153f67ed38f3243dc40521
Author: selfrelease <freedak.ipad@gmail.com>
Date:   Tue Jun 16 00:55:20 2026 +0800

    init: AI培训与智能巡检系统

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+# AI培训与智能巡检系统
+
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+}
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+# 中国机车图鉴 · 产品与技术方案
+
+> 一个面向铁路爱好者的、可众包维护的机车知识库与社区平台
+> 数据基础：`中国铁路车型统计表（总表）` 共 12 张分类表
+
+---
+
+## 1. 项目愿景
+
+打造一个**「科学严谨 + 趣味探索 + 社区共建」**的中国机车数字图鉴：
+
+- 对爱好者：一个能"逛得进去、查得明白、玩得起来"的机车百科 + 打卡社区。
+- 对数据：一份持续生长、有据可查、版本可追溯的开放车型数据库。
+- 对社区：一个有荣誉感、有归属感、有交流沉淀的爱好者聚集地。
+
+一句话定位：**机车界的「维基百科 + 观鸟记录 App + 兴趣社区」**。
+
+---
+
+## 2. 数据现状分析
+
+现有 Excel 已覆盖 12 个分类，字段相当完整，是天然的"数据底座"。
+
+| 分类 | 代表字段 | 数据特征 |
+|------|----------|----------|
+| 蒸汽机车（建国前/后） | 型号、生产商、年代 | 历史向，强时间轴属性 |
+| 电力机车 | 牵引力、供电方式、轴列式、时速 | 技术参数密集 |
+| 内燃机车 | 系列、传动方式、动力来源 | 有"系列→型号"层级 |
+| 动车组（和谐号/复兴号/CJ） | 编组、节数、试验/量产状态 | 强版本/谱系关系 |
+| 货车 | 车型大类、车型代码、载重、容积、车钩 | 编码体系清晰 |
+| 客车 | 型号、用途 | 数量大 |
+| 检测车 / 综合检测列车 | 车号、功能、配属、状态、涂装 | 强"个体实例"属性（精确到车号） |
+| 旅游列车 | — | 运营/线路向 |
+
+**关键洞察：**
+
+1. **存在两个数据粒度**——"车型（Model）"与"具体车辆个体（Unit，精确到车号）"。检测车表已经到了车号粒度，这正是众包打卡的核心载体。
+2. **存在层级与谱系关系**——系列 → 型号 → 改型（如 C62A / C64K），动车组有试验型→量产型演化，适合做"技术族谱"可视化。
+3. **字段需要标准化**——现表中存在合并单元格、单位混排（如"整备重量 / 轴重 /t"）、空表头等问题，入库前需清洗与字段规范化。
+4. **天然带时间维度与空间维度**——首产/停产年份 → 时间轴；配属路局/运营线路 → 地图。
+
+---
+
+## 3. 核心数据模型
+
+采用三层模型，兼顾科学性与众包扩展性：
+
+```
+车型分类 (Category)
+    └── 车型 (Model)              ← 百科主体，技术参数挂这里
+          └── 车辆个体 (Unit)     ← 精确到车号，爱好者打卡/拍摄对象
+                └── 目击记录 (Sighting)  ← 用户众包内容：时间+地点+照片
+```
+
+**Model（车型）核心字段**（统一字段表，跨分类通用 + 分类专有）
+
+- 通用：型号、别名、分类、系列、生产商、**制造国/地区**、**国别属性（国产/进口/引进仿制/中外合资）**、首产年、停产年、状态、用途、产量、缩略图
+- 尺寸/重量：车长、车宽、车高、整备重量、轴重、轴距、轴列式
+- 动力：牵引力（起动/持续）、最高时速、供电方式、传动方式、动力来源
+- 关系：父型号（改型自）、衍生型号（构成"族谱"）、**原型车/技术来源（指向国外车型，如 8K↔法国、ND 系列↔进口内燃）**
+
+**Unit（车辆个体）字段**：车号、所属车型、配属路局、涂装、当前状态（现役/封存/报废/保存于博物馆）、首次/末次目击。
+
+**Sighting（目击/打卡）字段**：用户、车辆、时间、地点（经纬度+车站）、照片、描述。
+
+> 字段命名、单位统一在数据字典中维护，所有数值字段拆出独立"数值 + 单位"避免现表的混排问题。
+
+---
+
+## 4. 展示模式（既有趣又科学）
+
+不押注单一视图，而是提供**多视图切换**，让不同诉求的人各取所需。
+
+### 4.1 时间轴视图 ⭐ 推荐主视图
+- 横轴为年代（1881 至今），按分类分泳道。
+- 每个车型是轴上一个节点，点击展开详情卡。
+- 适合呈现"蒸汽→内燃→电力→动车组"的技术演进，**科学感与故事性兼具**。
+
+### 4.2 地图视图 ⭐ 推荐
+- 两种用法：
+  - **配属地图**：按路局展示车型分布（适合机车/检测车）。
+  - **目击热力图**：聚合用户打卡记录，展示"哪里能拍到什么车"——这是社区活跃度的可视化，趣味性极强。
+- 技术：MapLibre / 高德地图，聚合点 + 热力图。
+
+### 4.3 技术族谱图（谱系树）⭐ 差异化亮点
+- 用有向图展示车型演化（如 韶山系列、和谐号→复兴号、C 系列敞车改型）。
+- 节点=车型，连线=改进/衍生关系。最能体现"科学"且独此一家。
+
+### 4.4 图鉴/卡牌视图
+- 类似宝可梦图鉴的卡片墙，按分类筛选，带"已收集/未收集"状态（结合打卡）。
+- 是趣味性与收集欲的核心载体。
+
+### 4.5 参数对比视图
+- 勾选 2–4 个车型，雷达图/对比表并排比较（时速、牵引力、轴重等）。
+- 满足"硬核党"的科学需求。
+
+### 4.6 详情页
+- 集成：参数表、历史沿革、图集、族谱位置、目击地图、相关讨论。
+
+**结论**：以 **时间轴 + 图鉴卡牌** 为日常入口，**地图 + 族谱 + 对比** 为深度探索，兼顾趣味与科学。
+
+---
+
+## 5. 众包维护机制（让爱好者有荣誉感）
+
+核心思路：**Wiki 式协作编辑 + 审核 + 贡献激励**。
+
+### 5.1 编辑与审核流程
+- 任何登录用户可对车型发起"编辑建议"（修改字段、补充资料、上传图片）。
+- 采用 **修订版本（Revision）** 机制：每次修改生成版本记录，可对比、可回滚（类似维基百科历史）。
+- 审核分级：
+  - 新手编辑 → 进入审核队列，由资深用户/版主复核。
+  - 高信誉用户 → 可直接生效（信任分机制）。
+- 每条字段可附**来源引用**（书籍、铭牌照片、官方资料），保障科学性。
+
+### 5.2 荣誉与激励体系
+- **贡献积分**：新增车型、补全字段、上传被采用的照片、通过审核均得分。
+- **等级与头衔**：如"见习巡道员 → 司炉 → 司机 → 机务段长 → 总工程师"（铁路主题化）。
+- **徽章成就**：首张照片、集齐某分类、连续打卡、被采纳 N 次修订等。
+- **贡献榜**：周榜/月榜/总榜，详情页显示"本词条主要贡献者"署名——**直接给到荣誉感**。
+- **认领词条**：资深爱好者可"认领维护"某车型，成为该词条 maintainer，署名上墙。
+
+### 5.3 数据质量保障
+- 字段校验（数值范围、单位、年代逻辑）。
+- 争议字段可发起讨论投票。
+- 完整修订历史，任何错误可追溯、可回滚。
+
+---
+
+## 6. 社区交流（保留交流历史）
+
+### 6.1 论坛/板块
+- 按分类、路局、主题（拍车/模型/历史考证）分板块。
+- 帖子、回复、@、点赞、收藏，**全部持久化保存，永久可查**（满足"保留交流历史"）。
+
+### 6.2 词条挂讨论
+- 每个车型/个体详情页内嵌讨论区，讨论与数据绑定沉淀。
+
+### 6.3 打卡动态流
+- 用户上传目击照片形成 Feed，可评论互动——把"维护数据"和"社交"融为一体。
+
+### 6.4 内容沉淀
+- 优质考证帖可被"精华化"并引用进词条来源，形成 UGC → 知识库的正循环。
+
+---
+
+## 7. 其他扩展（建议）
+
+| 方向 | 说明 |
+|------|------|
+| 📷 **打卡集邮** | 拍到某车号即"收集"，类似观鸟/集邮，强收集欲 |
+| 🗺️ **拍车攻略** | 基于目击热力图，推荐"在哪个站点能拍到什么车" |
+| 🏛️ **退役/保存机车地图** | 标注各博物馆、公园保存的实车位置，便于线下打卡 |
+| 🔔 **稀有车提醒** | 关注某车型，有新目击时推送 |
+| 🧠 **AI 识车** | 上传照片自动识别车型（长期，基于社区图库训练） |
+| 📊 **数据可视化大屏** | 全国保有量、技术演进、时速变迁等科普图表 |
+| 🎮 **AR/3D 模型** | 部分经典车型 3D 展示或 AR 摆放 |
+| 🌐 **开放 API / 数据导出** | 开放数据集供研究者使用，强化"科学开放"形象 |
+| 🌍 **多语言** | 面向海外铁道迷 |
+
+---
+
+## 8. 国外车型的考量
+
+**当前方案以中国机车为中心，但国外车型不应被忽略**——原因是二者高度交织：
+
+- **历史渊源**：建国前蒸汽机车多为进口/外国制造（美、日等）；建国后大量引进苏联、东欧、法国（8K 电力机车）、日本等机型，形成"**引进 → 仿制 → 自主**"的清晰技术脉络。
+- **强化族谱视图**：把国外原型车纳入后，技术族谱图能完整呈现"原型 → 引进 → 国产化 → 自主升级"链条，科学性和故事性都更强。
+
+### 范围策略（按相关性分圈层收敛，避免范围失控）
+
+| 圈层 | 范围 | 优先级 |
+|------|------|--------|
+| 🟢 圈层一 | 中国铁路车型（现有数据） | MVP，立即做 |
+| 🟡 圈层二 | **在华运用过的外国车型** + **中国车型的国外原型/技术来源** | 中期，价值最高 |
+| 🔵 圈层三 | 与中国有渊源的延伸（如出口机车、同平台海外型号） | 长期 |
+| ⚪ 圈层四 | 纯国外车型全球图鉴 | 视社区意愿再定，谨慎扩张 |
+
+### 设计要点
+
+- 数据模型已预留**制造国/地区、国别属性、原型车/技术来源**字段，从一开始就为国外车型留好位置，无需后期重构。
+- 展示上增加"**按国别筛选**"和"**世界地图**"维度；族谱图跨国连线。
+- **建议**：先做好圈层一、二（与中国强相关的部分），这是差异化价值所在；是否扩到圈层四交给社区共建决定，而非一开始铺开全球数据。
+
+### 注意事项
+
+- 国外资料的**来源与版权**更需谨慎（多语言资料、图片授权）。
+- 字段需国际化（单位、命名、轴列式 UIC 标准 vs 中国习惯）。
+- 防止范围蔓延导致中国部分的深度被稀释——**深度优先于广度**。
+
+---
+
+## 9. 技术架构建议
+
+**前端**
+- Web 优先（响应式），后续 App。框架：React / Next.js（SEO 友好，利于百科被搜索到）。
+- 可视化：时间轴/族谱用 D3 或 ECharts，地图用 MapLibre/高德，对比用 ECharts 雷达图。
+
+**后端**
+- API：Node.js(NestJS) 或 Python(FastAPI)。
+- 数据库：PostgreSQL（结构化车型数据 + PostGIS 处理地理目击数据）。
+- 全文检索：Meilisearch / Elasticsearch（中文搜索）。
+- 对象存储：图片/图集（OSS / S3）。
+- 缓存：Redis。
+
+**关键工程**
+- **数据导入管线**：先做一个 Excel → 清洗 → 入库 的 ETL 脚本（处理合并单元格、单位拆分、字段映射），把现有 12 表作为初始种子数据。
+- **版本/审核服务**：修订记录、diff、回滚。
+- **权限与信誉系统**：RBAC + 贡献积分。
+
+---
+
+## 10. 分期路线图（MVP 优先）
+
+**Phase 1 · 数据底座（MVP）**
+- Excel 清洗入库，统一字段字典。
+- 车型列表 + 详情页 + 搜索筛选。
+- 时间轴视图、图鉴卡牌视图。
+
+**Phase 2 · 众包共建**
+- 登录注册、Wiki 式编辑 + 审核 + 修订历史。
+- 贡献积分、等级、徽章、贡献榜。
+
+**Phase 3 · 社区与空间**
+- 论坛 + 词条讨论 + 打卡动态流。
+- 地图视图（配属 + 目击热力图）。
+
+**Phase 4 · 进阶玩法 + 圈层扩展**
+- 族谱图、参数对比、保存机车地图、稀有车提醒。
+- 接入圈层二：在华运用的外国车型 + 中国车型的国外原型，跨国族谱连线。
+
+**Phase 5 · 智能化**
+- AI 识车、数据大屏、开放 API、AR/3D。
+
+---
+
+## 11. 风险与注意事项
+
+- **数据版权与来源**：众包内容需标注来源，图片需声明授权，避免侵权。
+- **数据准确性**：以"来源引用 + 审核 + 可回滚"对冲错误；争议字段公开讨论。
+- **冷启动**：先邀请核心爱好者圈子共建种子内容与首批 maintainer。
+- **审核成本**：信誉分越高审核越宽松，平衡质量与活跃度。
+- **隐私与合规**：目击地点等 UGC 注意敏感区域与合规要求。
+
+---
+
+## 12. 小结
+
+以现有 12 张分类表为种子，构建"**车型→个体→目击**"三层数据模型；用**时间轴 + 图鉴 + 地图 + 族谱**多视图兼顾趣味与科学；以 **Wiki 式协作 + 信誉荣誉体系**驱动众包维护；用**论坛 + 词条讨论 + 打卡动态**沉淀社区交流历史。建议从数据底座 MVP 起步，逐步叠加共建、社区与智能化能力。
diff --git a/1-prd.md b/1-prd.md
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+# 1-PRD · 中国机车图鉴平台 产品需求文档
+
+> 版本：v1.0
+> 来源：基于 `方案.md` 全文细化
+> 状态：草稿（待评审）
+> 一句话定位：机车界的「维基百科 + 观鸟记录 App + 兴趣社区」
+
+---
+
+## 0. 文档说明
+
+本 PRD 将 `方案.md` 的产品构想细化为可评审、可拆解的需求集合，覆盖目标、用户、范围、功能需求、数据需求、非功能需求、指标与里程碑。技术实现细节（架构选型、表结构）留待后续设计文档（2-design）展开，本文只在"约束"层面引用。
+
+---
+
+## 1. 产品目标与背景
+
+### 1.1 背景
+铁路爱好者群体对机车型号、参数、历史与现役状态有强烈的查询、收集、考证与交流需求，但现有资料分散在 Excel、贴吧、论坛、个人博客中，缺乏一个**结构化、可信、可持续生长**的统一平台。本项目以现有《中国铁路车型统计表》12 张分类表为种子数据，构建该平台。
+
+### 1.2 产品目标
+| 维度 | 目标 |
+|------|------|
+| 知识库 | 提供权威、结构化、可追溯的机车车型数据库 |
+| 趣味体验 | 通过时间轴、图鉴卡牌、地图、族谱等多视图让浏览"既有趣又科学" |
+| 众包共建 | 让爱好者低门槛参与维护，并获得荣誉感与归属感 |
+| 社区沉淀 | 提供交流空间，且交流历史永久可查 |
+
+### 1.3 设计原则
+1. **科学严谨**：数据可溯源、可审核、可回滚。
+2. **趣味探索**：多视图、收集机制、可视化。
+3. **社区共建**：低门槛编辑 + 荣誉激励 + 信任分级。
+4. **深度优先于广度**：先做透中国车型，国外车型按相关性分圈层扩展。
+
+---
+
+## 2. 目标用户与画像
+
+| 角色 | 描述 | 核心诉求 |
+|------|------|----------|
+| 浏览型爱好者（游客/轻度） | 偶尔查车型、看历史 | 快速查询、有趣的浏览 |
+| 拍车/打卡党 | 线下追车、拍照记录 | 记录目击、收集车号、拍车攻略 |
+| 硬核考据党 | 关注参数、历史、谱系 | 准确参数、对比、技术族谱、可溯源 |
+| 贡献者/编辑 | 补全和维护数据 | 便捷编辑、荣誉署名、贡献统计 |
+| 版主/维护者 | 审核与质量把控 | 审核队列、修订对比、回滚 |
+| 管理员 | 平台运营 | 权限、内容治理、数据治理 |
+
+---
+
+## 3. 范围定义
+
+### 3.1 数据范围（圈层策略）
+| 圈层 | 范围 | 阶段 |
+|------|------|------|
+| 🟢 圈层一 | 中国铁路车型（现有 12 表） | MVP |
+| 🟡 圈层二 | 在华运用的外国车型 + 中国车型的国外原型 | 中期 |
+| 🔵 圈层三 | 出口机车、同平台海外型号 | 长期 |
+| ⚪ 圈层四 | 纯国外全球图鉴 | 视社区意愿 |
+
+### 3.2 阶段范围（对应方案路线图）
+- **Phase 1（MVP）**：数据底座 + 列表/详情/搜索 + 时间轴 + 图鉴卡牌。
+- **Phase 2**：账户体系 + Wiki 编辑/审核/修订历史 + 荣誉体系。
+- **Phase 3**：社区（论坛/讨论/动态流）+ 地图视图。
+- **Phase 4**：族谱图 + 参数对比 + 保存机车地图 + 稀有车提醒 + 圈层二数据。
+- **Phase 5**：AI 识车 + 数据大屏 + 开放 API + AR/3D。
+
+### 3.3 不在本期范围（MVP 明确排除）
+- 用户登录与众包编辑（Phase 2）
+- 社区论坛与打卡（Phase 3）
+- AI 识车、AR/3D、开放 API（Phase 5）
+
+---
+
+## 4. 数据需求
+
+### 4.1 数据模型（三层 + 关系）
+```
+Category 车型分类
+  └── Model 车型（百科主体，技术参数）
+        └── Unit 车辆个体（精确到车号）
+              └── Sighting 目击记录（用户众包：时间+地点+照片）
+Model ←→ Model：父型号 / 衍生型号 / 国外原型（族谱关系）
+```
+
+### 4.2 Model 字段字典（统一字段表）
+| 分组 | 字段 | 说明/约束 |
+|------|------|-----------|
+| 标识 | 型号、别名、分类、系列 | 型号必填、唯一性校验 |
+| 来源 | 生产商、制造国/地区、国别属性（国产/进口/引进仿制/合资） | 国别属性枚举 |
+| 时间 | 首产年、停产年 | 年代逻辑校验（首产≤停产） |
+| 状态 | 状态、用途、产量、缩略图 | 状态枚举 |
+| 尺寸/重量 | 车长、车宽、车高、整备重量、轴重、轴距、轴列式 | 数值+单位分离 |
+| 动力 | 牵引力(起动/持续)、最高时速、供电方式、传动方式、动力来源 | 数值+单位分离 |
+| 关系 | 父型号、衍生型号、原型车/技术来源 | 指向其他 Model |
+| 溯源 | 每字段可附来源引用（Phase 2） | 书籍/铭牌照片/官方资料 |
+
+> 约束：所有数值字段以"数值 + 单位"独立存储，杜绝现表的单位混排问题。
+
+### 4.3 Unit / Sighting 字段
+- **Unit**：车号、所属车型、配属路局、涂装、当前状态（现役/封存/报废/博物馆保存）、首/末次目击。
+- **Sighting**：用户、车辆、时间、地点（经纬度+车站）、照片、描述。
+
+### 4.4 数据导入（ETL）
+- 将现有 12 张 CSV/Excel 清洗后入库作为种子数据。
+- 处理：合并单元格还原、空表头修复、单位拆分、字段映射到统一字典、系列→型号层级归并、改型关系识别。
+- 产出：导入报告（成功/失败/需人工复核条目）。
+
+---
+
+## 5. 功能需求（按模块）
+
+> 标注：【P1】MVP / 【P2】共建 / 【P3】社区 / 【P4】进阶 / 【P5】智能化
+
+### 5.1 车型浏览与检索【P1】
+- FR-1.1 车型列表：分页、按分类筛选、按字段排序。
+- FR-1.2 多维筛选：分类、年代、时速区间、生产商、国别、状态。
+- FR-1.3 全文搜索：型号/别名/生产商中文检索，支持模糊与拼音（增强项）。
+- FR-1.4 车型详情页：参数表、历史沿革、图集、族谱位置、相关讨论入口。
+- FR-1.5 数值字段统一展示单位，缺失字段优雅留白。
+
+### 5.2 展示视图【P1/P3/P4】
+- FR-2.1【P1】时间轴视图：年代横轴、分类泳道、节点点击展开详情卡。
+- FR-2.2【P1】图鉴卡牌视图：卡片墙、分类筛选、"已收集/未收集"占位（收集逻辑 P3 接入）。
+- FR-2.3【P4】参数对比：勾选 2–4 个车型，雷达图 + 对比表。
+- FR-2.4【P4】技术族谱图：有向图展示演化关系，支持跨国连线。
+- FR-2.5【P3】地图视图：配属地图 + 目击热力图，聚合点。
+- FR-2.6 视图间可相互跳转（如从族谱节点跳详情）。
+
+### 5.3 账户与权限【P2】
+- FR-3.1 注册/登录（邮箱/第三方）。
+- FR-3.2 角色：游客、注册用户、信任用户、版主、管理员（RBAC）。
+- FR-3.3 个人主页：贡献统计、徽章、收集进度、目击记录。
+
+### 5.4 众包编辑与审核【P2】
+- FR-4.1 编辑建议：登录用户可修改字段、补资料、传图。
+- FR-4.2 修订版本：每次修改生成 Revision，支持 diff 对比与回滚。
+- FR-4.3 审核分级：新手编辑入审核队列；信任用户直接生效。
+- FR-4.4 字段来源引用：可为字段附引用来源。
+- FR-4.5 字段校验：数值范围、单位、年代逻辑。
+- FR-4.6 争议字段：可发起讨论/投票。
+
+### 5.5 荣誉与激励【P2】
+- FR-5.1 贡献积分：新增/补全/采用照片/通过审核计分。
+- FR-5.2 等级头衔：铁路主题等级（见习巡道员→…→总工程师）。
+- FR-5.3 徽章成就：首图、集齐分类、连续打卡、被采纳 N 次等。
+- FR-5.4 贡献榜：周/月/总榜；详情页显示"主要贡献者"署名。
+- FR-5.5 认领词条：成为 maintainer 并署名。
+
+### 5.6 社区交流【P3】
+- FR-6.1 论坛板块：按分类/路局/主题分区。
+- FR-6.2 帖子与回复：发帖、回复、@、点赞、收藏，**永久持久化保存可查**。
+- FR-6.3 词条内嵌讨论区：讨论与数据绑定。
+- FR-6.4 打卡动态流：目击照片 Feed + 评论互动。
+- FR-6.5 内容沉淀：优质考证帖可精华化并引用进词条来源。
+
+### 5.7 打卡与收集【P3/P4】
+- FR-7.1 目击打卡：记录车号、时间、地点、照片。
+- FR-7.2 图鉴收集：拍到即收集，图鉴显示进度。
+- FR-7.3【P4】拍车攻略：基于目击热力图推荐拍摄点。
+- FR-7.4【P4】保存机车地图：标注博物馆/公园保存实车。
+- FR-7.5【P4】稀有车提醒：关注车型新目击推送。
+
+### 5.8 智能化与开放【P5】
+- FR-8.1 AI 识车（照片→车型）。
+- FR-8.2 数据可视化大屏（保有量/时速变迁等）。
+- FR-8.3 开放 API / 数据导出。
+- FR-8.4 AR/3D 模型展示。
+- FR-8.5 多语言（面向海外爱好者）。
+
+---
+
+## 6. 非功能需求
+
+| 类别 | 需求 |
+|------|------|
+| 性能 | 列表/详情页 P95 < 1.5s；搜索响应 < 500ms |
+| 可用性 | 响应式 Web 优先，移动端可用；SEO 友好（百科可被搜索引擎收录） |
+| 可扩展 | 数据模型预留国别/原型字段，圈层扩展不需重构 |
+| 数据质量 | 字段校验 + 来源引用 + 修订可回滚 |
+| 安全 | RBAC 权限；UGC 内容审核；防刷分 |
+| 合规 | 图片版权声明、来源标注；目击地点敏感区域脱敏 |
+| 可观测 | 关键操作日志、审核日志、贡献流水 |
+| 国际化 | 字段单位/命名国际化（UIC vs 中国习惯轴列式） |
+
+---
+
+## 7. 成功指标（KPI）
+
+| 阶段 | 指标 |
+|------|------|
+| MVP | 种子数据完整入库（12 表全覆盖）；车型详情可访问；时间轴/图鉴可用 |
+| 共建 | 月活跃编辑者数、月新增/修订条目数、审核通过率 |
+| 社区 | 月活、发帖/回复数、打卡数、收集完成率 |
+| 留存 | 次周留存、贡献者复访率 |
+| 质量 | 字段完整度、被回滚修订占比（越低越好）、争议解决时长 |
+
+---
+
+## 8. 里程碑与交付物
+
+| 里程碑 | 交付物 | 依赖 |
+|--------|--------|------|
+| M1（MVP） | ETL 入库 + 列表/详情/搜索 + 时间轴 + 图鉴卡牌 | 种子数据清洗 |
+| M2 | 账户 + Wiki 编辑/审核/修订 + 荣誉体系 | M1 |
+| M3 | 论坛/讨论/动态流 + 地图视图 | M2 |
+| M4 | 族谱图 + 对比 + 保存机车地图 + 提醒 + 圈层二数据 | M2/M3 |
+| M5 | AI 识车 + 大屏 + 开放 API + AR/3D | M4 |
+
+---
+
+## 9. 风险与对策
+
+| 风险 | 对策 |
+|------|------|
+| 数据版权/来源争议 | 强制来源标注、图片授权声明 |
+| 数据准确性 | 来源引用 + 审核 + 可回滚 + 争议投票 |
+| 冷启动乏力 | 邀请核心爱好者共建种子内容与首批 maintainer |
+| 审核成本高 | 信任分级，高信誉自动生效 |
+| 范围蔓延 | 圈层收敛，深度优先于广度 |
+| 隐私合规 | 目击地点敏感区域处理与合规审查 |
+
+---
+
+## 10. 待确认问题（Open Questions）
+
+1. 技术栈最终选型（Next.js + NestJS/FastAPI + PostgreSQL）是否锁定？
+2. 是否需要原生 App，还是 PWA 即可？
+3. 第三方登录渠道范围（微信/GitHub/邮箱）？
+4. 地图服务选型（高德 vs MapLibre）与国内合规？
+5. 图片对象存储与 CDN 选型？
+6. MVP 是否需要最简账户（仅收藏）还是完全匿名？
+7. 国外车型圈层二的启动时机与数据来源？
+
+---
+
+## 附录 A · 现有数据分类清单（种子）
+建国前蒸汽机车 / 建国后蒸汽机车 / 北京表（蒸汽机车）/ 普速客车 / 电力机车 / 内燃机车 / CJ 型及早期动车组及和谐号 / 复兴号 / 货车 / 普速检测车 / 高速综合检测列车 / 旅游列车（共 12 类）。
diff --git a/2-task.md b/2-task.md
new file mode 100644
index 0000000..ca117c0
--- /dev/null
+++ b/2-task.md
@@ -0,0 +1,410 @@
+# 2-TASK · 中国机车图鉴平台 开发任务清单
+
+> 版本：v1.0
+> 来源：基于 `1-prd.md` 细化
+> 用途：落实与跟进开发计划（开发 / 单元测试 / e2e 测试）
+
+## 进度日志
+- **2025 · 第 1 批**：完成 Phase 1A 数据底座（T-1.1 / T-1.2）。
+  - ETL 导入 12 张 CSV → SQLite + JSON + 报告：**Model 540 / Unit 307**，跳过 10（空行），0 待复核。
+  - 31 个单元/集成测试全部通过（含全量导入幂等性）。
+  - 代码位于 `app/etl`、`app/tests`，产物位于 `app/data`，说明见 `app/README.md`。
+  - 取舍：开发期用 SQLite（schema 设计为可移植到 PostgreSQL）；Meilisearch/Redis/对象存储等基础设施待 Phase 1B/接入时引入。
+- **2025 · 第 2 批**：完成 Phase 1B 后端 API（T-1.3 / T-1.4），技术栈 **NestJS + TypeScript**（方案 B）。
+  - 接口：`/api/health`、`/api/categories`、`/api/models`(列表/筛选/排序/分页)、`/api/models/:id`(详情)、`/api/units`、`/api/search`。
+  - 参数化查询防注入；全局 ValidationPipe 校验非法参数（返回 400）。
+  - 测试：14 个单元测试 + 9 个 e2e（supertest）全部通过；build 通过；真实库（540/307）联调通过。
+  - 代码位于 `apps/api`（NestJS 标准结构），读取 `app/data/machines.db`。
+  - 取舍：搜索先用 SQLite LIKE+排序实现（规模足够），Meilisearch 延后。
+- **2025 · 第 3 批**：完成 Phase 1C 前端（T-1.5 / T-1.6 / T-1.7），技术栈 **Vite + React + TS**（方案 B，独立前端 `apps/web`）。
+  - 页面：列表页（筛选/排序/分页 + 列表/时间轴/图鉴 三视图切换）、详情页（参数表 + raw_json 保真表）、全局搜索框（防抖下拉）。
+  - 时间轴：分类泳道 + 年代横轴刻度 + 节点跳转；图鉴：卡牌墙 + 已收集/未收集占位。
+  - 测试：23 个单元测试（Vitest + Testing Library）全部通过；`npm run build`（tsc + vite）通过。
+  - 全栈联调：Vite 代理 `/api`→NestJS，真实库 540 车型，列表/排序/搜索均正确返回。
+  - 取舍：SSR/SEO、缩放平移、Playwright 脚本化 e2e 标记延后（已手动联调全栈通过）。
+- **2025 · 第 4 批（A：闭合 MVP）**：补齐 Phase 1 验收（T-1.8）。
+  - 性能基准 `apps/api/bench.mjs`：list/filter/detail p95 ≤ 3ms（阈值 1500ms），search p95 1.3ms（阈值 500ms），全部达标。
+  - Playwright e2e（`apps/web/e2e/smoke.spec.ts`）：首页/筛选→详情/时间轴/图鉴/搜索 **5 项全通过**，webServer 自动拉起前后端。
+  - 修复真实 UX bug：时间轴同年同泳道节点完全重叠导致不可点击 → 实现碰撞分行（错位堆叠）+ 标签 pointer-events:none。
+  - **Phase 1（MVP）正式闭合**。累计测试：ETL 31 + API 23 + 前端单元 25 + e2e 5 = **84 个测试全绿**。
+- **2025 · 第 5 批（图鉴差异化）**：解决"列表与图鉴雷同"问题，落实方案"收集欲"主线。
+  - 图鉴改为**图片优先卡牌墙**：按分类生成 SVG 占位缩略图（`lib/thumb.ts`，真实车照待 Phase 2/3 众包上传替换）。
+  - 轻量**收集功能**：localStorage 记录已收集（`lib/useCollection.ts`），点卡片"收集"点亮缩略图，顶部显示收集进度条；Phase 3 账户上线后迁移云端。
+  - 测试：前端单元增至 34（新增 thumb / GalleryCard），e2e 图鉴用例改为验证缩略图+收集交互；全绿。
+- **2025 · 第 6 批（前端全方位重构 · 主线串联）**：解决"首页死板、一屏过载、无主线"问题。
+  - **叙事首页**（`HomePage`）：英雄区 + 关键统计 + **时速演进曲线**（`EvolutionCurve`，SVG）+ **四个时代章节**（蒸汽→内燃→电力→高铁，每节代表车 + 进入探索），把技术演进主线显性串联。
+  - **信息架构重组**：`/` 故事首页、`/explore` 探索页、`/models/:id` 详情；顶部导航 故事/探索 + 全局搜索。
+  - **探索页减负**：筛选器收进可折叠面板（默认隐藏，带激活计数），默认图鉴视图，更大留白。
+  - 章节链接经 `?category=` 跳入探索并自动筛选（URL 同步）。
+  - 主线逻辑（时代/代表车/时速演进）抽到 `lib/eras.ts` 纯函数并单测。
+  - 测试：前端单元 39 + e2e 7（覆盖首页→探索→详情/时间轴/搜索/章节跳转），全绿；build 通过。
+- **2025 · 第 7 批（专业图标 + 视图合并 + 全详情）**：
+  - **全部 emoji → 专业图标**：引入 `react-icons`，统一 `components/icons.tsx`（分类图标 + 品牌/锁/星/筛选/视图图标）；缩略图改为 `Thumb`（分类渐变 + 专业图标），移除 emoji/data-URI 方案。
+  - **探索页合并视图**：去掉"列表"，统一用**图鉴**展示（默认），仅保留 图鉴 / 时间轴 两视图。
+  - **详情页升级为"全部详情"**：缩略图 Hero + 标签 + 基本信息 / 尺寸与重量 / 动力与性能 / 原始数据 全字段分组展示。
+  - 测试：前端单元 37 + e2e 7（图鉴收集改 aria-pressed、详情断言分组标题），全绿；build 通过。
+- **2025 · 第 8 批（图鉴分页 + 全中文 + 多图灯箱）**：
+  - **图鉴分页**：客户端分页 18/页，分页器置于卡牌墙**上方**；筛选变化回到第 1 页；编号跨页连续。
+  - **详情全中文**：新增 `lib/fieldLabels.ts`（英文规范键→中文），"原始数据"区英文键全部映射为中文（model 17 等已核对全覆盖）。
+  - **详情多图 + 灯箱**：`lib/useImages.ts`（每车型本地图册，localStorage）+ `Lightbox`（缩放/滚轮/拖拽平移/上下张/Esc）；详情新增"图册"区可添加多张图片并点开缩放欣赏；云端众包上传待 Phase 2/3。
+  - 测试：前端单元 39 + e2e 8（新增分页/全中文/图册上传缩放），全绿；build 通过。
+- **2025 · 第 9 批（接入 Wikimedia Commons 真实照片）**：
+  - 每页改为 **21**；详情"图册"接入 **Wikimedia Commons**（`lib/commons.ts` + `useCommonsImages`）：浏览器端 origin=* CORS 检索自由授权实拍图，**署名（作者/许可证/来源链接）显示在灯箱**。
+  - 图片优先级：Commons 真实照片 → 本地上传 → 系统生成示意图（兜底，永不空）；卡片角标区分来源（Commons/我的/示意图）。
+  - 健壮回退：无网/无匹配/请求失败时静默回退示意图；结果做内存 + sessionStorage 缓存。
+  - 灯箱升级为通用图源（URL/dataURL）并展示署名。
+  - 注：构建/测试沙箱仅放行 npm，无法联网验证 Commons 覆盖率，需在浏览器端验证（如 CR400AF / HXD1型）。
+  - 测试：前端单元 42 + e2e 8，全绿；build 通过。
+- **2025 · 第 10 批（Phase 2 启动 · T-2.1 账户体系，采用 B1）**：
+  - 架构：新增**独立可写库 `app/data/app.db`**（`WritableDbService`，含迁移），与只读 `machines.db` 分离，避免被 ETL 重建清空。
+  - 后端：`AuthModule`（NestJS + @nestjs/jwt + bcryptjs）——注册/登录/`/api/auth/me`；`JwtAuthGuard` + `RolesGuard`（游客<注册<信任<版主<管理员 等级）；密码 bcrypt，邮箱规范化小写，密码不外泄。
+  - 前端：`AuthProvider` 上下文 + 登录/注册模态框 + 顶栏用户菜单 + 个人主页（贡献积分/已收集/加入日期）。
+  - 安全提示：JWT secret 走 `JWT_SECRET` 环境变量，默认值仅供开发，生产须替换。
+  - 测试：后端单元 18 + e2e 14（含注册/重复 409/非法 400/登录 401/me 鉴权）；前端单元 42 + e2e 9（含注册→用户菜单→个人主页）；build 通过。
+- **2025 · 第 11 批（T-2.2 编辑/修订 + T-2.3 审核）**：
+  - 数据：`app.db` 增 `revisions` / `revision_changes` / `model_overrides` 三表；编辑不改只读 `machines.db`，而以"字段覆盖"叠加，详情接口读取时合并（标记 `overridden`）。
+  - 后端：`ContribModule`——`POST /api/models/:id/revisions`（提交编辑，含 old→new diff）、`GET .../revisions`（历史）、`GET /api/revisions/pending`（版主队列）、`approve`/`reject`（版主+）、`GET /api/editable-fields`；字段白名单 + 校验（年代范围/状态枚举/国别枚举）；信任级以上自动通过；通过即应用覆盖并给作者 +5 积分。
+  - 引导管理员：`ADMIN_EMAIL` 环境变量命中即注册为 admin（便于审核演示/测试）。
+  - 前端：详情页"编辑词条"模态（白名单字段表单）、"修订历史"区（状态/作者/diff）、`/review` 审核页（版主+，通过/驳回）、顶栏"审核"入口（按角色显示）。
+  - 测试：后端单元 18 + e2e 21（提交/历史/403/管理员审核生效/自动通过/非法 400）；前端单元 42 + e2e 10（含登录后编辑→待审核修订）；两端 build 通过。
+- **2025 · 第 12 批（T-2.4 荣誉与激励）→ Phase 2 完成**：
+  - 等级头衔（`community/levels.ts` 纯函数）：见习巡道员→巡道员→司炉→副司机→司机→机务段长→总工程师（按积分阈值）；徽章（首改采纳/高产编辑/资深贡献/总工殊荣）。
+  - `/api/auth/me` 增等级/徽章/被采纳数；`CommunityModule`：`GET /api/leaderboard`（贡献榜），`GET/POST/DELETE /api/models/:id/maintainers`（词条认领署名）。
+  - 前端：个人主页等级进度条 + 徽章；`/leaderboard` 贡献榜页（金银铜）；详情页"词条维护者"认领/署名；顶栏"贡献榜"入口。
+  - 测试：后端单元 22 + e2e 25（含 me 等级、贡献榜、认领、未登录 401）；前端单元 42 + e2e 13（含认领署名、等级徽章、贡献榜）；两端 build 通过。
+  - **Phase 2（众包共建）完成**：账户 + Wiki 式编辑/审核/修订历史 + 荣誉体系全部跑通。
+- **2025 · 第 13 批（测试账号一键登录）**：后端开机幂等预置 3 个演示账号（admin@demo.com / mod@demo.com / user@demo.com，密码 demo1234，角色 admin/moderator/user；仅非生产，`SEED_TEST_USERS=false` 可关）；登录框加"测试账号一键填入"。e2e 15。
+- **2025 · 第 14 批（Phase 3 启动 · T-3.1 论坛 + T-3.2 词条讨论）**：
+  - 可写库增 `threads` / `thread_replies` 表（板块 + 可选 model_id 绑定词条）。
+  - 后端 `ForumModule`：`GET /api/boards`、`GET/POST /api/threads`（板块/词条过滤、发帖）、`GET /api/threads/:id`、`POST /api/threads/:id/replies`；DTO 校验，发帖/回复需登录。
+  - 前端：`/community` 论坛（板块标签 + 发帖 + 帖子列表）、`/thread/:id` 帖子页（正文 + 回复 + 回复框）、详情页"讨论区"（绑定该车型的话题 + 发起讨论）；顶栏"社区"入口。
+  - 测试：后端 e2e 29（发帖/回复/板块/词条绑定/401/400）；前端 e2e 16（社区发帖→帖子页回复）；两端 build 通过。
+- **2025 · 第 15 批（T-3.3 打卡 + T-3.4 地图）→ Phase 3 完成**：
+  - 可写库增 `sightings` 表；`SightingsModule`：`POST/GET /api/models/:id/sightings`、`GET /api/sightings/recent`（动态流）、`GET /api/sightings/map`；坐标校验（IsLatitude/IsLongitude），跨库用只读库补 model_code/分类。
+  - 前端：详情页"目击打卡"区（经纬度/用我的位置 geolocation/车站/车号 + 列表）；`/map` 打卡地图（**MapLibre + OpenStreetMap 免费瓦片**，标记 + 弹窗 + 最新打卡侧栏）；顶栏"打卡地图"入口。
+  - 修复：sighting 补全用 `category_id` join 分类（model 表无 category 列）导致的 500。
+  - 取舍：地图先用点位标记（OSM 栅格瓦片，遵守使用政策并署名）；热力图/路局聚合/PostGIS 后续；打卡暂不计贡献积分（保持榜单=数据编辑）。
+  - 测试：后端 e2e 31（打卡/动态/地图/401/非法坐标 400）；前端 e2e 18（详情打卡→列表、地图页加载）；两端 build 通过。
+  - **Phase 3（社区与空间）完成**：论坛 + 词条讨论 + 打卡动态 + 地图。
+- **2025 · 第 16 批（修复 + T-4.1 参数对比）**：
+  - 修复：贡献榜列表 class 名 `.lb` 与灯箱 `.lb`（全屏 fixed 遮罩）冲突，导致无法离开贡献榜页 → 列表改名 `.leaderboard`，加回归测试。
+  - T-4.1 参数对比（Phase 4 起步）：`/compare` 页，搜索加入 2–4 车型，自绘 **SVG 雷达图**（`lib/compare.ts` 归一化纯函数 + `RadarChart`）+ 对比表；URL 同步 ids；详情页"加入对比"按钮；顶栏"对比"入口。
+  - 测试：前端单元 45（新增 compare 归一化）+ e2e 21（含贡献榜可离开回归、参数对比雷达图）；build 通过。
+- **2025 · 第 17 批（完成 Phase 4 主体：T-4.2/4.3/4.4）**：
+  - T-4.2 技术族谱（`/family`）：后端 `GET /api/models/families` 按分类→系列聚合；前端分类标签 + 系列泳道 + 型号节点（非国产标记），点击进详情。
+  - T-4.3 拍车攻略：后端 `GET /api/sightings/spots` 按车站聚合"在哪能拍到什么车"，打卡地图页展示热门打卡点；稀有车提醒（轻量）：`useFollow`（localStorage 关注）+ 详情"关注"按钮 + 个人主页"关注车型最新目击"汇总。
+  - T-4.4 国别维度：探索筛选器已有"国别"，族谱标注非国产；制造国/国别属性/原型字段就位且可众包编辑。
+  - 取舍：真正的父/衍生/原型有向图、跨国连线、保存机车地图（缺坐标）、提醒推送基建 → 待数据/基建后续。
+  - 测试：后端 e2e 33（含 families/spots）；前端单元 45 + e2e 23（含族谱跳详情、关注汇总）；两端 build 通过。
+  - **Phase 4 主体完成**（数据可得部分），余项已明确标注待数据/基建。
+- **2025 · 第 18 批（Phase 5：数据大屏 + 开放 API + AI 识车占位）**：
+  - 数据大屏（`/stats`）：后端 `GET /api/stats`（分类/国别/年代/时速演进聚合）；前端 KPI + 柱状图 + 时速演进曲线。
+  - 开放 API / 导出：`GET /api/export/models.json|csv`（CSV 转义）+ `/api-docs` 接口一览与下载按钮；底部导航入口。
+  - AI 识车（`/identify`）：诚实占位页（上传本地预览 + 明确声明非真实识别 + 示例候选），不伪造识别。
+  - 修复：vite 代理 `/api` 前缀误吞前端路由 `/api-docs` → 改为正则 `^/api/` 仅代理真实接口；加回归测试。
+  - 取舍（如实标注延后）：AR/3D（需 3D 资产）、多语言（需翻译工作量）、真实 AI 模型（需图库训练/算力）。
+  - 测试：后端 e2e 36（含 stats/export）；前端 e2e 28（含大屏/开放API/AI占位 + 两条回归）；两端 build 通过。
+  - **Phase 5 数据可得部分完成**；五个阶段全部推进完毕，未尽项均有明确原因与后续路径。
+- **2025 · 第 19 批（前端专业美化）**：
+  - 导航分组：顶栏收敛为 故事 / 图鉴▾ / 社区▾ / 数据▾ / 审核（`NavMenu` 点击展开下拉，路由/外部点击/Esc 关闭，可访问性 aria）。
+  - 统一组件与设计令牌：扩充 CSS tokens（间距/圆角/阴影刻度 + 焦点环）；新增 `components/ui.tsx`（Button / PageHeader / EmptyState / Tag）+ 统一 `.btn` 体系；统一卡片悬浮过渡、毛玻璃粘性头部。
+  - UX 一致性：下拉/焦点/卡片/页头统一；族谱页改用 PageHeader + EmptyState。
+  - 族谱卡片加列车图片：family 节点改为带封面（Thumb 分类插画）的卡片。
+  - e2e 适配分组导航（图鉴→探索、社区→论坛）；前端单元 45 + e2e 28 全绿；build 通过。
+- **2025 · 第 20 批（统一组件 100% 收敛）**：
+  - 各页改用 `ui` 基础组件：`PageHeader`（贡献榜/社区/对比/大屏/开放API/AI识车/打卡地图/审核/族谱）、`EmptyState`（贡献榜/社区/对比）、`Button`（社区发帖发布、帖子回复、个人退出、审核通过/驳回、详情编辑/关注/加入对比/添加图片/认领/打卡/发起讨论、编辑模态、探索筛选、开放API 导出）。
+  - 保留差异化控件（分段控件视图切换/板块标签、登录模态、定位按钮）以维持模式语义。
+  - 文案/类名保持不变，e2e 全绿（前端单元 45 + e2e 28）；build 通过。
+- **2025 · 第 21 批（图鉴改为管理员独占管理，用户只读）**：
+  - 风险收口：图鉴词条编辑与图片上传仅管理员可用，普通用户只读。
+  - 后端：`POST /api/models/:id/revisions` 加 `@Roles('admin')`（普通用户 403，未登录 401）。
+  - 前端：详情页"编辑词条"、"图册 + 添加图片"入口仅 `role==='admin'` 可见（含 file input 一并隐藏）；图册文案改为"由管理员维护"。
+  - 测试：后端 e2e 36（普通用户编辑 403、管理员编辑自动生效、白名单 400）；前端 e2e 29（管理员编辑生效、普通用户无编辑/上传入口、管理员上传+灯箱）；两端 build 通过。
+  - 说明：当前管理员图片上传仍是浏览器本地（localStorage，非共享）；"管理员云端管理共享图库 + 公共图库 + 上传/打卡即收集 + 云端收集同步 + 集邮成就"为后续批次（已有完整实现方案）。
+- **2025 · 第 22 批（后端图片云存储 + 管理员上传写入共享图库）**：
+  - 可写库新增 `photos` 表；服务端文件存储 `app/data/uploads/`（`UPLOAD_DIR` 可覆盖），`main.ts` 用 express.static 暴露 `/uploads`。
+  - `PhotosModule`：`POST /api/models/:id/photos`（**仅管理员**，multer multipart，类型/大小校验）、`GET /api/models/:id/photos`（公共，所有人可看）、`DELETE /api/photos/:pid`（管理员）。
+  - 车型列表 API 附带 `cover_url`（共享图库首图），**图鉴卡片用真实照片作封面**（管理员上传后所有访客可见）。
+  - 详情"图册"改为共享图库：管理员上传（multipart）→ 所有人查看 + 灯箱；移除原 localStorage 本地图方案。
+  - Vite 增 `^/uploads/` 代理。
+  - 测试：后端 e2e 40（上传 403/201/非图片 400/删除 + 公共列表）；前端 e2e 29（管理员上传→共享→灯箱）；两端 build 通过；真实管线 curl 验证（上传→入库→静态 200→代理 200）。
+- **2025 · 第 23 批（候选/确认机制 + 批量取图脚本）**：
+  - `photos` 加 `status('candidate'|'confirmed')` + `source_url/author/license`（已存在库自动补列）。管理员手动上传=`confirmed`；脚本入库=`candidate`。
+  - **卡片封面只取 `confirmed`**；详情图册显示"候选/图库"角标 + 署名（作者/许可证/来源），管理员可逐张"✓确认/✕删除"，并有"确认全部候选"。
+  - API：`POST /api/photos/:pid/confirm`（管理员）。
+  - **取图脚本** `apps/api/scripts/fetch-images.mjs`（`npm run fetch-images`，在有网本机跑）：按 **Wikidata P18 → Commons 同名分类 → 关键词搜索** 顺序为缺图车型下载候选图入库（candidate），记录署名，输出命中报告；支持 `--limit/--category/--dry`。
+  - 测试：后端 e2e 41（含候选→确认流程）；前端单元 45 + e2e 29；两端 build 通过。
+  - 说明：脚本需联网访问 wikidata/commons，本沙箱不可联网，需在用户本机运行。
+- **2025 · 第 24 批（管理员候选审图页）**：
+  - 后端 `GET /api/photos/candidates`（管理员）：全站候选图聚合 + 车型信息（跨只读库补 model_code/分类）。
+  - 前端 `/admin/photos` 审图页（仅管理员）：候选图网格（缩略图 + 车型链接 + 署名/来源）、逐张确认/删除、"全部确认"；顶栏管理员专属"候选审图"入口（普通用户不可见）。
+  - 测试：前端 e2e 31（含管理员可访问、普通用户无入口）；两端 build 通过。
+- **2025 · 第 25 批（图鉴展示与封面优化 · 4 项）**：
+  - 1) 卡片封面始终展示最佳可用图：`cover_url`（共享图库 confirmed）→ Commons 实拍（懒取）→ 分类示意图；移除"未收集锁/暗色遮罩"，★ 改为个人"收藏"书签（aria 收藏/已收藏）。
+  - 2) 详情头图改用真实图：hero = featured 封面 → confirmed 图库 → Commons[0] → 示意图（`.detail-hero-img` 覆盖填充）。
+  - 3) 管理员可指定展示图：`photos` 加 `featured` 列；`POST /api/photos/:pid/feature`（管理员，清同车型其它 featured 并置 confirmed）；卡片 cover 查询优先 `featured` 再最小 id；详情图册 confirmed 图加"★ 设为封面"（当前封面金色高亮），候选图保留"✓ 确认"。
+  - 4) 图鉴可直接输入型号筛选：探索工具条加 `.kw-input`（防抖 300ms → `query.q`）。
+  - 测试：前端单元 45 + e2e 31（新增"型号关键字筛选""管理员设为封面"）；后端单元 22 + e2e 42（新增"封面优先 featured + 权限受控"）；修复 models.service 单测夹具缺 `photos` 表；两端 build 通过。
+- **2025 · 第 26 批（Commons 下载到本地，运行时不再访问外部图源）**：
+  - 诉求：把原先浏览器端实时检索的 Wikimedia Commons 照片**全部下载到本地共享图库**，应用运行时只读本地 `/uploads`，不再发外部请求。
+  - 前端：移除浏览器端 Commons（删除 `lib/commons.ts` / `lib/useCommonsImages.ts` / `lib/commons.test.ts`）。`GalleryCard` 封面只取本地 `cover_url`（否则分类示意图），不再懒取 Commons；`DetailPage` 图册改为「本地共享图库照片 + 系统示意图」，头图取 featured/confirmed 本地照片；移除"正在从 Commons 检索"提示与 Commons 角标，图注署名仍展示（下载时已存库）。
+  - 取图脚本升级（`apps/api/scripts/fetch-images.mjs`，本机联网跑一次即可）：新增 `--per N`（每车型多张）、`--confirm`（直接入库为 confirmed，封面/图册立即可见，替代原实时 Commons 展示）；多来源去重；保存到本地 `app/data/uploads/` + `photos` 表并记录署名（作者/许可证/来源）。
+  - 说明：构建/测试沙箱仅放行 npm、不可联网，无法在此执行实际下载；需在用户本机运行 `node scripts/fetch-images.mjs --per 3 --confirm` 完成落地。未下载到照片的车型自动回退分类示意图（永不空）。
+  - 测试：前端单元 42（移除 commons 3 项）+ e2e 31，全绿；后端单元 22 + e2e 42 不变；两端 build 通过。
+- **2025 · 第 27 批（修正：下载图片一律进入候选审图）**：
+  - 问题：上一批脚本提供了 `--confirm`，按该建议运行后下载图直接入库为 `confirmed`，**跳过了"候选审图"双闸门**。
+  - 修正：取图脚本移除 `--confirm`，所有下载图**一律入库为 `candidate`**，进入管理员「候选审图」队列，人工确认后才作封面/图册（恢复"候选 + 人工确认"准确性闸门）。
+  - 数据修复：将已下载的 Commons 图片（含 `source_url`）从 confirmed 改回 `candidate`（清 featured）；并清除早期 e2e 测试误写入生产库的 8 张 1×1 占位图（行 + 文件）。
+  - 验证：管理员登录 `GET /api/photos/candidates` 返回 15 张候选（带署名），`/admin/photos` 审图页可见可逐张确认。
+- **2025 · 第 28 批（图鉴分页记忆 + 去收集示例 + 首页紧凑/带图）**：
+  - 1) 图鉴翻页记忆：图鉴页码存入 URL `?gp=N`（`GalleryView` 改为受控分页），从卡片进详情后"← 返回图鉴"用 `navigate(-1)` 回到来路并停在原页；筛选/关键字变化时自动回到第 1 页（`gp` 清除）。
+  - 2) 图鉴页移除"收集示例"按钮（保留收集进度条与单卡收藏）。
+  - 3) 首页更紧凑（英雄区/时代轨/留白收敛）；时代代表车的 mini 卡在有真实封面（`cover_url`）时直接显示照片，且 `pickRepresentatives` 优先挑有图车型"带出来"。
+  - 测试：前端单元 42 + e2e 33（新增"翻页进详情返回仍在该页""不再显示收集示例"），目标子集全绿；build 通过。
+- **2025 · 第 29 批（全站专业图标 + 数据大屏重构 + AI 识车接入通义千问）**：
+  - 图标：扩充 `components/icons.tsx`（编辑/对比/确认/关闭/删除/维护/定位/返回/前进/警告/下拉/论坛/图片/奖杯/站点/缩放/翻页等 react-icons 出口）；替换 DetailPage、NavMenu、Lightbox、Auth/Edit 模态、ComparePage、ProfilePage、各页返回链接、首页 CTA、EmptyState 等处的 emoji/符号为专业图标；EmptyState `icon` 改为 ReactNode。（保留原始数据 diff 的 `→` 与原生 `<option>` 内 ↑↓ 文案，属内容/原生限制）
+  - 数据大屏（`/stats`）重构为真正的大屏：顶栏标题 + 实时时钟 + 渐变描边；5 张带图标/光晕的 KPI 卡（车型/个体/分类/最高时速/年代跨度）；面板网格含 **SVG 环形图**（分类构成 / 国别构成）、**纵向柱状图**（各年代新增）、时速演进曲线（跨列）；响应式。
+  - AI 识车（`/identify`）接入 **通义千问 DashScope**（OpenAI 兼容多模态 `qwen-vl-plus`）：后端 `IdentifyModule`——`POST /api/identify`（登录态，multer 内存上传 → base64 data URL → 调用 Qwen-VL，提示词要求输出 JSON 候选）；解析候选并**匹配图鉴库**给出可点击详情；密钥走 `apps/api/.env` 的 `DASHSCOPE_API_KEY`（`.gitignore` 忽略，附 `.env.example`，main.ts `process.loadEnvFile()` 加载）。前端重写为上传→识别→候选(置信度条/依据)+图鉴相关车型，含未登录提示与加载态。
+  - 真机验证：上传真实电力机车照片，识别为 **DJ1型(95%)** 并命中铭牌"DJ1 0003A"，给出 SS8/HXD1 备选，链接到对应词条。
+  - 测试：前端单元 42 + e2e（AI 页改为"未登录提示+上传区"、数据大屏改为 donut/vbars 断言），子集全绿；前后端 build 通过。
+- **2025 · 第 30 批（AI 识车结果持久化 + 历史 CRUD + 哈希缓存）**：
+  - 可写库新增 `identifications` 表（user_id/filename/image_hash/summary/guesses_json/matches_json/top_code/top_name/note/error/created_at）。
+  - 后端：`POST /api/identify` 改为**识别并落库**——先按图片 **SHA-256 哈希命中缓存**（同图已成功识别则复用结果与图片文件，不再调用 LLM、不重复存图），否则调用通义千问并保存图片；`GET /api/identifications`（本人历史）、`PATCH /api/identifications/:id`（改备注/人工纠正）、`DELETE /api/identifications/:id`（删除，仅当无其它记录共用该图时删文件）；均需登录、按用户隔离。
+  - 前端：`/identify` 识别后结果加入历史；新增"识别历史"列表——缩略图 + 候选/置信度 + 摘要 + 图鉴相关车型链接 + **可编辑备注（保存）** + 删除 + "缓存命中"标记。
+  - 真机验证：首次识别 `cached=false` 落库；同图再传 `cached=true`（秒回、零调用）；列表/改备注/删除均生效；缓存去重的共享图片在删除其一后仍保留。
+  - 测试：前端单元 42 + e2e（AI 页 + 数据大屏）全绿；前后端 build 通过；测试产生的识别记录与图片已清理。
+- **2025 · 第 31 批（识别历史删除确认 + 导航 IA 重构）**：
+  - 识别历史删除前弹确认（`确定删除这条识别记录？删除后不可恢复。`），避免误删。
+  - 导航按用户意图重组：**图鉴**（探索图鉴 / 数据大屏 / 技术族谱 / 参数对比 / AI 识车）、**社区**（论坛 / 打卡地图 / 贡献榜）；移除原先混杂的「数据」组。数据大屏作为「图鉴的宏观概览」置于图鉴组（先看大盘再下钻）；开放 API 属开发者资源，仅保留在页脚，顶部导航更聚焦。
+  - 测试：前端 build 通过；导航相关 e2e（社区发帖、审核/候选审图入口、数据大屏、AI 识车）全绿。
+
+## 使用说明
+- 任务编号 `T-<阶段>.<序号>`，子项含 **开发 / 单元测试(UT) / 端到端测试(E2E)**。
+- `[ ]` 未开始 · `[~]` 进行中 · `[x]` 已完成。
+- `← FR-x.x` 表示对应 PRD 功能需求；`依赖:` 表示前置任务。
+- 测试约定：UT 覆盖率目标 ≥ 80%（核心逻辑模块）；E2E 覆盖关键用户旅程。
+
+---
+
+## 技术栈基线（默认，待 PRD Open Question 锁定）
+- 前端：Next.js + React + TypeScript；可视化 D3/ECharts；地图 MapLibre。
+- 后端：NestJS(Node+TS) 或 FastAPI(Python)；本清单以 **NestJS + TypeScript** 表述。
+- 数据库：PostgreSQL (+PostGIS)；检索 Meilisearch；缓存 Redis；对象存储 S3/OSS。
+- 测试：UT 用 Jest/Vitest；API 集成用 Supertest；E2E 用 Playwright；ETL 用 pytest（如 Python）。
+- CI：GitHub Actions（lint + UT + 集成 + E2E 冒烟）。
+
+---
+
+# Phase 0 · 工程基建（所有阶段前置）
+
+### T-0.1 仓库与脚手架
+- [~] 开发：Monorepo 结构（apps/web、apps/api、packages/shared、etl）。【已建 `app/etl`+`app/tests` 的数据层与测试骨架；JS 前后端 apps 待建】
+- [ ] 开发：TypeScript、ESLint、Prettier、commitlint、husky 预提交钩子。
+- [x] UT：shared 工具函数（单位解析、格式化）单测样例跑通。【clean/field_dict 已覆盖】
+- [ ] E2E：Playwright 安装 + 首条"首页可打开"冒烟用例。
+
+### T-0.2 CI/CD 流水线
+- [ ] 开发：CI 跑 lint + UT + 集成测试 + E2E 冒烟；PR 必须绿。
+- [ ] 开发：测试覆盖率报告产出与阈值门禁。
+- [ ] 开发：预览环境自动部署（每 PR）。
+
+### T-0.3 基础设施
+- [ ] 开发：本地 docker-compose（PostgreSQL+PostGIS、Redis、Meilisearch、MinIO）。
+- [ ] 开发：数据库迁移工具（Prisma/TypeORM migration）接入。
+- [ ] UT：数据库连接/迁移健康检查测试。
+
+---
+
+# Phase 1 · 数据底座 MVP
+
+## 1A 数据建模与 ETL
+
+### T-1.1 字段字典与数据模型 ← FR(数据需求 4.2)
+- [x] 开发：定义统一字段字典（数值+单位分离），落库 schema：Category / Model / Unit。
+- [x] 开发：迁移脚本 + 种子枚举（国别属性、状态、分类）。
+- [x] UT：字段校验规则（首产≤停产、数值范围、单位枚举、型号唯一）。
+- [x] UT：Model↔关系字段（父型号/衍生/原型车）外键完整性。
+
+### T-1.2 ETL 导入管线 ← FR(4.4)
+- [x] 开发：读取 12 张 CSV/Excel，处理合并单元格、空表头修复。
+- [x] 开发：单位拆分（"整备重量 / 轴重 /t" → 独立字段+单位）。
+- [x] 开发：字段映射到统一字典；系列→型号层级归并；改型关系识别。
+- [x] 开发：产出导入报告（成功/失败/待人工复核）。
+- [x] UT：每类清洗规则的单元测试（含脏数据样例：缺值、混排、异常年代）。
+- [x] UT：幂等性测试（重复导入不产生重复记录）。
+- [x] E2E：跑全量 12 表导入，断言记录数与抽样字段正确。
+
+## 1B 后端 API
+
+### T-1.3 车型查询 API ← FR-1.1 / FR-1.2 / FR-1.5
+- [x] 开发：车型列表接口（分页、分类筛选、排序）。
+- [x] 开发：多维筛选（年代区间、时速区间、生产商、国别、状态）。
+- [x] 开发：车型详情接口（参数、关系、图集占位）。
+- [x] UT：筛选/排序/分页边界（空结果、超范围页码、非法参数）。
+- [x] UT：详情序列化（数值+单位、缺失字段留空）。
+- [x] E2E(API)：列表→详情链路，断言筛选组合结果正确。
+
+### T-1.4 搜索服务 ← FR-1.3
+- [~] 开发：Meilisearch 索引（型号/别名/生产商），增量同步。【延后：当前用 SQLite LIKE+排序实现】
+- [x] 开发：搜索接口（模糊匹配，拼音为增强项）。
+- [x] UT：索引构建与查询排序、空查询、特殊字符处理。
+- [x] E2E(API)：关键词搜索命中预期车型。
+
+## 1C 前端
+
+### T-1.5 车型列表与详情页 ← FR-1.1/1.4/1.5
+- [x] 开发：列表页（筛选器、分页、排序、卡片/表格切换）。
+- [x] 开发：详情页（参数表、历史沿革、图集占位、相关入口）。
+- [~] 开发：响应式 + SEO（SSR/metadata）。【已响应式；SSR/SEO 待 Next.js 化或预渲染，后续】
+- [x] UT：筛选器组件、单位展示组件、详情渲染（含缺失字段）。
+- [x] E2E：用户筛选→进入详情→参数正确展示的完整旅程。
+
+### T-1.6 时间轴视图 ← FR-2.1
+- [x] 开发：年代横轴 + 分类泳道；节点点击展开详情卡。
+- [~] 开发：缩放/平移、按分类显隐。【已实现轴+刻度+悬停标签+碰撞分行；缩放/平移待增强】
+- [x] UT：时间轴数据转换（年代缺失/区间重叠/排序/碰撞分行）。
+- [x] E2E：打开时间轴→点击节点→跳转详情。
+
+### T-1.7 图鉴卡牌视图 ← FR-2.2
+- [x] 开发：卡片墙 + 分类筛选 + "已收集/未收集"占位（收集逻辑 P3 接入）。
+- [x] UT：卡片列表渲染、筛选、占位状态。
+- [x] E2E：切换分类→卡片刷新→点击进入详情。
+
+### T-1.8 MVP 验收
+- [x] E2E 套件：首页→搜索→筛选→详情→时间轴→图鉴 全链路冒烟。【Playwright 5 项全通过】
+- [x] 性能：列表/详情 P95 < 1.5s，搜索 < 500ms 基准测试。【实测 p95≤3ms / 1.3ms，远优于阈值】
+
+---
+
+# Phase 2 · 众包共建
+
+### T-2.1 账户与权限 ← FR-3.1/3.2/3.3
+- [x] 开发：注册/登录（邮箱+第三方）、会话/JWT。【邮箱+密码 JWT；第三方登录后续】
+- [x] 开发：RBAC（游客/注册/信任/版主/管理员）。
+- [x] 开发：个人主页（贡献统计、徽章、收集进度占位）。
+- [x] UT：权限矩阵（各角色可执行操作）、令牌过期/刷新。【AuthService 单测 + 角色等级 RolesGuard】
+- [x] E2E：注册→登录→访问受限页→登出。
+
+### T-2.2 编辑与修订版本 ← FR-4.1/4.2/4.5
+- [x] 开发：字段编辑建议提交；Revision 版本记录。
+- [x] 开发：diff 对比与回滚。【修订含 old→new diff；覆盖按修订追溯，可回滚到基础数据】
+- [x] 开发：字段校验（数值范围、单位、年代逻辑）复用 T-1.1 规则。
+- [x] UT：版本生成、diff 计算、回滚正确性、校验拦截非法值。【经 e2e 覆盖】
+- [x] E2E：编辑字段→生成版本→对比→（管理员）审核生效。
+
+### T-2.3 审核流程 ← FR-4.3/4.4/4.6
+- [x] 开发：审核队列；新手入队、信任用户直接生效。
+- [x] 开发：字段来源引用（修改说明 note）；争议字段讨论后续。
+- [x] UT：审核状态机（待审/通过/驳回）、信任分级路由。【经 e2e 覆盖】
+- [x] E2E：新手提交→版主审核通过→数据生效。
+
+### T-2.4 荣誉与激励 ← FR-5.1~5.5
+- [x] 开发：贡献积分引擎；等级头衔；徽章成就；贡献榜；词条认领署名。
+- [x] UT：积分计算、等级阈值、徽章触发条件、防刷分规则。【levels 单测 + e2e 积分/榜单/认领】
+- [x] E2E：完成被采纳编辑→积分增加→徽章/榜单更新。
+
+---
+
+# Phase 3 · 社区与空间
+
+### T-3.1 论坛 ← FR-6.1/6.2
+- [x] 开发：板块（综合/拍车打卡/历史考证）；发帖、回复；持久化永久可查。
+- [~] 开发：@、点赞、收藏。【发帖/回复/板块已做；@/赞/收藏后续】
+- [x] UT：发帖/回复/分页、权限、保留历史。【经 e2e 覆盖】
+- [x] E2E：发帖→回复→历史可检索。
+
+### T-3.2 词条讨论与动态流 ← FR-6.3/6.4/6.5
+- [x] 开发：详情页内嵌讨论（绑定 model_id 的讨论区）。
+- [x] 开发：打卡动态 Feed（打卡地图页"最新打卡"）。【精华化引用后续】
+- [x] UT：讨论与车型绑定。【经 e2e 覆盖（modelId 过滤）】
+- [x] E2E：词条下发起讨论 → 帖子页回复。
+
+### T-3.3 打卡与收集 ← FR-7.1/7.2
+- [x] 开发：目击打卡（车号/时间/地点/经纬度）；图鉴收集进度联动（localStorage，Phase 3 已起）。
+- [x] UT：打卡校验（坐标范围）、收集进度计算。【经 e2e（非法坐标 400）+ 前端单测】
+- [x] E2E：详情页打卡 → 出现在打卡列表。
+
+### T-3.4 地图视图 ← FR-2.5
+- [x] 开发：打卡地图（MapLibre + OpenStreetMap 瓦片）+ 标记 + 最新打卡侧栏。
+- [~] 开发：配属地图 + 目击热力图（PostGIS 聚合）。【已做目击点位地图；热力/路局聚合后续】
+- [x] UT：地理点位渲染。【经 e2e（map 容器加载）】
+- [x] E2E：打开地图→展示标记/侧栏。
+
+---
+
+# Phase 4 · 进阶玩法 + 圈层扩展
+
+### T-4.1 参数对比 ← FR-2.3
+- [x] 开发：勾选 2–4 车型→雷达图 + 对比表。
+- [x] UT：对比数据归一化、单位对齐、缺失项处理。
+- [x] E2E：选择多车型→对比图渲染正确。
+
+### T-4.2 技术族谱图 ← FR-2.4
+- [x] 开发：按系列聚合的谱系视图（分类→系列→型号，可进详情）。
+- [~] 开发：父/衍生/原型有向图 + 跨国连线。【现用 series 谱系；真正关系待 model_relation 数据/众包】
+- [x] UT：族谱数据构建（系列聚合）。【经 e2e 覆盖】
+- [x] E2E：打开族谱→节点跳详情。
+
+### T-4.3 拍车攻略 / 保存机车地图 / 稀有车提醒 ← FR-7.3/7.4/7.5
+- [x] 开发：拍车攻略（按打卡车站聚合"在哪能拍到什么车"）。
+- [~] 开发：保存机车地图。【已有 unit.location 文本；缺坐标，地图化待数据】
+- [x] 开发：稀有车提醒（轻量版：关注 + 个人主页汇总关注车型最新目击）。【推送待通知基建】
+- [x] UT：聚合排序、关注汇总。【经 e2e 覆盖】
+- [x] E2E：关注车型→个人主页"最新目击"出现；拍车攻略聚合。
+
+### T-4.4 圈层二数据扩展 ← PRD 3.1
+- [~] 开发：在华外国车型 + 国外原型导入。【国别属性/制造国/原型字段就位且可众包编辑；真实国外数据待录入】
+- [x] 开发：按国别筛选（探索筛选器）+ 族谱标注非国产。
+- [~] 开发：世界地图 / 跨国族谱连线。【待圈层二数据】
+- [x] UT：国别字段映射。【经既有覆盖】
+
+---
+
+# Phase 5 · 智能化与开放
+
+### T-5.1 AI 识车 ← FR-8.1
+- [x] 开发：照片→车型识别。【接入通义千问 DashScope `qwen-vl-plus` 多模态：`POST /api/identify` 上传识别 + 匹配图鉴库给出候选与链接；密钥走 `DASHSCOPE_API_KEY`】
+- [~] UT：推理服务接口、置信度阈值、未知类回退。【已含 JSON 解析容错/未配置回退/错误处理；自动化单测待补】
+- [x] E2E：上传照片→返回候选。【真机验证：DJ1 型 95% 命中铭牌；前端未登录提示 + 上传区 e2e】
+
+### T-5.2 数据大屏 / 开放 API / AR-3D / 多语言 ← FR-8.2~8.5
+- [x] 开发：可视化大屏（`/stats`：分类/国别/年代柱状 + 时速演进曲线，后端 `/api/stats`）。
+- [x] 开发：开放 API + 数据导出（`/api/export/models.json|csv` + `/api-docs` 文档页）。
+- [ ] 开发：AR/3D 展示。【需 3D 资产/模型，延后】
+- [ ] 开发：多语言。【需较大翻译工作量，延后；架构可后续接 i18n】
+- [x] UT：聚合统计、导出格式。【后端 e2e：stats / export json / export csv】
+- [x] E2E：大屏渲染、API 文档与导出链接、AI 占位页。
+
+---
+
+# 横切任务（贯穿各阶段）
+
+### T-X.1 非功能与质量 ← PRD 6
+- [ ] 开发：性能预算监控、日志/审计（编辑、审核、积分流水）。
+- [ ] 开发：安全（防刷分、UGC 审核、敏感地点脱敏）、合规（图片版权声明）。
+- [ ] UT：限流、脱敏、版权字段校验。
+- [ ] E2E：安全旅程（越权访问被拒、敏感坐标脱敏展示）。
+
+### T-X.2 可观测与运维
+- [ ] 开发：错误监控（Sentry）、指标看板（KPI：编辑量/审核通过率/留存）。
+- [ ] 开发：数据备份与回滚演练。
+
+---
+
+## 里程碑对照
+| 里程碑 | 覆盖任务 | 出口标准 |
+|--------|----------|----------|
+| M1 (MVP) | T-0.* / T-1.* | 12 表入库 + 列表/详情/搜索/时间轴/图鉴 + 性能达标 |
+| M2 | T-2.* | 账户 + 编辑/审核/修订 + 荣誉体系上线 |
+| M3 | T-3.* | 论坛/讨论/动态/打卡 + 地图 |
+| M4 | T-4.* | 对比 + 族谱 + 进阶玩法 + 圈层二数据 |
+| M5 | T-5.* | AI 识车 + 大屏 + 开放 API + AR/3D + 多语言 |
+
+## 关键依赖链
+```
+T-0.* ──▶ T-1.1 ──▶ T-1.2 ──▶ T-1.3/1.4 ──▶ T-1.5/1.6/1.7 ──▶ T-1.8(MVP)
+                 └─▶ T-2.1 ──▶ T-2.2 ──▶ T-2.3 ──▶ T-2.4
+T-2.1 ──▶ T-3.1/3.2/3.3 ;  T-1.x(PostGIS) ──▶ T-3.4
+T-1.1(关系字段) ──▶ T-4.2(族谱) ;  T-3.3 ──▶ T-4.3
+T-1.1(国别/原型) ──▶ T-4.4(圈层二)
+```
diff --git a/app/README.md b/app/README.md
new file mode 100644
index 0000000..f7d4497
--- /dev/null
+++ b/app/README.md
@@ -0,0 +1,39 @@
+# 中国机车图鉴 · 应用工程
+
+对应 `2-task.md` 的实现代码。当前已完成 **Phase 0（部分）+ Phase 1A（数据底座 ETL）**。
+
+## 目录结构
+```
+app/
+  etl/
+    field_dict.py   # 统一字段字典、同义表头映射、枚举、分类配置 (T-1.1)
+    clean.py        # 清洗规则：单元格清理、数值+单位拆分、年代/状态/国别 (T-1.2)
+    schema.sql      # 三层模型 schema：Category/Model/Unit + 关系表 (T-1.1)
+    importer.py     # ETL 主流程：12 CSV -> SQLite + JSON + 报告 (T-1.2)
+  tests/            # 单元/集成测试 (Jest 等价物，使用 Python unittest)
+  data/             # 产物：machines.db / machines.json / import_report.md
+```
+
+## 运行 ETL 导入
+```bash
+# 在 Train/ 目录下
+python3 -m app.etl.importer
+```
+输入：`Train/csv/*.csv`（由总表 xlsx 转出的 12 张分类表）
+输出：`app/data/machines.db`、`machines.json`、`import_report.md`
+
+当前导入结果：**Model 540 / Unit 307**，跳过 10（均为空行），0 待复核。
+
+## 运行测试
+```bash
+python3 -m unittest discover -s app/tests -p "test_*.py" -v
+```
+覆盖：字段映射、单位拆分、年代/状态解析、向前填充、表头识别、全量导入幂等性。
+
+## 设计说明与已知取舍
+- **存储**：开发期使用 SQLite（零依赖、可运行验证）。schema 按可移植到 PostgreSQL 设计，
+  Phase 1B 接入 API 时可平滑迁移（数值+单位字段、外键、索引均兼容）。
+- **保真**：每条记录保留 `raw_json`，原始清洗后所有列不丢失，便于后续众包修订与字段补全。
+- **复合数值**（如电力机车 "2×92(100)"）：取首个数值入 `*_value`，完整原文存 `raw_json`，
+  待 Phase 2 众包修订细化。
+- **国别属性**：当前用启发式默认"国产"，字段已就位，等待圈层二（国外车型）数据与人工标注。
diff --git a/app/__init__.py b/app/__init__.py
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diff --git a/app/data/app.db b/app/data/app.db
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diff --git a/app/data/app.db-shm b/app/data/app.db-shm
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diff --git a/app/data/app.db-wal b/app/data/app.db-wal
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diff --git a/app/data/import_report.md b/app/data/import_report.md
new file mode 100644
index 0000000..1e9778b
--- /dev/null
+++ b/app/data/import_report.md
@@ -0,0 +1,23 @@
+# ETL 导入报告
+
+- 车型(Model)：**540**
+- 个体(Unit)：**307**
+- 跳过(无主键)：**10**
+- 待人工复核：**0**
+
+## 分表明细
+
+| 分类表 | 分类 | 粒度 | 数据行 | 入库 | 跳过 | 备注 |
+|---|---|---|---|---|---|---|
+| 中国蒸汽汽车统计表（建国前） | 蒸汽机车 | model | 0 | 0 | 0 | 空表（无数据） |
+| 中国蒸汽机车型号表（建国后） | 蒸汽机车 | model | 16 | 16 | 0 |  |
+| 北京表（蒸汽机车） | 蒸汽机车 | unit | 67 | 59 | 8 |  |
+| 全国普速客车型号统计表 | 客车 | model | 188 | 188 | 0 |  |
+| 全国电力机车型号表 | 电力机车 | model | 63 | 63 | 0 |  |
+| 全国内燃机车型号表 | 内燃机车 | model | 100 | 100 | 0 |  |
+| CJ型动车组、早期动车组及和谐号统计表 | 动车组 | model | 59 | 59 | 0 |  |
+| 全国复兴号统计表 | 动车组 | model | 41 | 41 | 0 |  |
+| 中国铁路货车统计表 | 货车 | model | 35 | 35 | 0 |  |
+| 中国铁路普速检测车统计表 | 检测车 | unit | 229 | 229 | 0 |  |
+| 中国高速综合检测列车统计表 | 检测车 | unit | 21 | 19 | 2 |  |
+| 中国旅游列车统计表 | 旅游列车 | model | 38 | 38 | 0 |  |
diff --git a/app/data/machines.db b/app/data/machines.db
new file mode 100644
index 0000000..0187cec
Binary files /dev/null and b/app/data/machines.db differ
diff --git a/app/data/machines.json b/app/data/machines.json
new file mode 100644
index 0000000..f4ab588
--- /dev/null
+++ b/app/data/machines.json
@@ -0,0 +1,27274 @@
+{
+  "categories": [
+    {
+      "id": 1,
+      "name": "蒸汽机车",
+      "subcat": "建国后"
+    },
+    {
+      "id": 2,
+      "name": "蒸汽机车",
+      "subcat": "北京现存"
+    },
+    {
+      "id": 3,
+      "name": "客车",
+      "subcat": "普速客车"
+    },
+    {
+      "id": 4,
+      "name": "电力机车",
+      "subcat": ""
+    },
+    {
+      "id": 5,
+      "name": "内燃机车",
+      "subcat": ""
+    },
+    {
+      "id": 6,
+      "name": "动车组",
+      "subcat": "CJ/早期/和谐号"
+    },
+    {
+      "id": 7,
+      "name": "动车组",
+      "subcat": "复兴号"
+    },
+    {
+      "id": 8,
+      "name": "货车",
+      "subcat": ""
+    },
+    {
+      "id": 9,
+      "name": "检测车",
+      "subcat": "普速检测"
+    },
+    {
+      "id": 10,
+      "name": "检测车",
+      "subcat": "高速综合检测"
+    },
+    {
+      "id": 11,
+      "name": "旅游列车",
+      "subcat": ""
+    }
+  ],
+  "models": [
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "中国铁路干线客运蒸汽机车",
+      "full_name": "",
+      "manufacturer": "",
+      "first_year": null,
+      "last_year": null,
+      "status": "未知",
+      "usage": "",
+      "production_count": "",
+      "axle_arrangement": "",
+      "drive": "",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": null,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": null,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"表1\", \"length\": \"\", \"power_kw\": \"\", \"max_speed\": \"\", \"model_code\": \"中国铁路干线客运蒸汽机车\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "胜利型（SL）",
+      "full_name": "",
+      "manufacturer": "四方",
+      "first_year": 1956,
+      "last_year": 1959,
+      "status": "未知",
+      "usage": "",
+      "production_count": "151.0",
+      "axle_arrangement": "2-3-1式",
+      "drive": "",
+      "efficiency": "7.5%-8.1%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": 22618.0,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": 165.65,
+      "power_kw_unit": "kW",
+      "max_speed_value": 110.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"1.0\", \"length\": \"22618.0\", \"power_kw\": \"165.65\", \"max_speed\": \"110.0\", \"model_code\": \"胜利型（SL）\", \"manufacturer\": \"四方\", \"production_count\": \"151.0\", \"first_year\": \"1956年\", \"last_year\": \"1959年\", \"lifespan\": \"约25年\", \"axle_arrangement\": \"2-3-1式\", \"efficiency\": \"7.5%-8.1%\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "人民型（RM）",
+      "full_name": "",
+      "manufacturer": "四方",
+      "first_year": 1958,
+      "last_year": 1966,
+      "status": "未知",
+      "usage": "",
+      "production_count": "258.0",
+      "axle_arrangement": "2-3-1式",
+      "drive": "",
+      "efficiency": "8.0%-8.5%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": 23252.0,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": 177.0,
+      "power_kw_unit": "kW",
+      "max_speed_value": 110.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"2.0\", \"length\": \"23252.0\", \"power_kw\": \"177.0\", \"max_speed\": \"110.0\", \"model_code\": \"人民型（RM）\", \"manufacturer\": \"四方\", \"production_count\": \"258.0\", \"first_year\": \"1958年\", \"last_year\": \"1966年\", \"lifespan\": \"约30年\", \"axle_arrangement\": \"2-3-1式\", \"efficiency\": \"8.0%-8.5%\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "中国铁路干线货运蒸汽机车",
+      "full_name": "",
+      "manufacturer": "",
+      "first_year": null,
+      "last_year": null,
+      "status": "未知",
+      "usage": "",
+      "production_count": "",
+      "axle_arrangement": "",
+      "drive": "",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": null,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": null,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"表2\", \"length\": \"\", \"power_kw\": \"\", \"max_speed\": \"\", \"model_code\": \"中国铁路干线货运蒸汽机车\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "解放型（JF）",
+      "full_name": "",
+      "manufacturer": "四方、连厂",
+      "first_year": 1952,
+      "last_year": 1960,
+      "status": "未知",
+      "usage": "",
+      "production_count": "455.0",
+      "axle_arrangement": "1-4-1式",
+      "drive": "",
+      "efficiency": "6.5%-7.2%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": 21906.0,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": 236.0,
+      "power_kw_unit": "kW",
+      "max_speed_value": 80.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"1.0\", \"length\": \"21906.0\", \"power_kw\": \"236.0\", \"max_speed\": \"80.0\", \"model_code\": \"解放型（JF）\", \"manufacturer\": \"四方、连厂\", \"production_count\": \"455.0\", \"first_year\": \"1952年\", \"last_year\": \"1960年\", \"lifespan\": \"约28年\", \"axle_arrangement\": \"1-4-1式\", \"efficiency\": \"6.5%-7.2%\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "建设型（JS）",
+      "full_name": "",
+      "manufacturer": "四方、戚墅堰",
+      "first_year": 1957,
+      "last_year": 1988,
+      "status": "未知",
+      "usage": "",
+      "production_count": "1916.0",
+      "axle_arrangement": "1-4-1式",
+      "drive": "",
+      "efficiency": "7.0%-8.1%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
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+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
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+      "power_kw_unit": "kW",
+      "max_speed_value": 85.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"2.0\", \"length\": \"23389.0\", \"power_kw\": \"250.0\", \"max_speed\": \"85.0\", \"model_code\": \"建设型（JS）\", \"manufacturer\": \"四方、戚墅堰\", \"production_count\": \"1916.0\", \"first_year\": \"1957年\", \"last_year\": \"1988年\", \"lifespan\": \"约35年\", \"axle_arrangement\": \"1-4-1式\", \"efficiency\": \"7.0%-8.1%\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "前进型（QJ）",
+      "full_name": "",
+      "manufacturer": "大同厂",
+      "first_year": 1956,
+      "last_year": 1988,
+      "status": "未知",
+      "usage": "",
+      "production_count": "4708.0",
+      "axle_arrangement": "1-5-1式",
+      "drive": "",
+      "efficiency": "8.42%（改进后）",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": 26063.0,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": 324.0,
+      "power_kw_unit": "kW",
+      "max_speed_value": 80.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "中国铁路工矿调车蒸汽机车",
+      "full_name": "",
+      "manufacturer": "",
+      "first_year": null,
+      "last_year": null,
+      "status": "未知",
+      "usage": "",
+      "production_count": "",
+      "axle_arrangement": "",
+      "drive": "",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
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+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": null,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"表3\", \"length\": \"\", \"power_kw\": \"\", \"max_speed\": \"\", \"model_code\": \"中国铁路工矿调车蒸汽机车\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "上游型（SY）",
+      "full_name": "",
+      "manufacturer": "唐山厂",
+      "first_year": 1960,
+      "last_year": 1999,
+      "status": "未知",
+      "usage": "",
+      "production_count": "1769.0",
+      "axle_arrangement": "1-4-1式",
+      "drive": "",
+      "efficiency": "7.8%-8.5%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": 21643.0,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": 240.0,
+      "power_kw_unit": "kW",
+      "max_speed_value": 80.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"1.0\", \"length\": \"21643.0\", \"power_kw\": \"240.0\", \"max_speed\": \"80.0\", \"model_code\": \"上游型（SY）\", \"manufacturer\": \"唐山厂\", \"production_count\": \"1769.0\", \"first_year\": \"1960年\", \"last_year\": \"1999年\", \"lifespan\": \"约45\", \"axle_arrangement\": \"1-4-1式\", \"efficiency\": \"7.8%-8.5%\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "跃进型（YJ）",
+      "full_name": "",
+      "manufacturer": "济南、唐厂",
+      "first_year": 1958,
+      "last_year": 1961,
+      "status": "未知",
+      "usage": "",
+      "production_count": "202.0",
+      "axle_arrangement": "1-3-1式",
+      "drive": "",
+      "efficiency": "6.0%-7.0%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": 18326.0,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": 137.0,
+      "power_kw_unit": "kW",
+      "max_speed_value": 60.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"2.0\", \"length\": \"18326.0\", \"power_kw\": \"137.0\", \"max_speed\": \"60.0\", \"model_code\": \"跃进型（YJ）\", \"manufacturer\": \"济南、唐厂\", \"production_count\": \"202.0\", \"first_year\": \"1958年\", \"last_year\": \"1961年\", \"lifespan\": \"约20\", \"axle_arrangement\": \"1-3-1式\", \"efficiency\": \"6.0%-7.0%\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "工建型（GJ）",
+      "full_name": "",
+      "manufacturer": "太原、成都厂",
+      "first_year": 1958,
+      "last_year": 1961,
+      "status": "未知",
+      "usage": "",
+      "production_count": "122.0",
+      "axle_arrangement": "0-3-0式",
+      "drive": "",
+      "efficiency": "5.5%-6.5%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": 9735.0,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": 144.0,
+      "power_kw_unit": "kW",
+      "max_speed_value": 35.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"3.0\", \"length\": \"9735.0\", \"power_kw\": \"144.0\", \"max_speed\": \"35.0\", \"model_code\": \"工建型（GJ）\", \"manufacturer\": \"太原、成都厂\", \"production_count\": \"122.0\", \"first_year\": \"1958年\", \"last_year\": \"1961年\", \"lifespan\": \"约38\", \"axle_arrangement\": \"0-3-0式\", \"efficiency\": \"5.5%-6.5%\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "蓉建型（--）",
+      "full_name": "",
+      "manufacturer": "成都厂",
+      "first_year": 1958,
+      "last_year": 1961,
+      "status": "未知",
+      "usage": "",
+      "production_count": "70.0",
+      "axle_arrangement": "0-4-0式",
+      "drive": "",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": null,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": null,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"4.0\", \"length\": \"\", \"power_kw\": \"\", \"max_speed\": \"由于生产时间短年代许多数据不准确，工矿用\", \"model_code\": \"蓉建型（--）\", \"manufacturer\": \"成都厂\", \"production_count\": \"70.0\", \"first_year\": \"1958年\", \"last_year\": \"1961年\", \"lifespan\": \"无权威数据\", \"axle_arrangement\": \"0-4-0式\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "其他特殊用途蒸汽机车",
+      "full_name": "",
+      "manufacturer": "",
+      "first_year": null,
+      "last_year": null,
+      "status": "未知",
+      "usage": "",
+      "production_count": "",
+      "axle_arrangement": "",
+      "drive": "",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": null,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": null,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"表4\", \"length\": \"\", \"power_kw\": \"\", \"max_speed\": \"\", \"model_code\": \"其他特殊用途蒸汽机车\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "星火型（XH）",
+      "full_name": "",
+      "manufacturer": "大同厂",
+      "first_year": 1960,
+      "last_year": 1961,
+      "status": "未知",
+      "usage": "",
+      "production_count": "48.0",
+      "axle_arrangement": "0-4-0式",
+      "drive": "",
+      "efficiency": "不详",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": 13480.0,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": 75.0,
+      "power_kw_unit": "kW",
+      "max_speed_value": 25.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"1.0\", \"length\": \"13480.0\", \"power_kw\": \"75.0\", \"max_speed\": \"25.0\", \"model_code\": \"星火型（XH）\", \"manufacturer\": \"大同厂\", \"production_count\": \"48.0\", \"first_year\": \"1960年\", \"last_year\": \"1961年\", \"lifespan\": \"不详\", \"axle_arrangement\": \"0-4-0式\", \"efficiency\": \"不详\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "友好/反帝/反修型",
+      "full_name": "",
+      "manufacturer": "苏联",
+      "first_year": null,
+      "last_year": null,
+      "status": "未知",
+      "usage": "",
+      "production_count": "本机车是苏联的援助机车",
+      "axle_arrangement": "",
+      "drive": "",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "进口",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": null,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": null,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"2.0\", \"length\": \"\", \"power_kw\": \"\", \"max_speed\": \"\", \"model_code\": \"友好/反帝/反修型\", \"manufacturer\": \"苏联\", \"production_count\": \"本机车是苏联的援助机车\"}"
+    },
+    {
+      "category_id": 1,
+      "series": "",
+      "model_code": "红旗型",
+      "full_name": "",
+      "manufacturer": "典型的大跃进时期的产物，只生产了三台，具体无权威认证资料",
+      "first_year": null,
+      "last_year": null,
+      "status": "未知",
+      "usage": "",
+      "production_count": "",
+      "axle_arrangement": "",
+      "drive": "",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国蒸汽机车型号表（建国后）",
+      "length_value": null,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": null,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"小表编号\": \"3.0\", \"length\": \"\", \"power_kw\": \"\", \"max_speed\": \"\", \"model_code\": \"红旗型\", \"manufacturer\": \"典型的大跃进时期的产物，只生产了三台，具体无权威认证资料\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "建国初期老式客车系列",
+      "model_code": "YZ1",
+      "full_name": "硬座车",
+      "manufacturer": "",
+      "first_year": 1950,
+      "last_year": 1953,
+      "status": "未知",
+      "usage": "建国初期干线普速客运",
+      "production_count": "累计超 1000 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 21970.0,
+      "length_unit": "mm",
+      "width_value": 3000.0,
+      "width_unit": "mm",
+      "height_value": 4175.0,
+      "height_unit": "mm",
+      "wheelbase_value": 13500.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 40.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 75.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 88.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"21970.0\", \"width\": \"3000.0\", \"height\": \"4175.0\", \"wheelbase\": \"13500.0\", \"weight\": \"40.0\", \"max_speed\": \"75.0\", \"capacity\": \"88.0\", \"series\": \"建国初期老式客车系列\", \"model_code\": \"YZ1\", \"full_name\": \"硬座车\", \"first_year\": \"1950 年\", \"last_year\": \"1953 年\", \"bogie\": \"101 型\", \"drive\": \"空气制动\", \"usage\": \"建国初期干线普速客运\", \"production_count\": \"累计超 1000 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "建国初期老式客车系列",
+      "model_code": "YZ2",
+      "full_name": "硬座车",
+      "manufacturer": "",
+      "first_year": 1953,
+      "last_year": 1956,
+      "status": "未知",
+      "usage": "干线普速客运",
+      "production_count": "累计超 800 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
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+      "last_year": 1994,
+      "status": "未知",
+      "usage": "干线普速客运",
+      "production_count": "累计超 8000 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
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+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
+    {
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+      "series": "22 型客车系列",
+      "model_code": "RW22",
+      "full_name": "软卧车",
+      "manufacturer": "",
+      "first_year": 1959,
+      "last_year": 1994,
+      "status": "未知",
+      "usage": "干线普速客运",
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+      "axle_arrangement": "",
+      "drive": "空气制动",
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+      "country_type": "国产",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "tractive_cont_unit": "kN",
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+      "max_speed_unit": "km/h",
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+    },
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+      "category_id": 3,
+      "series": "22 型客车系列",
+      "model_code": "RZ22",
+      "full_name": "软座车",
+      "manufacturer": "",
+      "first_year": 1960,
+      "last_year": 1992,
+      "status": "未知",
+      "usage": "干线高端客运",
+      "production_count": "累计超 500 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
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+      "country_type": "国产",
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+      "width_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "tractive_cont_unit": "kN",
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+      "power_kw_unit": "kW",
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+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    {
+      "category_id": 3,
+      "series": "22 型客车系列",
+      "model_code": "XL22",
+      "full_name": "行李车",
+      "manufacturer": "",
+      "first_year": 1959,
+      "last_year": 1994,
+      "status": "未知",
+      "usage": "行李运输",
+      "production_count": "累计超 3000 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
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+      "country_type": "国产",
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+      "width_unit": "mm",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
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+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
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+      "category_id": 3,
+      "series": "22 型客车系列",
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+      "full_name": "餐车",
+      "manufacturer": "",
+      "first_year": 1959,
+      "last_year": 1994,
+      "status": "未知",
+      "usage": "列车餐饮服务",
+      "production_count": "累计超 1000 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
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+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
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+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "tractive_cont_unit": "kN",
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+      "power_kw_unit": "kW",
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+      "max_speed_unit": "km/h",
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+      "category_id": 3,
+      "series": "22 型客车系列",
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+      "full_name": "邮政车",
+      "manufacturer": "",
+      "first_year": 1960,
+      "last_year": 1993,
+      "status": "未知",
+      "usage": "铁路邮政运输",
+      "production_count": "累计超 800 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
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+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
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+      "width_unit": "mm",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+      "axle_load_unit": "t",
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+      "tractive_cont_unit": "kN",
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+      "power_kw_unit": "kW",
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+      "max_speed_unit": "km/h",
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+      "last_year": 1994,
+      "status": "未知",
+      "usage": "列车集中供电",
+      "production_count": "累计超 200 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
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+      "full_name": "硬座车",
+      "manufacturer": "",
+      "first_year": 1988,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "支线 / 通勤普速客运",
+      "production_count": "累计超 3000 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
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+      "width_unit": "mm",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+      "last_year": 1994,
+      "status": "未知",
+      "usage": "寒冷地区干线客运",
+      "production_count": "累计超 500 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
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+      "country_type": "国产",
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+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "22 型客车系列",
+      "model_code": "RW22B",
+      "full_name": "高级软卧车",
+      "manufacturer": "",
+      "first_year": 1990,
+      "last_year": 1994,
+      "status": "未知",
+      "usage": "高端干线客运",
+      "production_count": "累计超 100 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 48.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 24.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "22 型客车系列",
+      "model_code": "YZ22 通勤型",
+      "full_name": "通勤硬座车",
+      "manufacturer": "",
+      "first_year": 1980,
+      "last_year": 1990,
+      "status": "未知",
+      "usage": "城市市郊通勤客运",
+      "production_count": "累计超 500 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 40.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 180.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "22A 型改进客车系列",
+      "model_code": "YZ22A",
+      "full_name": "改进型硬座车",
+      "manufacturer": "",
+      "first_year": 1985,
+      "last_year": 1988,
+      "status": "未知",
+      "usage": "干线普速客运，22 型升级改型",
+      "production_count": "累计超 800 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 42.5,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 118.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"23600.0\", \"width\": \"3100.0\", \"height\": \"4280.0\", \"wheelbase\": \"15000.0\", \"weight\": \"42.5\", \"max_speed\": \"120.0\", \"capacity\": \"118.0\", \"series\": \"22A 型改进客车系列\", \"model_code\": \"YZ22A\", \"full_name\": \"改进型硬座车\", \"first_year\": \"1985 年\", \"last_year\": \"1988 年\", \"bogie\": \"209 型\", \"drive\": \"空气制动\", \"usage\": \"干线普速客运，22 型升级改型\", \"production_count\": \"累计超 800 辆，已基本退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "22A 型改进客车系列",
+      "model_code": "RW22A",
+      "full_name": "改进型软卧车",
+      "manufacturer": "",
+      "first_year": 1985,
+      "last_year": 1988,
+      "status": "未知",
+      "usage": "干线高端客运，22 型升级改型",
+      "production_count": "累计超 150 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 23600.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 47.5,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 32.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "23 型客车系列",
+      "model_code": "YZ23",
+      "full_name": "硬座车",
+      "manufacturer": "",
+      "first_year": 1961,
+      "last_year": 1968,
+      "status": "未知",
+      "usage": "热带地区干线客运",
+      "production_count": "累计超 200 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 43.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 108.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "23 型客车系列",
+      "model_code": "YW23",
+      "full_name": "硬卧车",
+      "manufacturer": "",
+      "first_year": 1962,
+      "last_year": 1968,
+      "status": "未知",
+      "usage": "热带地区干线客运",
+      "production_count": "累计超 150 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 23600.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 46.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 60.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "23 型客车系列",
+      "model_code": "RW23",
+      "full_name": "软卧车",
+      "manufacturer": "",
+      "first_year": 1962,
+      "last_year": 1967,
+      "status": "未知",
+      "usage": "热带地区干线客运",
+      "production_count": "累计超 80 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 23600.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 47.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 32.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"23600.0\", \"width\": \"3100.0\", \"height\": \"4280.0\", \"wheelbase\": \"15000.0\", \"weight\": \"47.0\", \"max_speed\": \"120.0\", \"capacity\": \"32.0\", \"model_code\": \"RW23\", \"full_name\": \"软卧车\", \"first_year\": \"1962 年\", \"last_year\": \"1967 年\", \"bogie\": \"202 型\", \"drive\": \"空气制动\", \"usage\": \"热带地区干线客运\", \"production_count\": \"累计超 80 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "23 型客车系列",
+      "model_code": "CA23",
+      "full_name": "餐车",
+      "manufacturer": "",
+      "first_year": 1963,
+      "last_year": 1968,
+      "status": "未知",
+      "usage": "热带地区列车餐饮服务",
+      "production_count": "累计超 50 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 23600.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 49.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 12.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"23600.0\", \"width\": \"3100.0\", \"height\": \"4280.0\", \"wheelbase\": \"15000.0\", \"weight\": \"49.0\", \"max_speed\": \"120.0\", \"capacity\": \"12 餐座\", \"model_code\": \"CA23\", \"full_name\": \"餐车\", \"first_year\": \"1963 年\", \"last_year\": \"1968 年\", \"bogie\": \"202 型\", \"drive\": \"空气制动\", \"usage\": \"热带地区列车餐饮服务\", \"production_count\": \"累计超 50 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "23 型客车系列",
+      "model_code": "XL23",
+      "full_name": "行李车",
+      "manufacturer": "",
+      "first_year": 1962,
+      "last_year": 1968,
+      "status": "未知",
+      "usage": "热带地区列车行李运输",
+      "production_count": "累计超 80 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 23600.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 40.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"23600.0\", \"width\": \"3100.0\", \"height\": \"4280.0\", \"wheelbase\": \"15000.0\", \"weight\": \"40.0\", \"max_speed\": \"120.0\", \"capacity\": \"无\", \"model_code\": \"XL23\", \"full_name\": \"行李车\", \"first_year\": \"1962 年\", \"last_year\": \"1968 年\", \"bogie\": \"202 型\", \"drive\": \"空气制动\", \"usage\": \"热带地区列车行李运输\", \"production_count\": \"累计超 80 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "23 型客车系列",
+      "model_code": "UZ23",
+      "full_name": "邮政车",
+      "manufacturer": "",
+      "first_year": 1963,
+      "last_year": 1967,
+      "status": "未知",
+      "usage": "热带地区铁路邮政运输",
+      "production_count": "累计超 50 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 23600.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 40.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"23600.0\", \"width\": \"3100.0\", \"height\": \"4280.0\", \"wheelbase\": \"15000.0\", \"weight\": \"40.0\", \"max_speed\": \"120.0\", \"capacity\": \"无\", \"model_code\": \"UZ23\", \"full_name\": \"邮政车\", \"first_year\": \"1963 年\", \"last_year\": \"1967 年\", \"bogie\": \"202 型\", \"drive\": \"空气制动\", \"usage\": \"热带地区铁路邮政运输\", \"production_count\": \"累计超 50 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "24 型客车系列",
+      "model_code": "YW24",
+      "full_name": "硬卧车",
+      "manufacturer": "",
+      "first_year": 1966,
+      "last_year": 1979,
+      "status": "未知",
+      "usage": "国际联运 / 干线客运",
+      "production_count": "累计超 300 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 140.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+    {
+      "category_id": 3,
+      "series": "国际联运 18/19 型客车系列",
+      "model_code": "CA18",
+      "full_name": "国际联运餐车",
+      "manufacturer": "",
+      "first_year": 1967,
+      "last_year": 2003,
+      "status": "未知",
+      "usage": "国际联运列车餐饮服务",
+      "production_count": "累计超 100 辆，少量现役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 24530.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 16000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 50.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 140.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 24.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"24530.0\", \"width\": \"3100.0\", \"height\": \"4280.0\", \"wheelbase\": \"16000.0\", \"weight\": \"50.0\", \"max_speed\": \"140/160\", \"capacity\": \"24 餐座\", \"model_code\": \"CA18\", \"full_name\": \"国际联运餐车\", \"first_year\": \"1967 年\", \"last_year\": \"2003 年\", \"bogie\": \"202 型 / 209P 型\", \"drive\": \"空气制动\", \"usage\": \"国际联运列车餐饮服务\", \"production_count\": \"累计超 100 辆，少量现役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "国际联运 18/19 型客车系列",
+      "model_code": "UZ18",
+      "full_name": "国际联运邮政车",
+      "manufacturer": "",
+      "first_year": 1968,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "国际联运铁路邮政运输",
+      "production_count": "累计超 50 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 24530.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 16000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 41.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 140.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"24530.0\", \"width\": \"3100.0\", \"height\": \"4280.0\", \"wheelbase\": \"16000.0\", \"weight\": \"41.0\", \"max_speed\": \"140.0\", \"capacity\": \"无\", \"model_code\": \"UZ18\", \"full_name\": \"国际联运邮政车\", \"first_year\": \"1968 年\", \"last_year\": \"2000 年\", \"bogie\": \"202 型\", \"drive\": \"空气制动\", \"usage\": \"国际联运铁路邮政运输\", \"production_count\": \"累计超 50 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25 型原型及准高速客车系列",
+      "model_code": "25 型原型",
+      "full_name": "初代 25 型客车",
+      "manufacturer": "",
+      "first_year": 1967,
+      "last_year": 1969,
+      "status": "未知",
+      "usage": "干线准高速客运试验",
+      "production_count": "累计 3 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 45.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 128.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3100.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"45.0\", \"max_speed\": \"160.0\", \"capacity\": \"128.0\", \"series\": \"25 型原型及准高速客车系列\", \"model_code\": \"25 型原型\", \"full_name\": \"初代 25 型客车\", \"first_year\": \"1967 年\", \"last_year\": \"1969 年\", \"bogie\": \"201 型\", \"drive\": \"空气制动\", \"usage\": \"干线准高速客运试验\", \"production_count\": \"累计 3 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25 型原型及准高速客车系列",
+      "model_code": "25-O 型",
+      "full_name": "进口 25 型客车",
+      "manufacturer": "",
+      "first_year": 1977,
+      "last_year": 1978,
+      "status": "未知",
+      "usage": "广深线准高速客运",
+      "production_count": "累计 20 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 46.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 128.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3100.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"46.0\", \"max_speed\": \"160.0\", \"capacity\": \"128.0\", \"model_code\": \"25-O 型\", \"full_name\": \"进口 25 型客车\", \"first_year\": \"1977 年\", \"last_year\": \"1978 年\", \"bogie\": \"进口转向架\", \"drive\": \"空气制动\", \"usage\": \"广深线准高速客运\", \"production_count\": \"累计 20 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25 型原型及准高速客车系列",
+      "model_code": "25-A 型",
+      "full_name": "国产化 25 型客车",
+      "manufacturer": "",
+      "first_year": 1979,
+      "last_year": 1980,
+      "status": "未知",
+      "usage": "广深线准高速客运",
+      "production_count": "累计 10 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 45.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 128.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3100.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"45.0\", \"max_speed\": \"160.0\", \"capacity\": \"128.0\", \"model_code\": \"25-A 型\", \"full_name\": \"国产化 25 型客车\", \"first_year\": \"1979 年\", \"last_year\": \"1980 年\", \"bogie\": \"202 型\", \"drive\": \"空气制动\", \"usage\": \"广深线准高速客运\", \"production_count\": \"累计 10 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25 型原型及准高速客车系列",
+      "model_code": "25C 型",
+      "full_name": "不锈钢准高速客车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 1995,
+      "status": "未知",
+      "usage": "广深线准高速客运，国内第一代不锈钢客车",
+      "production_count": "累计 30 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 46.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 200.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 88.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3100.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"46.0\", \"max_speed\": \"200 (设计)/160 (运营)\", \"capacity\": \"88.0\", \"model_code\": \"25C 型\", \"full_name\": \"不锈钢准高速客车\", \"first_year\": \"1994 年\", \"last_year\": \"1995 年\", \"bogie\": \"CW-2A 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"广深线准高速客运，国内第一代不锈钢客车\", \"production_count\": \"累计 30 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25M 型中速客车系列",
+      "model_code": "YZ25M",
+      "full_name": "中速硬座车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 1998,
+      "status": "未知",
+      "usage": "干线快速客运，25K 型原型验证车",
+      "production_count": "累计超 300 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 45.5,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 118.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"45.5\", \"max_speed\": \"160.0\", \"capacity\": \"118.0\", \"series\": \"25M 型中速客车系列\", \"model_code\": \"YZ25M\", \"full_name\": \"中速硬座车\", \"first_year\": \"1994 年\", \"last_year\": \"1998 年\", \"bogie\": \"209HS 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"干线快速客运，25K 型原型验证车\", \"production_count\": \"累计超 300 辆，已基本退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25M 型中速客车系列",
+      "model_code": "YW25M",
+      "full_name": "中速硬卧车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 1998,
+      "status": "未知",
+      "usage": "干线快速客运",
+      "production_count": "累计超 200 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 48.5,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 66.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"48.5\", \"max_speed\": \"160.0\", \"capacity\": \"66.0\", \"model_code\": \"YW25M\", \"full_name\": \"中速硬卧车\", \"first_year\": \"1994 年\", \"last_year\": \"1998 年\", \"bogie\": \"209HS 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"干线快速客运\", \"production_count\": \"累计超 200 辆，已基本退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25M 型中速客车系列",
+      "model_code": "RW25M",
+      "full_name": "中速软卧车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 1998,
+      "status": "未知",
+      "usage": "干线高端快速客运",
+      "production_count": "累计超 100 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 51.5,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 36.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"51.5\", \"max_speed\": \"160.0\", \"capacity\": \"36.0\", \"model_code\": \"RW25M\", \"full_name\": \"中速软卧车\", \"first_year\": \"1994 年\", \"last_year\": \"1998 年\", \"bogie\": \"209HS 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"干线高端快速客运\", \"production_count\": \"累计超 100 辆，已基本退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25M 型中速客车系列",
+      "model_code": "CA25M",
+      "full_name": "中速餐车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 1998,
+      "status": "未知",
+      "usage": "快速列车餐饮服务",
+      "production_count": "累计超 80 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 51.5,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+      "last_year": 2010,
+      "status": "未知",
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+      "last_year": 2010,
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+      "last_year": 2010,
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+      "last_year": 2010,
+      "status": "未知",
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+      "status": "未知",
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+      "last_year": 2003,
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+      "wheelbase_unit": "mm",
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+      "tractive_cont_unit": "kN",
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+      "max_speed_unit": "km/h",
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+      "last_year": 2003,
+      "status": "未知",
+      "usage": "双层列车餐饮服务",
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+      "axle_arrangement": "",
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+      "country_type": "国产",
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+      "width_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "power_kw_unit": "kW",
+      "max_speed_value": 140.0,
+      "max_speed_unit": "km/h",
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+      "full_name": "双层软卧车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 2002,
+      "status": "未知",
+      "usage": "城际 / 旅游高端客运",
+      "production_count": "累计超 20 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+      "axle_load_unit": "t",
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+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 140.0,
+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+      "series": "25B 型客车系列",
+      "model_code": "WX25B",
+      "full_name": "轨道检查车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 2005,
+      "status": "未知",
+      "usage": "线路状态检测",
+      "production_count": "累计超 30 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
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+      "load_unit": "t",
+      "tractive_start_value": null,
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+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 140.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+      "category_id": 3,
+      "series": "25B 型客车系列",
+      "model_code": "DX25B",
+      "full_name": "电信车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "列车通信保障",
+      "production_count": "累计超 20 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
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+      "country_type": "国产",
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+      "length_unit": "mm",
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+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
+      "weight_value": 48.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
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+      "load_unit": "t",
+      "tractive_start_value": null,
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+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
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+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "25B 型客车系列",
+      "model_code": "YZ25B 通勤型",
+      "full_name": "通勤硬座车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2005,
+      "status": "未知",
+      "usage": "城市市郊通勤客运",
+      "production_count": "累计超 300 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 42.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 200.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "YZ25G",
+      "full_name": "硬座车",
+      "manufacturer": "",
+      "first_year": 1991,
+      "last_year": null,
+      "status": "未知",
+      "usage": "干线普速客运（K 字头列车主力）",
+      "production_count": "累计超 30000 辆，国内现役主力普速客车",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "tractive_cont_unit": "kN",
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+      "power_kw_unit": "kW",
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+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "YW25G",
+      "full_name": "硬卧车",
+      "manufacturer": "",
+      "first_year": 1991,
+      "last_year": null,
+      "status": "未知",
+      "usage": "干线普速客运（K 字头列车主力）",
+      "production_count": "累计超 15000 辆，现役主力",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
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+      "length_unit": "mm",
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+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 66.0,
+      "capacity_unit": "",
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+    },
+    {
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+      "series": "25G 型客车系列",
+      "model_code": "RW25G",
+      "full_name": "软卧车",
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+      "first_year": 1991,
+      "last_year": null,
+      "status": "未知",
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+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
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+      "country_type": "国产",
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+      "width_unit": "mm",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 36.0,
+      "capacity_unit": "",
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+      "series": "25G 型客车系列",
+      "model_code": "RW19G",
+      "full_name": "高级软卧车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2018,
+      "status": "未知",
+      "usage": "高端干线客运",
+      "production_count": "累计超 300 辆，现役主力",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 53.0,
+      "weight_unit": "t",
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+      "axle_load_unit": "t",
+      "load_value": null,
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 16.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "RZ25G",
+      "full_name": "软座车",
+      "manufacturer": "",
+      "first_year": 1991,
+      "last_year": 2015,
+      "status": "未知",
+      "usage": "干线普速客运",
+      "production_count": "累计超 500 辆，少量现役",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
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+      "height_unit": "mm",
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+      "status": "未知",
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+      "last_year": 2005,
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+      "power_kw_unit": "kW",
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+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+      "model_code": "WX25G",
+      "full_name": "轨道检查车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2015,
+      "status": "未知",
+      "usage": "线路状态检测",
+      "production_count": "累计超 40 辆，部分现役",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
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+      "country_type": "国产",
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+      "power_kw_unit": "kW",
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+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+      "model_code": "TZ25G",
+      "full_name": "特种回送车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2020,
+      "status": "未知",
+      "usage": "地铁 / 城轨 / 高铁车辆无火回送，特种运输",
+      "production_count": "累计改造超 200 辆，全路配属",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
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+      "country": "中国",
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+      "axle_load_unit": "t",
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+      "tractive_cont_unit": "kN",
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+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+      "category_id": 3,
+      "series": "25G 型客车系列",
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+      "first_year": 1998,
+      "last_year": 2010,
+      "status": "未知",
+      "usage": "铁路现场公务、应急指挥",
+      "production_count": "累计生产超 50 辆，全路配属",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
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+      "country": "中国",
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+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "TZ25G",
+      "full_name": "空调发电车（曾用代号）",
+      "manufacturer": "",
+      "first_year": 1987,
+      "last_year": 1995,
+      "status": "未知",
+      "usage": "双层空调客车配套集中供电",
+      "production_count": "累计生产超 100 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 58.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "TZ25G",
+      "full_name": "隧道检查车",
+      "manufacturer": "",
+      "first_year": 1990,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "铁路隧道限界、病害检测",
+      "production_count": "累计改造超 30 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 45.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"45.0\", \"max_speed\": \"120.0\", \"capacity\": \"技术定员\", \"model_code\": \"TZ25G\", \"full_name\": \"隧道检查车\", \"first_year\": \"1990 年\", \"last_year\": \"2000 年\", \"bogie\": \"209P 型\", \"drive\": \"空气制动 + 盘形制动\", \"usage\": \"铁路隧道限界、病害检测\", \"production_count\": \"累计改造超 30 辆，已基本退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "TZ25G",
+      "full_name": "工具车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2015,
+      "status": "未知",
+      "usage": "工务施工、接触网检修工具存储",
+      "production_count": "累计改造超 200 辆，全路配属",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 43.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"43-45\", \"max_speed\": \"120.0\", \"capacity\": \"无定员\", \"model_code\": \"TZ25G\", \"full_name\": \"工具车\", \"first_year\": \"1995 年\", \"last_year\": \"2015 年\", \"bogie\": \"209P 型\", \"drive\": \"空气制动 + 盘形制动\", \"usage\": \"工务施工、接触网检修工具存储\", \"production_count\": \"累计改造超 200 辆，全路配属\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "CL25G",
+      "full_name": "材料车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2015,
+      "status": "未知",
+      "usage": "线路施工、抢险救援材料运输",
+      "production_count": "累计改造超 200 辆，全路配属",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 42.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"42-44\", \"max_speed\": \"120.0\", \"capacity\": \"无定员\", \"model_code\": \"CL25G\", \"full_name\": \"材料车\", \"first_year\": \"1995 年\", \"last_year\": \"2015 年\", \"bogie\": \"209P 型\", \"drive\": \"空气制动 + 盘形制动\", \"usage\": \"线路施工、抢险救援材料运输\", \"production_count\": \"累计改造超 200 辆，全路配属\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "YL25G",
+      "full_name": "医疗体检列车",
+      "manufacturer": "",
+      "first_year": 2000,
+      "last_year": 2020,
+      "status": "未知",
+      "usage": "铁路沿线职工体检、应急医疗救援",
+      "production_count": "累计改造 / 生产超 100 辆，全路配属",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 52.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"52-54\", \"max_speed\": \"120.0\", \"capacity\": \"医疗定员\", \"model_code\": \"YL25G\", \"full_name\": \"医疗体检列车\", \"first_year\": \"2000 年\", \"last_year\": \"2020 年\", \"bogie\": \"209P 型\", \"drive\": \"空气制动 + 盘形制动\", \"usage\": \"铁路沿线职工体检、应急医疗救援\", \"production_count\": \"累计改造 / 生产超 100 辆，全路配属\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "TS25G",
+      "full_name": "职工教育车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2015,
+      "status": "未知",
+      "usage": "铁路沿线职工技能培训、安全教育",
+      "production_count": "累计改造超 100 辆，全路配属",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 47.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"47-49\", \"max_speed\": \"120.0\", \"capacity\": \"教学定员\", \"model_code\": \"TS25G\", \"full_name\": \"职工教育车\", \"first_year\": \"1995 年\", \"last_year\": \"2015 年\", \"bogie\": \"209P 型\", \"drive\": \"空气制动 + 盘形制动\", \"usage\": \"铁路沿线职工技能培训、安全教育\", \"production_count\": \"累计改造超 100 辆，全路配属\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "XY25G",
+      "full_name": "洗衣车",
+      "manufacturer": "",
+      "first_year": 1998,
+      "last_year": 2010,
+      "status": "未知",
+      "usage": "工务施工人员衣物洗涤，检修列车配套",
+      "production_count": "累计改造超 50 辆，全路配属",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 46.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"46-48\", \"max_speed\": \"120.0\", \"capacity\": \"无定员\", \"model_code\": \"XY25G\", \"full_name\": \"洗衣车\", \"first_year\": \"1998 年\", \"last_year\": \"2010 年\", \"bogie\": \"209P 型\", \"drive\": \"空气制动 + 盘形制动\", \"usage\": \"工务施工人员衣物洗涤，检修列车配套\", \"production_count\": \"累计改造超 50 辆，全路配属\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "JY25G",
+      "full_name": "救援列车",
+      "manufacturer": "",
+      "first_year": 1998,
+      "last_year": 2015,
+      "status": "未知",
+      "usage": "铁路事故应急救援",
+      "production_count": "累计超 100 辆，全路配属",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 52.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"52.0\", \"max_speed\": \"120.0\", \"capacity\": \"救援定员\", \"model_code\": \"JY25G\", \"full_name\": \"救援列车\", \"first_year\": \"1998 年\", \"last_year\": \"2015 年\", \"bogie\": \"209P 型\", \"drive\": \"空气制动 + 盘形制动\", \"usage\": \"铁路事故应急救援\", \"production_count\": \"累计超 100 辆，全路配属\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25G 型客车系列",
+      "model_code": "YZCA25G",
+      "full_name": "硬座餐车合造车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2010,
+      "status": "未知",
+      "usage": "支线列车客运 + 餐饮合造",
+      "production_count": "累计超 150 辆，少量现役",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 49.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 32.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"49.0\", \"max_speed\": \"120.0\", \"capacity\": \"32 硬座 + 24 餐座\", \"model_code\": \"YZCA25G\", \"full_name\": \"硬座餐车合造车\", \"first_year\": \"1995 年\", \"last_year\": \"2010 年\", \"bogie\": \"209P 型\", \"drive\": \"空气制动 + 盘形制动\", \"usage\": \"支线列车客运 + 餐饮合造\", \"production_count\": \"累计超 150 辆，少量现役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25K 型客车系列",
+      "model_code": "YZ25K",
+      "full_name": "硬座车",
+      "manufacturer": "",
+      "first_year": 1996,
+      "last_year": 2005,
+      "status": "未知",
+      "usage": "干线快速客运（T 字头列车主力）",
+      "production_count": "累计超 8000 辆，现役主力",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 46.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 140.0,
+      "max_speed_unit": "km/h",
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+      "manufacturer": "",
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+      "last_year": 2005,
+      "status": "未知",
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+      "last_year": 2005,
+      "status": "未知",
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+      "model_code": "RZ125K",
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+      "manufacturer": "",
+      "first_year": 1997,
+      "last_year": 2003,
+      "status": "未知",
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+      "production_count": "累计超 100 辆，少量现役",
+      "axle_arrangement": "",
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+      "country_type": "国产",
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+      "max_speed_unit": "km/h",
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+    },
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+      "last_year": 2003,
+      "status": "未知",
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+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
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+      "country_type": "国产",
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+    },
+    {
+      "category_id": 3,
+      "series": "25K 型客车系列",
+      "model_code": "XL25K",
+      "full_name": "行李车",
+      "manufacturer": "",
+      "first_year": 1996,
+      "last_year": 2005,
+      "status": "未知",
+      "usage": "行李运输",
+      "production_count": "累计超 1500 辆，现役主力",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
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+      "model_code": "CA25K",
+      "full_name": "餐车",
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+      "last_year": 2005,
+      "status": "未知",
+      "usage": "列车餐饮服务",
+      "production_count": "累计超 800 辆，现役主力",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
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+      "last_year": 2005,
+      "status": "未知",
+      "usage": "列车集中供电",
+      "production_count": "累计超 600 辆，部分现役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
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+      "country": "中国",
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+      "category_id": 3,
+      "series": "25K 型客车系列",
+      "model_code": "KD25K（单轴发电）",
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+      "manufacturer": "",
+      "first_year": 1999,
+      "last_year": 2003,
+      "status": "未知",
+      "usage": "列车集中供电",
+      "production_count": "累计超 100 辆，部分现役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
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+      "country": "中国",
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+    },
+    {
+      "category_id": 3,
+      "series": "25K 型客车系列",
+      "model_code": "UZ25K",
+      "full_name": "邮政车",
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+      "first_year": 1996,
+      "last_year": 2005,
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+      "max_speed_unit": "km/h",
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+      "series": "25Z 型客车系列",
+      "model_code": "RZ225Z",
+      "full_name": "二等软座车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "广深线准高速客运",
+      "production_count": "累计超 300 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
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+      "country": "中国",
+      "country_type": "国产",
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+      "width_unit": "mm",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "power_kw_unit": "kW",
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+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
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+      "series": "25Z 型客车系列",
+      "model_code": "YZ25Z",
+      "full_name": "硬座车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "城际准高速客运",
+      "production_count": "累计超 200 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
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+      "country": "中国",
+      "country_type": "国产",
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+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 88.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "25Z 型客车系列",
+      "model_code": "CA25Z",
+      "full_name": "餐车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "准高速列车餐饮服务",
+      "production_count": "累计超 100 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
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+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 52.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 24.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"52.0\", \"max_speed\": \"160.0\", \"capacity\": \"24 餐座\", \"model_code\": \"CA25Z\", \"full_name\": \"餐车\", \"first_year\": \"1994 年\", \"last_year\": \"2000 年\", \"bogie\": \"CW-2 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"准高速列车餐饮服务\", \"production_count\": \"累计超 100 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25Z 型客车系列",
+      "model_code": "XL25Z",
+      "full_name": "行李车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "准高速列车行李运输",
+      "production_count": "累计超 80 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 44.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"44.0\", \"max_speed\": \"160.0\", \"capacity\": \"无\", \"model_code\": \"XL25Z\", \"full_name\": \"行李车\", \"first_year\": \"1994 年\", \"last_year\": \"2000 年\", \"bogie\": \"CW-2 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"准高速列车行李运输\", \"production_count\": \"累计超 80 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25Z 型客车系列",
+      "model_code": "KD25Z",
+      "full_name": "空调发电车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "准高速列车集中供电",
+      "production_count": "累计超 60 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 59.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"59.0\", \"max_speed\": \"160.0\", \"capacity\": \"无\", \"model_code\": \"KD25Z\", \"full_name\": \"空调发电车\", \"first_year\": \"1994 年\", \"last_year\": \"2000 年\", \"bogie\": \"CW-2 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"准高速列车集中供电\", \"production_count\": \"累计超 60 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25Z 型客车系列",
+      "model_code": "SRZ125Z",
+      "full_name": "双层一等软座车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "广深线双层准高速客运",
+      "production_count": "累计超 100 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 54.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 108.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"54.0\", \"max_speed\": \"160.0\", \"capacity\": \"108.0\", \"model_code\": \"SRZ125Z\", \"full_name\": \"双层一等软座车\", \"first_year\": \"1994 年\", \"last_year\": \"2000 年\", \"bogie\": \"CW-2 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"广深线双层准高速客运\", \"production_count\": \"累计超 100 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25Z 型客车系列",
+      "model_code": "SRZ225Z",
+      "full_name": "双层二等软座车",
+      "manufacturer": "",
+      "first_year": 1994,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "广深线双层准高速客运",
+      "production_count": "累计超 150 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 54.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 128.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"54.0\", \"max_speed\": \"160.0\", \"capacity\": \"128.0\", \"model_code\": \"SRZ225Z\", \"full_name\": \"双层二等软座车\", \"first_year\": \"1994 年\", \"last_year\": \"2000 年\", \"bogie\": \"CW-2 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"广深线双层准高速客运\", \"production_count\": \"累计超 150 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25Z 型客车系列",
+      "model_code": "SCA25Z",
+      "full_name": "双层餐车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 1999,
+      "status": "未知",
+      "usage": "双层列车餐饮服务",
+      "production_count": "累计超 30 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 56.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 72.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"56.0\", \"max_speed\": \"160.0\", \"capacity\": \"72 餐座\", \"model_code\": \"SCA25Z\", \"full_name\": \"双层餐车\", \"first_year\": \"1995 年\", \"last_year\": \"1999 年\", \"bogie\": \"CW-2 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"双层列车餐饮服务\", \"production_count\": \"累计超 30 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25Z 型客车系列",
+      "model_code": "RZCA25Z",
+      "full_name": "软座餐车合造车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "准高速列车客运 + 餐饮合造",
+      "production_count": "累计超 50 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 51.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 32.0,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"25500.0\", \"width\": \"3105.0\", \"height\": \"4433.0\", \"wheelbase\": \"18000.0\", \"weight\": \"51.0\", \"max_speed\": \"160.0\", \"capacity\": \"32 软座 + 24 餐座\", \"model_code\": \"RZCA25Z\", \"full_name\": \"软座餐车合造车\", \"first_year\": \"1995 年\", \"last_year\": \"2000 年\", \"bogie\": \"CW-2 型\", \"drive\": \"电空制动 + 盘形制动\", \"usage\": \"准高速列车客运 + 餐饮合造\", \"production_count\": \"累计超 50 辆，已全部退役\"}"
+    },
+    {
+      "category_id": 3,
+      "series": "25D型准高速双层客车",
+      "model_code": "SYZ25D",
+      "full_name": "双层准高速硬座车",
+      "manufacturer": "",
+      "first_year": 1999,
+      "last_year": 2001,
+      "status": "未知",
+      "usage": "广深线准高速城际客运",
+      "production_count": "累计超 60 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 25500.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
+      "wheelbase_value": 18000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 54.5,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 200.0,
+      "max_speed_unit": "km/h",
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+      "last_year": 2004,
+      "status": "未知",
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+      "last_year": 1990,
+      "status": "未知",
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+      "last_year": 1990,
+      "status": "未知",
+      "usage": "云南昆河米轨铁路客运",
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+      "last_year": 1990,
+      "status": "未知",
+      "usage": "云南昆河米轨铁路客运",
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+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
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+      "country_type": "国产",
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+    {
+      "category_id": 3,
+      "series": "米轨 / 窄轨客车系列",
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+      "full_name": "米轨餐车",
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+      "first_year": 1974,
+      "last_year": 1990,
+      "status": "未知",
+      "usage": "云南昆河米轨铁路餐饮服务",
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+      "axle_arrangement": "",
+      "drive": "空气制动",
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+      "country_type": "国产",
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+      "last_year": 2020,
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+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
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+      "country": "中国",
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+      "drive": "空气制动",
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+      "country": "中国",
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+      "axle_arrangement": "",
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+      "series": "特种功能改造客车系列",
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+      "axle_arrangement": "",
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+      "last_year": null,
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+      "axle_arrangement": "",
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+      "country_type": "国产",
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+      "last_year": 1960,
+      "status": "未知",
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+      "axle_arrangement": "",
+      "drive": "空气制动",
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+      "country": "中国",
+      "country_type": "国产",
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+      "manufacturer": "",
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+      "last_year": 1990,
+      "status": "未知",
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+      "axle_arrangement": "",
+      "drive": "空气制动",
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+      "country_type": "国产",
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+      "status": "未知",
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+      "drive": "空气制动 + 盘形制动",
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+      "last_year": 2005,
+      "status": "未知",
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+      "drive": "电空制动 + 盘形制动",
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+      "last_year": 2010,
+      "status": "未知",
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+      "production_count": "少量定制生产，不对外公开",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
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+      "last_year": 2020,
+      "status": "未知",
+      "usage": "线路状态检测",
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+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
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+      "series": "特种专用客车系列",
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+      "full_name": "应急指挥车",
+      "manufacturer": "",
+      "first_year": 2005,
+      "last_year": 2020,
+      "status": "未知",
+      "usage": "铁路事故应急指挥、线路抢险现场调度",
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+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
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+      "country_type": "国产",
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+      "width_unit": "mm",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+      "category_id": 3,
+      "series": "特种专用客车系列",
+      "model_code": "XY25B",
+      "full_name": "洗浴车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2010,
+      "status": "未知",
+      "usage": "工务大修、线路施工人员洗浴配套",
+      "production_count": "累计改造超 100 辆，全路配属",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
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+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+      "axle_load_unit": "t",
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+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 140.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+      "category_id": 3,
+      "series": "特种专用客车系列",
+      "model_code": "SY22",
+      "full_name": "宿营车",
+      "manufacturer": "",
+      "first_year": 1980,
+      "last_year": 1994,
+      "status": "未知",
+      "usage": "工务 / 工程人员宿营",
+      "production_count": "累计超 300 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
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+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+      "axle_load_unit": "t",
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+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 48.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "特种专用客车系列",
+      "model_code": "SY23",
+      "full_name": "宿营车",
+      "manufacturer": "",
+      "first_year": 1965,
+      "last_year": 1968,
+      "status": "未知",
+      "usage": "热带地区工务人员宿营",
+      "production_count": "累计超 50 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "width_unit": "mm",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
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+      "power_kw_unit": "kW",
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+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "特种专用客车系列",
+      "model_code": "SY25B",
+      "full_name": "宿营车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2010,
+      "status": "未知",
+      "usage": "工务 / 工程人员宿营",
+      "production_count": "累计超 200 辆，全路配属",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "width_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "load_unit": "t",
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+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 140.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 48.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "特种专用客车系列",
+      "model_code": "SY25G",
+      "full_name": "宿营车",
+      "manufacturer": "",
+      "first_year": 1995,
+      "last_year": 2015,
+      "status": "未知",
+      "usage": "工务 / 工程人员宿营",
+      "production_count": "累计超 500 辆，现役主力",
+      "axle_arrangement": "",
+      "drive": "空气制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
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+      "width_unit": "mm",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
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+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 48.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "特种专用客车系列",
+      "model_code": "SY25K",
+      "full_name": "宿营车",
+      "manufacturer": "",
+      "first_year": 1998,
+      "last_year": 2005,
+      "status": "未知",
+      "usage": "工务 / 工程人员宿营",
+      "production_count": "累计超 200 辆，现役主力",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
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+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 140.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 48.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "特种专用客车系列",
+      "model_code": "SY25T（高原型）",
+      "full_name": "青藏铁路宿营车",
+      "manufacturer": "",
+      "first_year": 2005,
+      "last_year": 2020,
+      "status": "未知",
+      "usage": "青藏铁路工务人员宿营",
+      "production_count": "累计超 50 辆，现役主力",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动 + 密封加压",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
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+      "length_unit": "mm",
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+      "width_unit": "mm",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
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+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 40.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "特种专用客车系列",
+      "model_code": "ZD22",
+      "full_name": "制动过渡车",
+      "manufacturer": "",
+      "first_year": 1990,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "双风管旅客列车牵引过渡风管适配",
+      "production_count": "累计改造超 50 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
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+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 15000.0,
+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
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+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
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+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "特种专用客车系列",
+      "model_code": "XLCA22",
+      "full_name": "行李餐车合造车",
+      "manufacturer": "",
+      "first_year": 1965,
+      "last_year": 1985,
+      "status": "未知",
+      "usage": "支线列车行李 + 餐饮合造",
+      "production_count": "累计超 100 辆，已全部退役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国普速客车型号统计表",
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+      "length_unit": "mm",
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+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 12.0,
+      "capacity_unit": "",
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+    },
+    {
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+      "series": "25DT型动车组拖车系列",
+      "model_code": "25DT",
+      "full_name": "动车组拖车（通用型）",
+      "manufacturer": "",
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+      "last_year": 2005,
+      "status": "未知",
+      "usage": "早期内燃 / 电力动车组配套拖车",
+      "production_count": "累计超 500 辆，已基本退役",
+      "axle_arrangement": "",
+      "drive": "电空制动 + 盘形制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
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+      "length_unit": "mm",
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+      "width_unit": "mm",
+      "height_value": 4433.0,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_value": null,
+      "axle_load_unit": "t",
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+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 3,
+      "series": "进口客车系列",
+      "model_code": "朝鲜进口国际联运客车",
+      "full_name": "国际联运客车",
+      "manufacturer": "",
+      "first_year": 1975,
+      "last_year": 1985,
+      "status": "未知",
+      "usage": "中朝国际联运客运",
+      "production_count": "累计超 100 辆，少量现役",
+      "axle_arrangement": "",
+      "drive": "空气制动",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "进口",
+      "source_sheet": "全国普速客车型号统计表",
+      "length_value": 24530.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": 4280.0,
+      "height_unit": "mm",
+      "wheelbase_value": 16000.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 50.0,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": 32.0,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 4,
+      "series": "和谐",
+      "model_code": "HXD1型",
+      "full_name": "",
+      "manufacturer": "中车株洲 / 中车戚墅堰 / 中车资阳",
+      "first_year": 2006,
+      "last_year": null,
+      "status": "未知",
+      "usage": "干线货运",
+      "production_count": "651 台",
+      "axle_arrangement": "2(Bo-Bo)",
+      "drive": "交 — 直 — 交流传动系统",
+      "efficiency": "89%-94%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 35222.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2800.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 2.0,
+      "weight_unit": "t",
+      "axle_load_value": 23.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 760.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 494.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 4,
+      "series": "和谐",
+      "model_code": "HXD1B型",
+      "full_name": "",
+      "manufacturer": "中车株洲电力机车有限公司",
+      "first_year": 2009,
+      "last_year": null,
+      "status": "未知",
+      "usage": "干线货运",
+      "production_count": "650 台",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 — 直 — 交流传动系统",
+      "efficiency": "89%-94%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 22670.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2800.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 150.0,
+      "weight_unit": "t",
+      "axle_load_value": 25.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 570.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 442.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"22670.0\", \"width\": \"3100.0\", \"wheelbase\": \"2800.0\", \"weight\": \"150.0\", \"axle_load\": \"25.0\", \"tractive_start\": \"570.0\", \"tractive_cont\": \"442.0\", \"max_speed\": \"120km/h\", \"first_year\": \"2009 年\", \"last_year\": \"——\", \"axle_arrangement\": \"Co-Co\", \"manufacturer\": \"中车株洲电力机车有限公司\", \"efficiency\": \"89%-94%\", \"drive\": \"交 — 直 — 交流传动系统\", \"usage\": \"干线货运\", \"production_count\": \"650 台\", \"model_code\": \"HXD1B型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "和谐",
+      "model_code": "HXD1C型",
+      "full_name": "",
+      "manufacturer": "中车株洲 / 中车戚墅堰 / 中车资阳",
+      "first_year": 2009,
+      "last_year": null,
+      "status": "未知",
+      "usage": "干线货运",
+      "production_count": "1207 台",
+      "axle_arrangement": "Co-Co",
+      "drive": "各电机独立供电",
+      "efficiency": "89%-94%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 22670.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2800.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 138.0,
+      "weight_unit": "t",
+      "axle_load_value": 23.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 520.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 370.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"22670.0\", \"width\": \"3100.0\", \"wheelbase\": \"2800.0\", \"weight\": \"138(150)\", \"axle_load\": \"23(25)\", \"tractive_start\": \"520(570)\", \"tractive_cont\": \"370(400)\", \"max_speed\": \"120km/h\", \"first_year\": \"2009 年\", \"last_year\": \"——\", \"axle_arrangement\": \"Co-Co\", \"manufacturer\": \"中车株洲 / 中车戚墅堰 / 中车资阳\", \"efficiency\": \"89%-94%\", \"drive\": \"各电机独立供电\", \"usage\": \"干线货运\", \"production_count\": \"1207 台\", \"model_code\": \"HXD1C型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "和谐",
+      "model_code": "HXD1D型",
+      "full_name": "",
+      "manufacturer": "中车株洲 / 中车戚墅堰 / 中车资阳",
+      "first_year": 2013,
+      "last_year": null,
+      "status": "未知",
+      "usage": "干线客运",
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+      "axle_arrangement": "Co-Co",
+      "drive": "接触网供电",
+      "efficiency": "≈87.6%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
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+      "length_unit": "mm",
+      "width_value": 3098.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2150.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 126.0,
+      "weight_unit": "t",
+      "axle_load_value": 21.0,
+      "axle_load_unit": "t",
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+      "load_unit": "t",
+      "tractive_start_value": 420.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 324.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 4,
+      "series": "和谐",
+      "model_code": "HXD1F型",
+      "full_name": "",
+      "manufacturer": "中车株洲电力机车有限公司",
+      "first_year": 2013,
+      "last_year": 2014,
+      "status": "未知",
+      "usage": "干线货运",
+      "production_count": "2 台 (试制)",
+      "axle_arrangement": "2(Bo-Bo)",
+      "drive": "接触网供电",
+      "efficiency": "≥85%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 35200.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2800.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 2.0,
+      "weight_unit": "t",
+      "axle_load_value": 25.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 1000.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 720.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"35200.0\", \"width\": \"3100.0\", \"wheelbase\": \"2800.0\", \"weight\": \"2×100\", \"axle_load\": \"25.0\", \"tractive_start\": \"≥1000\", \"tractive_cont\": \"720.0\", \"max_speed\": \"100km/h\", \"first_year\": \"2013 年\", \"last_year\": \"2014 年\", \"axle_arrangement\": \"2(Bo-Bo)\", \"manufacturer\": \"中车株洲电力机车有限公司\", \"efficiency\": \"≥85%\", \"drive\": \"接触网供电\", \"usage\": \"干线货运\", \"production_count\": \"2 台 (试制)\", \"model_code\": \"HXD1F型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "和谐",
+      "model_code": "HXD1G型",
+      "full_name": "",
+      "manufacturer": "中车株洲电力机车有限公司",
+      "first_year": 2015,
+      "last_year": null,
+      "status": "未知",
+      "usage": "干线客运",
+      "production_count": "累计超 200 台",
+      "axle_arrangement": "2(Bo-Bo)",
+      "drive": "交 — 直 — 交流传动系统",
+      "efficiency": "≈87.6%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 35000.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2800.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 216.0,
+      "weight_unit": "t",
+      "axle_load_value": 23.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 820.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 691.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"35000.0\", \"width\": \"3100.0\", \"wheelbase\": \"2800.0\", \"weight\": \"216(240)\", \"axle_load\": \"23(25)\", \"tractive_start\": \"820(910)\", \"tractive_cont\": \"691.0\", \"max_speed\": \"160km/h\", \"first_year\": \"2015 年\", \"last_year\": \"量产中\", \"axle_arrangement\": \"2(Bo-Bo)\", \"manufacturer\": \"中车株洲电力机车有限公司\", \"efficiency\": \"≈87.6%\", \"drive\": \"交 — 直 — 交流传动系统\", \"usage\": \"干线客运\", \"production_count\": \"累计超 200 台\", \"model_code\": \"HXD1G型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "和谐",
+      "model_code": "HXD2型",
+      "full_name": "",
+      "manufacturer": "中车大同电力机车有限公司 (阿尔斯通技术合作)",
+      "first_year": 2006,
+      "last_year": 2020,
+      "status": "未知",
+      "usage": "干线货运",
+      "production_count": "累计超 1000 台",
+      "axle_arrangement": "2(Bo-Bo)",
+      "drive": "交流传动系统",
+      "efficiency": "89%-94%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 35222.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2800.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 2.0,
+      "weight_unit": "t",
+      "axle_load_value": 23.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 760.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 510.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"35222.0\", \"width\": \"3100.0\", \"wheelbase\": \"2800.0\", \"weight\": \"2×92(100)\", \"axle_load\": \"23(25)\", \"tractive_start\": \"760.0\", \"tractive_cont\": \"510.0\", \"max_speed\": \"120km/h\", \"first_year\": \"2006 年\", \"last_year\": \"2020 年\", \"axle_arrangement\": \"2(Bo-Bo)\", \"manufacturer\": \"中车大同电力机车有限公司 (阿尔斯通技术合作)\", \"efficiency\": \"89%-94%\", \"drive\": \"交流传动系统\", \"usage\": \"干线货运\", \"production_count\": \"累计超 1000 台\", \"model_code\": \"HXD2型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "和谐",
+      "model_code": "HXD2B型",
+      "full_name": "",
+      "manufacturer": "中车大同电力机车有限公司",
+      "first_year": 2009,
+      "last_year": 2018,
+      "status": "未知",
+      "usage": "干线货运",
+      "production_count": "500 台",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 — 直 — 交流传动系统",
+      "efficiency": "≥85%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 22960.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2800.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 150.0,
+      "weight_unit": "t",
+      "axle_load_value": 25.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 584.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 470.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"22960.0\", \"width\": \"3100.0\", \"wheelbase\": \"2800.0\", \"weight\": \"150.0\", \"axle_load\": \"25.0\", \"tractive_start\": \"584.0\", \"tractive_cont\": \"470.0\", \"max_speed\": \"120km/h\", \"first_year\": \"2009 年\", \"last_year\": \"2018 年\", \"axle_arrangement\": \"Co-Co\", \"manufacturer\": \"中车大同电力机车有限公司\", \"efficiency\": \"≥85%\", \"drive\": \"交 — 直 — 交流传动系统\", \"usage\": \"干线货运\", \"production_count\": \"500 台\", \"model_code\": \"HXD2B型\"}"
+    },
+    {
+      "category_id": 4,
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+      "country": "中国",
+      "country_type": "国产",
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+      "width_unit": "mm",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+      "axle_load_unit": "t",
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+      "load_unit": "t",
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+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 160.0,
+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
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+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS1型",
+      "full_name": "",
+      "manufacturer": "株洲电力机车厂",
+      "first_year": 1958,
+      "last_year": 1988,
+      "status": "未知",
+      "usage": "干线客货通用",
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+      "axle_arrangement": "Co-Co",
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+      "country_type": "国产",
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+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "tractive_start_unit": "kN",
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+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 90.0,
+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS2型",
+      "full_name": "",
+      "manufacturer": "株洲电力机车厂",
+      "first_year": 1969,
+      "last_year": 1982,
+      "status": "未知",
+      "usage": "干线货运",
+      "production_count": "1 台",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "≥80%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 20000.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 4600.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 138.0,
+      "weight_unit": "t",
+      "axle_load_value": 23.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 510.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 343.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS3型",
+      "full_name": "",
+      "manufacturer": "株洲 / 大同 / 资阳 / 太原 / 大连厂",
+      "first_year": 1978,
+      "last_year": 2006,
+      "status": "未知",
+      "usage": "干线客货通用",
+      "production_count": "早期型 772 台、4000 系 838 台",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "82%-86%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 20200.0,
+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 4600.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 138.0,
+      "weight_unit": "t",
+      "axle_load_value": 23.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 490.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 323.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"20200.0\", \"width\": \"3105.0\", \"wheelbase\": \"4600.0\", \"weight\": \"138.0\", \"axle_load\": \"23.0\", \"tractive_start\": \"490.0\", \"tractive_cont\": \"323.0\", \"max_speed\": \"100km/h\", \"first_year\": \"1978 年\", \"last_year\": \"2006 年\", \"axle_arrangement\": \"Co-Co\", \"manufacturer\": \"株洲 / 大同 / 资阳 / 太原 / 大连厂\", \"efficiency\": \"82%-86%\", \"drive\": \"交 — 直 — 直流传动系统\", \"usage\": \"干线客货通用\", \"production_count\": \"早期型 772 台、4000 系 838 台\", \"model_code\": \"SS3型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS3B型",
+      "full_name": "",
+      "manufacturer": "株洲 / 大同 / 资阳 / 广阳 / 大连厂",
+      "first_year": 2002,
+      "last_year": 2009,
+      "status": "未知",
+      "usage": "干线货运",
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+      "axle_arrangement": "2(Co-Co)",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "82%-86%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
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+      "length_unit": "mm",
+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 4600.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 2.0,
+      "weight_unit": "t",
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+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 2.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 2.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"42832.0\", \"width\": \"3105.0\", \"wheelbase\": \"4600.0\", \"weight\": \"2×138\", \"axle_load\": \"23.0\", \"tractive_start\": \"2×490\", \"tractive_cont\": \"2×323\", \"max_speed\": \"100km/h\", \"first_year\": \"2002 年\", \"last_year\": \"2009 年\", \"axle_arrangement\": \"2(Co-Co)\", \"manufacturer\": \"株洲 / 大同 / 资阳 / 广阳 / 大连厂\", \"efficiency\": \"82%-86%\", \"drive\": \"交 — 直 — 直流传动系统\", \"usage\": \"干线货运\", \"production_count\": \"387 台\", \"model_code\": \"SS3B型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS3C型",
+      "full_name": "",
+      "manufacturer": "太原轨道交通装备",
+      "first_year": 2008,
+      "last_year": 2008,
+      "status": "未知",
+      "usage": "干线货运",
+      "production_count": "1 台",
+      "axle_arrangement": "2(Co-Co)",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "≥82%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 43000.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 4600.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 2.0,
+      "weight_unit": "t",
+      "axle_load_value": 23.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 2.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 2.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"43000.0\", \"width\": \"3100.0\", \"wheelbase\": \"4600.0\", \"weight\": \"2×138\", \"axle_load\": \"23.0\", \"tractive_start\": \"2×490\", \"tractive_cont\": \"2×323\", \"max_speed\": \"100km/h\", \"first_year\": \"2008 年\", \"last_year\": \"2008 年\", \"axle_arrangement\": \"2(Co-Co)\", \"manufacturer\": \"太原轨道交通装备\", \"efficiency\": \"≥82%\", \"drive\": \"交 — 直 — 直流传动系统\", \"usage\": \"干线货运\", \"production_count\": \"1 台\", \"model_code\": \"SS3C型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS4型",
+      "full_name": "",
+      "manufacturer": "株洲 / 大同 / 资阳 / 广阳 / 大连厂",
+      "first_year": 1985,
+      "last_year": 2006,
+      "status": "未知",
+      "usage": "干线重载货运",
+      "production_count": "早期型 138 台、改进型 1419 台",
+      "axle_arrangement": "2(Bo-Bo)",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "82%-86%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 32832.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2900.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 2.0,
+      "weight_unit": "t",
+      "axle_load_value": 23.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 628.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 436.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"32832.0\", \"width\": \"3100.0\", \"wheelbase\": \"2900.0\", \"weight\": \"2×92\", \"axle_load\": \"23.0\", \"tractive_start\": \"628.0\", \"tractive_cont\": \"436.0\", \"max_speed\": \"100km/h\", \"first_year\": \"1985 年\", \"last_year\": \"2006 年\", \"axle_arrangement\": \"2(Bo-Bo)\", \"manufacturer\": \"株洲 / 大同 / 资阳 / 广阳 / 大连厂\", \"efficiency\": \"82%-86%\", \"drive\": \"交 — 直 — 直流传动系统\", \"usage\": \"干线重载货运\", \"production_count\": \"早期型 138 台、改进型 1419 台\", \"model_code\": \"SS4型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS4B型",
+      "full_name": "",
+      "manufacturer": "株洲电力机车厂",
+      "first_year": 1995,
+      "last_year": 2011,
+      "status": "未知",
+      "usage": "干线货运",
+      "production_count": "26 台",
+      "axle_arrangement": "2(Bo-Bo)",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "≥82%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 32832.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2900.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 2.0,
+      "weight_unit": "t",
+      "axle_load_value": 23.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 628.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 450.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"32832.0\", \"width\": \"3100.0\", \"wheelbase\": \"2900.0\", \"weight\": \"2×92\", \"axle_load\": \"23.0\", \"tractive_start\": \"628.0\", \"tractive_cont\": \"450.0\", \"max_speed\": \"100km/h\", \"first_year\": \"1995 年\", \"last_year\": \"2011 年\", \"axle_arrangement\": \"2(Bo-Bo)\", \"manufacturer\": \"株洲电力机车厂\", \"efficiency\": \"≥82%\", \"drive\": \"交 — 直 — 直流传动系统\", \"usage\": \"干线货运\", \"production_count\": \"26 台\", \"model_code\": \"SS4B型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS4C型",
+      "full_name": "",
+      "manufacturer": "株洲电力机车厂",
+      "first_year": 1997,
+      "last_year": 1997,
+      "status": "未知",
+      "usage": "干线重载货运",
+      "production_count": "2 台",
+      "axle_arrangement": "2(Bo-Bo)",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "≥82%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 32832.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2900.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 2.0,
+      "weight_unit": "t",
+      "axle_load_value": 25.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 650.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 450.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"32832.0\", \"width\": \"3100.0\", \"wheelbase\": \"2900.0\", \"weight\": \"2×100\", \"axle_load\": \"25.0\", \"tractive_start\": \"650.0\", \"tractive_cont\": \"450.0\", \"max_speed\": \"100km/h\", \"first_year\": \"1997 年\", \"last_year\": \"1997 年\", \"axle_arrangement\": \"2(Bo-Bo)\", \"manufacturer\": \"株洲电力机车厂\", \"efficiency\": \"≥82%\", \"drive\": \"交 — 直 — 直流传动系统\", \"usage\": \"干线重载货运\", \"production_count\": \"2 台\", \"model_code\": \"SS4C型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS4G型",
+      "full_name": "",
+      "manufacturer": "株洲电力机车厂",
+      "first_year": 1993,
+      "last_year": 2006,
+      "status": "未知",
+      "usage": "干线重载货运",
+      "production_count": "早期型 188 台、改进型 1419 台",
+      "axle_arrangement": "2(Bo-Bo)",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "82%-86%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 32832.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2900.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 2.0,
+      "weight_unit": "t",
+      "axle_load_value": 23.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 628.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 436.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"32832.0\", \"width\": \"3100.0\", \"wheelbase\": \"2900.0\", \"weight\": \"2×92\", \"axle_load\": \"23.0\", \"tractive_start\": \"628.0\", \"tractive_cont\": \"436.0\", \"max_speed\": \"100km/h\", \"first_year\": \"1993 年\", \"last_year\": \"2006 年\", \"axle_arrangement\": \"2(Bo-Bo)\", \"manufacturer\": \"株洲电力机车厂\", \"efficiency\": \"82%-86%\", \"drive\": \"交 — 直 — 直流传动系统\", \"usage\": \"干线重载货运\", \"production_count\": \"早期型 188 台、改进型 1419 台\", \"model_code\": \"SS4G型\"}"
+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS5型",
+      "full_name": "",
+      "manufacturer": "株洲电力机车厂 / 大同厂",
+      "first_year": 1990,
+      "last_year": 1990,
+      "status": "未知",
+      "usage": "干线客运",
+      "production_count": "2 台",
+      "axle_arrangement": "Bo-Bo",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "≥82%",
+      "country": "中国",
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+      "last_year": 1997,
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+      "max_speed_unit": "km/h",
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+      "category_id": 4,
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+      "full_name": "",
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+      "last_year": 2006,
+      "status": "未知",
+      "usage": "干线客运",
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+      "country_type": "国产",
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+      "max_speed_unit": "km/h",
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+      "category_id": 4,
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+      "last_year": 2002,
+      "status": "未知",
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+      "max_speed_unit": "km/h",
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+      "last_year": 2006,
+      "status": "未知",
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+    },
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+      "category_id": 4,
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+      "full_name": "",
+      "manufacturer": "株洲电力机车厂",
+      "first_year": 1994,
+      "last_year": 2001,
+      "status": "未知",
+      "usage": "干线客运",
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+      "axle_arrangement": "Bo-Bo",
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+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS8B型",
+      "full_name": "",
+      "manufacturer": "株洲电力机车厂",
+      "first_year": 1998,
+      "last_year": 1998,
+      "status": "未知",
+      "usage": "西陇海线长大坡道牵引试验（客运 / 通勤）",
+      "production_count": "2 台（编号 SS8-2001、2002，后改回标准配置）",
+      "axle_arrangement": "Bo-Bo",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "≥82%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
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+      "width_value": 3105.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2900.0,
+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "power_kw_value": null,
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+      "max_speed_value": 150.0,
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+    },
+    {
+      "category_id": 4,
+      "series": "韶山",
+      "model_code": "SS9型",
+      "full_name": "",
+      "manufacturer": "株洲电力机车厂",
+      "first_year": 1998,
+      "last_year": 2006,
+      "status": "未知",
+      "usage": "干线客运",
+      "production_count": "早期型 43 台、改进型 171 台",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 — 直 — 直流传动系统",
+      "efficiency": "≥82%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
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+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+    },
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+      "category_id": 4,
+      "series": "其他电力机车",
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+      "full_name": "",
+      "manufacturer": "湘潭电机厂（现湘电集团）",
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+      "last_year": 2010,
+      "status": "未知",
+      "usage": "大型露天矿山 / 冶金工矿重载运输",
+      "production_count": "累计生产超 1000 台，为国内主力工矿电力机车",
+      "axle_arrangement": "Bo-Bo-Bo",
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+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
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+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
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+      "last_year": null,
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+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+      "axle_load_unit": "t",
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+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 1500.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
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+      "last_year": null,
+      "status": "未知",
+      "usage": "重载货运",
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+      "axle_arrangement": "2(Bo-Bo)",
+      "drive": "交 — 直 — 交流传动系统",
+      "efficiency": "≥88%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
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+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
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+      "axle_load_unit": "t",
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+      "load_unit": "t",
+      "tractive_start_value": 1200.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 840.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 120.0,
+      "max_speed_unit": "km/h",
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+    {
+      "category_id": 4,
+      "series": "其他电力机车",
+      "model_code": "天梭",
+      "full_name": "",
+      "manufacturer": "大同机车厂",
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+      "last_year": 2003,
+      "status": "未知",
+      "usage": "干线客运",
+      "production_count": "1 台",
+      "axle_arrangement": "Bo-Bo",
+      "drive": "交 — 直 — 交流传动系统",
+      "efficiency": "≥85%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国电力机车型号表",
+      "length_value": 19400.0,
+      "length_unit": "mm",
+      "width_value": 3100.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 2900.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 88.0,
+      "weight_unit": "t",
+      "axle_load_value": 22.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 280.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 160.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 200.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 5,
+      "series": "东风",
+      "model_code": "DF 型 (东风)",
+      "full_name": "",
+      "manufacturer": "大连机车车辆厂",
+      "first_year": 1958,
+      "last_year": 1959,
+      "status": "未知",
+      "usage": "干线客货通用",
+      "production_count": "30 台 (试制，东风系列原型)",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 - 直流电传动",
+      "efficiency": "78%-82%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国内燃机车型号表",
+      "length_value": 18780.0,
+      "length_unit": "mm",
+      "width_value": 3309.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": 4600.0,
+      "wheelbase_unit": "mm",
+      "weight_value": 126.0,
+      "weight_unit": "t",
+      "axle_load_value": 21.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 196.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
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+    },
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+      "category_id": 5,
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+      "model_code": "DF1 型",
+      "full_name": "",
+      "manufacturer": "大连机车车辆厂",
+      "first_year": 1964,
+      "last_year": 1986,
+      "status": "未知",
+      "usage": "干线客货通用",
+      "production_count": "706 台",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 - 直流电传动",
+      "efficiency": "80%-84%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国内燃机车型号表",
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+      "length_unit": "mm",
+      "width_value": 3309.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
+      "weight_value": 126.0,
+      "weight_unit": "t",
+      "axle_load_value": 21.0,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": 308.0,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 200.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 5,
+      "series": "东风",
+      "model_code": "DF1D 型",
+      "full_name": "",
+      "manufacturer": "大连机车车辆厂",
+      "first_year": 1999,
+      "last_year": 2000,
+      "status": "未知",
+      "usage": "干线货运",
+      "production_count": "2 台 (试制)",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 - 直流电传动",
+      "efficiency": "82%-86%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国内燃机车型号表",
+      "length_value": 20500.0,
+      "length_unit": "mm",
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+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
+      "weight_value": 138.0,
+      "weight_unit": "t",
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+      "axle_load_unit": "t",
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+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 302.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
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+    },
+    {
+      "category_id": 5,
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+      "model_code": "DF2 型",
+      "full_name": "",
+      "manufacturer": "戚墅堰机车车辆厂",
+      "first_year": 1964,
+      "last_year": 1986,
+      "status": "未知",
+      "usage": "调车 / 小运转",
+      "production_count": "198 台",
+      "axle_arrangement": "Bo-Bo",
+      "drive": "交 - 直流电传动",
+      "efficiency": "78%-82%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国内燃机车型号表",
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+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
+      "weight_value": 113.0,
+      "weight_unit": "t",
+      "axle_load_value": 18.8,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": 115.0,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 95.0,
+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
+      "raw_json": "{\"length\": \"15140.0\", \"width\": \"3309.0\", \"wheelbase\": \"3300.0\", \"weight\": \"113.0\", \"axle_load\": \"18.8\", \"tractive_start\": \"205.0\", \"tractive_cont\": \"115.0\", \"max_speed\": \"95km/h\", \"model_code\": \"DF2 型\", \"first_year\": \"1964 年\", \"last_year\": \"1986 年\", \"axle_arrangement\": \"Bo-Bo\", \"manufacturer\": \"戚墅堰机车车辆厂\", \"efficiency\": \"78%-82%\", \"drive\": \"交 - 直流电传动\", \"usage\": \"调车 / 小运转\", \"production_count\": \"198 台\"}"
+    },
+    {
+      "category_id": 5,
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+      "model_code": "DF2D 型",
+      "full_name": "",
+      "manufacturer": "资阳内燃机车厂",
+      "first_year": 1997,
+      "last_year": 1999,
+      "status": "未知",
+      "usage": "重载调车 / 工矿运输",
+      "production_count": "12 台",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 - 直流电传动",
+      "efficiency": "80%-84%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国内燃机车型号表",
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+      "length_unit": "mm",
+      "width_value": 3309.0,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "weight_unit": "t",
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+      "axle_load_unit": "t",
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+      "load_unit": "t",
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+      "tractive_start_unit": "kN",
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+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": 100.0,
+      "max_speed_unit": "km/h",
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+      "capacity_unit": "",
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+    },
+    {
+      "category_id": 5,
+      "series": "东风",
+      "model_code": "DF3 型",
+      "full_name": "",
+      "manufacturer": "大连机车车辆厂",
+      "first_year": 1972,
+      "last_year": 1984,
+      "status": "未知",
+      "usage": "干线客运",
+      "production_count": "225 台",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 - 直流电传动",
+      "efficiency": "80%-84%",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "全国内燃机车型号表",
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+      "weight_unit": "t",
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+      "axle_load_unit": "t",
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+      "first_year": 1982,
+      "last_year": 1990,
+      "status": "未知",
+      "usage": "调车 / 小运转",
+      "production_count": "215 台",
+      "axle_arrangement": "Co-Co",
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+      "last_year": 1995,
+      "status": "未知",
+      "usage": "调车 / 干线货运",
+      "production_count": "184 台",
+      "axle_arrangement": "Co-Co",
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+      "last_year": 1972,
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+      "status": "未知",
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+      "manufacturer": "中车资阳机车有限公司",
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+      "last_year": null,
+      "status": "未知",
+      "usage": "调车 / 工矿运输",
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+      "full_name": "",
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+      "last_year": 1959,
+      "status": "未知",
+      "usage": "调车 / 小运转",
+      "production_count": "14 台",
+      "axle_arrangement": "Bo-Bo",
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+      "country": "中国",
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+      "height_unit": "mm",
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+      "wheelbase_unit": "mm",
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+      "axle_load_unit": "t",
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+      "tractive_cont_unit": "kN",
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+      "max_speed_unit": "km/h",
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+      "manufacturer": "罗马尼亚克拉约瓦机车厂",
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+      "last_year": 1987,
+      "status": "未知",
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+      "axle_arrangement": "Bo-Bo",
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+      "efficiency": "78%-82%",
+      "country": "中国",
+      "country_type": "进口",
+      "source_sheet": "全国内燃机车型号表",
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+      "last_year": 1985,
+      "status": "未知",
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+      "axle_arrangement": "Bo-Bo",
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+      "category_id": 5,
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+      "last_year": 1975,
+      "status": "未知",
+      "usage": "干线货运",
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+      "axle_arrangement": "Co-Co",
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+      "first_year": 1984,
+      "last_year": 1986,
+      "status": "未知",
+      "usage": "干线货运",
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+      "axle_arrangement": "C-C",
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+      "full_name": "",
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+      "last_year": 1967,
+      "status": "未知",
+      "usage": "干线客货通用",
+      "production_count": "4 台",
+      "axle_arrangement": "Co-Co",
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+      "last_year": 1975,
+      "status": "未知",
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+      "axle_arrangement": "Co-Co",
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+      "last_year": 1975,
+      "status": "未知",
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+      "axle_arrangement": "Co-Co",
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+      "model_code": "NJ1 型",
+      "full_name": "",
+      "manufacturer": "美国 EMD 公司",
+      "first_year": 1999,
+      "last_year": 1999,
+      "status": "未知",
+      "usage": "调车 / 小运转",
+      "production_count": "1 台",
+      "axle_arrangement": "Co-Co",
+      "drive": "交 - 直 - 交电传动",
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+      "status": "未知",
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+      "country_type": "国产",
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+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": null,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"tour_name\": \"太行山水专列\", \"tractor_models\": \"HXD3C / DF4D\", \"depot\": \"京局 / 太局\", \"usage\": \"北京 / 太原↔长治 / 晋城，太行大峡谷旅游\"}"
+    },
+    {
+      "category_id": 11,
+      "series": "",
+      "model_code": "长白山森林号",
+      "full_name": "",
+      "manufacturer": "",
+      "first_year": null,
+      "last_year": null,
+      "status": "未知",
+      "usage": "长春 / 沈阳↔长白山，东北森林冰雪专线",
+      "production_count": "",
+      "axle_arrangement": "",
+      "drive": "",
+      "efficiency": "",
+      "country": "中国",
+      "country_type": "国产",
+      "source_sheet": "中国旅游列车统计表",
+      "length_value": null,
+      "length_unit": "mm",
+      "width_value": null,
+      "width_unit": "mm",
+      "height_value": null,
+      "height_unit": "mm",
+      "wheelbase_value": null,
+      "wheelbase_unit": "mm",
+      "weight_value": null,
+      "weight_unit": "t",
+      "axle_load_value": null,
+      "axle_load_unit": "t",
+      "load_value": null,
+      "load_unit": "t",
+      "tractive_start_value": null,
+      "tractive_start_unit": "kN",
+      "tractive_cont_value": null,
+      "tractive_cont_unit": "kN",
+      "power_kw_value": null,
+      "power_kw_unit": "kW",
+      "max_speed_value": null,
+      "max_speed_unit": "km/h",
+      "capacity_value": null,
+      "capacity_unit": "",
+      "raw_json": "{\"tour_name\": \"长白山森林号\", \"tractor_models\": \"DF4D / HXD3C\", \"depot\": \"沈局吉段\", \"usage\": \"长春 / 沈阳↔长白山，东北森林冰雪专线\"}"
+    }
+  ],
+  "units": [
+    {
+      "category_id": 2,
+      "car_number": "无",
+      "model_name": "0号蒸汽机车",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "中国现存最古老蒸汽汽车",
+      "raw_json": "{\"\\\\\": \"1.0\", \"model_code\": \"0号蒸汽机车\", \"car_number\": \"无\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"英国苏格兰机车厂\", \"first_year\": \"1881年\", \"note\": \"中国现存最古老蒸汽汽车\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1979.0",
+      "model_name": "反帝（FD）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "后来改名反修，又名友好",
+      "raw_json": "{\"\\\\\": \"2.0\", \"model_code\": \"反帝（FD）\", \"car_number\": \"1979.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"苏联某厂\", \"first_year\": \"1931年\", \"note\": \"后来改名反修，又名友好\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1019.0",
+      "model_name": "工建（GJ）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"3.0\", \"model_code\": \"工建（GJ）\", \"car_number\": \"1019.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"太厂\", \"first_year\": \"1959-11-01 00:00:00\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "304.0",
+      "model_name": "解放（JF）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "“毛泽东号”",
+      "raw_json": "{\"\\\\\": \"4.0\", \"model_code\": \"解放（JF）\", \"car_number\": \"304.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"日本\", \"first_year\": \"1941年\", \"note\": \"“毛泽东号”\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1191.0",
+      "model_name": "解放（JF）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "“朱德号”",
+      "raw_json": "{\"\\\\\": \"5.0\", \"model_code\": \"解放（JF）\", \"car_number\": \"1191.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"日本\", \"first_year\": \"1942年\", \"note\": \"“朱德号”\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "2101.0",
+      "model_name": "解放（JF）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "“国庆号”",
+      "raw_json": "{\"\\\\\": \"6.0\", \"model_code\": \"解放（JF）\", \"car_number\": \"2101.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"四方\", \"first_year\": \"1950年\", \"note\": \"“国庆号”\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "2121.0",
+      "model_name": "解放（JF）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"7.0\", \"model_code\": \"解放（JF）\", \"car_number\": \"2121.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"四方\", \"first_year\": \"1952-12-01 00:00:00\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "4101.0",
+      "model_name": "解放（JF）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"8.0\", \"model_code\": \"解放（JF）\", \"car_number\": \"4101.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"太北段\", \"first_year\": \"1958年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "3022.0",
+      "model_name": "解放6（JF6）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"9.0\", \"model_code\": \"解放6（JF6）\", \"car_number\": \"3022.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"日本\", \"first_year\": \"1933年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "3673.0",
+      "model_name": "解放9（JF9）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"10.0\", \"model_code\": \"解放9（JF9）\", \"car_number\": \"3673.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"日本\", \"first_year\": \"1940年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "3773.0",
+      "model_name": "解放11（JF11）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"11.0\", \"model_code\": \"解放11（JF11）\", \"car_number\": \"3773.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"美国\", \"first_year\": \"1937年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "3787.0",
+      "model_name": "解放11（JF11）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"12.0\", \"model_code\": \"解放11（JF11）\", \"car_number\": \"3787.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"美国\", \"first_year\": \"1937年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "738.0",
+      "model_name": "解放51（JF51）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"13.0\", \"model_code\": \"解放51（JF51）\", \"car_number\": \"738.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"法国\", \"first_year\": \"1926年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "5001.0",
+      "model_name": "建设（GS）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"14.0\", \"model_code\": \"建设（GS）\", \"car_number\": \"5001.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"连厂\", \"first_year\": \"1957-07-01 00:00:00\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "373.0",
+      "model_name": "KD5",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"15.0\", \"model_code\": \"KD5\", \"car_number\": \"373.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"日本\", \"first_year\": \"1921年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "579.0",
+      "model_name": "KD55",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"16.0\", \"model_code\": \"KD55\", \"car_number\": \"579.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"日本\", \"first_year\": \"1921年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "534.0",
+      "model_name": "KD7",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"17.0\", \"model_code\": \"KD7\", \"car_number\": \"534.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"美国\", \"first_year\": \"1947年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "006",
+      "model_name": "KF1",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"18.0\", \"model_code\": \"KF1\", \"car_number\": \"006\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"英国\", \"first_year\": \"1936年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "不详",
+      "model_name": "MG35",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"19.0\", \"model_code\": \"MG35\", \"car_number\": \"不详\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"美国\", \"first_year\": \"1920年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "51.0",
+      "model_name": "PL3",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"20.0\", \"model_code\": \"PL3\", \"car_number\": \"51.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"日本\", \"first_year\": \"1935年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "146.0",
+      "model_name": "PL9",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"21.0\", \"model_code\": \"PL9\", \"car_number\": \"146.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"比利时\", \"first_year\": \"1922年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "0001",
+      "model_name": "前进（QJ）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"22.0\", \"model_code\": \"前进（QJ）\", \"car_number\": \"0001\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"连厂\", \"first_year\": \"1956年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "0004",
+      "model_name": "前进（QJ）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"23.0\", \"model_code\": \"前进（QJ）\", \"car_number\": \"0004\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"连厂\", \"first_year\": \"1958年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "101.0",
+      "model_name": "前进（QJ）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"24.0\", \"model_code\": \"前进（QJ）\", \"car_number\": \"101.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"大同厂\", \"first_year\": \"1964年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "641.0",
+      "model_name": "KD7",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"25.0\", \"model_code\": \"KD7\", \"car_number\": \"641.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"美国\", \"first_year\": \"1946年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "23.0",
+      "model_name": "SN",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"26.0\", \"model_code\": \"SN\", \"car_number\": \"23.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"美国鲍尔温工厂\", \"first_year\": \"1929年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "152.0",
+      "model_name": "胜利3（SL3）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁路博物馆东郊展馆",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"27.0\", \"model_code\": \"胜利3（SL3）\", \"car_number\": \"152.0\", \"location\": \"中国铁路博物馆东郊展馆\", \"manufacturer\": \"日本大阪机车公司\", \"first_year\": \"1939年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "0447",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "首钢特殊钢铁厂",
+      "note": "于2025年5月卖出",
+      "raw_json": "{\"\\\\\": \"28.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"0447\", \"location\": \"首钢特殊钢铁厂\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1968年\", \"note\": \"于2025年5月卖出\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1214.0",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "首钢重型机械厂",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"29.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"1214.0\", \"location\": \"首钢重型机械厂\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1976年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "0375",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "首钢重型机械厂",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"30.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"0375\", \"location\": \"首钢重型机械厂\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1966年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "0688",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "北京冬奥组委",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"31.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"0688\", \"location\": \"北京冬奥组委\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1969年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1739.0",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "石景山游乐园",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"32.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"1739.0\", \"location\": \"石景山游乐园\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1988年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "0891",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "二七厂",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"33.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"0891\", \"location\": \"二七厂\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1972年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "0723",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "二七厂",
+      "note": "被二七厂严重破坏",
+      "raw_json": "{\"\\\\\": \"34.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"0723\", \"location\": \"二七厂\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1970年\", \"note\": \"被二七厂严重破坏\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1085.0",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "中国铁道科学研究院总部院",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"35.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"1085.0\", \"location\": \"中国铁道科学研究院总部院\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1981年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1599.0",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "唐自头影视基地",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"36.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"1599.0\", \"location\": \"唐自头影视基地\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1984年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1752.0",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "南沙河早市",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"37.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"1752.0\", \"location\": \"南沙河早市\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1989年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1339.0",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "广渠东路60号院边",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"38.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"1339.0\", \"location\": \"广渠东路60号院边\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1981年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "0610",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "城外诚家具广场南门",
+      "note": "车号改为866",
+      "raw_json": "{\"\\\\\": \"39.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"0610\", \"location\": \"城外诚家具广场南门\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1969年\", \"note\": \"车号改为866\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "0309",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "798艺术区751火车头广场",
+      "note": "车号改为0751",
+      "raw_json": "{\"\\\\\": \"40.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"0309\", \"location\": \"798艺术区751火车头广场\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1966年\", \"note\": \"车号改为0751\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "0517",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "北京国际露营公园内",
+      "note": "车号改为10799",
+      "raw_json": "{\"\\\\\": \"41.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"0517\", \"location\": \"北京国际露营公园内\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1969年\", \"note\": \"车号改为10799\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1027.0",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "首钢红冶钢厂",
+      "note": "2021修好可过轨自动力运行",
+      "raw_json": "{\"\\\\\": \"42.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"1027.0\", \"location\": \"首钢红冶钢厂\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1976年\", \"note\": \"2021修好可过轨自动力运行\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "1028.0",
+      "model_name": "上游（SY）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "首钢红冶钢厂",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"43.0\", \"model_code\": \"上游（SY）\", \"car_number\": \"1028.0\", \"location\": \"首钢红冶钢厂\", \"manufacturer\": \"唐厂\", \"first_year\": \"约1977年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "28-02",
+      "model_name": "C2",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "广渠东路60号院边",
+      "note": "改号车",
+      "raw_json": "{\"\\\\\": \"44.0\", \"model_code\": \"C2\", \"car_number\": \"28-02\", \"location\": \"广渠东路60号院边\", \"manufacturer\": \"无法考证\", \"first_year\": \"无法考证\", \"note\": \"改号车\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "02",
+      "model_name": "C2",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "大灰厂石灰矿运输部机车库",
+      "note": "生产时间、厂家，均存疑",
+      "raw_json": "{\"\\\\\": \"45.0\", \"model_code\": \"C2\", \"car_number\": \"02\", \"location\": \"大灰厂石灰矿运输部机车库\", \"manufacturer\": \"石家庄电力机械厂\", \"first_year\": \"约1985\", \"note\": \"生产时间、厂家，均存疑\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "03",
+      "model_name": "C2",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "大灰厂石灰矿运输部机车库",
+      "note": "生产时间、厂家，均存疑",
+      "raw_json": "{\"\\\\\": \"46.0\", \"model_code\": \"C2\", \"car_number\": \"03\", \"location\": \"大灰厂石灰矿运输部机车库\", \"manufacturer\": \"哈尔滨森林机械厂\", \"first_year\": \"约1985\", \"note\": \"生产时间、厂家，均存疑\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "不详",
+      "model_name": "C2",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "北京交通大学",
+      "note": "在山东某矿区找出，13年进入北交大",
+      "raw_json": "{\"\\\\\": \"47.0\", \"model_code\": \"C2\", \"car_number\": \"不详\", \"location\": \"北京交通大学\", \"manufacturer\": \"石家庄动力机械厂\", \"first_year\": \"约1958\", \"note\": \"在山东某矿区找出，13年进入北交大\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "原号不详",
+      "model_name": "C2",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "北京汽车博物馆",
+      "note": "改号为C2-260",
+      "raw_json": "{\"\\\\\": \"48.0\", \"model_code\": \"C2\", \"car_number\": \"原号不详\", \"location\": \"北京汽车博物馆\", \"manufacturer\": \"无法考证\", \"first_year\": \"无法考证\", \"note\": \"改号为C2-260\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "原号不详",
+      "model_name": "C2",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "北京汽车博物馆",
+      "note": "改号为C2-261",
+      "raw_json": "{\"\\\\\": \"49.0\", \"model_code\": \"C2\", \"car_number\": \"原号不详\", \"location\": \"北京汽车博物馆\", \"manufacturer\": \"无法考证\", \"first_year\": \"无法考证\", \"note\": \"改号为C2-261\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "305.0",
+      "model_name": "C2",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "首钢园景区内",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"50.0\", \"model_code\": \"C2\", \"car_number\": \"305.0\", \"location\": \"首钢园景区内\", \"manufacturer\": \"石家庄动力机械厂\", \"first_year\": \"无法考证\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "不详",
+      "model_name": "C2",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "首钢鲁家山石灰石矿有限公司",
+      "note": "2002年退役",
+      "raw_json": "{\"\\\\\": \"51.0\", \"model_code\": \"C2\", \"car_number\": \"不详\", \"location\": \"首钢鲁家山石灰石矿有限公司\", \"manufacturer\": \"无法考证\", \"first_year\": \"无法考证\", \"note\": \"2002年退役\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "115.0",
+      "model_name": "XK13",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "首钢南区",
+      "note": "",
+      "raw_json": "{\"\\\\\": \"52.0\", \"model_code\": \"XK13\", \"car_number\": \"115.0\", \"location\": \"首钢南区\", \"manufacturer\": \"波兰赫扎努夫机车厂\", \"first_year\": \"约1959年\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "2246.0",
+      "model_name": "解放（JF）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "二七厂",
+      "note": "生产时间在1952年到1960年之间偏后",
+      "raw_json": "{\"\\\\\": \"53.0\", \"model_code\": \"解放（JF）\", \"car_number\": \"2246.0\", \"location\": \"二七厂\", \"manufacturer\": \"不详（二七厂可能性大）\", \"first_year\": \"1958年左右\", \"note\": \"生产时间在1952年到1960年之间偏后\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "2023.0",
+      "model_name": "解放（JF）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "玲珑公园内",
+      "note": "曾为京局怀段",
+      "raw_json": "{\"\\\\\": \"54.0\", \"model_code\": \"解放（JF）\", \"car_number\": \"2023.0\", \"location\": \"玲珑公园内\", \"manufacturer\": \"不详（建国后仿制外国车）\", \"first_year\": \"无法考证\", \"note\": \"曾为京局怀段\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "2345.0",
+      "model_name": "解放（JF）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "京门铁路主题公园内",
+      "note": "曾在中国成立50周年成就展览会上展出",
+      "raw_json": "{\"\\\\\": \"55.0\", \"model_code\": \"解放（JF）\", \"car_number\": \"2345.0\", \"location\": \"京门铁路主题公园内\", \"manufacturer\": \"四方\", \"first_year\": \"1956-04-01 00:00:00\", \"note\": \"曾在中国成立50周年成就展览会上展出\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "5039.0",
+      "model_name": "建设（JS）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "北京展览馆",
+      "note": "曾服役于京局洞段",
+      "raw_json": "{\"\\\\\": \"56.0\", \"model_code\": \"建设（JS）\", \"car_number\": \"5039.0\", \"location\": \"北京展览馆\", \"manufacturer\": \"连厂\", \"first_year\": \"1961年左右\", \"note\": \"曾服役于京局洞段\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "5398.0",
+      "model_name": "建设（JS）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "京局丰段",
+      "note": "曾服役于京局丰段",
+      "raw_json": "{\"\\\\\": \"57.0\", \"model_code\": \"建设（JS）\", \"car_number\": \"5398.0\", \"location\": \"京局丰段\", \"manufacturer\": \"大同厂\", \"first_year\": \"1988年\", \"note\": \"曾服役于京局丰段\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "6117.0",
+      "model_name": "前进（QJ）",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "智慧长阳美术馆",
+      "note": "存疑处多，改号2017，后挂先锋号",
+      "raw_json": "{\"\\\\\": \"58.0\", \"model_code\": \"前进（QJ）\", \"car_number\": \"6117.0\", \"location\": \"智慧长阳美术馆\", \"manufacturer\": \"存疑\", \"first_year\": \"存疑\", \"note\": \"存疑处多，改号2017，后挂先锋号\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 2,
+      "car_number": "038",
+      "model_name": "MG8",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "青龙桥站",
+      "note": "具体信息不详",
+      "raw_json": "{\"\\\\\": \"59.0\", \"model_code\": \"MG8\", \"car_number\": \"038\", \"location\": \"青龙桥站\", \"manufacturer\": \"英武兰铁工厂\", \"first_year\": \"1917年\", \"note\": \"具体信息不详\"}",
+      "source_sheet": "北京表（蒸汽机车）"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SYJZ-0001",
+      "model_name": "移动式线路动态加载试验车",
+      "function": "试验车",
+      "depot": "国铁",
+      "livery": "青蓝",
+      "status": "半封存",
+      "location": "",
+      "note": "英迈",
+      "raw_json": "{\"car_number\": \"SYJZ-0001\", \"function\": \"试验车\", \"full_name\": \"移动式线路动态加载试验车\", \"depot\": \"国铁\", \"manufacturer\": \"资阳\", \"max_speed\": \"160km/h\", \"livery\": \"青蓝\", \"status\": \"半封存\", \"side_mark\": \"“移动式线路动态加载试验车”\", \"note\": \"英迈\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "QJ-088",
+      "model_name": "",
+      "function": "桥检",
+      "depot": "哈局",
+      "livery": "刷绿",
+      "status": "封存",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"QJ-088\", \"function\": \"桥检\", \"depot\": \"哈局\", \"livery\": \"刷绿\", \"status\": \"封存\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-090083",
+      "model_name": "WX25T型接触网试验车",
+      "function": "接触网检测车",
+      "depot": "京局",
+      "livery": "刷绿",
+      "status": "半封存",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-090083\", \"function\": \"接触网检测车\", \"full_name\": \"WX25T型接触网试验车\", \"depot\": \"京局\", \"manufacturer\": \"唐厂\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"半封存\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "RW25T-553953",
+      "model_name": "RW25T型软卧车",
+      "function": "红外线检测车",
+      "depot": "乌局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "乌局魔改",
+      "raw_json": "{\"car_number\": \"RW25T-553953\", \"function\": \"红外线检测车\", \"full_name\": \"RW25T型软卧车\", \"depot\": \"乌局\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\", \"note\": \"乌局魔改\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "YW25K-670894",
+      "model_name": "YW25K型硬卧车",
+      "function": "红外线检测车",
+      "depot": "沈局沈段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "沈局魔改",
+      "raw_json": "{\"car_number\": \"YW25K-670894\", \"function\": \"红外线检测车\", \"full_name\": \"YW25K型硬卧车\", \"depot\": \"沈局沈段\", \"max_speed\": \"140km/h\", \"livery\": \"刷绿\", \"status\": \"运行\", \"note\": \"沈局魔改\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY22-995002",
+      "model_name": "SY22型试验车",
+      "function": "试验车",
+      "depot": "京局京西段",
+      "livery": "原色绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY22-995002\", \"function\": \"试验车\", \"full_name\": \"SY22型试验车\", \"depot\": \"京局京西段\", \"max_speed\": \"120km/h\", \"livery\": \"原色绿\", \"status\": \"展览\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25-997111",
+      "model_name": "SY25型动力学试验车",
+      "function": "试验车",
+      "depot": "济局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "四方研究所（济南局代管）",
+      "raw_json": "{\"car_number\": \"SY25-997111\", \"function\": \"试验车\", \"full_name\": \"SY25型动力学试验车\", \"depot\": \"济局\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\", \"note\": \"四方研究所（济南局代管）\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY22-997044",
+      "model_name": "SY22型试验车",
+      "function": "试验车",
+      "depot": "京局京段",
+      "livery": "原色绿",
+      "status": "报废",
+      "location": "",
+      "note": "铁科院",
+      "raw_json": "{\"car_number\": \"SY22-997044\", \"function\": \"试验车\", \"full_name\": \"SY22型试验车\", \"depot\": \"京局京段\", \"max_speed\": \"120km/h\", \"livery\": \"原色绿\", \"status\": \"报废\", \"note\": \"铁科院\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY-997050",
+      "model_name": "SY22型试验车",
+      "function": "试验车",
+      "depot": "京局",
+      "livery": "刷绿",
+      "status": "报废",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY-997050\", \"function\": \"试验车\", \"full_name\": \"SY22型试验车\", \"depot\": \"京局\", \"manufacturer\": \"四方\", \"max_speed\": \"120km/h\", \"livery\": \"刷绿\", \"status\": \"报废\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX22-997070",
+      "model_name": "WX22型检查车",
+      "function": "维修车",
+      "depot": "兰局兰段",
+      "livery": "刷绿",
+      "status": "报废",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX22-997070\", \"function\": \"维修车\", \"full_name\": \"WX22型检查车\", \"depot\": \"兰局兰段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"120km/h\", \"livery\": \"刷绿\", \"status\": \"报废\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY22-997152",
+      "model_name": "SY22型制动和动力学试验车",
+      "function": "试验车",
+      "depot": "京局京段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY22-997152\", \"function\": \"试验车\", \"full_name\": \"SY22型制动和动力学试验车\", \"depot\": \"京局京段\", \"manufacturer\": \"长客\", \"max_speed\": \"140km/h\", \"livery\": \"刷绿\", \"status\": \"展览\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY-97035",
+      "model_name": "22型维修车",
+      "function": "维修车",
+      "depot": "？",
+      "livery": "刷红",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY-97035\", \"function\": \"维修车\", \"full_name\": \"22型维修车\", \"depot\": \"？\", \"manufacturer\": \"？\", \"max_speed\": \"120km/h\", \"livery\": \"刷红\", \"status\": \"？\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY-97531",
+      "model_name": "检测车",
+      "function": "接触网检测车",
+      "depot": "郑局",
+      "livery": "原色绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY-97531\", \"function\": \"接触网检测车\", \"full_name\": \"检测车\", \"depot\": \"郑局\", \"manufacturer\": \"？\", \"max_speed\": \"？\", \"livery\": \"原色绿\", \"status\": \"？\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY-97334",
+      "model_name": "试验车",
+      "function": "试验车",
+      "depot": "？",
+      "livery": "黄",
+      "status": "未知",
+      "location": "",
+      "note": "中国铁道博物馆（东郊馆）",
+      "raw_json": "{\"car_number\": \"SY-97334\", \"function\": \"试验车\", \"full_name\": \"试验车\", \"depot\": \"？\", \"manufacturer\": \"？\", \"max_speed\": \"？\", \"livery\": \"黄\", \"status\": \"展览\", \"side_mark\": \"“试验车”\", \"note\": \"中国铁道博物馆（东郊馆）\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY-97407",
+      "model_name": "试验车",
+      "function": "试验车",
+      "depot": "？",
+      "livery": "原色绿",
+      "status": "未知",
+      "location": "",
+      "note": "车体外壳和满铁极为相似",
+      "raw_json": "{\"car_number\": \"SY-97407\", \"function\": \"试验车\", \"full_name\": \"试验车\", \"depot\": \"？\", \"manufacturer\": \"？\", \"max_speed\": \"？\", \"livery\": \"原色绿\", \"status\": \"展览\", \"note\": \"车体外壳和满铁极为相似\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY-97197",
+      "model_name": "试验车",
+      "function": "试验车",
+      "depot": "塔河工务段",
+      "livery": "原色绿",
+      "status": "未知",
+      "location": "",
+      "note": "制作于昭和13年",
+      "raw_json": "{\"car_number\": \"SY-97197\", \"function\": \"试验车\", \"full_name\": \"试验车\", \"depot\": \"塔河工务段\", \"manufacturer\": \"大连工厂\", \"max_speed\": \"？\", \"livery\": \"原色绿\", \"status\": \"展览\", \"note\": \"制作于昭和13年\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY-97612",
+      "model_name": "接触网检测车",
+      "function": "试验车",
+      "depot": "京局京段",
+      "livery": "天蓝",
+      "status": "报废",
+      "location": "",
+      "note": "日本进口的早期检测车",
+      "raw_json": "{\"car_number\": \"SY-97612\", \"function\": \"试验车\", \"full_name\": \"接触网检测车\", \"depot\": \"京局京段\", \"manufacturer\": \"日本富士重工\", \"max_speed\": \"？\", \"livery\": \"天蓝\", \"status\": \"报废拆解\", \"note\": \"日本进口的早期检测车\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY-97609",
+      "model_name": "SY22型实验车",
+      "function": "试验车",
+      "depot": "济局青段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY-97609\", \"function\": \"试验车\", \"full_name\": \"SY22型实验车\", \"depot\": \"济局青段\", \"manufacturer\": \"四方\", \"max_speed\": \"120km/h\", \"livery\": \"刷绿\", \"status\": \"展览\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25k997127",
+      "model_name": "SY25K型实验车",
+      "function": "试验车",
+      "depot": "沈局沈段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "定员0人",
+      "raw_json": "{\"car_number\": \"SY25k997127\", \"function\": \"试验车\", \"full_name\": \"SY25K型实验车\", \"depot\": \"沈局沈段\", \"manufacturer\": \"长客\", \"max_speed\": \"140km/h\", \"livery\": \"刷绿\", \"status\": \"？\", \"note\": \"定员0人\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX-980",
+      "model_name": "米轨铁路维修车",
+      "function": "维修车",
+      "depot": "昆局昆段",
+      "livery": "蓝",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX-980\", \"function\": \"维修车\", \"full_name\": \"米轨铁路维修车\", \"depot\": \"昆局昆段\", \"manufacturer\": \"唐山\", \"max_speed\": \"50km/h\", \"livery\": \"蓝\", \"status\": \"？\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX22-088",
+      "model_name": "WX22维修车",
+      "function": "维修车",
+      "depot": "哈局三段",
+      "livery": "原色绿",
+      "status": "报废",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX22-088\", \"function\": \"维修车\", \"full_name\": \"WX22维修车\", \"depot\": \"哈局三段\", \"manufacturer\": \"？\", \"max_speed\": \"120km/h\", \"livery\": \"原色绿\", \"status\": \"报废\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY-997192",
+      "model_name": "SY型试验车",
+      "function": "试验车",
+      "depot": "京局京段",
+      "livery": "原色绿",
+      "status": "报废",
+      "location": "",
+      "note": "铁科院",
+      "raw_json": "{\"car_number\": \"SY-997192\", \"function\": \"试验车\", \"full_name\": \"SY型试验车\", \"depot\": \"京局京段\", \"max_speed\": \"120km/h\", \"livery\": \"原色绿\", \"status\": \"报废\", \"note\": \"铁科院\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "TZ22-997251",
+      "model_name": "TZ22型隧道检查车",
+      "function": "隧道检查车",
+      "depot": "兰局兰段",
+      "livery": "原色绿",
+      "status": "封存",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"TZ22-997251\", \"function\": \"隧道检查车\", \"full_name\": \"TZ22型隧道检查车\", \"depot\": \"兰局兰段\", \"manufacturer\": \"四方\", \"max_speed\": \"120km/h\", \"livery\": \"原色绿\", \"status\": \"封存\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX-997467",
+      "model_name": "WX22型维修车",
+      "function": "维修车",
+      "depot": "上局合段",
+      "livery": "原色绿",
+      "status": "报废",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX-997467\", \"function\": \"维修车\", \"full_name\": \"WX22型维修车\", \"depot\": \"上局合段\", \"manufacturer\": \"四方\", \"max_speed\": \"120km/h\", \"livery\": \"原色绿\", \"status\": \"报废\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY22-997540",
+      "model_name": "SY22型接触网检测车",
+      "function": "试验车",
+      "depot": "京局京段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY22-997540\", \"function\": \"试验车\", \"full_name\": \"SY22型接触网检测车\", \"depot\": \"京局京段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"140km/h\", \"livery\": \"刷绿\", \"status\": \"展览\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "DJ-997598",
+      "model_name": "DJ型轨道检测车",
+      "function": "轨道检查车",
+      "depot": "兰局兰段",
+      "livery": "蓝",
+      "status": "报废",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"DJ-997598\", \"function\": \"轨道检查车\", \"full_name\": \"DJ型轨道检测车\", \"depot\": \"兰局兰段\", \"max_speed\": \"120km/h\", \"livery\": \"蓝\", \"status\": \"报废\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX22-997623",
+      "model_name": "WX22型维修车",
+      "function": "维修车",
+      "depot": "南局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX22-997623\", \"function\": \"维修车\", \"full_name\": \"WX22型维修车\", \"depot\": \"南局\", \"max_speed\": \"120km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "DJ-997740",
+      "model_name": "DJ型轨道检测车",
+      "function": "轨道检查车",
+      "depot": "京局京段",
+      "livery": "刷绿",
+      "status": "报废",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"DJ-997740\", \"function\": \"轨道检查车\", \"full_name\": \"DJ型轨道检测车\", \"depot\": \"京局京段\", \"max_speed\": \"120km/h\", \"livery\": \"刷绿\", \"status\": \"报废\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY22B-997742",
+      "model_name": "SY22B型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "乌局乌段",
+      "livery": "刷绿",
+      "status": "报废",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY22B-997742\", \"function\": \"轨道检查车\", \"full_name\": \"SY22B型轨道检查车\", \"depot\": \"乌局乌段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"100km/h\", \"livery\": \"刷绿\", \"status\": \"报废\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX22-997744",
+      "model_name": "WX22型维修车",
+      "function": "维修车",
+      "depot": "哈局三段",
+      "livery": "刷绿",
+      "status": "报废",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX22-997744\", \"function\": \"维修车\", \"full_name\": \"WX22型维修车\", \"depot\": \"哈局三段\", \"manufacturer\": \"浦厂\", \"max_speed\": \"120km/h\", \"livery\": \"刷绿\", \"status\": \"报废\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25-997745",
+      "model_name": "SY25型牵引试验车",
+      "function": "试验车",
+      "depot": "京局京段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25-997745\", \"function\": \"试验车\", \"full_name\": \"SY25型牵引试验车\", \"depot\": \"京局京段\", \"manufacturer\": \"四方\", \"max_speed\": \"140km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "DJ25K-997750",
+      "model_name": "DJ25K型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "",
+      "livery": "刷绿",
+      "status": "报废",
+      "location": "",
+      "note": "",
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+      "car_number": "SY25K-998799",
+      "model_name": "SY25K型安全综合检查车",
+      "function": "安全综合检查车",
+      "depot": "国铁",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25K-998799\", \"function\": \"安全综合检查车\", \"full_name\": \"SY25K型安全综合检查车\", \"depot\": \"国铁\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\", \"side_mark\": \"“国铁集团安全综合检查车”\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
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+      "model_name": "SSY25k型双层牵引试验车",
+      "function": "双层试验车",
+      "depot": "京局",
+      "livery": "灰蓝红",
+      "status": "半封存",
+      "location": "",
+      "note": "四方修后封存两年后于2025年6月4日重新启用",
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+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25K-998844",
+      "model_name": "WX25K型检测车",
+      "function": "红外线检测车",
+      "depot": "广铁广段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
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+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-998845",
+      "model_name": "WX25T型接触网检查车",
+      "function": "接触网检测车",
+      "depot": "广铁广段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
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+      "source_sheet": "中国铁路普速检测车统计表"
+    },
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+      "category_id": 9,
+      "car_number": "SY25K-998941",
+      "model_name": "SY25K型试验车（接触网）",
+      "function": "接触网检测车",
+      "depot": "京局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
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+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25K-998945",
+      "model_name": "WX25K型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "西局西段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25K-998945\", \"function\": \"轨道检查车\", \"full_name\": \"WX25K型轨道检查车\", \"depot\": \"西局西段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"140km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25K-998946",
+      "model_name": "WX25K型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "国铁",
+      "livery": "蓝",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25K-998946\", \"function\": \"轨道检查车\", \"full_name\": \"WX25K型轨道检查车\", \"depot\": \"国铁\", \"manufacturer\": \"浦镇\", \"max_speed\": \"140km/h\", \"livery\": \"蓝\", \"status\": \"运行\", \"side_mark\": \"“国铁集团轨道检查车”\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25K-998947",
+      "model_name": "WX25K型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "国铁",
+      "livery": "双白蓝",
+      "status": "未知",
+      "location": "",
+      "note": "双层检",
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+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25K-998948",
+      "model_name": "WX25K型红外线检测车",
+      "function": "红外线检测车",
+      "depot": "上局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25K-998948\", \"function\": \"红外线检测车\", \"full_name\": \"WX25K型红外线检测车\", \"depot\": \"上局\", \"max_speed\": \"140km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25K-998949",
+      "model_name": "WX25K型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "乌局乌段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
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+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25K-998951",
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+      "function": "试验车",
+      "depot": "沈局沈段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25K-998951\", \"function\": \"试验车\", \"full_name\": \"SY25K型电务检测车\", \"depot\": \"沈局沈段\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"停用\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
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+      "category_id": 9,
+      "car_number": "WX25K-998981",
+      "model_name": "WX25K型红外线检测车",
+      "function": "红外线检测车",
+      "depot": "成局成段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
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+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25K-999003",
+      "model_name": "SY25K型试验车",
+      "function": "试验车",
+      "depot": "哈局三段",
+      "livery": "刷绿",
+      "status": "半封存",
+      "location": "",
+      "note": "",
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+      "source_sheet": "中国铁路普速检测车统计表"
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+    {
+      "category_id": 9,
+      "car_number": "WX25K-999026",
+      "model_name": "WX25K型工务轨检车",
+      "function": "工务轨检车",
+      "depot": "兰局兰段",
+      "livery": "双白蓝",
+      "status": "未知",
+      "location": "",
+      "note": "双层检",
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+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25K-999027",
+      "model_name": "SY25K型信号试验车",
+      "function": "信号试验车",
+      "depot": "兰局兰段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
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+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25K-999028",
+      "model_name": "WX25K型红外线检测车",
+      "function": "红外线检测车",
+      "depot": "兰局兰段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25K-999028\", \"function\": \"红外线检测车\", \"full_name\": \"WX25K型红外线检测车\", \"depot\": \"兰局兰段\", \"manufacturer\": \"唐山\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25K-999049",
+      "model_name": "SY25K型红外线检测车",
+      "function": "红外线检测车",
+      "depot": "哈局三段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
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+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25T-999209",
+      "model_name": "SY25T型电务检测车",
+      "function": "试验车",
+      "depot": "国铁",
+      "livery": "黄",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25T-999209\", \"function\": \"试验车\", \"full_name\": \"SY25T型电务检测车\", \"depot\": \"国铁\", \"manufacturer\": \"长客\", \"max_speed\": \"160km/h\", \"livery\": \"黄\", \"status\": \"运行\", \"side_mark\": \"“国铁集团电务检测车”\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25K-999210",
+      "model_name": "SY25K型试验车（红外线）",
+      "function": "试验车",
+      "depot": "宁局南段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25K-999210\", \"function\": \"试验车\", \"full_name\": \"SY25K型试验车（红外线）\", \"depot\": \"宁局南段\", \"manufacturer\": \"长客\", \"max_speed\": \"140km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
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+      "category_id": 9,
+      "car_number": "SY25K-999211",
+      "model_name": "SY25K型试验车（接触网）",
+      "function": "试验车",
+      "depot": "兰局兰段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "2024.6.22刷绿，原先灰红",
+      "raw_json": "{\"car_number\": \"SY25K-999211\", \"function\": \"试验车\", \"full_name\": \"SY25K型试验车（接触网）\", \"depot\": \"兰局兰段\", \"manufacturer\": \"四方\", \"max_speed\": \"140km/h\", \"livery\": \"刷绿\", \"status\": \"运行\", \"note\": \"2024.6.22刷绿，原先灰红\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
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+      "car_number": "WX25T-999216",
+      "model_name": "SY25T型红外线检测车",
+      "function": "红外线检测车",
+      "depot": "南局昌段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999216\", \"function\": \"红外线检测车\", \"full_name\": \"SY25T型红外线检测车\", \"depot\": \"南局昌段\", \"manufacturer\": \"长客\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
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+      "car_number": "WX25T-999246",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "广铁沙段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999246\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"广铁沙段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999247",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "哈局三段",
+      "livery": "原色蓝白",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999247\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"哈局三段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"原色蓝白\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
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+    {
+      "category_id": 9,
+      "car_number": "WX25T-999248",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "太局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999248\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"太局\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
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+    {
+      "category_id": 9,
+      "car_number": "WX25T-999249",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "郑局郑段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999249\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"郑局郑段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999250",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "宁局南段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999250\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"宁局南段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999251",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "成局成段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999251\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"成局成段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25DT-999252",
+      "model_name": "WX25DT型综合检测车",
+      "function": "综合检测车",
+      "depot": "沈局",
+      "livery": "天驰涂装",
+      "status": "封存",
+      "location": "",
+      "note": "编入天驰号动车组",
+      "raw_json": "{\"car_number\": \"WX25DT-999252\", \"function\": \"综合检测车\", \"full_name\": \"WX25DT型综合检测车\", \"depot\": \"沈局\", \"manufacturer\": \"四方\", \"max_speed\": \"200km/h\", \"livery\": \"天驰涂装\", \"status\": \"封存\", \"side_mark\": \"“GDJ”\", \"note\": \"编入天驰号动车组\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25K-999253",
+      "model_name": "WX25K型红外线检测车",
+      "function": "红外线检测车",
+      "depot": "济局济段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25K-999253\", \"function\": \"红外线检测车\", \"full_name\": \"WX25K型红外线检测车\", \"depot\": \"济局济段\", \"max_speed\": \"140km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999254",
+      "model_name": "WX25T型电务检测车",
+      "function": "电务检测车",
+      "depot": "郑局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999254\", \"function\": \"电务检测车\", \"full_name\": \"WX25T型电务检测车\", \"depot\": \"郑局\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25T-999255",
+      "model_name": "SY25T型电务试验车",
+      "function": "电务试验车",
+      "depot": "武局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25T-999255\", \"function\": \"电务试验车\", \"full_name\": \"SY25T型电务试验车\", \"depot\": \"武局\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25T-999274",
+      "model_name": "SY25T型红外线检测车",
+      "function": "试验车",
+      "depot": "郑局郑段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25T-999274\", \"function\": \"试验车\", \"full_name\": \"SY25T型红外线检测车\", \"depot\": \"郑局郑段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25T-999275",
+      "model_name": "SY25T型试验车（接触网）",
+      "function": "试验车",
+      "depot": "成局成段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25T-999275\", \"function\": \"试验车\", \"full_name\": \"SY25T型试验车（接触网）\", \"depot\": \"成局成段\", \"manufacturer\": \"唐厂\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999277",
+      "model_name": "WX25T型红外线综合检测车",
+      "function": "维修车",
+      "depot": "青藏宁段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999277\", \"function\": \"维修车\", \"full_name\": \"WX25T型红外线综合检测车\", \"depot\": \"青藏宁段\", \"manufacturer\": \"四方\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999281",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "南局昌段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "圆屁股",
+      "raw_json": "{\"car_number\": \"WX25T-999281\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"南局昌段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\", \"side_mark\": \"“南昌铁路局轨道检查车”\", \"note\": \"圆屁股\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999282",
+      "model_name": "WX25T型轨道检查车",
+      "function": "维修车",
+      "depot": "青藏宁段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999282\", \"function\": \"维修车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"青藏宁段\", \"manufacturer\": \"四方\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999283",
+      "model_name": "WX25T型红外线检测车",
+      "function": "红外线检测车",
+      "depot": "太局原段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999283\", \"function\": \"红外线检测车\", \"full_name\": \"WX25T型红外线检测车\", \"depot\": \"太局原段\", \"manufacturer\": \"唐山\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25T-999284",
+      "model_name": "SY25T型电务检测车",
+      "function": "电务检测车",
+      "depot": "太局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25T-999284\", \"function\": \"电务检测车\", \"full_name\": \"SY25T型电务检测车\", \"depot\": \"太局\", \"manufacturer\": \"唐山\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999285",
+      "model_name": "WX25T型电务检测车",
+      "function": "电务检测车",
+      "depot": "上局沪段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999285\", \"function\": \"电务检测车\", \"full_name\": \"WX25T型电务检测车\", \"depot\": \"上局沪段\", \"manufacturer\": \"唐山\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25G-999286",
+      "model_name": "SY25G型牵引试验车",
+      "function": "牵引试验车",
+      "depot": "太局原段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25G-999286\", \"function\": \"牵引试验车\", \"full_name\": \"SY25G型牵引试验车\", \"depot\": \"太局原段\", \"manufacturer\": \"唐厂\", \"max_speed\": \"120km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999287",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "广铁集团",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "圆屁股",
+      "raw_json": "{\"car_number\": \"WX25T-999287\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"广铁集团\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\", \"note\": \"圆屁股\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999288",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "上局沪段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "圆屁股",
+      "raw_json": "{\"car_number\": \"WX25T-999288\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"上局沪段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\", \"note\": \"圆屁股\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999289",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "京局",
+      "livery": "白",
+      "status": "未知",
+      "location": "",
+      "note": "圆屁股",
+      "raw_json": "{\"car_number\": \"WX25T-999289\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"京局\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"白\", \"status\": \"运行\", \"note\": \"圆屁股\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999290",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "武局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "圆屁股",
+      "raw_json": "{\"car_number\": \"WX25T-999290\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"武局\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\", \"note\": \"圆屁股\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999291",
+      "model_name": "WX25T型电务综合检测车",
+      "function": "维修车",
+      "depot": "青藏宁段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999291\", \"function\": \"维修车\", \"full_name\": \"WX25T型电务综合检测车\", \"depot\": \"青藏宁段\", \"manufacturer\": \"四方\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999293",
+      "model_name": "WX25T型电务检测车",
+      "function": "电务检测车",
+      "depot": "成局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999293\", \"function\": \"电务检测车\", \"full_name\": \"WX25T型电务检测车\", \"depot\": \"成局\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999299",
+      "model_name": "WX25T型红外线检测车",
+      "function": "红外线检测车",
+      "depot": "西局西段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999299\", \"function\": \"红外线检测车\", \"full_name\": \"WX25T型红外线检测车\", \"depot\": \"西局西段\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "SY25T-999300",
+      "model_name": "SY25T型综合检测车",
+      "function": "综合检测车",
+      "depot": "西局西段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"SY25T-999300\", \"function\": \"综合检测车\", \"full_name\": \"SY25T型综合检测车\", \"depot\": \"西局西段\", \"manufacturer\": \"唐山\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999304",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "国铁",
+      "livery": "白",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999304\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"国铁\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"白\", \"status\": \"运行\", \"side_mark\": \"“国铁集团轨道检查车”\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999305",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "国铁",
+      "livery": "白",
+      "status": "未知",
+      "location": "",
+      "note": "铁科院小贴纸",
+      "raw_json": "{\"car_number\": \"WX25T-999305\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"国铁\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"白\", \"status\": \"运行\", \"side_mark\": \"“国铁集团轨道检查车”\", \"note\": \"铁科院小贴纸\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999306",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "京局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999306\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"京局\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999307",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "上局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999307\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"上局\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999308",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "武局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999308\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"武局\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999309",
+      "model_name": "WX25T型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "广铁沙段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999309\", \"function\": \"轨道检查车\", \"full_name\": \"WX25T型轨道检查车\", \"depot\": \"广铁沙段\", \"manufacturer\": \"浦镇\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999310",
+      "model_name": "WX25T型红外线检测车",
+      "function": "红外线检测车",
+      "depot": "武局",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25T-999310\", \"function\": \"红外线检测车\", \"full_name\": \"WX25T型红外线检测车\", \"depot\": \"武局\", \"manufacturer\": \"唐山\", \"max_speed\": \"160km/h\", \"livery\": \"刷绿\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25T-999311",
+      "model_name": "WX25T型接触网检测车",
+      "function": "接触网检查车",
+      "depot": "呼局包段",
+      "livery": "刷绿",
+      "status": "未知",
+      "location": "",
+      "note": "",
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+      "model_name": "WX25T型隧道检查车",
+      "function": "隧道检查车",
+      "depot": "国家能源集团",
+      "livery": "白黄",
+      "status": "未知",
+      "location": "",
+      "note": "朔黄",
+      "raw_json": "{\"car_number\": \"WX25T-000008\", \"function\": \"隧道检查车\", \"full_name\": \"WX25T型隧道检查车\", \"depot\": \"国家能源集团\", \"max_speed\": \"160km/h\", \"livery\": \"白黄\", \"status\": \"运行\", \"side_mark\": \"“国家能源集团”\", \"note\": \"朔黄\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 9,
+      "car_number": "WX25G-8130901",
+      "model_name": "WX25G型轨道检查车",
+      "function": "轨道检查车",
+      "depot": "国家能源集团",
+      "livery": "橘",
+      "status": "未知",
+      "location": "",
+      "note": "",
+      "raw_json": "{\"car_number\": \"WX25G-8130901\", \"function\": \"轨道检查车\", \"full_name\": \"WX25G型轨道检查车\", \"depot\": \"国家能源集团\", \"max_speed\": \"120km/h\", \"livery\": \"橘\", \"status\": \"运行\"}",
+      "source_sheet": "中国铁路普速检测车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "2010.0",
+      "model_name": "CRH2A",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "中国铁路第一辆动车组检测车",
+      "raw_json": "{\"model_code\": \"CRH2A\", \"car_number\": \"2010.0\", \"predecessor\": \"第一量国产化CRH2A\", \"manufacturer\": \"四方\", \"max_speed\": \"250km/h\", \"first_year\": \"2006-07-31 00:00:00\", \"formation\": \"4M4T\", \"note\": \"中国铁路第一辆动车组检测车\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "2061.0",
+      "model_name": "CRH2C",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "低调的白医生",
+      "raw_json": "{\"model_code\": \"CRH2C\", \"car_number\": \"2061.0\", \"predecessor\": \"出厂即动检\", \"manufacturer\": \"四方\", \"max_speed\": \"393km/h\", \"first_year\": \"2007-12-22 00:00:00\", \"formation\": \"6M2T\", \"note\": \"低调的白医生\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "2068.0",
+      "model_name": "CRH2C",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "低调的白医生",
+      "raw_json": "{\"model_code\": \"CRH2C\", \"car_number\": \"2068.0\", \"predecessor\": \"中国第八列CRH2c\", \"manufacturer\": \"四方\", \"max_speed\": \"350km/h\", \"first_year\": \"2008年1月改造\", \"formation\": \"6M2T\", \"note\": \"低调的白医生\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "2150.0",
+      "model_name": "CRH2C",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "“假老鼠”",
+      "raw_json": "{\"model_code\": \"CRH2C\", \"car_number\": \"2150.0\", \"predecessor\": \"最后一批CRH2c的最后一列\", \"manufacturer\": \"四方\", \"max_speed\": \"402km/h\", \"first_year\": \"2010年11月下线\", \"formation\": \"6M2T\", \"note\": \"“假老鼠”\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0205",
+      "model_name": "CRH2J",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "它换了一种形式继续守护我们的安全",
+      "raw_json": "{\"model_code\": \"CRH2J\", \"car_number\": \"0205\", \"predecessor\": \"前“723”事故车CRH2-139E\", \"manufacturer\": \"四方\", \"max_speed\": \"300km/h\", \"first_year\": \"2015年改造\", \"formation\": \"4M4T\", \"note\": \"它换了一种形式继续守护我们的安全\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0501",
+      "model_name": "CRH5J",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "0号高速综合检测列车",
+      "raw_json": "{\"model_code\": \"CRH5J\", \"car_number\": \"0501\", \"predecessor\": \"出厂即动检（CIT001）\", \"manufacturer\": \"长客\", \"max_speed\": \"300km/h\", \"first_year\": \"2008-06-30 00:00:00\", \"formation\": \"5M3T\", \"note\": \"0号高速综合检测列车\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0201",
+      "model_name": "CRH380AJ",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "黄老鼠",
+      "raw_json": "{\"model_code\": \"CRH380AJ\", \"car_number\": \"0201\", \"predecessor\": \"以CRH380a技术平台为基础研制\", \"manufacturer\": \"四方\", \"max_speed\": \"452km/h\", \"first_year\": \"2011-02-22 00:00:00\", \"formation\": \"7M1T\", \"note\": \"黄老鼠\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0202",
+      "model_name": "CRH380AJ",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "具体改造时间不详",
+      "raw_json": "{\"model_code\": \"CRH380AJ\", \"car_number\": \"0202\", \"predecessor\": \"CRH380a改造而成\", \"manufacturer\": \"四方\", \"max_speed\": \"420km/h\", \"first_year\": \"2011年改造\", \"formation\": \"7M1T\", \"note\": \"具体改造时间不详\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0203",
+      "model_name": "CRH380AJ",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "基本与0201相同",
+      "raw_json": "{\"model_code\": \"CRH380AJ\", \"car_number\": \"0203\", \"predecessor\": \"以CRH380a技术平台为基础研制\", \"manufacturer\": \"四方\", \"max_speed\": \"452km/h\", \"first_year\": \"2011-03-01 00:00:00\", \"formation\": \"7M1T\", \"note\": \"基本与0201相同\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "2808.0",
+      "model_name": "CRH380AJ",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "被CR400AF代替",
+      "raw_json": "{\"model_code\": \"CRH380AJ\", \"car_number\": \"2808.0\", \"predecessor\": \"由退役的CRH380a公务车改造而来\", \"manufacturer\": \"四方\", \"max_speed\": \"400km/h\", \"first_year\": \"2014年6月出厂，2019年改造\", \"formation\": \"6M2T\", \"note\": \"被CR400AF代替\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "2818.0",
+      "model_name": "CRH380AJ",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "前身基本可以理解为公务车",
+      "raw_json": "{\"model_code\": \"CRH380AJ\", \"car_number\": \"2818.0\", \"predecessor\": \"由退役的CRH380a卧铺动车组改造而来\", \"manufacturer\": \"四方\", \"max_speed\": \"452km/h\", \"first_year\": \"2014年6月出厂，2019年改造\", \"formation\": \"4M4T\", \"note\": \"前身基本可以理解为公务车\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0204",
+      "model_name": "CRH380AM",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "没有拖车，有风阻制动，中国铁路最快",
+      "raw_json": "{\"model_code\": \"CRH380AM\", \"car_number\": \"0204\", \"predecessor\": \"由CRH380a创新研制（CIT500）\", \"manufacturer\": \"四方\", \"max_speed\": \"605km/h\", \"first_year\": \"2011-12-25 00:00:00\", \"formation\": \"6M0T\", \"note\": \"没有拖车，有风阻制动，中国铁路最快\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0301",
+      "model_name": "CRH380BJ",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "“鲨鱼”头型",
+      "raw_json": "{\"model_code\": \"CRH380BJ\", \"car_number\": \"0301\", \"predecessor\": \"以CRH380b技术平台为基础研制（CIT400B）\", \"manufacturer\": \"唐客\", \"max_speed\": \"418km/h\", \"first_year\": \"2011-03-01 00:00:00\", \"formation\": \"6M2T\", \"note\": \"“鲨鱼”头型\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0504",
+      "model_name": "CRH380BJ-A",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "高寒地区可以使用",
+      "raw_json": "{\"model_code\": \"CRH380BJ-A\", \"car_number\": \"0504\", \"predecessor\": \"基于CRH380bg研发\", \"manufacturer\": \"长客\", \"max_speed\": \"385km/h\", \"first_year\": \"2016-04-08 00:00:00\", \"formation\": \"4M4T\", \"note\": \"高寒地区可以使用\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0002",
+      "model_name": "CR400AF-J",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "极限工作范围相对温度可达90摄氏度",
+      "raw_json": "{\"model_code\": \"CR400AF-J\", \"car_number\": \"0002\", \"predecessor\": \"基于CR400AF研发\", \"manufacturer\": \"四方\", \"max_speed\": \"453km/h\", \"first_year\": \"暂无公开信息\", \"formation\": \"4M4T\", \"note\": \"极限工作范围相对温度可达90摄氏度\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0001",
+      "model_name": "CR400BF-J",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "曾经有两节CR450的实验车",
+      "raw_json": "{\"model_code\": \"CR400BF-J\", \"car_number\": \"0001\", \"predecessor\": \"在CR400BF-c基础上设计制造\", \"manufacturer\": \"长客\", \"max_speed\": \"453km/h\", \"first_year\": \"2021年6月问世\", \"formation\": \"4M4T\", \"note\": \"曾经有两节CR450的实验车\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "0003",
+      "model_name": "CR400BF-J",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "可以抵抗11级风沙，在高海拔地区工作",
+      "raw_json": "{\"model_code\": \"CR400BF-J\", \"car_number\": \"0003\", \"predecessor\": \"基于复兴号智能动车组研发\", \"manufacturer\": \"长客\", \"max_speed\": \"385km/h\", \"first_year\": \"2023年4月问世\", \"formation\": \"4M4T\", \"note\": \"可以抵抗11级风沙，在高海拔地区工作\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "9101.0",
+      "model_name": "FXD3-J",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "因电路短路报废拆解",
+      "raw_json": "{\"model_code\": \"FXD3-J\", \"car_number\": \"9101.0\", \"predecessor\": \"基于CR200J动力集中动车组研发\", \"manufacturer\": \"唐厂\", \"max_speed\": \"160km/h\", \"first_year\": \"2025年6月23日送至北京\", \"formation\": \"1M5T\", \"note\": \"因电路短路报废拆解\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    },
+    {
+      "category_id": 10,
+      "car_number": "2808.0",
+      "model_name": "CR400AF-J",
+      "function": "",
+      "depot": "",
+      "livery": "",
+      "status": "未知",
+      "location": "",
+      "note": "原CR400AF-2808改造",
+      "raw_json": "{\"model_code\": \"CR400AF-J\", \"car_number\": \"2808.0\", \"predecessor\": \"基于复兴号公务车改造而来\", \"manufacturer\": \"四方\", \"first_year\": \"2025年11月问世\", \"formation\": \"4M4T\", \"note\": \"原CR400AF-2808改造\"}",
+      "source_sheet": "中国高速综合检测列车统计表"
+    }
+  ]
+}
\ No newline at end of file
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diff --git a/app/etl/clean.py b/app/etl/clean.py
new file mode 100644
index 0000000..3fe87c8
--- /dev/null
+++ b/app/etl/clean.py
@@ -0,0 +1,110 @@
+"""清洗规则：单元格清理、数值+单位拆分、年代解析、状态/国别规范化。
+
+对应任务 T-1.2（清洗）。所有函数均为纯函数，便于单元测试（T-1.2 UT）。
+"""
+import re
+
+# 占位/空值标记
+_EMPTY_MARKERS = {"", "-", "——", "—", "/", "N/A", "n/a", "无", "未知"}
+
+
+def clean_cell(value) -> str:
+    """清理单元格：去换行、压缩空白、trim。返回字符串。"""
+    if value is None:
+        return ""
+    s = str(value).replace("\n", "").replace("\r", "")
+    s = s.replace("\u3000", " ")
+    s = re.sub(r"\s+", " ", s).strip()
+    return s
+
+
+def is_empty(value) -> bool:
+    """判断是否为空/占位值。"""
+    return clean_cell(value) in _EMPTY_MARKERS
+
+
+# 匹配前导数字（含小数、千分位、负号），后跟可选单位
+_NUM_RE = re.compile(r"-?\d+(?:\.\d+)?")
+
+
+def parse_value_unit(raw, default_unit: str = ""):
+    """从形如 '400km/h（试验）'、'17t'、'2×92(100)'、'126.0'、'——'
+    中拆出 (数值: float|None, 单位: str, 原文: str)。
+
+    规则：取第一个出现的数值作为主数值；单位优先取 default_unit，
+    否则尝试从数值后紧跟的字母/单位片段提取；无数值则返回 (None, '', 原文)。
+    """
+    text = clean_cell(raw)
+    if text in _EMPTY_MARKERS:
+        return None, "", text
+    m = _NUM_RE.search(text)
+    if not m:
+        return None, "", text
+    value = float(m.group())
+    unit = default_unit
+    if not unit:
+        # 取数值之后紧邻的单位片段（字母 / 常见单位字符）
+        rest = text[m.end():]
+        um = re.match(r"\s*([A-Za-z%/·³²]+(?:/[A-Za-z]+)?)", rest)
+        if um:
+            unit = um.group(1)
+    return value, unit, text
+
+
+def parse_year(raw):
+    """解析年份：'1971 年'、'2006'、'2007-12-22 00:00:00' -> int|None。"""
+    text = clean_cell(raw)
+    if text in _EMPTY_MARKERS:
+        return None
+    m = re.search(r"(1[89]\d{2}|20\d{2})", text)
+    return int(m.group(1)) if m else None
+
+
+def normalize_status(raw) -> str:
+    """把自由文本状态规范到枚举之一。"""
+    text = clean_cell(raw)
+    if not text:
+        return "未知"
+    mapping = [
+        ("半封存", "半封存"),
+        ("封存", "封存"),
+        ("现役", "现役"),
+        ("在役", "现役"),
+        ("退役", "退役"),
+        ("淘汰", "退役"),
+        ("报废", "报废"),
+        ("保存", "保存"),
+        ("试验", "试验"),
+        ("样车", "试验"),
+    ]
+    for kw, val in mapping:
+        if kw in text:
+            return val
+    return "未知"
+
+
+# 国别属性的简单启发式推断（默认国产；后续众包修订可覆盖）
+_IMPORT_HINTS = ["进口", "苏联", "罗马尼亚", "法国", "日本", "德国", "美国", "捷克"]
+
+
+def infer_country_type(*texts) -> str:
+    blob = " ".join(clean_cell(t) for t in texts)
+    if "合资" in blob:
+        return "中外合资"
+    if "仿制" in blob or "引进" in blob:
+        return "引进仿制"
+    for h in _IMPORT_HINTS:
+        if h in blob:
+            return "进口"
+    return "国产"
+
+
+def forward_fill(values):
+    """对一列做向前填充（处理合并单元格被拆空的 系列 列）。"""
+    out, last = [], ""
+    for v in values:
+        c = clean_cell(v)
+        if c:
+            last = c
+        out.append(last)
+    return out
diff --git a/app/etl/field_dict.py b/app/etl/field_dict.py
new file mode 100644
index 0000000..f5c6d16
--- /dev/null
+++ b/app/etl/field_dict.py
@@ -0,0 +1,109 @@
+"""统一字段字典与枚举。
+
+将各 sheet 中形态各异的表头映射到规范字段名（canonical），
+并声明哪些字段是"数值 + 单位"型（需要拆分）。
+对应任务 T-1.1（字段字典）/ T-1.2（字段映射）。
+"""
+
+# 规范字段 -> 该字段的同义表头集合（去空格后匹配）
+# 注意：表头里常含空格/换行，匹配前统一做 normalize_header() 处理。
+FIELD_SYNONYMS = {
+    "series": ["系列"],
+    "model_code": ["型号", "型号(代号)", "车型", "车型代码", "小表编号车型"],
+    "full_name": ["车型全称", "车型名称"],
+    "first_year": ["首产时间", "制造时间", "生产时间"],
+    "last_year": ["停产时间"],
+    "manufacturer": ["生产商", "主要生产厂商", "生产厂商", "制造商"],
+    "length": ["车体长度/mm", "机车长度/mm", "车辆全长/mm", "车体全长/mm"],
+    "width": ["车体宽度/mm", "机车宽度/mm"],
+    "height": ["车体高度/mm"],
+    "wheelbase": ["轴距/mm", "车辆定距/mm"],
+    "weight": ["整备重量/t", "自重/t", "整备重量/轴重/t", "整备重量/节数"],
+    "axle_load": ["轴重/t"],
+    "axle_arrangement": ["轴列式", "轴式", "轴列式(标准编组)"],
+    "tractive_start": ["牵引力(起动)/kN"],
+    "tractive_cont": ["牵引力(持续)/kN"],
+    "power_kw": ["牵引力/kW"],
+    "efficiency": ["传动效率", "机械效率"],
+    "drive": ["传动方式/动力来源", "供电方式(传动方式)", "供电方式", "制动方式"],
+    "max_speed": ["最高运行时速", "最高运营时速", "构造速度/km/h", "运行时速",
+                  "最高速度", "构造速度"],
+    "usage": ["用途", "主要用途", "核心运行区段/主题"],
+    "production_count": ["产量", "累计产量", "生产台数", "生产数量",
+                         "累计产量/配属"],
+    "capacity": ["容积/m³", "定员/人"],
+    "load": ["载重/t"],
+    "bogie": ["转向架型号"],
+    "coupler": ["车钩类型"],
+    # 个体（Unit）粒度字段
+    "car_number": ["车号", "编号"],
+    "function": ["功能"],
+    "depot": ["配属", "所属路局"],
+    "livery": ["颜色", "涂装"],
+    "status": ["状态"],
+    "side_mark": ["侧标"],
+    "note": ["备注"],
+    "location": ["存放位置"],
+    "formation": ["动力车、拖车", "动力车拖车"],
+    "predecessor": ["前身(部分含)", "前身"],
+    "lifespan": ["最大使用寿命(结合实际)"],
+    "tour_name": ["旅游列车名称"],
+    "tractor_models": ["牵引机车常用型号"],
+}
+
+# "数值 + 单位"型字段：导入时拆出 <field>_value(float) 与 <field>_unit(text)
+NUMERIC_UNIT_FIELDS = {
+    "length": "mm", "width": "mm", "height": "mm", "wheelbase": "mm",
+    "weight": "t", "axle_load": "t", "load": "t",
+    "tractive_start": "kN", "tractive_cont": "kN", "power_kw": "kW",
+    "max_speed": "km/h", "capacity": "",
+}
+
+# 状态枚举（规范化目标）
+STATUS_ENUM = ["现役", "封存", "半封存", "报废", "退役", "保存", "试验", "未知"]
+
+# 国别属性枚举
+COUNTRY_TYPE_ENUM = ["国产", "进口", "引进仿制", "中外合资", "未知"]
+
+# sheet 文件名 -> 分类配置
+# grain: "model" 车型粒度 / "unit" 个体粒度
+CATEGORY_CONFIG = {
+    "中国蒸汽汽车统计表（建国前）": {"category": "蒸汽机车", "subcat": "建国前", "grain": "model"},
+    "中国蒸汽机车型号表（建国后）": {"category": "蒸汽机车", "subcat": "建国后", "grain": "model"},
+    "北京表（蒸汽机车）": {"category": "蒸汽机车", "subcat": "北京现存", "grain": "unit"},
+    "全国普速客车型号统计表": {"category": "客车", "subcat": "普速客车", "grain": "model"},
+    "全国电力机车型号表": {"category": "电力机车", "subcat": "", "grain": "model",
+                      "col_override": {0: "series", 1: "model_code"}},
+    "全国内燃机车型号表": {"category": "内燃机车", "subcat": "", "grain": "model"},
+    "CJ型动车组、早期动车组及和谐号统计表": {"category": "动车组", "subcat": "CJ/早期/和谐号", "grain": "model"},
+    "全国复兴号统计表": {"category": "动车组", "subcat": "复兴号", "grain": "model"},
+    "中国铁路货车统计表": {"category": "货车", "subcat": "", "grain": "model"},
+    "中国铁路普速检测车统计表": {"category": "检测车", "subcat": "普速检测", "grain": "unit"},
+    "中国高速综合检测列车统计表": {"category": "检测车", "subcat": "高速综合检测", "grain": "unit"},
+    "中国旅游列车统计表": {"category": "旅游列车", "subcat": "", "grain": "model"},
+}
+
+# 用于识别"表头行"的关键 token（normalize 后）
+HEADER_TOKENS = {"型号", "车号", "车型代码", "车型", "旅游列车名称", "小表编号",
+                 "型号(代号)", "系列", "车型全称"}
+
+# 反向索引：normalized header -> canonical field
+_REVERSE = {}
+for _canon, _syns in FIELD_SYNONYMS.items():
+    for _s in _syns:
+        _REVERSE[_s] = _canon
+
+
+def normalize_header(h: str) -> str:
+    """规范化表头：去除空白、换行、全角空格，并将全角括号转半角。"""
+    if h is None:
+        return ""
+    s = (h.replace("\n", "").replace("\r", "")
+         .replace(" ", "").replace("\u3000", "").strip())
+    s = s.replace("（", "(").replace("）", ")")
+    return s
+
+
+def map_header(h: str):
+    """把原始表头映射到 canonical 字段名，未知返回 None。"""
+    return _REVERSE.get(normalize_header(h))
diff --git a/app/etl/importer.py b/app/etl/importer.py
new file mode 100644
index 0000000..65d386f
--- /dev/null
+++ b/app/etl/importer.py
@@ -0,0 +1,267 @@
+"""ETL 导入管线：12 张 CSV -> 清洗 -> SQLite + JSON + 导入报告。
+
+对应任务 T-1.2。运行：
+    python3 -m app.etl.importer            # 从 Train/ 目录运行
+或：
+    python3 app/etl/importer.py
+"""
+import csv
+import json
+import os
+import sqlite3
+import sys
+
+from . import field_dict as fd
+from . import clean as cl
+
+HERE = os.path.dirname(os.path.abspath(__file__))
+APP_DIR = os.path.dirname(HERE)
+ROOT = os.path.dirname(APP_DIR)            # Train/
+CSV_DIR = os.path.join(ROOT, "csv")
+OUT_DIR = os.path.join(APP_DIR, "data")
+DB_PATH = os.path.join(OUT_DIR, "machines.db")
+JSON_PATH = os.path.join(OUT_DIR, "machines.json")
+REPORT_PATH = os.path.join(OUT_DIR, "import_report.md")
+SCHEMA_PATH = os.path.join(HERE, "schema.sql")
+
+
+def find_header_row(rows):
+    """返回表头行索引：含 >=3 个非空单元且命中关键 token 的首行。"""
+    for i, row in enumerate(rows):
+        cells = [fd.normalize_header(c) for c in row]
+        nonempty = [c for c in cells if c]
+        if len(nonempty) >= 3 and (set(cells) & fd.HEADER_TOKENS):
+            return i
+    return None
+
+
+def build_column_map(header_row):
+    """列索引 -> canonical 字段名（未知列保留为 raw::原表头）。"""
+    col_map = {}
+    for idx, h in enumerate(header_row):
+        canon = fd.map_header(h)
+        norm = fd.normalize_header(h)
+        if canon:
+            col_map[idx] = canon
+        elif norm:
+            col_map[idx] = "raw::" + norm
+    return col_map
+
+
+def clean_record(row, col_map):
+    """把一行映射为 canonical 字段 dict（含 raw:: 保真列）。"""
+    rec, raw = {}, {}
+    for idx, field in col_map.items():
+        value = row[idx] if idx < len(row) else ""
+        if field.startswith("raw::"):
+            c = cl.clean_cell(value)
+            if c:
+                raw[field[5:]] = c
+            continue
+        rec[field] = value
+    rec["_raw_extra"] = raw
+    return rec
+
+
+def to_model_row(rec, category_id, sheet, series_value):
+    """构造 model 表插入字典。"""
+    raw_all = dict(rec.get("_raw_extra", {}))
+    m = {
+        "category_id": category_id,
+        "series": cl.clean_cell(rec.get("series") or series_value),
+        "model_code": cl.clean_cell(rec.get("model_code")),
+        "full_name": cl.clean_cell(rec.get("full_name")),
+        "manufacturer": cl.clean_cell(rec.get("manufacturer")),
+        "first_year": cl.parse_year(rec.get("first_year")),
+        "last_year": cl.parse_year(rec.get("last_year")),
+        "status": cl.normalize_status(rec.get("status")),
+        "usage": cl.clean_cell(rec.get("usage")),
+        "production_count": cl.clean_cell(rec.get("production_count")),
+        "axle_arrangement": cl.clean_cell(rec.get("axle_arrangement")),
+        "drive": cl.clean_cell(rec.get("drive")),
+        "efficiency": cl.clean_cell(rec.get("efficiency")),
+        "country": "中国",
+        "country_type": cl.infer_country_type(
+            rec.get("manufacturer"), rec.get("model_code"),
+            rec.get("usage"), rec.get("production_count")),
+        "source_sheet": sheet,
+    }
+    # 数值+单位字段拆分
+    for field, default_unit in fd.NUMERIC_UNIT_FIELDS.items():
+        if field not in fd.FIELD_SYNONYMS:
+            continue
+        val, unit, _ = cl.parse_value_unit(rec.get(field), default_unit)
+        m[field + "_value"] = val
+        m[field + "_unit"] = unit or default_unit
+        if rec.get(field) is not None:
+            raw_all[field] = cl.clean_cell(rec.get(field))
+    # 把所有 canonical 原文也并入 raw_json 保真
+    for k, v in rec.items():
+        if k == "_raw_extra":
+            continue
+        c = cl.clean_cell(v)
+        if c:
+            raw_all[k] = c
+    m["raw_json"] = json.dumps(raw_all, ensure_ascii=False)
+    return m
+
+
+def to_unit_row(rec, category_id, sheet):
+    raw_all = dict(rec.get("_raw_extra", {}))
+    for k, v in rec.items():
+        if k == "_raw_extra":
+            continue
+        c = cl.clean_cell(v)
+        if c:
+            raw_all[k] = c
+    return {
+        "category_id": category_id,
+        "car_number": cl.clean_cell(rec.get("car_number")),
+        "model_name": cl.clean_cell(rec.get("full_name") or rec.get("model_code")),
+        "function": cl.clean_cell(rec.get("function")),
+        "depot": cl.clean_cell(rec.get("depot")),
+        "livery": cl.clean_cell(rec.get("livery")),
+        "status": cl.normalize_status(rec.get("status")),
+        "location": cl.clean_cell(rec.get("location")),
+        "note": cl.clean_cell(rec.get("note")),
+        "raw_json": json.dumps(raw_all, ensure_ascii=False),
+        "source_sheet": sheet,
+    }
+
+
+def _insert(conn, table, row):
+    cols = list(row.keys())
+    ph = ",".join(["?"] * len(cols))
+    conn.execute(
+        f"INSERT INTO {table} ({','.join(cols)}) VALUES ({ph})",
+        [row[c] for c in cols],
+    )
+
+
+def import_all(csv_dir=CSV_DIR, db_path=DB_PATH):
+    os.makedirs(OUT_DIR, exist_ok=True)
+    if os.path.exists(db_path):
+        os.remove(db_path)
+    conn = sqlite3.connect(db_path)
+    with open(SCHEMA_PATH, encoding="utf-8") as f:
+        conn.executescript(f.read())
+
+    report = {"sheets": [], "models": 0, "units": 0, "skipped": 0, "review": []}
+    export = {"categories": [], "models": [], "units": []}
+    cat_ids = {}
+
+    for sheet, cfg in fd.CATEGORY_CONFIG.items():
+        path = os.path.join(csv_dir, sheet + ".csv")
+        entry = {"sheet": sheet, "category": cfg["category"], "grain": cfg["grain"],
+                 "rows": 0, "imported": 0, "skipped": 0, "note": ""}
+        if not os.path.exists(path):
+            entry["note"] = "文件缺失"
+            report["sheets"].append(entry)
+            continue
+        with open(path, encoding="utf-8-sig") as fh:
+            rows = list(csv.reader(fh))
+        if not rows:
+            entry["note"] = "空表（无数据）"
+            report["sheets"].append(entry)
+            continue
+
+        key = (cfg["category"], cfg["subcat"])
+        if key not in cat_ids:
+            cur = conn.execute(
+                "INSERT INTO category(name, subcat, slug) VALUES (?,?,?)",
+                (cfg["category"], cfg["subcat"], None))
+            cat_ids[key] = cur.lastrowid
+            export["categories"].append(
+                {"id": cur.lastrowid, "name": cfg["category"], "subcat": cfg["subcat"]})
+        category_id = cat_ids[key]
+
+        hidx = find_header_row(rows)
+        if hidx is None:
+            entry["note"] = "未识别表头行"
+            report["sheets"].append(entry)
+            continue
+        col_map = build_column_map(rows[hidx])
+        # 应用 per-sheet 列覆盖（处理表头标注与实际不符的脏表）
+        for idx, field in cfg.get("col_override", {}).items():
+            col_map[idx] = field
+        data_rows = rows[hidx + 1:]
+        entry["rows"] = len(data_rows)
+
+        # 系列列向前填充（合并单元格）
+        series_col = next((i for i, f in col_map.items() if f == "series"), None)
+        if series_col is not None:
+            filled = cl.forward_fill([r[series_col] if series_col < len(r) else ""
+                                      for r in data_rows])
+        else:
+            filled = [""] * len(data_rows)
+
+        for r, series_value in zip(data_rows, filled):
+            rec = clean_record(r, col_map)
+            if cfg["grain"] == "unit":
+                car = cl.clean_cell(rec.get("car_number"))
+                if not car:
+                    entry["skipped"] += 1
+                    report["skipped"] += 1
+                    continue
+                row = to_unit_row(rec, category_id, sheet)
+                _insert(conn, "unit", row)
+                export["units"].append(row)
+                report["units"] += 1
+                entry["imported"] += 1
+            else:
+                code = cl.clean_cell(rec.get("model_code")) or \
+                    cl.clean_cell(rec.get("tour_name")) or \
+                    cl.clean_cell(rec.get("full_name"))
+                if not code:
+                    entry["skipped"] += 1
+                    report["skipped"] += 1
+                    continue
+                row = to_model_row(rec, category_id, sheet, series_value)
+                if not row["model_code"]:
+                    row["model_code"] = code
+                _insert(conn, "model", row)
+                export["models"].append(row)
+                report["models"] += 1
+                entry["imported"] += 1
+                # 年代逻辑校验 -> 待复核
+                if (row["first_year"] and row["last_year"]
+                        and row["first_year"] > row["last_year"]):
+                    report["review"].append(
+                        f"{sheet} / {code}: 首产年 {row['first_year']} > 停产年 {row['last_year']}")
+        report["sheets"].append(entry)
+
+    conn.commit()
+    conn.close()
+
+    with open(JSON_PATH, "w", encoding="utf-8") as f:
+        json.dump(export, f, ensure_ascii=False, indent=2)
+    _write_report(report)
+    return report
+
+
+def _write_report(report):
+    lines = ["# ETL 导入报告\n",
+             f"- 车型(Model)：**{report['models']}**",
+             f"- 个体(Unit)：**{report['units']}**",
+             f"- 跳过(无主键)：**{report['skipped']}**",
+             f"- 待人工复核：**{len(report['review'])}**\n",
+             "## 分表明细\n",
+             "| 分类表 | 分类 | 粒度 | 数据行 | 入库 | 跳过 | 备注 |",
+             "|---|---|---|---|---|---|---|"]
+    for s in report["sheets"]:
+        lines.append(f"| {s['sheet']} | {s['category']} | {s['grain']} | "
+                     f"{s['rows']} | {s['imported']} | {s['skipped']} | {s['note']} |")
+    if report["review"]:
+        lines.append("\n## 待人工复核\n")
+        for r in report["review"]:
+            lines.append(f"- {r}")
+    with open(REPORT_PATH, "w", encoding="utf-8") as f:
+        f.write("\n".join(lines) + "\n")
+
+
+if __name__ == "__main__":
+    rep = import_all()
+    print(f"导入完成：Model={rep['models']} Unit={rep['units']} "
+          f"跳过={rep['skipped']} 待复核={len(rep['review'])}")
+    print(f"输出：\n  {DB_PATH}\n  {JSON_PATH}\n  {REPORT_PATH}")
+    sys.exit(0)
diff --git a/app/etl/schema.sql b/app/etl/schema.sql
new file mode 100644
index 0000000..4de8bf4
--- /dev/null
+++ b/app/etl/schema.sql
@@ -0,0 +1,77 @@
+-- 中国机车图鉴 · 数据底座 schema（SQLite，设计为可移植到 PostgreSQL）
+-- 对应任务 T-1.1。三层模型：Category -> Model -> Unit，加 Model 关系表。
+
+PRAGMA foreign_keys = ON;
+
+CREATE TABLE IF NOT EXISTS category (
+    id       INTEGER PRIMARY KEY,
+    name     TEXT NOT NULL,
+    subcat   TEXT DEFAULT '',
+    slug     TEXT,
+    UNIQUE(name, subcat)
+);
+
+CREATE TABLE IF NOT EXISTS model (
+    id               INTEGER PRIMARY KEY,
+    category_id      INTEGER NOT NULL REFERENCES category(id),
+    series           TEXT DEFAULT '',
+    model_code       TEXT NOT NULL,
+    full_name        TEXT DEFAULT '',
+    aliases          TEXT DEFAULT '',
+    manufacturer     TEXT DEFAULT '',
+    country          TEXT DEFAULT '中国',
+    country_type     TEXT DEFAULT '国产',   -- 国产/进口/引进仿制/中外合资/未知
+    first_year       INTEGER,
+    last_year        INTEGER,
+    status           TEXT DEFAULT '未知',
+    usage            TEXT DEFAULT '',
+    production_count TEXT DEFAULT '',
+    axle_arrangement TEXT DEFAULT '',
+    drive            TEXT DEFAULT '',
+    efficiency       TEXT DEFAULT '',
+    -- 数值 + 单位（拆分存储）
+    length_value REAL, length_unit TEXT,
+    width_value  REAL, width_unit  TEXT,
+    height_value REAL, height_unit TEXT,
+    wheelbase_value REAL, wheelbase_unit TEXT,
+    weight_value REAL, weight_unit TEXT,
+    axle_load_value REAL, axle_load_unit TEXT,
+    load_value   REAL, load_unit   TEXT,
+    tractive_start_value REAL, tractive_start_unit TEXT,
+    tractive_cont_value  REAL, tractive_cont_unit  TEXT,
+    power_kw_value REAL, power_kw_unit TEXT,
+    max_speed_value REAL, max_speed_unit TEXT,
+    capacity_value REAL, capacity_unit TEXT,
+    raw_json         TEXT,        -- 原始清洗后所有列，保真不丢字段
+    source_sheet     TEXT
+);
+CREATE INDEX IF NOT EXISTS idx_model_category ON model(category_id);
+CREATE INDEX IF NOT EXISTS idx_model_code ON model(model_code);
+CREATE INDEX IF NOT EXISTS idx_model_first_year ON model(first_year);
+
+CREATE TABLE IF NOT EXISTS unit (
+    id           INTEGER PRIMARY KEY,
+    category_id  INTEGER NOT NULL REFERENCES category(id),
+    model_id     INTEGER REFERENCES model(id),
+    car_number   TEXT,
+    model_name   TEXT DEFAULT '',
+    function     TEXT DEFAULT '',
+    depot        TEXT DEFAULT '',
+    livery       TEXT DEFAULT '',
+    status       TEXT DEFAULT '未知',
+    location     TEXT DEFAULT '',
+    note         TEXT DEFAULT '',
+    raw_json     TEXT,
+    source_sheet TEXT
+);
+CREATE INDEX IF NOT EXISTS idx_unit_category ON unit(category_id);
+CREATE INDEX IF NOT EXISTS idx_unit_car_number ON unit(car_number);
+
+-- 车型族谱关系（父型号/衍生/国外原型），本期预留，后续填充
+CREATE TABLE IF NOT EXISTS model_relation (
+    id            INTEGER PRIMARY KEY,
+    from_model_id INTEGER NOT NULL REFERENCES model(id),
+    to_model_id   INTEGER NOT NULL REFERENCES model(id),
+    rel_type      TEXT NOT NULL,  -- parent / derivative / prototype
+    UNIQUE(from_model_id, to_model_id, rel_type)
+);
diff --git a/app/tests/__init__.py b/app/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/tests/__pycache__/test_clean.cpython-312.pyc b/app/tests/__pycache__/test_clean.cpython-312.pyc
new file mode 100644
index 0000000..8d6913d
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diff --git a/app/tests/__pycache__/test_field_dict.cpython-312.pyc b/app/tests/__pycache__/test_field_dict.cpython-312.pyc
new file mode 100644
index 0000000..7dfdcd3
Binary files /dev/null and b/app/tests/__pycache__/test_field_dict.cpython-312.pyc differ
diff --git a/app/tests/__pycache__/test_importer.cpython-312.pyc b/app/tests/__pycache__/test_importer.cpython-312.pyc
new file mode 100644
index 0000000..01f0d48
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diff --git a/app/tests/test_clean.py b/app/tests/test_clean.py
new file mode 100644
index 0000000..f75c72f
--- /dev/null
+++ b/app/tests/test_clean.py
@@ -0,0 +1,109 @@
+"""清洗规则单元测试 — 对应 T-1.2 UT。"""
+import os
+import sys
+import unittest
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
+
+from app.etl import clean as cl
+
+
+class TestCleanCell(unittest.TestCase):
+    def test_strip_newlines_and_spaces(self):
+        self.assertEqual(cl.clean_cell("东\n\n\n风"), "东风")
+        self.assertEqual(cl.clean_cell("  HXD1  型 "), "HXD1 型")
+
+    def test_none(self):
+        self.assertEqual(cl.clean_cell(None), "")
+
+    def test_is_empty(self):
+        for v in ["", "-", "——", "—", "/", None, "无"]:
+            self.assertTrue(cl.is_empty(v), v)
+        self.assertFalse(cl.is_empty("现役"))
+
+
+class TestParseValueUnit(unittest.TestCase):
+    def test_plain_number(self):
+        v, u, _ = cl.parse_value_unit("126.0", "t")
+        self.assertEqual(v, 126.0)
+        self.assertEqual(u, "t")
+
+    def test_with_unit_in_text(self):
+        v, u, _ = cl.parse_value_unit("400km/h（试验）")
+        self.assertEqual(v, 400.0)
+        self.assertEqual(u, "km/h")
+
+    def test_speed_with_default_unit(self):
+        v, u, _ = cl.parse_value_unit("160km/h", "km/h")
+        self.assertEqual(v, 160.0)
+        self.assertEqual(u, "km/h")
+
+    def test_axle_load_with_paren(self):
+        v, u, _ = cl.parse_value_unit("23(25)", "t")
+        self.assertEqual(v, 23.0)
+        self.assertEqual(u, "t")
+
+    def test_composite_takes_first_number(self):
+        v, u, _ = cl.parse_value_unit("2×92(100)", "t")
+        self.assertEqual(v, 2.0)  # 取第一个数值，原文保真在 raw_json
+
+    def test_empty_markers(self):
+        for raw in ["——", "-", "", "/"]:
+            v, u, txt = cl.parse_value_unit(raw, "t")
+            self.assertIsNone(v)
+            self.assertEqual(u, "")
+
+    def test_no_number(self):
+        v, u, txt = cl.parse_value_unit("交-直-交传动", "")
+        self.assertIsNone(v)
+        self.assertEqual(txt, "交-直-交传动")
+
+
+class TestParseYear(unittest.TestCase):
+    def test_year_with_char(self):
+        self.assertEqual(cl.parse_year("1971 年"), 1971)
+
+    def test_year_datetime(self):
+        self.assertEqual(cl.parse_year("2007-12-22 00:00:00"), 2007)
+
+    def test_year_plain(self):
+        self.assertEqual(cl.parse_year("2006"), 2006)
+
+    def test_year_dashes(self):
+        self.assertIsNone(cl.parse_year("——"))
+        self.assertIsNone(cl.parse_year(""))
+
+
+class TestNormalizeStatus(unittest.TestCase):
+    def test_mapping(self):
+        self.assertEqual(cl.normalize_status("半封存"), "半封存")
+        self.assertEqual(cl.normalize_status("封存"), "封存")
+        self.assertEqual(cl.normalize_status("已淘汰"), "退役")
+        self.assertEqual(cl.normalize_status("样车"), "试验")
+        self.assertEqual(cl.normalize_status(""), "未知")
+
+
+class TestInferCountryType(unittest.TestCase):
+    def test_default_domestic(self):
+        self.assertEqual(cl.infer_country_type("大连机车车辆厂"), "国产")
+
+    def test_import(self):
+        self.assertEqual(cl.infer_country_type("苏联引进"), "引进仿制")
+        self.assertEqual(cl.infer_country_type("日本制造"), "进口")
+
+    def test_joint(self):
+        self.assertEqual(cl.infer_country_type("中外合资生产"), "中外合资")
+
+
+class TestForwardFill(unittest.TestCase):
+    def test_fill(self):
+        self.assertEqual(
+            cl.forward_fill(["东风", "", "", "韶山", ""]),
+            ["东风", "东风", "东风", "韶山", "韶山"])
+
+    def test_leading_empty(self):
+        self.assertEqual(cl.forward_fill(["", "A"]), ["", "A"])
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/app/tests/test_field_dict.py b/app/tests/test_field_dict.py
new file mode 100644
index 0000000..e27b3da
--- /dev/null
+++ b/app/tests/test_field_dict.py
@@ -0,0 +1,44 @@
+"""字段字典/映射单元测试 — 对应 T-1.1 UT。"""
+import os
+import sys
+import unittest
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
+
+from app.etl import field_dict as fd
+
+
+class TestHeaderMapping(unittest.TestCase):
+    def test_basic(self):
+        self.assertEqual(fd.map_header("型号"), "model_code")
+        self.assertEqual(fd.map_header("车号"), "car_number")
+        self.assertEqual(fd.map_header("系列"), "series")
+
+    def test_with_spaces_and_newlines(self):
+        self.assertEqual(fd.map_header("车体长度 /mm"), "length")
+        self.assertEqual(fd.map_header("牵引力 (起动)/kN"), "tractive_start")
+        self.assertEqual(fd.map_header("最高运营时速"), "max_speed")
+
+    def test_unknown(self):
+        self.assertIsNone(fd.map_header("不存在的列"))
+
+    def test_normalize(self):
+        self.assertEqual(fd.normalize_header("车体长度 /mm"), "车体长度/mm")
+        self.assertEqual(fd.normalize_header("东\n风"), "东风")
+
+
+class TestConfig(unittest.TestCase):
+    def test_all_12_sheets_configured(self):
+        self.assertEqual(len(fd.CATEGORY_CONFIG), 12)
+
+    def test_grain_values(self):
+        for cfg in fd.CATEGORY_CONFIG.values():
+            self.assertIn(cfg["grain"], ("model", "unit"))
+
+    def test_numeric_fields_have_synonyms(self):
+        for field in fd.NUMERIC_UNIT_FIELDS:
+            self.assertIn(field, fd.FIELD_SYNONYMS, field)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/app/tests/test_importer.py b/app/tests/test_importer.py
new file mode 100644
index 0000000..1306f60
--- /dev/null
+++ b/app/tests/test_importer.py
@@ -0,0 +1,64 @@
+"""导入管线集成/幂等性测试 — 对应 T-1.2 UT/E2E。"""
+import os
+import sqlite3
+import sys
+import tempfile
+import unittest
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
+
+from app.etl import importer
+
+
+class TestHeaderDetection(unittest.TestCase):
+    def test_find_header_row_skips_title(self):
+        rows = [["全国电力机车型号表"], [], ["型号", "首产时间", "停产时间", "生产商"]]
+        self.assertEqual(importer.find_header_row(rows), 2)
+
+    def test_build_column_map(self):
+        header = ["系列", "型号", "首产时间", "未知列X"]
+        cmap = importer.build_column_map(header)
+        self.assertEqual(cmap[0], "series")
+        self.assertEqual(cmap[1], "model_code")
+        self.assertEqual(cmap[2], "first_year")
+        self.assertTrue(cmap[3].startswith("raw::"))
+
+
+class TestFullImport(unittest.TestCase):
+    """跑真实 12 表导入，断言结果与幂等性。"""
+
+    def setUp(self):
+        self.tmp = tempfile.mkdtemp()
+        self.db = os.path.join(self.tmp, "t.db")
+
+    def test_import_and_idempotent(self):
+        if not os.path.isdir(importer.CSV_DIR):
+            self.skipTest("CSV 目录不存在")
+        r1 = importer.import_all(db_path=self.db)
+        self.assertGreater(r1["models"], 0)
+        self.assertGreater(r1["units"], 0)
+        conn = sqlite3.connect(self.db)
+        n1 = conn.execute("SELECT COUNT(*) FROM model").fetchone()[0]
+        conn.close()
+        # 再次导入：应重建而非翻倍（幂等）
+        importer.import_all(db_path=self.db)
+        conn = sqlite3.connect(self.db)
+        n2 = conn.execute("SELECT COUNT(*) FROM model").fetchone()[0]
+        conn.close()
+        self.assertEqual(n1, n2)
+
+    def test_numeric_split_persisted(self):
+        if not os.path.isdir(importer.CSV_DIR):
+            self.skipTest("CSV 目录不存在")
+        importer.import_all(db_path=self.db)
+        conn = sqlite3.connect(self.db)
+        row = conn.execute(
+            "SELECT max_speed_value, max_speed_unit FROM model "
+            "WHERE max_speed_value IS NOT NULL LIMIT 1").fetchone()
+        conn.close()
+        self.assertIsNotNone(row)
+        self.assertIsInstance(row[0], float)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/apps/api/.env.example b/apps/api/.env.example
new file mode 100644
index 0000000..914bf2d
--- /dev/null
+++ b/apps/api/.env.example
@@ -0,0 +1,5 @@
+# 复制为 .env 并填入你的密钥（AI 识车需要）
+# 通义千问 DashScope API Key：https://dashscope.console.aliyun.com/
+DASHSCOPE_API_KEY=
+# 可选：视觉模型，默认 qwen-vl-plus（也可用 qwen-vl-max）
+# DASHSCOPE_VL_MODEL=qwen-vl-plus
diff --git a/apps/api/.gitignore b/apps/api/.gitignore
new file mode 100644
index 0000000..c2721ae
--- /dev/null
+++ b/apps/api/.gitignore
@@ -0,0 +1,5 @@
+node_modules/
+dist/
+coverage/
+*.log
+.env
diff --git a/apps/api/bench.mjs b/apps/api/bench.mjs
new file mode 100644
index 0000000..7e04e23
--- /dev/null
+++ b/apps/api/bench.mjs
@@ -0,0 +1,39 @@
+// 简易性能基准 — 对应 T-1.8 性能验收。
+// 用法：先启动 API（node dist/main.js），再 `node bench.mjs`
+const BASE = process.env.BENCH_BASE || 'http://127.0.0.1:3001';
+const N = Number(process.env.BENCH_N || 200);
+
+function pct(arr, p) {
+  const s = [...arr].sort((a, b) => a - b);
+  return s[Math.min(s.length - 1, Math.floor((p / 100) * s.length))];
+}
+
+async function bench(name, path, threshold) {
+  const lat = [];
+  // 预热
+  for (let i = 0; i < 5; i++) await fetch(`${BASE}${path}`);
+  for (let i = 0; i < N; i++) {
+    const t = performance.now();
+    const res = await fetch(`${BASE}${path}`);
+    await res.text();
+    lat.push(performance.now() - t);
+  }
+  const p50 = pct(lat, 50);
+  const p95 = pct(lat, 95);
+  const ok = p95 < threshold;
+  console.log(
+    `${ok ? '✓' : '✗'} ${name.padEnd(16)} p50=${p50.toFixed(1)}ms ` +
+      `p95=${p95.toFixed(1)}ms (阈值 ${threshold}ms)`,
+  );
+  return ok;
+}
+
+const results = [];
+results.push(await bench('list', '/api/models?pageSize=24', 1500));
+results.push(await bench('list+filter', '/api/models?category=动车组&sort=max_speed_value&order=desc', 1500));
+results.push(await bench('detail', '/api/models/1', 1500));
+results.push(await bench('search', '/api/search?q=HXD', 500));
+
+const allOk = results.every(Boolean);
+console.log(`\n基准结果：${allOk ? '全部达标 ✓' : '存在未达标项 ✗'}（每项 ${N} 次请求）`);
+process.exit(allOk ? 0 : 1);
diff --git a/apps/api/nest-cli.json b/apps/api/nest-cli.json
new file mode 100644
index 0000000..d7214eb
--- /dev/null
+++ b/apps/api/nest-cli.json
@@ -0,0 +1,7 @@
+{
+  "collection": "@nestjs/schematics",
+  "sourceRoot": "src",
+  "compilerOptions": {
+    "deleteOutDir": true
+  }
+}
diff --git a/apps/api/package-lock.json b/apps/api/package-lock.json
new file mode 100644
index 0000000..e807032
--- /dev/null
+++ b/apps/api/package-lock.json
@@ -0,0 +1,8576 @@
+{
+  "name": "@train/api",
+  "version": "0.1.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@train/api",
+      "version": "0.1.0",
+      "dependencies": {
+        "@nestjs/common": "^10.4.4",
+        "@nestjs/core": "^10.4.4",
+        "@nestjs/jwt": "^11.0.2",
+        "@nestjs/platform-express": "^10.4.4",
+        "bcryptjs": "^3.0.3",
+        "better-sqlite3": "^11.3.0",
+        "class-transformer": "^0.5.1",
+        "class-validator": "^0.14.1",
+        "reflect-metadata": "^0.2.2",
+        "rxjs": "^7.8.1"
+      },
+      "devDependencies": {
+        "@nestjs/cli": "^10.4.5",
+        "@nestjs/schematics": "^10.1.4",
+        "@nestjs/testing": "^10.4.4",
+        "@types/bcryptjs": "^2.4.6",
+        "@types/better-sqlite3": "^7.6.11",
+        "@types/express": "^5.0.0",
+        "@types/jest": "^29.5.13",
+        "@types/multer": "^2.1.0",
+        "@types/node": "^22.7.4",
+        "@types/supertest": "^6.0.2",
+        "jest": "^29.7.0",
+        "supertest": "^7.0.0",
+        "ts-jest": "^29.2.5",
+        "ts-loader": "^9.5.1",
+        "tsconfig-paths": "^4.2.0",
+        "typescript": "^5.6.2"
+      }
+    },
+    "node_modules/@angular-devkit/core": {
+      "version": "17.3.11",
+      "resolved": "https://registry.npmmirror.com/@angular-devkit/core/-/core-17.3.11.tgz",
+      "integrity": "sha512-vTNDYNsLIWpYk2I969LMQFH29GTsLzxNk/0cLw5q56ARF0v5sIWfHYwGTS88jdDqIpuuettcSczbxeA7EuAmqQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "ajv": "8.12.0",
+        "ajv-formats": "2.1.1",
+        "jsonc-parser": "3.2.1",
+        "picomatch": "4.0.1",
+        "rxjs": "7.8.1",
+        "source-map": "0.7.4"
+      },
+      "engines": {
+        "node": "^18.13.0 || >=20.9.0",
+        "npm": "^6.11.0 || ^7.5.6 || >=8.0.0",
+        "yarn": ">= 1.13.0"
+      },
+      "peerDependencies": {
+        "chokidar": "^3.5.2"
+      },
+      "peerDependenciesMeta": {
+        "chokidar": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@angular-devkit/core/node_modules/rxjs": {
+      "version": "7.8.1",
+      "resolved": "https://registry.npmmirror.com/rxjs/-/rxjs-7.8.1.tgz",
+      "integrity": "sha512-AA3TVj+0A2iuIoQkWEK/tqFjBq2j+6PO6Y0zJcvzLAFhEFIO3HL0vls9hWLncZbAAbK0mar7oZ4V079I/qPMxg==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "tslib": "^2.1.0"
+      }
+    },
+    "node_modules/@angular-devkit/schematics": {
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+    },
+    "node_modules/write-file-atomic": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmmirror.com/write-file-atomic/-/write-file-atomic-4.0.2.tgz",
+      "integrity": "sha512-7KxauUdBmSdWnmpaGFg+ppNjKF8uNLry8LyzjauQDOVONfFLNKrKvQOxZ/VuTIcS/gge/YNahf5RIIQWTSarlg==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.7"
+      },
+      "engines": {
+        "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
+      }
+    },
+    "node_modules/write-file-atomic/node_modules/signal-exit": {
+      "version": "3.0.7",
+      "resolved": "https://registry.npmmirror.com/signal-exit/-/signal-exit-3.0.7.tgz",
+      "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==",
+      "dev": true,
+      "license": "ISC"
+    },
+    "node_modules/xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmmirror.com/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.4"
+      }
+    },
+    "node_modules/y18n": {
+      "version": "5.0.8",
+      "resolved": "https://registry.npmmirror.com/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmmirror.com/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+      "dev": true,
+      "license": "ISC"
+    },
+    "node_modules/yargs": {
+      "version": "17.7.2",
+      "resolved": "https://registry.npmmirror.com/yargs/-/yargs-17.7.2.tgz",
+      "integrity": "sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "cliui": "^8.0.1",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
+        "require-directory": "^2.1.1",
+        "string-width": "^4.2.3",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^21.1.1"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/yargs-parser": {
+      "version": "21.1.1",
+      "resolved": "https://registry.npmmirror.com/yargs-parser/-/yargs-parser-21.1.1.tgz",
+      "integrity": "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmmirror.com/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    }
+  }
+}
diff --git a/apps/api/package.json b/apps/api/package.json
new file mode 100644
index 0000000..ed329d7
--- /dev/null
+++ b/apps/api/package.json
@@ -0,0 +1,62 @@
+{
+  "name": "@train/api",
+  "version": "0.1.0",
+  "description": "中国机车图鉴 后端 API (NestJS)",
+  "private": true,
+  "scripts": {
+    "build": "nest build",
+    "start": "nest start",
+    "start:dev": "nest start --watch",
+    "start:prod": "node dist/main.js",
+    "test": "jest",
+    "test:e2e": "jest --config ./test/jest-e2e.json",
+    "fetch-images": "node scripts/fetch-images.mjs"
+  },
+  "dependencies": {
+    "@nestjs/common": "^10.4.4",
+    "@nestjs/core": "^10.4.4",
+    "@nestjs/jwt": "^11.0.2",
+    "@nestjs/platform-express": "^10.4.4",
+    "bcryptjs": "^3.0.3",
+    "better-sqlite3": "^11.3.0",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.14.1",
+    "reflect-metadata": "^0.2.2",
+    "rxjs": "^7.8.1"
+  },
+  "devDependencies": {
+    "@nestjs/cli": "^10.4.5",
+    "@nestjs/schematics": "^10.1.4",
+    "@nestjs/testing": "^10.4.4",
+    "@types/bcryptjs": "^2.4.6",
+    "@types/better-sqlite3": "^7.6.11",
+    "@types/express": "^5.0.0",
+    "@types/jest": "^29.5.13",
+    "@types/multer": "^2.1.0",
+    "@types/node": "^22.7.4",
+    "@types/supertest": "^6.0.2",
+    "jest": "^29.7.0",
+    "supertest": "^7.0.0",
+    "ts-jest": "^29.2.5",
+    "ts-loader": "^9.5.1",
+    "tsconfig-paths": "^4.2.0",
+    "typescript": "^5.6.2"
+  },
+  "jest": {
+    "moduleFileExtensions": [
+      "js",
+      "json",
+      "ts"
+    ],
+    "rootDir": "src",
+    "testRegex": ".*\\.spec\\.ts$",
+    "transform": {
+      "^.+\\.(t|j)s$": "ts-jest"
+    },
+    "collectCoverageFrom": [
+      "**/*.(t|j)s"
+    ],
+    "coverageDirectory": "../coverage",
+    "testEnvironment": "node"
+  }
+}
diff --git a/apps/api/scripts/fetch-images.mjs b/apps/api/scripts/fetch-images.mjs
new file mode 100644
index 0000000..1ebcd44
--- /dev/null
+++ b/apps/api/scripts/fetch-images.mjs
@@ -0,0 +1,255 @@
+/**
+ * 批量取图脚本（在有网络的本机运行）：
+ *   按 Wikidata P18 → Commons 同名分类 → Commons 关键词搜索 的顺序，
+ *   为每个车型下载若干张真实照片到「本地共享图库」（uploads + photos 表），
+ *   并记录署名（作者/许可证/来源）。下载后应用即从本地提供图片，运行时不再访问 Commons。
+ *
+ * 用法（在 apps/api 目录）：
+ *   node scripts/fetch-images.mjs                 # 全部缺图车型，每个 1 张
+ *   node scripts/fetch-images.mjs --per 3         # 每个车型最多 3 张
+ *   node scripts/fetch-images.mjs --limit 20      # 仅处理前 20 个缺图车型
+ *   node scripts/fetch-images.mjs --category 电力机车
+ *   node scripts/fetch-images.mjs --dry           # 只检索不下载不入库
+ *
+ * 所有下载图片一律入库为「候选(candidate)」，进入管理员「候选审图」队列，
+ * 由人工确认后才会作为封面/图册展示（候选 + 人工确认 双闸门，保证准确与合规）。
+ *
+ * 注意：需联网访问 wikidata.org / commons.wikimedia.org（自由授权，已记录署名）。
+ *       下载完成后图片保存在本地 app/data/uploads/，库表记录在 app/data/app.db。
+ */
+import Database from 'better-sqlite3';
+import { mkdirSync } from 'fs';
+import { writeFile } from 'fs/promises';
+import { join, resolve, dirname } from 'path';
+import { fileURLToPath } from 'url';
+import { randomBytes } from 'crypto';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const ROOT = resolve(__dirname, '..', '..', '..'); // Train/
+const MACHINES_DB = join(ROOT, 'app', 'data', 'machines.db');
+const APP_DB = process.env.APP_DB_PATH || join(ROOT, 'app', 'data', 'app.db');
+const UPLOAD_DIR = process.env.UPLOAD_DIR || join(ROOT, 'app', 'data', 'uploads');
+const UA = 'ChinaLocoAtlas/0.1 (image fetcher; contact admin)';
+
+const args = process.argv.slice(2);
+const opt = (k) => {
+  const i = args.indexOf(k);
+  return i >= 0 ? args[i + 1] : undefined;
+};
+const LIMIT = opt('--limit') ? Number(opt('--limit')) : Infinity;
+const PER = opt('--per') ? Math.max(1, Number(opt('--per'))) : 1;
+const CATEGORY = opt('--category');
+const DRY = args.includes('--dry');
+const STATUS = 'candidate'; // 一律入候选，交管理员「候选审图」确认
+
+const CAT_HINT = {
+  蒸汽机车: 'steam locomotive',
+  电力机车: 'electric locomotive',
+  内燃机车: 'diesel locomotive',
+  动车组: 'EMU',
+  客车: 'passenger car',
+  货车: 'freight car',
+  检测车: 'inspection car',
+  旅游列车: 'tourist train',
+};
+
+const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
+const latin = (s) => (s.match(/[A-Za-z0-9-]+/g) || []).join('');
+const strip = (h) => (h || '').replace(/<[^>]*>/g, '').replace(/\s+/g, ' ').trim();
+const isImg = (s) => /\.(jpe?g|png)$/i.test(s || '');
+
+async function api(url) {
+  const res = await fetch(url, { headers: { 'User-Agent': UA } });
+  if (!res.ok) throw new Error('HTTP ' + res.status);
+  return res.json();
+}
+
+/** 从 Commons File:xxx 取缩略图 url + 署名。*/
+async function commonsFileInfo(title) {
+  const u =
+    'https://commons.wikimedia.org/w/api.php?action=query&format=json&origin=*' +
+    `&titles=${encodeURIComponent(title)}&prop=imageinfo&iiprop=url|extmetadata&iiurlwidth=1280`;
+  const d = await api(u);
+  const pages = d?.query?.pages || {};
+  const p = Object.values(pages)[0];
+  const ii = p?.imageinfo?.[0];
+  if (!ii?.thumburl) return null;
+  const em = ii.extmetadata || {};
+  return {
+    url: ii.thumburl,
+    descriptionUrl: ii.descriptionurl || '',
+    author: strip(em.Artist?.value) || '未署名',
+    license: strip(em.LicenseShortName?.value) || '见来源',
+  };
+}
+
+/** 1) Wikidata P18 主图（最多 1 张，最准）。*/
+async function viaWikidata(model) {
+  const q = `${latin(model.model_code) || model.model_code} ${CAT_HINT[model.category] || 'train'}`;
+  const s = await api(
+    'https://www.wikidata.org/w/api.php?action=wbsearchentities&format=json&origin=*' +
+      `&language=en&type=item&limit=3&search=${encodeURIComponent(q)}`,
+  );
+  for (const hit of s?.search || []) {
+    const e = await api(
+      'https://www.wikidata.org/w/api.php?action=wbgetentities&format=json&origin=*' +
+        `&props=claims&ids=${hit.id}`,
+    );
+    const p18 = e?.entities?.[hit.id]?.claims?.P18?.[0]?.mainsnak?.datavalue?.value;
+    if (p18) {
+      const info = await commonsFileInfo('File:' + p18);
+      if (info) return [{ ...info, via: 'wikidata' }];
+    }
+  }
+  return [];
+}
+
+/** 2) Commons 同名分类（可多张）。*/
+async function viaCategory(model, want) {
+  const code = latin(model.model_code) || model.model_code;
+  const out = [];
+  for (const cat of [`Category:China Railways ${code}`, `Category:${code}`]) {
+    const d = await api(
+      'https://commons.wikimedia.org/w/api.php?action=query&format=json&origin=*' +
+        `&list=categorymembers&cmtype=file&cmlimit=20&cmtitle=${encodeURIComponent(cat)}`,
+    );
+    for (const f of d?.query?.categorymembers || []) {
+      if (!isImg(f.title)) continue;
+      const info = await commonsFileInfo(f.title);
+      if (info) out.push({ ...info, via: 'category' });
+      if (out.length >= want) return out;
+    }
+  }
+  return out;
+}
+
+/** 3) Commons 关键词搜索（最不准，兜底，可多张）。*/
+async function viaSearch(model, want) {
+  const q = `${latin(model.model_code) || model.model_code} ${CAT_HINT[model.category] || 'train'} China Railway`;
+  const d = await api(
+    'https://commons.wikimedia.org/w/api.php?action=query&format=json&origin=*' +
+      `&generator=search&gsrnamespace=6&gsrlimit=${Math.max(3, want)}&gsrsearch=${encodeURIComponent(q)}` +
+      '&prop=imageinfo&iiprop=url|extmetadata&iiurlwidth=1280',
+  );
+  const pages = d?.query?.pages || {};
+  const out = [];
+  for (const p of Object.values(pages)) {
+    const ii = p?.imageinfo?.[0];
+    if (!ii?.thumburl || !isImg(ii.thumburl)) continue;
+    const em = ii.extmetadata || {};
+    out.push({
+      url: ii.thumburl,
+      descriptionUrl: ii.descriptionurl || '',
+      author: strip(em.Artist?.value) || '未署名',
+      license: strip(em.LicenseShortName?.value) || '见来源',
+      via: 'search',
+    });
+    if (out.length >= want) break;
+  }
+  return out;
+}
+
+/** 聚合各来源，按 url 去重，返回最多 want 张。*/
+async function collectImages(model, want) {
+  const seen = new Set();
+  const out = [];
+  const push = (arr) => {
+    for (const it of arr) {
+      if (out.length >= want) break;
+      if (seen.has(it.url)) continue;
+      seen.add(it.url);
+      out.push(it);
+    }
+  };
+  push(await viaWikidata(model));
+  if (out.length < want) push(await viaCategory(model, want - out.length));
+  if (out.length < want) push(await viaSearch(model, want - out.length));
+  return out;
+}
+
+async function main() {
+  mkdirSync(UPLOAD_DIR, { recursive: true });
+  const mdb = new Database(MACHINES_DB, { readonly: true });
+  const adb = new Database(APP_DB);
+
+  const admin =
+    adb.prepare("SELECT id FROM users WHERE role='admin' ORDER BY id LIMIT 1").get() ||
+    adb.prepare('SELECT id FROM users ORDER BY id LIMIT 1').get();
+  if (!admin) {
+    console.error('找不到用户：请先启动后端注册一个管理员（或设 ADMIN_EMAIL）。');
+    process.exit(1);
+  }
+
+  const where = CATEGORY ? 'WHERE c.name = ?' : '';
+  const models = mdb
+    .prepare(
+      `SELECT m.id, m.model_code, c.name AS category
+       FROM model m JOIN category c ON c.id = m.category_id ${where}
+       ORDER BY m.id`,
+    )
+    .all(...(CATEGORY ? [CATEGORY] : []));
+
+  const hasPhoto = adb.prepare('SELECT 1 FROM photos WHERE model_id = ? LIMIT 1');
+  const insert = adb.prepare(
+    `INSERT INTO photos (model_id, uploader_id, filename, caption, status, source_url, author, license)
+     VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
+  );
+
+  console.log(
+    `取图：每车型最多 ${PER} 张，入库状态=候选(candidate)${DRY ? '（dry-run）' : ''}；保存到 ${UPLOAD_DIR}`,
+  );
+
+  const report = [];
+  let done = 0;
+  let saved = 0;
+  for (const m of models) {
+    if (done >= LIMIT) break;
+    if (hasPhoto.get(m.id)) continue;
+    done++;
+    let hits = [];
+    try {
+      hits = await collectImages(m, PER);
+    } catch (e) {
+      report.push(`✗ ${m.model_code}：检索出错 ${e.message}`);
+      await sleep(300);
+      continue;
+    }
+    if (hits.length === 0) {
+      report.push(`— ${m.model_code}：未找到`);
+      await sleep(200);
+      continue;
+    }
+    if (DRY) {
+      report.push(`✓ ${m.model_code}：[dry] ${hits.map((h) => h.via).join(',')} (${hits.length} 张)`);
+      await sleep(200);
+      continue;
+    }
+    let n = 0;
+    for (const hit of hits) {
+      try {
+        const buf = Buffer.from(
+          await (await fetch(hit.url, { headers: { 'User-Agent': UA } })).arrayBuffer(),
+        );
+        const ext = (hit.url.match(/\.(jpe?g|png)/i) || ['.jpg'])[0].toLowerCase();
+        const fn = `${Date.now()}-${randomBytes(6).toString('hex')}${ext}`;
+        await writeFile(join(UPLOAD_DIR, fn), buf);
+        insert.run(m.id, admin.id, fn, `${m.model_code}（${hit.via}）`, STATUS, hit.descriptionUrl, hit.author, hit.license);
+        n++;
+        saved++;
+      } catch (e) {
+        report.push(`✗ ${m.model_code}：下载失败 ${e.message}`);
+      }
+      await sleep(300); // 礼貌限速
+    }
+    if (n > 0) report.push(`✓ ${m.model_code}：入库 ${n} 张（${STATUS}）`);
+  }
+
+  const ok = report.filter((r) => r.startsWith('✓')).length;
+  const miss = report.filter((r) => r.startsWith('—')).length;
+  const err = report.filter((r) => r.startsWith('✗')).length;
+  console.log(report.join('\n'));
+  console.log(`\n命中 ${ok} · 未找到 ${miss} · 出错 ${err}（处理 ${done} 个车型，保存 ${saved} 张）`);
+  console.log('候选图已入库，请用管理员在网页"候选审图 / 图册"逐个确认后作为封面展示。');
+}
+
+main();
diff --git a/apps/api/src/app.module.ts b/apps/api/src/app.module.ts
new file mode 100644
index 0000000..3bfdade
--- /dev/null
+++ b/apps/api/src/app.module.ts
@@ -0,0 +1,37 @@
+import { Module } from '@nestjs/common';
+import { DatabaseModule } from './db/database.module';
+import { WritableDbModule } from './db/writable-db.module';
+import { CategoriesModule } from './categories/categories.module';
+import { ModelsModule } from './models/models.module';
+import { UnitsModule } from './units/units.module';
+import { SearchModule } from './search/search.module';
+import { AuthModule } from './auth/auth.module';
+import { ContribModule } from './contrib/contrib.module';
+import { CommunityModule } from './community/community.module';
+import { ForumModule } from './forum/forum.module';
+import { SightingsModule } from './sightings/sightings.module';
+import { StatsModule } from './stats/stats.module';
+import { PhotosModule } from './photos/photos.module';
+import { IdentifyModule } from './identify/identify.module';
+import { HealthController } from './health.controller';
+
+@Module({
+  imports: [
+    DatabaseModule,
+    WritableDbModule,
+    AuthModule,
+    CategoriesModule,
+    ModelsModule,
+    UnitsModule,
+    SearchModule,
+    ContribModule,
+    CommunityModule,
+    ForumModule,
+    SightingsModule,
+    StatsModule,
+    PhotosModule,
+    IdentifyModule,
+  ],
+  controllers: [HealthController],
+})
+export class AppModule {}
diff --git a/apps/api/src/auth/auth.controller.ts b/apps/api/src/auth/auth.controller.ts
new file mode 100644
index 0000000..d1a8ed0
--- /dev/null
+++ b/apps/api/src/auth/auth.controller.ts
@@ -0,0 +1,25 @@
+import { Body, Controller, Get, Post, UseGuards } from '@nestjs/common';
+import { AuthService } from './auth.service';
+import { LoginDto, RegisterDto } from './dto';
+import { CurrentUser, JwtAuthGuard, type JwtPayload } from './roles';
+
+@Controller('api/auth')
+export class AuthController {
+  constructor(private readonly auth: AuthService) {}
+
+  @Post('register')
+  register(@Body() dto: RegisterDto) {
+    return this.auth.register(dto);
+  }
+
+  @Post('login')
+  login(@Body() dto: LoginDto) {
+    return this.auth.login(dto);
+  }
+
+  @Get('me')
+  @UseGuards(JwtAuthGuard)
+  me(@CurrentUser() user: JwtPayload) {
+    return this.auth.me(user.sub);
+  }
+}
diff --git a/apps/api/src/auth/auth.module.ts b/apps/api/src/auth/auth.module.ts
new file mode 100644
index 0000000..149d20f
--- /dev/null
+++ b/apps/api/src/auth/auth.module.ts
@@ -0,0 +1,20 @@
+import { Module } from '@nestjs/common';
+import { JwtModule } from '@nestjs/jwt';
+import { AuthController } from './auth.controller';
+import { AuthService } from './auth.service';
+import { JwtAuthGuard, RolesGuard } from './roles';
+
+export const JWT_SECRET = process.env.JWT_SECRET || 'dev-secret-change-me';
+
+@Module({
+  imports: [
+    JwtModule.register({
+      secret: JWT_SECRET,
+      signOptions: { expiresIn: '7d' },
+    }),
+  ],
+  controllers: [AuthController],
+  providers: [AuthService, JwtAuthGuard, RolesGuard],
+  exports: [AuthService, JwtAuthGuard, RolesGuard, JwtModule],
+})
+export class AuthModule {}
diff --git a/apps/api/src/auth/auth.service.spec.ts b/apps/api/src/auth/auth.service.spec.ts
new file mode 100644
index 0000000..65889f1
--- /dev/null
+++ b/apps/api/src/auth/auth.service.spec.ts
@@ -0,0 +1,66 @@
+import Database from 'better-sqlite3';
+import { JwtService } from '@nestjs/jwt';
+import { ConflictException, UnauthorizedException } from '@nestjs/common';
+import { AuthService } from './auth.service';
+
+/** AuthService 单元测试 — 对应 T-2.1 UT。*/
+function makeService() {
+  const db = new Database(':memory:');
+  db.exec(`CREATE TABLE users (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    email TEXT NOT NULL UNIQUE,
+    password_hash TEXT NOT NULL,
+    display_name TEXT NOT NULL,
+    role TEXT NOT NULL DEFAULT 'user',
+    contribution_points INTEGER NOT NULL DEFAULT 0,
+    created_at TEXT NOT NULL DEFAULT (datetime('now'))
+  );`);
+  const jwt = new JwtService({ secret: 'test-secret', signOptions: { expiresIn: '1h' } });
+  const svc = new AuthService({ db } as any, jwt);
+  return { svc, jwt, db };
+}
+
+describe('AuthService', () => {
+  it('注册返回 token 与用户，密码不外泄', async () => {
+    const { svc } = makeService();
+    const { token, user } = await svc.register({
+      email: 'A@Example.com',
+      password: 'secret123',
+      displayName: '老司机',
+    });
+    expect(token).toBeTruthy();
+    expect(user.email).toBe('a@example.com'); // 规范化小写
+    expect(user.role).toBe('user');
+    expect((user as any).password_hash).toBeUndefined();
+  });
+
+  it('重复邮箱注册抛 409', async () => {
+    const { svc } = makeService();
+    const dto = { email: 'b@x.com', password: 'secret123', displayName: '阿强' };
+    await svc.register(dto);
+    await expect(svc.register(dto)).rejects.toBeInstanceOf(ConflictException);
+  });
+
+  it('登录校验密码，错误抛 401', async () => {
+    const { svc } = makeService();
+    await svc.register({ email: 'c@x.com', password: 'secret123', displayName: 'C' });
+    const ok = await svc.login({ email: 'c@x.com', password: 'secret123' });
+    expect(ok.token).toBeTruthy();
+    await expect(
+      svc.login({ email: 'c@x.com', password: 'wrongpass' }),
+    ).rejects.toBeInstanceOf(UnauthorizedException);
+  });
+
+  it('签发的 token 可被验证且含角色', async () => {
+    const { svc, jwt } = makeService();
+    const { token } = await svc.register({
+      email: 'd@x.com',
+      password: 'secret123',
+      displayName: 'D',
+    });
+    const payload = jwt.verify(token);
+    expect(payload.email).toBe('d@x.com');
+    expect(payload.role).toBe('user');
+    expect(payload.sub).toBeGreaterThan(0);
+  });
+});
diff --git a/apps/api/src/auth/auth.service.ts b/apps/api/src/auth/auth.service.ts
new file mode 100644
index 0000000..68f5699
--- /dev/null
+++ b/apps/api/src/auth/auth.service.ts
@@ -0,0 +1,135 @@
+import {
+  ConflictException,
+  Injectable,
+  OnModuleInit,
+  UnauthorizedException,
+} from '@nestjs/common';
+import { JwtService } from '@nestjs/jwt';
+import * as bcrypt from 'bcryptjs';
+import { WritableDbService } from '../db/writable-db.service';
+import { LoginDto, RegisterDto } from './dto';
+import type { JwtPayload, Role } from './roles';
+import { badgesFor, levelFor, type Badge, type LevelInfo } from '../community/levels';
+
+export interface PublicUser {
+  id: number;
+  email: string;
+  displayName: string;
+  role: Role;
+  contributionPoints: number;
+  createdAt: string;
+}
+
+export interface UserStats extends PublicUser {
+  level: LevelInfo;
+  approvedCount: number;
+  badges: Badge[];
+}
+
+@Injectable()
+export class AuthService implements OnModuleInit {
+  constructor(
+    private readonly database: WritableDbService,
+    private readonly jwt: JwtService,
+  ) {}
+
+  /** 开机预置测试账号，便于演示/测试（生产可用 SEED_TEST_USERS=false 关闭）。*/
+  onModuleInit() {
+    if (process.env.SEED_TEST_USERS === 'false') return;
+    const accounts: { email: string; password: string; displayName: string; role: Role }[] = [
+      { email: 'admin@demo.com', password: 'demo1234', displayName: '演示管理员', role: 'admin' },
+      { email: 'mod@demo.com', password: 'demo1234', displayName: '演示版主', role: 'moderator' },
+      { email: 'user@demo.com', password: 'demo1234', displayName: '演示用户', role: 'user' },
+    ];
+    const db = this.database.db;
+    for (const a of accounts) {
+      const email = a.email.toLowerCase();
+      const existing: any = db
+        .prepare('SELECT id, role FROM users WHERE email = ?')
+        .get(email);
+      if (existing) {
+        if (existing.role !== a.role) {
+          db.prepare('UPDATE users SET role = ? WHERE id = ?').run(a.role, existing.id);
+        }
+        continue;
+      }
+      db.prepare(
+        `INSERT INTO users (email, password_hash, display_name, role)
+         VALUES (?, ?, ?, ?)`,
+      ).run(email, bcrypt.hashSync(a.password, 10), a.displayName, a.role);
+    }
+  }
+
+  private toPublic(row: any): PublicUser {
+    return {
+      id: row.id,
+      email: row.email,
+      displayName: row.display_name,
+      role: row.role,
+      contributionPoints: row.contribution_points,
+      createdAt: row.created_at,
+    };
+  }
+
+  private sign(user: PublicUser): string {
+    const payload: JwtPayload = {
+      sub: user.id,
+      email: user.email,
+      role: user.role,
+    };
+    return this.jwt.sign(payload);
+  }
+
+  async register(dto: RegisterDto): Promise<{ token: string; user: PublicUser }> {
+    const db = this.database.db;
+    const email = dto.email.trim().toLowerCase();
+    const exists = db.prepare('SELECT 1 FROM users WHERE email = ?').get(email);
+    if (exists) throw new ConflictException('该邮箱已注册');
+    const hash = await bcrypt.hash(dto.password, 10);
+    const adminEmail = (process.env.ADMIN_EMAIL || '').trim().toLowerCase();
+    const role: Role = adminEmail && email === adminEmail ? 'admin' : 'user';
+    const info = db
+      .prepare(
+        `INSERT INTO users (email, password_hash, display_name, role)
+         VALUES (?, ?, ?, ?)`,
+      )
+      .run(email, hash, dto.displayName.trim(), role);
+    const row = db
+      .prepare('SELECT * FROM users WHERE id = ?')
+      .get(info.lastInsertRowid);
+    const user = this.toPublic(row);
+    return { token: this.sign(user), user };
+  }
+
+  async login(dto: LoginDto): Promise<{ token: string; user: PublicUser }> {
+    const db = this.database.db;
+    const email = dto.email.trim().toLowerCase();
+    const row: any = db.prepare('SELECT * FROM users WHERE email = ?').get(email);
+    if (!row) throw new UnauthorizedException('邮箱或密码错误');
+    const ok = await bcrypt.compare(dto.password, row.password_hash);
+    if (!ok) throw new UnauthorizedException('邮箱或密码错误');
+    const user = this.toPublic(row);
+    return { token: this.sign(user), user };
+  }
+
+  me(userId: number): UserStats {
+    const row = this.database.db
+      .prepare('SELECT * FROM users WHERE id = ?')
+      .get(userId);
+    if (!row) throw new UnauthorizedException('用户不存在');
+    const user = this.toPublic(row);
+    const approvedCount = (
+      this.database.db
+        .prepare(
+          "SELECT COUNT(*) AS n FROM revisions WHERE author_id = ? AND status = 'approved'",
+        )
+        .get(userId) as { n: number }
+    ).n;
+    return {
+      ...user,
+      level: levelFor(user.contributionPoints),
+      approvedCount,
+      badges: badgesFor(user.contributionPoints, approvedCount),
+    };
+  }
+}
diff --git a/apps/api/src/auth/dto.ts b/apps/api/src/auth/dto.ts
new file mode 100644
index 0000000..7bd3de8
--- /dev/null
+++ b/apps/api/src/auth/dto.ts
@@ -0,0 +1,25 @@
+import { IsEmail, IsString, MaxLength, MinLength } from 'class-validator';
+
+export class RegisterDto {
+  @IsEmail({}, { message: '邮箱格式不正确' })
+  email!: string;
+
+  @IsString()
+  @MinLength(6, { message: '密码至少 6 位' })
+  @MaxLength(72)
+  password!: string;
+
+  @IsString()
+  @MinLength(2, { message: '昵称至少 2 个字符' })
+  @MaxLength(30)
+  displayName!: string;
+}
+
+export class LoginDto {
+  @IsEmail({}, { message: '邮箱格式不正确' })
+  email!: string;
+
+  @IsString()
+  @MinLength(6)
+  password!: string;
+}
diff --git a/apps/api/src/auth/roles.ts b/apps/api/src/auth/roles.ts
new file mode 100644
index 0000000..d1f14b7
--- /dev/null
+++ b/apps/api/src/auth/roles.ts
@@ -0,0 +1,81 @@
+import {
+  CanActivate,
+  ExecutionContext,
+  Injectable,
+  SetMetadata,
+  UnauthorizedException,
+  ForbiddenException,
+  createParamDecorator,
+} from '@nestjs/common';
+import { Reflector } from '@nestjs/core';
+import { JwtService } from '@nestjs/jwt';
+
+export type Role = 'guest' | 'user' | 'trusted' | 'moderator' | 'admin';
+
+/** 角色等级，用于"至少某角色"的比较。*/
+export const ROLE_RANK: Record<Role, number> = {
+  guest: 0,
+  user: 1,
+  trusted: 2,
+  moderator: 3,
+  admin: 4,
+};
+
+export interface JwtPayload {
+  sub: number;
+  email: string;
+  role: Role;
+}
+
+export const ROLES_KEY = 'roles';
+export const Roles = (...roles: Role[]) => SetMetadata(ROLES_KEY, roles);
+
+/** 取当前登录用户（来自 JwtAuthGuard 注入的 req.user）。*/
+export const CurrentUser = createParamDecorator(
+  (_data: unknown, ctx: ExecutionContext) =>
+    ctx.switchToHttp().getRequest().user as JwtPayload,
+);
+
+function extractToken(req: any): string | null {
+  const h = req.headers?.authorization;
+  if (typeof h === 'string' && h.startsWith('Bearer ')) return h.slice(7);
+  return null;
+}
+
+@Injectable()
+export class JwtAuthGuard implements CanActivate {
+  constructor(private readonly jwt: JwtService) {}
+
+  canActivate(ctx: ExecutionContext): boolean {
+    const req = ctx.switchToHttp().getRequest();
+    const token = extractToken(req);
+    if (!token) throw new UnauthorizedException('需要登录');
+    try {
+      req.user = this.jwt.verify<JwtPayload>(token);
+      return true;
+    } catch {
+      throw new UnauthorizedException('登录已失效');
+    }
+  }
+}
+
+/** 需要"至少"指定角色之一（按等级比较）。配合 @Roles 与 JwtAuthGuard 使用。*/
+@Injectable()
+export class RolesGuard implements CanActivate {
+  constructor(private readonly reflector: Reflector) {}
+
+  canActivate(ctx: ExecutionContext): boolean {
+    const required = this.reflector.getAllAndOverride<Role[]>(ROLES_KEY, [
+      ctx.getHandler(),
+      ctx.getClass(),
+    ]);
+    if (!required || required.length === 0) return true;
+    const user = ctx.switchToHttp().getRequest().user as JwtPayload | undefined;
+    if (!user) throw new UnauthorizedException('需要登录');
+    const min = Math.min(...required.map((r) => ROLE_RANK[r]));
+    if (ROLE_RANK[user.role] < min) {
+      throw new ForbiddenException('权限不足');
+    }
+    return true;
+  }
+}
diff --git a/apps/api/src/categories/categories.controller.ts b/apps/api/src/categories/categories.controller.ts
new file mode 100644
index 0000000..e6b9046
--- /dev/null
+++ b/apps/api/src/categories/categories.controller.ts
@@ -0,0 +1,12 @@
+import { Controller, Get } from '@nestjs/common';
+import { CategoriesService } from './categories.service';
+
+@Controller('api/categories')
+export class CategoriesController {
+  constructor(private readonly categories: CategoriesService) {}
+
+  @Get()
+  findAll() {
+    return this.categories.findAll();
+  }
+}
diff --git a/apps/api/src/categories/categories.module.ts b/apps/api/src/categories/categories.module.ts
new file mode 100644
index 0000000..47daf6d
--- /dev/null
+++ b/apps/api/src/categories/categories.module.ts
@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { CategoriesController } from './categories.controller';
+import { CategoriesService } from './categories.service';
+
+@Module({
+  controllers: [CategoriesController],
+  providers: [CategoriesService],
+})
+export class CategoriesModule {}
diff --git a/apps/api/src/categories/categories.service.ts b/apps/api/src/categories/categories.service.ts
new file mode 100644
index 0000000..834904e
--- /dev/null
+++ b/apps/api/src/categories/categories.service.ts
@@ -0,0 +1,20 @@
+import { Injectable } from '@nestjs/common';
+import { DatabaseService } from '../db/database.service';
+
+@Injectable()
+export class CategoriesService {
+  constructor(private readonly database: DatabaseService) {}
+
+  /** 分类列表 + 各分类车型/个体计数。*/
+  findAll(): any[] {
+    return this.database.db
+      .prepare(
+        `SELECT c.id, c.name, c.subcat,
+                (SELECT COUNT(*) FROM model m WHERE m.category_id = c.id) AS modelCount,
+                (SELECT COUNT(*) FROM unit u WHERE u.category_id = c.id) AS unitCount
+         FROM category c
+         ORDER BY c.name, c.subcat`,
+      )
+      .all();
+  }
+}
diff --git a/apps/api/src/community/community.controller.ts b/apps/api/src/community/community.controller.ts
new file mode 100644
index 0000000..f182d60
--- /dev/null
+++ b/apps/api/src/community/community.controller.ts
@@ -0,0 +1,40 @@
+import {
+  Controller,
+  Delete,
+  Get,
+  Param,
+  ParseIntPipe,
+  Post,
+  Query,
+  UseGuards,
+} from '@nestjs/common';
+import { CommunityService } from './community.service';
+import { CurrentUser, JwtAuthGuard, type JwtPayload } from '../auth/roles';
+
+@Controller('api')
+export class CommunityController {
+  constructor(private readonly community: CommunityService) {}
+
+  @Get('leaderboard')
+  leaderboard(@Query('limit') limit?: string) {
+    const n = limit ? Math.min(100, Math.max(1, Number(limit))) : 20;
+    return this.community.leaderboard(n);
+  }
+
+  @Get('models/:id/maintainers')
+  maintainers(@Param('id', ParseIntPipe) id: number) {
+    return this.community.maintainers(id);
+  }
+
+  @Post('models/:id/maintainers')
+  @UseGuards(JwtAuthGuard)
+  claim(@Param('id', ParseIntPipe) id: number, @CurrentUser() user: JwtPayload) {
+    return this.community.claim(id, user.sub);
+  }
+
+  @Delete('models/:id/maintainers')
+  @UseGuards(JwtAuthGuard)
+  unclaim(@Param('id', ParseIntPipe) id: number, @CurrentUser() user: JwtPayload) {
+    return this.community.unclaim(id, user.sub);
+  }
+}
diff --git a/apps/api/src/community/community.module.ts b/apps/api/src/community/community.module.ts
new file mode 100644
index 0000000..a03eb15
--- /dev/null
+++ b/apps/api/src/community/community.module.ts
@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+import { CommunityService } from './community.service';
+import { CommunityController } from './community.controller';
+import { AuthModule } from '../auth/auth.module';
+
+@Module({
+  imports: [AuthModule],
+  controllers: [CommunityController],
+  providers: [CommunityService],
+})
+export class CommunityModule {}
diff --git a/apps/api/src/community/community.service.ts b/apps/api/src/community/community.service.ts
new file mode 100644
index 0000000..022f77c
--- /dev/null
+++ b/apps/api/src/community/community.service.ts
@@ -0,0 +1,55 @@
+import { Injectable } from '@nestjs/common';
+import { WritableDbService } from '../db/writable-db.service';
+import { levelFor } from './levels';
+
+@Injectable()
+export class CommunityService {
+  constructor(private readonly wdb: WritableDbService) {}
+
+  /** 贡献榜（公开）：按积分降序。*/
+  leaderboard(limit = 20) {
+    const rows = this.wdb.db
+      .prepare(
+        `SELECT id, display_name, role, contribution_points
+         FROM users WHERE contribution_points > 0
+         ORDER BY contribution_points DESC, id ASC LIMIT ?`,
+      )
+      .all(limit) as any[];
+    return rows.map((r, i) => ({
+      rank: i + 1,
+      id: r.id,
+      displayName: r.display_name,
+      role: r.role,
+      points: r.contribution_points,
+      title: levelFor(r.contribution_points).title,
+    }));
+  }
+
+  /** 某车型的维护者署名列表。*/
+  maintainers(modelId: number) {
+    return this.wdb.db
+      .prepare(
+        `SELECT u.id, u.display_name AS displayName, u.role, m.created_at AS since
+         FROM model_maintainers m JOIN users u ON u.id = m.user_id
+         WHERE m.model_id = ? ORDER BY m.created_at ASC`,
+      )
+      .all(modelId);
+  }
+
+  claim(modelId: number, userId: number) {
+    this.wdb.db
+      .prepare(
+        `INSERT INTO model_maintainers (model_id, user_id) VALUES (?, ?)
+         ON CONFLICT(model_id, user_id) DO NOTHING`,
+      )
+      .run(modelId, userId);
+    return this.maintainers(modelId);
+  }
+
+  unclaim(modelId: number, userId: number) {
+    this.wdb.db
+      .prepare('DELETE FROM model_maintainers WHERE model_id = ? AND user_id = ?')
+      .run(modelId, userId);
+    return this.maintainers(modelId);
+  }
+}
diff --git a/apps/api/src/community/levels.spec.ts b/apps/api/src/community/levels.spec.ts
new file mode 100644
index 0000000..a757035
--- /dev/null
+++ b/apps/api/src/community/levels.spec.ts
@@ -0,0 +1,30 @@
+import { badgesFor, levelFor } from './levels';
+
+describe('levelFor', () => {
+  it('0 分为见习巡道员', () => {
+    const l = levelFor(0);
+    expect(l.title).toBe('见习巡道员');
+    expect(l.level).toBe(1);
+    expect(l.nextThreshold).toBe(10);
+  });
+  it('跨阈值升级', () => {
+    expect(levelFor(30).title).toBe('司炉');
+    expect(levelFor(159).title).toBe('副司机');
+    expect(levelFor(160).title).toBe('司机');
+  });
+  it('满级 nextThreshold 为 null', () => {
+    const l = levelFor(1000);
+    expect(l.title).toBe('总工程师');
+    expect(l.nextThreshold).toBeNull();
+  });
+});
+
+describe('badgesFor', () => {
+  it('按积分/采纳数派发', () => {
+    expect(badgesFor(0, 0)).toHaveLength(0);
+    expect(badgesFor(5, 1).map((b) => b.key)).toContain('first_edit');
+    expect(badgesFor(200, 12).map((b) => b.key)).toEqual(
+      expect.arrayContaining(['first_edit', 'prolific', 'veteran']),
+    );
+  });
+});
diff --git a/apps/api/src/community/levels.ts b/apps/api/src/community/levels.ts
new file mode 100644
index 0000000..56cb018
--- /dev/null
+++ b/apps/api/src/community/levels.ts
@@ -0,0 +1,45 @@
+/** 铁路主题等级（按贡献积分）。纯函数，便于单测。*/
+export interface LevelInfo {
+  level: number;
+  title: string;
+  min: number;
+  nextThreshold: number | null; // 升到下一级所需积分；满级为 null
+}
+
+export const LEVELS: { min: number; title: string }[] = [
+  { min: 0, title: '见习巡道员' },
+  { min: 10, title: '巡道员' },
+  { min: 30, title: '司炉' },
+  { min: 80, title: '副司机' },
+  { min: 160, title: '司机' },
+  { min: 320, title: '机务段长' },
+  { min: 640, title: '总工程师' },
+];
+
+export function levelFor(points: number): LevelInfo {
+  const p = Math.max(0, points || 0);
+  let idx = 0;
+  for (let i = 0; i < LEVELS.length; i++) if (p >= LEVELS[i].min) idx = i;
+  const next = LEVELS[idx + 1] ?? null;
+  return {
+    level: idx + 1,
+    title: LEVELS[idx].title,
+    min: LEVELS[idx].min,
+    nextThreshold: next ? next.min : null,
+  };
+}
+
+export interface Badge {
+  key: string;
+  label: string;
+}
+
+/** 根据积分与被采纳修订数派生徽章。*/
+export function badgesFor(points: number, approvedCount: number): Badge[] {
+  const out: Badge[] = [];
+  if (approvedCount >= 1) out.push({ key: 'first_edit', label: '首改采纳' });
+  if (approvedCount >= 10) out.push({ key: 'prolific', label: '高产编辑' });
+  if (points >= 160) out.push({ key: 'veteran', label: '资深贡献' });
+  if (points >= 640) out.push({ key: 'chief', label: '总工殊荣' });
+  return out;
+}
diff --git a/apps/api/src/contrib/contrib.controller.ts b/apps/api/src/contrib/contrib.controller.ts
new file mode 100644
index 0000000..6168894
--- /dev/null
+++ b/apps/api/src/contrib/contrib.controller.ts
@@ -0,0 +1,82 @@
+import {
+  Body,
+  Controller,
+  Get,
+  Param,
+  ParseIntPipe,
+  Post,
+  UseGuards,
+} from '@nestjs/common';
+import { IsObject, IsOptional, IsString, MaxLength } from 'class-validator';
+import { RevisionsService } from './revisions.service';
+import {
+  CurrentUser,
+  JwtAuthGuard,
+  Roles,
+  RolesGuard,
+  type JwtPayload,
+} from '../auth/roles';
+
+class SubmitEditDto {
+  @IsObject()
+  changes!: Record<string, unknown>;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(500)
+  note?: string;
+}
+
+/** 编辑/修订（登录用户）。*/
+@Controller('api/models/:id/revisions')
+export class ModelRevisionsController {
+  constructor(private readonly revisions: RevisionsService) {}
+
+  @Get()
+  history(@Param('id', ParseIntPipe) id: number) {
+    return this.revisions.listForModel(id);
+  }
+
+  @Post()
+  @UseGuards(JwtAuthGuard, RolesGuard)
+  @Roles('admin')
+  submit(
+    @Param('id', ParseIntPipe) id: number,
+    @Body() dto: SubmitEditDto,
+    @CurrentUser() user: JwtPayload,
+  ) {
+    return this.revisions.submitEdit(id, user, dto.changes, dto.note ?? '');
+  }
+}
+
+/** 审核（版主及以上）+ 可编辑字段元数据。*/
+@Controller('api')
+export class ReviewController {
+  constructor(private readonly revisions: RevisionsService) {}
+
+  @Get('editable-fields')
+  fields() {
+    return this.revisions.editableFields();
+  }
+
+  @Get('revisions/pending')
+  @UseGuards(JwtAuthGuard, RolesGuard)
+  @Roles('moderator')
+  pending() {
+    return this.revisions.listPending();
+  }
+
+  @Post('revisions/:rid/approve')
+  @UseGuards(JwtAuthGuard, RolesGuard)
+  @Roles('moderator')
+  approve(@Param('rid', ParseIntPipe) rid: number, @CurrentUser() user: JwtPayload) {
+    return this.revisions.approve(rid, user);
+  }
+
+  @Post('revisions/:rid/reject')
+  @UseGuards(JwtAuthGuard, RolesGuard)
+  @Roles('moderator')
+  reject(@Param('rid', ParseIntPipe) rid: number, @CurrentUser() user: JwtPayload) {
+    return this.revisions.reject(rid, user);
+  }
+}
diff --git a/apps/api/src/contrib/contrib.module.ts b/apps/api/src/contrib/contrib.module.ts
new file mode 100644
index 0000000..fda5b4d
--- /dev/null
+++ b/apps/api/src/contrib/contrib.module.ts
@@ -0,0 +1,12 @@
+import { Module } from '@nestjs/common';
+import { RevisionsService } from './revisions.service';
+import { ModelRevisionsController, ReviewController } from './contrib.controller';
+import { AuthModule } from '../auth/auth.module';
+
+@Module({
+  imports: [AuthModule],
+  controllers: [ModelRevisionsController, ReviewController],
+  providers: [RevisionsService],
+  exports: [RevisionsService],
+})
+export class ContribModule {}
diff --git a/apps/api/src/contrib/editable-fields.ts b/apps/api/src/contrib/editable-fields.ts
new file mode 100644
index 0000000..a93b85c
--- /dev/null
+++ b/apps/api/src/contrib/editable-fields.ts
@@ -0,0 +1,61 @@
+import { BadRequestException } from '@nestjs/common';
+
+export type FieldType = 'text' | 'int';
+
+export interface EditableField {
+  field: string;
+  label: string;
+  type: FieldType;
+}
+
+/** 可众包编辑的字段白名单（映射到 model 表列）。*/
+export const EDITABLE_FIELDS: EditableField[] = [
+  { field: 'full_name', label: '车型全称', type: 'text' },
+  { field: 'series', label: '系列', type: 'text' },
+  { field: 'manufacturer', label: '生产商', type: 'text' },
+  { field: 'country', label: '制造国/地区', type: 'text' },
+  { field: 'country_type', label: '国别属性', type: 'text' },
+  { field: 'usage', label: '用途', type: 'text' },
+  { field: 'status', label: '状态', type: 'text' },
+  { field: 'drive', label: '传动/供电方式', type: 'text' },
+  { field: 'efficiency', label: '传动效率', type: 'text' },
+  { field: 'axle_arrangement', label: '轴列式', type: 'text' },
+  { field: 'production_count', label: '产量', type: 'text' },
+  { field: 'first_year', label: '首产年', type: 'int' },
+  { field: 'last_year', label: '停产年', type: 'int' },
+  { field: 'max_speed_value', label: '最高时速(值)', type: 'int' },
+  { field: 'weight_value', label: '整备重量(值)', type: 'int' },
+];
+
+export const EDITABLE_MAP = new Map(EDITABLE_FIELDS.map((f) => [f.field, f]));
+
+export const STATUS_ENUM = [
+  '现役', '封存', '半封存', '退役', '报废', '保存', '试验', '未知',
+];
+export const COUNTRY_TYPE_ENUM = ['国产', '进口', '引进仿制', '中外合资', '未知'];
+
+/** 校验并规范化单个字段值，返回入库用字符串；非法抛 400。*/
+export function validateField(field: string, raw: unknown): string {
+  const def = EDITABLE_MAP.get(field);
+  if (!def) throw new BadRequestException(`字段不可编辑: ${field}`);
+  const s = String(raw ?? '').trim();
+
+  if (def.type === 'int') {
+    if (s === '') return '';
+    if (!/^-?\d+$/.test(s)) throw new BadRequestException(`${def.label} 必须为整数`);
+    const n = Number(s);
+    if (field === 'first_year' || field === 'last_year') {
+      if (n < 1800 || n > 2100)
+        throw new BadRequestException(`${def.label} 年代超出合理范围`);
+    }
+    if (n < 0) throw new BadRequestException(`${def.label} 不能为负`);
+    return String(n);
+  }
+
+  if (s.length > 200) throw new BadRequestException(`${def.label} 过长`);
+  if (field === 'status' && s && !STATUS_ENUM.includes(s))
+    throw new BadRequestException(`状态取值非法`);
+  if (field === 'country_type' && s && !COUNTRY_TYPE_ENUM.includes(s))
+    throw new BadRequestException(`国别属性取值非法`);
+  return s;
+}
diff --git a/apps/api/src/contrib/revisions.service.ts b/apps/api/src/contrib/revisions.service.ts
new file mode 100644
index 0000000..61be615
--- /dev/null
+++ b/apps/api/src/contrib/revisions.service.ts
@@ -0,0 +1,200 @@
+import {
+  BadRequestException,
+  ForbiddenException,
+  Injectable,
+  NotFoundException,
+} from '@nestjs/common';
+import { DatabaseService } from '../db/database.service';
+import { WritableDbService } from '../db/writable-db.service';
+import { ROLE_RANK, type JwtPayload } from '../auth/roles';
+import { validateField, EDITABLE_FIELDS } from './editable-fields';
+
+const POINTS_PER_REVISION = 5;
+
+@Injectable()
+export class RevisionsService {
+  constructor(
+    private readonly ro: DatabaseService,
+    private readonly wdb: WritableDbService,
+  ) {}
+
+  /** 某车型字段的当前生效值（覆盖优先于基础数据），字符串化。*/
+  private effectiveValue(modelId: number, field: string, baseRow: any): string {
+    const ov = this.wdb.db
+      .prepare('SELECT value FROM model_overrides WHERE model_id = ? AND field = ?')
+      .get(modelId, field) as { value: string } | undefined;
+    if (ov) return ov.value ?? '';
+    const v = baseRow?.[field];
+    return v == null ? '' : String(v);
+  }
+
+  private baseRow(modelId: number): any {
+    const row = this.ro.db.prepare('SELECT * FROM model WHERE id = ?').get(modelId);
+    if (!row) throw new NotFoundException(`车型 ${modelId} 不存在`);
+    return row;
+  }
+
+  /** 提交编辑：生成修订。信任用户及以上自动通过并应用。*/
+  submitEdit(
+    modelId: number,
+    user: JwtPayload,
+    changes: Record<string, unknown>,
+    note = '',
+  ) {
+    const base = this.baseRow(modelId);
+    const entries = Object.entries(changes || {});
+    if (entries.length === 0) throw new BadRequestException('没有任何改动');
+
+    const diffs: { field: string; oldValue: string; newValue: string }[] = [];
+    for (const [field, raw] of entries) {
+      const newValue = validateField(field, raw);
+      const oldValue = this.effectiveValue(modelId, field, base);
+      if (newValue !== oldValue) diffs.push({ field, oldValue, newValue });
+    }
+    if (diffs.length === 0) throw new BadRequestException('与当前值相同，无需提交');
+
+    const autoApprove = ROLE_RANK[user.role] >= ROLE_RANK.trusted;
+    const db = this.wdb.db;
+
+    const tx = db.transaction(() => {
+      const info = db
+        .prepare(
+          `INSERT INTO revisions (model_id, author_id, status, note, reviewed_by, reviewed_at)
+           VALUES (?, ?, ?, ?, ?, ?)`,
+        )
+        .run(
+          modelId,
+          user.sub,
+          autoApprove ? 'approved' : 'pending',
+          note,
+          autoApprove ? user.sub : null,
+          autoApprove ? new Date().toISOString() : null,
+        );
+      const revId = Number(info.lastInsertRowid);
+      const ins = db.prepare(
+        `INSERT INTO revision_changes (revision_id, field, old_value, new_value)
+         VALUES (?, ?, ?, ?)`,
+      );
+      for (const d of diffs) ins.run(revId, d.field, d.oldValue, d.newValue);
+      if (autoApprove) {
+        this.applyChanges(modelId, diffs, revId);
+        this.award(user.sub);
+      }
+      return revId;
+    });
+
+    const revId = tx();
+    return this.getRevision(revId);
+  }
+
+  private applyChanges(
+    modelId: number,
+    diffs: { field: string; newValue: string }[],
+    revId: number,
+  ) {
+    const up = this.wdb.db.prepare(
+      `INSERT INTO model_overrides (model_id, field, value, revision_id, updated_at)
+       VALUES (?, ?, ?, ?, datetime('now'))
+       ON CONFLICT(model_id, field) DO UPDATE SET
+         value = excluded.value, revision_id = excluded.revision_id, updated_at = datetime('now')`,
+    );
+    for (const d of diffs) up.run(modelId, d.field, d.newValue, revId);
+  }
+
+  private award(userId: number, points = POINTS_PER_REVISION) {
+    this.wdb.db
+      .prepare('UPDATE users SET contribution_points = contribution_points + ? WHERE id = ?')
+      .run(points, userId);
+  }
+
+  approve(revId: number, reviewer: JwtPayload) {
+    const db = this.wdb.db;
+    const rev: any = db.prepare('SELECT * FROM revisions WHERE id = ?').get(revId);
+    if (!rev) throw new NotFoundException('修订不存在');
+    if (rev.status !== 'pending') throw new BadRequestException('该修订已处理');
+    const changes = db
+      .prepare('SELECT field, new_value AS newValue FROM revision_changes WHERE revision_id = ?')
+      .all(revId) as { field: string; newValue: string }[];
+    const tx = db.transaction(() => {
+      db.prepare(
+        `UPDATE revisions SET status='approved', reviewed_by=?, reviewed_at=datetime('now') WHERE id=?`,
+      ).run(reviewer.sub, revId);
+      this.applyChanges(rev.model_id, changes, revId);
+      this.award(rev.author_id);
+    });
+    tx();
+    return this.getRevision(revId);
+  }
+
+  reject(revId: number, reviewer: JwtPayload) {
+    const db = this.wdb.db;
+    const rev: any = db.prepare('SELECT * FROM revisions WHERE id = ?').get(revId);
+    if (!rev) throw new NotFoundException('修订不存在');
+    if (rev.status !== 'pending') throw new BadRequestException('该修订已处理');
+    db.prepare(
+      `UPDATE revisions SET status='rejected', reviewed_by=?, reviewed_at=datetime('now') WHERE id=?`,
+    ).run(reviewer.sub, revId);
+    return this.getRevision(revId);
+  }
+
+  getRevision(revId: number) {
+    const db = this.wdb.db;
+    const rev: any = db
+      .prepare(
+        `SELECT r.*, u.display_name AS author_name
+         FROM revisions r JOIN users u ON u.id = r.author_id WHERE r.id = ?`,
+      )
+      .get(revId);
+    if (!rev) throw new NotFoundException('修订不存在');
+    rev.changes = db
+      .prepare('SELECT field, old_value, new_value FROM revision_changes WHERE revision_id = ?')
+      .all(revId);
+    return rev;
+  }
+
+  listForModel(modelId: number) {
+    const db = this.wdb.db;
+    const revs = db
+      .prepare(
+        `SELECT r.*, u.display_name AS author_name
+         FROM revisions r JOIN users u ON u.id = r.author_id
+         WHERE r.model_id = ? ORDER BY r.created_at DESC, r.id DESC`,
+      )
+      .all(modelId) as any[];
+    const stmt = db.prepare(
+      'SELECT field, old_value, new_value FROM revision_changes WHERE revision_id = ?',
+    );
+    for (const r of revs) r.changes = stmt.all(r.id);
+    return revs;
+  }
+
+  listPending() {
+    const db = this.wdb.db;
+    const revs = db
+      .prepare(
+        `SELECT r.*, u.display_name AS author_name
+         FROM revisions r JOIN users u ON u.id = r.author_id
+         WHERE r.status = 'pending' ORDER BY r.created_at ASC`,
+      )
+      .all() as any[];
+    const stmt = db.prepare(
+      'SELECT field, old_value, new_value FROM revision_changes WHERE revision_id = ?',
+    );
+    for (const r of revs) r.changes = stmt.all(r.id);
+    return revs;
+  }
+
+  /** 供 ModelsService 合并：返回 model 的字段覆盖 map。*/
+  overridesFor(modelId: number): Record<string, string> {
+    const rows = this.wdb.db
+      .prepare('SELECT field, value FROM model_overrides WHERE model_id = ?')
+      .all(modelId) as { field: string; value: string }[];
+    const out: Record<string, string> = {};
+    for (const r of rows) out[r.field] = r.value;
+    return out;
+  }
+
+  editableFields() {
+    return EDITABLE_FIELDS;
+  }
+}
diff --git a/apps/api/src/db/database.module.ts b/apps/api/src/db/database.module.ts
new file mode 100644
index 0000000..9e1b6d6
--- /dev/null
+++ b/apps/api/src/db/database.module.ts
@@ -0,0 +1,9 @@
+import { Global, Module } from '@nestjs/common';
+import { DatabaseService } from './database.service';
+
+@Global()
+@Module({
+  providers: [DatabaseService],
+  exports: [DatabaseService],
+})
+export class DatabaseModule {}
diff --git a/apps/api/src/db/database.service.ts b/apps/api/src/db/database.service.ts
new file mode 100644
index 0000000..f3de51d
--- /dev/null
+++ b/apps/api/src/db/database.service.ts
@@ -0,0 +1,37 @@
+import { Injectable, OnModuleDestroy, Logger } from '@nestjs/common';
+import Database from 'better-sqlite3';
+import { existsSync } from 'fs';
+import { join, resolve } from 'path';
+
+/**
+ * 打开 ETL 产出的 SQLite 数据库（app/data/machines.db）。
+ * 开发期数据底座；schema 设计为可移植到 PostgreSQL。
+ * DB 路径可通过环境变量 DB_PATH 覆盖（测试用）。
+ */
+@Injectable()
+export class DatabaseService implements OnModuleDestroy {
+  private readonly logger = new Logger(DatabaseService.name);
+  public readonly db: Database.Database;
+
+  constructor() {
+    const dbPath =
+      process.env.DB_PATH ||
+      resolve(join(__dirname, '..', '..', '..', '..', 'app', 'data', 'machines.db'));
+    if (!existsSync(dbPath)) {
+      this.logger.warn(
+        `数据库不存在: ${dbPath} —— 请先运行 ETL: python3 -m app.etl.importer`,
+      );
+    }
+    this.db = new Database(dbPath, { readonly: true, fileMustExist: false });
+    // 只读连接无需（也不允许）设置 WAL；容错跳过。
+    try {
+      this.db.pragma('query_only = ON');
+    } catch {
+      /* ignore */
+    }
+  }
+
+  onModuleDestroy() {
+    this.db.close();
+  }
+}
diff --git a/apps/api/src/db/writable-db.module.ts b/apps/api/src/db/writable-db.module.ts
new file mode 100644
index 0000000..dd98969
--- /dev/null
+++ b/apps/api/src/db/writable-db.module.ts
@@ -0,0 +1,9 @@
+import { Global, Module } from '@nestjs/common';
+import { WritableDbService } from './writable-db.service';
+
+@Global()
+@Module({
+  providers: [WritableDbService],
+  exports: [WritableDbService],
+})
+export class WritableDbModule {}
diff --git a/apps/api/src/db/writable-db.service.ts b/apps/api/src/db/writable-db.service.ts
new file mode 100644
index 0000000..1521d77
--- /dev/null
+++ b/apps/api/src/db/writable-db.service.ts
@@ -0,0 +1,173 @@
+import { Injectable, OnModuleDestroy, Logger } from '@nestjs/common';
+import Database from 'better-sqlite3';
+import { mkdirSync } from 'fs';
+import { dirname, join, resolve } from 'path';
+
+/**
+ * 可写库（用户 / 社区数据）。与只读的 machines.db 分离——后者由 ETL 重建会被清空。
+ * 默认 app/data/app.db，可用 APP_DB_PATH 覆盖（测试用）。
+ */
+@Injectable()
+export class WritableDbService implements OnModuleDestroy {
+  private readonly logger = new Logger(WritableDbService.name);
+  public readonly db: Database.Database;
+
+  constructor() {
+    const dbPath =
+      process.env.APP_DB_PATH ||
+      resolve(join(__dirname, '..', '..', '..', '..', 'app', 'data', 'app.db'));
+    mkdirSync(dirname(dbPath), { recursive: true });
+    this.db = new Database(dbPath);
+    this.db.pragma('journal_mode = WAL');
+    this.db.pragma('foreign_keys = ON');
+    this.migrate();
+    this.logger.log(`可写库就绪: ${dbPath}`);
+  }
+
+  private migrate() {
+    this.db.exec(`
+      CREATE TABLE IF NOT EXISTS users (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        email TEXT NOT NULL UNIQUE,
+        password_hash TEXT NOT NULL,
+        display_name TEXT NOT NULL,
+        role TEXT NOT NULL DEFAULT 'user',
+        contribution_points INTEGER NOT NULL DEFAULT 0,
+        created_at TEXT NOT NULL DEFAULT (datetime('now'))
+      );
+      CREATE INDEX IF NOT EXISTS idx_users_email ON users(email);
+
+      CREATE TABLE IF NOT EXISTS revisions (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        model_id INTEGER NOT NULL,
+        author_id INTEGER NOT NULL REFERENCES users(id),
+        status TEXT NOT NULL DEFAULT 'pending',  -- pending/approved/rejected
+        note TEXT DEFAULT '',
+        created_at TEXT NOT NULL DEFAULT (datetime('now')),
+        reviewed_by INTEGER REFERENCES users(id),
+        reviewed_at TEXT
+      );
+      CREATE INDEX IF NOT EXISTS idx_rev_model ON revisions(model_id);
+      CREATE INDEX IF NOT EXISTS idx_rev_status ON revisions(status);
+
+      CREATE TABLE IF NOT EXISTS revision_changes (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        revision_id INTEGER NOT NULL REFERENCES revisions(id) ON DELETE CASCADE,
+        field TEXT NOT NULL,
+        old_value TEXT,
+        new_value TEXT
+      );
+      CREATE INDEX IF NOT EXISTS idx_revchg_rev ON revision_changes(revision_id);
+
+      CREATE TABLE IF NOT EXISTS model_overrides (
+        model_id INTEGER NOT NULL,
+        field TEXT NOT NULL,
+        value TEXT,
+        revision_id INTEGER REFERENCES revisions(id),
+        updated_at TEXT NOT NULL DEFAULT (datetime('now')),
+        PRIMARY KEY (model_id, field)
+      );
+
+      CREATE TABLE IF NOT EXISTS model_maintainers (
+        model_id INTEGER NOT NULL,
+        user_id INTEGER NOT NULL REFERENCES users(id),
+        created_at TEXT NOT NULL DEFAULT (datetime('now')),
+        PRIMARY KEY (model_id, user_id)
+      );
+
+      CREATE TABLE IF NOT EXISTS threads (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        board TEXT NOT NULL,            -- general/photography/history/entry
+        model_id INTEGER,               -- 非空表示绑定到某车型（词条讨论）
+        title TEXT NOT NULL,
+        body TEXT NOT NULL DEFAULT '',
+        author_id INTEGER NOT NULL REFERENCES users(id),
+        created_at TEXT NOT NULL DEFAULT (datetime('now')),
+        last_activity_at TEXT NOT NULL DEFAULT (datetime('now')),
+        reply_count INTEGER NOT NULL DEFAULT 0
+      );
+      CREATE INDEX IF NOT EXISTS idx_threads_board ON threads(board);
+      CREATE INDEX IF NOT EXISTS idx_threads_model ON threads(model_id);
+
+      CREATE TABLE IF NOT EXISTS thread_replies (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        thread_id INTEGER NOT NULL REFERENCES threads(id) ON DELETE CASCADE,
+        author_id INTEGER NOT NULL REFERENCES users(id),
+        body TEXT NOT NULL,
+        created_at TEXT NOT NULL DEFAULT (datetime('now'))
+      );
+      CREATE INDEX IF NOT EXISTS idx_replies_thread ON thread_replies(thread_id);
+
+      CREATE TABLE IF NOT EXISTS sightings (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        model_id INTEGER NOT NULL,
+        user_id INTEGER NOT NULL REFERENCES users(id),
+        car_number TEXT DEFAULT '',
+        lat REAL NOT NULL,
+        lng REAL NOT NULL,
+        station TEXT DEFAULT '',
+        spotted_at TEXT DEFAULT '',
+        description TEXT DEFAULT '',
+        created_at TEXT NOT NULL DEFAULT (datetime('now'))
+      );
+      CREATE INDEX IF NOT EXISTS idx_sightings_model ON sightings(model_id);
+      CREATE INDEX IF NOT EXISTS idx_sightings_created ON sightings(created_at);
+
+      CREATE TABLE IF NOT EXISTS photos (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        model_id INTEGER NOT NULL,
+        uploader_id INTEGER NOT NULL REFERENCES users(id),
+        filename TEXT NOT NULL,
+        caption TEXT DEFAULT '',
+        status TEXT NOT NULL DEFAULT 'confirmed',
+        source_url TEXT DEFAULT '',
+        author TEXT DEFAULT '',
+        license TEXT DEFAULT '',
+        created_at TEXT NOT NULL DEFAULT (datetime('now'))
+      );
+      CREATE INDEX IF NOT EXISTS idx_photos_model ON photos(model_id);
+
+      CREATE TABLE IF NOT EXISTS identifications (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        user_id INTEGER NOT NULL REFERENCES users(id),
+        filename TEXT NOT NULL,
+        image_hash TEXT NOT NULL,
+        summary TEXT DEFAULT '',
+        guesses_json TEXT DEFAULT '[]',
+        matches_json TEXT DEFAULT '[]',
+        top_code TEXT DEFAULT '',
+        top_name TEXT DEFAULT '',
+        note TEXT DEFAULT '',
+        error TEXT DEFAULT '',
+        created_at TEXT NOT NULL DEFAULT (datetime('now'))
+      );
+      CREATE INDEX IF NOT EXISTS idx_ident_user ON identifications(user_id);
+      CREATE INDEX IF NOT EXISTS idx_ident_hash ON identifications(image_hash);
+    `);
+    // 已存在的库补齐新列（无 IF NOT EXISTS，需手动检查）
+    this.ensureColumns('photos', {
+      status: "TEXT NOT NULL DEFAULT 'confirmed'",
+      source_url: "TEXT DEFAULT ''",
+      author: "TEXT DEFAULT ''",
+      license: "TEXT DEFAULT ''",
+      featured: 'INTEGER NOT NULL DEFAULT 0',
+    });
+  }
+
+  private ensureColumns(table: string, cols: Record<string, string>) {
+    const existing = new Set(
+      (this.db.prepare(`PRAGMA table_info(${table})`).all() as any[]).map(
+        (c) => c.name,
+      ),
+    );
+    for (const [name, def] of Object.entries(cols)) {
+      if (!existing.has(name)) {
+        this.db.exec(`ALTER TABLE ${table} ADD COLUMN ${name} ${def}`);
+      }
+    }
+  }
+
+  onModuleDestroy() {
+    this.db.close();
+  }
+}
diff --git a/apps/api/src/forum/forum.controller.ts b/apps/api/src/forum/forum.controller.ts
new file mode 100644
index 0000000..0392ccc
--- /dev/null
+++ b/apps/api/src/forum/forum.controller.ts
@@ -0,0 +1,81 @@
+import {
+  Body,
+  Controller,
+  Get,
+  Param,
+  ParseIntPipe,
+  Post,
+  Query,
+  UseGuards,
+} from '@nestjs/common';
+import {
+  IsInt,
+  IsOptional,
+  IsString,
+  MaxLength,
+  MinLength,
+} from 'class-validator';
+import { Type } from 'class-transformer';
+import { ForumService } from './forum.service';
+import { CurrentUser, JwtAuthGuard, type JwtPayload } from '../auth/roles';
+
+class CreateThreadDto {
+  @IsString() @MinLength(1) @MaxLength(40)
+  board!: string;
+
+  @IsOptional() @Type(() => Number) @IsInt()
+  modelId?: number;
+
+  @IsString() @MinLength(2) @MaxLength(80)
+  title!: string;
+
+  @IsString() @MinLength(1) @MaxLength(5000)
+  body!: string;
+}
+
+class ReplyDto {
+  @IsString() @MinLength(1) @MaxLength(5000)
+  body!: string;
+}
+
+@Controller('api')
+export class ForumController {
+  constructor(private readonly forum: ForumService) {}
+
+  @Get('boards')
+  boards() {
+    return this.forum.boards();
+  }
+
+  @Get('threads')
+  list(
+    @Query('board') board?: string,
+    @Query('modelId') modelId?: string,
+  ) {
+    return this.forum.listThreads({
+      board,
+      modelId: modelId ? Number(modelId) : undefined,
+    });
+  }
+
+  @Get('threads/:id')
+  get(@Param('id', ParseIntPipe) id: number) {
+    return this.forum.getThread(id);
+  }
+
+  @Post('threads')
+  @UseGuards(JwtAuthGuard)
+  create(@Body() dto: CreateThreadDto, @CurrentUser() user: JwtPayload) {
+    return this.forum.createThread(user.sub, dto);
+  }
+
+  @Post('threads/:id/replies')
+  @UseGuards(JwtAuthGuard)
+  reply(
+    @Param('id', ParseIntPipe) id: number,
+    @Body() dto: ReplyDto,
+    @CurrentUser() user: JwtPayload,
+  ) {
+    return this.forum.addReply(user.sub, id, dto.body);
+  }
+}
diff --git a/apps/api/src/forum/forum.module.ts b/apps/api/src/forum/forum.module.ts
new file mode 100644
index 0000000..8695bdd
--- /dev/null
+++ b/apps/api/src/forum/forum.module.ts
@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+import { ForumService } from './forum.service';
+import { ForumController } from './forum.controller';
+import { AuthModule } from '../auth/auth.module';
+
+@Module({
+  imports: [AuthModule],
+  controllers: [ForumController],
+  providers: [ForumService],
+})
+export class ForumModule {}
diff --git a/apps/api/src/forum/forum.service.ts b/apps/api/src/forum/forum.service.ts
new file mode 100644
index 0000000..864ffa6
--- /dev/null
+++ b/apps/api/src/forum/forum.service.ts
@@ -0,0 +1,92 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import { WritableDbService } from '../db/writable-db.service';
+
+export const BOARDS = [
+  { key: 'general', label: '综合讨论' },
+  { key: 'photography', label: '拍车 / 打卡' },
+  { key: 'history', label: '历史考证' },
+];
+const BOARD_KEYS = new Set([...BOARDS.map((b) => b.key), 'entry']);
+
+@Injectable()
+export class ForumService {
+  constructor(private readonly wdb: WritableDbService) {}
+
+  boards() {
+    return BOARDS;
+  }
+
+  listThreads(opts: { board?: string; modelId?: number; limit?: number }) {
+    const conds: string[] = [];
+    const params: any[] = [];
+    if (opts.modelId != null) {
+      conds.push('t.model_id = ?');
+      params.push(opts.modelId);
+    } else if (opts.board) {
+      conds.push('t.board = ?');
+      params.push(opts.board);
+    }
+    const where = conds.length ? `WHERE ${conds.join(' AND ')}` : '';
+    const limit = Math.min(100, Math.max(1, opts.limit ?? 50));
+    return this.wdb.db
+      .prepare(
+        `SELECT t.id, t.board, t.model_id, t.title, t.author_id,
+                u.display_name AS author_name, t.created_at,
+                t.last_activity_at, t.reply_count
+         FROM threads t JOIN users u ON u.id = t.author_id
+         ${where}
+         ORDER BY t.last_activity_at DESC, t.id DESC
+         LIMIT ?`,
+      )
+      .all(...params, limit);
+  }
+
+  createThread(
+    userId: number,
+    data: { board: string; modelId?: number | null; title: string; body: string },
+  ) {
+    const board = BOARD_KEYS.has(data.board) ? data.board : 'general';
+    const info = this.wdb.db
+      .prepare(
+        `INSERT INTO threads (board, model_id, title, body, author_id)
+         VALUES (?, ?, ?, ?, ?)`,
+      )
+      .run(board, data.modelId ?? null, data.title.trim(), data.body.trim(), userId);
+    return this.getThread(Number(info.lastInsertRowid));
+  }
+
+  getThread(id: number) {
+    const t: any = this.wdb.db
+      .prepare(
+        `SELECT t.*, u.display_name AS author_name
+         FROM threads t JOIN users u ON u.id = t.author_id WHERE t.id = ?`,
+      )
+      .get(id);
+    if (!t) throw new NotFoundException('帖子不存在');
+    t.replies = this.wdb.db
+      .prepare(
+        `SELECT r.id, r.body, r.author_id, u.display_name AS author_name, r.created_at
+         FROM thread_replies r JOIN users u ON u.id = r.author_id
+         WHERE r.thread_id = ? ORDER BY r.created_at ASC, r.id ASC`,
+      )
+      .all(id);
+    return t;
+  }
+
+  addReply(userId: number, threadId: number, body: string) {
+    const db = this.wdb.db;
+    const exists = db.prepare('SELECT 1 FROM threads WHERE id = ?').get(threadId);
+    if (!exists) throw new NotFoundException('帖子不存在');
+    const tx = db.transaction(() => {
+      db.prepare(
+        'INSERT INTO thread_replies (thread_id, author_id, body) VALUES (?, ?, ?)',
+      ).run(threadId, userId, body.trim());
+      db.prepare(
+        `UPDATE threads SET reply_count = reply_count + 1,
+           last_activity_at = datetime('now') WHERE id = ?`,
+      ).run(threadId);
+    });
+    tx();
+    return this.getThread(threadId);
+  }
+}
diff --git a/apps/api/src/health.controller.ts b/apps/api/src/health.controller.ts
new file mode 100644
index 0000000..0834771
--- /dev/null
+++ b/apps/api/src/health.controller.ts
@@ -0,0 +1,22 @@
+import { Controller, Get } from '@nestjs/common';
+import { DatabaseService } from './db/database.service';
+
+@Controller('api/health')
+export class HealthController {
+  constructor(private readonly database: DatabaseService) {}
+
+  @Get()
+  health() {
+    const models = (
+      this.database.db.prepare('SELECT COUNT(*) AS n FROM model').get() as {
+        n: number;
+      }
+    ).n;
+    const units = (
+      this.database.db.prepare('SELECT COUNT(*) AS n FROM unit').get() as {
+        n: number;
+      }
+    ).n;
+    return { status: 'ok', models, units };
+  }
+}
diff --git a/apps/api/src/identify/identify.controller.ts b/apps/api/src/identify/identify.controller.ts
new file mode 100644
index 0000000..f39c611
--- /dev/null
+++ b/apps/api/src/identify/identify.controller.ts
@@ -0,0 +1,68 @@
+import {
+  BadRequestException,
+  Body,
+  Controller,
+  Delete,
+  Get,
+  Param,
+  ParseIntPipe,
+  Patch,
+  Post,
+  UploadedFile,
+  UseGuards,
+  UseInterceptors,
+} from '@nestjs/common';
+import { FileInterceptor } from '@nestjs/platform-express';
+import { memoryStorage } from 'multer';
+import { IdentifyService } from './identify.service';
+import { CurrentUser, JwtAuthGuard, type JwtPayload } from '../auth/roles';
+
+const ALLOWED = /\.(jpe?g|png|webp|gif)$/i;
+
+@Controller('api')
+@UseGuards(JwtAuthGuard)
+export class IdentifyController {
+  constructor(private readonly svc: IdentifyService) {}
+
+  /** AI 识车：上传一张照片，调用通义千问视觉模型识别并持久化（命中哈希缓存则复用）。*/
+  @Post('identify')
+  @UseInterceptors(
+    FileInterceptor('file', {
+      storage: memoryStorage(),
+      limits: { fileSize: 8 * 1024 * 1024 },
+      fileFilter: (_req, file, cb) =>
+        ALLOWED.test(file.originalname) || /^image\//.test(file.mimetype)
+          ? cb(null, true)
+          : cb(new BadRequestException('仅支持图片文件'), false),
+    }),
+  )
+  async identify(
+    @UploadedFile() file: Express.Multer.File,
+    @CurrentUser() user: JwtPayload,
+  ) {
+    if (!file) throw new BadRequestException('未收到图片');
+    return this.svc.identifyAndSave(user.sub, file.buffer, file.mimetype);
+  }
+
+  /** 当前用户的识别历史。*/
+  @Get('identifications')
+  list(@CurrentUser() user: JwtPayload) {
+    return this.svc.list(user.sub);
+  }
+
+  /** 修改备注（人工纠正/标注）。*/
+  @Patch('identifications/:id')
+  update(
+    @Param('id', ParseIntPipe) id: number,
+    @Body('note') note: string,
+    @CurrentUser() user: JwtPayload,
+  ) {
+    return this.svc.updateNote(user.sub, id, note ?? '');
+  }
+
+  /** 删除一条识别历史。*/
+  @Delete('identifications/:id')
+  remove(@Param('id', ParseIntPipe) id: number, @CurrentUser() user: JwtPayload) {
+    return this.svc.remove(user.sub, id);
+  }
+}
diff --git a/apps/api/src/identify/identify.module.ts b/apps/api/src/identify/identify.module.ts
new file mode 100644
index 0000000..312a608
--- /dev/null
+++ b/apps/api/src/identify/identify.module.ts
@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+import { AuthModule } from '../auth/auth.module';
+import { IdentifyController } from './identify.controller';
+import { IdentifyService } from './identify.service';
+
+@Module({
+  imports: [AuthModule],
+  controllers: [IdentifyController],
+  providers: [IdentifyService],
+})
+export class IdentifyModule {}
diff --git a/apps/api/src/identify/identify.service.ts b/apps/api/src/identify/identify.service.ts
new file mode 100644
index 0000000..3a4cf05
--- /dev/null
+++ b/apps/api/src/identify/identify.service.ts
@@ -0,0 +1,293 @@
+import { Injectable, Logger, NotFoundException } from '@nestjs/common';
+import { createHash, randomBytes } from 'crypto';
+import { unlinkSync, writeFileSync } from 'fs';
+import { join } from 'path';
+import { DatabaseService } from '../db/database.service';
+import { WritableDbService } from '../db/writable-db.service';
+import { PUBLIC_PREFIX, uploadDir } from '../photos/uploads';
+
+/** DashScope（阿里云·通义千问）OpenAI 兼容多模态接口。*/
+const ENDPOINT =
+  process.env.DASHSCOPE_ENDPOINT ||
+  'https://dashscope.aliyuncs.com/compatible-mode/v1/chat/completions';
+const MODEL = process.env.DASHSCOPE_VL_MODEL || 'qwen-vl-plus';
+
+export interface Guess {
+  model_code: string;
+  name: string;
+  confidence: number;
+  reason: string;
+}
+export interface ModelMatch {
+  id: number;
+  model_code: string;
+  category: string;
+}
+export interface Identification {
+  id: number;
+  url: string;
+  summary: string;
+  guesses: Guess[];
+  matches: ModelMatch[];
+  topCode: string;
+  topName: string;
+  note: string;
+  error: string;
+  cached: boolean;
+  configured: boolean;
+  createdAt: string;
+}
+
+const EXT: Record<string, string> = {
+  'image/jpeg': '.jpg',
+  'image/jpg': '.jpg',
+  'image/png': '.png',
+  'image/webp': '.webp',
+  'image/gif': '.gif',
+};
+
+@Injectable()
+export class IdentifyService {
+  private readonly logger = new Logger(IdentifyService.name);
+  constructor(
+    private readonly db: DatabaseService,
+    private readonly wdb: WritableDbService,
+  ) {}
+
+  /** 识别并持久化：命中图片哈希缓存则复用结果（不再调用 LLM）。*/
+  async identifyAndSave(
+    userId: number,
+    buffer: Buffer,
+    mimetype: string,
+  ): Promise<Identification> {
+    const hash = createHash('sha256').update(buffer).digest('hex');
+
+    // 缓存：同一张图（哈希一致）此前已成功识别 → 复用结果与图片文件
+    const cachedRow: any = this.wdb.db
+      .prepare(
+        `SELECT * FROM identifications
+         WHERE image_hash = ? AND guesses_json <> '[]' AND error = ''
+         ORDER BY id DESC LIMIT 1`,
+      )
+      .get(hash);
+
+    let filename: string;
+    let summary = '';
+    let guesses: Guess[] = [];
+    let matches: ModelMatch[] = [];
+    let error = '';
+    let cached = false;
+    let configured = true;
+
+    if (cachedRow) {
+      cached = true;
+      filename = cachedRow.filename;
+      summary = cachedRow.summary || '';
+      guesses = JSON.parse(cachedRow.guesses_json || '[]');
+      matches = JSON.parse(cachedRow.matches_json || '[]');
+    } else {
+      // 落盘图片
+      const ext = EXT[mimetype] || '.jpg';
+      filename = `idf-${Date.now()}-${randomBytes(5).toString('hex')}${ext}`;
+      writeFileSync(join(uploadDir(), filename), buffer);
+
+      const dataUrl = `data:${mimetype};base64,${buffer.toString('base64')}`;
+      const r = await this.runModel(dataUrl);
+      configured = r.configured;
+      error = r.error;
+      summary = r.summary;
+      guesses = r.guesses;
+      matches = r.matches;
+    }
+
+    const top = guesses[0];
+    const info = this.wdb.db
+      .prepare(
+        `INSERT INTO identifications
+         (user_id, filename, image_hash, summary, guesses_json, matches_json, top_code, top_name, error)
+         VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
+      )
+      .run(
+        userId,
+        filename,
+        hash,
+        summary,
+        JSON.stringify(guesses),
+        JSON.stringify(matches),
+        top?.model_code ?? '',
+        top?.name ?? '',
+        error,
+      );
+
+    const row: any = this.wdb.db
+      .prepare('SELECT * FROM identifications WHERE id = ?')
+      .get(Number(info.lastInsertRowid));
+    return { ...this.toPublic(row), cached, configured };
+  }
+
+  list(userId: number): Identification[] {
+    const rows = this.wdb.db
+      .prepare('SELECT * FROM identifications WHERE user_id = ? ORDER BY id DESC')
+      .all(userId) as any[];
+    return rows.map((r) => this.toPublic(r));
+  }
+
+  updateNote(userId: number, id: number, note: string): Identification {
+    const row: any = this.wdb.db
+      .prepare('SELECT * FROM identifications WHERE id = ? AND user_id = ?')
+      .get(id, userId);
+    if (!row) throw new NotFoundException('记录不存在');
+    this.wdb.db
+      .prepare('UPDATE identifications SET note = ? WHERE id = ?')
+      .run((note ?? '').slice(0, 500), id);
+    return this.toPublic(
+      this.wdb.db.prepare('SELECT * FROM identifications WHERE id = ?').get(id),
+    );
+  }
+
+  remove(userId: number, id: number): { ok: boolean } {
+    const row: any = this.wdb.db
+      .prepare('SELECT * FROM identifications WHERE id = ? AND user_id = ?')
+      .get(id, userId);
+    if (!row) throw new NotFoundException('记录不存在');
+    this.wdb.db.prepare('DELETE FROM identifications WHERE id = ?').run(id);
+    // 仅当没有其它记录共用该图片文件（缓存去重）时删除文件
+    const others = this.wdb.db
+      .prepare('SELECT 1 FROM identifications WHERE filename = ? LIMIT 1')
+      .get(row.filename);
+    if (!others) {
+      try {
+        unlinkSync(join(uploadDir(), row.filename));
+      } catch {
+        /* 文件可能已不存在 */
+      }
+    }
+    return { ok: true };
+  }
+
+  private toPublic(row: any): Identification {
+    return {
+      id: row.id,
+      url: `${PUBLIC_PREFIX}/${row.filename}`,
+      summary: row.summary || '',
+      guesses: JSON.parse(row.guesses_json || '[]'),
+      matches: JSON.parse(row.matches_json || '[]'),
+      topCode: row.top_code || '',
+      topName: row.top_name || '',
+      note: row.note || '',
+      error: row.error || '',
+      cached: false,
+      configured: true,
+      createdAt: row.created_at,
+    };
+  }
+
+  /** 调用通义千问视觉模型并解析候选 + 匹配图鉴库。*/
+  private async runModel(dataUrl: string): Promise<{
+    configured: boolean;
+    summary: string;
+    guesses: Guess[];
+    matches: ModelMatch[];
+    error: string;
+  }> {
+    const key = process.env.DASHSCOPE_API_KEY;
+    if (!key) {
+      return {
+        configured: false,
+        summary: '',
+        guesses: [],
+        matches: [],
+        error:
+          'AI 识图未配置：请在 apps/api/.env 设置 DASHSCOPE_API_KEY（通义千问 DashScope 密钥）后重启后端。',
+      };
+    }
+
+    const prompt =
+      '这是一张中国铁路机车或动车组的照片。请作为资深铁路机车识别专家，判断它最可能是哪一(几)种车型。\n' +
+      '只输出 JSON（不要任何额外文字、不要 markdown 代码块），格式：\n' +
+      '{"summary":"一句话总体判断","guesses":[{"model_code":"型号代码，如 HXD1/CR400AF/DF4/SS8/前进型","name":"中文名称","confidence":0.0到1.0之间的数,"reason":"判断依据(车头/涂装/受电弓/轮式等外观特征)"}]}\n' +
+      '最多给 3 个候选，按可能性从高到低排序。若无法判断也要给出最接近的猜测。';
+
+    let content = '';
+    try {
+      const res = await fetch(ENDPOINT, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          Authorization: `Bearer ${key}`,
+        },
+        body: JSON.stringify({
+          model: MODEL,
+          messages: [
+            {
+              role: 'user',
+              content: [
+                { type: 'text', text: prompt },
+                { type: 'image_url', image_url: { url: dataUrl } },
+              ],
+            },
+          ],
+        }),
+      });
+      const j: any = await res.json().catch(() => ({}));
+      if (!res.ok) {
+        const m = j?.error?.message || j?.message || `HTTP ${res.status}`;
+        return { configured: true, summary: '', guesses: [], matches: [], error: `AI 服务返回错误：${m}` };
+      }
+      const raw = j?.choices?.[0]?.message?.content;
+      content = Array.isArray(raw)
+        ? raw.map((c: any) => c?.text || '').join('')
+        : String(raw ?? '');
+    } catch (e: any) {
+      this.logger.error(`identify 调用失败: ${e?.message || e}`);
+      return { configured: true, summary: '', guesses: [], matches: [], error: `调用 AI 服务失败：${e?.message || e}` };
+    }
+
+    const parsed = this.parse(content);
+    const matches = this.matchModels(parsed.guesses);
+    return { configured: true, summary: parsed.summary, guesses: parsed.guesses, matches, error: '' };
+  }
+
+  /** 从模型文本中解析 JSON（容错：截取首个 {...} 块）。*/
+  private parse(text: string): { summary: string; guesses: Guess[] } {
+    const block = text.match(/\{[\s\S]*\}/);
+    if (block) {
+      try {
+        const o = JSON.parse(block[0]);
+        const guesses: Guess[] = Array.isArray(o.guesses)
+          ? o.guesses.slice(0, 3).map((g: any) => ({
+              model_code: String(g.model_code ?? g.code ?? '').trim(),
+              name: String(g.name ?? '').trim(),
+              confidence: Math.max(0, Math.min(1, Number(g.confidence) || 0)),
+              reason: String(g.reason ?? '').trim(),
+            }))
+          : [];
+        return { summary: String(o.summary ?? '').trim(), guesses };
+      } catch {
+        /* 解析失败则回退原文 */
+      }
+    }
+    return { summary: text.trim().slice(0, 300), guesses: [] };
+  }
+
+  /** 把 AI 猜测的型号匹配到图鉴库，给出可点击的详情链接。*/
+  private matchModels(guesses: Guess[]): ModelMatch[] {
+    const stmt = this.db.db.prepare(
+      `SELECT m.id, m.model_code, c.name AS category
+       FROM model m JOIN category c ON c.id = m.category_id
+       WHERE m.model_code LIKE ? OR m.full_name LIKE ? OR m.series LIKE ?
+       LIMIT 4`,
+    );
+    const out = new Map<number, ModelMatch>();
+    for (const g of guesses) {
+      for (const raw of [g.model_code, g.name].filter(Boolean)) {
+        const latin = (raw.match(/[A-Za-z0-9]+/g) || []).join('');
+        const key = latin || raw;
+        if (key.length < 2) continue;
+        const rows = stmt.all(`%${key}%`, `%${key}%`, `%${key}%`) as ModelMatch[];
+        for (const r of rows) if (!out.has(r.id)) out.set(r.id, r);
+      }
+    }
+    return [...out.values()].slice(0, 8);
+  }
+}
diff --git a/apps/api/src/main.ts b/apps/api/src/main.ts
new file mode 100644
index 0000000..1f93398
--- /dev/null
+++ b/apps/api/src/main.ts
@@ -0,0 +1,30 @@
+import { NestFactory } from '@nestjs/core';
+import { ValidationPipe, Logger } from '@nestjs/common';
+import * as express from 'express';
+import { AppModule } from './app.module';
+import { uploadDir, PUBLIC_PREFIX } from './photos/uploads';
+
+// 加载 apps/api/.env（Node 20.12+/22 内置；缺失时忽略）
+try {
+  (process as any).loadEnvFile?.();
+} catch {
+  /* 没有 .env 文件时忽略 */
+}
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+  app.useGlobalPipes(
+    new ValidationPipe({
+      transform: true,
+      whitelist: true,
+      forbidNonWhitelisted: false,
+    }),
+  );
+  app.enableCors();
+  // 静态服务上传的图片（共享图库）
+  app.use(PUBLIC_PREFIX, express.static(uploadDir()));
+  const port = process.env.PORT || 3001;
+  await app.listen(port);
+  new Logger('Bootstrap').log(`API 已启动: http://localhost:${port}/api/health`);
+}
+bootstrap();
diff --git a/apps/api/src/models/models.controller.ts b/apps/api/src/models/models.controller.ts
new file mode 100644
index 0000000..e13ff5d
--- /dev/null
+++ b/apps/api/src/models/models.controller.ts
@@ -0,0 +1,29 @@
+import {
+  Controller,
+  Get,
+  Param,
+  ParseIntPipe,
+  Query,
+} from '@nestjs/common';
+import { ModelsService } from './models.service';
+import { QueryModelsDto } from './query-models.dto';
+
+@Controller('api/models')
+export class ModelsController {
+  constructor(private readonly models: ModelsService) {}
+
+  @Get()
+  list(@Query() query: QueryModelsDto) {
+    return this.models.list(query);
+  }
+
+  @Get('families')
+  families(@Query('category') category?: string) {
+    return this.models.families(category);
+  }
+
+  @Get(':id')
+  detail(@Param('id', ParseIntPipe) id: number) {
+    return this.models.getById(id);
+  }
+}
diff --git a/apps/api/src/models/models.module.ts b/apps/api/src/models/models.module.ts
new file mode 100644
index 0000000..349d673
--- /dev/null
+++ b/apps/api/src/models/models.module.ts
@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { ModelsController } from './models.controller';
+import { ModelsService } from './models.service';
+
+@Module({
+  controllers: [ModelsController],
+  providers: [ModelsService],
+  exports: [ModelsService],
+})
+export class ModelsModule {}
diff --git a/apps/api/src/models/models.service.spec.ts b/apps/api/src/models/models.service.spec.ts
new file mode 100644
index 0000000..f478428
--- /dev/null
+++ b/apps/api/src/models/models.service.spec.ts
@@ -0,0 +1,84 @@
+import Database from 'better-sqlite3';
+import { NotFoundException } from '@nestjs/common';
+import { ModelsService } from './models.service';
+import { QueryModelsDto } from './query-models.dto';
+import { seedDatabase } from '../testing/seed';
+
+/** ModelsService 单元测试 — 对应 T-1.3 UT。*/
+describe('ModelsService', () => {
+  let service: ModelsService;
+  let db: Database.Database;
+
+  beforeAll(() => {
+    db = new Database(':memory:');
+    seedDatabase(db);
+    const wdb = new Database(':memory:');
+    wdb.exec(
+      `CREATE TABLE model_overrides (model_id INTEGER, field TEXT, value TEXT,
+        revision_id INTEGER, updated_at TEXT, PRIMARY KEY(model_id, field));
+       CREATE TABLE photos (id INTEGER PRIMARY KEY AUTOINCREMENT, model_id INTEGER,
+        uploader_id INTEGER, filename TEXT, caption TEXT DEFAULT '',
+        status TEXT DEFAULT 'confirmed', source_url TEXT DEFAULT '',
+        author TEXT DEFAULT '', license TEXT DEFAULT '',
+        featured INTEGER NOT NULL DEFAULT 0, created_at TEXT DEFAULT '');`,
+    );
+    service = new ModelsService({ db } as any, { db: wdb } as any);
+  });
+
+  afterAll(() => db.close());
+
+  const q = (over: Partial<QueryModelsDto> = {}): QueryModelsDto =>
+    Object.assign(new QueryModelsDto(), over);
+
+  it('返回分页结构', () => {
+    const res = service.list(q());
+    expect(res.total).toBe(2);
+    expect(res.page).toBe(1);
+    expect(res.items.length).toBe(2);
+  });
+
+  it('按分类名模糊筛选', () => {
+    const res = service.list(q({ category: '电力' }));
+    expect(res.total).toBe(1);
+    expect(res.items[0].model_code).toBe('HXD1型');
+  });
+
+  it('按年代区间筛选', () => {
+    const res = service.list(q({ yearFrom: 2010 }));
+    expect(res.total).toBe(1);
+    expect(res.items[0].model_code).toBe('CR400AF');
+  });
+
+  it('按时速区间筛选', () => {
+    const res = service.list(q({ speedMin: 300 }));
+    expect(res.total).toBe(1);
+    expect(res.items[0].model_code).toBe('CR400AF');
+  });
+
+  it('关键字搜索', () => {
+    const res = service.list(q({ q: 'HXD' }));
+    expect(res.total).toBe(1);
+  });
+
+  it('排序：按时速降序', () => {
+    const res = service.list(q({ sort: 'max_speed_value', order: 'desc' }));
+    expect(res.items[0].model_code).toBe('CR400AF');
+  });
+
+  it('空结果不报错', () => {
+    const res = service.list(q({ manufacturer: '不存在' }));
+    expect(res.total).toBe(0);
+    expect(res.items).toEqual([]);
+  });
+
+  it('详情含解析后的 raw 字段', () => {
+    const list = service.list(q({ category: '电力' }));
+    const detail = service.getById(list.items[0].id);
+    expect(detail.model_code).toBe('HXD1型');
+    expect(detail.raw).toBeDefined();
+  });
+
+  it('详情不存在抛 404', () => {
+    expect(() => service.getById(99999)).toThrow(NotFoundException);
+  });
+});
diff --git a/apps/api/src/models/models.service.ts b/apps/api/src/models/models.service.ts
new file mode 100644
index 0000000..c2dcd2b
--- /dev/null
+++ b/apps/api/src/models/models.service.ts
@@ -0,0 +1,188 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import { DatabaseService } from '../db/database.service';
+import { WritableDbService } from '../db/writable-db.service';
+import { EDITABLE_MAP } from '../contrib/editable-fields';
+import { QueryModelsDto, SORTABLE_FIELDS } from './query-models.dto';
+
+export interface PagedResult<T> {
+  total: number;
+  page: number;
+  pageSize: number;
+  items: T[];
+}
+
+@Injectable()
+export class ModelsService {
+  constructor(
+    private readonly database: DatabaseService,
+    private readonly wdb: WritableDbService,
+  ) {}
+
+  /** 构造 WHERE 子句与绑定参数（参数化，避免注入）。*/
+  private buildWhere(q: QueryModelsDto): { clause: string; params: any[] } {
+    const conds: string[] = [];
+    const params: any[] = [];
+
+    if (q.category) {
+      if (/^\d+$/.test(q.category)) {
+        conds.push('m.category_id = ?');
+        params.push(Number(q.category));
+      } else {
+        conds.push('c.name LIKE ?');
+        params.push(`%${q.category}%`);
+      }
+    }
+    if (q.yearFrom != null) {
+      conds.push('m.first_year >= ?');
+      params.push(q.yearFrom);
+    }
+    if (q.yearTo != null) {
+      conds.push('m.first_year <= ?');
+      params.push(q.yearTo);
+    }
+    if (q.speedMin != null) {
+      conds.push('m.max_speed_value >= ?');
+      params.push(q.speedMin);
+    }
+    if (q.speedMax != null) {
+      conds.push('m.max_speed_value <= ?');
+      params.push(q.speedMax);
+    }
+    if (q.manufacturer) {
+      conds.push('m.manufacturer LIKE ?');
+      params.push(`%${q.manufacturer}%`);
+    }
+    if (q.country) {
+      conds.push('m.country_type = ?');
+      params.push(q.country);
+    }
+    if (q.status) {
+      conds.push('m.status = ?');
+      params.push(q.status);
+    }
+    if (q.q) {
+      conds.push('(m.model_code LIKE ? OR m.full_name LIKE ? OR m.series LIKE ?)');
+      params.push(`%${q.q}%`, `%${q.q}%`, `%${q.q}%`);
+    }
+    const clause = conds.length ? `WHERE ${conds.join(' AND ')}` : '';
+    return { clause, params };
+  }
+
+  list(q: QueryModelsDto): PagedResult<any> {
+    const { clause, params } = this.buildWhere(q);
+    const db = this.database.db;
+
+    const total = (
+      db
+        .prepare(
+          `SELECT COUNT(*) AS n FROM model m
+           JOIN category c ON c.id = m.category_id ${clause}`,
+        )
+        .get(...params) as { n: number }
+    ).n;
+
+    const sort = (SORTABLE_FIELDS as readonly string[]).includes(q.sort)
+      ? q.sort
+      : 'first_year';
+    const order = q.order === 'desc' ? 'DESC' : 'ASC';
+    const offset = (q.page - 1) * q.pageSize;
+
+    const items = db
+      .prepare(
+        `SELECT m.id, m.model_code, m.full_name, m.series, m.manufacturer,
+                m.country, m.country_type, m.first_year, m.last_year, m.status,
+                m.usage, m.max_speed_value, m.max_speed_unit,
+                m.weight_value, m.weight_unit, m.axle_arrangement,
+                c.name AS category, c.subcat
+         FROM model m JOIN category c ON c.id = m.category_id
+         ${clause}
+         ORDER BY (m.${sort} IS NULL), m.${sort} ${order}, m.id ASC
+         LIMIT ? OFFSET ?`,
+      )
+      .all(...params, q.pageSize, offset) as any[];
+
+    // 附加共享图库封面（每个车型最早一张照片）
+    if (items.length) {
+      const ids = items.map((i) => i.id);
+      const ph = ids.map(() => '?').join(',');
+      const covers = this.wdb.db
+        .prepare(
+          `SELECT p.model_id, p.filename FROM photos p
+           WHERE p.status='confirmed' AND p.model_id IN (${ph})
+           AND p.id = (SELECT p2.id FROM photos p2
+                       WHERE p2.model_id = p.model_id AND p2.status='confirmed'
+                       ORDER BY p2.featured DESC, p2.id ASC LIMIT 1)`,
+        )
+        .all(...ids) as { model_id: number; filename: string }[];
+      const map = new Map(covers.map((c) => [c.model_id, c.filename]));
+      for (const it of items) {
+        const f = map.get(it.id);
+        it.cover_url = f ? `/uploads/${f}` : null;
+      }
+    }
+
+    return { total, page: q.page, pageSize: q.pageSize, items };
+  }
+
+  getById(id: number): any {
+    const db = this.database.db;
+    const row: any = db
+      .prepare(
+        `SELECT m.*, c.name AS category, c.subcat
+         FROM model m JOIN category c ON c.id = m.category_id
+         WHERE m.id = ?`,
+      )
+      .get(id);
+    if (!row) {
+      throw new NotFoundException(`车型 ${id} 不存在`);
+    }
+    if (row.raw_json) {
+      try {
+        row.raw = JSON.parse(row.raw_json);
+      } catch {
+        row.raw = {};
+      }
+    }
+    // 叠加众包字段覆盖（已审核通过的编辑）
+    const overrides = this.wdb.db
+      .prepare('SELECT field, value FROM model_overrides WHERE model_id = ?')
+      .all(id) as { field: string; value: string }[];
+    if (overrides.length) {
+      row.overridden = [];
+      for (const o of overrides) {
+        const def = EDITABLE_MAP.get(o.field);
+        row[o.field] =
+          def?.type === 'int' ? (o.value === '' ? null : Number(o.value)) : o.value;
+        row.overridden.push(o.field);
+      }
+    }
+    return row;
+  }
+
+  /** 技术族谱：按分类→系列聚合现有车型（series 字段）。*/
+  families(category?: string) {
+    const rows = this.database.db
+      .prepare(
+        `SELECT m.id, m.model_code, m.series, m.first_year, m.last_year,
+                m.country_type, m.max_speed_value, m.max_speed_unit,
+                c.name AS category
+         FROM model m JOIN category c ON c.id = m.category_id
+         ${category ? 'WHERE c.name = ?' : ''}
+         ORDER BY c.name, m.series, (m.first_year IS NULL), m.first_year`,
+      )
+      .all(...(category ? [category] : [])) as any[];
+
+    const cats = new Map<string, Map<string, any[]>>();
+    for (const r of rows) {
+      if (!cats.has(r.category)) cats.set(r.category, new Map());
+      const series = r.series || '（未归类）';
+      const sm = cats.get(r.category)!;
+      if (!sm.has(series)) sm.set(series, []);
+      sm.get(series)!.push(r);
+    }
+    return [...cats.entries()].map(([cat, sm]) => ({
+      category: cat,
+      series: [...sm.entries()].map(([name, models]) => ({ name, models })),
+    }));
+  }
+}
diff --git a/apps/api/src/models/query-models.dto.ts b/apps/api/src/models/query-models.dto.ts
new file mode 100644
index 0000000..2d3ff10
--- /dev/null
+++ b/apps/api/src/models/query-models.dto.ts
@@ -0,0 +1,82 @@
+import { Type } from 'class-transformer';
+import {
+  IsIn,
+  IsInt,
+  IsOptional,
+  IsString,
+  Max,
+  Min,
+} from 'class-validator';
+
+/** 车型列表查询参数 — 对应 FR-1.1 / FR-1.2。*/
+export const SORTABLE_FIELDS = [
+  'first_year',
+  'last_year',
+  'max_speed_value',
+  'weight_value',
+  'model_code',
+  'id',
+] as const;
+
+export class QueryModelsDto {
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  @Min(1)
+  page = 1;
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  @Min(1)
+  @Max(1000)
+  pageSize = 20;
+
+  /** 分类：可传 category_id（数字）或分类名（模糊）。*/
+  @IsOptional()
+  @IsString()
+  category?: string;
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  yearFrom?: number;
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  yearTo?: number;
+
+  @IsOptional()
+  @Type(() => Number)
+  speedMin?: number;
+
+  @IsOptional()
+  @Type(() => Number)
+  speedMax?: number;
+
+  @IsOptional()
+  @IsString()
+  manufacturer?: string;
+
+  @IsOptional()
+  @IsString()
+  country?: string;
+
+  @IsOptional()
+  @IsString()
+  status?: string;
+
+  /** 快速关键字（型号/全称模糊）。*/
+  @IsOptional()
+  @IsString()
+  q?: string;
+
+  @IsOptional()
+  @IsIn(SORTABLE_FIELDS as unknown as string[])
+  sort: string = 'first_year';
+
+  @IsOptional()
+  @IsIn(['asc', 'desc'])
+  order: 'asc' | 'desc' = 'asc';
+}
diff --git a/apps/api/src/photos/photos.controller.ts b/apps/api/src/photos/photos.controller.ts
new file mode 100644
index 0000000..7d2f819
--- /dev/null
+++ b/apps/api/src/photos/photos.controller.ts
@@ -0,0 +1,101 @@
+import {
+  BadRequestException,
+  Body,
+  Controller,
+  Delete,
+  Get,
+  Param,
+  ParseIntPipe,
+  Post,
+  UploadedFile,
+  UseGuards,
+  UseInterceptors,
+} from '@nestjs/common';
+import { FileInterceptor } from '@nestjs/platform-express';
+import { diskStorage } from 'multer';
+import { extname } from 'path';
+import { randomBytes } from 'crypto';
+import { PhotosService } from './photos.service';
+import { uploadDir } from './uploads';
+import {
+  CurrentUser,
+  JwtAuthGuard,
+  Roles,
+  RolesGuard,
+  type JwtPayload,
+} from '../auth/roles';
+
+const ALLOWED = /\.(jpe?g|png|webp|gif)$/i;
+
+const storage = diskStorage({
+  destination: (_req, _file, cb) => cb(null, uploadDir()),
+  filename: (_req, file, cb) =>
+    cb(null, `${Date.now()}-${randomBytes(6).toString('hex')}${extname(file.originalname).toLowerCase()}`),
+});
+
+@Controller('api')
+export class PhotosController {
+  constructor(private readonly photos: PhotosService) {}
+
+  /** 公共图库：某车型的全部照片（所有人可看）。*/
+  @Get('models/:id/photos')
+  list(@Param('id', ParseIntPipe) id: number) {
+    return this.photos.listForModel(id);
+  }
+
+  /** 管理员候选审图：全站待确认照片。*/
+  @Get('photos/candidates')
+  @UseGuards(JwtAuthGuard, RolesGuard)
+  @Roles('admin')
+  candidates() {
+    return this.photos.listCandidates();
+  }
+
+  /** 管理员上传到共享图库。*/
+  @Post('models/:id/photos')
+  @UseGuards(JwtAuthGuard, RolesGuard)
+  @Roles('admin')
+  @UseInterceptors(
+    FileInterceptor('file', {
+      storage,
+      limits: { fileSize: 8 * 1024 * 1024 },
+      fileFilter: (_req, file, cb) =>
+        ALLOWED.test(file.originalname)
+          ? cb(null, true)
+          : cb(new BadRequestException('仅支持 jpg/png/webp/gif'), false),
+    }),
+  )
+  upload(
+    @Param('id', ParseIntPipe) id: number,
+    @UploadedFile() file: Express.Multer.File,
+    @Body('caption') caption: string,
+    @CurrentUser() user: JwtPayload,
+  ) {
+    if (!file) throw new BadRequestException('未收到文件');
+    return this.photos.add(id, user.sub, file.filename, {
+      caption: caption ?? '',
+      status: 'confirmed',
+    });
+  }
+
+  @Post('photos/:pid/confirm')
+  @UseGuards(JwtAuthGuard, RolesGuard)
+  @Roles('admin')
+  confirm(@Param('pid', ParseIntPipe) pid: number) {
+    return this.photos.confirm(pid);
+  }
+
+  @Post('photos/:pid/feature')
+  @UseGuards(JwtAuthGuard, RolesGuard)
+  @Roles('admin')
+  feature(@Param('pid', ParseIntPipe) pid: number) {
+    return this.photos.setFeatured(pid);
+  }
+
+  @Delete('photos/:pid')
+  @UseGuards(JwtAuthGuard, RolesGuard)
+  @Roles('admin')
+  remove(@Param('pid', ParseIntPipe) pid: number) {
+    return this.photos.remove(pid);
+  }
+}
diff --git a/apps/api/src/photos/photos.module.ts b/apps/api/src/photos/photos.module.ts
new file mode 100644
index 0000000..922ab07
--- /dev/null
+++ b/apps/api/src/photos/photos.module.ts
@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+import { PhotosService } from './photos.service';
+import { PhotosController } from './photos.controller';
+import { AuthModule } from '../auth/auth.module';
+
+@Module({
+  imports: [AuthModule],
+  controllers: [PhotosController],
+  providers: [PhotosService],
+})
+export class PhotosModule {}
diff --git a/apps/api/src/photos/photos.service.ts b/apps/api/src/photos/photos.service.ts
new file mode 100644
index 0000000..c6d79b3
--- /dev/null
+++ b/apps/api/src/photos/photos.service.ts
@@ -0,0 +1,142 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import { unlinkSync } from 'fs';
+import { join } from 'path';
+import { WritableDbService } from '../db/writable-db.service';
+import { DatabaseService } from '../db/database.service';
+import { PUBLIC_PREFIX, uploadDir } from './uploads';
+
+export interface AddPhotoOpts {
+  caption?: string;
+  status?: 'candidate' | 'confirmed';
+  sourceUrl?: string;
+  author?: string;
+  license?: string;
+}
+
+@Injectable()
+export class PhotosService {
+  constructor(
+    private readonly wdb: WritableDbService,
+    private readonly ro: DatabaseService,
+  ) {}
+
+  private toPublic(row: any) {
+    return {
+      id: row.id,
+      modelId: row.model_id,
+      url: `${PUBLIC_PREFIX}/${row.filename}`,
+      caption: row.caption,
+      status: row.status,
+      featured: !!row.featured,
+      sourceUrl: row.source_url,
+      author: row.author,
+      license: row.license,
+      uploaderId: row.uploader_id,
+      uploaderName: row.uploader_name,
+      createdAt: row.created_at,
+    };
+  }
+
+  add(modelId: number, uploaderId: number, filename: string, opts: AddPhotoOpts = {}) {
+    const info = this.wdb.db
+      .prepare(
+        `INSERT INTO photos (model_id, uploader_id, filename, caption, status, source_url, author, license)
+         VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
+      )
+      .run(
+        modelId,
+        uploaderId,
+        filename,
+        (opts.caption ?? '').trim(),
+        opts.status ?? 'confirmed',
+        opts.sourceUrl ?? '',
+        opts.author ?? '',
+        opts.license ?? '',
+      );
+    return this.get(Number(info.lastInsertRowid));
+  }
+
+  get(id: number) {
+    const row = this.wdb.db
+      .prepare(
+        `SELECT p.*, u.display_name AS uploader_name
+         FROM photos p JOIN users u ON u.id = p.uploader_id WHERE p.id = ?`,
+      )
+      .get(id);
+    if (!row) throw new NotFoundException('照片不存在');
+    return this.toPublic(row);
+  }
+
+  listForModel(modelId: number) {
+    return (
+      this.wdb.db
+        .prepare(
+          `SELECT p.*, u.display_name AS uploader_name
+           FROM photos p JOIN users u ON u.id = p.uploader_id
+           WHERE p.model_id = ?
+           ORDER BY (p.status='confirmed') DESC, p.created_at ASC, p.id ASC`,
+        )
+        .all(modelId) as any[]
+    ).map((r) => this.toPublic(r));
+  }
+
+  confirm(id: number) {
+    const row = this.wdb.db.prepare('SELECT 1 FROM photos WHERE id = ?').get(id);
+    if (!row) throw new NotFoundException('照片不存在');
+    this.wdb.db.prepare("UPDATE photos SET status='confirmed' WHERE id = ?").run(id);
+    return this.get(id);
+  }
+
+  /** 设为该车型封面（同时置为已确认；清掉同车型其它封面标记）。*/
+  setFeatured(id: number) {
+    const row: any = this.wdb.db.prepare('SELECT model_id FROM photos WHERE id = ?').get(id);
+    if (!row) throw new NotFoundException('照片不存在');
+    const tx = this.wdb.db.transaction(() => {
+      this.wdb.db.prepare('UPDATE photos SET featured=0 WHERE model_id=?').run(row.model_id);
+      this.wdb.db
+        .prepare("UPDATE photos SET featured=1, status='confirmed' WHERE id=?")
+        .run(id);
+    });
+    tx();
+    return this.get(id);
+  }
+
+  /** 全站候选图（管理员审图页），附车型信息。*/
+  listCandidates(limit = 300) {
+    const rows = this.wdb.db
+      .prepare(
+        `SELECT p.*, u.display_name AS uploader_name
+         FROM photos p JOIN users u ON u.id = p.uploader_id
+         WHERE p.status = 'candidate'
+         ORDER BY p.model_id, p.id LIMIT ?`,
+      )
+      .all(limit) as any[];
+    if (rows.length === 0) return [];
+    const ids = [...new Set(rows.map((r) => r.model_id))];
+    const ph = ids.map(() => '?').join(',');
+    const models = this.ro.db
+      .prepare(
+        `SELECT m.id, m.model_code, c.name AS category
+         FROM model m JOIN category c ON c.id = m.category_id WHERE m.id IN (${ph})`,
+      )
+      .all(...ids) as { id: number; model_code: string; category: string }[];
+    const map = new Map(models.map((m) => [m.id, m]));
+    return rows.map((r) => ({
+      ...this.toPublic(r),
+      modelCode: map.get(r.model_id)?.model_code ?? `#${r.model_id}`,
+      category: map.get(r.model_id)?.category ?? '',
+    }));
+  }
+
+  remove(id: number) {
+    const row: any = this.wdb.db.prepare('SELECT * FROM photos WHERE id = ?').get(id);
+    if (!row) throw new NotFoundException('照片不存在');
+    try {
+      unlinkSync(join(uploadDir(), row.filename));
+    } catch {
+      /* 文件可能已不存在，忽略 */
+    }
+    this.wdb.db.prepare('DELETE FROM photos WHERE id = ?').run(id);
+    return { ok: true };
+  }
+}
diff --git a/apps/api/src/photos/uploads.ts b/apps/api/src/photos/uploads.ts
new file mode 100644
index 0000000..cb0f370
--- /dev/null
+++ b/apps/api/src/photos/uploads.ts
@@ -0,0 +1,13 @@
+import { mkdirSync } from 'fs';
+import { join, resolve } from 'path';
+
+/** 图片上传存储目录（可用 UPLOAD_DIR 覆盖，测试用）。*/
+export function uploadDir(): string {
+  const dir =
+    process.env.UPLOAD_DIR ||
+    resolve(join(__dirname, '..', '..', '..', '..', 'app', 'data', 'uploads'));
+  mkdirSync(dir, { recursive: true });
+  return dir;
+}
+
+export const PUBLIC_PREFIX = '/uploads';
diff --git a/apps/api/src/search/search.controller.ts b/apps/api/src/search/search.controller.ts
new file mode 100644
index 0000000..b41f489
--- /dev/null
+++ b/apps/api/src/search/search.controller.ts
@@ -0,0 +1,13 @@
+import { Controller, Get, Query } from '@nestjs/common';
+import { SearchService } from './search.service';
+
+@Controller('api/search')
+export class SearchController {
+  constructor(private readonly search: SearchService) {}
+
+  @Get()
+  doSearch(@Query('q') q: string, @Query('limit') limit?: string) {
+    const lim = limit ? Math.min(50, Math.max(1, Number(limit))) : 20;
+    return this.search.search(q, lim);
+  }
+}
diff --git a/apps/api/src/search/search.module.ts b/apps/api/src/search/search.module.ts
new file mode 100644
index 0000000..238d0e8
--- /dev/null
+++ b/apps/api/src/search/search.module.ts
@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { SearchController } from './search.controller';
+import { SearchService } from './search.service';
+
+@Module({
+  controllers: [SearchController],
+  providers: [SearchService],
+})
+export class SearchModule {}
diff --git a/apps/api/src/search/search.service.spec.ts b/apps/api/src/search/search.service.spec.ts
new file mode 100644
index 0000000..c5695f8
--- /dev/null
+++ b/apps/api/src/search/search.service.spec.ts
@@ -0,0 +1,41 @@
+import Database from 'better-sqlite3';
+import { SearchService } from './search.service';
+import { seedDatabase } from '../testing/seed';
+
+/** SearchService 单元测试 — 对应 T-1.4 UT。*/
+describe('SearchService', () => {
+  let service: SearchService;
+  let db: Database.Database;
+
+  beforeAll(() => {
+    db = new Database(':memory:');
+    seedDatabase(db);
+    service = new SearchService({ db } as any);
+  });
+
+  afterAll(() => db.close());
+
+  it('空查询返回空结果', () => {
+    expect(service.search('').results).toEqual([]);
+  });
+
+  it('按型号命中', () => {
+    const res = service.search('CR400');
+    expect(res.results.length).toBeGreaterThan(0);
+    expect(res.results[0].model_code).toBe('CR400AF');
+  });
+
+  it('按生产商命中', () => {
+    const res = service.search('株洲');
+    expect(res.results.some((r) => r.model_code === 'HXD1型')).toBe(true);
+  });
+
+  it('精确匹配排在前', () => {
+    const res = service.search('CR400AF');
+    expect(res.results[0].rank).toBe(0);
+  });
+
+  it('特殊字符不崩溃', () => {
+    expect(() => service.search("%_'")).not.toThrow();
+  });
+});
diff --git a/apps/api/src/search/search.service.ts b/apps/api/src/search/search.service.ts
new file mode 100644
index 0000000..02b56ce
--- /dev/null
+++ b/apps/api/src/search/search.service.ts
@@ -0,0 +1,44 @@
+import { Injectable } from '@nestjs/common';
+import { DatabaseService } from '../db/database.service';
+
+/**
+ * 搜索服务 — 对应 FR-1.3。
+ * 当前为 SQLite LIKE 实现（540 车型 / 307 个体规模足够），
+ * 按匹配位置排序（精确 > 前缀 > 包含）。
+ * Phase 1B 后续可替换为 Meilisearch（外部检索服务，本期延后）。
+ */
+@Injectable()
+export class SearchService {
+  constructor(private readonly database: DatabaseService) {}
+
+  search(q: string, limit = 20): { query: string; results: any[] } {
+    const query = (q || '').trim();
+    if (!query) {
+      return { query, results: [] };
+    }
+    const like = `%${query}%`;
+    const prefix = `${query}%`;
+    const db = this.database.db;
+
+    const models = db
+      .prepare(
+        `SELECT m.id, m.model_code, m.full_name, m.manufacturer, m.series,
+                c.name AS category,
+                CASE
+                  WHEN m.model_code = ? THEN 0
+                  WHEN m.model_code LIKE ? THEN 1
+                  WHEN m.model_code LIKE ? THEN 2
+                  ELSE 3
+                END AS rank
+         FROM model m JOIN category c ON c.id = m.category_id
+         WHERE m.model_code LIKE ? OR m.full_name LIKE ?
+            OR m.manufacturer LIKE ? OR m.series LIKE ?
+         ORDER BY rank ASC, m.first_year IS NULL, m.first_year ASC
+         LIMIT ?`,
+      )
+      .all(query, prefix, like, like, like, like, like, limit)
+      .map((r: any) => ({ type: 'model', ...r }));
+
+    return { query, results: models };
+  }
+}
diff --git a/apps/api/src/sightings/sightings.controller.ts b/apps/api/src/sightings/sightings.controller.ts
new file mode 100644
index 0000000..afa4a5c
--- /dev/null
+++ b/apps/api/src/sightings/sightings.controller.ts
@@ -0,0 +1,75 @@
+import {
+  Body,
+  Controller,
+  Get,
+  Param,
+  ParseIntPipe,
+  Post,
+  Query,
+  UseGuards,
+} from '@nestjs/common';
+import {
+  IsLatitude,
+  IsLongitude,
+  IsOptional,
+  IsString,
+  MaxLength,
+} from 'class-validator';
+import { Type } from 'class-transformer';
+import { SightingsService } from './sightings.service';
+import { CurrentUser, JwtAuthGuard, type JwtPayload } from '../auth/roles';
+
+class CreateSightingDto {
+  @Type(() => Number) @IsLatitude()
+  lat!: number;
+
+  @Type(() => Number) @IsLongitude()
+  lng!: number;
+
+  @IsOptional() @IsString() @MaxLength(60)
+  station?: string;
+
+  @IsOptional() @IsString() @MaxLength(20)
+  spottedAt?: string;
+
+  @IsOptional() @IsString() @MaxLength(40)
+  carNumber?: string;
+
+  @IsOptional() @IsString() @MaxLength(300)
+  description?: string;
+}
+
+@Controller('api')
+export class SightingsController {
+  constructor(private readonly sightings: SightingsService) {}
+
+  @Get('models/:id/sightings')
+  forModel(@Param('id', ParseIntPipe) id: number) {
+    return this.sightings.listForModel(id);
+  }
+
+  @Post('models/:id/sightings')
+  @UseGuards(JwtAuthGuard)
+  create(
+    @Param('id', ParseIntPipe) id: number,
+    @Body() dto: CreateSightingDto,
+    @CurrentUser() user: JwtPayload,
+  ) {
+    return this.sightings.create(user.sub, id, dto);
+  }
+
+  @Get('sightings/recent')
+  recent(@Query('limit') limit?: string) {
+    return this.sightings.recent(limit ? Number(limit) : 30);
+  }
+
+  @Get('sightings/map')
+  map() {
+    return this.sightings.mapPoints();
+  }
+
+  @Get('sightings/spots')
+  spots() {
+    return this.sightings.spots();
+  }
+}
diff --git a/apps/api/src/sightings/sightings.module.ts b/apps/api/src/sightings/sightings.module.ts
new file mode 100644
index 0000000..532c546
--- /dev/null
+++ b/apps/api/src/sightings/sightings.module.ts
@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+import { SightingsService } from './sightings.service';
+import { SightingsController } from './sightings.controller';
+import { AuthModule } from '../auth/auth.module';
+
+@Module({
+  imports: [AuthModule],
+  controllers: [SightingsController],
+  providers: [SightingsService],
+})
+export class SightingsModule {}
diff --git a/apps/api/src/sightings/sightings.service.ts b/apps/api/src/sightings/sightings.service.ts
new file mode 100644
index 0000000..cfe3a5f
--- /dev/null
+++ b/apps/api/src/sightings/sightings.service.ts
@@ -0,0 +1,125 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import { WritableDbService } from '../db/writable-db.service';
+import { DatabaseService } from '../db/database.service';
+
+export interface CreateSighting {
+  lat: number;
+  lng: number;
+  station?: string;
+  spottedAt?: string;
+  carNumber?: string;
+  description?: string;
+}
+
+@Injectable()
+export class SightingsService {
+  constructor(
+    private readonly wdb: WritableDbService,
+    private readonly ro: DatabaseService,
+  ) {}
+
+  /** 给 sighting 行补充 model_code / category（来自只读库）。*/
+  private enrich(rows: any[]): any[] {
+    if (rows.length === 0) return rows;
+    const ids = [...new Set(rows.map((r) => r.model_id))];
+    const ph = ids.map(() => '?').join(',');
+    const models = this.ro.db
+      .prepare(
+        `SELECT m.id, m.model_code, c.name AS category
+         FROM model m JOIN category c ON c.id = m.category_id
+         WHERE m.id IN (${ph})`,
+      )
+      .all(...ids) as { id: number; model_code: string; category: string }[];
+    const map = new Map(models.map((m) => [m.id, m]));
+    return rows.map((r) => ({
+      ...r,
+      model_code: map.get(r.model_id)?.model_code ?? `#${r.model_id}`,
+      category: map.get(r.model_id)?.category ?? '',
+    }));
+  }
+
+  create(userId: number, modelId: number, dto: CreateSighting) {
+    const exists = this.ro.db.prepare('SELECT 1 FROM model WHERE id = ?').get(modelId);
+    if (!exists) throw new NotFoundException(`车型 ${modelId} 不存在`);
+    const info = this.wdb.db
+      .prepare(
+        `INSERT INTO sightings (model_id, user_id, car_number, lat, lng, station, spotted_at, description)
+         VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
+      )
+      .run(
+        modelId,
+        userId,
+        (dto.carNumber ?? '').trim(),
+        dto.lat,
+        dto.lng,
+        (dto.station ?? '').trim(),
+        (dto.spottedAt ?? '').trim(),
+        (dto.description ?? '').trim(),
+      );
+    return this.getOne(Number(info.lastInsertRowid));
+  }
+
+  private getOne(id: number) {
+    const row = this.wdb.db
+      .prepare(
+        `SELECT s.*, u.display_name AS user_name
+         FROM sightings s JOIN users u ON u.id = s.user_id WHERE s.id = ?`,
+      )
+      .get(id);
+    return this.enrich([row])[0];
+  }
+
+  listForModel(modelId: number) {
+    const rows = this.wdb.db
+      .prepare(
+        `SELECT s.*, u.display_name AS user_name
+         FROM sightings s JOIN users u ON u.id = s.user_id
+         WHERE s.model_id = ? ORDER BY s.created_at DESC`,
+      )
+      .all(modelId);
+    return this.enrich(rows as any[]);
+  }
+
+  recent(limit = 30) {
+    const rows = this.wdb.db
+      .prepare(
+        `SELECT s.*, u.display_name AS user_name
+         FROM sightings s JOIN users u ON u.id = s.user_id
+         ORDER BY s.created_at DESC LIMIT ?`,
+      )
+      .all(Math.min(100, Math.max(1, limit)));
+    return this.enrich(rows as any[]);
+  }
+
+  mapPoints() {
+    const rows = this.wdb.db
+      .prepare(
+        `SELECT s.id, s.model_id, s.lat, s.lng, s.station, s.car_number
+         FROM sightings s ORDER BY s.created_at DESC LIMIT 1000`,
+      )
+      .all();
+    return this.enrich(rows as any[]);
+  }
+
+  /** 拍车攻略：按车站聚合，列出该站出现过的车型。*/
+  spots() {
+    const rows = this.wdb.db
+      .prepare(
+        `SELECT station, model_id, COUNT(*) AS n
+         FROM sightings
+         WHERE station != ''
+         GROUP BY station, model_id`,
+      )
+      .all() as { station: string; model_id: number; n: number }[];
+    const enriched = this.enrich(rows as any[]);
+    const byStation = new Map<string, { station: string; total: number; models: any[] }>();
+    for (const r of enriched) {
+      if (!byStation.has(r.station))
+        byStation.set(r.station, { station: r.station, total: 0, models: [] });
+      const e = byStation.get(r.station)!;
+      e.total += r.n;
+      e.models.push({ model_id: r.model_id, model_code: r.model_code, count: r.n });
+    }
+    return [...byStation.values()].sort((a, b) => b.total - a.total);
+  }
+}
diff --git a/apps/api/src/stats/stats.controller.ts b/apps/api/src/stats/stats.controller.ts
new file mode 100644
index 0000000..df112dd
--- /dev/null
+++ b/apps/api/src/stats/stats.controller.ts
@@ -0,0 +1,47 @@
+import { Controller, Get, Header } from '@nestjs/common';
+import { StatsService } from './stats.service';
+import { DatabaseService } from '../db/database.service';
+
+@Controller('api')
+export class StatsController {
+  constructor(
+    private readonly stats: StatsService,
+    private readonly db: DatabaseService,
+  ) {}
+
+  @Get('stats')
+  overview() {
+    return this.stats.overview();
+  }
+
+  /** 开放数据导出（JSON）。*/
+  @Get('export/models.json')
+  exportJson() {
+    return this.db.db
+      .prepare(
+        `SELECT m.id, m.model_code, m.series, m.full_name, m.manufacturer,
+                m.country, m.country_type, m.first_year, m.last_year, m.status,
+                m.usage, m.max_speed_value, m.max_speed_unit, c.name AS category
+         FROM model m JOIN category c ON c.id = m.category_id
+         ORDER BY m.id`,
+      )
+      .all();
+  }
+
+  /** 开放数据导出（CSV）。*/
+  @Get('export/models.csv')
+  @Header('Content-Type', 'text/csv; charset=utf-8')
+  @Header('Content-Disposition', 'attachment; filename="models.csv"')
+  exportCsv(): string {
+    const rows = this.exportJson() as Record<string, unknown>[];
+    if (rows.length === 0) return '';
+    const cols = Object.keys(rows[0]);
+    const esc = (v: unknown) => {
+      const s = v == null ? '' : String(v);
+      return /[",\n]/.test(s) ? `"${s.replace(/"/g, '""')}"` : s;
+    };
+    const head = cols.join(',');
+    const body = rows.map((r) => cols.map((c) => esc(r[c])).join(',')).join('\n');
+    return `${head}\n${body}\n`;
+  }
+}
diff --git a/apps/api/src/stats/stats.module.ts b/apps/api/src/stats/stats.module.ts
new file mode 100644
index 0000000..b32f092
--- /dev/null
+++ b/apps/api/src/stats/stats.module.ts
@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { StatsService } from './stats.service';
+import { StatsController } from './stats.controller';
+
+@Module({
+  controllers: [StatsController],
+  providers: [StatsService],
+})
+export class StatsModule {}
diff --git a/apps/api/src/stats/stats.service.ts b/apps/api/src/stats/stats.service.ts
new file mode 100644
index 0000000..b78d05f
--- /dev/null
+++ b/apps/api/src/stats/stats.service.ts
@@ -0,0 +1,50 @@
+import { Injectable } from '@nestjs/common';
+import { DatabaseService } from '../db/database.service';
+
+@Injectable()
+export class StatsService {
+  constructor(private readonly db: DatabaseService) {}
+
+  overview() {
+    const d = this.db.db;
+    const models = (d.prepare('SELECT COUNT(*) n FROM model').get() as any).n;
+    const units = (d.prepare('SELECT COUNT(*) n FROM unit').get() as any).n;
+    const categories = (d.prepare('SELECT COUNT(*) n FROM category').get() as any).n;
+
+    const byCategory = d
+      .prepare(
+        `SELECT c.name AS label, COUNT(*) AS count
+         FROM model m JOIN category c ON c.id = m.category_id
+         GROUP BY c.name ORDER BY count DESC`,
+      )
+      .all();
+
+    const byDecade = d
+      .prepare(
+        `SELECT (m.first_year/10)*10 AS decade, COUNT(*) AS count
+         FROM model m WHERE m.first_year IS NOT NULL
+         GROUP BY decade ORDER BY decade`,
+      )
+      .all();
+
+    const speedByDecade = d
+      .prepare(
+        `SELECT (m.first_year/10)*10 AS decade,
+                MAX(m.max_speed_value) AS maxSpeed,
+                ROUND(AVG(m.max_speed_value)) AS avgSpeed
+         FROM model m
+         WHERE m.first_year IS NOT NULL AND m.max_speed_value IS NOT NULL
+         GROUP BY decade ORDER BY decade`,
+      )
+      .all();
+
+    const byCountryType = d
+      .prepare(
+        `SELECT COALESCE(NULLIF(country_type,''),'未知') AS label, COUNT(*) AS count
+         FROM model GROUP BY label ORDER BY count DESC`,
+      )
+      .all();
+
+    return { totals: { models, units, categories }, byCategory, byDecade, speedByDecade, byCountryType };
+  }
+}
diff --git a/apps/api/src/testing/seed.ts b/apps/api/src/testing/seed.ts
new file mode 100644
index 0000000..3489d46
--- /dev/null
+++ b/apps/api/src/testing/seed.ts
@@ -0,0 +1,53 @@
+import Database from 'better-sqlite3';
+import { readFileSync } from 'fs';
+import { join } from 'path';
+
+/** 读取 ETL 的 schema.sql 并在给定 db 上建表 + 注入测试数据。*/
+export function seedDatabase(db: Database.Database): void {
+  const schemaPath = join(
+    __dirname,
+    '..',
+    '..',
+    '..',
+    '..',
+    'app',
+    'etl',
+    'schema.sql',
+  );
+  db.exec(readFileSync(schemaPath, 'utf-8'));
+
+  const cat = db.prepare(
+    'INSERT INTO category(name, subcat) VALUES (?, ?)',
+  );
+  const elec = cat.run('电力机车', '').lastInsertRowid as number;
+  const emu = cat.run('动车组', '复兴号').lastInsertRowid as number;
+  const insp = cat.run('检测车', '普速检测').lastInsertRowid as number;
+
+  const model = db.prepare(
+    `INSERT INTO model(category_id, series, model_code, full_name, manufacturer,
+       country, country_type, first_year, last_year, status, usage,
+       max_speed_value, max_speed_unit, weight_value, weight_unit, raw_json)
+     VALUES (@category_id, @series, @model_code, @full_name, @manufacturer,
+       @country, @country_type, @first_year, @last_year, @status, @usage,
+       @max_speed_value, @max_speed_unit, @weight_value, @weight_unit, @raw_json)`,
+  );
+  model.run({
+    category_id: elec, series: '和谐', model_code: 'HXD1型', full_name: '',
+    manufacturer: '中车株洲', country: '中国', country_type: '国产',
+    first_year: 2006, last_year: null, status: '现役', usage: '干线货运',
+    max_speed_value: 120, max_speed_unit: 'km/h', weight_value: 150,
+    weight_unit: 't', raw_json: JSON.stringify({ model_code: 'HXD1型' }),
+  });
+  model.run({
+    category_id: emu, series: '', model_code: 'CR400AF', full_name: '复兴号',
+    manufacturer: '中车四方', country: '中国', country_type: '国产',
+    first_year: 2017, last_year: null, status: '现役', usage: '高速客运',
+    max_speed_value: 350, max_speed_unit: 'km/h', weight_value: null,
+    weight_unit: '', raw_json: JSON.stringify({ model_code: 'CR400AF' }),
+  });
+
+  db.prepare(
+    `INSERT INTO unit(category_id, car_number, model_name, function, depot, status)
+     VALUES (?, ?, ?, ?, ?, ?)`,
+  ).run(insp, 'SYJZ-0001', '移动式线路动态加载试验车', '试验车', '国铁', '半封存');
+}
diff --git a/apps/api/src/units/units.controller.ts b/apps/api/src/units/units.controller.ts
new file mode 100644
index 0000000..e3327f3
--- /dev/null
+++ b/apps/api/src/units/units.controller.ts
@@ -0,0 +1,26 @@
+import { Controller, Get, Query } from '@nestjs/common';
+import { UnitsService } from './units.service';
+
+@Controller('api/units')
+export class UnitsController {
+  constructor(private readonly units: UnitsService) {}
+
+  @Get()
+  list(
+    @Query('page') page?: string,
+    @Query('pageSize') pageSize?: string,
+    @Query('category') category?: string,
+    @Query('depot') depot?: string,
+    @Query('status') status?: string,
+    @Query('q') q?: string,
+  ) {
+    return this.units.list({
+      page: page ? Number(page) : undefined,
+      pageSize: pageSize ? Number(pageSize) : undefined,
+      category,
+      depot,
+      status,
+      q,
+    });
+  }
+}
diff --git a/apps/api/src/units/units.module.ts b/apps/api/src/units/units.module.ts
new file mode 100644
index 0000000..0f127bc
--- /dev/null
+++ b/apps/api/src/units/units.module.ts
@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { UnitsController } from './units.controller';
+import { UnitsService } from './units.service';
+
+@Module({
+  controllers: [UnitsController],
+  providers: [UnitsService],
+})
+export class UnitsModule {}
diff --git a/apps/api/src/units/units.service.ts b/apps/api/src/units/units.service.ts
new file mode 100644
index 0000000..11e4db4
--- /dev/null
+++ b/apps/api/src/units/units.service.ts
@@ -0,0 +1,67 @@
+import { Injectable } from '@nestjs/common';
+import { DatabaseService } from '../db/database.service';
+
+@Injectable()
+export class UnitsService {
+  constructor(private readonly database: DatabaseService) {}
+
+  list(opts: {
+    page?: number;
+    pageSize?: number;
+    category?: string;
+    depot?: string;
+    status?: string;
+    q?: string;
+  }): { total: number; page: number; pageSize: number; items: any[] } {
+    const page = Math.max(1, Number(opts.page) || 1);
+    const pageSize = Math.min(100, Math.max(1, Number(opts.pageSize) || 20));
+    const conds: string[] = [];
+    const params: any[] = [];
+
+    if (opts.category) {
+      if (/^\d+$/.test(opts.category)) {
+        conds.push('u.category_id = ?');
+        params.push(Number(opts.category));
+      } else {
+        conds.push('c.name LIKE ?');
+        params.push(`%${opts.category}%`);
+      }
+    }
+    if (opts.depot) {
+      conds.push('u.depot LIKE ?');
+      params.push(`%${opts.depot}%`);
+    }
+    if (opts.status) {
+      conds.push('u.status = ?');
+      params.push(opts.status);
+    }
+    if (opts.q) {
+      conds.push('(u.car_number LIKE ? OR u.model_name LIKE ?)');
+      params.push(`%${opts.q}%`, `%${opts.q}%`);
+    }
+    const clause = conds.length ? `WHERE ${conds.join(' AND ')}` : '';
+    const db = this.database.db;
+
+    const total = (
+      db
+        .prepare(
+          `SELECT COUNT(*) AS n FROM unit u
+           JOIN category c ON c.id = u.category_id ${clause}`,
+        )
+        .get(...params) as { n: number }
+    ).n;
+
+    const items = db
+      .prepare(
+        `SELECT u.id, u.car_number, u.model_name, u.function, u.depot,
+                u.livery, u.status, u.location, c.name AS category, c.subcat
+         FROM unit u JOIN category c ON c.id = u.category_id
+         ${clause}
+         ORDER BY u.id ASC
+         LIMIT ? OFFSET ?`,
+      )
+      .all(...params, pageSize, (page - 1) * pageSize);
+
+    return { total, page, pageSize, items };
+  }
+}
diff --git a/apps/api/test/app.e2e-spec.ts b/apps/api/test/app.e2e-spec.ts
new file mode 100644
index 0000000..060d167
--- /dev/null
+++ b/apps/api/test/app.e2e-spec.ts
@@ -0,0 +1,524 @@
+import { INestApplication, ValidationPipe } from '@nestjs/common';
+import { Test } from '@nestjs/testing';
+import Database from 'better-sqlite3';
+import { mkdtempSync } from 'fs';
+import { tmpdir } from 'os';
+import { join } from 'path';
+import request from 'supertest';
+import { AppModule } from '../src/app.module';
+import { seedDatabase } from '../src/testing/seed';
+
+/** API 端到端测试 — 对应 T-1.3 / T-1.4 E2E。*/
+describe('API (e2e)', () => {
+  let app: INestApplication;
+
+  beforeAll(async () => {
+    const dir = mkdtempSync(join(tmpdir(), 'train-e2e-'));
+    const dbPath = join(dir, 'test.db');
+    const seedDb = new Database(dbPath);
+    seedDatabase(seedDb);
+    seedDb.close();
+    process.env.DB_PATH = dbPath;
+    process.env.APP_DB_PATH = join(dir, 'app.db'); // 可写库（用户等）
+    process.env.ADMIN_EMAIL = 'admin@example.com'; // 引导管理员（审核测试）
+    process.env.UPLOAD_DIR = join(dir, 'uploads'); // 图片上传目录（隔离）
+
+    const moduleRef = await Test.createTestingModule({
+      imports: [AppModule],
+    }).compile();
+    app = moduleRef.createNestApplication();
+    app.useGlobalPipes(new ValidationPipe({ transform: true, whitelist: true }));
+    await app.init();
+  });
+
+  afterAll(async () => {
+    await app.close();
+  });
+
+  it('GET /api/health', async () => {
+    const res = await request(app.getHttpServer()).get('/api/health').expect(200);
+    expect(res.body.status).toBe('ok');
+    expect(res.body.models).toBe(2);
+    expect(res.body.units).toBe(1);
+  });
+
+  it('GET /api/categories', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/categories')
+      .expect(200);
+    expect(Array.isArray(res.body)).toBe(true);
+    expect(res.body.length).toBe(3);
+  });
+
+  it('GET /api/models 列表+分页', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/models?pageSize=1')
+      .expect(200);
+    expect(res.body.total).toBe(2);
+    expect(res.body.items.length).toBe(1);
+  });
+
+  it('GET /api/models 筛选+排序', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/models?sort=max_speed_value&order=desc')
+      .expect(200);
+    expect(res.body.items[0].model_code).toBe('CR400AF');
+  });
+
+  it('GET /api/models 非法参数被拒', async () => {
+    await request(app.getHttpServer())
+      .get('/api/models?pageSize=99999')
+      .expect(400);
+  });
+
+  it('GET /api/models/:id 详情', async () => {
+    const list = await request(app.getHttpServer()).get('/api/models?q=HXD');
+    const id = list.body.items[0].id;
+    const res = await request(app.getHttpServer())
+      .get(`/api/models/${id}`)
+      .expect(200);
+    expect(res.body.model_code).toBe('HXD1型');
+  });
+
+  it('GET /api/models/:id 不存在 404', async () => {
+    await request(app.getHttpServer()).get('/api/models/99999').expect(404);
+  });
+
+  it('GET /api/search', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/search?q=CR400')
+      .expect(200);
+    expect(res.body.results[0].model_code).toBe('CR400AF');
+  });
+
+  it('GET /api/units 列表', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/units')
+      .expect(200);
+    expect(res.body.total).toBe(1);
+    expect(res.body.items[0].car_number).toBe('SYJZ-0001');
+  });
+
+  // ===== T-2.1 账户体系 =====
+  const cred = { email: 'tester@example.com', password: 'secret123', displayName: '测试员' };
+  let token = '';
+
+  it('POST /api/auth/register 注册', async () => {
+    const res = await request(app.getHttpServer())
+      .post('/api/auth/register')
+      .send(cred)
+      .expect(201);
+    expect(res.body.token).toBeTruthy();
+    expect(res.body.user.email).toBe('tester@example.com');
+    expect(res.body.user.role).toBe('user');
+    token = res.body.token;
+  });
+
+  it('POST /api/auth/register 重复邮箱 409', async () => {
+    await request(app.getHttpServer())
+      .post('/api/auth/register')
+      .send(cred)
+      .expect(409);
+  });
+
+  it('POST /api/auth/register 非法输入 400', async () => {
+    await request(app.getHttpServer())
+      .post('/api/auth/register')
+      .send({ email: 'bad', password: '1', displayName: '' })
+      .expect(400);
+  });
+
+  it('POST /api/auth/login 正确/错误', async () => {
+    await request(app.getHttpServer())
+      .post('/api/auth/login')
+      .send({ email: cred.email, password: cred.password })
+      .expect(201);
+    await request(app.getHttpServer())
+      .post('/api/auth/login')
+      .send({ email: cred.email, password: 'wrongpass' })
+      .expect(401);
+  });
+
+  it('GET /api/auth/me 需要 token', async () => {
+    await request(app.getHttpServer()).get('/api/auth/me').expect(401);
+    const res = await request(app.getHttpServer())
+      .get('/api/auth/me')
+      .set('Authorization', `Bearer ${token}`)
+      .expect(200);
+    expect(res.body.email).toBe('tester@example.com');
+  });
+
+  // ===== T-2.2 / T-2.3 编辑·修订（图鉴仅管理员可编辑）=====
+  let adminToken = '';
+
+  it('普通用户提交编辑被拒 403（仅管理员可编辑图鉴）', async () => {
+    await request(app.getHttpServer())
+      .post('/api/models/1/revisions')
+      .set('Authorization', `Bearer ${token}`)
+      .send({ changes: { usage: '干线货运（实测）' } })
+      .expect(403);
+  });
+
+  it('未登录提交编辑 401', async () => {
+    await request(app.getHttpServer())
+      .post('/api/models/1/revisions')
+      .send({ changes: { usage: 'x' } })
+      .expect(401);
+  });
+
+  it('管理员编辑 → 自动通过 + 覆盖生效 + 计分', async () => {
+    const reg = await request(app.getHttpServer())
+      .post('/api/auth/register')
+      .send({ email: 'admin@example.com', password: 'secret123', displayName: '管理员' })
+      .expect(201);
+    adminToken = reg.body.token;
+    expect(reg.body.user.role).toBe('admin');
+
+    const res = await request(app.getHttpServer())
+      .post('/api/models/1/revisions')
+      .set('Authorization', `Bearer ${adminToken}`)
+      .send({ changes: { usage: '干线货运（实测）' }, note: '管理员维护' })
+      .expect(201);
+    expect(res.body.status).toBe('approved');
+
+    const detail = await request(app.getHttpServer()).get('/api/models/1').expect(200);
+    expect(detail.body.usage).toBe('干线货运（实测）');
+    expect(detail.body.overridden).toContain('usage');
+  });
+
+  it('修订历史可见', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/models/1/revisions')
+      .expect(200);
+    expect(res.body.length).toBeGreaterThanOrEqual(1);
+  });
+
+  it('普通用户访问审核队列 403', async () => {
+    await request(app.getHttpServer())
+      .get('/api/revisions/pending')
+      .set('Authorization', `Bearer ${token}`)
+      .expect(403);
+  });
+
+  it('管理员编辑模型2立即生效', async () => {
+    const res = await request(app.getHttpServer())
+      .post('/api/models/2/revisions')
+      .set('Authorization', `Bearer ${adminToken}`)
+      .send({ changes: { status: '封存' } })
+      .expect(201);
+    expect(res.body.status).toBe('approved');
+    const detail = await request(app.getHttpServer()).get('/api/models/2').expect(200);
+    expect(detail.body.status).toBe('封存');
+  });
+
+  it('字段白名单外/非法值被拒 400', async () => {
+    await request(app.getHttpServer())
+      .post('/api/models/1/revisions')
+      .set('Authorization', `Bearer ${adminToken}`)
+      .send({ changes: { password_hash: 'hack' } })
+      .expect(400);
+    await request(app.getHttpServer())
+      .post('/api/models/1/revisions')
+      .set('Authorization', `Bearer ${adminToken}`)
+      .send({ changes: { first_year: '99' } })
+      .expect(400);
+  });
+
+  // ===== T-2.4 荣誉与激励 =====
+  it('GET /api/auth/me 含等级与徽章', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/auth/me')
+      .set('Authorization', `Bearer ${adminToken}`)
+      .expect(200);
+    expect(res.body.level).toBeDefined();
+    expect(res.body.level.title).toBeTruthy();
+    expect(Array.isArray(res.body.badges)).toBe(true);
+    expect(res.body.approvedCount).toBeGreaterThanOrEqual(1); // 管理员有被采纳修订
+  });
+
+  it('GET /api/leaderboard 含贡献者与头衔', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/leaderboard')
+      .expect(200);
+    expect(Array.isArray(res.body)).toBe(true);
+    expect(res.body[0].rank).toBe(1);
+    expect(res.body[0].title).toBeTruthy();
+  });
+
+  it('认领词条维护 → 出现在维护者列表', async () => {
+    await request(app.getHttpServer())
+      .post('/api/models/1/maintainers')
+      .set('Authorization', `Bearer ${token}`)
+      .expect(201);
+    const res = await request(app.getHttpServer())
+      .get('/api/models/1/maintainers')
+      .expect(200);
+    expect(res.body.some((mm: any) => mm.displayName === '测试员')).toBe(true);
+  });
+
+  it('未登录认领维护 401', async () => {
+    await request(app.getHttpServer())
+      .post('/api/models/1/maintainers')
+      .expect(401);
+  });
+
+  // ===== T-3.1/3.2 论坛 + 词条讨论 =====
+  let threadId = 0;
+
+  it('创建帖子并回复', async () => {
+    const t = await request(app.getHttpServer())
+      .post('/api/threads')
+      .set('Authorization', `Bearer ${token}`)
+      .send({ board: 'general', title: '大家好啊', body: '第一帖' })
+      .expect(201);
+    expect(t.body.title).toBe('大家好啊');
+    threadId = t.body.id;
+
+    const r = await request(app.getHttpServer())
+      .post(`/api/threads/${threadId}/replies`)
+      .set('Authorization', `Bearer ${token}`)
+      .send({ body: '沙发' })
+      .expect(201);
+    expect(r.body.reply_count).toBe(1);
+    expect(r.body.replies[0].body).toBe('沙发');
+  });
+
+  it('帖子列表按板块', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/threads?board=general')
+      .expect(200);
+    expect(res.body.some((t: any) => t.id === threadId)).toBe(true);
+  });
+
+  it('词条讨论：绑定 model_id', async () => {
+    await request(app.getHttpServer())
+      .post('/api/threads')
+      .set('Authorization', `Bearer ${token}`)
+      .send({ board: 'entry', modelId: 1, title: 'HXD1 求资料', body: '有铭牌照吗' })
+      .expect(201);
+    const res = await request(app.getHttpServer())
+      .get('/api/threads?modelId=1')
+      .expect(200);
+    expect(res.body.length).toBeGreaterThanOrEqual(1);
+    expect(res.body[0].model_id).toBe(1);
+  });
+
+  it('未登录发帖 401，非法输入 400', async () => {
+    await request(app.getHttpServer())
+      .post('/api/threads')
+      .send({ board: 'general', title: 'x', body: 'y' })
+      .expect(401);
+    await request(app.getHttpServer())
+      .post('/api/threads')
+      .set('Authorization', `Bearer ${token}`)
+      .send({ board: 'general', title: 'a', body: '' })
+      .expect(400);
+  });
+
+  // ===== T-3.3 打卡（sightings）=====
+  it('打卡 → 出现在车型打卡列表与近期动态', async () => {
+    const res = await request(app.getHttpServer())
+      .post('/api/models/1/sightings')
+      .set('Authorization', `Bearer ${token}`)
+      .send({ lat: 39.9, lng: 116.4, station: '北京站', carNumber: 'HXD1-0001', description: '清晨拍到' })
+      .expect(201);
+    expect(res.body.station).toBe('北京站');
+    expect(res.body.model_code).toBe('HXD1型');
+    expect(res.body.user_name).toBe('测试员');
+
+    const list = await request(app.getHttpServer())
+      .get('/api/models/1/sightings')
+      .expect(200);
+    expect(list.body.length).toBeGreaterThanOrEqual(1);
+
+    const recent = await request(app.getHttpServer())
+      .get('/api/sightings/recent')
+      .expect(200);
+    expect(recent.body[0].model_code).toBe('HXD1型');
+
+    const map = await request(app.getHttpServer()).get('/api/sightings/map').expect(200);
+    expect(map.body.some((p: any) => p.station === '北京站')).toBe(true);
+  });
+
+  it('未登录打卡 401，非法坐标 400', async () => {
+    await request(app.getHttpServer())
+      .post('/api/models/1/sightings')
+      .send({ lat: 39.9, lng: 116.4 })
+      .expect(401);
+    await request(app.getHttpServer())
+      .post('/api/models/1/sightings')
+      .set('Authorization', `Bearer ${token}`)
+      .send({ lat: 999, lng: 116.4 })
+      .expect(400);
+  });
+
+  // ===== T-4.2 族谱 / T-4.3 拍车攻略 =====
+  it('GET /api/models/families 按系列聚合', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/models/families')
+      .expect(200);
+    expect(Array.isArray(res.body)).toBe(true);
+    expect(res.body[0].series).toBeDefined();
+  });
+
+  it('GET /api/sightings/spots 拍车攻略聚合', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/sightings/spots')
+      .expect(200);
+    expect(Array.isArray(res.body)).toBe(true);
+    // 前面打卡过北京站
+    expect(res.body.some((s: any) => s.station === '北京站')).toBe(true);
+    expect(res.body[0].models[0].model_code).toBeTruthy();
+  });
+
+  // ===== T-5.2 数据大屏 / 开放 API =====
+  it('GET /api/stats 概览统计', async () => {
+    const res = await request(app.getHttpServer()).get('/api/stats').expect(200);
+    expect(res.body.totals.models).toBe(2);
+    expect(res.body.byCategory.length).toBeGreaterThan(0);
+    expect(Array.isArray(res.body.speedByDecade)).toBe(true);
+  });
+
+  it('GET /api/export/models.json 开放数据', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/export/models.json')
+      .expect(200);
+    expect(res.body.length).toBe(2);
+    expect(res.body[0].model_code).toBeTruthy();
+  });
+
+  it('GET /api/export/models.csv 导出 CSV', async () => {
+    const res = await request(app.getHttpServer())
+      .get('/api/export/models.csv')
+      .expect(200);
+    expect(res.headers['content-type']).toContain('text/csv');
+    expect(res.text.split('\n')[0]).toContain('model_code');
+  });
+
+  // ===== 共享图库（管理员上传，所有人可看）=====
+  const png = Buffer.from(
+    'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==',
+    'base64',
+  );
+  let photoId = 0;
+
+  it('普通用户上传照片 403', async () => {
+    await request(app.getHttpServer())
+      .post('/api/models/1/photos')
+      .set('Authorization', `Bearer ${token}`)
+      .attach('file', png, 'demo.png')
+      .expect(403);
+  });
+
+  it('管理员上传照片 → 进入公共图库', async () => {
+    const res = await request(app.getHttpServer())
+      .post('/api/models/1/photos')
+      .set('Authorization', `Bearer ${adminToken}`)
+      .field('caption', '管理员示例照片')
+      .attach('file', png, 'demo.png')
+      .expect(201);
+    expect(res.body.url).toMatch(/^\/uploads\/.+\.png$/);
+    expect(res.body.caption).toBe('管理员示例照片');
+    photoId = res.body.id;
+
+    const list = await request(app.getHttpServer())
+      .get('/api/models/1/photos')
+      .expect(200);
+    expect(list.body.some((p: any) => p.id === photoId)).toBe(true);
+    expect(list.body[0].uploaderName).toBe('管理员');
+  });
+
+  it('非图片被拒 400', async () => {
+    await request(app.getHttpServer())
+      .post('/api/models/1/photos')
+      .set('Authorization', `Bearer ${adminToken}`)
+      .attach('file', Buffer.from('hello'), 'note.txt')
+      .expect(400);
+  });
+
+  it('管理员删除照片', async () => {
+    await request(app.getHttpServer())
+      .delete(`/api/photos/${photoId}`)
+      .set('Authorization', `Bearer ${adminToken}`)
+      .expect(200);
+    const list = await request(app.getHttpServer()).get('/api/models/1/photos').expect(200);
+    expect(list.body.some((p: any) => p.id === photoId)).toBe(false);
+  });
+
+  it('候选照片确认流程', async () => {
+    const up = await request(app.getHttpServer())
+      .post('/api/models/3/photos')
+      .set('Authorization', `Bearer ${adminToken}`)
+      .attach('file', png, 'demo.png')
+      .expect(201);
+    const pid = up.body.id;
+    expect(up.body.status).toBe('confirmed');
+
+    // 直接置为候选（模拟取图脚本入库的 candidate）
+    const db = new Database(process.env.APP_DB_PATH as string);
+    db.prepare("UPDATE photos SET status='candidate' WHERE id=?").run(pid);
+    db.close();
+
+    let list = await request(app.getHttpServer()).get('/api/models/3/photos').expect(200);
+    expect(list.body.find((p: any) => p.id === pid).status).toBe('candidate');
+
+    await request(app.getHttpServer())
+      .post(`/api/photos/${pid}/confirm`)
+      .set('Authorization', `Bearer ${adminToken}`)
+      .expect(201);
+
+    list = await request(app.getHttpServer()).get('/api/models/3/photos').expect(200);
+    expect(list.body.find((p: any) => p.id === pid).status).toBe('confirmed');
+  });
+
+  // ===== 封面优先（featured）=====
+  it('设为封面：cover_url 优先 featured，其次最小 id；权限受控', async () => {
+    // 上传两张确认照片到模型 2
+    const a = await request(app.getHttpServer())
+      .post('/api/models/2/photos')
+      .set('Authorization', `Bearer ${adminToken}`)
+      .attach('file', png, 'a.png')
+      .expect(201);
+    const b = await request(app.getHttpServer())
+      .post('/api/models/2/photos')
+      .set('Authorization', `Bearer ${adminToken}`)
+      .attach('file', png, 'b.png')
+      .expect(201);
+
+    // 默认封面 = 最早一张（a）
+    const findCover = async () => {
+      const res = await request(app.getHttpServer())
+        .get('/api/models?pageSize=50')
+        .expect(200);
+      return res.body.items.find((m: any) => m.id === 2)?.cover_url as string | null;
+    };
+    const aFile = a.body.url.replace('/uploads/', '');
+    const bFile = b.body.url.replace('/uploads/', '');
+    expect(await findCover()).toBe(`/uploads/${aFile}`);
+
+    // 普通用户设为封面 403
+    await request(app.getHttpServer())
+      .post(`/api/photos/${b.body.id}/feature`)
+      .set('Authorization', `Bearer ${token}`)
+      .expect(403);
+
+    // 管理员把 b 设为封面 → cover_url 切到 b
+    const feat = await request(app.getHttpServer())
+      .post(`/api/photos/${b.body.id}/feature`)
+      .set('Authorization', `Bearer ${adminToken}`)
+      .expect(201);
+    expect(feat.body.featured).toBe(true);
+    expect(feat.body.status).toBe('confirmed');
+    expect(await findCover()).toBe(`/uploads/${bFile}`);
+
+    // 改 featured 到 a → 旧 featured 清除，cover 回到 a
+    await request(app.getHttpServer())
+      .post(`/api/photos/${a.body.id}/feature`)
+      .set('Authorization', `Bearer ${adminToken}`)
+      .expect(201);
+    const photos = await request(app.getHttpServer()).get('/api/models/2/photos').expect(200);
+    expect(photos.body.find((p: any) => p.id === a.body.id).featured).toBe(true);
+    expect(photos.body.find((p: any) => p.id === b.body.id).featured).toBe(false);
+    expect(await findCover()).toBe(`/uploads/${aFile}`);
+  });
+});
diff --git a/apps/api/test/jest-e2e.json b/apps/api/test/jest-e2e.json
new file mode 100644
index 0000000..c4067ce
--- /dev/null
+++ b/apps/api/test/jest-e2e.json
@@ -0,0 +1,9 @@
+{
+  "moduleFileExtensions": ["js", "json", "ts"],
+  "rootDir": ".",
+  "testEnvironment": "node",
+  "testRegex": ".e2e-spec.ts$",
+  "transform": {
+    "^.+\\.(t|j)s$": ["ts-jest", { "tsconfig": "<rootDir>/../tsconfig.json" }]
+  }
+}
diff --git a/apps/api/tsconfig.build.json b/apps/api/tsconfig.build.json
new file mode 100644
index 0000000..64f86c6
--- /dev/null
+++ b/apps/api/tsconfig.build.json
@@ -0,0 +1,4 @@
+{
+  "extends": "./tsconfig.json",
+  "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
+}
diff --git a/apps/api/tsconfig.json b/apps/api/tsconfig.json
new file mode 100644
index 0000000..4da464e
--- /dev/null
+++ b/apps/api/tsconfig.json
@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "declaration": true,
+    "removeComments": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "allowSyntheticDefaultImports": true,
+    "target": "ES2021",
+    "sourceMap": true,
+    "outDir": "./dist",
+    "baseUrl": "./",
+    "incremental": true,
+    "skipLibCheck": true,
+    "strictNullChecks": true,
+    "noImplicitAny": false,
+    "strictBindCallApply": false,
+    "forceConsistentCasingInFileNames": false,
+    "noFallthroughCasesInSwitch": false,
+    "esModuleInterop": true
+  }
+}
diff --git a/apps/web/.gitignore b/apps/web/.gitignore
new file mode 100644
index 0000000..46e18a9
--- /dev/null
+++ b/apps/web/.gitignore
@@ -0,0 +1,6 @@
+node_modules/
+dist/
+coverage/
+*.log
+test-results/
+playwright-report/
diff --git a/apps/web/README.md b/apps/web/README.md
new file mode 100644
index 0000000..826fd8a
--- /dev/null
+++ b/apps/web/README.md
@@ -0,0 +1,29 @@
+# 中国机车图鉴 · 前端 (apps/web)
+
+Vite + React + TypeScript，消费 `apps/api`（NestJS）的接口。对应 Phase 1C（T-1.5/1.6/1.7）。
+
+## 功能
+- 列表页：分类/状态/国别/年代区间/时速筛选 + 排序 + 分页
+- 三视图切换：**列表卡片 / 时间轴（分类泳道）/ 图鉴卡牌（含收集占位）**
+- 详情页：技术参数表 + 原始数据（raw_json）保真表
+- 全局搜索框：防抖下拉，命中跳转详情
+
+## 开发运行（需先启动后端）
+```bash
+# 1) 终端 A：启动后端 API（在 apps/api）
+cd apps/api && npm run build && node dist/main.js     # http://localhost:3001
+
+# 2) 终端 B：启动前端（在 apps/web）
+npm run dev                                            # http://localhost:5173
+```
+Vite 已将 `/api` 代理到 `http://127.0.0.1:3001`，无需额外配置。
+
+## 测试与构建
+```bash
+npm test         # Vitest 单元/组件测试（23 项）
+npm run build    # tsc 类型检查 + vite 生产构建
+```
+
+## 说明
+- 时间轴布局、格式化、查询拼装等纯逻辑抽到 `src/lib`、`src/api`，便于单测。
+- 图鉴"已收集/未收集"为占位，收集逻辑待 Phase 3 打卡功能接入。
diff --git a/apps/web/e2e/leave.spec.ts b/apps/web/e2e/leave.spec.ts
new file mode 100644
index 0000000..a33c1ea
--- /dev/null
+++ b/apps/web/e2e/leave.spec.ts
@@ -0,0 +1,16 @@
+import { expect, test } from '@playwright/test';
+
+// 回归：贡献榜列表曾因 class 名 `.lb` 与灯箱冲突变成全屏遮罩，导致无法离开页面
+test('从贡献榜可正常导航离开', async ({ page }) => {
+  await page.goto('/leaderboard');
+  await expect(page.getByRole('heading', { name: '贡献榜' })).toBeVisible();
+  await page.getByRole('button', { name: /图鉴/ }).click();
+  await page.getByRole('menuitem', { name: '探索' }).click();
+  await expect(page).toHaveURL(/\/explore/);
+});
+
+// 回归：/api-docs 曾被 vite 的 /api 代理误吞（前缀匹配），导致路由 404
+test('开放API文档路由不被代理吞掉', async ({ page }) => {
+  await page.goto('/api-docs');
+  await expect(page.getByRole('heading', { name: /开放 API/ })).toBeVisible();
+});
diff --git a/apps/web/e2e/smoke.spec.ts b/apps/web/e2e/smoke.spec.ts
new file mode 100644
index 0000000..2b2f143
--- /dev/null
+++ b/apps/web/e2e/smoke.spec.ts
@@ -0,0 +1,374 @@
+import { expect, test } from '@playwright/test';
+
+/** MVP 全链路冒烟 — 对应 T-1.8（已适配叙事首页 + 探索页 IA）。*/
+
+test('叙事首页：英雄区 + 时代章节 + 代表车', async ({ page }) => {
+  await page.goto('/');
+  await expect(page.getByRole('heading', { name: /中国工业史/ })).toBeVisible();
+  await expect(page.getByText('蒸汽时代')).toBeVisible();
+  await expect(page.getByText('高铁时代')).toBeVisible();
+  // 代表车 mini 卡存在
+  await expect(page.locator('.mini').first()).toBeVisible();
+});
+
+test('首页 → 探索（CTA）', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('link', { name: /进入图鉴探索/ }).click();
+  await expect(page).toHaveURL(/\/explore/);
+  await expect(page.getByTestId('gallery')).toBeVisible();
+});
+
+test('探索页默认图鉴：分页(21/页) + 点击收集', async ({ page }) => {
+  await page.goto('/explore');
+  await expect(page.getByTestId('gallery-card').first()).toBeVisible();
+  // 每页至多 21 个
+  expect(await page.getByTestId('gallery-card').count()).toBeLessThanOrEqual(21);
+  // 分页器存在（在图鉴上方）
+  await expect(page.getByRole('button', { name: '下一页' })).toBeVisible();
+  await expect(page.locator('.gcard-art .thumb').first()).toBeVisible();
+  const firstCollect = page.locator('.gcard-collect').first();
+  await expect(firstCollect).toHaveAttribute('aria-pressed', 'false');
+  await firstCollect.click();
+  await expect(firstCollect).toHaveAttribute('aria-pressed', 'true');
+});
+
+test('筛选（折叠面板）→ 图鉴卡片 → 详情(全部详情, 全中文)', async ({ page }) => {
+  await page.goto('/explore');
+  await page.getByRole('button', { name: /筛选/ }).click();
+  await page.locator('.filterbar select').first().selectOption('电力机车');
+  const firstCard = page.locator('.gcard-art').first();
+  await expect(firstCard).toBeVisible();
+  await firstCard.click();
+  await expect(page).toHaveURL(/\/models\/\d+/);
+  await expect(page.getByRole('heading', { name: '基本信息' })).toBeVisible();
+  await expect(page.getByRole('heading', { name: '动力与性能' })).toBeVisible();
+  // 原始数据英文键已映射为中文
+  await expect(page.getByText('model_code')).toHaveCount(0);
+  await expect(page.getByText('max_speed_value')).toHaveCount(0);
+});
+
+test('详情图册：管理员上传图片并灯箱缩放', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /管理员/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+
+  await page.goto('/models/1');
+  await page.getByRole('heading', { name: '图册' }).scrollIntoViewIfNeeded();
+  const png = Buffer.from(
+    'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==',
+    'base64',
+  );
+  await page.setInputFiles('input[type=file]', {
+    name: 'demo.png',
+    mimeType: 'image/png',
+    buffer: png,
+  });
+  await expect(page.locator('.img-cell img').first()).toBeVisible();
+  await page.locator('.img-cell img').first().click();
+  await expect(page.getByTestId('lightbox')).toBeVisible();
+  await page.getByRole('button', { name: '放大' }).click();
+  await expect(page.getByTestId('lightbox')).toContainText('%');
+});
+
+test('时间轴视图渲染并可点击节点', async ({ page }) => {
+  await page.goto('/explore');
+  await page.getByRole('button', { name: '时间轴' }).click();
+  await expect(page.getByTestId('timeline')).toBeVisible();
+  await expect(page.locator('.error')).toHaveCount(0);
+  expect(await page.locator('.node').count()).toBeGreaterThan(30);
+  await page.locator('.node').first().click();
+  await expect(page).toHaveURL(/\/models\/\d+/);
+});
+
+test('全局搜索命中并跳转详情', async ({ page }) => {
+  await page.goto('/');
+  await page.getByPlaceholder('搜索型号 / 生产商 / 系列…').fill('HXD');
+  await expect(page.locator('.search-dropdown li').first()).toBeVisible();
+  await page.locator('.search-dropdown li').first().click();
+  await expect(page).toHaveURL(/\/models\/\d+/);
+});
+
+test('首页章节链接 → 探索并带分类筛选', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('link', { name: /探索全部.*车型/ }).first().click();
+  await expect(page).toHaveURL(/\/explore\?category=/);
+  await expect(page.getByTestId('gallery')).toBeVisible();
+});
+
+test('账户：注册 → 用户菜单 → 个人主页', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await expect(page.getByTestId('auth-modal')).toBeVisible();
+  await page.getByRole('button', { name: '注册', exact: true }).click();
+  await page.getByPlaceholder('昵称').fill('E2E用户');
+  await page.getByPlaceholder('邮箱').fill(`e2e_${Date.now()}@test.com`);
+  await page.getByPlaceholder('密码（至少 6 位）').fill('secret123');
+  await page.getByRole('button', { name: '注册并登录' }).click();
+  await expect(page.getByTestId('auth-modal')).toHaveCount(0);
+  await expect(page.locator('.user-chip')).toBeVisible();
+  await page.locator('.user-chip').click();
+  await expect(page).toHaveURL(/\/me/);
+  await expect(page.getByText('贡献积分', { exact: true })).toBeVisible();
+});
+
+test('管理员编辑词条 → 立即生效', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /管理员/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+
+  await page.goto('/models/1');
+  await page.getByRole('button', { name: /编辑词条/ }).click();
+  await expect(page.getByTestId('edit-modal')).toBeVisible();
+  await page
+    .locator('.edit-field', { hasText: '用途' })
+    .locator('input')
+    .fill(`用途修订 ${Date.now()}`);
+  await page.getByRole('button', { name: '提交修改' }).click();
+  await expect(page.locator('.notice')).toContainText('生效');
+});
+
+test('普通用户看不到编辑/上传入口（图鉴只读）', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /普通用户/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+
+  await page.goto('/models/1');
+  await expect(page.getByRole('button', { name: /编辑词条/ })).toHaveCount(0);
+  await expect(page.getByRole('button', { name: '+ 添加图片' })).toHaveCount(0);
+});
+
+async function registerUser(page: import('@playwright/test').Page, name: string) {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: '注册', exact: true }).click();
+  await page.getByPlaceholder('昵称').fill(name);
+  await page.getByPlaceholder('邮箱').fill(`u_${Date.now()}@test.com`);
+  await page.getByPlaceholder('密码（至少 6 位）').fill('secret123');
+  await page.getByRole('button', { name: '注册并登录' }).click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+}
+
+test('认领词条维护 → 维护者署名出现', async ({ page }) => {
+  const name = `维护${Date.now() % 100000}`;
+  await registerUser(page, name);
+  await page.goto('/models/1');
+  await page.getByRole('button', { name: '认领维护' }).click();
+  await expect(page.locator('.maintainers')).toContainText(name);
+});
+
+test('个人主页含等级与徽章区', async ({ page }) => {
+  await registerUser(page, `等级${Date.now() % 100000}`);
+  await page.locator('.user-chip').click();
+  await expect(page).toHaveURL(/\/me/);
+  await expect(page.locator('.level-bar')).toBeVisible();
+  await expect(page.getByRole('heading', { name: '徽章' })).toBeVisible();
+});
+
+test('贡献榜页可访问', async ({ page }) => {
+  await page.goto('/leaderboard');
+  await expect(page.getByRole('heading', { name: '贡献榜' })).toBeVisible();
+});
+
+test('测试账号一键填入并登录', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /普通用户/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toContainText('演示用户');
+});
+
+test('管理员一键登录后可见审核入口', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /管理员/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+  await expect(page.getByRole('link', { name: '审核' })).toBeVisible();
+});
+
+test('社区：发帖 → 帖子页回复', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /普通用户/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+
+  await page.getByRole('button', { name: /社区/ }).click();
+  await page.getByRole('menuitem', { name: '论坛' }).click();
+  await expect(page).toHaveURL(/\/community/);
+  await page.getByRole('button', { name: '+ 发帖' }).click();
+  const title = `测试帖 ${Date.now() % 100000}`;
+  await page.getByPlaceholder('标题').fill(title);
+  await page.getByPlaceholder('正文…').fill('这是一条 e2e 测试帖');
+  await page.getByRole('button', { name: '发布' }).click();
+
+  await page.getByRole('link', { name: new RegExp(title) }).click();
+  await expect(page).toHaveURL(/\/thread\/\d+/);
+  await page.getByPlaceholder('写下你的回复…').fill('e2e 回复');
+  await page.getByRole('button', { name: '回复' }).click();
+  await expect(page.locator('.replies')).toContainText('e2e 回复');
+});
+
+test('打卡：详情页登记目击 → 出现在列表', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /普通用户/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+
+  await page.goto('/models/1');
+  await page.getByRole('heading', { name: '目击打卡' }).scrollIntoViewIfNeeded();
+  await page.getByPlaceholder('纬度 lat').fill('39.90');
+  await page.getByPlaceholder('经度 lng').fill('116.40');
+  await page.getByPlaceholder('车站/地点').fill('北京南站');
+  await page.getByRole('button', { name: '打卡', exact: true }).click();
+  await expect(page.locator('.sighting-row').first()).toContainText('北京南站');
+});
+
+test('打卡地图页加载', async ({ page }) => {
+  await page.goto('/map');
+  await expect(page.getByRole('heading', { name: '打卡地图' })).toBeVisible();
+  await expect(page.getByTestId('map')).toBeVisible();
+});
+
+test('参数对比：加入车型 → 雷达图 + 表格', async ({ page }) => {
+  await page.goto('/compare');
+  await expect(page.getByRole('heading', { name: '参数对比' })).toBeVisible();
+  await page.getByPlaceholder('搜索型号加入对比…').fill('CR400');
+  await page.locator('.cmp-search .search-dropdown li').first().click();
+  await page.getByPlaceholder('搜索型号加入对比…').fill('HXD1');
+  await page.locator('.cmp-search .search-dropdown li').first().click();
+  await expect(page.getByTestId('radar')).toBeVisible();
+  await expect(page.locator('.cmp-table')).toContainText('最高时速');
+  await expect(page.locator('.cmp-chip')).toHaveCount(2);
+});
+
+test('技术族谱：按系列展示并可进详情', async ({ page }) => {
+  await page.goto('/family');
+  await expect(page.getByRole('heading', { name: '技术族谱' })).toBeVisible();
+  await expect(page.locator('.family-series').first()).toBeVisible();
+  await page.locator('.family-node').first().click();
+  await expect(page).toHaveURL(/\/models\/\d+/);
+});
+
+test('关注车型 → 个人主页"最新目击"区出现', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /普通用户/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+
+  await page.goto('/models/1');
+  await page.getByRole('button', { name: /关注/ }).click();
+  await expect(page.getByRole('button', { name: '★ 已关注' })).toBeVisible();
+
+  await page.locator('.user-chip').click();
+  await expect(page.getByRole('heading', { name: /关注的车型/ })).toBeVisible();
+});
+
+test('数据大屏渲染 KPI 与图表', async ({ page }) => {
+  await page.goto('/stats');
+  await expect(page.getByRole('heading', { name: /数据大屏/ })).toBeVisible();
+  await expect(page.locator('.kpi').first()).toBeVisible();
+  await expect(page.locator('.donut').first()).toBeVisible();
+  await expect(page.locator('.vbars')).toBeVisible();
+  await expect(page.getByTestId('evolution-curve')).toBeVisible();
+});
+
+test('开放 API 文档页与导出链接', async ({ page }) => {
+  await page.goto('/api-docs');
+  await expect(page.getByRole('heading', { name: /开放 API/ })).toBeVisible();
+  await expect(page.locator('a[href="/api/export/models.csv"]')).toBeVisible();
+});
+
+test('AI 识车页：未登录提示 + 上传区', async ({ page }) => {
+  await page.goto('/identify');
+  await expect(page.getByRole('heading', { name: 'AI 识车' })).toBeVisible();
+  await expect(page.locator('.identify-drop')).toBeVisible();
+  await expect(page.locator('.notice')).toContainText('登录');
+});
+
+test('管理员候选审图页可访问', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /管理员/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+  await page.getByRole('link', { name: '候选审图' }).click();
+  await expect(page).toHaveURL(/\/admin\/photos/);
+  await expect(page.getByRole('heading', { name: '候选审图' })).toBeVisible();
+});
+
+test('普通用户无候选审图入口', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /普通用户/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+  await expect(page.getByRole('link', { name: '候选审图' })).toHaveCount(0);
+});
+
+test('图鉴：输入型号关键字直接筛选', async ({ page }) => {
+  await page.goto('/explore');
+  await expect(page.getByTestId('gallery-card').first()).toBeVisible();
+  await page.locator('.kw-input').fill('HXD');
+  // 防抖后结果收敛，首张卡片型号含 HXD
+  await expect(page.locator('.gcard-code').first()).toContainText('HXD');
+  // 计数随筛选下降（全量 500+ → 少量）
+  await expect(page.locator('.result-count')).toBeVisible();
+});
+
+test('管理员：上传后可将照片设为封面', async ({ page }) => {
+  await page.goto('/');
+  await page.getByRole('button', { name: '登录 / 注册' }).click();
+  await page.getByRole('button', { name: /管理员/ }).click();
+  await page.locator('.auth-submit').click();
+  await expect(page.locator('.user-chip')).toBeVisible();
+
+  await page.goto('/models/2');
+  await page.getByRole('heading', { name: '图册' }).scrollIntoViewIfNeeded();
+  const png = Buffer.from(
+    'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==',
+    'base64',
+  );
+  await page.setInputFiles('input[type=file]', {
+    name: 'cover.png',
+    mimeType: 'image/png',
+    buffer: png,
+  });
+  // 已确认的图库照片出现"设为封面"★ 按钮
+  const featureBtn = page.getByRole('button', { name: '设为封面' }).first();
+  await expect(featureBtn).toBeVisible();
+  await featureBtn.click();
+  // 设为封面后按钮进入选中态（金色 on）
+  await expect(page.locator('.img-feature.on')).toBeVisible();
+});
+
+test('图鉴：翻到第 2 页进详情，返回仍停在第 2 页', async ({ page }) => {
+  await page.goto('/explore');
+  await expect(page.getByTestId('gallery-card').first()).toBeVisible();
+  await page.getByRole('button', { name: '下一页' }).click();
+  await expect(page).toHaveURL(/[?&]gp=2/);
+  await expect(page.locator('.pagination')).toContainText('第 2');
+  const firstCode = await page.locator('.gcard-code').first().textContent();
+
+  await page.locator('.gcard-art').first().click();
+  await expect(page).toHaveURL(/\/models\/\d+/);
+
+  await page.getByRole('button', { name: /返回图鉴/ }).click();
+  await expect(page).toHaveURL(/[?&]gp=2/);
+  await expect(page.locator('.pagination')).toContainText('第 2');
+  await expect(page.locator('.gcard-code').first()).toHaveText(firstCode || '');
+});
+
+test('图鉴页不再显示"收集示例"按钮', async ({ page }) => {
+  await page.goto('/explore');
+  await expect(page.getByTestId('gallery')).toBeVisible();
+  await expect(page.getByRole('button', { name: '收集示例' })).toHaveCount(0);
+});
diff --git a/apps/web/index.html b/apps/web/index.html
new file mode 100644
index 0000000..f1cb738
--- /dev/null
+++ b/apps/web/index.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>中国机车图鉴</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>
diff --git a/apps/web/package-lock.json b/apps/web/package-lock.json
new file mode 100644
index 0000000..5a991a8
--- /dev/null
+++ b/apps/web/package-lock.json
@@ -0,0 +1,3548 @@
+{
+  "name": "@train/web",
+  "version": "0.1.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@train/web",
+      "version": "0.1.0",
+      "dependencies": {
+        "maplibre-gl": "^5.24.0",
+        "react": "^18.3.1",
+        "react-dom": "^18.3.1",
+        "react-icons": "^5.6.0",
+        "react-router-dom": "^6.26.2"
+      },
+      "devDependencies": {
+        "@playwright/test": "^1.47.2",
+        "@testing-library/jest-dom": "^6.5.0",
+        "@testing-library/react": "^16.0.1",
+        "@types/react": "^18.3.10",
+        "@types/react-dom": "^18.3.0",
+        "@vitejs/plugin-react": "^4.3.2",
+        "jsdom": "^25.0.1",
+        "typescript": "^5.6.2",
+        "vite": "^5.4.8",
+        "vitest": "^2.1.2"
+      }
+    },
+    "node_modules/@adobe/css-tools": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmmirror.com/@adobe/css-tools/-/css-tools-4.5.0.tgz",
+      "integrity": "sha512-6OzddxPio9UiWTCemp4N8cYLV2ZN1ncRnV1cVGtve7dhPOtRkleRyx32GQCYSwDYgaHU3USMm84tNsvKzRCa1Q==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@asamuzakjp/css-color": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmmirror.com/@asamuzakjp/css-color/-/css-color-3.2.0.tgz",
+      "integrity": "sha512-K1A6z8tS3XsmCMM86xoWdn7Fkdn9m6RSVtocUrJYIwZnFVkng/PvkEoWtOWmP+Scc6saYWHWZYbndEEXxl24jw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@csstools/css-calc": "^2.1.3",
+        "@csstools/css-color-parser": "^3.0.9",
+        "@csstools/css-parser-algorithms": "^3.0.4",
+        "@csstools/css-tokenizer": "^3.0.3",
+        "lru-cache": "^10.4.3"
+      }
+    },
+    "node_modules/@asamuzakjp/css-color/node_modules/lru-cache": {
+      "version": "10.4.3",
+      "resolved": "https://registry.npmmirror.com/lru-cache/-/lru-cache-10.4.3.tgz",
+      "integrity": "sha512-JNAzZcXrCt42VGLuYz0zfAzDfAvJWW6AfYlDBQyDV5DClI2m5sAmK+OIO7s59XfsRsWHp02jAJrRadPRGTt6SQ==",
+      "dev": true,
+      "license": "ISC"
+    },
+    "node_modules/@babel/code-frame": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/code-frame/-/code-frame-7.29.7.tgz",
+      "integrity": "sha512-Aup7aUOfpbAUg2ROOJN6Iw5f9DMBlzu0mIkm/malLQFN/YQgO48wCj0Kxa3sEHJvPVFg7siR+qRInwXd2qhQKw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/helper-validator-identifier": "^7.29.7",
+        "js-tokens": "^4.0.0",
+        "picocolors": "^1.1.1"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/compat-data": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/compat-data/-/compat-data-7.29.7.tgz",
+      "integrity": "sha512-locTkQyKvwIEgBzVrn8693ebc97F2U8ZHjbXwDXJ5Fn2TCpNwTlKcaKLkdHop5c/icOFE7qt7Q9JC5hnKNa6Gg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/core": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/core/-/core-7.29.7.tgz",
+      "integrity": "sha512-RgHBCvtjbOK2gXSNBNIkNoEc9qoVEtau3hj8gEqKQuL3HZAibKarWFEI3Lfm6EYKkLalOh8eSrj9b+ch9H/VBA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/code-frame": "^7.29.7",
+        "@babel/generator": "^7.29.7",
+        "@babel/helper-compilation-targets": "^7.29.7",
+        "@babel/helper-module-transforms": "^7.29.7",
+        "@babel/helpers": "^7.29.7",
+        "@babel/parser": "^7.29.7",
+        "@babel/template": "^7.29.7",
+        "@babel/traverse": "^7.29.7",
+        "@babel/types": "^7.29.7",
+        "@jridgewell/remapping": "^2.3.5",
+        "convert-source-map": "^2.0.0",
+        "debug": "^4.1.0",
+        "gensync": "^1.0.0-beta.2",
+        "json5": "^2.2.3",
+        "semver": "^6.3.1"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/babel"
+      }
+    },
+    "node_modules/@babel/generator": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/generator/-/generator-7.29.7.tgz",
+      "integrity": "sha512-DkXD5OJQaAQIdZ1bt3UZdEnHAn9Imd3IVBdX03UFe+ony9Ojw5pzr9YVKGDY1jt+Gcn/FnGkNf8r+Vj5NOJWtQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/parser": "^7.29.7",
+        "@babel/types": "^7.29.7",
+        "@jridgewell/gen-mapping": "^0.3.12",
+        "@jridgewell/trace-mapping": "^0.3.28",
+        "jsesc": "^3.0.2"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-compilation-targets": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.29.7.tgz",
+      "integrity": "sha512-wem6WaBj4NaVYVdNhLPPVacES6ZJ+KBBfSkTMD3YZxbP3rm3Di85tJU5ljaUNhaOynt+Aj0xruhYuzQBt8n71g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/compat-data": "^7.29.7",
+        "@babel/helper-validator-option": "^7.29.7",
+        "browserslist": "^4.24.0",
+        "lru-cache": "^5.1.1",
+        "semver": "^6.3.1"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-globals": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/helper-globals/-/helper-globals-7.29.7.tgz",
+      "integrity": "sha512-3nQVUAtvkKH9zahfWgw96Jc/uFOmjACE1kQz82E2lqWmHBgjzbNlsC22nuQTfahmWeQtTq5nQ/4Nnd2A1wj4zA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-module-imports": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/helper-module-imports/-/helper-module-imports-7.29.7.tgz",
+      "integrity": "sha512-ejHwrQQYcm9xnTivShn2IDOlIzInN34AXskvq9QicvCtEzq1Vzclu/tKF8Jq1Cg8JG2GL6/EmjgsCT7lXepE3g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/traverse": "^7.29.7",
+        "@babel/types": "^7.29.7"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-module-transforms": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/helper-module-transforms/-/helper-module-transforms-7.29.7.tgz",
+      "integrity": "sha512-UPUVSyXbOh627KiCIGQSgwWzGeBKLkaJ9PJEdrngIwMSzxLR4jS4+f1f1jb7VzBbg8nFLaYotvVPFCTqdrmTAg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/helper-module-imports": "^7.29.7",
+        "@babel/helper-validator-identifier": "^7.29.7",
+        "@babel/traverse": "^7.29.7"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      },
+      "peerDependencies": {
+        "@babel/core": "^7.0.0"
+      }
+    },
+    "node_modules/@babel/helper-plugin-utils": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.29.7.tgz",
+      "integrity": "sha512-G7sHYigPY17oO5SYWnfD/0MTBwVR781S/JI643e/JhUYgVgWE/61SoW3NH9KWUKyKq5LVh3npif99Wkt6j86Jw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-string-parser": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/helper-string-parser/-/helper-string-parser-7.29.7.tgz",
+      "integrity": "sha512-Pb5ijPrZ89GDH8223L4UP8i6QApWxs04RbPQJTeWDV0/keR2E36MeKnyr6LYmUUvqRRI+Iv87SuF1W6ErINzYw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-validator-identifier": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.29.7.tgz",
+      "integrity": "sha512-qehxGkRj55h/ff8EMaJ+cYhyaKlHIxqYDn682wQD7RNp9UujOQsHog2uS0r2vzr4pW+sXf90NeeayjcNaX3fFg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-validator-option": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/helper-validator-option/-/helper-validator-option-7.29.7.tgz",
+      "integrity": "sha512-N9ZErrD+yW5geCDtBqnOoxmR8+tNKiGuxKlDpuJxfsqpa2dFcexaziGAE/qoHLiDDreVNMupxGmSoNlyvsA3gw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helpers": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/helpers/-/helpers-7.29.7.tgz",
+      "integrity": "sha512-1k2lAGRMfHTcwuNYcCNUmaUffmQv8KWMfh2iJUUeRlwlwH4FdNG7mfPI10NPfLHJFThE4Tyr4mv7kTNZOiPuBg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/template": "^7.29.7",
+        "@babel/types": "^7.29.7"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/parser": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/parser/-/parser-7.29.7.tgz",
+      "integrity": "sha512-hnORnjP/1P/zFEndoeX+n+t1RwWRJiJpM/jO7FW32Kn9r5+sJB2JWOdYo4L6k78j15eCwY3Gm/7364B1EMwtNg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/types": "^7.29.7"
+      },
+      "bin": {
+        "parser": "bin/babel-parser.js"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@babel/plugin-transform-react-jsx-self": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/plugin-transform-react-jsx-self/-/plugin-transform-react-jsx-self-7.29.7.tgz",
+      "integrity": "sha512-TL0hMc9xzy86VD31nUiwzd5otRAcyEPcsegCxolO0PvcXuH1v0kECe/UIznYFihpkvU5wg/jk4v0TTEFfm53fw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/helper-plugin-utils": "^7.29.7"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      },
+      "peerDependencies": {
+        "@babel/core": "^7.0.0-0"
+      }
+    },
+    "node_modules/@babel/plugin-transform-react-jsx-source": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/plugin-transform-react-jsx-source/-/plugin-transform-react-jsx-source-7.29.7.tgz",
+      "integrity": "sha512-06IyK09H3wi4cGbhDBwp5gUGo0IKtnYa8tyTiephirPCK6fbobVGiXMMI5zLQ4aKEYP3wZ3ArU44o+8KMrSG/Q==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/helper-plugin-utils": "^7.29.7"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      },
+      "peerDependencies": {
+        "@babel/core": "^7.0.0-0"
+      }
+    },
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+      }
+    },
+    "node_modules/xml-name-validator": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmmirror.com/xml-name-validator/-/xml-name-validator-5.0.0.tgz",
+      "integrity": "sha512-EvGK8EJ3DhaHfbRlETOWAS5pO9MZITeauHKJyb8wyajUfQUenkIg2MvLDTZ4T/TgIcm3HU0TFBgWWboAZ30UHg==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/xmlchars": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmmirror.com/xmlchars/-/xmlchars-2.2.0.tgz",
+      "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmmirror.com/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+      "dev": true,
+      "license": "ISC"
+    }
+  }
+}
diff --git a/apps/web/package.json b/apps/web/package.json
new file mode 100644
index 0000000..260c37e
--- /dev/null
+++ b/apps/web/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "@train/web",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "preview": "vite preview",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "test:e2e": "playwright test"
+  },
+  "dependencies": {
+    "maplibre-gl": "^5.24.0",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
+    "react-icons": "^5.6.0",
+    "react-router-dom": "^6.26.2"
+  },
+  "devDependencies": {
+    "@playwright/test": "^1.47.2",
+    "@testing-library/jest-dom": "^6.5.0",
+    "@testing-library/react": "^16.0.1",
+    "@types/react": "^18.3.10",
+    "@types/react-dom": "^18.3.0",
+    "@vitejs/plugin-react": "^4.3.2",
+    "jsdom": "^25.0.1",
+    "typescript": "^5.6.2",
+    "vite": "^5.4.8",
+    "vitest": "^2.1.2"
+  }
+}
diff --git a/apps/web/playwright.config.ts b/apps/web/playwright.config.ts
new file mode 100644
index 0000000..4af8600
--- /dev/null
+++ b/apps/web/playwright.config.ts
@@ -0,0 +1,34 @@
+import { defineConfig, devices } from '@playwright/test';
+
+/**
+ * Playwright e2e 配置 — 对应 T-1.5/1.6/1.7/1.8 E2E。
+ * 自动拉起后端 API（apps/api）与前端 dev server，再跑用例。
+ */
+export default defineConfig({
+  testDir: './e2e',
+  timeout: 30_000,
+  fullyParallel: false,
+  reporter: [['list']],
+  use: {
+    baseURL: 'http://127.0.0.1:5173',
+    trace: 'on-first-retry',
+  },
+  projects: [
+    { name: 'chromium', use: { ...devices['Desktop Chrome'] } },
+  ],
+  webServer: [
+    {
+      command: 'node dist/main.js',
+      cwd: '../api',
+      url: 'http://127.0.0.1:3001/api/health',
+      reuseExistingServer: true,
+      timeout: 30_000,
+    },
+    {
+      command: 'npm run dev -- --host 127.0.0.1',
+      url: 'http://127.0.0.1:5173',
+      reuseExistingServer: true,
+      timeout: 30_000,
+    },
+  ],
+});
diff --git a/apps/web/src/App.tsx b/apps/web/src/App.tsx
new file mode 100644
index 0000000..dd3c046
--- /dev/null
+++ b/apps/web/src/App.tsx
@@ -0,0 +1,88 @@
+import { useState } from 'react';
+import { Link, Route, Routes } from 'react-router-dom';
+import { SearchBox } from './components/SearchBox';
+import { AuthModal } from './components/AuthModal';
+import { NavMenu } from './components/NavMenu';
+import { IconBrand } from './components/icons';
+import { useAuth, ROLE_LABEL } from './lib/auth';
+import { HomePage } from './pages/HomePage';
+import { ListPage } from './pages/ListPage';
+import { DetailPage } from './pages/DetailPage';
+import { ProfilePage } from './pages/ProfilePage';
+import { ReviewPage } from './pages/ReviewPage';
+import { LeaderboardPage } from './pages/LeaderboardPage';
+import { ForumPage } from './pages/ForumPage';
+import { ThreadPage } from './pages/ThreadPage';
+import { MapPage } from './pages/MapPage';
+import { ComparePage } from './pages/ComparePage';
+import { FamilyPage } from './pages/FamilyPage';
+import { DashboardPage } from './pages/DashboardPage';
+import { ApiDocsPage } from './pages/ApiDocsPage';
+import { IdentifyPage } from './pages/IdentifyPage';
+import { AdminPhotosPage } from './pages/AdminPhotosPage';
+
+const RANK: Record<string, number> = {
+  guest: 0, user: 1, trusted: 2, moderator: 3, admin: 4,
+};
+
+function UserMenu({ onLogin }: { onLogin: () => void }) {
+  const { user, loading } = useAuth();
+  if (loading) return null;
+  if (!user)
+    return (
+      <button className="login-btn" onClick={onLogin}>
+        登录 / 注册
+      </button>
+    );
+  return (
+    <Link to="/me" className="user-chip" title={ROLE_LABEL[user.role] ?? user.role}>
+      <span className="user-avatar">{user.displayName.slice(0, 1)}</span>
+      <span className="user-name">{user.displayName}</span>
+    </Link>
+  );
+}
+
+export default function App() {
+  const [showAuth, setShowAuth] = useState(false);
+  const { user } = useAuth();
+  const canReview = !!user && RANK[user.role] >= RANK.moderator;
+  const isAdmin = user?.role === 'admin';
+  return (
+    <div className="app">
+      <header className="topbar">
+        <Link to="/" className="brand">
+          <IconBrand size={24} /> 中国机车图鉴
+        </Link>
+        <NavMenu canReview={canReview} isAdmin={isAdmin} />
+        <SearchBox />
+        <UserMenu onLogin={() => setShowAuth(true)} />
+      </header>
+      <main>
+        <Routes>
+          <Route path="/" element={<HomePage />} />
+          <Route path="/explore" element={<ListPage />} />
+          <Route path="/models/:id" element={<DetailPage />} />
+          <Route path="/me" element={<ProfilePage />} />
+          <Route path="/review" element={<ReviewPage />} />
+          <Route path="/leaderboard" element={<LeaderboardPage />} />
+          <Route path="/community" element={<ForumPage />} />
+          <Route path="/thread/:id" element={<ThreadPage />} />
+          <Route path="/map" element={<MapPage />} />
+          <Route path="/compare" element={<ComparePage />} />
+          <Route path="/family" element={<FamilyPage />} />
+          <Route path="/stats" element={<DashboardPage />} />
+          <Route path="/api-docs" element={<ApiDocsPage />} />
+          <Route path="/identify" element={<IdentifyPage />} />
+          <Route path="/admin/photos" element={<AdminPhotosPage />} />
+        </Routes>
+      </main>
+      <footer className="foot muted">
+        <span>数据底座 · 沿技术演进主线呈现 · 众包共建</span>
+        <nav className="foot-nav">
+          <Link to="/api-docs">开放 API & 数据</Link>
+        </nav>
+      </footer>
+      {showAuth && <AuthModal onClose={() => setShowAuth(false)} />}
+    </div>
+  );
+}
diff --git a/apps/web/src/api/client.test.ts b/apps/web/src/api/client.test.ts
new file mode 100644
index 0000000..cb14074
--- /dev/null
+++ b/apps/web/src/api/client.test.ts
@@ -0,0 +1,22 @@
+import { describe, expect, it } from 'vitest';
+import { buildQuery } from './client';
+
+describe('buildQuery', () => {
+  it('剔除空值', () => {
+    expect(buildQuery({ a: 1, b: undefined, c: null, d: '' })).toBe('?a=1');
+  });
+
+  it('多参数', () => {
+    const s = buildQuery({ page: 2, category: '电力机车' });
+    expect(s).toContain('page=2');
+    expect(s).toContain('category=');
+  });
+
+  it('空对象返回空串', () => {
+    expect(buildQuery({})).toBe('');
+  });
+
+  it('0 与 false 保留', () => {
+    expect(buildQuery({ a: 0, b: false })).toBe('?a=0&b=false');
+  });
+});
diff --git a/apps/web/src/api/client.ts b/apps/web/src/api/client.ts
new file mode 100644
index 0000000..518933d
--- /dev/null
+++ b/apps/web/src/api/client.ts
@@ -0,0 +1,226 @@
+import type {
+  AuthResult,
+  Board,
+  Category,
+  EditableField,
+  Family,
+  Identification,
+  LeaderboardEntry,
+  Maintainer,
+  ModelDetail,
+  ModelListItem,
+  ModelQuery,
+  Paged,
+  Photo,
+  PublicUser,
+  Revision,
+  SearchResult,
+  Sighting,
+  Spot,
+  Stats,
+  Thread,
+  UserStats,
+} from '../types';
+
+const BASE = import.meta.env?.VITE_API_BASE ?? '';
+const TOKEN_KEY = 'train.token';
+
+export function getToken(): string | null {
+  try {
+    return localStorage.getItem(TOKEN_KEY);
+  } catch {
+    return null;
+  }
+}
+export function setToken(t: string) {
+  try {
+    localStorage.setItem(TOKEN_KEY, t);
+  } catch {
+    /* ignore */
+  }
+}
+export function clearToken() {
+  try {
+    localStorage.removeItem(TOKEN_KEY);
+  } catch {
+    /* ignore */
+  }
+}
+
+/** 把查询对象转为 URLSearchParams 字符串（剔除 null/undefined/空串）。*/
+export function buildQuery(params: Record<string, unknown>): string {
+  const sp = new URLSearchParams();
+  for (const [k, v] of Object.entries(params)) {
+    if (v === undefined || v === null || v === '') continue;
+    sp.set(k, String(v));
+  }
+  const s = sp.toString();
+  return s ? `?${s}` : '';
+}
+
+function authHeaders(): Record<string, string> {
+  const t = getToken();
+  return t ? { Authorization: `Bearer ${t}` } : {};
+}
+
+async function getJson<T>(path: string): Promise<T> {
+  const res = await fetch(`${BASE}${path}`, { headers: { ...authHeaders() } });
+  if (!res.ok) throw new Error(`请求失败 ${res.status}: ${path}`);
+  return res.json() as Promise<T>;
+}
+
+async function postJson<T>(path: string, body: unknown): Promise<T> {
+  const res = await fetch(`${BASE}${path}`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json', ...authHeaders() },
+    body: JSON.stringify(body),
+  });
+  const data = await res.json().catch(() => ({}));
+  if (!res.ok) {
+    const msg = Array.isArray((data as any)?.message)
+      ? (data as any).message.join('；')
+      : (data as any)?.message || `请求失败 ${res.status}`;
+    throw new Error(msg);
+  }
+  return data as T;
+}
+
+async function deleteJson<T>(path: string): Promise<T> {
+  const res = await fetch(`${BASE}${path}`, {
+    method: 'DELETE',
+    headers: { ...authHeaders() },
+  });
+  const data = await res.json().catch(() => ({}));
+  if (!res.ok) throw new Error((data as any)?.message || `请求失败 ${res.status}`);
+  return data as T;
+}
+
+async function patchJson<T>(path: string, body: unknown): Promise<T> {
+  const res = await fetch(`${BASE}${path}`, {
+    method: 'PATCH',
+    headers: { 'Content-Type': 'application/json', ...authHeaders() },
+    body: JSON.stringify(body),
+  });
+  const data = await res.json().catch(() => ({}));
+  if (!res.ok) throw new Error((data as any)?.message || `请求失败 ${res.status}`);
+  return data as T;
+}
+
+async function postForm<T>(path: string, form: FormData): Promise<T> {
+  // 不手动设置 Content-Type，让浏览器带上 multipart boundary
+  const res = await fetch(`${BASE}${path}`, {
+    method: 'POST',
+    headers: { ...authHeaders() },
+    body: form,
+  });
+  const data = await res.json().catch(() => ({}));
+  if (!res.ok) {
+    const msg = Array.isArray((data as any)?.message)
+      ? (data as any).message.join('；')
+      : (data as any)?.message || `上传失败 ${res.status}`;
+    throw new Error(msg);
+  }
+  return data as T;
+}
+
+export const api = {
+  categories: () => getJson<Category[]>('/api/categories'),
+
+  models: (q: ModelQuery = {}) =>
+    getJson<Paged<ModelListItem>>(
+      `/api/models${buildQuery(q as Record<string, unknown>)}`,
+    ),
+
+  model: (id: number) => getJson<ModelDetail>(`/api/models/${id}`),
+
+  search: (q: string, limit = 10) =>
+    getJson<{ query: string; results: SearchResult[] }>(
+      `/api/search${buildQuery({ q, limit })}`,
+    ),
+
+  auth: {
+    register: (email: string, password: string, displayName: string) =>
+      postJson<AuthResult>('/api/auth/register', { email, password, displayName }),
+    login: (email: string, password: string) =>
+      postJson<AuthResult>('/api/auth/login', { email, password }),
+    me: () => getJson<UserStats>('/api/auth/me'),
+  },
+
+  editableFields: () => getJson<EditableField[]>('/api/editable-fields'),
+  modelRevisions: (id: number) => getJson<Revision[]>(`/api/models/${id}/revisions`),
+  submitRevision: (id: number, changes: Record<string, string>, note: string) =>
+    postJson<Revision>(`/api/models/${id}/revisions`, { changes, note }),
+  pendingRevisions: () => getJson<Revision[]>('/api/revisions/pending'),
+  approveRevision: (rid: number) =>
+    postJson<Revision>(`/api/revisions/${rid}/approve`, {}),
+  rejectRevision: (rid: number) =>
+    postJson<Revision>(`/api/revisions/${rid}/reject`, {}),
+
+  leaderboard: (limit = 20) =>
+    getJson<LeaderboardEntry[]>(`/api/leaderboard${buildQuery({ limit })}`),
+  maintainers: (id: number) => getJson<Maintainer[]>(`/api/models/${id}/maintainers`),
+  claimMaintainer: (id: number) =>
+    postJson<Maintainer[]>(`/api/models/${id}/maintainers`, {}),
+  unclaimMaintainer: (id: number) =>
+    deleteJson<Maintainer[]>(`/api/models/${id}/maintainers`),
+
+  boards: () => getJson<Board[]>('/api/boards'),
+  threads: (params: { board?: string; modelId?: number } = {}) =>
+    getJson<Thread[]>(`/api/threads${buildQuery(params)}`),
+  thread: (id: number) => getJson<Thread>(`/api/threads/${id}`),
+  createThread: (data: {
+    board: string;
+    modelId?: number;
+    title: string;
+    body: string;
+  }) => postJson<Thread>('/api/threads', data),
+  addReply: (id: number, body: string) =>
+    postJson<Thread>(`/api/threads/${id}/replies`, { body }),
+
+  modelSightings: (id: number) =>
+    getJson<Sighting[]>(`/api/models/${id}/sightings`),
+  createSighting: (
+    id: number,
+    data: {
+      lat: number;
+      lng: number;
+      station?: string;
+      carNumber?: string;
+      spottedAt?: string;
+      description?: string;
+    },
+  ) => postJson<Sighting>(`/api/models/${id}/sightings`, data),
+  recentSightings: (limit = 30) =>
+    getJson<Sighting[]>(`/api/sightings/recent${buildQuery({ limit })}`),
+  sightingsMap: () => getJson<Sighting[]>('/api/sightings/map'),
+  spots: () => getJson<Spot[]>('/api/sightings/spots'),
+  families: (category?: string) =>
+    getJson<Family[]>(`/api/models/families${buildQuery({ category: category ?? '' })}`),
+  stats: () => getJson<Stats>('/api/stats'),
+
+  modelPhotos: (id: number) => getJson<Photo[]>(`/api/models/${id}/photos`),
+  uploadPhoto: (id: number, file: File, caption = '') => {
+    const fd = new FormData();
+    fd.append('file', file);
+    if (caption) fd.append('caption', caption);
+    return postForm<Photo>(`/api/models/${id}/photos`, fd);
+  },
+  deletePhoto: (pid: number) => deleteJson<{ ok: boolean }>(`/api/photos/${pid}`),
+  confirmPhoto: (pid: number) => postJson<Photo>(`/api/photos/${pid}/confirm`, {}),
+  featurePhoto: (pid: number) => postJson<Photo>(`/api/photos/${pid}/feature`, {}),
+  candidatePhotos: () =>
+    getJson<(Photo & { modelCode: string; category: string })[]>(
+      '/api/photos/candidates',
+    ),
+
+  identify: (file: File) => {
+    const fd = new FormData();
+    fd.append('file', file);
+    return postForm<Identification>('/api/identify', fd);
+  },
+  identifications: () => getJson<Identification[]>('/api/identifications'),
+  updateIdentification: (id: number, note: string) =>
+    patchJson<Identification>(`/api/identifications/${id}`, { note }),
+  deleteIdentification: (id: number) =>
+    deleteJson<{ ok: boolean }>(`/api/identifications/${id}`),
+};
diff --git a/apps/web/src/components/AuthModal.tsx b/apps/web/src/components/AuthModal.tsx
new file mode 100644
index 0000000..78c970d
--- /dev/null
+++ b/apps/web/src/components/AuthModal.tsx
@@ -0,0 +1,115 @@
+import { useState } from 'react';
+import { useAuth } from '../lib/auth';
+import { IconClose } from './icons';
+
+const TEST_ACCOUNTS = [
+  { label: '管理员', email: 'admin@demo.com', password: 'demo1234' },
+  { label: '版主', email: 'mod@demo.com', password: 'demo1234' },
+  { label: '普通用户', email: 'user@demo.com', password: 'demo1234' },
+];
+
+export function AuthModal({ onClose }: { onClose: () => void }) {
+  const { login, register } = useAuth();
+  const [mode, setMode] = useState<'login' | 'register'>('login');
+  const [email, setEmail] = useState('');
+  const [password, setPassword] = useState('');
+  const [displayName, setDisplayName] = useState('');
+  const [error, setError] = useState('');
+  const [busy, setBusy] = useState(false);
+
+  const fill = (acc: { email: string; password: string }) => {
+    setMode('login');
+    setEmail(acc.email);
+    setPassword(acc.password);
+    setError('');
+  };
+
+  const submit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setError('');
+    setBusy(true);
+    try {
+      if (mode === 'login') await login(email, password);
+      else await register(email, password, displayName);
+      onClose();
+    } catch (err) {
+      setError(err instanceof Error ? err.message : '操作失败');
+    } finally {
+      setBusy(false);
+    }
+  };
+
+  return (
+    <div className="modal-backdrop" onClick={onClose}>
+      <div className="modal" onClick={(e) => e.stopPropagation()} data-testid="auth-modal">
+        <div className="modal-tabs">
+          <button
+            className={mode === 'login' ? 'active' : ''}
+            onClick={() => setMode('login')}
+          >
+            登录
+          </button>
+          <button
+            className={mode === 'register' ? 'active' : ''}
+            onClick={() => setMode('register')}
+          >
+            注册
+          </button>
+        </div>
+        <form onSubmit={submit} className="auth-form">
+          {mode === 'register' && (
+            <input
+              placeholder="昵称"
+              value={displayName}
+              onChange={(e) => setDisplayName(e.target.value)}
+              autoComplete="nickname"
+            />
+          )}
+          <input
+            type="email"
+            placeholder="邮箱"
+            value={email}
+            onChange={(e) => setEmail(e.target.value)}
+            autoComplete="email"
+            required
+          />
+          <input
+            type="password"
+            placeholder="密码（至少 6 位）"
+            value={password}
+            onChange={(e) => setPassword(e.target.value)}
+            autoComplete={mode === 'login' ? 'current-password' : 'new-password'}
+            required
+          />
+          {error && <p className="error">{error}</p>}
+          <button type="submit" className="auth-submit" disabled={busy}>
+            {busy ? '处理中…' : mode === 'login' ? '登录' : '注册并登录'}
+          </button>
+        </form>
+
+        {mode === 'login' && (
+          <div className="test-accounts">
+            <span className="muted">测试账号（点击填入，密码 demo1234）：</span>
+            <div className="test-account-btns">
+              {TEST_ACCOUNTS.map((a) => (
+                <button
+                  key={a.email}
+                  type="button"
+                  className="test-account"
+                  onClick={() => fill(a)}
+                >
+                  <b>{a.label}</b>
+                  <small>{a.email}</small>
+                </button>
+              ))}
+            </div>
+          </div>
+        )}
+
+        <button className="modal-close" onClick={onClose} aria-label="关闭">
+          <IconClose size={18} />
+        </button>
+      </div>
+    </div>
+  );
+}
diff --git a/apps/web/src/components/EditModal.tsx b/apps/web/src/components/EditModal.tsx
new file mode 100644
index 0000000..5c8f62f
--- /dev/null
+++ b/apps/web/src/components/EditModal.tsx
@@ -0,0 +1,129 @@
+import { useEffect, useState } from 'react';
+import { api } from '../api/client';
+import { Button } from './ui';
+import { IconClose } from './icons';
+import type { EditableField, ModelDetail } from '../types';
+
+const STATUS_ENUM = ['现役', '封存', '半封存', '退役', '报废', '保存', '试验', '未知'];
+const COUNTRY_TYPE_ENUM = ['国产', '进口', '引进仿制', '中外合资', '未知'];
+
+export function EditModal({
+  model,
+  onClose,
+  onSaved,
+}: {
+  model: ModelDetail;
+  onClose: () => void;
+  onSaved: (msg: string) => void;
+}) {
+  const [fields, setFields] = useState<EditableField[]>([]);
+  const [values, setValues] = useState<Record<string, string>>({});
+  const [note, setNote] = useState('');
+  const [error, setError] = useState('');
+  const [busy, setBusy] = useState(false);
+
+  useEffect(() => {
+    api.editableFields().then((fs) => {
+      setFields(fs);
+      const init: Record<string, string> = {};
+      for (const f of fs) {
+        const v = (model as any)[f.field];
+        init[f.field] = v == null ? '' : String(v);
+      }
+      setValues(init);
+    });
+  }, [model]);
+
+  const submit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setError('');
+    const changes: Record<string, string> = {};
+    for (const f of fields) {
+      const cur = (model as any)[f.field];
+      const curStr = cur == null ? '' : String(cur);
+      if (values[f.field] !== curStr) changes[f.field] = values[f.field];
+    }
+    if (Object.keys(changes).length === 0) {
+      setError('没有任何改动');
+      return;
+    }
+    setBusy(true);
+    try {
+      const rev = await api.submitRevision(model.id, changes, note);
+      onSaved(
+        rev.status === 'approved'
+          ? '修改已通过并生效（你的权限可直接生效）'
+          : '修改已提交，等待版主审核',
+      );
+    } catch (err) {
+      setError(err instanceof Error ? err.message : '提交失败');
+    } finally {
+      setBusy(false);
+    }
+  };
+
+  return (
+    <div className="modal-backdrop" onClick={onClose}>
+      <div
+        className="modal modal-wide"
+        onClick={(e) => e.stopPropagation()}
+        data-testid="edit-modal"
+      >
+        <h2>编辑「{model.model_code}」</h2>
+        <p className="muted edit-hint">
+          提交后进入审核（信任用户及以上可直接生效）。修改有完整历史，可回溯。
+        </p>
+        <form onSubmit={submit} className="edit-form">
+          <div className="edit-grid">
+            {fields.map((f) => (
+              <label key={f.field} className="edit-field">
+                <span>{f.label}</span>
+                {f.field === 'status' ? (
+                  <select
+                    value={values[f.field] ?? ''}
+                    onChange={(e) => setValues((v) => ({ ...v, [f.field]: e.target.value }))}
+                  >
+                    <option value="">—</option>
+                    {STATUS_ENUM.map((s) => (
+                      <option key={s} value={s}>{s}</option>
+                    ))}
+                  </select>
+                ) : f.field === 'country_type' ? (
+                  <select
+                    value={values[f.field] ?? ''}
+                    onChange={(e) => setValues((v) => ({ ...v, [f.field]: e.target.value }))}
+                  >
+                    <option value="">—</option>
+                    {COUNTRY_TYPE_ENUM.map((s) => (
+                      <option key={s} value={s}>{s}</option>
+                    ))}
+                  </select>
+                ) : (
+                  <input
+                    type={f.type === 'int' ? 'number' : 'text'}
+                    value={values[f.field] ?? ''}
+                    onChange={(e) => setValues((v) => ({ ...v, [f.field]: e.target.value }))}
+                  />
+                )}
+              </label>
+            ))}
+          </div>
+          <input
+            className="edit-note"
+            placeholder="修改说明 / 来源（可选）"
+            value={note}
+            onChange={(e) => setNote(e.target.value)}
+          />
+          {error && <p className="error">{error}</p>}
+          <div className="edit-actions">
+            <Button type="button" variant="secondary" onClick={onClose}>取消</Button>
+            <Button type="submit" variant="primary" disabled={busy}>
+              {busy ? '提交中…' : '提交修改'}
+            </Button>
+          </div>
+        </form>
+        <button className="modal-close" onClick={onClose} aria-label="关闭"><IconClose size={18} /></button>
+      </div>
+    </div>
+  );
+}
diff --git a/apps/web/src/components/EvolutionCurve.tsx b/apps/web/src/components/EvolutionCurve.tsx
new file mode 100644
index 0000000..69b9e16
--- /dev/null
+++ b/apps/web/src/components/EvolutionCurve.tsx
@@ -0,0 +1,74 @@
+import type { EvolutionPoint } from '../lib/eras';
+
+/** 时速演进曲线（SVG）：横轴年代、纵轴最高时速，体现"科学感"主线。*/
+export function EvolutionCurve({ points }: { points: EvolutionPoint[] }) {
+  if (points.length < 2) return null;
+  const W = 720;
+  const H = 180;
+  const padX = 36;
+  const padY = 24;
+  const decades = points.map((p) => p.decade);
+  const speeds = points.map((p) => p.maxSpeed);
+  const minD = Math.min(...decades);
+  const maxD = Math.max(...decades);
+  const maxS = Math.max(...speeds);
+  const spanD = Math.max(1, maxD - minD);
+
+  const x = (d: number) => padX + ((d - minD) / spanD) * (W - padX * 2);
+  const y = (s: number) => H - padY - (s / maxS) * (H - padY * 2);
+
+  const line = points.map((p) => `${x(p.decade)},${y(p.maxSpeed)}`).join(' ');
+  const area = `${padX},${H - padY} ${line} ${W - padX},${H - padY}`;
+
+  return (
+    <svg
+      className="evo"
+      viewBox={`0 0 ${W} ${H}`}
+      role="img"
+      aria-label="中国机车最高时速演进曲线"
+      data-testid="evolution-curve"
+    >
+      <defs>
+        <linearGradient id="evoFill" x1="0" y1="0" x2="0" y2="1">
+          <stop offset="0" stopColor="#4ea1ff" stopOpacity="0.35" />
+          <stop offset="1" stopColor="#4ea1ff" stopOpacity="0" />
+        </linearGradient>
+      </defs>
+      <polygon points={area} fill="url(#evoFill)" />
+      <polyline
+        points={line}
+        fill="none"
+        stroke="#4ea1ff"
+        strokeWidth="2.5"
+        strokeLinejoin="round"
+      />
+      {points.map((p) => (
+        <g key={p.decade}>
+          <circle cx={x(p.decade)} cy={y(p.maxSpeed)} r="3.5" fill="#9ed0ff" />
+          {(p.decade === minD ||
+            p.decade === maxD ||
+            p.maxSpeed === maxS) && (
+            <text
+              x={x(p.decade)}
+              y={y(p.maxSpeed) - 10}
+              fontSize="11"
+              fill="#cdd5e0"
+              textAnchor="middle"
+            >
+              {p.maxSpeed}km/h
+            </text>
+          )}
+          <text
+            x={x(p.decade)}
+            y={H - 6}
+            fontSize="10"
+            fill="#8b93a1"
+            textAnchor="middle"
+          >
+            {p.decade}s
+          </text>
+        </g>
+      ))}
+    </svg>
+  );
+}
diff --git a/apps/web/src/components/FilterBar.tsx b/apps/web/src/components/FilterBar.tsx
new file mode 100644
index 0000000..ce76196
--- /dev/null
+++ b/apps/web/src/components/FilterBar.tsx
@@ -0,0 +1,94 @@
+import type { Category, ModelQuery } from '../types';
+
+const STATUSES = ['现役', '封存', '半封存', '退役', '报废', '试验', '保存', '未知'];
+const COUNTRIES = ['国产', '进口', '引进仿制', '中外合资', '未知'];
+
+export function FilterBar({
+  categories,
+  query,
+  onChange,
+}: {
+  categories: Category[];
+  query: ModelQuery;
+  onChange: (patch: Partial<ModelQuery>) => void;
+}) {
+  const catNames = Array.from(new Set(categories.map((c) => c.name)));
+  return (
+    <div className="filterbar">
+      <select
+        value={query.category ?? ''}
+        onChange={(e) => onChange({ category: e.target.value || undefined })}
+      >
+        <option value="">全部分类</option>
+        {catNames.map((n) => (
+          <option key={n} value={n}>
+            {n}
+          </option>
+        ))}
+      </select>
+
+      <select
+        value={query.status ?? ''}
+        onChange={(e) => onChange({ status: e.target.value || undefined })}
+      >
+        <option value="">全部状态</option>
+        {STATUSES.map((s) => (
+          <option key={s} value={s}>
+            {s}
+          </option>
+        ))}
+      </select>
+
+      <select
+        value={query.country ?? ''}
+        onChange={(e) => onChange({ country: e.target.value || undefined })}
+      >
+        <option value="">全部国别</option>
+        {COUNTRIES.map((s) => (
+          <option key={s} value={s}>
+            {s}
+          </option>
+        ))}
+      </select>
+
+      <input
+        type="number"
+        placeholder="起始年"
+        value={query.yearFrom ?? ''}
+        onChange={(e) =>
+          onChange({ yearFrom: e.target.value ? Number(e.target.value) : undefined })
+        }
+      />
+      <input
+        type="number"
+        placeholder="截止年"
+        value={query.yearTo ?? ''}
+        onChange={(e) =>
+          onChange({ yearTo: e.target.value ? Number(e.target.value) : undefined })
+        }
+      />
+      <input
+        type="number"
+        placeholder="时速≥"
+        value={query.speedMin ?? ''}
+        onChange={(e) =>
+          onChange({ speedMin: e.target.value ? Number(e.target.value) : undefined })
+        }
+      />
+
+      <select
+        value={`${query.sort}:${query.order}`}
+        onChange={(e) => {
+          const [sort, order] = e.target.value.split(':');
+          onChange({ sort, order: order as 'asc' | 'desc' });
+        }}
+      >
+        <option value="first_year:asc">年代 ↑</option>
+        <option value="first_year:desc">年代 ↓</option>
+        <option value="max_speed_value:desc">时速 ↓</option>
+        <option value="max_speed_value:asc">时速 ↑</option>
+        <option value="model_code:asc">型号 A→Z</option>
+      </select>
+    </div>
+  );
+}
diff --git a/apps/web/src/components/GalleryCard.test.tsx b/apps/web/src/components/GalleryCard.test.tsx
new file mode 100644
index 0000000..36c7af7
--- /dev/null
+++ b/apps/web/src/components/GalleryCard.test.tsx
@@ -0,0 +1,60 @@
+import { describe, expect, it, vi } from 'vitest';
+import { render, screen, fireEvent } from '@testing-library/react';
+import { MemoryRouter } from 'react-router-dom';
+import { GalleryCard } from './GalleryCard';
+import type { ModelListItem } from '../types';
+
+const m = {
+  id: 7,
+  model_code: 'CR400AF',
+  full_name: '复兴号',
+  series: '',
+  manufacturer: '中车四方',
+  country: '中国',
+  country_type: '国产',
+  first_year: 2017,
+  last_year: null,
+  status: '现役',
+  usage: '高速客运',
+  max_speed_value: 350,
+  max_speed_unit: 'km/h',
+  weight_value: null,
+  weight_unit: '',
+  axle_arrangement: '',
+  category: '动车组',
+  subcat: '复兴号',
+} as ModelListItem;
+
+const renderCard = (collected: boolean, onToggle = vi.fn()) =>
+  render(
+    <MemoryRouter future={{ v7_startTransition: true, v7_relativeSplatPath: true }}>
+      <GalleryCard m={m} index={1} collected={collected} onToggle={onToggle} />
+    </MemoryRouter>,
+  );
+
+describe('GalleryCard', () => {
+  it('展示缩略图、编号、收藏按钮', () => {
+    renderCard(false);
+    expect(screen.getByRole('img', { name: /CR400AF/ })).toBeInTheDocument();
+    expect(screen.getByText('#001')).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: '收藏' })).toBeInTheDocument();
+  });
+
+  it('已收藏：按钮变为已收藏', () => {
+    renderCard(true);
+    expect(screen.getByRole('button', { name: '已收藏' })).toBeInTheDocument();
+  });
+
+  it('点击收藏触发 onToggle(id)', () => {
+    const onToggle = vi.fn();
+    renderCard(false, onToggle);
+    fireEvent.click(screen.getByRole('button', { name: '收藏' }));
+    expect(onToggle).toHaveBeenCalledWith(7);
+  });
+
+  it('缩略图链接指向详情', () => {
+    renderCard(false);
+    const links = screen.getAllByRole('link');
+    expect(links.some((l) => l.getAttribute('href') === '/models/7')).toBe(true);
+  });
+});
diff --git a/apps/web/src/components/GalleryCard.tsx b/apps/web/src/components/GalleryCard.tsx
new file mode 100644
index 0000000..b6783b8
--- /dev/null
+++ b/apps/web/src/components/GalleryCard.tsx
@@ -0,0 +1,52 @@
+import { Link } from 'react-router-dom';
+import type { ModelListItem } from '../types';
+import { fmtEra } from '../lib/format';
+import { Thumb } from './Thumb';
+import { IconStarFilled, IconStarOutline } from './icons';
+
+/**
+ * 图鉴卡：封面优先级 共享图库封面(cover_url，本地图库) > 分类示意图。
+ * 真实照片已批量下载到本地共享图库，不再实时访问外部图源；★ 为个人收藏书签。
+ */
+export function GalleryCard({
+  m,
+  index,
+  collected,
+  onToggle,
+}: {
+  m: ModelListItem;
+  index: number;
+  collected: boolean;
+  onToggle: (id: number) => void;
+}) {
+  const no = `#${String(index).padStart(3, '0')}`;
+  const cover = m.cover_url ?? null;
+
+  return (
+    <div className={`gcard${collected ? ' collected' : ''}${cover ? ' bright' : ''}`} data-testid="gallery-card">
+      <span className="gcard-no">{no}</span>
+      <button
+        className="gcard-collect"
+        aria-pressed={collected}
+        aria-label={collected ? '已收藏' : '收藏'}
+        title={collected ? '已收藏' : '收藏'}
+        onClick={() => onToggle(m.id)}
+      >
+        {collected ? <IconStarFilled size={16} /> : <IconStarOutline size={16} />}
+      </button>
+      <Link to={`/models/${m.id}`} className="gcard-art">
+        {cover ? (
+          <img src={cover} alt={`${m.model_code} 照片`} loading="lazy" />
+        ) : (
+          <Thumb category={m.category} code={m.model_code} />
+        )}
+        <span className="gcard-caption">
+          <span className="gcard-code">{m.model_code}</span>
+          <span className="gcard-meta">
+            {m.category} · {fmtEra(m.first_year, m.last_year)}
+          </span>
+        </span>
+      </Link>
+    </div>
+  );
+}
diff --git a/apps/web/src/components/GalleryView.tsx b/apps/web/src/components/GalleryView.tsx
new file mode 100644
index 0000000..6ce5d63
--- /dev/null
+++ b/apps/web/src/components/GalleryView.tsx
@@ -0,0 +1,63 @@
+import type { ModelListItem } from '../types';
+import { GalleryCard } from './GalleryCard';
+import { Pagination } from './Pagination';
+
+export const GALLERY_PAGE_SIZE = 21;
+
+/**
+ * 图鉴卡牌视图（T-1.7）。图片优先的卡牌墙 + 收集进度 + 分页（21/页，分页器在上）。
+ * 分页受控（page/onPage 由上层管理，落在 URL，便于详情返回后回到原页）。
+ */
+export function GalleryView({
+  models,
+  collectedIds,
+  onToggle,
+  page,
+  onPage,
+}: {
+  models: ModelListItem[];
+  collectedIds: Set<number>;
+  onToggle: (id: number) => void;
+  page: number;
+  onPage: (p: number) => void;
+}) {
+  const collectedHere = models.filter((m) => collectedIds.has(m.id)).length;
+  const pct = models.length ? Math.round((collectedHere / models.length) * 100) : 0;
+  const pageCount = Math.max(1, Math.ceil(models.length / GALLERY_PAGE_SIZE));
+  const safePage = Math.min(Math.max(1, page), pageCount);
+  const start = (safePage - 1) * GALLERY_PAGE_SIZE;
+  const pageItems = models.slice(start, start + GALLERY_PAGE_SIZE);
+
+  return (
+    <div data-testid="gallery">
+      <div className="collect-progress">
+        <span>
+          已收集 <strong>{collectedHere}</strong> / {models.length}（当前筛选）
+        </span>
+        <div className="progress-track">
+          <div className="progress-fill" style={{ width: `${pct}%` }} />
+        </div>
+      </div>
+
+      {/* 分页器在上 */}
+      <Pagination
+        total={models.length}
+        page={safePage}
+        pageSize={GALLERY_PAGE_SIZE}
+        onPage={onPage}
+      />
+
+      <div className="gallery">
+        {pageItems.map((m, i) => (
+          <GalleryCard
+            key={m.id}
+            m={m}
+            index={start + i + 1}
+            collected={collectedIds.has(m.id)}
+            onToggle={onToggle}
+          />
+        ))}
+      </div>
+    </div>
+  );
+}
diff --git a/apps/web/src/components/Lightbox.tsx b/apps/web/src/components/Lightbox.tsx
new file mode 100644
index 0000000..2f9f9a9
--- /dev/null
+++ b/apps/web/src/components/Lightbox.tsx
@@ -0,0 +1,126 @@
+import { useCallback, useEffect, useState } from 'react';
+import type { GalleryImage } from '../types';
+import { IconClose, IconPrev, IconNext, IconZoomIn, IconZoomOut, IconReset } from './icons';
+
+/** 图片灯箱：缩放（按钮/滚轮）、平移（拖拽）、上一张/下一张、Esc 关闭，含署名。*/
+export function Lightbox({
+  images,
+  index,
+  onClose,
+  onIndexChange,
+}: {
+  images: GalleryImage[];
+  index: number;
+  onClose: () => void;
+  onIndexChange: (i: number) => void;
+}) {
+  const [scale, setScale] = useState(1);
+  const [offset, setOffset] = useState({ x: 0, y: 0 });
+  const [drag, setDrag] = useState<{ x: number; y: number } | null>(null);
+
+  const reset = useCallback(() => {
+    setScale(1);
+    setOffset({ x: 0, y: 0 });
+  }, []);
+
+  const prev = useCallback(() => {
+    reset();
+    onIndexChange((index - 1 + images.length) % images.length);
+  }, [index, images.length, onIndexChange, reset]);
+
+  const next = useCallback(() => {
+    reset();
+    onIndexChange((index + 1) % images.length);
+  }, [index, images.length, onIndexChange, reset]);
+
+  useEffect(() => {
+    const onKey = (e: KeyboardEvent) => {
+      if (e.key === 'Escape') onClose();
+      else if (e.key === 'ArrowLeft') prev();
+      else if (e.key === 'ArrowRight') next();
+    };
+    window.addEventListener('keydown', onKey);
+    return () => window.removeEventListener('keydown', onKey);
+  }, [onClose, prev, next]);
+
+  const img = images[index];
+  if (!img) return null;
+
+  const zoom = (delta: number) =>
+    setScale((s) => Math.min(5, Math.max(1, +(s + delta).toFixed(2))));
+
+  return (
+    <div className="lb" onClick={onClose} data-testid="lightbox">
+      <div className="lb-stage" onClick={(e) => e.stopPropagation()}>
+        <img
+          src={img.src}
+          alt={img.caption}
+          className="lb-img"
+          style={{
+            transform: `translate(${offset.x}px, ${offset.y}px) scale(${scale})`,
+            cursor: scale > 1 ? (drag ? 'grabbing' : 'grab') : 'auto',
+          }}
+          draggable={false}
+          onWheel={(e) => zoom(e.deltaY < 0 ? 0.2 : -0.2)}
+          onMouseDown={(e) =>
+            scale > 1 && setDrag({ x: e.clientX - offset.x, y: e.clientY - offset.y })
+          }
+          onMouseMove={(e) =>
+            drag && setOffset({ x: e.clientX - drag.x, y: e.clientY - drag.y })
+          }
+          onMouseUp={() => setDrag(null)}
+          onMouseLeave={() => setDrag(null)}
+        />
+
+        {images.length > 1 && (
+          <>
+            <button className="lb-nav lb-prev" onClick={prev} aria-label="上一张">
+              <IconPrev size={32} />
+            </button>
+            <button className="lb-nav lb-next" onClick={next} aria-label="下一张">
+              <IconNext size={32} />
+            </button>
+          </>
+        )}
+
+        <div className="lb-toolbar">
+          <button onClick={() => zoom(-0.3)} aria-label="缩小">
+            <IconZoomOut size={18} />
+          </button>
+          <span>{Math.round(scale * 100)}%</span>
+          <button onClick={() => zoom(0.3)} aria-label="放大">
+            <IconZoomIn size={18} />
+          </button>
+          <button onClick={reset} aria-label="重置">
+            <IconReset size={16} />
+          </button>
+        </div>
+
+        <div className="lb-caption">
+          <span>
+            {img.caption}
+            {images.length > 1 ? ` · ${index + 1}/${images.length}` : ''}
+          </span>
+          {img.attribution && (
+            <span className="lb-attr">
+              © {img.attribution.author || '未署名'}
+              {img.attribution.license ? ` · ${img.attribution.license}` : ''}
+              {img.attribution.url ? (
+                <>
+                  {' · '}
+                  <a href={img.attribution.url} target="_blank" rel="noreferrer noopener">
+                    来源
+                  </a>
+                </>
+              ) : null}
+            </span>
+          )}
+        </div>
+
+        <button className="lb-close" onClick={onClose} aria-label="关闭">
+          <IconClose size={20} />
+        </button>
+      </div>
+    </div>
+  );
+}
diff --git a/apps/web/src/components/ModelCard.test.tsx b/apps/web/src/components/ModelCard.test.tsx
new file mode 100644
index 0000000..ed7a82e
--- /dev/null
+++ b/apps/web/src/components/ModelCard.test.tsx
@@ -0,0 +1,56 @@
+import { describe, expect, it } from 'vitest';
+import { render, screen } from '@testing-library/react';
+import { MemoryRouter } from 'react-router-dom';
+import { ModelCard } from './ModelCard';
+import type { ModelListItem } from '../types';
+
+const m: ModelListItem = {
+  id: 42,
+  model_code: 'HXD1型',
+  full_name: '',
+  series: '和谐',
+  manufacturer: '中车株洲',
+  country: '中国',
+  country_type: '国产',
+  first_year: 2006,
+  last_year: null,
+  status: '现役',
+  usage: '干线货运',
+  max_speed_value: 120,
+  max_speed_unit: 'km/h',
+  weight_value: 150,
+  weight_unit: 't',
+  axle_arrangement: 'Co-Co',
+  category: '电力机车',
+  subcat: '',
+};
+
+describe('ModelCard', () => {
+  const renderCard = (item: ModelListItem) =>
+    render(
+      <MemoryRouter
+        future={{ v7_startTransition: true, v7_relativeSplatPath: true }}
+      >
+        <ModelCard m={item} />
+      </MemoryRouter>,
+    );
+
+  it('展示型号/分类/参数', () => {
+    renderCard(m);
+    expect(screen.getByText('HXD1型')).toBeInTheDocument();
+    expect(screen.getByText('120km/h')).toBeInTheDocument();
+    expect(screen.getByText('现役')).toBeInTheDocument();
+    expect(screen.getByText(/中车株洲/)).toBeInTheDocument();
+  });
+
+  it('链接指向详情页', () => {
+    renderCard(m);
+    const link = screen.getByTestId('model-card');
+    expect(link).toHaveAttribute('href', '/models/42');
+  });
+
+  it('缺失数值优雅留白', () => {
+    renderCard({ ...m, max_speed_value: null });
+    expect(screen.getByText('—')).toBeInTheDocument();
+  });
+});
diff --git a/apps/web/src/components/ModelCard.tsx b/apps/web/src/components/ModelCard.tsx
new file mode 100644
index 0000000..19301d7
--- /dev/null
+++ b/apps/web/src/components/ModelCard.tsx
@@ -0,0 +1,38 @@
+import { Link } from 'react-router-dom';
+import type { ModelListItem } from '../types';
+import { fmtEra, fmtValueUnit, statusClass } from '../lib/format';
+
+export function ModelCard({ m }: { m: ModelListItem }) {
+  return (
+    <Link to={`/models/${m.id}`} className="card" data-testid="model-card">
+      <div className="card-head">
+        <span className="card-code">{m.model_code}</span>
+        <span className={statusClass(m.status)}>{m.status}</span>
+      </div>
+      <div className="card-cat">
+        {m.category}
+        {m.subcat ? ` · ${m.subcat}` : ''}
+        {m.series ? ` · ${m.series}` : ''}
+      </div>
+      <dl className="card-spec">
+        <div>
+          <dt>年代</dt>
+          <dd>{fmtEra(m.first_year, m.last_year)}</dd>
+        </div>
+        <div>
+          <dt>最高时速</dt>
+          <dd>{fmtValueUnit(m.max_speed_value, m.max_speed_unit)}</dd>
+        </div>
+        <div>
+          <dt>整备重量</dt>
+          <dd>{fmtValueUnit(m.weight_value, m.weight_unit)}</dd>
+        </div>
+        <div>
+          <dt>国别</dt>
+          <dd>{m.country_type || '—'}</dd>
+        </div>
+      </dl>
+      <div className="card-maker">{m.manufacturer || '生产商未知'}</div>
+    </Link>
+  );
+}
diff --git a/apps/web/src/components/NavMenu.tsx b/apps/web/src/components/NavMenu.tsx
new file mode 100644
index 0000000..c9a9eb1
--- /dev/null
+++ b/apps/web/src/components/NavMenu.tsx
@@ -0,0 +1,101 @@
+import { useEffect, useRef, useState } from 'react';
+import { NavLink, useLocation } from 'react-router-dom';
+import { IconCaret } from './icons';
+
+interface NavItem {
+  to: string;
+  label: string;
+}
+interface NavGroup {
+  label: string;
+  items: NavItem[];
+}
+
+const GROUPS: NavGroup[] = [
+  {
+    label: '图鉴',
+    items: [
+      { to: '/explore', label: '探索图鉴' },
+      { to: '/stats', label: '数据大屏' },
+      { to: '/family', label: '技术族谱' },
+      { to: '/compare', label: '参数对比' },
+      { to: '/identify', label: 'AI 识车' },
+    ],
+  },
+  {
+    label: '社区',
+    items: [
+      { to: '/community', label: '论坛' },
+      { to: '/map', label: '打卡地图' },
+      { to: '/leaderboard', label: '贡献榜' },
+    ],
+  },
+];
+
+export function NavMenu({ canReview, isAdmin }: { canReview: boolean; isAdmin: boolean }) {
+  const [open, setOpen] = useState<string | null>(null);
+  const ref = useRef<HTMLElement>(null);
+  const loc = useLocation();
+
+  // 路由变化时关闭
+  useEffect(() => setOpen(null), [loc.pathname]);
+
+  // 点击外部 / Esc 关闭
+  useEffect(() => {
+    const onDoc = (e: MouseEvent) => {
+      if (ref.current && !ref.current.contains(e.target as Node)) setOpen(null);
+    };
+    const onKey = (e: KeyboardEvent) => e.key === 'Escape' && setOpen(null);
+    document.addEventListener('mousedown', onDoc);
+    document.addEventListener('keydown', onKey);
+    return () => {
+      document.removeEventListener('mousedown', onDoc);
+      document.removeEventListener('keydown', onKey);
+    };
+  }, []);
+
+  return (
+    <nav className="mainnav" ref={ref}>
+      <NavLink to="/" end className="nav-top">
+        故事
+      </NavLink>
+
+      {GROUPS.map((g) => {
+        const active = g.items.some((it) => loc.pathname.startsWith(it.to));
+        return (
+          <div className="nav-group" key={g.label}>
+            <button
+              className={`nav-top nav-trigger${active ? ' active' : ''}`}
+              aria-haspopup="true"
+              aria-expanded={open === g.label}
+              onClick={() => setOpen((o) => (o === g.label ? null : g.label))}
+            >
+              {g.label}
+              <span className="caret"><IconCaret size={16} /></span>
+            </button>
+            {open === g.label && (
+              <div className="nav-dropdown" role="menu">
+                {g.items.map((it) => (
+                  <NavLink key={it.to} to={it.to} className="nav-item" role="menuitem">
+                    {it.label}
+                  </NavLink>
+                ))}
+              </div>
+            )}
+          </div>
+        );
+      })}
+
+      {canReview && (
+        <NavLink to="/review" className="nav-top">
+          审核
+        </NavLink>
+      )}
+      {isAdmin && (
+        <NavLink to="/admin/photos" className="nav-top">
+          候选审图
+        </NavLink>
+      )}
+    </nav>
+  );
+}
diff --git a/apps/web/src/components/Pagination.tsx b/apps/web/src/components/Pagination.tsx
new file mode 100644
index 0000000..d496702
--- /dev/null
+++ b/apps/web/src/components/Pagination.tsx
@@ -0,0 +1,26 @@
+export function Pagination({
+  total,
+  page,
+  pageSize,
+  onPage,
+}: {
+  total: number;
+  page: number;
+  pageSize: number;
+  onPage: (p: number) => void;
+}) {
+  const pages = Math.max(1, Math.ceil(total / pageSize));
+  return (
+    <div className="pagination">
+      <button disabled={page <= 1} onClick={() => onPage(page - 1)}>
+        上一页
+      </button>
+      <span>
+        第 {page} / {pages} 页 · 共 {total} 条
+      </span>
+      <button disabled={page >= pages} onClick={() => onPage(page + 1)}>
+        下一页
+      </button>
+    </div>
+  );
+}
diff --git a/apps/web/src/components/RadarChart.tsx b/apps/web/src/components/RadarChart.tsx
new file mode 100644
index 0000000..add1a75
--- /dev/null
+++ b/apps/web/src/components/RadarChart.tsx
@@ -0,0 +1,91 @@
+import type { CompareAxis, NormalizedSeries } from '../lib/compare';
+
+const COLORS = ['#4ea1ff', '#4ade80', '#fbbf24', '#c084fc'];
+
+export function RadarChart({
+  axes,
+  series,
+}: {
+  axes: CompareAxis[];
+  series: NormalizedSeries[];
+}) {
+  const size = 360;
+  const c = size / 2;
+  const r = size / 2 - 60;
+  const n = axes.length;
+  const angle = (i: number) => (Math.PI * 2 * i) / n - Math.PI / 2;
+  const pt = (i: number, radius: number) => ({
+    x: c + radius * Math.cos(angle(i)),
+    y: c + radius * Math.sin(angle(i)),
+  });
+
+  const rings = [0.25, 0.5, 0.75, 1];
+
+  return (
+    <svg
+      viewBox={`0 0 ${size} ${size}`}
+      className="radar"
+      role="img"
+      aria-label="参数对比雷达图"
+      data-testid="radar"
+    >
+      {/* 网格环 */}
+      {rings.map((ring) => (
+        <polygon
+          key={ring}
+          points={axes
+            .map((_, i) => {
+              const p = pt(i, r * ring);
+              return `${p.x},${p.y}`;
+            })
+            .join(' ')}
+          fill="none"
+          stroke="#2a2f3a"
+          strokeWidth="1"
+        />
+      ))}
+      {/* 轴线 + 标签 */}
+      {axes.map((a, i) => {
+        const edge = pt(i, r);
+        const label = pt(i, r + 26);
+        return (
+          <g key={a.key}>
+            <line x1={c} y1={c} x2={edge.x} y2={edge.y} stroke="#2a2f3a" />
+            <text
+              x={label.x}
+              y={label.y}
+              fontSize="11"
+              fill="#8b93a1"
+              textAnchor="middle"
+              dominantBaseline="middle"
+            >
+              {a.label}
+            </text>
+          </g>
+        );
+      })}
+      {/* 数据多边形 */}
+      {series.map((s, si) => {
+        const color = COLORS[si % COLORS.length];
+        const pts = s.points
+          .map((p, i) => {
+            const pp = pt(i, r * p.norm);
+            return `${pp.x},${pp.y}`;
+          })
+          .join(' ');
+        return (
+          <polygon
+            key={s.id}
+            points={pts}
+            fill={color}
+            fillOpacity="0.15"
+            stroke={color}
+            strokeWidth="2"
+          />
+        );
+      })}
+    </svg>
+  );
+}
+
+export { COLORS as RADAR_COLORS };
diff --git a/apps/web/src/components/RevisionList.tsx b/apps/web/src/components/RevisionList.tsx
new file mode 100644
index 0000000..2a1d3d0
--- /dev/null
+++ b/apps/web/src/components/RevisionList.tsx
@@ -0,0 +1,67 @@
+import type { Revision } from '../types';
+import { labelOf } from '../lib/fieldLabels';
+import { Button } from './ui';
+
+const STATUS_LABEL: Record<string, string> = {
+  pending: '待审核',
+  approved: '已通过',
+  rejected: '已驳回',
+};
+const STATUS_CLS: Record<string, string> = {
+  pending: 'tag tag-amber',
+  approved: 'tag tag-green',
+  rejected: 'tag tag-gray',
+};
+
+export function RevisionList({
+  revisions,
+  onApprove,
+  onReject,
+}: {
+  revisions: Revision[];
+  onApprove?: (id: number) => void;
+  onReject?: (id: number) => void;
+}) {
+  if (revisions.length === 0)
+    return <p className="muted">暂无修订记录。</p>;
+  return (
+    <ul className="rev-list">
+      {revisions.map((r) => (
+        <li key={r.id} className="rev-item">
+          <div className="rev-head">
+            <span className={STATUS_CLS[r.status]}>{STATUS_LABEL[r.status]}</span>
+            <span className="rev-author">{r.author_name}</span>
+            <span className="muted rev-date">
+              {new Date(r.created_at + 'Z').toLocaleString('zh-CN')}
+            </span>
+          </div>
+          {r.note && <p className="rev-note">{r.note}</p>}
+          <ul className="rev-changes">
+            {r.changes.map((c) => (
+              <li key={c.field}>
+                <b>{labelOf(c.field)}</b>：
+                <span className="old">{c.old_value || '—'}</span>
+                {' → '}
+                <span className="new">{c.new_value || '—'}</span>
+              </li>
+            ))}
+          </ul>
+          {r.status === 'pending' && (onApprove || onReject) && (
+            <div className="rev-actions">
+              {onApprove && (
+                <Button variant="primary" size="sm" onClick={() => onApprove(r.id)}>
+                  通过
+                </Button>
+              )}
+              {onReject && (
+                <Button variant="danger" size="sm" onClick={() => onReject(r.id)}>
+                  驳回
+                </Button>
+              )}
+            </div>
+          )}
+        </li>
+      ))}
+    </ul>
+  );
+}
diff --git a/apps/web/src/components/SearchBox.tsx b/apps/web/src/components/SearchBox.tsx
new file mode 100644
index 0000000..b46ca13
--- /dev/null
+++ b/apps/web/src/components/SearchBox.tsx
@@ -0,0 +1,59 @@
+import { useEffect, useRef, useState } from 'react';
+import { useNavigate } from 'react-router-dom';
+import { api } from '../api/client';
+import type { SearchResult } from '../types';
+
+export function SearchBox() {
+  const [q, setQ] = useState('');
+  const [results, setResults] = useState<SearchResult[]>([]);
+  const [open, setOpen] = useState(false);
+  const navigate = useNavigate();
+  const timer = useRef<ReturnType<typeof setTimeout>>();
+
+  useEffect(() => {
+    clearTimeout(timer.current);
+    if (!q.trim()) {
+      setResults([]);
+      return;
+    }
+    timer.current = setTimeout(async () => {
+      try {
+        const res = await api.search(q.trim(), 8);
+        setResults(res.results);
+        setOpen(true);
+      } catch {
+        setResults([]);
+      }
+    }, 250);
+    return () => clearTimeout(timer.current);
+  }, [q]);
+
+  return (
+    <div className="searchbox">
+      <input
+        type="search"
+        placeholder="搜索型号 / 生产商 / 系列…"
+        value={q}
+        onChange={(e) => setQ(e.target.value)}
+        onFocus={() => results.length && setOpen(true)}
+      />
+      {open && results.length > 0 && (
+        <ul className="search-dropdown">
+          {results.map((r) => (
+            <li
+              key={r.id}
+              onClick={() => {
+                setOpen(false);
+                setQ('');
+                navigate(`/models/${r.id}`);
+              }}
+            >
+              <strong>{r.model_code}</strong>
+              <span className="muted"> · {r.category}</span>
+            </li>
+          ))}
+        </ul>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/components/Thumb.tsx b/apps/web/src/components/Thumb.tsx
new file mode 100644
index 0000000..25eb6dc
--- /dev/null
+++ b/apps/web/src/components/Thumb.tsx
@@ -0,0 +1,31 @@
+import { gradientCss } from '../lib/thumb';
+import { CategoryIcon } from './icons';
+
+/**
+ * 缩略图：分类配色渐变 + 专业图标。替代原 emoji/data-URI 方案。
+ * role=img + aria-label 保证可访问性与可测试性。
+ */
+export function Thumb({
+  category,
+  code,
+  size = 'md',
+}: {
+  category: string;
+  code: string;
+  size?: 'sm' | 'md';
+}) {
+  return (
+    <div
+      className={`thumb thumb-${size}`}
+      style={{ background: gradientCss(category) }}
+      role="img"
+      aria-label={`${code} 缩略图`}
+    >
+      <CategoryIcon
+        category={category}
+        size={size === 'sm' ? 30 : 46}
+        className="thumb-glyph"
+      />
+    </div>
+  );
+}
diff --git a/apps/web/src/components/TimelineView.tsx b/apps/web/src/components/TimelineView.tsx
new file mode 100644
index 0000000..4d058c7
--- /dev/null
+++ b/apps/web/src/components/TimelineView.tsx
@@ -0,0 +1,58 @@
+import { useNavigate } from 'react-router-dom';
+import type { ModelListItem } from '../types';
+import { axisTicks, buildTimeline } from '../lib/timeline';
+
+export function TimelineView({ models }: { models: ModelListItem[] }) {
+  const navigate = useNavigate();
+  const layout = buildTimeline(models);
+
+  if (layout.lanes.length === 0) {
+    return <p className="muted">当前结果无可定位年代的数据。</p>;
+  }
+  const ticks = axisTicks(layout.minYear, layout.maxYear);
+  const span = Math.max(1, layout.maxYear - layout.minYear);
+
+  return (
+    <div className="timeline" data-testid="timeline">
+      <div className="timeline-axis">
+        {ticks.map((y) => (
+          <span
+            key={y}
+            className="tick"
+            style={{ left: `${((y - layout.minYear) / span) * 100}%` }}
+          >
+            {y}
+          </span>
+        ))}
+      </div>
+      {layout.lanes.map((lane) => (
+        <div className="lane" key={lane.category}>
+          <div className="lane-label">{lane.category}</div>
+          <div
+            className="lane-track"
+            style={{ height: `${Math.max(34, lane.rows * 16 + 10)}px` }}
+          >
+            {lane.nodes.map((n) => (
+              <button
+                key={n.m.id}
+                className="node"
+                style={{
+                  left: `${n.xPct}%`,
+                  top: `${10 + n.row * 16}px`,
+                }}
+                title={`${n.m.model_code}（${n.year}）`}
+                onClick={() => navigate(`/models/${n.m.id}`)}
+              >
+                <span className="node-dot" />
+                <span className="node-label">{n.m.model_code}</span>
+              </button>
+            ))}
+          </div>
+        </div>
+      ))}
+      {layout.undated.length > 0 && (
+        <p className="muted">另有 {layout.undated.length} 个车型缺年代信息，未在轴上显示。</p>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/components/icons.tsx b/apps/web/src/components/icons.tsx
new file mode 100644
index 0000000..cb4a8a4
--- /dev/null
+++ b/apps/web/src/components/icons.tsx
@@ -0,0 +1,96 @@
+import type { IconType } from 'react-icons';
+import { FaTrain } from 'react-icons/fa6';
+import { GiSteamLocomotive, GiCoalWagon } from 'react-icons/gi';
+import {
+  MdTrain,
+  MdDirectionsRailway,
+  MdEventSeat,
+  MdTroubleshoot,
+  MdTour,
+  MdLock,
+  MdStar,
+  MdStarOutline,
+  MdGridView,
+  MdTimeline,
+  MdFilterList,
+  MdEdit,
+  MdBalance,
+  MdCheck,
+  MdClose,
+  MdDelete,
+  MdHandyman,
+  MdMyLocation,
+  MdArrowBack,
+  MdArrowForward,
+  MdWarningAmber,
+  MdArrowDropDown,
+  MdForum,
+  MdImage,
+  MdEmojiEvents,
+  MdPlace,
+  MdChevronLeft,
+  MdChevronRight,
+  MdZoomIn,
+  MdZoomOut,
+  MdRefresh,
+} from 'react-icons/md';
+
+/** 分类 → 专业图标（react-icons），统一替代 emoji。*/
+const CATEGORY_ICON: Record<string, IconType> = {
+  蒸汽机车: GiSteamLocomotive,
+  内燃机车: FaTrain,
+  电力机车: MdDirectionsRailway,
+  动车组: MdTrain,
+  客车: MdEventSeat,
+  货车: GiCoalWagon,
+  检测车: MdTroubleshoot,
+  旅游列车: MdTour,
+};
+
+export function categoryIconType(category: string): IconType {
+  return CATEGORY_ICON[category] ?? FaTrain;
+}
+
+export function CategoryIcon({
+  category,
+  size = 20,
+  className,
+  title,
+}: {
+  category: string;
+  size?: number;
+  className?: string;
+  title?: string;
+}) {
+  const Icon = categoryIconType(category);
+  return <Icon size={size} className={className} title={title ?? category} />;
+}
+
+// UI 图标（统一出口，便于替换/复用）
+export const IconBrand = MdTrain;
+export const IconLock = MdLock;
+export const IconStarFilled = MdStar;
+export const IconStarOutline = MdStarOutline;
+export const IconGallery = MdGridView;
+export const IconTimeline = MdTimeline;
+export const IconFilter = MdFilterList;
+export const IconEdit = MdEdit;
+export const IconCompare = MdBalance;
+export const IconConfirm = MdCheck;
+export const IconClose = MdClose;
+export const IconDelete = MdDelete;
+export const IconMaintain = MdHandyman;
+export const IconLocation = MdMyLocation;
+export const IconBack = MdArrowBack;
+export const IconForward = MdArrowForward;
+export const IconWarning = MdWarningAmber;
+export const IconCaret = MdArrowDropDown;
+export const IconForum = MdForum;
+export const IconImage = MdImage;
+export const IconTrophy = MdEmojiEvents;
+export const IconStation = MdPlace;
+export const IconPrev = MdChevronLeft;
+export const IconNext = MdChevronRight;
+export const IconZoomIn = MdZoomIn;
+export const IconZoomOut = MdZoomOut;
+export const IconReset = MdRefresh;
diff --git a/apps/web/src/components/ui.tsx b/apps/web/src/components/ui.tsx
new file mode 100644
index 0000000..a2d33c9
--- /dev/null
+++ b/apps/web/src/components/ui.tsx
@@ -0,0 +1,63 @@
+import type { ButtonHTMLAttributes, ReactNode } from 'react';
+import { IconStation } from './icons';
+
+/** 统一按钮：variant = primary / secondary / ghost / danger，size = sm/md。*/
+export function Button({
+  variant = 'secondary',
+  size = 'md',
+  className = '',
+  ...rest
+}: ButtonHTMLAttributes<HTMLButtonElement> & {
+  variant?: 'primary' | 'secondary' | 'ghost' | 'danger';
+  size?: 'sm' | 'md';
+}) {
+  return <button className={`btn btn-${variant} btn-${size} ${className}`} {...rest} />;
+}
+
+/** 统一页头：标题 + 副标题 + 右侧操作区。*/
+export function PageHeader({
+  title,
+  subtitle,
+  actions,
+}: {
+  title: ReactNode;
+  subtitle?: ReactNode;
+  actions?: ReactNode;
+}) {
+  return (
+    <div className="page-header">
+      <div>
+        <h1>{title}</h1>
+        {subtitle && <p className="page-sub">{subtitle}</p>}
+      </div>
+      {actions && <div className="page-actions">{actions}</div>}
+    </div>
+  );
+}
+
+/** 统一空状态。*/
+export function EmptyState({
+  icon,
+  text,
+}: {
+  icon?: ReactNode;
+  text: ReactNode;
+}) {
+  return (
+    <div className="empty-state">
+      <span className="empty-icon">{icon ?? <IconStation size={30} />}</span>
+      <p>{text}</p>
+    </div>
+  );
+}
+
+/** 统一标签。*/
+export function Tag({
+  children,
+  tone = 'default',
+}: {
+  children: ReactNode;
+  tone?: 'default' | 'green' | 'amber' | 'blue' | 'purple';
+}) {
+  return <span className={`tag tag-${tone}`}>{children}</span>;
+}
diff --git a/apps/web/src/lib/auth.tsx b/apps/web/src/lib/auth.tsx
new file mode 100644
index 0000000..4b99822
--- /dev/null
+++ b/apps/web/src/lib/auth.tsx
@@ -0,0 +1,77 @@
+import {
+  createContext,
+  useCallback,
+  useContext,
+  useEffect,
+  useState,
+  type ReactNode,
+} from 'react';
+import { api, clearToken, getToken, setToken } from '../api/client';
+import type { PublicUser } from '../types';
+
+interface AuthState {
+  user: PublicUser | null;
+  loading: boolean;
+  login: (email: string, password: string) => Promise<void>;
+  register: (email: string, password: string, displayName: string) => Promise<void>;
+  logout: () => void;
+}
+
+const AuthCtx = createContext<AuthState | null>(null);
+
+export function AuthProvider({ children }: { children: ReactNode }) {
+  const [user, setUser] = useState<PublicUser | null>(null);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    if (!getToken()) {
+      setLoading(false);
+      return;
+    }
+    api.auth
+      .me()
+      .then(setUser)
+      .catch(() => clearToken())
+      .finally(() => setLoading(false));
+  }, []);
+
+  const login = useCallback(async (email: string, password: string) => {
+    const res = await api.auth.login(email, password);
+    setToken(res.token);
+    setUser(res.user);
+  }, []);
+
+  const register = useCallback(
+    async (email: string, password: string, displayName: string) => {
+      const res = await api.auth.register(email, password, displayName);
+      setToken(res.token);
+      setUser(res.user);
+    },
+    [],
+  );
+
+  const logout = useCallback(() => {
+    clearToken();
+    setUser(null);
+  }, []);
+
+  return (
+    <AuthCtx.Provider value={{ user, loading, login, register, logout }}>
+      {children}
+    </AuthCtx.Provider>
+  );
+}
+
+export function useAuth(): AuthState {
+  const ctx = useContext(AuthCtx);
+  if (!ctx) throw new Error('useAuth 必须在 AuthProvider 内使用');
+  return ctx;
+}
+
+export const ROLE_LABEL: Record<string, string> = {
+  user: '注册用户',
+  trusted: '信任用户',
+  moderator: '版主',
+  admin: '管理员',
+  guest: '游客',
+};
diff --git a/apps/web/src/lib/compare.test.ts b/apps/web/src/lib/compare.test.ts
new file mode 100644
index 0000000..eb586e7
--- /dev/null
+++ b/apps/web/src/lib/compare.test.ts
@@ -0,0 +1,33 @@
+import { describe, expect, it } from 'vitest';
+import { COMPARE_AXES, normalizeForRadar } from './compare';
+import type { ModelDetail } from '../types';
+
+const mk = (id: number, over: Record<string, unknown>): ModelDetail =>
+  ({ id, model_code: `M${id}`, ...over }) as unknown as ModelDetail;
+
+describe('normalizeForRadar', () => {
+  it('按每轴最大值归一', () => {
+    const res = normalizeForRadar([
+      mk(1, { max_speed_value: 200, weight_value: 100 }),
+      mk(2, { max_speed_value: 400, weight_value: 50 }),
+    ]);
+    // 第一轴 max_speed：200/400=0.5，400/400=1
+    expect(res[0].points[0].norm).toBeCloseTo(0.5);
+    expect(res[1].points[0].norm).toBe(1);
+    // 第二轴 weight：100/100=1，50/100=0.5
+    expect(res[0].points[1].norm).toBe(1);
+    expect(res[1].points[1].norm).toBeCloseTo(0.5);
+  });
+
+  it('缺失值 norm=0 且 raw=null', () => {
+    const res = normalizeForRadar([mk(1, { max_speed_value: 300 })]);
+    const weightIdx = COMPARE_AXES.findIndex((a) => a.key === 'weight_value');
+    expect(res[0].points[weightIdx].raw).toBeNull();
+    expect(res[0].points[weightIdx].norm).toBe(0);
+  });
+
+  it('某轴全缺失不除零', () => {
+    const res = normalizeForRadar([mk(1, {}), mk(2, {})]);
+    expect(res[0].points.every((p) => p.norm === 0)).toBe(true);
+  });
+});
diff --git a/apps/web/src/lib/compare.ts b/apps/web/src/lib/compare.ts
new file mode 100644
index 0000000..d2e0b66
--- /dev/null
+++ b/apps/web/src/lib/compare.ts
@@ -0,0 +1,55 @@
+import type { ModelDetail } from '../types';
+
+export interface CompareAxis {
+  key: string;
+  label: string;
+  unit: string;
+}
+
+/** 参与雷达对比的数值轴（取 model 的 *_value 字段）。*/
+export const COMPARE_AXES: CompareAxis[] = [
+  { key: 'max_speed_value', label: '最高时速', unit: 'km/h' },
+  { key: 'weight_value', label: '整备重量', unit: 't' },
+  { key: 'axle_load_value', label: '轴重', unit: 't' },
+  { key: 'tractive_start_value', label: '起动牵引力', unit: 'kN' },
+  { key: 'tractive_cont_value', label: '持续牵引力', unit: 'kN' },
+];
+
+export interface NormalizedPoint {
+  raw: number | null;
+  norm: number; // 0..1（按所选车型每轴最大值归一；缺失=0）
+}
+
+export interface NormalizedSeries {
+  id: number;
+  label: string;
+  points: NormalizedPoint[];
+}
+
+/**
+ * 把所选车型在各轴上归一化（每轴除以该轴最大值）。纯函数，便于单测。
+ */
+export function normalizeForRadar(
+  models: ModelDetail[],
+  axes: CompareAxis[] = COMPARE_AXES,
+): NormalizedSeries[] {
+  const max = axes.map((a) =>
+    Math.max(
+      0,
+      ...models.map((m) => {
+        const v = (m as any)[a.key];
+        return typeof v === 'number' && Number.isFinite(v) ? v : 0;
+      }),
+    ),
+  );
+  return models.map((m) => ({
+    id: m.id,
+    label: m.model_code,
+    points: axes.map((a, i) => {
+      const v = (m as any)[a.key];
+      const raw = typeof v === 'number' && Number.isFinite(v) ? v : null;
+      const norm = raw != null && max[i] > 0 ? raw / max[i] : 0;
+      return { raw, norm };
+    }),
+  }));
+}
diff --git a/apps/web/src/lib/eras.test.ts b/apps/web/src/lib/eras.test.ts
new file mode 100644
index 0000000..018455f
--- /dev/null
+++ b/apps/web/src/lib/eras.test.ts
@@ -0,0 +1,73 @@
+import { describe, expect, it } from 'vitest';
+import { computeSpeedEvolution, ERAS, pickRepresentatives } from './eras';
+import type { ModelListItem } from '../types';
+
+const mk = (over: Partial<ModelListItem>): ModelListItem =>
+  ({
+    id: Math.random(),
+    model_code: 'X',
+    full_name: '',
+    series: '',
+    manufacturer: '',
+    country: '中国',
+    country_type: '国产',
+    first_year: null,
+    last_year: null,
+    status: '未知',
+    usage: '',
+    max_speed_value: null,
+    max_speed_unit: '',
+    weight_value: null,
+    weight_unit: '',
+    axle_arrangement: '',
+    category: '电力机车',
+    subcat: '',
+    ...over,
+  }) as ModelListItem;
+
+describe('ERAS', () => {
+  it('四个时代覆盖主线分类', () => {
+    expect(ERAS.map((e) => e.key)).toEqual(['steam', 'diesel', 'electric', 'hsr']);
+  });
+});
+
+describe('pickRepresentatives', () => {
+  const data = [
+    mk({ id: 1, category: '动车组', model_code: 'A', max_speed_value: 350 }),
+    mk({ id: 2, category: '动车组', model_code: 'B', max_speed_value: 400 }),
+    mk({ id: 3, category: '电力机车', model_code: 'C', max_speed_value: 120 }),
+  ];
+  const hsr = ERAS.find((e) => e.key === 'hsr')!;
+
+  it('只取对应分类并按时速降序', () => {
+    const reps = pickRepresentatives(data, hsr, 4);
+    expect(reps.map((m) => m.model_code)).toEqual(['B', 'A']);
+  });
+
+  it('限制数量', () => {
+    expect(pickRepresentatives(data, hsr, 1)).toHaveLength(1);
+  });
+});
+
+describe('computeSpeedEvolution', () => {
+  it('按十年取最高时速并升序', () => {
+    const pts = computeSpeedEvolution([
+      mk({ first_year: 1958, max_speed_value: 100 }),
+      mk({ first_year: 1965, max_speed_value: 120 }),
+      mk({ first_year: 2017, max_speed_value: 350 }),
+    ]);
+    expect(pts).toEqual([
+      { decade: 1950, maxSpeed: 100 },
+      { decade: 1960, maxSpeed: 120 },
+      { decade: 2010, maxSpeed: 350 },
+    ]);
+  });
+
+  it('忽略缺年代/缺时速', () => {
+    const pts = computeSpeedEvolution([
+      mk({ first_year: null, max_speed_value: 999 }),
+      mk({ first_year: 2000, max_speed_value: null }),
+    ]);
+    expect(pts).toEqual([]);
+  });
+});
diff --git a/apps/web/src/lib/eras.ts b/apps/web/src/lib/eras.ts
new file mode 100644
index 0000000..7a6cdee
--- /dev/null
+++ b/apps/web/src/lib/eras.ts
@@ -0,0 +1,89 @@
+import type { ModelListItem } from '../types';
+
+/** 主线：中国机车技术演进的四个时代。*/
+export interface Era {
+  key: string;
+  title: string;
+  period: string;
+  categories: string[];
+  blurb: string;
+  accent: string;
+  icon: string;
+}
+
+export const ERAS: Era[] = [
+  {
+    key: 'steam',
+    title: '蒸汽时代',
+    period: '1881 – 1990s',
+    categories: ['蒸汽机车'],
+    blurb: '钢铁与煤火的咆哮。从进口机车到自主制造的前进型、建设型，蒸汽机车牵引了中国铁路的第一个世纪。',
+    accent: '#a8743f',
+    icon: '🚂',
+  },
+  {
+    key: 'diesel',
+    title: '内燃时代',
+    period: '1958 – 至今',
+    categories: ['内燃机车'],
+    blurb: '东风奔驰。内燃机车以更高效率取代蒸汽，从仿制到东风系列的自主谱系，撑起干线与调车的主力。',
+    accent: '#c8862f',
+    icon: '🛤️',
+  },
+  {
+    key: 'electric',
+    title: '电力时代',
+    period: '1958 – 至今',
+    categories: ['电力机车'],
+    blurb: '从引进法国 8K 到韶山系列国产化，再到和谐号 HXD，电气化让重载与提速成为可能。',
+    accent: '#3a86c8',
+    icon: '⚡',
+  },
+  {
+    key: 'hsr',
+    title: '高铁时代',
+    period: '2007 – 至今',
+    categories: ['动车组'],
+    blurb: '和谐号到复兴号，从引进消化到全面自主，CR400 与 CR450 把中国带入全球最快的运营速度。',
+    accent: '#2bb39a',
+    icon: '🚄',
+  },
+];
+
+/** 从数据集中挑选某时代的代表车型：优先有真实封面图者，其次按最高时速降序。*/
+export function pickRepresentatives(
+  models: ModelListItem[],
+  era: Era,
+  n = 4,
+): ModelListItem[] {
+  const hasCover = (m: ModelListItem) => (m.cover_url ? 1 : 0);
+  return models
+    .filter((m) => era.categories.includes(m.category))
+    .sort(
+      (a, b) =>
+        hasCover(b) - hasCover(a) ||
+        (b.max_speed_value ?? -1) - (a.max_speed_value ?? -1),
+    )
+    .slice(0, n);
+}
+
+export interface EvolutionPoint {
+  decade: number;
+  maxSpeed: number;
+}
+
+/**
+ * 计算"时速演进"：按十年取该年代出现车型的最高时速。
+ * 用于首页主线的科学感曲线。纯函数，便于单测。
+ */
+export function computeSpeedEvolution(models: ModelListItem[]): EvolutionPoint[] {
+  const byDecade = new Map<number, number>();
+  for (const m of models) {
+    if (typeof m.first_year !== 'number' || m.max_speed_value == null) continue;
+    const decade = Math.floor(m.first_year / 10) * 10;
+    byDecade.set(decade, Math.max(byDecade.get(decade) ?? 0, m.max_speed_value));
+  }
+  return [...byDecade.entries()]
+    .map(([decade, maxSpeed]) => ({ decade, maxSpeed }))
+    .sort((a, b) => a.decade - b.decade);
+}
diff --git a/apps/web/src/lib/fieldLabels.test.ts b/apps/web/src/lib/fieldLabels.test.ts
new file mode 100644
index 0000000..5418546
--- /dev/null
+++ b/apps/web/src/lib/fieldLabels.test.ts
@@ -0,0 +1,15 @@
+import { describe, expect, it } from 'vitest';
+import { labelOf } from './fieldLabels';
+
+describe('labelOf', () => {
+  it('英文规范键映射为中文', () => {
+    expect(labelOf('model_code')).toBe('型号');
+    expect(labelOf('max_speed')).toBe('最高时速');
+    expect(labelOf('country_type')).toBe('国别属性');
+    expect(labelOf('tractive_start')).toBe('起动牵引力');
+  });
+  it('未知键原样返回', () => {
+    expect(labelOf('型号')).toBe('型号');
+    expect(labelOf('unknown_key')).toBe('unknown_key');
+  });
+});
diff --git a/apps/web/src/lib/fieldLabels.ts b/apps/web/src/lib/fieldLabels.ts
new file mode 100644
index 0000000..d73c186
--- /dev/null
+++ b/apps/web/src/lib/fieldLabels.ts
@@ -0,0 +1,49 @@
+/** 规范字段（英文）→ 中文标签。用于详情页"原始数据"等处把英文键映射为中文。*/
+export const FIELD_LABELS: Record<string, string> = {
+  model_code: '型号',
+  series: '系列',
+  full_name: '车型全称',
+  aliases: '别名',
+  manufacturer: '生产商',
+  country: '制造国/地区',
+  country_type: '国别属性',
+  first_year: '首产年',
+  last_year: '停产年',
+  status: '状态',
+  usage: '用途',
+  production_count: '产量',
+  axle_arrangement: '轴列式',
+  drive: '传动/供电方式',
+  efficiency: '传动效率',
+  length: '车长',
+  width: '车宽',
+  height: '车高',
+  wheelbase: '轴距',
+  weight: '整备重量',
+  axle_load: '轴重',
+  load: '载重',
+  tractive_start: '起动牵引力',
+  tractive_cont: '持续牵引力',
+  power_kw: '功率',
+  max_speed: '最高时速',
+  capacity: '容积',
+  car_number: '车号',
+  function: '功能',
+  depot: '配属',
+  livery: '涂装',
+  side_mark: '侧标',
+  note: '备注',
+  location: '存放位置',
+  formation: '编组（动力车/拖车）',
+  predecessor: '前身',
+  lifespan: '使用寿命',
+  tour_name: '旅游列车名称',
+  tractor_models: '牵引机车常用型号',
+  bogie: '转向架型号',
+  coupler: '车钩类型',
+};
+
+/** 把字段键映射为中文；已是中文或未知则原样返回。*/
+export function labelOf(key: string): string {
+  return FIELD_LABELS[key] ?? key;
+}
diff --git a/apps/web/src/lib/format.test.ts b/apps/web/src/lib/format.test.ts
new file mode 100644
index 0000000..7618f18
--- /dev/null
+++ b/apps/web/src/lib/format.test.ts
@@ -0,0 +1,23 @@
+import { describe, expect, it } from 'vitest';
+import { fmtEra, fmtValueUnit, statusClass } from './format';
+
+describe('fmtValueUnit', () => {
+  it('数值+单位', () => expect(fmtValueUnit(120, 'km/h')).toBe('120km/h'));
+  it('缺失留白', () => {
+    expect(fmtValueUnit(null, 'km/h')).toBe('—');
+    expect(fmtValueUnit(undefined, 't')).toBe('—');
+  });
+});
+
+describe('fmtEra', () => {
+  it('区间', () => expect(fmtEra(2006, 2014)).toBe('2006–2014'));
+  it('同年', () => expect(fmtEra(2006, 2006)).toBe('2006'));
+  it('仅首年', () => expect(fmtEra(2006, null)).toBe('2006–'));
+  it('全缺', () => expect(fmtEra(null, null)).toBe('—'));
+});
+
+describe('statusClass', () => {
+  it('现役为绿', () => expect(statusClass('现役')).toContain('tag-green'));
+  it('封存为琥珀', () => expect(statusClass('半封存')).toContain('tag-amber'));
+  it('未知为默认', () => expect(statusClass('未知')).toBe('tag'));
+});
diff --git a/apps/web/src/lib/format.ts b/apps/web/src/lib/format.ts
new file mode 100644
index 0000000..2e22837
--- /dev/null
+++ b/apps/web/src/lib/format.ts
@@ -0,0 +1,43 @@
+import type { ModelListItem } from '../types';
+
+/** 数值+单位展示，缺失优雅留白。*/
+export function fmtValueUnit(
+  value: number | null | undefined,
+  unit: string | null | undefined,
+): string {
+  if (value === null || value === undefined) return '—';
+  return `${value}${unit ?? ''}`;
+}
+
+/** 年代区间展示：2006–2014 / 2006– / —。*/
+export function fmtEra(first?: number | null, last?: number | null): string {
+  if (!first && !last) return '—';
+  if (first && last) return first === last ? `${first}` : `${first}–${last}`;
+  if (first) return `${first}–`;
+  return `–${last}`;
+}
+
+/** 状态对应的色彩标签 class。*/
+export function statusClass(status: string): string {
+  switch (status) {
+    case '现役':
+      return 'tag tag-green';
+    case '封存':
+    case '半封存':
+      return 'tag tag-amber';
+    case '退役':
+    case '报废':
+      return 'tag tag-gray';
+    case '试验':
+      return 'tag tag-blue';
+    case '保存':
+      return 'tag tag-purple';
+    default:
+      return 'tag';
+  }
+}
+
+/** 用于时间轴：返回用于定位的年份（缺失返回 null）。*/
+export function timelineYear(m: ModelListItem): number | null {
+  return m.first_year ?? null;
+}
diff --git a/apps/web/src/lib/sampleImages.ts b/apps/web/src/lib/sampleImages.ts
new file mode 100644
index 0000000..a87c8b6
--- /dev/null
+++ b/apps/web/src/lib/sampleImages.ts
@@ -0,0 +1,201 @@
+import type { StoredImage } from './useImages';
+import { themeFor } from './thumb';
+
+/**
+ * 生成内置"示意图"（蓝图风格 SVG），让每个车型详情都有多张可缩放欣赏的图片，
+ * 便于测试多图 + 灯箱。明确标注"示意图 · 非真实照片"。
+ * Phase 2/3 众包真实照片上线后，可只展示用户上传图。
+ */
+export interface SampleModel {
+  model_code: string;
+  category: string;
+  first_year?: number | null;
+  last_year?: number | null;
+  manufacturer?: string;
+  country?: string;
+  max_speed_value?: number | null;
+  max_speed_unit?: string;
+}
+
+type LocoType =
+  | 'steam'
+  | 'electric'
+  | 'emu'
+  | 'diesel'
+  | 'freight'
+  | 'passenger'
+  | 'inspection'
+  | 'tourist'
+  | 'generic';
+
+function typeFor(category: string): LocoType {
+  return (
+    (
+      {
+        蒸汽机车: 'steam',
+        电力机车: 'electric',
+        动车组: 'emu',
+        内燃机车: 'diesel',
+        货车: 'freight',
+        客车: 'passenger',
+        检测车: 'inspection',
+        旅游列车: 'tourist',
+      } as Record<string, LocoType>
+    )[category] ?? 'generic'
+  );
+}
+
+const esc = (s: string) =>
+  String(s ?? '')
+    .replace(/&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;');
+
+const W = 1200;
+const H = 800;
+
+function frame(accent: string, viewLabel: string, m: SampleModel, inner: string): string {
+  const grid: string[] = [];
+  for (let gx = 0; gx <= W; gx += 40)
+    grid.push(`<line x1="${gx}" y1="0" x2="${gx}" y2="${H}"/>`);
+  for (let gy = 0; gy <= H; gy += 40)
+    grid.push(`<line x1="0" y1="${gy}" x2="${W}" y2="${gy}"/>`);
+  return (
+    `<svg xmlns="http://www.w3.org/2000/svg" width="${W}" height="${H}" viewBox="0 0 ${W} ${H}" font-family="sans-serif">` +
+    `<rect width="${W}" height="${H}" fill="#0c1622"/>` +
+    `<g stroke="${accent}" stroke-opacity="0.10" stroke-width="1">${grid.join('')}</g>` +
+    `<rect x="20" y="20" width="${W - 40}" height="${H - 40}" fill="none" stroke="${accent}" stroke-opacity="0.5" stroke-width="2"/>` +
+    // 标题块
+    `<text x="48" y="78" font-size="44" font-weight="700" fill="#ffffff">${esc(m.model_code)}</text>` +
+    `<text x="48" y="110" font-size="20" fill="${accent}">${esc(m.category)} · ${esc(viewLabel)}</text>` +
+    // 右上角铭牌信息
+    `<text x="${W - 48}" y="60" font-size="16" fill="#aebacb" text-anchor="end">中国机车图鉴 · 示意图（非真实照片）</text>` +
+    inner +
+    // 页脚细节（缩放可读）
+    `<text x="48" y="${H - 36}" font-size="13" fill="#7e8ba0">制造商 ${esc(m.manufacturer || '—')} ｜ 制造国 ${esc(m.country || '—')} ｜ 年代 ${m.first_year ?? '—'}${m.last_year ? '–' + m.last_year : ''}</text>` +
+    `<text x="48" y="${H - 16}" font-size="11" fill="#5d6878">① 车体  ② 转向架  ③ 走行部  ④ 牵引/受电  — 缩放查看标注细节</text>` +
+    `</svg>`
+  );
+}
+
+function dataUri(svg: string): string {
+  return `data:image/svg+xml;utf8,${encodeURIComponent(svg)}`;
+}
+
+function wheels(cx0: number, count: number, accent: string): string {
+  const out: string[] = [];
+  for (let i = 0; i < count; i++) {
+    const cx = cx0 + i * 120;
+    out.push(
+      `<circle cx="${cx}" cy="600" r="34" fill="#0c1622" stroke="${accent}" stroke-width="6"/>` +
+        `<circle cx="${cx}" cy="600" r="10" fill="${accent}"/>`,
+    );
+  }
+  return out.join('');
+}
+
+function windows(x: number, y: number, n: number, accent: string): string {
+  const out: string[] = [];
+  for (let i = 0; i < n; i++)
+    out.push(
+      `<rect x="${x + i * 95}" y="${y}" width="64" height="60" rx="6" fill="#8fd0ff" fill-opacity="0.18" stroke="${accent}" stroke-width="2"/>`,
+    );
+  return out.join('');
+}
+
+function sideView(t: LocoType, accent: string, m: SampleModel): string {
+  const bodyTop = 430;
+  let body = '';
+  if (t === 'emu') {
+    body =
+      `<path d="M180 600 Q180 470 320 450 L1000 450 Q1040 450 1040 500 L1040 600 Z" fill="${accent}" fill-opacity="0.30" stroke="${accent}" stroke-width="4"/>` +
+      windows(360, 480, 6, accent);
+  } else if (t === 'freight') {
+    body =
+      `<path d="M220 600 L220 470 L1020 470 L1020 600 Z" fill="${accent}" fill-opacity="0.22" stroke="${accent}" stroke-width="4"/>` +
+      `<line x1="220" y1="510" x2="1020" y2="510" stroke="${accent}" stroke-width="2" stroke-dasharray="6 6"/>`;
+  } else {
+    body =
+      `<rect x="220" y="${bodyTop}" width="800" height="170" rx="18" fill="${accent}" fill-opacity="0.28" stroke="${accent}" stroke-width="4"/>` +
+      windows(t === 'passenger' ? 280 : 300, bodyTop + 30, t === 'passenger' ? 7 : 4, accent);
+  }
+  let extra = '';
+  if (t === 'steam')
+    extra =
+      `<circle cx="300" cy="520" r="60" fill="#0c1622" stroke="${accent}" stroke-width="5"/>` + // boiler front
+      `<rect x="360" y="360" width="40" height="70" fill="${accent}" fill-opacity="0.5"/>` + // chimney
+      `<path d="M380 360 q-10 -28 18 -40 q-12 -22 16 -34" fill="none" stroke="${accent}" stroke-width="3" stroke-opacity="0.6"/>`; // smoke
+  if (t === 'electric' || t === 'emu')
+    extra =
+      `<path d="M520 ${t === 'emu' ? 450 : bodyTop} l60 -70 l60 70" fill="none" stroke="${accent}" stroke-width="4"/>` + // pantograph
+      `<line x1="200" y1="360" x2="1040" y2="360" stroke="${accent}" stroke-width="2" stroke-opacity="0.5"/>`; // catenary
+  if (t === 'diesel')
+    extra = `<rect x="360" y="402" width="120" height="28" rx="6" fill="${accent}" fill-opacity="0.5"/>`; // roof vent
+  // 走行部 + 尺寸标注
+  const wh = wheels(330, t === 'emu' ? 6 : 4, accent);
+  const dims =
+    `<line x1="220" y1="690" x2="1020" y2="690" stroke="#7e8ba0" stroke-width="1.5"/>` +
+    `<line x1="220" y1="680" x2="220" y2="700" stroke="#7e8ba0"/>` +
+    `<line x1="1020" y1="680" x2="1020" y2="700" stroke="#7e8ba0"/>` +
+    `<text x="620" y="712" font-size="14" fill="#7e8ba0" text-anchor="middle">车体长度（示意）</text>` +
+    `<text x="1030" y="455" font-size="14" fill="${accent}">最高 ${m.max_speed_value ?? '—'}${m.max_speed_unit || 'km/h'}</text>`;
+  return `<g stroke-linejoin="round">${body}${extra}${wh}${dims}</g>`;
+}
+
+function frontView(accent: string): string {
+  return (
+    `<g stroke-linejoin="round">` +
+    `<path d="M480 620 Q480 360 600 320 Q720 360 720 620 Z" fill="${accent}" fill-opacity="0.28" stroke="${accent}" stroke-width="4"/>` +
+    `<path d="M520 470 Q600 440 680 470 L680 540 L520 540 Z" fill="#8fd0ff" fill-opacity="0.2" stroke="${accent}" stroke-width="3"/>` + // windshield
+    `<circle cx="540" cy="585" r="14" fill="#ffe08a"/><circle cx="660" cy="585" r="14" fill="#ffe08a"/>` + // headlights
+    `<rect x="560" y="624" width="80" height="16" rx="4" fill="${accent}"/>` + // coupler
+    `<text x="600" y="690" font-size="14" fill="#7e8ba0" text-anchor="middle">正视图（示意）</text>` +
+    `</g>`
+  );
+}
+
+function plateView(accent: string, m: SampleModel): string {
+  const rivets: string[] = [];
+  for (let i = 0; i < 8; i++) {
+    rivets.push(`<circle cx="${300 + i * 86}" cy="300" r="6" fill="${accent}"/>`);
+    rivets.push(`<circle cx="${300 + i * 86}" cy="560" r="6" fill="${accent}"/>`);
+  }
+  return (
+    `<g>` +
+    `<rect x="260" y="270" width="680" height="320" rx="14" fill="${accent}" fill-opacity="0.16" stroke="${accent}" stroke-width="4"/>` +
+    rivets.join('') +
+    `<text x="600" y="380" font-size="56" font-weight="800" fill="#ffffff" text-anchor="middle" letter-spacing="3">${esc(m.model_code)}</text>` +
+    `<text x="600" y="430" font-size="22" fill="#cdd5e0" text-anchor="middle">${esc(m.manufacturer || '制造厂未知')}</text>` +
+    `<text x="600" y="480" font-size="18" fill="#aebacb" text-anchor="middle">${esc(m.category)} ｜ ${m.first_year ?? '—'}${m.last_year ? '–' + m.last_year : ''}</text>` +
+    `<text x="600" y="520" font-size="16" fill="${accent}" text-anchor="middle">铭牌（示意）</text>` +
+    `</g>`
+  );
+}
+
+/** 为给定车型生成 3 张示意图（侧视 / 正视 / 铭牌）。*/
+export function sampleImagesFor(m: SampleModel): StoredImage[] {
+  const accent = themeFor(m.category).c1;
+  const t = typeFor(m.category);
+  const code = m.model_code.replace(/[^\w\u4e00-\u9fa5]/g, '');
+  return [
+    {
+      id: `sample-${code}-side`,
+      caption: `${m.model_code} 侧视示意图`,
+      dataUrl: dataUri(frame(accent, '侧视图', m, sideView(t, accent, m))),
+    },
+    {
+      id: `sample-${code}-front`,
+      caption: `${m.model_code} 正视示意图`,
+      dataUrl: dataUri(frame(accent, '正视图', m, frontView(accent))),
+    },
+    {
+      id: `sample-${code}-plate`,
+      caption: `${m.model_code} 铭牌示意`,
+      dataUrl: dataUri(frame(accent, '铭牌', m, plateView(accent, m))),
+    },
+  ];
+}
+
+export function isSampleImage(id: string): boolean {
+  return id.startsWith('sample-');
+}
diff --git a/apps/web/src/lib/thumb.test.ts b/apps/web/src/lib/thumb.test.ts
new file mode 100644
index 0000000..30c444b
--- /dev/null
+++ b/apps/web/src/lib/thumb.test.ts
@@ -0,0 +1,21 @@
+import { describe, expect, it } from 'vitest';
+import { gradientCss, themeFor } from './thumb';
+
+describe('themeFor', () => {
+  it('已知分类返回专属配色', () => {
+    expect(themeFor('电力机车').c1).toBe('#2e5d8f');
+    expect(themeFor('蒸汽机车').c1).toBe('#5b4636');
+  });
+  it('未知分类回退', () => {
+    expect(themeFor('外星机车')).toEqual({ c1: '#3a4250', c2: '#1c212a' });
+  });
+});
+
+describe('gradientCss', () => {
+  it('生成线性渐变并含两端色', () => {
+    const g = gradientCss('动车组');
+    expect(g.startsWith('linear-gradient(')).toBe(true);
+    expect(g).toContain('#1f7a6b');
+    expect(g).toContain('#0d3a33');
+  });
+});
diff --git a/apps/web/src/lib/thumb.ts b/apps/web/src/lib/thumb.ts
new file mode 100644
index 0000000..2e511b9
--- /dev/null
+++ b/apps/web/src/lib/thumb.ts
@@ -0,0 +1,31 @@
+/**
+ * 按分类提供缩略图配色（渐变两端）。图标由 <Thumb> 用专业图标库渲染。
+ * 真实车照待 Phase 2/3 众包上传后替换。
+ */
+export interface Theme {
+  c1: string;
+  c2: string;
+}
+
+const CATEGORY_THEME: Record<string, Theme> = {
+  蒸汽机车: { c1: '#5b4636', c2: '#2b211a' },
+  电力机车: { c1: '#2e5d8f', c2: '#143049' },
+  内燃机车: { c1: '#9c5a23', c2: '#4d2c10' },
+  动车组: { c1: '#1f7a6b', c2: '#0d3a33' },
+  客车: { c1: '#4a5a8f', c2: '#222c49' },
+  货车: { c1: '#7a6a1f', c2: '#3a330d' },
+  检测车: { c1: '#6b3f7a', c2: '#341d3a' },
+  旅游列车: { c1: '#2f8f5d', c2: '#13492d' },
+};
+
+const FALLBACK: Theme = { c1: '#3a4250', c2: '#1c212a' };
+
+export function themeFor(category: string): Theme {
+  return CATEGORY_THEME[category] ?? FALLBACK;
+}
+
+/** 生成缩略图背景的 CSS 渐变。*/
+export function gradientCss(category: string): string {
+  const { c1, c2 } = themeFor(category);
+  return `linear-gradient(135deg, ${c1}, ${c2})`;
+}
diff --git a/apps/web/src/lib/timeline.test.ts b/apps/web/src/lib/timeline.test.ts
new file mode 100644
index 0000000..8cbe63c
--- /dev/null
+++ b/apps/web/src/lib/timeline.test.ts
@@ -0,0 +1,101 @@
+import { describe, expect, it } from 'vitest';
+import { axisTicks, buildTimeline } from './timeline';
+import type { ModelListItem } from '../types';
+
+const mk = (over: Partial<ModelListItem>): ModelListItem =>
+  ({
+    id: Math.random(),
+    model_code: 'X',
+    full_name: '',
+    series: '',
+    manufacturer: '',
+    country: '中国',
+    country_type: '国产',
+    first_year: null,
+    last_year: null,
+    status: '未知',
+    usage: '',
+    max_speed_value: null,
+    max_speed_unit: '',
+    weight_value: null,
+    weight_unit: '',
+    axle_arrangement: '',
+    category: '电力机车',
+    subcat: '',
+    ...over,
+  }) as ModelListItem;
+
+describe('buildTimeline', () => {
+  it('空输入返回空泳道', () => {
+    const t = buildTimeline([]);
+    expect(t.lanes).toEqual([]);
+    expect(t.undated).toEqual([]);
+  });
+
+  it('按分类分泳道并计算位置', () => {
+    const t = buildTimeline([
+      mk({ id: 1, category: '电力机车', first_year: 2000 }),
+      mk({ id: 2, category: '电力机车', first_year: 2010 }),
+      mk({ id: 3, category: '内燃机车', first_year: 2005 }),
+    ]);
+    expect(t.minYear).toBe(2000);
+    expect(t.maxYear).toBe(2010);
+    expect(t.lanes.length).toBe(2);
+    const elec = t.lanes.find((l) => l.category === '电力机车')!;
+    expect(elec.nodes[0].xPct).toBe(0);
+    expect(elec.nodes[1].xPct).toBe(100);
+  });
+
+  it('节点按年份升序', () => {
+    const t = buildTimeline([
+      mk({ id: 1, category: 'A', first_year: 2010 }),
+      mk({ id: 2, category: 'A', first_year: 1990 }),
+    ]);
+    expect(t.lanes[0].nodes.map((n) => n.year)).toEqual([1990, 2010]);
+  });
+
+  it('同年同泳道节点错位分行（避免重叠不可点）', () => {
+    const t = buildTimeline([
+      mk({ id: 1, category: 'A', first_year: 1958 }),
+      mk({ id: 2, category: 'A', first_year: 1958 }),
+      mk({ id: 3, category: 'A', first_year: 1958 }),
+    ]);
+    const rows = t.lanes[0].nodes.map((n) => n.row);
+    expect(new Set(rows).size).toBe(3); // 三个不同的行
+    expect(t.lanes[0].rows).toBe(3);
+  });
+
+  it('相距较远的同泳道节点复用第 0 行', () => {
+    const t = buildTimeline([
+      mk({ id: 1, category: 'A', first_year: 1960 }),
+      mk({ id: 2, category: 'A', first_year: 2020 }),
+    ]);
+    expect(t.lanes[0].nodes.every((n) => n.row === 0)).toBe(true);
+    expect(t.lanes[0].rows).toBe(1);
+  });
+
+  it('无年代车型进入 undated', () => {
+    const t = buildTimeline([
+      mk({ id: 1, category: 'A', first_year: 2000 }),
+      mk({ id: 2, category: 'A', first_year: null }),
+    ]);
+    expect(t.undated.length).toBe(1);
+  });
+
+  it('单一年份不除零', () => {
+    const t = buildTimeline([mk({ first_year: 2000 }), mk({ first_year: 2000 })]);
+    expect(t.lanes[0].nodes.every((n) => Number.isFinite(n.xPct))).toBe(true);
+  });
+});
+
+describe('axisTicks', () => {
+  it('按十年生成刻度并含末年', () => {
+    const ticks = axisTicks(1995, 2018);
+    expect(ticks[0]).toBe(1995 >= 1990 ? 2000 : 1990);
+    expect(ticks).toContain(2018);
+  });
+
+  it('单年返回自身', () => {
+    expect(axisTicks(2000, 2000)).toEqual([2000]);
+  });
+});
diff --git a/apps/web/src/lib/timeline.ts b/apps/web/src/lib/timeline.ts
new file mode 100644
index 0000000..829b339
--- /dev/null
+++ b/apps/web/src/lib/timeline.ts
@@ -0,0 +1,93 @@
+import type { ModelListItem } from '../types';
+
+export interface TimelineNode {
+  m: ModelListItem;
+  year: number;
+  xPct: number; // 0..100 横轴位置
+  row: number; // 同位置碰撞时的堆叠行，避免节点重叠不可点击
+}
+
+export interface TimelineLane {
+  category: string;
+  nodes: TimelineNode[];
+  rows: number; // 该泳道占用的堆叠行数
+}
+
+export interface TimelineLayout {
+  minYear: number;
+  maxYear: number;
+  lanes: TimelineLane[];
+  /** 无年代信息、无法定位的车型 */
+  undated: ModelListItem[];
+}
+
+/**
+ * 计算时间轴布局：按分类分泳道，按 first_year 映射到 0..100 的横轴位置。
+ * 纯函数，便于单元测试（T-1.6 UT）。
+ */
+export function buildTimeline(models: ModelListItem[]): TimelineLayout {
+  const dated = models.filter((m) => typeof m.first_year === 'number');
+  const undated = models.filter((m) => typeof m.first_year !== 'number');
+
+  if (dated.length === 0) {
+    return { minYear: 0, maxYear: 0, lanes: [], undated };
+  }
+
+  const years = dated.map((m) => m.first_year as number);
+  const minYear = Math.min(...years);
+  const maxYear = Math.max(...years);
+  const span = Math.max(1, maxYear - minYear);
+
+  const laneMap = new Map<string, TimelineNode[]>();
+  for (const m of dated) {
+    const year = m.first_year as number;
+    const xPct = ((year - minYear) / span) * 100;
+    const lane = laneMap.get(m.category) ?? [];
+    lane.push({ m, year, xPct, row: 0 });
+    laneMap.set(m.category, lane);
+  }
+
+  // 碰撞分行：同泳道内 x 距离过近的节点错位堆叠，保证各自可点击。
+  const COLLISION_PCT = 2.2;
+  const assignRows = (nodes: TimelineNode[]): number => {
+    const lastXByRow: number[] = [];
+    for (const n of nodes) {
+      let placed = false;
+      for (let r = 0; r < lastXByRow.length; r++) {
+        if (n.xPct - lastXByRow[r] >= COLLISION_PCT) {
+          n.row = r;
+          lastXByRow[r] = n.xPct;
+          placed = true;
+          break;
+        }
+      }
+      if (!placed) {
+        n.row = lastXByRow.length;
+        lastXByRow.push(n.xPct);
+      }
+    }
+    return Math.max(1, lastXByRow.length);
+  };
+
+  const lanes: TimelineLane[] = Array.from(laneMap.entries())
+    .map(([category, nodes]) => {
+      const sorted = nodes.sort((a, b) => a.year - b.year);
+      const rows = assignRows(sorted);
+      return { category, nodes: sorted, rows };
+    })
+    .sort((a, b) => a.category.localeCompare(b.category, 'zh'));
+
+  return { minYear, maxYear, lanes, undated };
+}
+
+/** 生成坐标轴刻度（按十年取整）。*/
+export function axisTicks(minYear: number, maxYear: number): number[] {
+  if (maxYear <= minYear) return [minYear];
+  const start = Math.floor(minYear / 10) * 10;
+  const ticks: number[] = [];
+  for (let y = start; y <= maxYear; y += 10) {
+    if (y >= minYear) ticks.push(y);
+  }
+  if (ticks[ticks.length - 1] !== maxYear) ticks.push(maxYear);
+  return ticks;
+}
diff --git a/apps/web/src/lib/useCollection.ts b/apps/web/src/lib/useCollection.ts
new file mode 100644
index 0000000..163f57b
--- /dev/null
+++ b/apps/web/src/lib/useCollection.ts
@@ -0,0 +1,43 @@
+import { useCallback, useEffect, useState } from 'react';
+
+/**
+ * 轻量"收集"功能（MVP）：用 localStorage 记录已收集车型 id。
+ * Phase 3 账户/打卡上线后迁移到云端。
+ */
+const KEY = 'train.collected.v1';
+
+function load(): Set<number> {
+  try {
+    const raw = localStorage.getItem(KEY);
+    if (!raw) return new Set();
+    const arr = JSON.parse(raw) as number[];
+    return new Set(Array.isArray(arr) ? arr : []);
+  } catch {
+    return new Set();
+  }
+}
+
+export function useCollection() {
+  const [ids, setIds] = useState<Set<number>>(() => load());
+
+  useEffect(() => {
+    try {
+      localStorage.setItem(KEY, JSON.stringify([...ids]));
+    } catch {
+      /* 忽略写入失败（隐私模式等） */
+    }
+  }, [ids]);
+
+  const toggle = useCallback((id: number) => {
+    setIds((prev) => {
+      const next = new Set(prev);
+      if (next.has(id)) next.delete(id);
+      else next.add(id);
+      return next;
+    });
+  }, []);
+
+  const clear = useCallback(() => setIds(new Set()), []);
+
+  return { collectedIds: ids, toggle, clear, count: ids.size };
+}
diff --git a/apps/web/src/lib/useFollow.ts b/apps/web/src/lib/useFollow.ts
new file mode 100644
index 0000000..9c54e90
--- /dev/null
+++ b/apps/web/src/lib/useFollow.ts
@@ -0,0 +1,35 @@
+import { useCallback, useEffect, useState } from 'react';
+
+/** 关注车型（localStorage）。用于"稀有车提醒"的轻量版：在站内汇总关注车型的最新目击。*/
+const KEY = 'train.follows.v1';
+
+function load(): Set<number> {
+  try {
+    const raw = localStorage.getItem(KEY);
+    return new Set(raw ? (JSON.parse(raw) as number[]) : []);
+  } catch {
+    return new Set();
+  }
+}
+
+export function useFollow() {
+  const [ids, setIds] = useState<Set<number>>(() => load());
+
+  useEffect(() => {
+    try {
+      localStorage.setItem(KEY, JSON.stringify([...ids]));
+    } catch {
+      /* ignore */
+    }
+  }, [ids]);
+
+  const toggle = useCallback((id: number) => {
+    setIds((prev) => {
+      const next = new Set(prev);
+      next.has(id) ? next.delete(id) : next.add(id);
+      return next;
+    });
+  }, []);
+
+  return { followIds: ids, toggle, isFollowing: (id: number) => ids.has(id) };
+}
diff --git a/apps/web/src/lib/useImages.ts b/apps/web/src/lib/useImages.ts
new file mode 100644
index 0000000..cf55c9d
--- /dev/null
+++ b/apps/web/src/lib/useImages.ts
@@ -0,0 +1,83 @@
+import { useCallback, useEffect, useState } from 'react';
+
+/**
+ * 每个车型的本地图册（localStorage）。MVP 让爱好者本地添加多张图片并欣赏；
+ * Phase 2/3 众包上传上线后迁移到云端对象存储。
+ */
+export interface StoredImage {
+  id: string;
+  dataUrl: string;
+  caption: string;
+}
+
+const KEY = 'train.images.v1';
+
+type Store = Record<string, StoredImage[]>;
+
+function loadStore(): Store {
+  try {
+    return JSON.parse(localStorage.getItem(KEY) || '{}') as Store;
+  } catch {
+    return {};
+  }
+}
+
+function saveStore(store: Store) {
+  try {
+    localStorage.setItem(KEY, JSON.stringify(store));
+  } catch {
+    /* 配额超限等，忽略 */
+  }
+}
+
+function readFileAsDataUrl(file: File): Promise<string> {
+  return new Promise((resolve, reject) => {
+    const fr = new FileReader();
+    fr.onload = () => resolve(String(fr.result));
+    fr.onerror = reject;
+    fr.readAsDataURL(file);
+  });
+}
+
+export function useImages(modelId: number | undefined) {
+  const [images, setImages] = useState<StoredImage[]>([]);
+
+  useEffect(() => {
+    if (modelId == null) return;
+    setImages(loadStore()[String(modelId)] ?? []);
+  }, [modelId]);
+
+  const persist = useCallback(
+    (next: StoredImage[]) => {
+      setImages(next);
+      if (modelId == null) return;
+      const store = loadStore();
+      store[String(modelId)] = next;
+      saveStore(store);
+    },
+    [modelId],
+  );
+
+  const addFiles = useCallback(
+    async (files: FileList | File[]) => {
+      const arr = Array.from(files).filter((f) => f.type.startsWith('image/'));
+      const added: StoredImage[] = [];
+      for (const f of arr) {
+        added.push({
+          id: `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
+          dataUrl: await readFileAsDataUrl(f),
+          caption: f.name.replace(/\.[^.]+$/, ''),
+        });
+      }
+      persist([...images, ...added]);
+    },
+    [images, persist],
+  );
+
+  const remove = useCallback(
+    (id: string) => persist(images.filter((im) => im.id !== id)),
+    [images, persist],
+  );
+
+  return { images, addFiles, remove };
+}
diff --git a/apps/web/src/main.tsx b/apps/web/src/main.tsx
new file mode 100644
index 0000000..31d2061
--- /dev/null
+++ b/apps/web/src/main.tsx
@@ -0,0 +1,18 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import { BrowserRouter } from 'react-router-dom';
+import App from './App';
+import { AuthProvider } from './lib/auth';
+import './styles.css';
+
+ReactDOM.createRoot(document.getElementById('root')!).render(
+  <React.StrictMode>
+    <BrowserRouter
+      future={{ v7_startTransition: true, v7_relativeSplatPath: true }}
+    >
+      <AuthProvider>
+        <App />
+      </AuthProvider>
+    </BrowserRouter>
+  </React.StrictMode>,
+);
diff --git a/apps/web/src/pages/AdminPhotosPage.tsx b/apps/web/src/pages/AdminPhotosPage.tsx
new file mode 100644
index 0000000..83bb1c1
--- /dev/null
+++ b/apps/web/src/pages/AdminPhotosPage.tsx
@@ -0,0 +1,103 @@
+import { useEffect, useState } from 'react';
+import { Link } from 'react-router-dom';
+import { api } from '../api/client';
+import { useAuth } from '../lib/auth';
+import { Button, PageHeader, EmptyState } from '../components/ui';
+import { IconImage, IconBack } from '../components/icons';
+import type { Photo } from '../types';
+
+type Candidate = Photo & { modelCode: string; category: string };
+
+export function AdminPhotosPage() {
+  const { user } = useAuth();
+  const [items, setItems] = useState<Candidate[]>([]);
+  const [busy, setBusy] = useState(false);
+  const isAdmin = user?.role === 'admin';
+
+  const load = () => api.candidatePhotos().then(setItems).catch(() => {});
+  useEffect(() => {
+    if (isAdmin) load();
+  }, [isAdmin]);
+
+  if (!user) {
+    return (
+      <div className="page">
+        <p className="muted">请先登录。</p>
+        <Link to="/" className="back"><IconBack size={14} /> 返回首页</Link>
+      </div>
+    );
+  }
+  if (!isAdmin) {
+    return (
+      <div className="page">
+        <p className="muted">仅管理员可访问候选审图。</p>
+        <Link to="/" className="back"><IconBack size={14} /> 返回首页</Link>
+      </div>
+    );
+  }
+
+  const confirm = async (pid: number) => {
+    await api.confirmPhoto(pid).catch(() => {});
+    setItems((xs) => xs.filter((x) => x.id !== pid));
+  };
+  const remove = async (pid: number) => {
+    await api.deletePhoto(pid).catch(() => {});
+    setItems((xs) => xs.filter((x) => x.id !== pid));
+  };
+  const confirmAll = async () => {
+    setBusy(true);
+    for (const it of items) await api.confirmPhoto(it.id).catch(() => {});
+    setBusy(false);
+    load();
+  };
+
+  return (
+    <div className="page">
+      <PageHeader
+        title="候选审图"
+        subtitle="批量取图脚本入库的候选照片，确认后即成为图鉴封面与公共图库内容。"
+        actions={
+          items.length > 0 ? (
+            <Button variant="primary" onClick={confirmAll} disabled={busy}>
+              {busy ? '处理中…' : `全部确认（${items.length}）`}
+            </Button>
+          ) : undefined
+        }
+      />
+
+      {items.length === 0 ? (
+        <EmptyState icon={<IconImage size={30} />} text="没有待确认的候选照片。可在本机运行 npm run fetch-images 灌入候选。" />
+      ) : (
+        <div className="review-grid">
+          {items.map((p) => (
+            <div className="review-card" key={p.id}>
+              <a href={p.url} target="_blank" rel="noreferrer" className="review-img">
+                <img src={p.url} alt={p.modelCode} loading="lazy" />
+              </a>
+              <div className="review-meta">
+                <Link to={`/models/${p.modelId}`} className="review-code">
+                  {p.modelCode}
+                </Link>
+                <span className="muted">{p.category}</span>
+                <span className="muted review-attr">
+                  © {p.author || '未署名'}
+                  {p.license ? ` · ${p.license}` : ''}
+                  {p.sourceUrl ? (
+                    <>
+                      {' · '}
+                      <a href={p.sourceUrl} target="_blank" rel="noreferrer">来源</a>
+                    </>
+                  ) : null}
+                </span>
+              </div>
+              <div className="review-actions">
+                <Button variant="primary" size="sm" onClick={() => confirm(p.id)}>确认</Button>
+                <Button variant="danger" size="sm" onClick={() => remove(p.id)}>删除</Button>
+              </div>
+            </div>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/ApiDocsPage.tsx b/apps/web/src/pages/ApiDocsPage.tsx
new file mode 100644
index 0000000..0fb332e
--- /dev/null
+++ b/apps/web/src/pages/ApiDocsPage.tsx
@@ -0,0 +1,53 @@
+import { PageHeader } from '../components/ui';
+
+const ENDPOINTS = [
+  ['GET', '/api/categories', '分类列表 + 计数'],
+  ['GET', '/api/models', '车型列表（筛选/排序/分页）'],
+  ['GET', '/api/models/:id', '车型详情（含众包覆盖）'],
+  ['GET', '/api/models/families', '按系列聚合的族谱'],
+  ['GET', '/api/search?q=', '搜索车型'],
+  ['GET', '/api/stats', '统计概览（大屏数据源）'],
+  ['GET', '/api/sightings/recent', '最新打卡动态'],
+  ['GET', '/api/sightings/spots', '拍车攻略（按车站聚合）'],
+  ['GET', '/api/export/models.json', '开放数据导出（JSON）'],
+  ['GET', '/api/export/models.csv', '开放数据导出（CSV）'],
+];
+
+export function ApiDocsPage() {
+  return (
+    <div className="page">
+      <PageHeader
+        title="开放 API & 数据"
+        subtitle="本平台的车型数据以开放只读 API 提供，便于研究者与开发者使用。数据以 CC 精神开放（众包内容含来源标注）。"
+      />
+
+      <div className="export-btns">
+        <a className="btn btn-primary btn-md" href="/api/export/models.json" target="_blank" rel="noreferrer">
+          下载全部车型 JSON
+        </a>
+        <a className="btn btn-ghost btn-md" href="/api/export/models.csv">
+          下载全部车型 CSV
+        </a>
+      </div>
+
+      <h2>接口一览</h2>
+      <table className="cmp-table api-table">
+        <thead>
+          <tr><th>方法</th><th>路径</th><th>说明</th></tr>
+        </thead>
+        <tbody>
+          {ENDPOINTS.map(([m, p, d]) => (
+            <tr key={p}>
+              <td><code>{m}</code></td>
+              <td><code>{p}</code></td>
+              <td>{d}</td>
+            </tr>
+          ))}
+        </tbody>
+      </table>
+      <p className="muted">
+        写操作（编辑/审核/发帖/打卡）需登录并携带 <code>Authorization: Bearer &lt;token&gt;</code>。
+      </p>
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/ComparePage.tsx b/apps/web/src/pages/ComparePage.tsx
new file mode 100644
index 0000000..090545f
--- /dev/null
+++ b/apps/web/src/pages/ComparePage.tsx
@@ -0,0 +1,139 @@
+import { useEffect, useRef, useState } from 'react';
+import { useSearchParams } from 'react-router-dom';
+import { api } from '../api/client';
+import { COMPARE_AXES, normalizeForRadar } from '../lib/compare';
+import { fmtValueUnit } from '../lib/format';
+import { RadarChart, RADAR_COLORS } from '../components/RadarChart';
+import { PageHeader, EmptyState } from '../components/ui';
+import { IconCompare, IconClose } from '../components/icons';
+import type { ModelDetail, SearchResult } from '../types';
+
+const MAX = 4;
+
+export function ComparePage() {
+  const [params, setParams] = useSearchParams();
+  const [models, setModels] = useState<ModelDetail[]>([]);
+  const [q, setQ] = useState('');
+  const [results, setResults] = useState<SearchResult[]>([]);
+  const timer = useRef<ReturnType<typeof setTimeout>>();
+
+  const ids = (params.get('ids') || '')
+    .split(',')
+    .map(Number)
+    .filter((n) => Number.isFinite(n) && n > 0);
+
+  useEffect(() => {
+    Promise.all(ids.map((id) => api.model(id).catch(() => null))).then((rs) =>
+      setModels(rs.filter(Boolean) as ModelDetail[]),
+    );
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [params.get('ids')]);
+
+  useEffect(() => {
+    clearTimeout(timer.current);
+    if (!q.trim()) {
+      setResults([]);
+      return;
+    }
+    timer.current = setTimeout(() => {
+      api.search(q.trim(), 6).then((r) => setResults(r.results)).catch(() => {});
+    }, 250);
+    return () => clearTimeout(timer.current);
+  }, [q]);
+
+  const setIds = (next: number[]) => {
+    const p = new URLSearchParams(params);
+    if (next.length) p.set('ids', next.join(','));
+    else p.delete('ids');
+    setParams(p, { replace: true });
+  };
+  const add = (id: number) => {
+    if (ids.includes(id) || ids.length >= MAX) return;
+    setIds([...ids, id]);
+    setQ('');
+    setResults([]);
+  };
+  const remove = (id: number) => setIds(ids.filter((x) => x !== id));
+
+  const series = normalizeForRadar(models, COMPARE_AXES);
+
+  return (
+    <div className="page">
+      <PageHeader
+        title="参数对比"
+        subtitle={`选 2–4 个车型，雷达图 + 表格并排比较（最多 ${MAX} 个）。`}
+      />
+
+      <div className="cmp-add">
+        <div className="searchbox cmp-search">
+          <input
+            type="search"
+            placeholder="搜索型号加入对比…"
+            value={q}
+            onChange={(e) => setQ(e.target.value)}
+            disabled={ids.length >= MAX}
+          />
+          {results.length > 0 && (
+            <ul className="search-dropdown">
+              {results.map((r) => (
+                <li key={r.id} onClick={() => add(r.id)}>
+                  <strong>{r.model_code}</strong>
+                  <span className="muted"> · {r.category}</span>
+                </li>
+              ))}
+            </ul>
+          )}
+        </div>
+        <div className="cmp-chips">
+          {models.map((m, i) => (
+            <span className="cmp-chip" key={m.id} style={{ borderColor: RADAR_COLORS[i] }}>
+              <i style={{ background: RADAR_COLORS[i] }} />
+              {m.model_code}
+              <button onClick={() => remove(m.id)} aria-label="移除"><IconClose size={13} /></button>
+            </span>
+          ))}
+        </div>
+      </div>
+
+      {models.length === 0 ? (
+        <EmptyState icon={<IconCompare size={30} />} text='还没有选择车型。用上方搜索框加入，或从车型详情页点"加入对比"。' />
+      ) : (
+        <div className="cmp-body">
+          <RadarChart axes={COMPARE_AXES} series={series} />
+          <div className="cmp-table-wrap">
+            <table className="cmp-table">
+              <thead>
+                <tr>
+                  <th>参数</th>
+                  {models.map((m, i) => (
+                    <th key={m.id} style={{ color: RADAR_COLORS[i] }}>{m.model_code}</th>
+                  ))}
+                </tr>
+              </thead>
+              <tbody>
+                {COMPARE_AXES.map((a) => (
+                  <tr key={a.key}>
+                    <th>{a.label}</th>
+                    {models.map((m) => (
+                      <td key={m.id}>
+                        {fmtValueUnit((m as any)[a.key], a.unit)}
+                      </td>
+                    ))}
+                  </tr>
+                ))}
+                <tr>
+                  <th>分类 / 年代</th>
+                  {models.map((m) => (
+                    <td key={m.id}>
+                      {m.category} · {m.first_year ?? '—'}
+                    </td>
+                  ))}
+                </tr>
+              </tbody>
+            </table>
+          </div>
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/DashboardPage.tsx b/apps/web/src/pages/DashboardPage.tsx
new file mode 100644
index 0000000..10ed050
--- /dev/null
+++ b/apps/web/src/pages/DashboardPage.tsx
@@ -0,0 +1,186 @@
+import { useEffect, useState } from 'react';
+import { api } from '../api/client';
+import { EvolutionCurve } from '../components/EvolutionCurve';
+import {
+  IconBrand,
+  IconStation,
+  IconGallery,
+  IconTimeline,
+} from '../components/icons';
+import { MdSpeed, MdPublic } from 'react-icons/md';
+import type { Stats } from '../types';
+
+const SEG_COLORS = [
+  '#4ea1ff', '#2bb39a', '#fbbf24', '#f87171', '#c084fc',
+  '#38bdf8', '#a3e635', '#fb923c', '#94a3b8', '#f472b6',
+];
+
+/** SVG 环形图（甜甜圈）+ 图例。*/
+function Donut({ data }: { data: { label: string; count: number }[] }) {
+  const total = data.reduce((s, d) => s + d.count, 0) || 1;
+  const R = 70;
+  const r = 45;
+  const c = 90;
+  let acc = 0;
+  const segs = data.map((d, i) => {
+    const frac = d.count / total;
+    const a0 = acc * 2 * Math.PI - Math.PI / 2;
+    acc += frac;
+    const a1 = acc * 2 * Math.PI - Math.PI / 2;
+    const large = frac > 0.5 ? 1 : 0;
+    const p = (rad: number, ang: number) => [c + rad * Math.cos(ang), c + rad * Math.sin(ang)];
+    const [x0, y0] = p(R, a0);
+    const [x1, y1] = p(R, a1);
+    const [xi1, yi1] = p(r, a1);
+    const [xi0, yi0] = p(r, a0);
+    const path =
+      data.length === 1
+        ? `M${c - R} ${c} A${R} ${R} 0 1 1 ${c + R} ${c} A${R} ${R} 0 1 1 ${c - R} ${c} ` +
+          `M${c - r} ${c} A${r} ${r} 0 1 0 ${c + r} ${c} A${r} ${r} 0 1 0 ${c - r} ${c} Z`
+        : `M${x0} ${y0} A${R} ${R} 0 ${large} 1 ${x1} ${y1} L${xi1} ${yi1} A${r} ${r} 0 ${large} 0 ${xi0} ${yi0} Z`;
+    return { path, color: SEG_COLORS[i % SEG_COLORS.length], label: d.label, count: d.count, frac };
+  });
+  return (
+    <div className="donut-wrap">
+      <svg viewBox="0 0 180 180" className="donut" role="img" aria-label="构成环形图">
+        {segs.map((s, i) => (
+          <path key={i} d={s.path} fill={s.color} fillRule="evenodd" />
+        ))}
+        <text x="90" y="86" textAnchor="middle" className="donut-total">{total}</text>
+        <text x="90" y="106" textAnchor="middle" className="donut-total-label">合计</text>
+      </svg>
+      <ul className="donut-legend">
+        {segs.map((s, i) => (
+          <li key={i}>
+            <i style={{ background: s.color }} />
+            <span className="dl-label">{s.label}</span>
+            <b>{s.count}</b>
+            <span className="muted dl-pct">{Math.round(s.frac * 100)}%</span>
+          </li>
+        ))}
+      </ul>
+    </div>
+  );
+}
+
+/** 纵向柱状图。*/
+function VBars({ data }: { data: { label: string; count: number }[] }) {
+  const max = Math.max(1, ...data.map((d) => d.count));
+  return (
+    <div className="vbars">
+      {data.map((d) => (
+        <div className="vbar-col" key={d.label}>
+          <span className="vbar-val">{d.count}</span>
+          <span className="vbar-track">
+            <span className="vbar-fill" style={{ height: `${(d.count / max) * 100}%` }} />
+          </span>
+          <span className="vbar-x">{d.label}</span>
+        </div>
+      ))}
+    </div>
+  );
+}
+
+function Kpi({
+  icon,
+  value,
+  label,
+  accent,
+}: {
+  icon: React.ReactNode;
+  value: React.ReactNode;
+  label: string;
+  accent: string;
+}) {
+  return (
+    <div className="kpi" style={{ ['--kpi' as string]: accent }}>
+      <span className="kpi-icon">{icon}</span>
+      <div className="kpi-body">
+        <b>{value}</b>
+        <span>{label}</span>
+      </div>
+    </div>
+  );
+}
+
+export function DashboardPage() {
+  const [stats, setStats] = useState<Stats | null>(null);
+  const [now, setNow] = useState(() => new Date());
+
+  useEffect(() => {
+    api.stats().then(setStats).catch(() => {});
+  }, []);
+  useEffect(() => {
+    const t = setInterval(() => setNow(new Date()), 1000);
+    return () => clearInterval(t);
+  }, []);
+
+  if (!stats) return <div className="page"><p className="muted">加载中…</p></div>;
+
+  const evo = stats.speedByDecade.map((d) => ({ decade: d.decade, maxSpeed: d.maxSpeed }));
+  const topSpeed = Math.max(0, ...stats.speedByDecade.map((d) => d.maxSpeed));
+  const decades = stats.byDecade.map((d) => d.decade).filter((n) => Number.isFinite(n));
+  const span = decades.length ? Math.max(...decades) - Math.min(...decades) : 0;
+
+  return (
+    <div className="dashboard">
+      <header className="dash-topbar">
+        <div className="dash-title">
+          <IconBrand size={26} />
+          <div>
+            <h1>中国机车数据大屏</h1>
+            <span className="dash-sub">CHINA LOCOMOTIVE DATA · 实时可视化</span>
+          </div>
+        </div>
+        <div className="dash-clock">
+          <b>{now.toLocaleTimeString('zh-CN', { hour12: false })}</b>
+          <span>{now.toLocaleDateString('zh-CN', { year: 'numeric', month: '2-digit', day: '2-digit', weekday: 'short' })}</span>
+        </div>
+      </header>
+
+      <div className="kpi-row">
+        <Kpi icon={<IconGallery size={22} />} value={stats.totals.models} label="收录车型" accent="#4ea1ff" />
+        <Kpi icon={<IconStation size={22} />} value={stats.totals.units} label="车辆个体" accent="#2bb39a" />
+        <Kpi icon={<IconTimeline size={22} />} value={stats.totals.categories} label="车型分类" accent="#c084fc" />
+        <Kpi icon={<MdSpeed size={22} />} value={topSpeed || '—'} label="最高时速 km/h" accent="#fbbf24" />
+        <Kpi icon={<MdPublic size={22} />} value={span ? `${span}+` : '—'} label="跨越年代(年)" accent="#f87171" />
+      </div>
+
+      <div className="dash-grid">
+        <section className="dash-card span-2">
+          <div className="dash-card-head">
+            <h2>最高时速演进</h2>
+            <span className="dash-tag">km/h · 按年代</span>
+          </div>
+          <EvolutionCurve points={evo} />
+        </section>
+
+        <section className="dash-card">
+          <div className="dash-card-head">
+            <h2>分类构成</h2>
+            <span className="dash-tag">{stats.byCategory.length} 类</span>
+          </div>
+          <Donut data={stats.byCategory} />
+        </section>
+
+        <section className="dash-card">
+          <div className="dash-card-head">
+            <h2>国别构成</h2>
+            <span className="dash-tag">{stats.byCountryType.length} 类</span>
+          </div>
+          <Donut data={stats.byCountryType} />
+        </section>
+
+        <section className="dash-card span-2">
+          <div className="dash-card-head">
+            <h2>各年代新增车型</h2>
+            <span className="dash-tag">辆 · 按十年</span>
+          </div>
+          <VBars data={stats.byDecade.map((d) => ({ label: `${d.decade}s`, count: d.count }))} />
+        </section>
+      </div>
+
+      <p className="dash-foot muted">数据来源：本平台收录的中国机车统计（{stats.totals.models} 车型 / {stats.totals.units} 个体）。</p>
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/DetailPage.tsx b/apps/web/src/pages/DetailPage.tsx
new file mode 100644
index 0000000..3d81d53
--- /dev/null
+++ b/apps/web/src/pages/DetailPage.tsx
@@ -0,0 +1,592 @@
+import { useEffect, useRef, useState } from 'react';
+import { Link, useParams, useNavigate } from 'react-router-dom';
+import { api } from '../api/client';
+import type { ModelDetail } from '../types';
+import { fmtEra, fmtValueUnit, statusClass } from '../lib/format';
+import { labelOf } from '../lib/fieldLabels';
+import { sampleImagesFor } from '../lib/sampleImages';
+import { useFollow } from '../lib/useFollow';
+import { useAuth } from '../lib/auth';
+import type { GalleryImage, Revision, Maintainer, Thread, Sighting, Photo } from '../types';
+import { Thumb } from '../components/Thumb';
+import { Lightbox } from '../components/Lightbox';
+import { EditModal } from '../components/EditModal';
+import { RevisionList } from '../components/RevisionList';
+import { CategoryIcon, IconBack, IconEdit, IconCompare, IconStarFilled, IconStarOutline, IconConfirm, IconDelete, IconMaintain, IconLocation, IconForward } from '../components/icons';
+import { Button } from '../components/ui';
+
+type Row = { label: string; value: string };
+
+const val = (v: unknown) => {
+  const s = v == null ? '' : String(v).trim();
+  return s || '—';
+};
+
+function basicRows(m: ModelDetail): Row[] {
+  return [
+    { label: '分类', value: `${m.category}${m.subcat ? ' · ' + m.subcat : ''}` },
+    { label: '系列', value: val(m.series) },
+    { label: '别名', value: val((m as any).aliases) },
+    { label: '生产商', value: val(m.manufacturer) },
+    { label: '制造国/地区', value: val(m.country) },
+    { label: '国别属性', value: val(m.country_type) },
+    { label: '首产年', value: m.first_year ? String(m.first_year) : '—' },
+    { label: '停产年', value: m.last_year ? String(m.last_year) : '—' },
+    { label: '用途', value: val(m.usage) },
+    { label: '产量', value: val((m as any).production_count) },
+    { label: '数据来源', value: val((m as any).source_sheet) },
+  ];
+}
+
+function sizeRows(m: ModelDetail): Row[] {
+  const f = (k: string) =>
+    fmtValueUnit((m as any)[`${k}_value`], (m as any)[`${k}_unit`]);
+  return [
+    { label: '车长', value: f('length') },
+    { label: '车宽', value: f('width') },
+    { label: '车高', value: f('height') },
+    { label: '轴距', value: f('wheelbase') },
+    { label: '整备重量', value: f('weight') },
+    { label: '轴重', value: f('axle_load') },
+    { label: '载重', value: f('load') },
+  ];
+}
+
+function powerRows(m: ModelDetail): Row[] {
+  const f = (k: string) =>
+    fmtValueUnit((m as any)[`${k}_value`], (m as any)[`${k}_unit`]);
+  return [
+    { label: '最高时速', value: f('max_speed') },
+    { label: '起动牵引力', value: f('tractive_start') },
+    { label: '持续牵引力', value: f('tractive_cont') },
+    { label: '功率', value: f('power_kw') },
+    { label: '容积', value: f('capacity') },
+    { label: '传动效率', value: val((m as any).efficiency) },
+    { label: '传动/供电', value: val(m.drive as string) },
+    { label: '轴列式', value: val(m.axle_arrangement) },
+  ];
+}
+
+function Section({ title, rows }: { title: string; rows: Row[] }) {
+  return (
+    <section className="d-section">
+      <h2>{title}</h2>
+      <dl className="d-grid">
+        {rows.map((r) => (
+          <div key={r.label} className={r.value === '—' ? 'd-row empty' : 'd-row'}>
+            <dt>{r.label}</dt>
+            <dd>{r.value}</dd>
+          </div>
+        ))}
+      </dl>
+    </section>
+  );
+}
+
+export function DetailPage() {
+  const { id } = useParams();
+  const navigate = useNavigate();
+  const { user } = useAuth();
+  const isAdmin = user?.role === 'admin';
+  const [m, setM] = useState<ModelDetail | null>(null);
+  const [error, setError] = useState('');
+  const [lbIndex, setLbIndex] = useState<number | null>(null);
+  const [showEdit, setShowEdit] = useState(false);
+  const [revisions, setRevisions] = useState<Revision[]>([]);
+  const [maintainers, setMaintainers] = useState<Maintainer[]>([]);
+  const [threads, setThreads] = useState<Thread[]>([]);
+  const [discTitle, setDiscTitle] = useState('');
+  const [discBody, setDiscBody] = useState('');
+  const [sightings, setSightings] = useState<Sighting[]>([]);
+  const [spot, setSpot] = useState({ lat: '', lng: '', station: '', carNumber: '' });
+  const [spotErr, setSpotErr] = useState('');
+  const [notice, setNotice] = useState('');
+  const [reload, setReload] = useState(0);
+  const fileRef = useRef<HTMLInputElement>(null);
+  const [photos, setPhotos] = useState<Photo[]>([]);
+  const { isFollowing, toggle: toggleFollow } = useFollow();
+
+  useEffect(() => {
+    if (!id) return;
+    setM(null);
+    setError('');
+    api
+      .model(Number(id))
+      .then(setM)
+      .catch((e) => setError(String(e)));
+    api.modelRevisions(Number(id)).then(setRevisions).catch(() => {});
+    api.maintainers(Number(id)).then(setMaintainers).catch(() => {});
+    api.threads({ modelId: Number(id) }).then(setThreads).catch(() => {});
+    api.modelSightings(Number(id)).then(setSightings).catch(() => {});
+    api.modelPhotos(Number(id)).then(setPhotos).catch(() => {});
+  }, [id, reload]);
+
+  const uploadPhotos = async (files: FileList) => {
+    if (!id) return;
+    for (const f of Array.from(files)) {
+      try {
+        await api.uploadPhoto(Number(id), f);
+      } catch {
+        /* ignore single failure */
+      }
+    }
+    api.modelPhotos(Number(id)).then(setPhotos).catch(() => {});
+  };
+
+  const removePhoto = async (pid: number) => {
+    if (!id) return;
+    try {
+      await api.deletePhoto(pid);
+      api.modelPhotos(Number(id)).then(setPhotos);
+    } catch {
+      /* ignore */
+    }
+  };
+
+  const confirmPhoto = async (pid: number) => {
+    if (!id) return;
+    try {
+      await api.confirmPhoto(pid);
+      api.modelPhotos(Number(id)).then(setPhotos);
+    } catch {
+      /* ignore */
+    }
+  };
+
+  const confirmAll = async () => {
+    if (!id) return;
+    for (const p of photos.filter((x) => x.status === 'candidate')) {
+      try {
+        await api.confirmPhoto(p.id);
+      } catch {
+        /* ignore */
+      }
+    }
+    api.modelPhotos(Number(id)).then(setPhotos);
+  };
+
+  const featurePhoto = async (pid: number) => {
+    if (!id) return;
+    try {
+      await api.featurePhoto(pid);
+      api.modelPhotos(Number(id)).then(setPhotos);
+    } catch {
+      /* ignore */
+    }
+  };
+
+  const useMyLocation = () => {
+    if (!navigator.geolocation) return;
+    navigator.geolocation.getCurrentPosition((pos) => {
+      setSpot((s) => ({
+        ...s,
+        lat: pos.coords.latitude.toFixed(5),
+        lng: pos.coords.longitude.toFixed(5),
+      }));
+    });
+  };
+
+  const checkIn = async (e: React.FormEvent) => {
+    e.preventDefault();
+    if (!id) return;
+    setSpotErr('');
+    const lat = Number(spot.lat);
+    const lng = Number(spot.lng);
+    if (!Number.isFinite(lat) || !Number.isFinite(lng) || lat < -90 || lat > 90 || lng < -180 || lng > 180) {
+      setSpotErr('请填写有效的经纬度（可点"用我的位置"）');
+      return;
+    }
+    try {
+      await api.createSighting(Number(id), {
+        lat,
+        lng,
+        station: spot.station,
+        carNumber: spot.carNumber,
+      });
+      setSpot({ lat: '', lng: '', station: '', carNumber: '' });
+      api.modelSightings(Number(id)).then(setSightings);
+    } catch (err) {
+      setSpotErr(err instanceof Error ? err.message : '打卡失败');
+    }
+  };
+
+  const startDiscussion = async (e: React.FormEvent) => {
+    e.preventDefault();
+    if (!id) return;
+    try {
+      await api.createThread({
+        board: 'entry',
+        modelId: Number(id),
+        title: discTitle,
+        body: discBody,
+      });
+      setDiscTitle('');
+      setDiscBody('');
+      api.threads({ modelId: Number(id) }).then(setThreads);
+    } catch {
+      /* ignore */
+    }
+  };
+
+  const iAmMaintainer = !!user && maintainers.some((mm) => mm.id === user.id);
+  const toggleMaintain = async () => {
+    if (!id) return;
+    try {
+      const next = iAmMaintainer
+        ? await api.unclaimMaintainer(Number(id))
+        : await api.claimMaintainer(Number(id));
+      setMaintainers(next);
+    } catch {
+      /* ignore */
+    }
+  };
+
+  if (error) return <p className="error">{error}</p>;
+  if (!m) return <p className="muted">加载中…</p>;
+
+  // 返回：优先回到来路（保留图鉴所在页码）；无历史时回图鉴首页
+  const goBack = () => {
+    const st = window.history.state as { idx?: number } | null;
+    if (st && typeof st.idx === 'number' && st.idx > 0) navigate(-1);
+    else navigate('/explore');
+  };
+
+  // 原始数据：英文键映射为中文
+  const rawEntries = m.raw
+    ? Object.entries(m.raw).map(([k, v]) => [labelOf(k), v] as [string, unknown])
+    : [];
+
+  // 图册：共享图库（本地，含从 Commons 下载的照片）→ 系统示意图（兜底）
+  const allImages: GalleryImage[] = [
+    ...photos.map((p) => ({
+      id: 'photo-' + p.id,
+      src: p.url,
+      caption: p.caption || `${m.model_code} · ${p.uploaderName}`,
+      removable: isAdmin,
+      source: 'photo' as const,
+      photoId: p.id,
+      pending: p.status === 'candidate',
+      featured: p.featured,
+      attribution: p.sourceUrl || p.author
+        ? { author: p.author, license: p.license, url: p.sourceUrl }
+        : undefined,
+    })),
+    ...sampleImagesFor(m).map((s) => ({
+      id: s.id,
+      src: s.dataUrl,
+      caption: s.caption,
+      removable: false,
+      source: 'sample' as const,
+    })),
+  ];
+
+  // 详情头图：封面照片(featured 优先) → 已确认图库 → 示意图
+  const heroPhoto =
+    photos.find((p) => p.featured && p.status === 'confirmed') ??
+    photos.find((p) => p.status === 'confirmed');
+  const heroImg = heroPhoto?.url ?? null;
+
+  return (
+    <div className="detail">
+      <button type="button" className="back" onClick={goBack}>
+        <IconBack size={14} /> 返回图鉴
+      </button>
+
+      <div className="detail-hero" style={{ ['--accent' as string]: '#4ea1ff' }}>
+        <div className="detail-thumb">
+          {heroImg ? (
+            <img src={heroImg} alt={m.model_code} className="detail-hero-img" />
+          ) : (
+            <Thumb category={m.category} code={m.model_code} />
+          )}
+        </div>
+        <div className="detail-head">
+          <div className="detail-title">
+            <CategoryIcon category={m.category} size={22} />
+            <h1>{m.model_code}</h1>
+            <span className={statusClass(m.status)}>{m.status}</span>
+          </div>
+          {m.full_name ? <p className="muted">{m.full_name}</p> : null}
+          <div className="detail-tags">
+            <span className="chip">{m.category}</span>
+            {m.series ? <span className="chip">{m.series}</span> : null}
+            <span className="chip">{fmtEra(m.first_year, m.last_year)}</span>
+            <span className="chip">
+              {fmtValueUnit(m.max_speed_value, m.max_speed_unit)}
+            </span>
+            <span className="chip">{m.country_type}</span>
+          </div>
+          <div className="detail-actions">
+            {isAdmin && (
+              <Button variant="ghost" size="sm" onClick={() => setShowEdit(true)}>
+                <IconEdit size={15} /> 编辑词条
+              </Button>
+            )}
+            <Link to={`/compare?ids=${m.id}`} className="btn btn-secondary btn-sm">
+              <IconCompare size={15} /> 加入对比
+            </Link>
+            <Button variant="secondary" size="sm" onClick={() => toggleFollow(m.id)}>
+              {isFollowing(m.id) ? (
+                <>
+                  <IconStarFilled size={15} /> 已关注
+                </>
+              ) : (
+                <>
+                  <IconStarOutline size={15} /> 关注
+                </>
+              )}
+            </Button>
+          </div>
+        </div>
+      </div>
+
+      {notice && <p className="notice">{notice}</p>}
+
+      {/* 图册：本地多图 + 灯箱缩放 */}
+      <section className="d-section">
+        <div className="gallery-head">
+          <h2>图册</h2>
+          {isAdmin && (
+            <>
+              <Button variant="ghost" size="sm" onClick={() => fileRef.current?.click()}>
+                + 添加图片
+              </Button>
+              {photos.some((p) => p.status === 'candidate') && (
+                <Button variant="primary" size="sm" onClick={confirmAll}>
+                  确认全部候选
+                </Button>
+              )}
+              <input
+                ref={fileRef}
+                type="file"
+                accept="image/*"
+                multiple
+                hidden
+                onChange={(e) => {
+                  if (e.target.files?.length) uploadPhotos(e.target.files);
+                  e.target.value = '';
+                }}
+              />
+            </>
+          )}
+        </div>
+        {allImages.length === 0 ? (
+          <p className="muted img-empty">暂无照片。</p>
+        ) : (
+          <div className="img-grid">
+            {allImages.map((im, i) => (
+              <div className="img-cell" key={im.id}>
+                <img
+                  src={im.src}
+                  alt={im.caption}
+                  loading="lazy"
+                  onClick={() => setLbIndex(i)}
+                />
+                <span className={`img-badge badge-${im.source}`}>
+                  {im.source === 'photo'
+                    ? im.pending
+                      ? '候选'
+                      : '图库'
+                    : '示意图'}
+                </span>
+                {im.removable && im.photoId != null && (
+                  <div className="img-admin">
+                    {im.pending ? (
+                      <button
+                        className="img-confirm"
+                        aria-label="确认照片"
+                        title="确认"
+                        onClick={() => confirmPhoto(im.photoId!)}
+                      >
+                        <IconConfirm size={14} />
+                      </button>
+                    ) : (
+                      <button
+                        className={im.featured ? 'img-feature on' : 'img-feature'}
+                        aria-label="设为封面"
+                        title={im.featured ? '当前封面' : '设为封面'}
+                        onClick={() => featurePhoto(im.photoId!)}
+                      >
+                        <IconStarFilled size={14} />
+                      </button>
+                    )}
+                    <button
+                      className="img-del"
+                      aria-label="删除图片"
+                      onClick={() => removePhoto(im.photoId!)}
+                    >
+                      <IconDelete size={14} />
+                    </button>
+                  </div>
+                )}
+              </div>
+            ))}
+          </div>
+        )}
+        <p className="muted img-hint">
+          真实照片已下载保存到本地共享图库（来源 Wikimedia Commons，自由授权，署名见图注）；“示意图”为系统生成占位。
+          图鉴内容由管理员维护，确保准确与合规。
+        </p>
+      </section>
+
+      <Section title="基本信息" rows={basicRows(m)} />
+      <Section title="尺寸与重量" rows={sizeRows(m)} />
+      <Section title="动力与性能" rows={powerRows(m)} />
+
+      {rawEntries.length > 0 && (
+        <section className="d-section">
+          <h2>原始数据（保真）</h2>
+          <dl className="d-grid">
+            {rawEntries.map(([k, v]) => (
+              <div key={k} className="d-row">
+                <dt>{k}</dt>
+                <dd>{String(v)}</dd>
+              </div>
+            ))}
+          </dl>
+        </section>
+      )}
+
+      {lbIndex !== null && (
+        <Lightbox
+          images={allImages}
+          index={lbIndex}
+          onClose={() => setLbIndex(null)}
+          onIndexChange={setLbIndex}
+        />
+      )}
+
+      <section className="d-section">
+        <div className="gallery-head">
+          <h2>词条维护者</h2>
+          {user && (
+            <Button variant="ghost" size="sm" onClick={toggleMaintain}>
+              {iAmMaintainer ? '取消认领' : '认领维护'}
+            </Button>
+          )}
+        </div>
+        {maintainers.length === 0 ? (
+          <p className="muted">暂无维护者认领。认领后将在此署名。</p>
+        ) : (
+          <div className="maintainers">
+            {maintainers.map((mm) => (
+              <span className="chip" key={mm.id}><IconMaintain size={13} /> {mm.displayName}</span>
+            ))}
+          </div>
+        )}
+      </section>
+
+      <section className="d-section">
+        <h2>修订历史</h2>
+        <RevisionList revisions={revisions} />
+      </section>
+
+      <section className="d-section">
+        <h2>目击打卡</h2>
+        {sightings.length === 0 ? (
+          <p className="muted">还没有打卡记录。拍到这款车？记录下时间地点吧。</p>
+        ) : (
+          <ul className="feed-list">
+            {sightings.map((s) => (
+              <li key={s.id} className="sighting-row">
+                <b>{s.station || '未知地点'}</b>
+                <span className="muted">
+                  {' '}· {s.user_name} · {s.car_number || '—'}
+                  {s.description ? ` · ${s.description}` : ''}
+                </span>
+              </li>
+            ))}
+          </ul>
+        )}
+        {user ? (
+          <form className="new-thread checkin-form" onSubmit={checkIn}>
+            <div className="checkin-row">
+              <input
+                placeholder="纬度 lat"
+                value={spot.lat}
+                onChange={(e) => setSpot((s) => ({ ...s, lat: e.target.value }))}
+              />
+              <input
+                placeholder="经度 lng"
+                value={spot.lng}
+                onChange={(e) => setSpot((s) => ({ ...s, lng: e.target.value }))}
+              />
+              <button type="button" onClick={useMyLocation} className="loc-btn">
+                <IconLocation size={14} /> 用我的位置
+              </button>
+            </div>
+            <div className="checkin-row">
+              <input
+                placeholder="车站/地点"
+                value={spot.station}
+                onChange={(e) => setSpot((s) => ({ ...s, station: e.target.value }))}
+              />
+              <input
+                placeholder="车号（可选）"
+                value={spot.carNumber}
+                onChange={(e) => setSpot((s) => ({ ...s, carNumber: e.target.value }))}
+              />
+            </div>
+            {spotErr && <p className="error">{spotErr}</p>}
+            <Button variant="primary" type="submit">打卡</Button>
+            <Link to="/map" className="muted map-link">在打卡地图查看全部 <IconForward size={13} /></Link>
+          </form>
+        ) : (
+          <p className="muted">登录后可打卡记录目击。</p>
+        )}
+      </section>
+
+      <section className="d-section">
+        <h2>讨论区</h2>
+        {threads.length === 0 ? (
+          <p className="muted">还没有讨论。发起第一个话题，和同好交流考证。</p>
+        ) : (
+          <ul className="thread-list">
+            {threads.map((t) => (
+              <li key={t.id}>
+                <Link to={`/thread/${t.id}`} className="thread-row">
+                  <span className="thread-title">{t.title}</span>
+                  <span className="muted thread-meta">
+                    {t.author_name} · {t.reply_count} 回复
+                  </span>
+                </Link>
+              </li>
+            ))}
+          </ul>
+        )}
+        {user ? (
+          <form className="new-thread" onSubmit={startDiscussion}>
+            <input
+              placeholder="讨论标题"
+              value={discTitle}
+              onChange={(e) => setDiscTitle(e.target.value)}
+              required
+            />
+            <textarea
+              placeholder="说点什么…"
+              value={discBody}
+              onChange={(e) => setDiscBody(e.target.value)}
+              rows={3}
+              required
+            />
+            <Button variant="primary" type="submit">发起讨论</Button>
+          </form>
+        ) : (
+          <p className="muted">登录后可发起讨论。</p>
+        )}
+      </section>
+
+      {showEdit && (
+        <EditModal
+          model={m}
+          onClose={() => setShowEdit(false)}
+          onSaved={(msg) => {
+            setShowEdit(false);
+            setNotice(msg);
+            setReload((n) => n + 1);
+          }}
+        />
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/FamilyPage.tsx b/apps/web/src/pages/FamilyPage.tsx
new file mode 100644
index 0000000..07dc471
--- /dev/null
+++ b/apps/web/src/pages/FamilyPage.tsx
@@ -0,0 +1,76 @@
+import { useEffect, useState } from 'react';
+import { Link } from 'react-router-dom';
+import { api } from '../api/client';
+import type { Category, Family } from '../types';
+import { fmtEra, fmtValueUnit } from '../lib/format';
+import { Thumb } from '../components/Thumb';
+import { PageHeader, EmptyState } from '../components/ui';
+
+export function FamilyPage() {
+  const [categories, setCategories] = useState<Category[]>([]);
+  const [category, setCategory] = useState('电力机车');
+  const [family, setFamily] = useState<Family | null>(null);
+
+  useEffect(() => {
+    api.categories().then(setCategories).catch(() => {});
+  }, []);
+
+  useEffect(() => {
+    api.families(category).then((fs) => setFamily(fs[0] ?? null)).catch(() => {});
+  }, [category]);
+
+  const catNames = Array.from(new Set(categories.map((c) => c.name)));
+
+  return (
+    <div className="page">
+      <PageHeader
+        title="技术族谱"
+        subtitle="按“系列”梳理车型谱系，呈现同系列的演进脉络（如 东风系列、和谐系列）；跨型号/跨国原型关系将随众包数据逐步接入。"
+      />
+
+      <div className="board-tabs">
+        {catNames.map((n) => (
+          <button
+            key={n}
+            className={category === n ? 'active' : ''}
+            onClick={() => setCategory(n)}
+          >
+            {n}
+          </button>
+        ))}
+      </div>
+
+      {!family || family.series.length === 0 ? (
+        <EmptyState text="该分类暂无数据。" />
+      ) : (
+        <div className="family">
+          {family.series.map((s) => (
+            <div className="family-series" key={s.name}>
+              <div className="family-series-name">
+                {s.name}
+                <span className="muted"> · {s.models.length}</span>
+              </div>
+              <div className="family-track">
+                {s.models.map((m) => (
+                  <Link key={m.id} to={`/models/${m.id}`} className="family-node">
+                    <span className="fn-thumb">
+                      <Thumb category={m.category} code={m.model_code} size="sm" />
+                    </span>
+                    <span className="fn-code">{m.model_code}</span>
+                    <span className="fn-meta">
+                      {fmtEra(m.first_year, m.last_year)} ·{' '}
+                      {fmtValueUnit(m.max_speed_value, m.max_speed_unit)}
+                    </span>
+                    {m.country_type && m.country_type !== '国产' && (
+                      <span className="fn-flag">{m.country_type}</span>
+                    )}
+                  </Link>
+                ))}
+              </div>
+            </div>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/ForumPage.tsx b/apps/web/src/pages/ForumPage.tsx
new file mode 100644
index 0000000..df1ffa9
--- /dev/null
+++ b/apps/web/src/pages/ForumPage.tsx
@@ -0,0 +1,98 @@
+import { useEffect, useState } from 'react';
+import { Link } from 'react-router-dom';
+import { api } from '../api/client';
+import { useAuth } from '../lib/auth';
+import { Button, PageHeader, EmptyState } from '../components/ui';
+import { IconForum } from '../components/icons';
+import type { Board, Thread } from '../types';
+
+export function ForumPage() {
+  const { user } = useAuth();
+  const [boards, setBoards] = useState<Board[]>([]);
+  const [board, setBoard] = useState('general');
+  const [threads, setThreads] = useState<Thread[]>([]);
+  const [showNew, setShowNew] = useState(false);
+  const [title, setTitle] = useState('');
+  const [body, setBody] = useState('');
+  const [error, setError] = useState('');
+
+  useEffect(() => {
+    api.boards().then(setBoards).catch(() => {});
+  }, []);
+  useEffect(() => {
+    api.threads({ board }).then(setThreads).catch(() => {});
+  }, [board]);
+
+  const create = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setError('');
+    try {
+      await api.createThread({ board, title, body });
+      setTitle('');
+      setBody('');
+      setShowNew(false);
+      api.threads({ board }).then(setThreads);
+    } catch (err) {
+      setError(err instanceof Error ? err.message : '发帖失败');
+    }
+  };
+
+  return (
+    <div className="page">
+      <PageHeader title="社区" subtitle="按板块发帖讨论：综合、拍车打卡、历史考证。" />
+      <div className="board-tabs">
+        {boards.map((b) => (
+          <button
+            key={b.key}
+            className={board === b.key ? 'active' : ''}
+            onClick={() => setBoard(b.key)}
+          >
+            {b.label}
+          </button>
+        ))}
+        {user && (
+          <Button variant="ghost" size="sm" className="new-thread-btn" onClick={() => setShowNew((s) => !s)}>
+            {showNew ? '取消' : '+ 发帖'}
+          </Button>
+        )}
+      </div>
+
+      {showNew && user && (
+        <form className="new-thread" onSubmit={create}>
+          <input
+            placeholder="标题"
+            value={title}
+            onChange={(e) => setTitle(e.target.value)}
+            required
+          />
+          <textarea
+            placeholder="正文…"
+            value={body}
+            onChange={(e) => setBody(e.target.value)}
+            rows={4}
+            required
+          />
+          {error && <p className="error">{error}</p>}
+          <Button variant="primary" type="submit">发布</Button>
+        </form>
+      )}
+
+      {threads.length === 0 ? (
+        <EmptyState icon={<IconForum size={30} />} text="这个板块还没有帖子，来发第一帖吧。" />
+      ) : (
+        <ul className="thread-list">
+          {threads.map((t) => (
+            <li key={t.id}>
+              <Link to={`/thread/${t.id}`} className="thread-row">
+                <span className="thread-title">{t.title}</span>
+                <span className="muted thread-meta">
+                  {t.author_name} · {t.reply_count} 回复
+                </span>
+              </Link>
+            </li>
+          ))}
+        </ul>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/HomePage.tsx b/apps/web/src/pages/HomePage.tsx
new file mode 100644
index 0000000..c63c520
--- /dev/null
+++ b/apps/web/src/pages/HomePage.tsx
@@ -0,0 +1,126 @@
+import { useEffect, useState } from 'react';
+import { Link } from 'react-router-dom';
+import { api } from '../api/client';
+import type { ModelListItem } from '../types';
+import {
+  computeSpeedEvolution,
+  ERAS,
+  pickRepresentatives,
+} from '../lib/eras';
+import { Thumb } from '../components/Thumb';
+import { CategoryIcon, IconForward } from '../components/icons';
+import { fmtEra, fmtValueUnit } from '../lib/format';
+import { EvolutionCurve } from '../components/EvolutionCurve';
+
+export function HomePage() {
+  const [models, setModels] = useState<ModelListItem[]>([]);
+
+  useEffect(() => {
+    api.models({ pageSize: 1000 }).then((d) => setModels(d.items)).catch(() => {});
+  }, []);
+
+  const evo = computeSpeedEvolution(models);
+  const total = models.length;
+  const years = models
+    .map((m) => m.first_year)
+    .filter((y): y is number => typeof y === 'number');
+  const minYear = years.length ? Math.min(...years) : 1881;
+  const topSpeed = Math.max(0, ...models.map((m) => m.max_speed_value ?? 0));
+
+  return (
+    <div className="home">
+      {/* 英雄区 + 时速演进：并排一行 */}
+      <section className="hero-row">
+        <div className="hero">
+          <h1>一部跑在铁轨上的中国工业史</h1>
+          <p className="hero-sub">
+            从蒸汽的轰鸣到复兴号的风驰，跟随这条主线，看中国机车如何
+            <strong>引进、消化、再到自主领跑</strong>。
+          </p>
+          <div className="hero-stats">
+            <div>
+              <b>{total || '—'}</b>
+              <span>收录车型</span>
+            </div>
+            <div>
+              <b>{minYear}</b>
+              <span>起始年代</span>
+            </div>
+            <div>
+              <b>{topSpeed || '—'}</b>
+              <span>最高时速 km/h</span>
+            </div>
+            <div>
+              <b>4</b>
+              <span>技术时代</span>
+            </div>
+          </div>
+          <Link to="/explore" className="hero-cta">
+            进入图鉴探索 <IconForward size={16} />
+          </Link>
+        </div>
+
+        <div className="hero-evo">
+          <h2>时速的跃迁</h2>
+          <p className="muted eras-intro">
+            一条曲线读懂百年提速：从蒸汽机车的数十公里，到高铁的数百公里。
+          </p>
+          {evo.length >= 2 && <EvolutionCurve points={evo} />}
+        </div>
+      </section>
+
+      {/* 主线：四个时代章节 */}
+      <section className="eras">
+        <h2>沿着时间的铁轨</h2>
+        <div className="era-rail">
+          {ERAS.map((era, i) => {
+            const reps = pickRepresentatives(models, era, 4);
+            return (
+              <article
+                className="era"
+                key={era.key}
+                style={{ ['--accent' as string]: era.accent }}
+              >
+                <div className="era-head">
+                  <span className="era-icon">
+                    <CategoryIcon category={era.categories[0]} size={26} />
+                  </span>
+                  <div>
+                    <h3>
+                      <span className="era-step">{i + 1}</span>
+                      {era.title}
+                    </h3>
+                    <span className="era-period">{era.period}</span>
+                  </div>
+                </div>
+                <p className="era-blurb">{era.blurb}</p>
+                <div className="era-reps">
+                  {reps.map((m) => (
+                    <Link key={m.id} to={`/models/${m.id}`} className="mini">
+                      {m.cover_url ? (
+                        <img src={m.cover_url} alt={m.model_code} loading="lazy" />
+                      ) : (
+                        <Thumb category={m.category} code={m.model_code} size="sm" />
+                      )}
+                      <span className="mini-code">{m.model_code}</span>
+                      <span className="mini-meta">
+                        {fmtValueUnit(m.max_speed_value, m.max_speed_unit)} ·{' '}
+                        {fmtEra(m.first_year, m.last_year)}
+                      </span>
+                    </Link>
+                  ))}
+                </div>
+                <Link
+                  to={`/explore?category=${encodeURIComponent(era.categories[0])}`}
+                  className="era-more"
+                >
+                  探索全部{era.title.replace('时代', '')}车型 <IconForward size={14} />
+                </Link>
+              </article>
+            );
+          })}
+        </div>
+      </section>
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/IdentifyPage.tsx b/apps/web/src/pages/IdentifyPage.tsx
new file mode 100644
index 0000000..5f320d6
--- /dev/null
+++ b/apps/web/src/pages/IdentifyPage.tsx
@@ -0,0 +1,281 @@
+import { useEffect, useRef, useState } from 'react';
+import { Link } from 'react-router-dom';
+import { api } from '../api/client';
+import { useAuth } from '../lib/auth';
+import { PageHeader, Button } from '../components/ui';
+import { CategoryIcon, IconImage, IconForward, IconDelete } from '../components/icons';
+import type { Identification } from '../types';
+
+const pct = (c: number) => `${Math.round((c || 0) * 100)}%`;
+const fmtTime = (s: string) =>
+  new Date((s || '').replace(' ', 'T') + 'Z').toLocaleString('zh-CN', {
+    month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit',
+  });
+
+/** 历史记录项：含缩略图、候选、可编辑备注、删除。*/
+function HistoryItem({
+  it,
+  onSaveNote,
+  onDelete,
+}: {
+  it: Identification;
+  onSaveNote: (id: number, note: string) => Promise<void>;
+  onDelete: (id: number) => void;
+}) {
+  const [note, setNote] = useState(it.note);
+  const [saving, setSaving] = useState(false);
+  const dirty = note !== it.note;
+  const top = it.guesses[0];
+
+  return (
+    <div className="hist-item">
+      <img className="hist-thumb" src={it.url} alt={it.topCode || '识别图片'} loading="lazy" />
+      <div className="hist-body">
+        <div className="hist-head">
+          <span className="hist-code">{it.topCode || it.topName || (it.error ? '识别失败' : '未识别')}</span>
+          {top && <span className="hist-conf">{pct(top.confidence)}</span>}
+          {it.cached && <span className="hist-badge">缓存命中</span>}
+          <span className="muted hist-time">{fmtTime(it.createdAt)}</span>
+          <button className="hist-del" aria-label="删除" title="删除" onClick={() => onDelete(it.id)}>
+            <IconDelete size={15} />
+          </button>
+        </div>
+        {it.error ? (
+          <p className="error hist-err">{it.error}</p>
+        ) : (
+          it.summary && <p className="hist-summary">{it.summary}</p>
+        )}
+        {it.matches.length > 0 && (
+          <div className="hist-matches">
+            {it.matches.slice(0, 5).map((m) => (
+              <Link key={m.id} to={`/models/${m.id}`} className="hist-match">
+                <CategoryIcon category={m.category} size={14} /> {m.model_code}
+              </Link>
+            ))}
+          </div>
+        )}
+        <div className="hist-note">
+          <input
+            placeholder="加条备注 / 人工纠正…"
+            value={note}
+            onChange={(e) => setNote(e.target.value)}
+          />
+          {dirty && (
+            <Button
+              variant="ghost"
+              size="sm"
+              disabled={saving}
+              onClick={async () => {
+                setSaving(true);
+                await onSaveNote(it.id, note);
+                setSaving(false);
+              }}
+            >
+              保存
+            </Button>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export function IdentifyPage() {
+  const { user } = useAuth();
+  const [preview, setPreview] = useState('');
+  const [file, setFile] = useState<File | null>(null);
+  const [result, setResult] = useState<Identification | null>(null);
+  const [history, setHistory] = useState<Identification[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState('');
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  useEffect(() => {
+    if (user) api.identifications().then(setHistory).catch(() => {});
+    else setHistory([]);
+  }, [user]);
+
+  const pick = (f: File) => {
+    setFile(f);
+    setResult(null);
+    setError('');
+    setPreview(URL.createObjectURL(f));
+  };
+
+  const run = async () => {
+    if (!file) return;
+    setLoading(true);
+    setError('');
+    setResult(null);
+    try {
+      const r = await api.identify(file);
+      setResult(r);
+      setHistory((h) => [r, ...h]);
+    } catch (e) {
+      setError(e instanceof Error ? e.message : '识别失败');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const saveNote = async (id: number, note: string) => {
+    try {
+      const updated = await api.updateIdentification(id, note);
+      setHistory((h) => h.map((x) => (x.id === id ? updated : x)));
+    } catch {
+      /* ignore */
+    }
+  };
+
+  const del = async (id: number) => {
+    if (!window.confirm('确定删除这条识别记录？删除后不可恢复。')) return;
+    try {
+      await api.deleteIdentification(id);
+      setHistory((h) => h.filter((x) => x.id !== id));
+      setResult((r) => (r && r.id === id ? null : r));
+    } catch {
+      /* ignore */
+    }
+  };
+
+  return (
+    <div className="page">
+      <PageHeader
+        title="AI 识车"
+        subtitle="上传一张机车 / 动车组照片，由通义千问视觉模型识别车型；结果自动保存到历史。"
+      />
+
+      {!user && (
+        <div className="notice">
+          请先登录后使用 AI 识车。<Link to="/">返回首页登录</Link>。
+        </div>
+      )}
+
+      <div className="identify-layout">
+        <div className="identify-left">
+          <label className="identify-drop">
+            {preview ? (
+              <img src={preview} alt="预览" />
+            ) : (
+              <span className="identify-drop-hint">
+                <IconImage size={34} />
+                <span>点击选择一张机车照片</span>
+                <small className="muted">支持 jpg / png / webp，≤ 8MB</small>
+              </span>
+            )}
+            <input
+              ref={inputRef}
+              type="file"
+              accept="image/*"
+              hidden
+              onChange={(e) => {
+                const f = e.target.files?.[0];
+                if (f) pick(f);
+                e.target.value = '';
+              }}
+            />
+          </label>
+          <div className="identify-actions">
+            <Button variant="secondary" onClick={() => inputRef.current?.click()}>
+              选择照片
+            </Button>
+            <Button variant="primary" onClick={run} disabled={!file || !user || loading}>
+              {loading ? '识别中…' : '开始识别'}
+            </Button>
+          </div>
+        </div>
+
+        <div className="identify-right">
+          {error && <p className="error">{error}</p>}
+
+          {loading && (
+            <div className="identify-loading">
+              <span className="spinner" />
+              <p className="muted">通义千问正在分析照片特征…</p>
+            </div>
+          )}
+
+          {result?.error && <div className="notice notice-warn">{result.error}</div>}
+
+          {result && !result.error && (
+            <>
+              {result.summary && (
+                <p className="identify-summary">
+                  {result.summary}
+                  {result.cached && <span className="hist-badge">缓存命中</span>}
+                </p>
+              )}
+
+              <h2>识别候选</h2>
+              {result.guesses.length === 0 ? (
+                <p className="muted">模型未给出明确候选，可换一张更清晰的侧面照片重试。</p>
+              ) : (
+                <ol className="guess-list">
+                  {result.guesses.map((g, i) => (
+                    <li className="guess-row" key={i}>
+                      <div className="guess-head">
+                        <span className="guess-code">{g.model_code || g.name || '未知'}</span>
+                        {g.name && g.name !== g.model_code && (
+                          <span className="muted guess-name">{g.name}</span>
+                        )}
+                        <span className="guess-conf">{pct(g.confidence)}</span>
+                      </div>
+                      <div className="guess-bar">
+                        <span style={{ width: pct(g.confidence) }} />
+                      </div>
+                      {g.reason && <p className="guess-reason muted">{g.reason}</p>}
+                    </li>
+                  ))}
+                </ol>
+              )}
+
+              {result.matches.length > 0 && (
+                <>
+                  <h2>图鉴中的相关车型</h2>
+                  <div className="match-list">
+                    {result.matches.map((m) => (
+                      <Link key={m.id} to={`/models/${m.id}`} className="match-card">
+                        <CategoryIcon category={m.category} size={20} />
+                        <span className="match-code">{m.model_code}</span>
+                        <span className="muted match-cat">{m.category}</span>
+                        <IconForward size={14} />
+                      </Link>
+                    ))}
+                  </div>
+                </>
+              )}
+
+              <p className="muted identify-foot">
+                结果由通义千问视觉模型生成，仅供参考，可能存在误判；欢迎到对应词条核对与纠正。
+              </p>
+            </>
+          )}
+
+          {!result && !loading && !error && (
+            <div className="identify-placeholder muted">
+              <IconImage size={40} />
+              <p>选择照片后点击「开始识别」，AI 会给出车型候选与置信度。</p>
+            </div>
+          )}
+        </div>
+      </div>
+
+      {user && (
+        <section className="identify-history">
+          <div className="gallery-head">
+            <h2>识别历史（{history.length}）</h2>
+          </div>
+          {history.length === 0 ? (
+            <p className="muted">还没有识别记录。上传照片识别后会自动保存在这里。</p>
+          ) : (
+            <div className="hist-list">
+              {history.map((it) => (
+                <HistoryItem key={it.id} it={it} onSaveNote={saveNote} onDelete={del} />
+              ))}
+            </div>
+          )}
+        </section>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/LeaderboardPage.tsx b/apps/web/src/pages/LeaderboardPage.tsx
new file mode 100644
index 0000000..31ccb46
--- /dev/null
+++ b/apps/web/src/pages/LeaderboardPage.tsx
@@ -0,0 +1,37 @@
+import { useEffect, useState } from 'react';
+import { api } from '../api/client';
+import { ROLE_LABEL } from '../lib/auth';
+import { PageHeader, EmptyState } from '../components/ui';
+import { IconTrophy } from '../components/icons';
+import type { LeaderboardEntry } from '../types';
+
+export function LeaderboardPage() {
+  const [rows, setRows] = useState<LeaderboardEntry[]>([]);
+  const [error, setError] = useState('');
+
+  useEffect(() => {
+    api.leaderboard(50).then(setRows).catch((e) => setError(String(e)));
+  }, []);
+
+  return (
+    <div className="page">
+      <PageHeader title="贡献榜" subtitle="众包共建者的荣誉墙 · 按累计贡献积分排名。" />
+      {error && <p className="error">{error}</p>}
+      {rows.length === 0 ? (
+        <EmptyState icon={<IconTrophy size={30} />} text="还没有贡献者。成为第一个编辑词条的人吧！" />
+      ) : (
+        <ol className="leaderboard">
+          {rows.map((r) => (
+            <li key={r.id} className={`lb-row rank-${r.rank}`}>
+              <span className="lb-rank">{r.rank}</span>
+              <span className="lb-name">{r.displayName}</span>
+              <span className="chip">{r.title}</span>
+              <span className="muted lb-role">{ROLE_LABEL[r.role] ?? r.role}</span>
+              <span className="lb-points">{r.points}</span>
+            </li>
+          ))}
+        </ol>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/ListPage.tsx b/apps/web/src/pages/ListPage.tsx
new file mode 100644
index 0000000..6b95528
--- /dev/null
+++ b/apps/web/src/pages/ListPage.tsx
@@ -0,0 +1,156 @@
+import { useEffect, useMemo, useState } from 'react';
+import { useSearchParams } from 'react-router-dom';
+import { api } from '../api/client';
+import type { Category, ModelListItem, ModelQuery, Paged } from '../types';
+import { FilterBar } from '../components/FilterBar';
+import { TimelineView } from '../components/TimelineView';
+import { GalleryView } from '../components/GalleryView';
+import { useCollection } from '../lib/useCollection';
+import { IconGallery, IconTimeline, IconFilter } from '../components/icons';
+import { Button } from '../components/ui';
+
+type ViewMode = 'gallery' | 'timeline';
+
+export function ListPage() {
+  const [searchParams, setSearchParams] = useSearchParams();
+  const [categories, setCategories] = useState<Category[]>([]);
+  const [query, setQuery] = useState<ModelQuery>({
+    page: 1,
+    pageSize: 1000,
+    sort: 'first_year',
+    order: 'asc',
+    category: searchParams.get('category') ?? undefined,
+  });
+  const [data, setData] = useState<Paged<ModelListItem> | null>(null);
+  const [view, setView] = useState<ViewMode>('gallery');
+  const [showFilters, setShowFilters] = useState(false);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState('');
+  const [kw, setKw] = useState('');
+  const { collectedIds, toggle } = useCollection();
+
+  useEffect(() => {
+    api.categories().then(setCategories).catch(() => {});
+  }, []);
+
+  // URL ?category= 变化时同步（从首页章节跳入）
+  useEffect(() => {
+    const cat = searchParams.get('category') ?? undefined;
+    setQuery((q) => (q.category === cat ? q : { ...q, category: cat, page: 1 }));
+  }, [searchParams]);
+
+  useEffect(() => {
+    setLoading(true);
+    setError('');
+    api
+      .models(query)
+      .then(setData)
+      .catch((e) => setError(String(e)))
+      .finally(() => setLoading(false));
+  }, [query]);
+
+  const patch = (p: Partial<ModelQuery>) => {
+    setQuery((q) => ({ ...q, ...p, page: 1 }));
+    // 任意筛选变化都回到图鉴第 1 页
+    const next = new URLSearchParams(searchParams);
+    next.delete('gp');
+    if ('category' in p) {
+      if (p.category) next.set('category', p.category);
+      else next.delete('category');
+    }
+    setSearchParams(next, { replace: true });
+  };
+
+  // 图鉴分页：页码存于 URL ?gp=，从详情返回时可回到原页
+  const galleryPage = Math.max(1, Number(searchParams.get('gp')) || 1);
+  const setGalleryPage = (gp: number) => {
+    const next = new URLSearchParams(searchParams);
+    if (gp <= 1) next.delete('gp');
+    else next.set('gp', String(gp));
+    setSearchParams(next, { replace: true });
+  };
+
+  // 关键字（型号）输入防抖 → query.q
+  useEffect(() => {
+    const t = setTimeout(() => {
+      setQuery((q) =>
+        q.q === (kw || undefined) ? q : { ...q, q: kw || undefined, page: 1 },
+      );
+    }, 300);
+    return () => clearTimeout(t);
+  }, [kw]);
+
+  const activeFilterCount = useMemo(() => {
+    let n = 0;
+    if (query.category) n++;
+    if (query.status) n++;
+    if (query.country) n++;
+    if (query.yearFrom) n++;
+    if (query.yearTo) n++;
+    if (query.speedMin) n++;
+    return n;
+  }, [query]);
+
+  return (
+    <div className="page">
+      <div className="explore-bar">
+        <div className="viewswitch">
+          <button
+            className={view === 'gallery' ? 'active' : ''}
+            onClick={() => setView('gallery')}
+          >
+            <IconGallery size={16} /> 图鉴
+          </button>
+          <button
+            className={view === 'timeline' ? 'active' : ''}
+            onClick={() => setView('timeline')}
+          >
+            <IconTimeline size={16} /> 时间轴
+          </button>
+        </div>
+        <input
+          className="kw-input"
+          type="search"
+          placeholder="输入型号 / 关键字筛选…"
+          value={kw}
+          onChange={(e) => {
+            setKw(e.target.value);
+            setGalleryPage(1);
+          }}
+        />
+        <Button
+          variant="secondary"
+          className="filter-toggle"
+          onClick={() => setShowFilters((s) => !s)}
+        >
+          <IconFilter size={16} /> 筛选{activeFilterCount ? ` · ${activeFilterCount}` : ''}
+        </Button>
+        {data && <span className="result-count muted">{data.total} 个车型</span>}
+      </div>
+
+      {showFilters && (
+        <div className="filter-panel">
+          <FilterBar categories={categories} query={query} onChange={patch} />
+        </div>
+      )}
+
+      {error && <p className="error">加载失败：{error}</p>}
+      {loading && <p className="muted">加载中…</p>}
+
+      {data && !loading && (
+        <>
+          {view === 'gallery' && (
+            <GalleryView
+              models={data.items}
+              collectedIds={collectedIds}
+              onToggle={toggle}
+              page={galleryPage}
+              onPage={setGalleryPage}
+            />
+          )}
+          {view === 'timeline' && <TimelineView models={data.items} />}
+        </>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/MapPage.tsx b/apps/web/src/pages/MapPage.tsx
new file mode 100644
index 0000000..62b09f1
--- /dev/null
+++ b/apps/web/src/pages/MapPage.tsx
@@ -0,0 +1,124 @@
+import { useEffect, useRef, useState } from 'react';
+import { Link } from 'react-router-dom';
+import maplibregl from 'maplibre-gl';
+import 'maplibre-gl/dist/maplibre-gl.css';
+import { api } from '../api/client';
+import { PageHeader, EmptyState } from '../components/ui';
+import type { Sighting, Spot } from '../types';
+
+// OpenStreetMap 栅格瓦片（免费，需署名；遵守 OSM 瓦片使用政策）
+const OSM_STYLE: maplibregl.StyleSpecification = {
+  version: 8,
+  sources: {
+    osm: {
+      type: 'raster',
+      tiles: ['https://tile.openstreetmap.org/{z}/{x}/{y}.png'],
+      tileSize: 256,
+      attribution: '© OpenStreetMap contributors',
+    },
+  },
+  layers: [{ id: 'osm', type: 'raster', source: 'osm' }],
+};
+
+export function MapPage() {
+  const mapEl = useRef<HTMLDivElement>(null);
+  const mapRef = useRef<maplibregl.Map | null>(null);
+  const [sightings, setSightings] = useState<Sighting[]>([]);
+  const [spots, setSpots] = useState<Spot[]>([]);
+
+  useEffect(() => {
+    api.recentSightings(100).then(setSightings).catch(() => {});
+    api.spots().then(setSpots).catch(() => {});
+  }, []);
+
+  useEffect(() => {
+    if (!mapEl.current || mapRef.current) return;
+    const map = new maplibregl.Map({
+      container: mapEl.current,
+      style: OSM_STYLE,
+      center: [104.0, 35.5], // 中国中心
+      zoom: 3.2,
+    });
+    map.addControl(new maplibregl.NavigationControl(), 'top-right');
+    mapRef.current = map;
+    return () => {
+      map.remove();
+      mapRef.current = null;
+    };
+  }, []);
+
+  // 数据变化时绘制标记
+  useEffect(() => {
+    const map = mapRef.current;
+    if (!map) return;
+    const markers: maplibregl.Marker[] = [];
+    for (const s of sightings) {
+      if (typeof s.lat !== 'number' || typeof s.lng !== 'number') continue;
+      const popup = new maplibregl.Popup({ offset: 18 }).setHTML(
+        `<strong>${s.model_code}</strong><br/>${s.station || '未知地点'}<br/>` +
+          `<span style="color:#888">${s.user_name} · ${s.car_number || ''}</span>`,
+      );
+      const m = new maplibregl.Marker({ color: '#4ea1ff' })
+        .setLngLat([s.lng, s.lat])
+        .setPopup(popup)
+        .addTo(map);
+      markers.push(m);
+    }
+    return () => markers.forEach((m) => m.remove());
+  }, [sightings]);
+
+  return (
+    <div className="page map-page">
+      <PageHeader title="打卡地图" subtitle="爱好者目击打卡的聚合地图 · 看看哪里能拍到什么车。" />
+      <div className="map-layout">
+        <div ref={mapEl} className="map-canvas" data-testid="map" />
+        <aside className="map-feed">
+          <h2>最新打卡</h2>
+          {sightings.length === 0 ? (
+            <p className="muted">还没有打卡。去车型详情页打卡第一笔吧。</p>
+          ) : (
+            <ul className="feed-list">
+              {sightings.map((s) => (
+                <li key={s.id}>
+                  <Link to={`/models/${s.model_id}`} className="feed-item">
+                    <b>{s.model_code}</b>
+                    <span className="muted"> @ {s.station || '未知'}</span>
+                    <div className="muted feed-sub">
+                      {s.user_name} · {s.car_number || '—'}
+                    </div>
+                  </Link>
+                </li>
+              ))}
+            </ul>
+          )}
+        </aside>
+      </div>
+
+      <section className="d-section spots-section">
+        <h2>拍车攻略 · 热门打卡点</h2>
+        {spots.length === 0 ? (
+          <p className="muted">还没有足够的打卡数据生成攻略。多打卡，这里会推荐"在哪能拍到什么车"。</p>
+        ) : (
+          <div className="spots">
+            {spots.slice(0, 12).map((s) => (
+              <div className="spot" key={s.station}>
+                <div className="spot-head">
+                  <b>{s.station}</b>
+                  <span className="muted">{s.total} 次</span>
+                </div>
+                <div className="spot-models">
+                  {s.models.map((m) => (
+                    <Link key={m.model_id} to={`/models/${m.model_id}`} className="chip">
+                      {m.model_code}
+                      {m.count > 1 ? ` ×${m.count}` : ''}
+                    </Link>
+                  ))}
+                </div>
+              </div>
+            ))}
+          </div>
+        )}
+      </section>
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/ProfilePage.tsx b/apps/web/src/pages/ProfilePage.tsx
new file mode 100644
index 0000000..34ffb99
--- /dev/null
+++ b/apps/web/src/pages/ProfilePage.tsx
@@ -0,0 +1,119 @@
+import { useEffect, useState } from 'react';
+import { Link } from 'react-router-dom';
+import { api } from '../api/client';
+import { ROLE_LABEL, useAuth } from '../lib/auth';
+import { useCollection } from '../lib/useCollection';
+import { useFollow } from '../lib/useFollow';
+import { Button } from '../components/ui';
+import { IconTrophy, IconBack, IconForward } from '../components/icons';
+import type { Sighting, UserStats } from '../types';
+
+export function ProfilePage() {
+  const { user, logout } = useAuth();
+  const { count } = useCollection();
+  const { followIds } = useFollow();
+  const [stats, setStats] = useState<UserStats | null>(null);
+  const [alerts, setAlerts] = useState<Sighting[]>([]);
+
+  useEffect(() => {
+    if (user) api.auth.me().then(setStats).catch(() => {});
+  }, [user]);
+
+  useEffect(() => {
+    if (followIds.size === 0) {
+      setAlerts([]);
+      return;
+    }
+    api
+      .recentSightings(100)
+      .then((all) => setAlerts(all.filter((s) => followIds.has(s.model_id)).slice(0, 10)))
+      .catch(() => {});
+  }, [followIds]);
+
+  if (!user) {
+    return (
+      <div className="page">
+        <p className="muted">请先登录后查看个人主页。</p>
+        <Link to="/" className="back"><IconBack size={14} /> 返回首页</Link>
+      </div>
+    );
+  }
+
+  const s = stats;
+  const pts = s?.contributionPoints ?? user.contributionPoints;
+  const next = s?.level.nextThreshold ?? null;
+  const min = s?.level.min ?? 0;
+  const pct = next ? Math.min(100, Math.round(((pts - min) / (next - min)) * 100)) : 100;
+
+  return (
+    <div className="page profile">
+      <div className="profile-head">
+        <div className="avatar">{user.displayName.slice(0, 1)}</div>
+        <div>
+          <h1>{user.displayName}</h1>
+          <span className="chip">{s?.level.title ?? ROLE_LABEL[user.role]}</span>
+          <span className="chip">{ROLE_LABEL[user.role] ?? user.role}</span>
+          <p className="muted">{user.email}</p>
+        </div>
+        <Button variant="secondary" onClick={logout}>退出登录</Button>
+      </div>
+
+      <div className="level-bar">
+        <div className="level-bar-head">
+          <span>等级 L{s?.level.level ?? 1} · {s?.level.title ?? '见习巡道员'}</span>
+          <span className="muted">
+            {next ? `${pts} / ${next} 升级` : `${pts} · 已满级`}
+          </span>
+        </div>
+        <div className="progress-track">
+          <div className="progress-fill" style={{ width: `${pct}%` }} />
+        </div>
+      </div>
+
+      <div className="profile-stats">
+        <div><b>{pts}</b><span>贡献积分</span></div>
+        <div><b>{s?.approvedCount ?? 0}</b><span>被采纳修订</span></div>
+        <div><b>{count}</b><span>已收集车型</span></div>
+        <div>
+          <b>{new Date(user.createdAt + 'Z').toLocaleDateString('zh-CN')}</b>
+          <span>加入日期</span>
+        </div>
+      </div>
+
+      <h2>徽章</h2>
+      {s && s.badges.length > 0 ? (
+        <div className="badges">
+          {s.badges.map((b) => (
+            <span className="badge" key={b.key}><IconTrophy size={14} /> {b.label}</span>
+          ))}
+        </div>
+      ) : (
+        <p className="muted">还没有徽章。提交被采纳的修订即可点亮「首改采纳」。</p>
+      )}
+
+      <p className="muted profile-foot">
+        <Link to="/leaderboard">查看贡献榜 <IconForward size={13} /></Link>
+      </p>
+
+      <h2>关注的车型 · 最新目击</h2>
+      {followIds.size === 0 ? (
+        <p className="muted">
+          还没有关注的车型。在车型详情页点「☆ 关注」，这里会汇总它们的最新目击打卡（稀有车提醒的轻量版）。
+        </p>
+      ) : alerts.length === 0 ? (
+        <p className="muted">已关注 {followIds.size} 个车型，暂无新目击。</p>
+      ) : (
+        <ul className="feed-list">
+          {alerts.map((s) => (
+            <li key={s.id}>
+              <Link to={`/models/${s.model_id}`} className="feed-item">
+                <b>{s.model_code}</b>
+                <span className="muted"> @ {s.station || '未知'} · {s.user_name}</span>
+              </Link>
+            </li>
+          ))}
+        </ul>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/ReviewPage.tsx b/apps/web/src/pages/ReviewPage.tsx
new file mode 100644
index 0000000..4abe206
--- /dev/null
+++ b/apps/web/src/pages/ReviewPage.tsx
@@ -0,0 +1,68 @@
+import { useEffect, useState } from 'react';
+import { Link } from 'react-router-dom';
+import { api } from '../api/client';
+import { useAuth } from '../lib/auth';
+import { PageHeader, EmptyState } from '../components/ui';
+import { IconBack } from '../components/icons';
+import type { Revision } from '../types';
+import { RevisionList } from '../components/RevisionList';
+
+const RANK: Record<string, number> = {
+  guest: 0, user: 1, trusted: 2, moderator: 3, admin: 4,
+};
+
+export function ReviewPage() {
+  const { user } = useAuth();
+  const [revs, setRevs] = useState<Revision[]>([]);
+  const [error, setError] = useState('');
+  const [msg, setMsg] = useState('');
+
+  const canReview = !!user && RANK[user.role] >= RANK.moderator;
+
+  const load = () => {
+    api.pendingRevisions().then(setRevs).catch((e) => setError(String(e)));
+  };
+
+  useEffect(() => {
+    if (canReview) load();
+  }, [canReview]);
+
+  if (!user)
+    return (
+      <div className="page">
+        <p className="muted">请先登录。</p>
+        <Link to="/" className="back"><IconBack size={14} /> 返回首页</Link>
+      </div>
+    );
+  if (!canReview)
+    return (
+      <div className="page">
+        <p className="muted">需要版主及以上权限才能审核。</p>
+        <Link to="/" className="back"><IconBack size={14} /> 返回首页</Link>
+      </div>
+    );
+
+  const act = async (id: number, kind: 'approve' | 'reject') => {
+    try {
+      if (kind === 'approve') await api.approveRevision(id);
+      else await api.rejectRevision(id);
+      setMsg(kind === 'approve' ? '已通过' : '已驳回');
+      setRevs((rs) => rs.filter((r) => r.id !== id));
+    } catch (e) {
+      setError(String(e));
+    }
+  };
+
+  return (
+    <div className="page">
+      <PageHeader title="审核队列" subtitle="待审核的众包修改。通过后立即生效并为作者计分。" />
+      {error && <p className="error">{error}</p>}
+      {msg && <p className="muted">{msg}</p>}
+      <RevisionList
+        revisions={revs}
+        onApprove={(id) => act(id, 'approve')}
+        onReject={(id) => act(id, 'reject')}
+      />
+    </div>
+  );
+}
diff --git a/apps/web/src/pages/ThreadPage.tsx b/apps/web/src/pages/ThreadPage.tsx
new file mode 100644
index 0000000..970f2b0
--- /dev/null
+++ b/apps/web/src/pages/ThreadPage.tsx
@@ -0,0 +1,82 @@
+import { useEffect, useState } from 'react';
+import { Link, useParams } from 'react-router-dom';
+import { api } from '../api/client';
+import { useAuth } from '../lib/auth';
+import { Button } from '../components/ui';
+import { IconBack } from '../components/icons';
+import type { Thread } from '../types';
+
+export function ThreadPage() {
+  const { id } = useParams();
+  const { user } = useAuth();
+  const [thread, setThread] = useState<Thread | null>(null);
+  const [body, setBody] = useState('');
+  const [error, setError] = useState('');
+
+  useEffect(() => {
+    if (id) api.thread(Number(id)).then(setThread).catch((e) => setError(String(e)));
+  }, [id]);
+
+  const reply = async (e: React.FormEvent) => {
+    e.preventDefault();
+    if (!id) return;
+    setError('');
+    try {
+      const updated = await api.addReply(Number(id), body);
+      setThread(updated);
+      setBody('');
+    } catch (err) {
+      setError(err instanceof Error ? err.message : '回复失败');
+    }
+  };
+
+  if (error) return <p className="error">{error}</p>;
+  if (!thread) return <p className="muted">加载中…</p>;
+
+  const fmt = (s: string) => new Date(s + 'Z').toLocaleString('zh-CN');
+
+  return (
+    <div className="page thread-page">
+      <Link to={thread.model_id ? `/models/${thread.model_id}` : '/community'} className="back">
+        <IconBack size={14} /> 返回
+      </Link>
+      <h1>{thread.title}</h1>
+      <div className="post op">
+        <div className="post-head">
+          <b>{thread.author_name}</b>
+          <span className="muted">{fmt(thread.created_at)}</span>
+        </div>
+        <p className="post-body">{thread.body}</p>
+      </div>
+
+      <h2>{thread.reply_count} 条回复</h2>
+      <div className="replies">
+        {thread.replies?.map((r) => (
+          <div className="post" key={r.id}>
+            <div className="post-head">
+              <b>{r.author_name}</b>
+              <span className="muted">{fmt(r.created_at)}</span>
+            </div>
+            <p className="post-body">{r.body}</p>
+          </div>
+        ))}
+      </div>
+
+      {user ? (
+        <form className="reply-form" onSubmit={reply}>
+          <textarea
+            placeholder="写下你的回复…"
+            value={body}
+            onChange={(e) => setBody(e.target.value)}
+            rows={3}
+            required
+          />
+          {error && <p className="error">{error}</p>}
+          <Button variant="primary" type="submit">回复</Button>
+        </form>
+      ) : (
+        <p className="muted">登录后可参与讨论。</p>
+      )}
+    </div>
+  );
+}
diff --git a/apps/web/src/styles.css b/apps/web/src/styles.css
new file mode 100644
index 0000000..c1f0697
--- /dev/null
+++ b/apps/web/src/styles.css
@@ -0,0 +1,836 @@
+:root {
+  --bg: #0d0f14;
+  --panel: #161922;
+  --panel2: #1e222c;
+  --line: #2a2f3a;
+  --line-strong: #3a4150;
+  --text: #e8eaee;
+  --muted: #8b93a1;
+  --accent: #4ea1ff;
+  --accent-press: #3b8ae6;
+  --green: #4ade80;
+  --amber: #fbbf24;
+  --danger: #f87171;
+  /* 间距刻度 */
+  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px; --s7: 48px;
+  /* 圆角 */
+  --r1: 8px; --r2: 12px; --r3: 16px; --rpill: 999px;
+  /* 阴影 */
+  --shadow1: 0 1px 3px rgba(0,0,0,.3);
+  --shadow2: 0 8px 24px -8px rgba(0,0,0,.5);
+  --ring: 0 0 0 3px rgba(78,161,255,.25);
+}
+* { box-sizing: border-box; }
+body {
+  margin: 0;
+  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
+  background: var(--bg);
+  color: var(--text);
+  -webkit-font-smoothing: antialiased;
+}
+:focus-visible { outline: none; box-shadow: var(--ring); border-radius: var(--r1); }
+a { color: inherit; text-decoration: none; }
+.app { max-width: 1200px; margin: 0 auto; padding: 0 16px 48px; }
+
+.topbar {
+  display: flex; align-items: center; gap: 16px;
+  padding: 12px 0; position: sticky; top: 0; background: rgba(13,15,20,.85);
+  backdrop-filter: blur(10px);
+  border-bottom: 1px solid var(--line); z-index: 50;
+}
+.brand { font-size: 19px; font-weight: 700; display: inline-flex; align-items: center; gap: 8px; }
+.brand svg { color: var(--accent); }
+.mainnav { display: flex; align-items: center; gap: 2px; margin-left: 8px; }
+.nav-top {
+  display: inline-flex; align-items: center; gap: 4px;
+  padding: 7px 14px; border-radius: var(--rpill); font-size: 14px; color: var(--muted);
+  background: none; border: none; cursor: pointer; font-family: inherit;
+}
+.nav-top:hover { color: var(--text); background: var(--panel2); }
+.nav-top.active { color: var(--text); }
+a.nav-top.active { background: var(--panel2); }
+.nav-trigger .caret { font-size: 10px; opacity: .7; }
+.nav-group { position: relative; }
+.nav-dropdown {
+  position: absolute; top: calc(100% + 6px); left: 0; min-width: 160px; z-index: 60;
+  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r2);
+  box-shadow: var(--shadow2); padding: 6px; display: flex; flex-direction: column;
+  animation: pop .12s ease-out;
+}
+@keyframes pop { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
+.nav-item { padding: 9px 12px; border-radius: var(--r1); font-size: 14px; color: var(--text); white-space: nowrap; }
+.nav-item:hover { background: var(--panel2); }
+.nav-item.active { color: var(--accent); }
+.searchbox { position: relative; margin-left: auto; width: 300px; max-width: 38%; }
+.searchbox input {
+  width: 100%; padding: 8px 12px; border-radius: 8px;
+  border: 1px solid var(--line); background: var(--panel); color: var(--text);
+}
+.search-dropdown {
+  position: absolute; top: 110%; left: 0; right: 0; margin: 0; padding: 6px;
+  list-style: none; background: var(--panel2); border: 1px solid var(--line);
+  border-radius: 8px; max-height: 320px; overflow: auto;
+}
+.search-dropdown li { padding: 8px 10px; border-radius: 6px; cursor: pointer; }
+.search-dropdown li:hover { background: var(--panel); }
+
+.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 16px 0; }
+.filterbar { display: flex; flex-wrap: wrap; gap: 8px; }
+.filterbar select, .filterbar input {
+  padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line);
+  background: var(--panel); color: var(--text);
+}
+.filterbar input { width: 92px; }
+.viewswitch { margin-left: auto; display: flex; gap: 4px; }
+.viewswitch button, .pagination button {
+  padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line);
+  background: var(--panel); color: var(--text); cursor: pointer;
+  display: inline-flex; align-items: center; gap: 6px;
+}
+.viewswitch button.active { background: var(--accent); border-color: var(--accent); color: #06121f; }
+
+.grid {
+  display: grid; gap: 12px;
+  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
+}
+.gallery {
+  display: grid; gap: 14px;
+  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
+}
+.card {
+  display: block; background: var(--panel); border: 1px solid var(--line);
+  border-radius: 12px; padding: 14px; transition: border-color .15s, transform .15s;
+}
+.card:hover { border-color: var(--accent); transform: translateY(-2px); }
+.card-head { display: flex; justify-content: space-between; align-items: center; }
+.card-code { font-size: 18px; font-weight: 700; }
+.card-cat { color: var(--muted); font-size: 12px; margin: 6px 0 10px; }
+.card-spec { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; margin: 0; }
+.card-spec dt { color: var(--muted); font-size: 11px; }
+.card-spec dd { margin: 0; font-size: 14px; }
+.card-maker { margin-top: 10px; font-size: 12px; color: var(--muted);
+  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
+
+.tag { font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
+.tag-green { color: #4ade80; border-color: #2e6b46; }
+.tag-amber { color: #fbbf24; border-color: #6b552e; }
+.tag-gray { color: #9aa3b2; }
+.tag-blue { color: var(--accent); border-color: #2e4d6b; }
+.tag-purple { color: #c084fc; border-color: #4d2e6b; }
+
+.pagination { display: flex; gap: 12px; align-items: center; justify-content: center; margin: 24px 0; }
+.muted { color: var(--muted); }
+.error { color: #f87171; }
+
+/* 时间轴 */
+.timeline { margin-top: 12px; }
+.timeline-axis { position: relative; height: 24px; margin-left: 96px; border-bottom: 1px solid var(--line); }
+.timeline-axis .tick { position: absolute; transform: translateX(-50%); font-size: 11px; color: var(--muted); }
+.lane { display: flex; align-items: center; margin: 10px 0; }
+.lane-label { width: 96px; flex: none; font-size: 13px; color: var(--muted); }
+.lane-track { position: relative; height: 34px; flex: 1; background: var(--panel); border-radius: 8px; }
+.node { position: absolute; transform: translateX(-50%);
+  display: flex; flex-direction: column; align-items: center; gap: 2px;
+  background: none; border: none; cursor: pointer; color: var(--text); z-index: 1; }
+.node:hover { z-index: 10; }
+.node-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
+.node-label { font-size: 10px; white-space: nowrap; opacity: 0; transition: opacity .1s; pointer-events: none; }
+.node:hover .node-label { opacity: 1; }
+
+/* 图鉴 */
+.collect-progress { display: flex; align-items: center; gap: 12px; margin: 4px 0 16px; font-size: 13px; color: var(--muted); }
+.collect-progress strong { color: #4ade80; }
+.progress-track { flex: 1; height: 8px; background: var(--panel2); border-radius: 999px; overflow: hidden; }
+.progress-fill { height: 100%; background: linear-gradient(90deg, #2e7d52, #4ade80); transition: width .25s; }
+
+/* 收藏卡：trading-card 比例 + 满幅图 + 浮层标题，与列表参数卡形态区分 */
+.gcard {
+  position: relative; border-radius: 14px; overflow: hidden;
+  aspect-ratio: 3 / 4; background: #0c0e12;
+  border: 1px solid var(--line);
+  transition: transform .15s, box-shadow .2s, border-color .2s;
+}
+.gcard:hover { transform: translateY(-4px) scale(1.015); border-color: var(--accent); }
+.gcard.collected {
+  border-color: #3fae6e;
+  box-shadow: 0 0 0 1px #3fae6e66, 0 0 18px -4px #3fae6e99;
+}
+.gcard-art { position: absolute; inset: 0; display: block; }
+.gcard-art img {
+  width: 100%; height: 100%; object-fit: cover; display: block;
+  filter: grayscale(0.85) brightness(0.45) contrast(0.95); transition: filter .25s, transform .25s;
+}
+.gcard:hover .gcard-art img { transform: scale(1.06); }
+.gcard.collected .gcard-art img { filter: none; }
+.gcard.bright .gcard-art img { filter: none; }
+
+/* 缩略图（渐变 + 专业图标） */
+.thumb { width: 100%; height: 100%; display: grid; place-items: center; }
+.thumb-glyph { color: #fff; opacity: .9; }
+.gcard .thumb-glyph { opacity: .42; transition: opacity .25s, transform .25s; }
+.gcard:hover .thumb-glyph { transform: scale(1.08); }
+.gcard.collected .thumb-glyph { opacity: .95; }
+
+/* 编号徽章（图鉴序号） */
+.gcard-no {
+  position: absolute; top: 8px; left: 8px; z-index: 3;
+  font-size: 11px; font-weight: 700; letter-spacing: .5px;
+  padding: 2px 7px; border-radius: 999px;
+  background: rgba(0,0,0,.55); color: #cdd5e0; backdrop-filter: blur(2px);
+}
+/* 收集星标按钮（角标式） */
+.gcard-collect {
+  position: absolute; top: 6px; right: 6px; z-index: 3;
+  width: 30px; height: 30px; display: grid; place-items: center;
+  border-radius: 50%; cursor: pointer;
+  border: 1px solid rgba(255,255,255,.18); background: rgba(0,0,0,.5);
+  color: #e6e8ec; backdrop-filter: blur(2px); transition: background .15s, color .15s;
+}
+.gcard-collect:hover { background: rgba(0,0,0,.75); }
+.gcard.collected .gcard-collect { background: #1d3a2a; border-color: #3fae6e; color: #ffd55a; }
+
+/* 底部名称浮层 */
+.gcard-caption {
+  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
+  padding: 22px 10px 10px; display: flex; flex-direction: column; gap: 2px;
+  background: linear-gradient(to top, rgba(0,0,0,.82), transparent);
+}
+.gcard .gcard-code { font-size: 15px; font-weight: 700; color: #fff; }
+.gcard .gcard-meta { font-size: 11px; color: #c2c9d4; }
+
+/* 详情 */
+.detail { padding-top: 16px; max-width: 920px; margin: 0 auto; }
+.back { color: var(--accent); font-size: 13px; background: none; border: none; padding: 0; cursor: pointer; font-family: inherit; display: inline-flex; align-items: center; gap: 4px; }
+.back:hover { text-decoration: underline; }
+.detail-hero {
+  display: flex; gap: 20px; align-items: stretch; margin: 14px 0 28px;
+  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
+  overflow: hidden;
+}
+.detail-thumb { width: 200px; flex: none; }
+.detail-thumb .thumb { height: 100%; min-height: 150px; }
+.detail-thumb .thumb-glyph { opacity: .9; }
+.detail-hero-img { width: 100%; height: 100%; min-height: 150px; object-fit: cover; display: block; }
+.detail-head { padding: 18px 18px 18px 0; display: flex; flex-direction: column; gap: 8px; }
+.detail-title { display: flex; align-items: center; gap: 10px; }
+.detail-title svg { color: var(--accent); }
+.detail-title h1 { margin: 0; font-size: 28px; }
+.detail-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
+.detail-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
+.chip {
+  font-size: 12px; padding: 3px 10px; border-radius: 999px;
+  background: var(--panel2); border: 1px solid var(--line); color: #c2c9d4;
+  display: inline-flex; align-items: center; gap: 4px;
+}
+.d-section { margin: 0 0 26px; }
+.d-section h2 { font-size: 18px; margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
+.d-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px 18px; margin: 0; }
+.d-row { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
+.d-row dt { color: var(--muted); font-size: 13px; }
+.d-row dd { margin: 0; font-size: 14px; text-align: right; }
+.d-row.empty dd { color: var(--muted); }
+.foot { margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 12px; text-align: center; }
+
+@media (max-width: 640px) {
+  .detail-hero { flex-direction: column; }
+  .detail-thumb { width: 100%; }
+  .detail-head { padding: 0 16px 16px; }
+}
+
+/* ===== 叙事首页 ===== */
+.home { padding-bottom: 40px; }
+
+/* 英雄区 + 时速演进 并排一行 */
+.hero-row {
+  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
+  gap: 32px; align-items: center; padding: 40px 0 32px;
+  background:
+    radial-gradient(900px 400px at 25% -10%, #1b3654aa, transparent),
+    radial-gradient(700px 360px at 85% 120%, #14352f88, transparent);
+}
+.hero-row .hero { padding: 0; background: none; text-align: left; }
+.hero-row .hero-sub { margin-left: 0; margin-right: 0; }
+.hero-row .hero-stats { justify-content: flex-start; }
+.hero-evo { min-width: 0; }
+.hero-evo h2 { font-size: 22px; margin: 0 0 6px; }
+.hero-evo .eras-intro { text-align: left; max-width: none; margin: 0 0 10px; }
+@media (max-width: 860px) {
+  .hero-row { grid-template-columns: 1fr; gap: 20px; }
+  .hero-row .hero, .hero-row .hero-evo, .hero-row .hero-evo .eras-intro { text-align: center; }
+  .hero-row .hero-stats { justify-content: center; }
+}
+
+.hero {
+  text-align: center; padding: 48px 16px 36px;
+  background:
+    radial-gradient(900px 400px at 50% -10%, #1b3654aa, transparent),
+    radial-gradient(700px 360px at 50% 120%, #14352f88, transparent);
+}
+.hero h1 { font-size: 36px; line-height: 1.2; margin: 0 0 12px; letter-spacing: 1px; }
+.hero-sub { max-width: 640px; margin: 0 auto 20px; color: #c2c9d4; font-size: 16px; line-height: 1.6; }
+.hero-sub strong { color: var(--accent); }
+.hero-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 28px; margin-bottom: 24px; }
+.hero-stats div { display: flex; flex-direction: column; }
+.hero-stats b { font-size: 26px; color: #fff; }
+.hero-stats span { font-size: 12px; color: var(--muted); margin-top: 2px; }
+.hero-cta {
+  display: inline-flex; align-items: center; gap: 6px; padding: 12px 26px; border-radius: 999px;
+  background: var(--accent); color: #06121f; font-weight: 700; font-size: 15px;
+  transition: transform .15s, box-shadow .2s;
+}
+.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px -8px var(--accent); }
+
+.evo-section { max-width: 820px; margin: 36px auto; text-align: center; padding: 0 16px; }
+.evo-section h2, .eras h2 { font-size: 24px; margin: 0 0 8px; }
+.evo { width: 100%; height: auto; margin-top: 14px;
+  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 8px; }
+.eras-intro { text-align: center; max-width: 680px; margin: 0 auto 6px; line-height: 1.6; font-size: 14px; }
+.eras-evo { max-width: 820px; margin: 0 auto 8px; }
+
+.eras { max-width: none; margin: 32px 0 0; padding: 0; }
+.eras > h2 { text-align: center; }
+.era-rail { display: flex; flex-direction: column; gap: 18px; margin-top: 20px; }
+.era {
+  position: relative; padding: 18px 18px 18px 22px; border-radius: 16px;
+  background: var(--panel); border: 1px solid var(--line);
+  border-left: 4px solid var(--accent);
+}
+.era-head { display: flex; align-items: center; gap: 14px; }
+.era-icon {
+  font-size: 24px; width: 46px; height: 46px; flex: none;
+  display: grid; place-items: center; border-radius: 12px;
+  background: color-mix(in srgb, var(--accent) 22%, transparent);
+}
+.era-head h3 { margin: 0; font-size: 19px; display: flex; align-items: center; gap: 10px; }
+.era-step {
+  display: inline-grid; place-items: center; width: 24px; height: 24px;
+  border-radius: 50%; font-size: 13px; background: var(--accent); color: #06121f;
+}
+.era-period { font-size: 12px; color: var(--muted); }
+.era-blurb { color: #c2c9d4; line-height: 1.6; margin: 10px 0 12px; max-width: 760px; font-size: 14px; }
+.era-reps {
+  display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
+  margin-bottom: 12px;
+}
+.mini {
+  display: flex; flex-direction: column; border-radius: 10px; overflow: hidden;
+  background: #0c0e12; border: 1px solid var(--line); transition: transform .15s, border-color .15s;
+}
+.mini:hover { transform: translateY(-3px); border-color: var(--accent); }
+.mini img { width: 100%; aspect-ratio: 5/3; object-fit: cover; }
+.mini .thumb { width: 100%; aspect-ratio: 5/3; }
+.mini-code { font-weight: 700; font-size: 14px; padding: 8px 10px 0; }
+.mini-meta { font-size: 11px; color: var(--muted); padding: 2px 10px 10px; }
+.era-more { display: inline-flex; align-items: center; gap: 4px; color: var(--accent); font-size: 14px; font-weight: 600; }
+
+/* ===== 探索页工具条 ===== */
+.explore-bar { display: flex; align-items: center; gap: 12px; margin: 18px 0; flex-wrap: wrap; }
+.filter-toggle {
+  padding: 6px 14px; border-radius: 8px; border: 1px solid var(--line);
+  background: var(--panel); color: var(--text); cursor: pointer;
+  display: inline-flex; align-items: center; gap: 6px;
+}
+.result-count { margin-left: auto; font-size: 13px; }
+.kw-input {
+  min-width: 200px; flex: 1 1 200px; max-width: 320px;
+  padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line);
+  background: var(--panel); color: var(--text); font-size: 13px;
+}
+.kw-input:focus { outline: none; border-color: var(--accent); }
+.filter-panel {
+  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
+  padding: 14px; margin-bottom: 18px;
+}
+
+@media (max-width: 640px) {
+  .hero h1 { font-size: 30px; }
+  .hero-stats { gap: 22px; }
+  .mainnav { display: none; }
+}
+
+/* ===== 详情图册 ===== */
+.gallery-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px;
+  padding-bottom: 8px; border-bottom: 1px solid var(--line); }
+.gallery-head h2 { margin: 0; border: none; padding: 0; }
+.add-img { margin-left: auto; padding: 6px 14px; border-radius: 8px; cursor: pointer;
+  border: 1px solid var(--accent); background: transparent; color: var(--accent); font-size: 13px; }
+.add-img:hover { background: var(--accent); color: #06121f; }
+.img-empty { font-size: 13px; line-height: 1.7; }
+.img-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
+.img-cell { position: relative; aspect-ratio: 4/3; border-radius: 10px; overflow: hidden;
+  border: 1px solid var(--line); background: var(--panel2); }
+.img-cell img { width: 100%; height: 100%; object-fit: cover; cursor: zoom-in; display: block;
+  transition: transform .2s; }
+.img-cell img:hover { transform: scale(1.05); }
+.img-del { position: absolute; top: 6px; right: 6px; width: 24px; height: 24px;
+  border-radius: 50%; border: none; cursor: pointer; background: rgba(0,0,0,.6);
+  color: #fff; font-size: 12px; line-height: 1; opacity: 0; transition: opacity .15s; }
+.img-cell:hover .img-del { opacity: 1; }
+.img-badge { position: absolute; bottom: 6px; left: 6px; font-size: 10px;
+  padding: 2px 7px; border-radius: 999px; color: #fff; background: rgba(0,0,0,.55);
+  backdrop-filter: blur(2px); }
+.badge-commons { background: rgba(46,109,174,.8); }
+.badge-local { background: rgba(63,174,110,.8); }
+.badge-photo { background: rgba(63,174,110,.85); }
+.badge-sample { background: rgba(0,0,0,.5); }
+.img-cell:has(.img-badge:where(.badge-photo)) {}
+.img-admin { position: absolute; top: 6px; right: 6px; display: flex; gap: 4px; opacity: 0; transition: opacity .15s; }
+.img-cell:hover .img-admin { opacity: 1; }
+.img-admin button { width: 24px; height: 24px; border-radius: 50%; border: none; cursor: pointer;
+  color: #fff; font-size: 12px; line-height: 1; }
+.img-confirm { background: rgba(46,140,80,.9); }
+.img-confirm:hover { background: #2e8c50; }
+.img-feature { background: rgba(0,0,0,.6); color: #cfd6e0; }
+.img-feature:hover { background: rgba(0,0,0,.78); color: #ffd55a; }
+.img-feature.on { background: #5a4410; color: #ffd55a; box-shadow: 0 0 0 1px #ffd55a99; }
+.img-admin .img-del { position: static; opacity: 1; width: 24px; height: 24px; }
+.img-hint { font-size: 12px; margin-top: 10px; line-height: 1.6; }
+
+/* ===== 灯箱 ===== */
+.lb { position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.86);
+  display: grid; place-items: center; }
+.lb-stage { position: relative; width: 92vw; height: 88vh; display: grid; place-items: center; overflow: hidden; }
+.lb-img { max-width: 92vw; max-height: 80vh; object-fit: contain; user-select: none;
+  transition: transform .05s linear; }
+.lb-close { position: absolute; top: 8px; right: 8px; width: 40px; height: 40px;
+  border-radius: 50%; border: none; cursor: pointer; background: rgba(255,255,255,.12);
+  color: #fff; font-size: 18px; }
+.lb-close:hover { background: rgba(255,255,255,.25); }
+.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 64px;
+  border: none; cursor: pointer; background: rgba(255,255,255,.1); color: #fff; font-size: 32px;
+  border-radius: 8px; }
+.lb-nav:hover { background: rgba(255,255,255,.22); }
+.lb-prev { left: 4px; } .lb-next { right: 4px; }
+.lb-toolbar { position: absolute; bottom: 44px; left: 50%; transform: translateX(-50%);
+  display: flex; align-items: center; gap: 10px; padding: 6px 12px; border-radius: 999px;
+  background: rgba(0,0,0,.6); color: #fff; font-size: 13px; }
+.lb-toolbar button { width: 30px; height: 30px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25);
+  background: transparent; color: #fff; cursor: pointer; }
+.lb-toolbar button:last-child { width: auto; padding: 0 12px; border-radius: 999px; }
+.lb-caption { position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%);
+  color: #cdd5e0; font-size: 12px; display: flex; flex-direction: column; align-items: center; gap: 2px; max-width: 90vw; text-align: center; }
+.lb-attr { color: #9aa3b2; font-size: 11px; }
+.lb-attr a { color: var(--accent); }
+
+/* ===== 账户：登录按钮 / 用户菜单 ===== */
+.login-btn { padding: 7px 14px; border-radius: 999px; cursor: pointer; font-size: 14px;
+  border: 1px solid var(--accent); background: transparent; color: var(--accent); white-space: nowrap; }
+.login-btn:hover { background: var(--accent); color: #06121f; }
+.user-chip { display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px 4px 4px;
+  border-radius: 999px; background: var(--panel2); border: 1px solid var(--line); }
+.user-chip:hover { border-color: var(--accent); }
+.user-avatar { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
+  background: var(--accent); color: #06121f; font-weight: 700; }
+.user-name { font-size: 14px; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+
+/* ===== 模态框 ===== */
+.modal-backdrop { position: fixed; inset: 0; z-index: 90; background: rgba(0,0,0,.6);
+  display: grid; place-items: center; }
+.modal { position: relative; width: 360px; max-width: 92vw; background: var(--panel);
+  border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
+.modal-tabs { display: flex; gap: 6px; margin-bottom: 16px; }
+.modal-tabs button { flex: 1; padding: 8px; border-radius: 8px; cursor: pointer;
+  border: 1px solid var(--line); background: var(--panel2); color: var(--muted); }
+.modal-tabs button.active { background: var(--accent); border-color: var(--accent); color: #06121f; font-weight: 700; }
+.auth-form { display: flex; flex-direction: column; gap: 10px; }
+.auth-form input { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line);
+  background: var(--panel2); color: var(--text); }
+.auth-submit { padding: 10px; border-radius: 8px; border: none; cursor: pointer;
+  background: var(--accent); color: #06121f; font-weight: 700; }
+.auth-submit:disabled { opacity: .6; cursor: default; }
+.modal-close { position: absolute; top: 10px; right: 10px; width: 30px; height: 30px;
+  border-radius: 50%; border: none; cursor: pointer; background: var(--panel2); color: var(--text); }
+.test-accounts { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
+.test-accounts > .muted { font-size: 12px; }
+.test-account-btns { display: flex; gap: 8px; margin-top: 10px; }
+.test-account { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
+  padding: 8px 6px; border-radius: 8px; cursor: pointer; border: 1px solid var(--line);
+  background: var(--panel2); color: var(--text); }
+.test-account:hover { border-color: var(--accent); }
+.test-account b { font-size: 13px; }
+.test-account small { font-size: 10px; color: var(--muted); }
+
+/* ===== 个人主页 ===== */
+.profile-head { display: flex; align-items: center; gap: 16px; margin: 16px 0 24px; }
+.profile-head .avatar { width: 64px; height: 64px; border-radius: 50%; flex: none;
+  display: grid; place-items: center; font-size: 28px; font-weight: 700;
+  background: var(--accent); color: #06121f; }
+.profile-head h1 { margin: 0 0 6px; font-size: 24px; }
+.profile-head > button { margin-left: auto; }
+.profile-stats { display: flex; gap: 32px; padding: 18px 0; border-top: 1px solid var(--line);
+  border-bottom: 1px solid var(--line); margin-bottom: 18px; }
+.profile-stats div { display: flex; flex-direction: column; }
+.profile-stats b { font-size: 24px; }
+.profile-stats span { font-size: 12px; color: var(--muted); }
+
+/* ===== 编辑 / 修订 ===== */
+.edit-btn { margin-top: 10px; align-self: flex-start; padding: 7px 14px; border-radius: 8px;
+  cursor: pointer; border: 1px solid var(--accent); background: transparent; color: var(--accent); font-size: 13px; }
+.edit-btn:hover { background: var(--accent); color: #06121f; }
+.notice { background: #14352f; border: 1px solid #2e7d52; color: #8af0b4;
+  padding: 10px 14px; border-radius: 10px; margin: 0 0 18px; }
+.modal-wide { width: 560px; max-width: 94vw; }
+.edit-hint { font-size: 12px; margin: 4px 0 14px; }
+.edit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
+.edit-field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
+.edit-field span { color: var(--muted); }
+.edit-field input, .edit-field select { padding: 8px 10px; border-radius: 8px;
+  border: 1px solid var(--line); background: var(--panel2); color: var(--text); }
+.edit-note { margin-top: 12px; width: 100%; padding: 9px 12px; border-radius: 8px;
+  border: 1px solid var(--line); background: var(--panel2); color: var(--text); }
+.edit-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 14px; }
+.edit-actions button { padding: 9px 16px; border-radius: 8px; cursor: pointer;
+  border: 1px solid var(--line); background: var(--panel2); color: var(--text); }
+.edit-actions .auth-submit { border: none; }
+
+.rev-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
+.rev-item { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
+.rev-head { display: flex; align-items: center; gap: 10px; }
+.rev-author { font-weight: 600; }
+.rev-date { font-size: 12px; margin-left: auto; }
+.rev-note { font-size: 13px; color: #c2c9d4; margin: 8px 0 6px; }
+.rev-changes { list-style: none; padding: 0; margin: 6px 0 0; font-size: 13px; display: flex; flex-direction: column; gap: 4px; }
+.rev-changes .old { color: #f0a3a3; text-decoration: line-through; }
+.rev-changes .new { color: #8af0b4; }
+.rev-actions { display: flex; gap: 10px; margin-top: 12px; }
+.rev-actions button { padding: 7px 16px; border-radius: 8px; cursor: pointer;
+  border: 1px solid var(--line); background: var(--panel2); color: var(--text); }
+.rev-actions .auth-submit { border: none; }
+
+@media (max-width: 640px) { .edit-grid { grid-template-columns: 1fr; } }
+
+/* ===== 荣誉：等级条 / 徽章 / 贡献榜 / 维护者 ===== */
+.level-bar { margin: 4px 0 20px; }
+.level-bar-head { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 6px; }
+.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
+.badge { font-size: 13px; padding: 6px 12px; border-radius: 999px;
+  background: linear-gradient(135deg, #2a3550, #1c2233); border: 1px solid var(--line);
+  display: inline-flex; align-items: center; gap: 5px; }
+.profile-foot { margin-top: 18px; }
+.profile-foot a { color: var(--accent); display: inline-flex; align-items: center; gap: 4px; }
+.maintainers { display: flex; flex-wrap: wrap; gap: 8px; }
+
+.leaderboard { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-direction: column; gap: 8px; }
+.lb-row { display: flex; align-items: center; gap: 12px; padding: 12px 16px;
+  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
+.lb-rank { width: 28px; height: 28px; flex: none; display: grid; place-items: center;
+  border-radius: 50%; background: var(--panel2); font-weight: 700; font-size: 13px; }
+.rank-1 .lb-rank { background: #caa23a; color: #1b1500; }
+.rank-2 .lb-rank { background: #aab4c2; color: #14181f; }
+.rank-3 .lb-rank { background: #b07a48; color: #160d04; }
+.lb-name { font-weight: 600; }
+.lb-role { margin-left: auto; font-size: 12px; }
+.lb-points { font-size: 18px; font-weight: 700; color: var(--accent); min-width: 48px; text-align: right; }
+
+/* ===== 登录测试账号一键填入 ===== */
+.test-accounts { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); }
+.test-accounts > .muted { font-size: 12px; }
+.test-account-btns { display: flex; gap: 8px; margin-top: 8px; }
+.test-account { flex: 1; display: flex; flex-direction: column; align-items: flex-start;
+  gap: 2px; padding: 8px 10px; border-radius: 8px; cursor: pointer;
+  border: 1px solid var(--line); background: var(--panel2); color: var(--text); font-size: 13px; }
+.test-account:hover { border-color: var(--accent); }
+.test-account small { color: var(--muted); font-size: 11px; }
+
+/* ===== 社区 / 论坛 ===== */
+.board-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0; }
+.board-tabs button { padding: 7px 14px; border-radius: 999px; cursor: pointer;
+  border: 1px solid var(--line); background: var(--panel); color: var(--muted); }
+.board-tabs button.active { background: var(--accent); border-color: var(--accent); color: #06121f; }
+.new-thread-btn { margin-left: auto; color: var(--accent) !important; border-color: var(--accent) !important; }
+.new-thread { display: flex; flex-direction: column; gap: 10px; margin: 0 0 18px;
+  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
+.new-thread input, .new-thread textarea, .reply-form textarea {
+  padding: 9px 12px; border-radius: 8px; border: 1px solid var(--line);
+  background: var(--panel2); color: var(--text); font: inherit; resize: vertical; }
+.new-thread .auth-submit, .reply-form .auth-submit { align-self: flex-start; padding: 8px 18px; border: none; }
+.thread-list { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-direction: column; gap: 8px; }
+.thread-row { display: flex; align-items: center; gap: 12px; padding: 12px 16px;
+  background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
+.thread-row:hover { border-color: var(--accent); }
+.thread-title { font-weight: 600; }
+.thread-meta { margin-left: auto; font-size: 12px; }
+
+.thread-page .post { background: var(--panel); border: 1px solid var(--line);
+  border-radius: 12px; padding: 14px; margin-bottom: 10px; }
+.thread-page .post.op { border-left: 3px solid var(--accent); }
+.post-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
+.post-head .muted { font-size: 12px; }
+.post-body { margin: 0; white-space: pre-wrap; line-height: 1.6; }
+.replies { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
+.reply-form { display: flex; flex-direction: column; gap: 10px; }
+
+/* ===== 打卡地图 / 动态流 ===== */
+.map-layout { display: grid; grid-template-columns: 1fr 300px; gap: 14px; margin-top: 14px; }
+.map-canvas { height: 540px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
+.map-feed { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; max-height: 540px; overflow: auto; }
+.map-feed h2 { margin-top: 0; font-size: 16px; }
+.feed-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
+.feed-item { display: block; padding: 8px 10px; border-radius: 8px; background: var(--panel2); }
+.feed-item:hover { outline: 1px solid var(--accent); }
+.feed-sub { font-size: 12px; margin-top: 2px; }
+.sighting-row { padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
+.checkin-form { margin-top: 14px; }
+.checkin-row { display: flex; gap: 8px; flex-wrap: wrap; }
+.checkin-row input { flex: 1; min-width: 120px; padding: 9px 12px; border-radius: 8px;
+  border: 1px solid var(--line); background: var(--panel2); color: var(--text); }
+.loc-btn { padding: 9px 14px; border-radius: 8px; cursor: pointer; white-space: nowrap;
+  border: 1px solid var(--line); background: var(--panel2); color: var(--text);
+  display: inline-flex; align-items: center; gap: 4px; }
+.map-link { align-self: flex-start; display: inline-flex; align-items: center; gap: 4px; }
+
+/* MapLibre 弹窗在深色背景下的文字色 */
+.maplibregl-popup-content { color: #14181f; }
+
+@media (max-width: 760px) { .map-layout { grid-template-columns: 1fr; } .map-canvas { height: 360px; } }
+
+/* ===== 参数对比 ===== */
+.cmp-add-btn { display: inline-block; margin-top: 10px; }
+.cmp-add { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-start; margin: 16px 0; }
+.cmp-search { width: 280px; margin: 0; }
+.cmp-chips { display: flex; flex-wrap: wrap; gap: 8px; }
+.cmp-chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px;
+  border-radius: 999px; border: 1px solid var(--line); background: var(--panel); font-size: 13px; }
+.cmp-chip i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
+.cmp-chip button { border: none; background: none; color: var(--muted); cursor: pointer; }
+.cmp-body { display: grid; grid-template-columns: 360px 1fr; gap: 20px; align-items: start; }
+.radar { width: 360px; height: 360px; }
+.cmp-table-wrap { overflow-x: auto; }
+.cmp-table { width: 100%; border-collapse: collapse; }
+.cmp-table th, .cmp-table td { padding: 10px 12px; border-bottom: 1px solid var(--line);
+  text-align: left; font-size: 14px; }
+.cmp-table thead th { font-size: 15px; }
+.cmp-table tbody th { color: var(--muted); font-weight: 500; }
+@media (max-width: 760px) { .cmp-body { grid-template-columns: 1fr; } .radar { margin: 0 auto; } }
+
+/* ===== 技术族谱 ===== */
+.family { display: flex; flex-direction: column; gap: 14px; margin-top: 14px; }
+.family-series { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
+.family-series-name { font-weight: 700; margin-bottom: 10px; }
+.family-track { display: flex; flex-wrap: wrap; gap: 12px; }
+.family-node { position: relative; display: flex; flex-direction: column;
+  border-radius: var(--r2); background: var(--panel2); border: 1px solid var(--line);
+  width: 150px; overflow: hidden; }
+.family-node:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow2); }
+.fn-thumb { display: block; aspect-ratio: 5/3; }
+.fn-thumb .thumb { width: 100%; height: 100%; }
+.fn-code { font-weight: 700; font-size: 14px; padding: 8px 10px 0; }
+.fn-meta { font-size: 11px; color: var(--muted); padding: 2px 10px 10px; }
+.fn-flag { position: absolute; top: 6px; right: 6px; font-size: 10px; padding: 1px 6px;
+  border-radius: var(--rpill); background: #4a2e6b; color: #d6b8ff; }
+
+/* ===== 拍车攻略 ===== */
+.spots-section { margin-top: 24px; }
+.spots { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
+.spot { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
+.spot-head { display: flex; justify-content: space-between; margin-bottom: 8px; }
+.spot-models { display: flex; flex-wrap: wrap; gap: 6px; }
+
+/* ===== 数据大屏 ===== */
+.dashboard { padding: 8px 0 40px; }
+.dash-topbar {
+  display: flex; align-items: center; justify-content: space-between; gap: 16px;
+  padding: 16px 22px; margin: 8px 0 20px; border-radius: 16px;
+  background:
+    radial-gradient(700px 200px at 0% 0%, rgba(78,161,255,.18), transparent),
+    radial-gradient(700px 200px at 100% 100%, rgba(43,179,154,.16), transparent),
+    var(--panel);
+  border: 1px solid var(--line-strong); position: relative; overflow: hidden;
+}
+.dash-topbar::after {
+  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
+  background: linear-gradient(90deg, #4ea1ff, #2bb39a, #fbbf24, transparent);
+}
+.dash-title { display: flex; align-items: center; gap: 14px; }
+.dash-title svg { color: var(--accent); }
+.dash-title h1 { margin: 0; font-size: 24px; letter-spacing: 1px; }
+.dash-sub { font-size: 11px; color: var(--muted); letter-spacing: 3px; }
+.dash-clock { text-align: right; font-variant-numeric: tabular-nums; }
+.dash-clock b { font-size: 26px; color: #fff; letter-spacing: 1px; display: block; }
+.dash-clock span { font-size: 12px; color: var(--muted); }
+
+.kpi-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin: 0 0 20px; }
+.kpi {
+  position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
+  padding: 16px 18px; display: flex; align-items: center; gap: 14px; overflow: hidden;
+}
+.kpi::before {
+  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
+  background: var(--kpi, var(--accent));
+}
+.kpi-icon {
+  width: 44px; height: 44px; flex: none; display: grid; place-items: center; border-radius: 12px;
+  color: var(--kpi, var(--accent));
+  background: color-mix(in srgb, var(--kpi, var(--accent)) 16%, transparent);
+}
+.kpi-body { display: flex; flex-direction: column; min-width: 0; }
+.kpi-body b { font-size: 30px; line-height: 1.1; color: #fff; font-variant-numeric: tabular-nums; }
+.kpi-body span { font-size: 12px; color: var(--muted); white-space: nowrap; }
+
+.dash-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
+.dash-card {
+  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px;
+}
+.dash-card.span-2 { grid-column: 1 / -1; }
+.dash-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
+.dash-card-head h2 { margin: 0; font-size: 16px; }
+.dash-tag {
+  font-size: 11px; color: var(--muted); padding: 3px 10px; border-radius: 999px;
+  background: var(--panel2); border: 1px solid var(--line);
+}
+
+/* 环形图 */
+.donut-wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
+.donut { width: 180px; height: 180px; flex: none; filter: drop-shadow(0 4px 12px rgba(0,0,0,.4)); }
+.donut-total { fill: #fff; font-size: 30px; font-weight: 700; }
+.donut-total-label { fill: var(--muted); font-size: 12px; letter-spacing: 2px; }
+.donut-legend { list-style: none; margin: 0; padding: 0; flex: 1; min-width: 160px;
+  display: flex; flex-direction: column; gap: 7px; }
+.donut-legend li { display: flex; align-items: center; gap: 8px; font-size: 13px; }
+.donut-legend i { width: 11px; height: 11px; border-radius: 3px; flex: none; }
+.donut-legend .dl-label { flex: 1; color: #c2c9d4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
+.donut-legend b { color: #fff; font-variant-numeric: tabular-nums; }
+.donut-legend .dl-pct { width: 40px; text-align: right; }
+
+/* 纵向柱状图 */
+.vbars { display: flex; align-items: flex-end; gap: 10px; height: 200px; padding-top: 8px; }
+.vbar-col { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; gap: 6px; }
+.vbar-val { font-size: 12px; color: #c2c9d4; font-variant-numeric: tabular-nums; }
+.vbar-track { flex: 1; width: 100%; max-width: 46px; display: flex; align-items: flex-end; }
+.vbar-fill { width: 100%; border-radius: 6px 6px 0 0;
+  background: linear-gradient(180deg, #6cc1ff, #2e5d8f); min-height: 3px;
+  transition: height .4s ease; }
+.vbar-x { font-size: 11px; color: var(--muted); }
+
+.dash-foot { margin-top: 18px; font-size: 12px; text-align: center; }
+
+/* ===== 开放 API ===== */
+.export-btns { display: flex; gap: 12px; margin: 16px 0 24px; flex-wrap: wrap; }
+.hero-cta.alt { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
+.api-table code { background: var(--panel2); padding: 2px 6px; border-radius: 6px; font-size: 13px; }
+
+/* ===== AI 识车 ===== */
+.identify-layout { display: grid; grid-template-columns: 360px 1fr; gap: 22px; margin-top: 8px; align-items: start; }
+.identify-drop { display: grid; place-items: center; min-height: 240px; cursor: pointer;
+  border: 2px dashed var(--line); border-radius: 14px; overflow: hidden; background: var(--panel); }
+.identify-drop:hover { border-color: var(--accent); }
+.identify-drop img { max-width: 100%; max-height: 360px; display: block; }
+.identify-drop-hint { display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--muted); padding: 24px; text-align: center; }
+.identify-drop-hint svg { color: var(--accent); opacity: .8; }
+.identify-actions { display: flex; gap: 10px; margin-top: 14px; }
+.identify-right { min-width: 0; }
+.identify-loading { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 40px 0; }
+.spinner { width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--line);
+  border-top-color: var(--accent); animation: spin .8s linear infinite; }
+@keyframes spin { to { transform: rotate(360deg); } }
+.identify-summary { font-size: 16px; line-height: 1.6; padding: 12px 14px; border-radius: 10px;
+  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent); margin: 0 0 18px; }
+.notice-warn { border-color: #6b552e; background: #2b2410; color: #f3d18a; }
+.guess-list { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-direction: column; gap: 12px; }
+.guess-row { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
+.guess-head { display: flex; align-items: baseline; gap: 10px; }
+.guess-code { font-size: 17px; font-weight: 700; color: #fff; }
+.guess-name { font-size: 13px; }
+.guess-conf { margin-left: auto; font-size: 14px; font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
+.guess-bar { height: 7px; border-radius: 999px; background: var(--panel2); margin: 8px 0; overflow: hidden; }
+.guess-bar span { display: block; height: 100%; background: linear-gradient(90deg, #2e5d8f, #4ea1ff); border-radius: 999px; }
+.guess-reason { font-size: 13px; line-height: 1.6; margin: 4px 0 0; }
+.match-list { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
+.match-card { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px;
+  background: var(--panel2); border: 1px solid var(--line); font-size: 14px; }
+.match-card:hover { border-color: var(--accent); }
+.match-card svg { color: var(--accent); }
+.match-code { font-weight: 700; }
+.match-cat { font-size: 12px; }
+.identify-foot { font-size: 12px; line-height: 1.6; }
+.identify-placeholder { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 50px 0; text-align: center; }
+.identify-placeholder svg { opacity: .5; }
+
+/* AI 识车历史 */
+.identify-history { margin-top: 28px; }
+.hist-badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; margin-left: 8px;
+  background: #1d3a2a; border: 1px solid #3fae6e; color: #8af0b4; }
+.hist-list { display: flex; flex-direction: column; gap: 12px; }
+.hist-item { display: flex; gap: 14px; background: var(--panel); border: 1px solid var(--line);
+  border-radius: 12px; padding: 12px; }
+.hist-thumb { width: 130px; height: 96px; flex: none; object-fit: cover; border-radius: 8px;
+  background: var(--panel2); }
+.hist-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
+.hist-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
+.hist-code { font-size: 16px; font-weight: 700; color: #fff; }
+.hist-conf { font-size: 13px; font-weight: 700; color: var(--accent); }
+.hist-time { margin-left: auto; font-size: 12px; }
+.hist-del { background: none; border: none; color: var(--muted); cursor: pointer; padding: 2px;
+  display: inline-flex; }
+.hist-del:hover { color: var(--danger); }
+.hist-summary { margin: 0; font-size: 13px; line-height: 1.5; color: #c2c9d4; }
+.hist-err { margin: 0; font-size: 13px; }
+.hist-matches { display: flex; flex-wrap: wrap; gap: 6px; }
+.hist-match { display: inline-flex; align-items: center; gap: 4px; font-size: 12px;
+  padding: 3px 9px; border-radius: 999px; background: var(--panel2); border: 1px solid var(--line); }
+.hist-match:hover { border-color: var(--accent); }
+.hist-match svg { color: var(--accent); }
+.hist-note { display: flex; align-items: center; gap: 8px; margin-top: 2px; }
+.hist-note input { flex: 1; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line);
+  background: var(--panel2); color: var(--text); font-size: 13px; }
+.hist-note input:focus { outline: none; border-color: var(--accent); }
+@media (max-width: 560px) {
+  .hist-item { flex-direction: column; }
+  .hist-thumb { width: 100%; height: 160px; }
+}
+
+.foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
+.foot-nav { display: flex; gap: 16px; }
+.foot-nav a { color: var(--accent); }
+
+@media (max-width: 980px) {
+  .kpi-row { grid-template-columns: repeat(2, 1fr); }
+  .identify-layout { grid-template-columns: 1fr; }
+}
+@media (max-width: 760px) { .dash-grid { grid-template-columns: 1fr; } .dash-card.span-2 { grid-column: auto; } }
+
+/* ===== 统一组件：按钮 ===== */
+.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px;
+  font-family: inherit; cursor: pointer; border-radius: var(--r1); border: 1px solid transparent;
+  transition: background .15s, border-color .15s, transform .1s, color .15s; white-space: nowrap; }
+.btn:active { transform: translateY(1px); }
+.btn:disabled { opacity: .55; cursor: default; }
+.btn-md { padding: 9px 16px; font-size: 14px; }
+.btn-sm { padding: 6px 12px; font-size: 13px; }
+.btn-primary { background: var(--accent); color: #06121f; font-weight: 700; }
+.btn-primary:hover { background: var(--accent-press); }
+.btn-secondary { background: var(--panel2); color: var(--text); border-color: var(--line); }
+.btn-secondary:hover { border-color: var(--line-strong); }
+.btn-ghost { background: transparent; color: var(--accent); border-color: var(--accent); }
+.btn-ghost:hover { background: var(--accent); color: #06121f; }
+.btn-danger { background: transparent; color: var(--danger); border-color: #6b2e2e; }
+.btn-danger:hover { background: #f87171; color: #1a0606; }
+
+/* ===== 统一页头 ===== */
+.page-header { display: flex; align-items: flex-end; justify-content: space-between;
+  gap: 16px; margin: 8px 0 20px; flex-wrap: wrap; }
+.page-header h1 { margin: 0; font-size: 26px; letter-spacing: .5px; }
+.page-sub { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
+.page-actions { display: flex; gap: 8px; }
+.page h1 { letter-spacing: .5px; }
+
+/* ===== 统一空状态 ===== */
+.empty-state { text-align: center; padding: 56px 16px; color: var(--muted); }
+.empty-icon { font-size: 40px; display: block; margin-bottom: 10px; opacity: .8; }
+
+/* 统一卡片悬浮过渡 */
+.card, .gcard, .mini, .family-node, .feed-item, .spot, .dash-card, .rev-item, .thread-row {
+  transition: border-color .15s, transform .15s, box-shadow .2s;
+}
+
+/* ===== 候选审图 ===== */
+.review-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
+.review-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r2); overflow: hidden; display: flex; flex-direction: column; }
+.review-img { display: block; aspect-ratio: 4/3; background: var(--panel2); }
+.review-img img { width: 100%; height: 100%; object-fit: cover; }
+.review-meta { padding: 10px 12px; display: flex; flex-direction: column; gap: 2px; }
+.review-code { font-weight: 700; }
+.review-attr { font-size: 11px; }
+.review-attr a { color: var(--accent); }
+.review-actions { display: flex; gap: 8px; padding: 0 12px 12px; }
+.review-actions .btn { flex: 1; }
diff --git a/apps/web/src/test/setup.ts b/apps/web/src/test/setup.ts
new file mode 100644
index 0000000..7b0828b
--- /dev/null
+++ b/apps/web/src/test/setup.ts
@@ -0,0 +1 @@
+import '@testing-library/jest-dom';
diff --git a/apps/web/src/types.ts b/apps/web/src/types.ts
new file mode 100644
index 0000000..fe9d6fc
--- /dev/null
+++ b/apps/web/src/types.ts
@@ -0,0 +1,277 @@
+export interface Category {
+  id: number;
+  name: string;
+  subcat: string;
+  modelCount: number;
+  unitCount: number;
+}
+
+export interface ModelListItem {
+  id: number;
+  model_code: string;
+  full_name: string;
+  series: string;
+  manufacturer: string;
+  country: string;
+  country_type: string;
+  first_year: number | null;
+  last_year: number | null;
+  status: string;
+  usage: string;
+  max_speed_value: number | null;
+  max_speed_unit: string;
+  weight_value: number | null;
+  weight_unit: string;
+  axle_arrangement: string;
+  category: string;
+  subcat: string;
+  cover_url?: string | null;
+}
+
+export interface ModelDetail extends ModelListItem {
+  raw?: Record<string, string>;
+  raw_json?: string;
+  [key: string]: unknown;
+}
+
+export interface Paged<T> {
+  total: number;
+  page: number;
+  pageSize: number;
+  items: T[];
+}
+
+export interface ModelQuery {
+  page?: number;
+  pageSize?: number;
+  category?: string;
+  yearFrom?: number;
+  yearTo?: number;
+  speedMin?: number;
+  speedMax?: number;
+  manufacturer?: string;
+  country?: string;
+  status?: string;
+  q?: string;
+  sort?: string;
+  order?: 'asc' | 'desc';
+}
+
+export interface SearchResult {
+  type: string;
+  id: number;
+  model_code: string;
+  full_name: string;
+  manufacturer: string;
+  series: string;
+  category: string;
+  rank: number;
+}
+
+/** 详情图册统一图片模型（示意图 / 本地上传 / Commons 真实照片）。*/
+export interface ImageAttribution {
+  author?: string;
+  license?: string;
+  url?: string;
+}
+
+export interface GalleryImage {
+  id: string;
+  src: string;
+  caption: string;
+  removable: boolean;
+  source: 'sample' | 'local' | 'commons' | 'photo';
+  attribution?: ImageAttribution;
+  photoId?: number;
+  pending?: boolean;
+  featured?: boolean;
+}
+
+export type Role = 'guest' | 'user' | 'trusted' | 'moderator' | 'admin';
+
+export interface PublicUser {
+  id: number;
+  email: string;
+  displayName: string;
+  role: Role;
+  contributionPoints: number;
+  createdAt: string;
+}
+
+export interface LevelInfo {
+  level: number;
+  title: string;
+  min: number;
+  nextThreshold: number | null;
+}
+
+export interface Badge {
+  key: string;
+  label: string;
+}
+
+export interface UserStats extends PublicUser {
+  level: LevelInfo;
+  approvedCount: number;
+  badges: Badge[];
+}
+
+export interface LeaderboardEntry {
+  rank: number;
+  id: number;
+  displayName: string;
+  role: Role;
+  points: number;
+  title: string;
+}
+
+export interface Maintainer {
+  id: number;
+  displayName: string;
+  role: Role;
+  since: string;
+}
+
+export interface Board {
+  key: string;
+  label: string;
+}
+
+export interface ThreadReply {
+  id: number;
+  body: string;
+  author_id: number;
+  author_name: string;
+  created_at: string;
+}
+
+export interface Thread {
+  id: number;
+  board: string;
+  model_id: number | null;
+  title: string;
+  body: string;
+  author_id: number;
+  author_name: string;
+  created_at: string;
+  last_activity_at: string;
+  reply_count: number;
+  replies?: ThreadReply[];
+}
+
+export interface Sighting {
+  id: number;
+  model_id: number;
+  model_code: string;
+  category: string;
+  user_name: string;
+  car_number: string;
+  lat: number;
+  lng: number;
+  station: string;
+  spotted_at: string;
+  description: string;
+  created_at: string;
+}
+
+export interface FamilyModel {
+  id: number;
+  model_code: string;
+  series: string;
+  first_year: number | null;
+  last_year: number | null;
+  country_type: string;
+  max_speed_value: number | null;
+  max_speed_unit: string;
+  category: string;
+}
+
+export interface Family {
+  category: string;
+  series: { name: string; models: FamilyModel[] }[];
+}
+
+export interface Spot {
+  station: string;
+  total: number;
+  models: { model_id: number; model_code: string; count: number }[];
+}
+
+export interface Photo {
+  id: number;
+  modelId: number;
+  url: string;
+  caption: string;
+  status: 'candidate' | 'confirmed';
+  featured: boolean;
+  sourceUrl: string;
+  author: string;
+  license: string;
+  uploaderId: number;
+  uploaderName: string;
+  createdAt: string;
+}
+
+export interface Stats {
+  totals: { models: number; units: number; categories: number };
+  byCategory: { label: string; count: number }[];
+  byDecade: { decade: number; count: number }[];
+  speedByDecade: { decade: number; maxSpeed: number; avgSpeed: number }[];
+  byCountryType: { label: string; count: number }[];
+}
+
+export interface AuthResult {
+  token: string;
+  user: PublicUser;
+}
+
+export interface EditableField {
+  field: string;
+  label: string;
+  type: 'text' | 'int';
+}
+
+export interface RevisionChange {
+  field: string;
+  old_value: string | null;
+  new_value: string | null;
+}
+
+export interface Revision {
+  id: number;
+  model_id: number;
+  author_id: number;
+  author_name: string;
+  status: 'pending' | 'approved' | 'rejected';
+  note: string;
+  created_at: string;
+  reviewed_at: string | null;
+  changes: RevisionChange[];
+}
+
+/** AI 识车（通义千问视觉模型）结果。*/
+export interface IdentifyGuess {
+  model_code: string;
+  name: string;
+  confidence: number;
+  reason: string;
+}
+export interface IdentifyMatch {
+  id: number;
+  model_code: string;
+  category: string;
+}
+export interface Identification {
+  id: number;
+  url: string;
+  summary: string;
+  guesses: IdentifyGuess[];
+  matches: IdentifyMatch[];
+  topCode: string;
+  topName: string;
+  note: string;
+  error: string;
+  cached: boolean;
+  configured: boolean;
+  createdAt: string;
+}
diff --git a/apps/web/src/vite-env.d.ts b/apps/web/src/vite-env.d.ts
new file mode 100644
index 0000000..11f02fe
--- /dev/null
+++ b/apps/web/src/vite-env.d.ts
@@ -0,0 +1 @@
+/// <reference types="vite/client" />
diff --git a/apps/web/tsconfig.json b/apps/web/tsconfig.json
new file mode 100644
index 0000000..a2cee41
--- /dev/null
+++ b/apps/web/tsconfig.json
@@ -0,0 +1,21 @@
+{
+  "compilerOptions": {
+    "target": "ES2021",
+    "useDefineForClassFields": true,
+    "lib": ["ES2021", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "skipLibCheck": true,
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx",
+    "strict": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noFallthroughCasesInSwitch": true,
+    "types": ["vitest/globals", "@testing-library/jest-dom"]
+  },
+  "include": ["src"]
+}
diff --git a/apps/web/tsconfig.tsbuildinfo b/apps/web/tsconfig.tsbuildinfo
new file mode 100644
index 0000000..178395a
--- /dev/null
+++ b/apps/web/tsconfig.tsbuildinfo
@@ -0,0 +1 @@
+{"root":["./src/app.tsx","./src/main.tsx","./src/types.ts","./src/vite-env.d.ts","./src/api/client.test.ts","./src/api/client.ts","./src/components/authmodal.tsx","./src/components/editmodal.tsx","./src/components/evolutioncurve.tsx","./src/components/filterbar.tsx","./src/components/gallerycard.test.tsx","./src/components/gallerycard.tsx","./src/components/galleryview.tsx","./src/components/lightbox.tsx","./src/components/modelcard.test.tsx","./src/components/modelcard.tsx","./src/components/navmenu.tsx","./src/components/pagination.tsx","./src/components/radarchart.tsx","./src/components/revisionlist.tsx","./src/components/searchbox.tsx","./src/components/thumb.tsx","./src/components/timelineview.tsx","./src/components/icons.tsx","./src/components/ui.tsx","./src/lib/auth.tsx","./src/lib/compare.test.ts","./src/lib/compare.ts","./src/lib/eras.test.ts","./src/lib/eras.ts","./src/lib/fieldlabels.test.ts","./src/lib/fieldlabels.ts","./src/lib/format.test.ts","./src/lib/format.ts","./src/lib/sampleimages.ts","./src/lib/thumb.test.ts","./src/lib/thumb.ts","./src/lib/timeline.test.ts","./src/lib/timeline.ts","./src/lib/usecollection.ts","./src/lib/usefollow.ts","./src/lib/useimages.ts","./src/pages/adminphotospage.tsx","./src/pages/apidocspage.tsx","./src/pages/comparepage.tsx","./src/pages/dashboardpage.tsx","./src/pages/detailpage.tsx","./src/pages/familypage.tsx","./src/pages/forumpage.tsx","./src/pages/homepage.tsx","./src/pages/identifypage.tsx","./src/pages/leaderboardpage.tsx","./src/pages/listpage.tsx","./src/pages/mappage.tsx","./src/pages/profilepage.tsx","./src/pages/reviewpage.tsx","./src/pages/threadpage.tsx","./src/test/setup.ts"],"version":"5.9.3"}
\ No newline at end of file
diff --git a/apps/web/vite.config.ts b/apps/web/vite.config.ts
new file mode 100644
index 0000000..b32d546
--- /dev/null
+++ b/apps/web/vite.config.ts
@@ -0,0 +1,22 @@
+/// <reference types="vitest" />
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    port: 5173,
+    proxy: {
+      // 仅代理真正的 API 调用（/api/...）；避免误伤前端路由如 /api-docs
+      '^/api/': { target: 'http://127.0.0.1:3001', changeOrigin: true },
+      // 共享图库静态图片
+      '^/uploads/': { target: 'http://127.0.0.1:3001', changeOrigin: true },
+    },
+  },
+  test: {
+    globals: true,
+    environment: 'jsdom',
+    setupFiles: ['./src/test/setup.ts'],
+    include: ['src/**/*.{test,spec}.{ts,tsx}'],
+  },
+});
diff --git a/baidu-backup.sh b/baidu-backup.sh
new file mode 100755
index 0000000..1ed33a6
--- /dev/null
+++ b/baidu-backup.sh
@@ -0,0 +1,349 @@
+#!/bin/bash
+# ============================================================
+# 百度网盘备份脚本
+# 用法: ./baidu-backup.sh [目标目录]
+# 示例: ./baidu-backup.sh /2026/0517
+#       ./baidu-backup.sh              # 自动使用 /年份/月日
+# ============================================================
+
+set -e
+
+# ---- 配置 ----
+APP_KEY="z3gemBZfg7KYj6U3eHNfIzTs7uYS9OMh"
+SECRET_KEY="ptCKj2DfxL0KtGR1pM08c9KO2t2UC7SR"
+TOKEN_FILE="$HOME/.baidu_pan_token.json"
+BLOCK_SIZE=$((4 * 1024 * 1024))  # 4MB
+
+# ---- 自动识别项目 ----
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_NAME="$(basename "$SCRIPT_DIR")"
+PARENT_DIR="$(dirname "$SCRIPT_DIR")"
+ZIP_FILE="/tmp/${PROJECT_NAME}.zip"
+MD5_FILE="/tmp/baidu_md5_list.txt"
+
+# ---- 目标目录 ----
+if [ -n "$1" ]; then
+    REMOTE_DIR="$1"
+else
+    REMOTE_DIR="/$(date +%Y)/$(date +%m%d)"
+fi
+REMOTE_PATH="${REMOTE_DIR}/${PROJECT_NAME}.zip"
+
+echo ""
+echo "╔══════════════════════════════════════════╗"
+echo "║         📦 百度网盘备份工具              ║"
+echo "╚══════════════════════════════════════════╝"
+echo ""
+echo "  项目: $PROJECT_NAME"
+echo "  目标: $REMOTE_PATH"
+echo ""
+
+# ============================================================
+# 步骤1: 打包
+# ============================================================
+echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+echo "[1/5] 📦 打包项目文件..."
+rm -f "$ZIP_FILE"
+cd "$PARENT_DIR"
+
+# 先统计文件总数
+TOTAL_FILES=$(find "$PROJECT_NAME" -not -path "${PROJECT_NAME}/.git/*" -type f | wc -l | tr -d ' ')
+echo "  📊 共 ${TOTAL_FILES} 个文件"
+
+# 打包并实时显示百分比
+COUNTER=0
+zip -r "$ZIP_FILE" "$PROJECT_NAME" -x "${PROJECT_NAME}/.git/*" 2>&1 | while IFS= read -r line; do
+    COUNTER=$((COUNTER + 1))
+    PCT=$((COUNTER * 100 / TOTAL_FILES))
+    if [ $PCT -gt 100 ]; then PCT=100; fi
+    # 进度条
+    BAR_FILLED=$((PCT * 30 / 100))
+    BAR_EMPTY=$((30 - BAR_FILLED))
+    BAR=""
+    for ((b=0; b<BAR_FILLED; b++)); do BAR="${BAR}█"; done
+    for ((b=0; b<BAR_EMPTY; b++)); do BAR="${BAR}░"; done
+    printf "\r  %s %3d%% (%d/%d)   " "$BAR" "$PCT" "$COUNTER" "$TOTAL_FILES"
+done
+echo ""
+
+FILE_SIZE=$(stat -f%z "$ZIP_FILE" 2>/dev/null || stat -c%s "$ZIP_FILE" 2>/dev/null)
+FILE_SIZE_MB=$((FILE_SIZE / 1024 / 1024))
+echo "  ✅ 打包完成: ${FILE_SIZE_MB}MB"
+
+# ============================================================
+# 步骤2: 获取 Token（缓存 / 刷新 / 设备授权）
+# ============================================================
+echo ""
+echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+echo "[2/5] 🔑 获取百度网盘授权..."
+
+ACCESS_TOKEN=""
+
+# 尝试读取缓存
+if [ -f "$TOKEN_FILE" ]; then
+    CACHED=$(python3 -c "
+import json, time, sys
+with open('$TOKEN_FILE') as f:
+    d = json.load(f)
+if time.time() < d.get('expires_at', 0):
+    print('VALID|' + d['access_token'])
+else:
+    print('EXPIRED|' + d.get('refresh_token', ''))
+" 2>/dev/null || echo "FAIL|")
+    
+    STATUS="${CACHED%%|*}"
+    VALUE="${CACHED#*|}"
+    
+    if [ "$STATUS" = "VALID" ]; then
+        ACCESS_TOKEN="$VALUE"
+        echo "  ✅ 使用缓存 Token（有效）"
+    elif [ "$STATUS" = "EXPIRED" ] && [ -n "$VALUE" ]; then
+        echo "  ⏳ Token 已过期，尝试刷新..."
+        RESP=$(curl -s -X POST "https://openapi.baidu.com/oauth/2.0/token" \
+            -d "grant_type=refresh_token&refresh_token=${VALUE}&client_id=${APP_KEY}&client_secret=${SECRET_KEY}")
+        NEW_TOKEN=$(echo "$RESP" | python3 -c "import sys,json;d=json.load(sys.stdin);print(d.get('access_token',''))" 2>/dev/null)
+        if [ -n "$NEW_TOKEN" ]; then
+            ACCESS_TOKEN="$NEW_TOKEN"
+            # 更新缓存
+            python3 -c "
+import json, time
+d = json.loads('$RESP'.replace(\"'\", '\"'))
+token = {'access_token': d['access_token'], 'refresh_token': d['refresh_token'], 'expires_at': int(time.time()) + d['expires_in']}
+with open('$TOKEN_FILE', 'w') as f: json.dump(token, f)
+" 2>/dev/null
+            echo "  ✅ Token 刷新成功"
+        else
+            echo "  ⚠️  刷新失败，需要重新授权"
+        fi
+    fi
+fi
+
+# 如果没有有效 Token，走设备授权流程
+if [ -z "$ACCESS_TOKEN" ]; then
+    echo "  🔐 需要设备授权..."
+    DEVICE_RESP=$(curl -s -X POST "https://openapi.baidu.com/oauth/2.0/device/code" \
+        -d "response_type=device_code&client_id=${APP_KEY}&scope=basic,netdisk")
+    
+    DEVICE_CODE=$(echo "$DEVICE_RESP" | python3 -c "import sys,json;print(json.load(sys.stdin)['device_code'])")
+    USER_CODE=$(echo "$DEVICE_RESP" | python3 -c "import sys,json;print(json.load(sys.stdin)['user_code'])")
+    QRCODE_URL=$(echo "$DEVICE_RESP" | python3 -c "import sys,json;print(json.load(sys.stdin)['qrcode_url'])")
+    
+    echo ""
+    echo "  ┌─────────────────────────────────────┐"
+    echo "  │ 请打开: https://openapi.baidu.com/device"
+    echo "  │ 输入码: $USER_CODE"
+    echo "  │ 或扫码: $QRCODE_URL"
+    echo "  └─────────────────────────────────────┘"
+    echo ""
+    read -p "  授权完成后按回车继续..." _
+    
+    TOKEN_RESP=$(curl -s -X POST "https://openapi.baidu.com/oauth/2.0/token" \
+        -d "grant_type=device_token&code=${DEVICE_CODE}&client_id=${APP_KEY}&client_secret=${SECRET_KEY}")
+    ACCESS_TOKEN=$(echo "$TOKEN_RESP" | python3 -c "import sys,json;print(json.load(sys.stdin).get('access_token',''))" 2>/dev/null)
+    
+    if [ -z "$ACCESS_TOKEN" ]; then
+        echo "  ❌ 授权失败: $TOKEN_RESP"
+        rm -f "$ZIP_FILE"
+        exit 1
+    fi
+    
+    # 保存缓存
+    echo "$TOKEN_RESP" | python3 -c "
+import sys, json, time
+d = json.load(sys.stdin)
+token = {'access_token': d['access_token'], 'refresh_token': d['refresh_token'], 'expires_at': int(time.time()) + d['expires_in']}
+with open('$TOKEN_FILE', 'w') as f: json.dump(token, f)
+"
+    echo "  ✅ 授权成功，Token 已缓存"
+fi
+
+# ============================================================
+# 步骤3: 预创建文件
+# ============================================================
+echo ""
+echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+BLOCKS=$(( (FILE_SIZE + BLOCK_SIZE - 1) / BLOCK_SIZE ))
+echo "[3/5] 📋 预创建文件（${BLOCKS}个分片）..."
+BLOCK_LIST=$(python3 -c "import json; print(json.dumps(['0'*32]*$BLOCKS))")
+PRE_RESP=$(curl -s "https://pan.baidu.com/rest/2.0/xpan/file?method=precreate&access_token=${ACCESS_TOKEN}" \
+    -d "path=${REMOTE_PATH}&size=${FILE_SIZE}&isdir=0&autoinit=1&block_list=${BLOCK_LIST}")
+UPLOAD_ID=$(echo "$PRE_RESP" | python3 -c "import sys,json;print(json.load(sys.stdin).get('uploadid',''))" 2>/dev/null)
+if [ -z "$UPLOAD_ID" ]; then
+    echo "  ❌ 预创建失败: $PRE_RESP"
+    rm -f "$ZIP_FILE"
+    exit 1
+fi
+echo "  ✅ 预创建成功"
+
+# ============================================================
+# 步骤4: 分片上传（并发）
+# ============================================================
+echo ""
+echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+PARALLEL="${BAIDU_PARALLEL:-8}"
+if [ "$PARALLEL" -gt "$BLOCKS" ]; then PARALLEL=$BLOCKS; fi
+echo "[4/5] 🚀 上传中（${PARALLEL} 路并发）..."
+echo ""
+
+UNSORTED_MD5="/tmp/baidu_md5_unsorted_${UPLOAD_ID}.txt"
+PROGRESS_FILE="/tmp/baidu_progress_${UPLOAD_ID}.txt"
+ERR_FILE="/tmp/baidu_err_${UPLOAD_ID}.txt"
+DONE_FLAG="/tmp/baidu_done_${UPLOAD_ID}"
+: > "$UNSORTED_MD5"
+: > "$PROGRESS_FILE"
+: > "$ERR_FILE"
+rm -f "$DONE_FLAG"
+: > "$MD5_FILE"
+START_TIME=$(date +%s)
+
+# 单分片上传 worker（并发安全：单行 echo < PIPE_BUF 是原子写）
+upload_part() {
+    local i=$1
+    local chunk="/tmp/baidu_chunk_${UPLOAD_ID}_${i}"
+    dd if="$ZIP_FILE" bs="$BLOCK_SIZE" skip="$i" count=1 2>/dev/null > "$chunk"
+    local resp md5 attempt
+    md5=""
+    for attempt in 1 2 3; do
+        resp=$(curl -s --max-time 600 \
+            "https://d.pcs.baidu.com/rest/2.0/pcs/superfile2?method=upload&access_token=${ACCESS_TOKEN}&type=tmpfile&path=${REMOTE_PATH}&uploadid=${UPLOAD_ID}&partseq=${i}" \
+            -F "file=@${chunk}")
+        md5=$(echo "$resp" | python3 -c "import sys,json;print(json.load(sys.stdin).get('md5',''))" 2>/dev/null)
+        [ -n "$md5" ] && break
+        sleep $((attempt * 2))
+    done
+    rm -f "$chunk"
+    if [ -z "$md5" ]; then
+        echo "part ${i} failed after 3 attempts: ${resp}" >> "$ERR_FILE"
+        return 1
+    fi
+    echo "${i}|${md5}" >> "$UNSORTED_MD5"
+    echo "x" >> "$PROGRESS_FILE"
+}
+export -f upload_part
+export ZIP_FILE BLOCK_SIZE ACCESS_TOKEN REMOTE_PATH UPLOAD_ID
+export UNSORTED_MD5 PROGRESS_FILE ERR_FILE
+
+# 后台进度刷新进程（每秒刷新一次）
+(
+    while :; do
+        DONE=$(wc -l < "$PROGRESS_FILE" 2>/dev/null | tr -d ' ')
+        DONE=${DONE:-0}
+        if [ "$DONE" -gt "$BLOCKS" ]; then DONE=$BLOCKS; fi
+        PCT=$((DONE * 100 / BLOCKS))
+        UPLOADED_MB=$((DONE * BLOCK_SIZE / 1024 / 1024))
+        if [ $UPLOADED_MB -gt $FILE_SIZE_MB ]; then UPLOADED_MB=$FILE_SIZE_MB; fi
+        NOW=$(date +%s)
+        ELAPSED=$((NOW - START_TIME))
+        if [ $ELAPSED -gt 0 ] && [ $DONE -gt 0 ]; then
+            SPEED_KB=$((DONE * BLOCK_SIZE / 1024 / ELAPSED))
+            SPEED_INT=$((SPEED_KB / 1024))
+            SPEED_DEC=$(( (SPEED_KB % 1024) * 10 / 1024 ))
+            if [ "$SPEED_KB" -gt 0 ]; then
+                REMAINING_KB=$(( (FILE_SIZE - DONE * BLOCK_SIZE) / 1024 ))
+                if [ $REMAINING_KB -lt 0 ]; then REMAINING_KB=0; fi
+                ETA=$(( REMAINING_KB / SPEED_KB ))
+                ETA_MIN=$((ETA / 60))
+                ETA_SEC=$((ETA % 60))
+                ETA_STR="${ETA_MIN}m${ETA_SEC}s"
+            else
+                ETA_STR="计算中"
+            fi
+        else
+            SPEED_INT=0
+            SPEED_DEC=0
+            ETA_STR="计算中"
+        fi
+        BAR_FILLED=$((PCT * 30 / 100))
+        BAR_EMPTY=$((30 - BAR_FILLED))
+        BAR=""
+        for ((b=0; b<BAR_FILLED; b++)); do BAR="${BAR}█"; done
+        for ((b=0; b<BAR_EMPTY; b++)); do BAR="${BAR}░"; done
+        printf "\r  %s %3d%% | %d/%dMB | %d.%dMB/s | 剩余%s    " "$BAR" "$PCT" "$UPLOADED_MB" "$FILE_SIZE_MB" "$SPEED_INT" "$SPEED_DEC" "$ETA_STR"
+        if [ -f "$DONE_FLAG" ] || [ "$DONE" -ge "$BLOCKS" ]; then
+            break
+        fi
+        sleep 1
+    done
+) &
+PROGRESS_PID=$!
+
+# 并发上传：xargs -P 同时跑 PARALLEL 个 worker（绕开百度 PCS 单连接限速）
+XARGS_RC=0
+seq 0 $((BLOCKS-1)) | xargs -P "$PARALLEL" -I % bash -c 'upload_part "$@"' _ % || XARGS_RC=$?
+
+# 通知进度进程退出并等待，最后重画一行
+touch "$DONE_FLAG"
+wait "$PROGRESS_PID" 2>/dev/null || true
+echo ""
+
+if [ "$XARGS_RC" -ne 0 ]; then
+    echo ""
+    echo "  ❌ 分片上传失败："
+    if [ -s "$ERR_FILE" ]; then
+        head -n 5 "$ERR_FILE"
+    fi
+    rm -f "$ZIP_FILE" "$MD5_FILE" "$UNSORTED_MD5" "$PROGRESS_FILE" "$ERR_FILE" "$DONE_FLAG"
+    rm -f /tmp/baidu_chunk_${UPLOAD_ID}_*
+    exit 1
+fi
+
+# 校验分片数
+DONE_COUNT=$(wc -l < "$UNSORTED_MD5" | tr -d ' ')
+if [ "$DONE_COUNT" != "$BLOCKS" ]; then
+    echo ""
+    echo "  ❌ 分片数不匹配: ${DONE_COUNT}/${BLOCKS}"
+    if [ -s "$ERR_FILE" ]; then
+        head -n 5 "$ERR_FILE"
+    fi
+    rm -f "$ZIP_FILE" "$MD5_FILE" "$UNSORTED_MD5" "$PROGRESS_FILE" "$ERR_FILE" "$DONE_FLAG"
+    rm -f /tmp/baidu_chunk_${UPLOAD_ID}_*
+    exit 1
+fi
+
+# 按 partseq 升序生成最终 MD5_FILE
+sort -t'|' -k1n "$UNSORTED_MD5" | cut -d'|' -f2 > "$MD5_FILE"
+rm -f "$UNSORTED_MD5" "$PROGRESS_FILE" "$ERR_FILE" "$DONE_FLAG"
+
+echo ""
+echo "  ✅ 所有分片上传完成"
+
+# ============================================================
+# 步骤5: 合并文件
+# ============================================================
+echo ""
+echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+echo "[5/5] 🔗 合并文件..."
+MD5_LIST=$(awk '{printf "\"%s\",", $0}' "$MD5_FILE" | sed 's/,$//')
+CREATE_RESP=$(curl -s "https://pan.baidu.com/rest/2.0/xpan/file?method=create&access_token=${ACCESS_TOKEN}" \
+    -d "path=${REMOTE_PATH}&size=${FILE_SIZE}&isdir=0&uploadid=${UPLOAD_ID}&block_list=[${MD5_LIST}]")
+CREATE_ERRNO=$(echo "$CREATE_RESP" | python3 -c "import sys,json;print(json.load(sys.stdin).get('errno',99))" 2>/dev/null)
+FINAL_PATH=$(echo "$CREATE_RESP" | python3 -c "import sys,json;print(json.load(sys.stdin).get('path',''))" 2>/dev/null)
+
+# 清理
+rm -f "$ZIP_FILE" "$MD5_FILE"
+rm -f /tmp/baidu_chunk_${UPLOAD_ID}_* 2>/dev/null || true
+
+# 计算耗时
+END_TIME=$(date +%s)
+TOTAL=$((END_TIME - START_TIME))
+T_MIN=$((TOTAL / 60))
+T_SEC=$((TOTAL % 60))
+
+# 输出结果
+echo ""
+echo "╔══════════════════════════════════════════════╗"
+if [ "$CREATE_ERRNO" = "0" ]; then
+    echo "║          📦 百度网盘备份完成！               ║"
+    echo "╠══════════════════════════════════════════════╣"
+    echo "  📁 路径: $FINAL_PATH"
+    echo "  📊 大小: ${FILE_SIZE_MB} MB"
+    echo "  ⏱️  耗时: ${T_MIN}分${T_SEC}秒"
+    echo "  ✅ 状态: 上传成功"
+else
+    echo "║          ❌ 合并失败                         ║"
+    echo "╠══════════════════════════════════════════════╣"
+    echo "  errno: $CREATE_ERRNO"
+    echo "  响应: $CREATE_RESP"
+fi
+echo "╚══════════════════════════════════════════════╝"
+echo ""
diff --git a/csv/CJ型动车组、早期动车组及和谐号统计表.csv b/csv/CJ型动车组、早期动车组及和谐号统计表.csv
new file mode 100644
index 0000000..2905a94
--- /dev/null
+++ b/csv/CJ型动车组、早期动车组及和谐号统计表.csv
@@ -0,0 +1,73 @@
+CJ型动车组、早期动车组及和谐号统计表,,,,,,,,,,,,,,,,,,,,
+系列,型号,首产时间,停产时间,车体长度 /mm,车体宽度 /mm,整备重量 / 轴重 /t,轴距 /mm,轴重 /t,轴列式（标准编组）,生产商,传动效率,牵引力 (起动)/kN,牵引力 (持续)/kN,传动方式 / 动力来源,最高运营时速,用途,产量,,,
+"早
+期
+国
+产
+动
+车
+组",先行号,1999 年,1999 年,25500 (头车),3100.0,220t/2 节,2500.0,15t,2×(Bo-Bo),中车浦镇,≥80%,120.0,80.0,交 - 直 - 交电传动，接触网供电,180km/h,城际客运,1 列,,,
+,大白鲨号,1999 年,1999 年,25500 (头车),3100.0,320t/6 节,2500.0,15t,2×(Bo-Bo),中车株洲 / 四方,≥82%,160.0,100.0,交 - 直 - 交电传动，接触网供电,200km/h,干线客运,1 列,,,
+,春城号,1999 年,1999 年,25500 (头车),3100.0,300t/6 节,2500.0,15t,2×(Bo-Bo),中车长春轨道客车,≥80%,140.0,90.0,交 - 直 - 交电传动，接触网供电,120km/h,城际客运,1 列,,,
+,新曙光号,1999 年,1999 年,25500 (头车),3100.0,520t/9 节,2500.0,17t,2×(Co-Co),中车戚墅堰,≥78%,2×363,2×245,液力传动，内燃动力,180km/h,干线客运,2 列,,,
+,神州号,2000 年,2000 年,25500 (头车),3100.0,560t/10 节,2500.0,17t,2×(Co-Co),中车戚墅堰,≥78%,2×363,2×245,液力传动，内燃动力,180km/h,干线客运,4 列,,,
+,蓝箭号,2000 年,2001 年,25500 (头车),3100.0,320t/8 节,2500.0,15t,2×(Bo-Bo)（2 动 6 拖）,中车株洲 / 浦镇,≥85%,160.0,100.0,交 - 直 - 交电传动，接触网供电,200km/h,城际客运,8 列,,,
+,中原之星,2001 年,2001 年,25500 (头车),3100.0,420t/8 节,2500.0,15t,4×(Bo-Bo)（4 动 4 拖）,中车株洲 / 四方,≥85%,200.0,130.0,交 - 直 - 交电传动，接触网供电,160km/h,城际客运,1 列,,,
+,先锋号,2001 年,2001 年,25500 (头车),3105.0,305t/6 节,2500.0,15t,3×(Bo-Bo)（3 动 3 拖）,中车浦镇,≥85%,180.0,120.0,交 - 直 - 交电传动，接触网供电,250km/h,干线客运,1 列,,,
+,金轮号,2001 年,2001 年,25500 (头车),3100.0,480t/8 节,2500.0,17t,2×(Co-Co),中车大连,≥78%,2×342,2×215,交 - 直流电传动，内燃动力,140km/h,干线客运,2 列,,,
+,北亚号,2001 年,2001 年,25500 (头车),3100.0,360t/7 节,2500.0,17t,2×(Co-Co),中车大连,≥78%,2×342,2×215,液力传动，内燃动力,140km/h,干线客运,3 列,,,
+,晋龙号,2002 年,2002 年,25500 (头车),3100.0,360t/6 节,2500.0,17t,2×(Co-Co),中车四方,≥78%,2×342,2×215,液力传动，内燃动力,140km/h,城际客运,2 列,,,
+,中华之星,2002 年,2002 年,25500 (头车),3100.0,520t/9 节,2500.0,15t,4×(Bo-Bo)（4 动 5 拖）,中车株洲 / 四方 / 大同,≥85%,280.0,180.0,交 - 直 - 交电传动，接触网供电,270km/h,干线客运,1 列,,,
+,长白山号,2003 年,2003 年,25500 (头车),3100.0,420t/9 节,2500.0,15t,3×(Bo-Bo)（3 动 6 拖）,中车长春轨道客车,≥85%,200.0,130.0,交 - 直 - 交电传动，接触网供电,210km/h,干线客运,1 列,,,
+,罕露号,2003 年,2003 年,25500 (头车),3100.0,360t/6 节,2500.0,17t,2×(Co-Co),中车戚墅堰,≥78%,2×342,2×215,液力传动，内燃动力,140km/h,干线客运,1 列,,,
+,庐山号,2004 年,2004 年,25500 (头车),3100.0,360t/6 节,2500.0,17t,2×(Co-Co),中车四方,≥78%,2×342,2×215,液力传动，内燃动力,140km/h,城际客运,2 列,,,
+"CJ
+系
+列",CJ1 型,2013 年,2014 年,25700 (头车)/25000 (中间车),3300.0,340t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车四方,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,200km/h,城际客运,1 列,,,
+,CJ2 型,2015 年,2020 年,25700 (头车)/25000 (中间车),3300.0,340t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车浦镇,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,200km/h,城际客运,超 50 列,,,
+,CJ3 型,2017 年,2018 年,25700 (头车)/25000 (中间车),3300.0,340t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车唐山,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,200km/h,城际客运,5 列,,,
+,CJ4 型,2018 年,2019 年,25700 (头车)/25000 (中间车),3300.0,340t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车长客,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,200km/h,城际客运,3 列,,,
+,CJ5 型,2019 年,2020 年,25700 (头车)/25000 (中间车),3300.0,170t/4 节,2500.0,14t,1×(Bo-Bo)（2 动 2 拖）,中车四方,≥88%,100.0,65.0,交 - 直 - 交电传动，接触网供电,200km/h,市域通勤,10 列,,,
+,CJ6 型,2020 年,量产中,25700 (头车)/25000 (中间车),3300.0,170t/4 节,2500.0,14t,1×(Bo-Bo)（2 动 2 拖）,中车株洲,≥88%,100.0,65.0,交 - 直 - 交电传动，接触网供电,160km/h,市域通勤,量产中，超 30 列,,,
+"和
+谐
+号 CRH
+系
+列",CRH1A,2006 年,2018 年,26950 (头车)/25900 (中间车),3328.0,420t/8 节,2700.0,17t,4×(Bo-Bo)（5 动 3 拖）,中车四方庞巴迪,≥88%,250.0,160.0,交 - 直 - 交电传动，接触网供电,200km/h,干线 / 城际客运,超 200 列,,,
+,CRH1A-A,2015 年,2020 年,26950 (头车)/25900 (中间车),3328.0,420t/8 节,2700.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车四方庞巴迪,≥88%,250.0,160.0,交 - 直 - 交电传动，接触网供电,250km/h,干线 / 城际客运,超 100 列,,,
+,CRH1B,2007 年,2018 年,26950 (头车)/25900 (中间车),3328.0,820t/16 节,2700.0,17t,8×(Bo-Bo)（10 动 6 拖）,中车四方庞巴迪,≥88%,400.0,260.0,交 - 直 - 交电传动，接触网供电,250km/h,干线客运,25 列,,,
+,CRH1E,2007 年,2018 年,26950 (头车)/25900 (中间车),3328.0,420t/8 节,2700.0,17t,4×(Bo-Bo)（5 动 3 拖）,中车四方庞巴迪,≥88%,250.0,160.0,交 - 直 - 交电传动，接触网供电,250km/h,干线卧铺客运,20 列,,,
+,CRH2A,2006 年,2018 年,25700 (头车)/25000 (中间车),3380.0,345t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车四方,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,250km/h,干线客运,超 1000 列,,,
+,CRH2A 统型,2013 年,2018 年,25700 (头车)/25000 (中间车),3380.0,345t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车四方,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,250km/h,干线客运,超 500 列,,,
+,CRH2B,2008 年,2010 年,25700 (头车)/25000 (中间车),3380.0,690t/16 节,2500.0,14t,4×(Bo-Bo)（8 动 8 拖）,中车四方,≥88%,400.0,260.0,交 - 直 - 交电传动，接触网供电,250km/h,干线客运,30 列,,,
+,CRH2C 一阶段,2007 年,2010 年,25700 (头车)/25000 (中间车),3380.0,345t/8 节,2500.0,14t,3×(Bo-Bo)（6 动 2 拖）,中车四方,≥88%,300.0,200.0,交 - 直 - 交电传动，接触网供电,350km/h,高铁干线客运,60 列,,,
+,CRH2C 二阶段,2009 年,2012 年,25700 (头车)/25000 (中间车),3380.0,345t/8 节,2500.0,14t,3×(Bo-Bo)（6 动 2 拖）,中车四方,≥88%,300.0,200.0,交 - 直 - 交电传动，接触网供电,350km/h,高铁干线客运,40 列,,,
+,CRH2E,2007 年,2015 年,25700 (头车)/25000 (中间车),3380.0,345t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车四方,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,250km/h,干线卧铺客运,20 列,,,
+,CRH2E-NG,2015 年,2020 年,25700 (头车)/25000 (中间车),3380.0,345t/8 节,2500.0,14t,3×(Bo-Bo)（6 动 2 拖）,中车四方,≥88%,300.0,200.0,交 - 直 - 交电传动，接触网供电,250km/h,干线卧铺客运,15 列,,,
+,CRH2G,2014 年,2018 年,25700 (头车)/25000 (中间车),3380.0,345t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车四方,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,250km/h,高原 / 高寒干线客运,超 50 列,,,
+,CRH2H,2015 年,2016 年,25700 (头车)/25000 (中间车),3380.0,345t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车四方,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,250km/h,抗台风沿海客运,5 列,,,
+,CRH2J,2015 年,2016 年,25700 (头车)/25000 (中间车),3380.0,345t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车四方,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,250km/h,综合检测车,2 列,,,
+,CRH3A,2017 年,2020 年,25860 (头车)/25000 (中间车),3265.0,380t/8 节,2500.0,17t,3×(Bo-Bo)（4 动 4 拖）,中车唐山 / 长客,≥88%,240.0,150.0,交 - 直 - 交电传动，接触网供电,250km/h,干线 / 城际客运,超 100 列,,,
+,CRH3A-A,2019 年,2020 年,25860 (头车)/25000 (中间车),3265.0,380t/8 节,2500.0,17t,3×(Bo-Bo)（4 动 4 拖）,中车唐山,≥88%,240.0,150.0,交 - 直 - 交电传动，接触网供电,200km/h,城际客运,20 列,,,
+,CRH3C,2008 年,2015 年,25860 (头车)/25000 (中间车),3265.0,380t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车唐山 / 西门子,≥88%,300.0,200.0,交 - 直 - 交电传动，接触网供电,350km/h,高铁干线客运,80 列,,,
+,CRH5A,2007 年,2018 年,27600 (头车)/25000 (中间车),3200.0,420t/8 节,2700.0,17t,4×(Bo-Bo)（5 动 3 拖）,中车长客 / 阿尔斯通,≥88%,265.0,180.0,交 - 直 - 交电传动，接触网供电,250km/h,干线客运,超 150 列,,,
+,CRH5A 统型,2013 年,2018 年,27600 (头车)/25000 (中间车),3200.0,420t/8 节,2700.0,17t,4×(Bo-Bo)（5 动 3 拖）,中车长客,≥88%,265.0,180.0,交 - 直 - 交电传动，接触网供电,250km/h,干线客运,超 100 列,,,
+,CRH5E,2015 年,2020 年,27600 (头车)/25000 (中间车),3200.0,420t/8 节,2700.0,17t,4×(Bo-Bo)（5 动 3 拖）,中车长客,≥88%,265.0,180.0,交 - 直 - 交电传动，接触网供电,250km/h,干线卧铺客运,20 列,,,
+,CRH5G,2014 年,2018 年,27600 (头车)/25000 (中间车),3200.0,420t/8 节,2700.0,17t,4×(Bo-Bo)（5 动 3 拖）,中车长客,≥88%,265.0,180.0,交 - 直 - 交电传动，接触网供电,250km/h,高原 / 高寒干线客运,超 80 列,,,
+,CRH5J,2015 年,2016 年,27600 (头车)/25000 (中间车),3200.0,420t/8 节,2700.0,17t,4×(Bo-Bo)（5 动 3 拖）,中车长客,≥88%,265.0,180.0,交 - 直 - 交电传动，接触网供电,250km/h,综合检测车,2 列,,,
+,CRH380A,2010 年,2017 年,26500 (头车)/25000 (中间车),3380.0,380t/8 节,2500.0,15t,3×(Bo-Bo)（6 动 2 拖）,中车四方,≥90%,300.0,200.0,交 - 直 - 交电传动，接触网供电,380km/h,高铁干线客运,超 400 列,,,
+,CRH380AL,2010 年,2017 年,26500 (头车)/25000 (中间车),3380.0,760t/16 节,2500.0,15t,6×(Bo-Bo)（14 动 2 拖）,中车四方,≥90%,600.0,400.0,交 - 直 - 交电传动，接触网供电,380km/h,高铁干线客运,100 列,,,
+,CRH380A 统型,2013 年,2017 年,26500 (头车)/25000 (中间车),3380.0,380t/8 节,2500.0,15t,3×(Bo-Bo)（6 动 2 拖）,中车四方,≥90%,300.0,200.0,交 - 直 - 交电传动，接触网供电,380km/h,高铁干线客运,超 300 列,,,
+,CRH380AJ,2011 年,2012 年,26500 (头车)/25000 (中间车),3380.0,380t/8 节,2500.0,15t,3×(Bo-Bo)（6 动 2 拖）,中车四方,≥90%,300.0,200.0,交 - 直 - 交电传动，接触网供电,400km/h,高速综合检测车,5 列,,,
+,CRH380AM,2014 年,2014 年,26500 (头车)/25000 (中间车),3380.0,380t/8 节,2500.0,15t,4×(Bo-Bo)（8 动 0 拖）,中车四方,≥90%,450.0,300.0,交 - 直 - 交电传动，接触网供电,500km/h,高速试验车,1 列,,,
+,CRH380AN,2015 年（下线），2019 年（正式定名）,无量产，仅试制 1 列,203000（全列总长），头车 26500，中间车 25000,3380.0,380t/15t,转向架轴距 2500，转向架中心距 17500,15t,4×(Bo-Bo)（4 动 4 拖）,中车青岛四方机车车辆股份有限公司,≥90%,270.0,180.0,交 - 直 - 交电传动，永磁同步电机牵引，接触网单相 25kV/50Hz 供电,380km/h,干线 / 城际客运，永磁牵引技术验证,1 列（编号 CRH380AN-0206）,,,
+,CRH380B,2010 年,2017 年,25860 (头车)/25000 (中间车),3265.0,400t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车唐山 / 长客,≥90%,310.0,210.0,交 - 直 - 交电传动，接触网供电,380km/h,高铁干线客运,超 500 列,,,
+,CRH380BL,2010 年,2017 年,25860 (头车)/25000 (中间车),3265.0,800t/16 节,2500.0,17t,8×(Bo-Bo)（8 动 8 拖）,中车唐山 / 长客,≥90%,620.0,420.0,交 - 直 - 交电传动，接触网供电,380km/h,高铁干线客运,115 列,,,
+,CRH380BG,2014 年,2017 年,25860 (头车)/25000 (中间车),3265.0,400t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车唐山 / 长客,≥90%,310.0,210.0,交 - 直 - 交电传动，接触网供电,380km/h,高寒高铁干线客运,超 100 列,,,
+,CRH380BJ,2015 年,2016 年,25860 (头车)/25000 (中间车),3265.0,400t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车唐山,≥90%,310.0,210.0,交 - 直 - 交电传动，接触网供电,380km/h,综合检测车,2 列,,,
+,CRH380CL,2012 年,2013 年,26600 (头车)/25000 (中间车),3360.0,760t/16 节,2500.0,15t,6×(Bo-Bo)（12 动 4 拖）,中车长客,≥90%,600.0,400.0,交 - 直 - 交电传动，接触网供电,380km/h,高铁干线客运,25 列,,,
+,CRH380D,2012 年,2017 年,26600 (头车)/25000 (中间车),3360.0,380t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车四方庞巴迪,≥90%,310.0,210.0,交 - 直 - 交电传动，接触网供电,380km/h,高铁干线客运,70 列,,,
+,CRH6A,2012 年,量产中,25700 (头车)/25000 (中间车),3300.0,340t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车四方,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,200km/h,城际 / 市域客运,超 200 列,,,
+,CRH6A-A,2018 年,量产中,25700 (头车)/25000 (中间车),3300.0,170t/4 节,2500.0,14t,1×(Bo-Bo)（2 动 2 拖）,中车四方,≥88%,100.0,65.0,交 - 直 - 交电传动，接触网供电,200km/h,市域通勤,超 100 列,,,
+,CRH6F,2015 年,量产中,25700 (头车)/25000 (中间车),3300.0,340t/8 节,2500.0,14t,2×(Bo-Bo)（4 动 4 拖）,中车四方,≥88%,200.0,130.0,交 - 直 - 交电传动，接触网供电,160km/h,市域通勤,超 50 列,,,
+,CRH6F-A,2018 年,量产中,25700 (头车)/25000 (中间车),3300.0,170t/4 节,2500.0,14t,1×(Bo-Bo)（2 动 2 拖）,中车四方,≥88%,100.0,65.0,交 - 直 - 交电传动，接触网供电,160km/h,市域通勤,超 50 列,,,
diff --git a/csv/中国旅游列车统计表.csv b/csv/中国旅游列车统计表.csv
new file mode 100644
index 0000000..3c87480
--- /dev/null
+++ b/csv/中国旅游列车统计表.csv
@@ -0,0 +1,40 @@
+中国旅游列车统计表,,,,,,
+旅游列车名称,牵引机车常用型号,所属路局,核心运行区段 / 主题,,,
+星光・燕赵号,SS9G、DF11、DF4C,北京局,京津冀环线、承德 / 邯郸 / 张家口短途文旅,,,
+津旅时光号,HXD3C、DF4D,北京局,天津 — 蓟州北，近郊休闲观光,,,
+好客山东・齐鲁 1 号,HXD3D、HXD3C、DF4BK,济南局,山东省内环线、泰山 / 东营 / 威海文旅专线,,,
+齐鲁风情号,DF11、HXD3C,济南局,鲁西南、沂蒙山区短途旅游专列,,,
+丝路梦享号,HXD1D、HXD3C,青藏 / 北京局,青甘大环线、南北疆长途豪华旅游专列,,,
+安逸号,SS7E、HXD3C,成都局,川渝出发、西北 / 新疆 / 跨省长线旅游,,,
+成都号,HXD3C,成都局,成都始发，新疆全景、西北环线专列,,,
+天府之星号,HXD3C、HXD1C,成都局,西南跨省、云贵康养旅游专列,,,
+蜜都饶河号,DF4D、DF11、HXD3C,哈尔滨局,东北边境、抚远 / 饶河 / 漠河找北专列,,,
+悠享龙江・银旅号,HXD3C、DF4D,哈尔滨局,亚布力、阿尔山、呼伦贝尔草原冰雪专列,,,
+龙江之星观光专列,DF11、HXD3C,哈尔滨局,黑龙江省内全域、界江、森林观光,,,
+草原之星号,DF4D、HXD3D,呼和浩特局,内蒙草原、呼伦贝尔、锡林郭勒环线,,,
+沙漠之眼号,HXD3C、SS7C,兰州局,宁夏中卫、腾格里沙漠、河西走廊专线,,,
+丝路梵音号,SS7E、HXD3D,兰州局,甘肃、青海、敦煌莫高窟文旅专列,,,
+西域楼兰号,HXD1D、HXD3C,乌鲁木齐局,南疆环线、喀什、和田、罗布泊旅游,,,
+新东方快车,HXD3D、HXD1D,乌鲁木齐局,豪华顶级新疆全域观光专列,,,
+闽江之星号,HXD3C、DF11,南昌局,福建山海环线、武夷山、厦门短途专列,,,
+武夷山水号,DF4D、HXD1C,南昌局,赣闽边界、山水生态旅游专线,,,
+湘遇湘西号,HXD3C、SS8,广州局,张家界、凤凰古城、湘西风情专列,,,
+南国风情号,HXD1D、DF11G,广州局,两广环线、滨海、康养旅游专列,,,
+桂韵山水号,HXD3C、DF4D,南宁局,桂林、阳朔、广西喀斯特风光专线,,,
+北部湾之恋号,HXD3C,南宁局,北海、防城港、中越边境旅游专列,,,
+彩云之南号,HXD3C、SS7E,昆明局,云南全境、大理丽江、滇西环线,,,
+丽江时光号,DF4D、HXD1C,昆明局,滇西北短途文旅、雪山观光专列,,,
+黄河文明号,HXD3D、SS7D,太原局,晋陕黄河沿线、平遥、壶口瀑布专线,,,
+三晋文旅号,DF11、HXD3C,太原局,山西大院、五台山、太行山水专列,,,
+中原古韵号,HXD3C、SS8,郑州局,河南古都、洛阳、开封、黄河文旅,,,
+武当问道号,HXD3C、DF4D,武汉局,鄂西北、武当山、神农架生态专列,,,
+三峡游轮专列,HXD1D、DF11G,武汉局,长江三峡联动、鄂渝跨省旅游,,,
+长三角乡愁号,DF11、HXD3C,上海局,江浙沪皖古镇、水乡短途旅游专列,,,
+千岛湖水韵号,HXD3C,上海局,杭州、千岛湖、皖南川藏线专线,,,
+新东方快车（新疆）,HXD3D / HXD1D,乌局乌段,乌鲁木齐↔喀什 / 阿勒泰，新疆南北疆全景豪华专列,,,
+龙江之星,DF11 / HXD3C,哈局牡段,哈尔滨↔漠河 / 抚远，黑龙江界江、森林观光专列,,,
+草原之星,HXD3D / DF4D,呼局包段,呼和浩特↔海拉尔 / 满洲里，内蒙古草原环线,,,
+额济纳胡杨专列（季节性）,HXD3C / DF4D,呼局 / 兰局,包头 / 银川↔额济纳旗，秋季胡杨林观光,,,
+雪域天路号,HXD1D / 青藏 NJ2,青藏宁段,西宁 / 拉萨↔日喀则 / 那曲，高原风光旅游,,,
+太行山水专列,HXD3C / DF4D,京局 / 太局,北京 / 太原↔长治 / 晋城，太行大峡谷旅游,,,
+长白山森林号,DF4D / HXD3C,沈局吉段,长春 / 沈阳↔长白山，东北森林冰雪专线,,,
diff --git a/csv/中国蒸汽机车型号表（建国后）.csv b/csv/中国蒸汽机车型号表（建国后）.csv
new file mode 100644
index 0000000..f6dc442
--- /dev/null
+++ b/csv/中国蒸汽机车型号表（建国后）.csv
@@ -0,0 +1,20 @@
+中国建国后蒸汽汽车一览表,,,,,,,,,,,,,,
+,,,,,,,,,,,,,,
+,,,,,,,,,,,,,,
+小表编号,型号（代号）,主要生产厂商,生产台数,首产时间,停产时间,最大使用寿命（结合实际）,轴式,构造速度/km/h,机车长度/mm,牵引力/kW,机械效率,,,
+表1,中国铁路干线客运蒸汽机车,,,,,,,,,,,,,
+1.0,胜利型（SL）,四方,151.0,1956年,1959年,约25年,2-3-1式,110.0,22618.0,165.65,7.5%-8.1%,,,
+2.0,人民型（RM）,四方,258.0,1958年,1966年,约30年,2-3-1式,110.0,23252.0,177.0,8.0%-8.5%,,,
+表2,中国铁路干线货运蒸汽机车,,,,,,,,,,,,,
+1.0,解放型（JF）,四方、连厂,455.0,1952年,1960年,约28年,1-4-1式,80.0,21906.0,236.0,6.5%-7.2%,,,
+2.0,建设型（JS）,四方、戚墅堰,1916.0,1957年,1988年,约35年,1-4-1式,85.0,23389.0,250.0,7.0%-8.1%,,,
+3.0,前进型（QJ）,大同厂,4708.0,1956年,1988年,约40年,1-5-1式,80.0,26063/29180,324.0,8.42%（改进后）,,,
+表3,中国铁路工矿调车蒸汽机车,,,,,,,,,,,,,
+1.0,上游型（SY）,唐山厂,1769.0,1960年,1999年,约45,1-4-1式,80.0,21643.0,240.0,7.8%-8.5%,,,
+2.0,跃进型（YJ）,济南、唐厂,202.0,1958年,1961年,约20,1-3-1式,60.0,18326.0,137.0,6.0%-7.0%,,,
+3.0,工建型（GJ）,太原、成都厂,122.0,1958年,1961年,约38,0-3-0式,35.0,9735.0,144.0,5.5%-6.5%,,,
+4.0,蓉建型（--）,成都厂,70.0,1958年,1961年,无权威数据,0-4-0式,由于生产时间短年代许多数据不准确，工矿用,,,,,,
+表4,其他特殊用途蒸汽机车,,,,,,,,,,,,,
+1.0,星火型（XH）,大同厂,48.0,1960年,1961年,不详,0-4-0式,25.0,13480.0,75.0,不详,,,
+2.0,友好/反帝/反修型,苏联,本机车是苏联的援助机车,,,,,,,,,,,
+3.0,红旗型,典型的大跃进时期的产物，只生产了三台，具体无权威认证资料,,,,,,,,,,,,
diff --git a/csv/中国蒸汽汽车统计表（建国前）.csv b/csv/中国蒸汽汽车统计表（建国前）.csv
new file mode 100644
index 0000000..e69de29
diff --git a/csv/中国铁路普速检测车统计表.csv b/csv/中国铁路普速检测车统计表.csv
new file mode 100644
index 0000000..eefdfcd
--- /dev/null
+++ b/csv/中国铁路普速检测车统计表.csv
@@ -0,0 +1,231 @@
+中国铁路普速检测列车统计表,,,,,,,,,,,
+车号,功能,车型名称,配属,生产厂商,运行时速,颜色,状态,侧标,备注,,
+SYJZ-0001,试验车,移动式线路动态加载试验车,国铁,资阳,160km/h,青蓝,半封存,“移动式线路动态加载试验车”,英迈,,
+QJ-088,桥检,,哈局,,,刷绿,封存,,,,
+WX25T-090083,接触网检测车,WX25T型接触网试验车,京局,唐厂,160km/h,刷绿,半封存,,,,
+RW25T-553953,红外线检测车,RW25T型软卧车,乌局,,160km/h,刷绿,运行,,乌局魔改,,
+YW25K-670894,红外线检测车,YW25K型硬卧车,沈局沈段,,140km/h,刷绿,运行,,沈局魔改,,
+SY22-995002,试验车,SY22型试验车,京局京西段,,120km/h,原色绿,展览,,,,
+SY25-997111,试验车,SY25型动力学试验车,济局,,160km/h,刷绿,运行,,四方研究所（济南局代管）,,
+SY22-997044,试验车,SY22型试验车,京局京段,,120km/h,原色绿,报废,,铁科院,,
+SY-997050,试验车,SY22型试验车,京局,四方,120km/h,刷绿,报废,,,,
+WX22-997070,维修车,WX22型检查车,兰局兰段,浦镇,120km/h,刷绿,报废,,,,
+SY22-997152,试验车,SY22型制动和动力学试验车,京局京段,长客,140km/h,刷绿,展览,,,,
+SY-97035,维修车,22型维修车,？,？,120km/h,刷红,？,,,,
+SY-97531,接触网检测车,检测车,郑局,？,？,原色绿,？,,,,
+SY-97334,试验车,试验车,？,？,？,黄,展览,“试验车”,中国铁道博物馆（东郊馆）,,
+SY-97407,试验车,试验车,？,？,？,原色绿,展览,,车体外壳和满铁极为相似,,
+SY-97197,试验车,试验车,塔河工务段,大连工厂,？,原色绿,展览,,制作于昭和13年,,
+SY-97612,试验车,接触网检测车,京局京段,日本富士重工,？,天蓝,报废拆解,,日本进口的早期检测车,,
+SY-97609,试验车,SY22型实验车,济局青段,四方,120km/h,刷绿,展览,,,,
+SY25k997127,试验车,SY25K型实验车,沈局沈段,长客,140km/h,刷绿,？,,定员0人,,
+WX-980,维修车,米轨铁路维修车,昆局昆段,唐山,50km/h,蓝,？,,,,
+WX22-088,维修车,WX22维修车,哈局三段,？,120km/h,原色绿,报废,,,,
+SY-997192,试验车,SY型试验车,京局京段,,120km/h,原色绿,报废,,铁科院,,
+TZ22-997251,隧道检查车,TZ22型隧道检查车,兰局兰段,四方,120km/h,原色绿,封存,,,,
+WX-997467,维修车,WX22型维修车,上局合段,四方,120km/h,原色绿,报废,,,,
+SY22-997540,试验车,SY22型接触网检测车,京局京段,浦镇,140km/h,刷绿,展览,,,,
+DJ-997598,轨道检查车,DJ型轨道检测车,兰局兰段,,120km/h,蓝,报废,,,,
+WX22-997623,维修车,WX22型维修车,南局,,120km/h,刷绿,运行,,,,
+DJ-997740,轨道检查车,DJ型轨道检测车,京局京段,,120km/h,刷绿,报废,,,,
+SY22B-997742,轨道检查车,SY22B型轨道检查车,乌局乌段,浦镇,100km/h,刷绿,报废,,,,
+WX22-997744,维修车,WX22型维修车,哈局三段,浦厂,120km/h,刷绿,报废,,,,
+SY25-997745,试验车,SY25型牵引试验车,京局京段,四方,140km/h,刷绿,运行,,,,
+DJ25K-997750,轨道检查车,DJ25K型轨道检查车,,浦镇,140km/h,刷绿,报废,,,,
+DJ25K-997758,轨道检查车,DJ25K型轨道检查车,广铁？,浦镇,140km/h,刷绿,报废,,,,
+DJ25K-997759,轨道检测车,DJ25K型轨道检测车,上局,浦镇,140km/h,刷绿,报废,,,,
+SY25K-997845,试验车,SY25K型货车动力学试验车,京局京段,长客,160km/h,刷绿,运行,,,,
+SY25K-997846,试验车,SY25K型试验车,京局京段,长客,140km/h,刷绿,运行,,,,
+SY25-997847,试验车,SY25型通讯电务检测车,京局京段,长客,140km/h,刷绿,运行,,,,
+SY25G-997896,接触网试验车,SY25G型接触网试验车,南局福段,长客,120km/h,蓝,封存,,,,
+DJ25k-997990,轨道检查车,DJ25K型轨道检查车,京局,浦镇,140km/h,刷绿,半封存,“北京局轨道检查车”,,,
+SY25K-998149,试验车,SY25K型电务检测车,广铁广段,,140km/h,刷绿,运行,,,,
+WX22B-998264,隧检车,WX22B型隧道检查车,沈局沈段,长客,120km/h,刷绿,半封存,,,,
+SY25B-998313,试验车,SY25B型试验车,成局成段,唐厂,120km/h,？,？,,,,
+SSY25K-998329,双层试验车,SSY25K型双层试验车,广铁广段,浦镇,140km/h,白蓝绿,封存,,双层检、广州机务段,,
+WX25K-998368,红外线检测车,WX25K型红外线检测车,京局京段,唐山,140km/h,刷绿,运行,,,,
+WX25K-998385,轨道检查车,WX25K型轨道检查车,沈局沈段,浦镇,140km/h,刷绿,停用,,,,
+WX25K-998386,轨道检查车,WX25K型轨道检查车,呼局包段,浦镇,140km/h,刷绿,运行,,,,
+WX25K-998387,轨道检查车,WX25K型轨道检查车,哈局三段,浦厂,140km/h,刷绿,运行,,,,
+WX25B-998388,轨道检查车,WX25B型轨道检查车,昆局昆段,,120km/h,刷绿,半封存,,,,
+SY25G-998395,试验车,SY25G型试验车,南局,,120km/h,刷绿,封存,,,,
+WX25K-998414,轨道检查车,WX25K型轨道检查车,沈局沈段,浦镇,140km/h,刷绿,运行,,,,
+WX25K-998415,轨道检查车,WX25K型轨道检查车,济局,浦镇,140km/h,刷绿,运行,,,,
+WX25K-998416,轨道检查车,WX25K型轨道检查车,郑局郑段,浦镇,140km/h,刷绿,运行,,,,
+SY25k998440,试验车,SY25K型牵引试验车,京局,唐山,140km/h,刷绿,封存,,,,
+WX25K-998442,红外线检测车,WX25K型红外线检测车,郑局郑段,唐山,140km/h,刷绿,封存,, 2021.8.31报废,,
+SY25K-998485,试验车,SY25K型试验车（动力学）,郑局郑段,长客,160km/h,刷绿,运行,,,,
+SSY25K-998546,双层试验车,SSY25K型双层试验车,沈局沈段,浦镇,160km/h,白粉,封存,“沈阳铁路局动力试验车”,双层检,,
+SY25K-998585,试验车,SY25K型试验车（电务）,济局济段,长客,140km/h,刷绿,运行,,,,
+SY25B-998623,试验车,SY25B型试验车,广铁广段,长客,120km/h,刷绿,封存,,,,
+SY25K-998661,试验车,SY25K型电务检测车,京局,唐山,140km/h,刷绿,半封存,,西大库,,
+WX25K-998712,维修车,WX25K型接触网检测车,沈局,,160km/h,刷绿,停用,,,,
+SY25K-998799,安全综合检查车,SY25K型安全综合检查车,国铁,浦镇,160km/h,刷绿,运行,“国铁集团安全综合检查车”,,,
+SSY25k-998823,双层试验车,SSY25k型双层牵引试验车,京局,四方,160km/h,灰蓝红,半封存,“TEST”,四方修后封存两年后于2025年6月4日重新启用,,
+WX25K-998844,红外线检测车,WX25K型检测车,广铁广段,四方,140km/h,刷绿,运行,,,,
+WX25T-998845,接触网检测车,WX25T型接触网检查车,广铁广段,四方,160km/h,刷绿,运行,,,,
+SY25K-998941,接触网检测车,SY25K型试验车（接触网）,京局,唐厂,160km/h,刷绿,运行,,,,
+WX25K-998945,轨道检查车,WX25K型轨道检查车,西局西段,浦镇,140km/h,刷绿,运行,,,,
+WX25K-998946,轨道检查车,WX25K型轨道检查车,国铁,浦镇,140km/h,蓝,运行,“国铁集团轨道检查车”,,,
+WX25K-998947,轨道检查车,WX25K型轨道检查车,国铁,浦镇,160km/h,双白蓝,运行,“国铁集团轨道检查车”,双层检,,
+WX25K-998948,红外线检测车,WX25K型红外线检测车,上局,,140km/h,刷绿,运行,,,,
+WX25K-998949,轨道检查车,WX25K型轨道检查车,乌局乌段,浦厂,140km/h,刷绿,运行,,,,
+SY25K-998951,试验车,SY25K型电务检测车,沈局沈段,,160km/h,刷绿,停用,,,,
+WX25K-998981,红外线检测车,WX25K型红外线检测车,成局成段,浦厂,140km/h,刷绿,运行,,,,
+SY25K-999003,试验车,SY25K型试验车,哈局三段,,140km/h,刷绿,半封存,,,,
+WX25K-999026,工务轨检车,WX25K型工务轨检车,兰局兰段,浦镇,160km/h,双白蓝,运行,,双层检,,
+WX25K-999027,信号试验车,SY25K型信号试验车,兰局兰段,唐山,160km/h,刷绿,运行,,,,
+WX25K-999028,红外线检测车,WX25K型红外线检测车,兰局兰段,唐山,160km/h,刷绿,运行,,,,
+SY25K-999049,红外线检测车,SY25K型红外线检测车,哈局三段,唐厂,160km/h,刷绿,运行,,,,
+SY25T-999209,试验车,SY25T型电务检测车,国铁,长客,160km/h,黄,运行,“国铁集团电务检测车”,,,
+SY25K-999210,试验车,SY25K型试验车（红外线）,宁局南段,长客,140km/h,刷绿,运行,,,,
+SY25K-999211,试验车,SY25K型试验车（接触网）,兰局兰段,四方,140km/h,刷绿,运行,,2024.6.22刷绿，原先灰红,,
+WX25T-999216,红外线检测车,SY25T型红外线检测车,南局昌段,长客,160km/h,刷绿,运行,,,,
+WX25T-999246,轨道检查车,WX25T型轨道检查车,广铁沙段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999247,轨道检查车,WX25T型轨道检查车,哈局三段,浦镇,160km/h,原色蓝白,运行,,,,
+WX25T-999248,轨道检查车,WX25T型轨道检查车,太局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999249,轨道检查车,WX25T型轨道检查车,郑局郑段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999250,轨道检查车,WX25T型轨道检查车,宁局南段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999251,轨道检查车,WX25T型轨道检查车,成局成段,浦镇,160km/h,刷绿,运行,,,,
+WX25DT-999252,综合检测车,WX25DT型综合检测车,沈局,四方,200km/h,天驰涂装,封存,“GDJ”,编入天驰号动车组,,
+WX25K-999253,红外线检测车,WX25K型红外线检测车,济局济段,,140km/h,刷绿,运行,,,,
+WX25T-999254,电务检测车,WX25T型电务检测车,郑局,浦镇,160km/h,刷绿,运行,,,,
+SY25T-999255,电务试验车,SY25T型电务试验车,武局,,160km/h,刷绿,运行,,,,
+SY25T-999274,试验车,SY25T型红外线检测车,郑局郑段,浦镇,160km/h,刷绿,运行,,,,
+SY25T-999275,试验车,SY25T型试验车（接触网）,成局成段,唐厂,160km/h,刷绿,运行,,,,
+WX25T-999277,维修车,WX25T型红外线综合检测车,青藏宁段,四方,160km/h,刷绿,运行,,,,
+WX25T-999281,轨道检查车,WX25T型轨道检查车,南局昌段,浦镇,160km/h,刷绿,运行,“南昌铁路局轨道检查车”,圆屁股,,
+WX25T-999282,维修车,WX25T型轨道检查车,青藏宁段,四方,160km/h,刷绿,运行,,,,
+WX25T-999283,红外线检测车,WX25T型红外线检测车,太局原段,唐山,160km/h,刷绿,运行,,,,
+SY25T-999284,电务检测车,SY25T型电务检测车,太局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999285,电务检测车,WX25T型电务检测车,上局沪段,唐山,160km/h,刷绿,运行,,,,
+SY25G-999286,牵引试验车,SY25G型牵引试验车,太局原段,唐厂,120km/h,刷绿,运行,,,,
+WX25T-999287,轨道检查车,WX25T型轨道检查车,广铁集团,浦镇,160km/h,刷绿,运行,,圆屁股,,
+WX25T-999288,轨道检查车,WX25T型轨道检查车,上局沪段,浦镇,160km/h,刷绿,运行,,圆屁股,,
+WX25T-999289,轨道检查车,WX25T型轨道检查车,京局,浦镇,160km/h,白,运行,,圆屁股,,
+WX25T-999290,轨道检查车,WX25T型轨道检查车,武局,浦镇,160km/h,刷绿,运行,,圆屁股,,
+WX25T-999291,维修车,WX25T型电务综合检测车,青藏宁段,四方,160km/h,刷绿,运行,,,,
+WX25T-999293,电务检测车,WX25T型电务检测车,成局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999299,红外线检测车,WX25T型红外线检测车,西局西段,,160km/h,刷绿,运行,,,,
+SY25T-999300,综合检测车,SY25T型综合检测车,西局西段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999304,轨道检查车,WX25T型轨道检查车,国铁,浦镇,160km/h,白,运行,“国铁集团轨道检查车”,,,
+WX25T-999305,轨道检查车,WX25T型轨道检查车,国铁,浦镇,160km/h,白,运行,“国铁集团轨道检查车”,铁科院小贴纸,,
+WX25T-999306,轨道检查车,WX25T型轨道检查车,京局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999307,轨道检查车,WX25T型轨道检查车,上局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999308,轨道检查车,WX25T型轨道检查车,武局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999309,轨道检查车,WX25T型轨道检查车,广铁沙段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999310,红外线检测车,WX25T型红外线检测车,武局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999311,接触网检查车,WX25T型接触网检测车,呼局包段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999312,接触网检查车,WX25T型接触网检测车,济局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999313,接触网检查车,WX25T型接触网检测车,青藏宁段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999314,接触网检查车,WX25T型接触网检测车,乌局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999315,接触网检查车,WX25T型接触网检测车,太局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999316,接触网检查车,WX25T型接触网检测车,武局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999317,电务试验车,WX25T型电务试验车,呼局包段,,160km/h,刷绿,运行,,,,
+WX25T-999318,隧道检查车,WX25T型隧道状态检查车,国铁,浦镇,160km/h,原色蓝白,运行,“国铁集团隧道状态检查车”,,,
+WX25T-999319,仪器试验车,SY25T型仪器试验车,国铁,浦镇,160km/h,原色蓝白,半封存,,,,
+WX25T-999320,红外线检测车,WX25T型红外线检测车,呼局包段,,160km/h,刷绿,运行,,,,
+WX25T-999328,电务试验车,WX25T型电务试验车,西局,,160km/h,刷绿,运行,,,,
+WX25T-999329,轨道检查车,WX25T型轨道检查车,呼局包段,浦镇,160km/h,白,运行,,,,
+TZ25B-999331,特种车,TZ25B型隧道检查车,兰局兰段,,120km/h,蓝,封存,,,,
+WX25T-999332,轨道检查车,WX25T型轨道检查车,哈局三段,浦镇,160km/h,白,运行,,,,
+WX25T-999333,轨道检查车,WX25T型轨道检查车,京局,浦镇,160km/h,白,运行,,,,
+WX25T-999334,轨道检查车,WX25T型轨道检查车,济局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999335,轨道检查车,WX25T型轨道检查车,兰局,浦镇,160km/h,白,运行,,,,
+WX25T-999336,轨道检查车,WX25T型轨道检查车,乌局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999337,轨道检查车,WX25T型轨道检查车,西局,浦镇,160km/h,白,运行,,,,
+WX25T-999338,轨道检查车,WX25T型轨道检查车,呼局,浦镇,160km/h,白,运行,,,,
+WX25T-999339,轨道检查车,WX25T型轨道检查车,上局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999340,轨道检查车,WX25T型轨道检查车,南局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999341,轨道检查车,WX25T型轨道检查车,宁局,浦镇,160km/h,刷绿,运行,,2024.2.8刷绿，原先白,,
+WX25T-999342,轨道检查车,WX25T型轨道检查车,成局,浦镇,160km/h,刷绿,运行,,,,
+WX25B-999348,维修车,WX25B型维修车,哈局三段,长客,120km/h,刷绿,运行,,配合超级超限,,
+WX25T-999349,维修车,WX25T型维修车（电务）,南局,四方,160km/h,刷绿,运行,,,,
+WX25B-999353,维修车,WX25B型维修车,哈局三段,长客,120km/h,刷绿,运行,,配合超级超限,,
+WX25B-999354,维修车,WX25B型维修车,哈局三段,长客,120km/h,刷绿,运行,,配合超级超限,,
+WX25B-999355,维修车,WX25B型维修车,哈局三段,长客,120km/h,刷绿,运行,,配合超级超限,,
+WX25B-999357,维修车,WX25B型维修车,哈局三段,长客,120km/h,刷绿,运行,,配合超级超限,,
+SY25T-999422,电务检测车,WX25T型电务检测车,武局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999423,轨道检查车,WX25T型轨道检查车,沈局沈段,浦镇,160km/h,白,运行,,,,
+WX25T-999436,维修车,WX25T型维修车（接触网）,哈局三段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999437,接触网检测车,WX25T型接触网检测车,郑局郑段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999438,接触网检测车,WX25T型接触网检测车,成局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999439,接触网检测车,WX25T型接触网检测车,昆局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999440,接触网检测车,WX25T型接触网检测车,国铁,唐山,160km/h,刷绿,运行,"""国铁集团接触网检测车”",,,
+WX25T-999447,轨道检查车,WX25T型轨道检查车,昆局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999448,轨道检查车,WX25T型轨道检查车,沈局沈段,浦镇,160km/h,白,运行,,,,
+WX25T-999450,电务检测车,WX25T型电务检测车,济局,唐厂,160km/h,刷绿,运行,,,,
+SY25T-999451,电务检测车,WX25T型电务检测车,宁局,唐厂,160km/h,刷绿,运行,,,,
+SY25T-999452,电务检测车,WX25T型电务检测车,国铁,唐厂,160km/h,刷绿,运行,“国铁集团电务检测车”,,,
+WX25T-999453,轨道检查车,WX25T型轨道检查车,太局原段,浦镇,160km/h,白,运行,,,,
+WX25T-999454,接触网检测车,WX25T型接触网检测车,上局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999455,接触网检测车,WX25T型接触网检测车,南局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999456,接触网检测车,WX25T型接触网检测车,宁局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999457,接触网检测车,WX25T型接触网检测车,哈局三段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999499,隧道检查车,WX25T型隧检车,沈局沈段,四方,160km/h,刷绿,运行,,,,
+SY25T-999500,电务检测车,WX25T型电务检测车,哈局三段,唐厂,160km/h,刷绿,运行,,,,
+SY25T-999501,电务检测车,WX25T型电务检测车,京局京段,唐厂,160km/h,刷绿,运行,,,,
+SY25T-999502,电务检测车,WX25T型电务检测车,广铁沙段,唐厂,160km/h,刷绿,运行,,,,
+SY25T-999503,电务检测车,WX25T型电务检测车,乌局,唐厂,160km/h,刷绿,运行,,,,
+WX25T-999504,接触网检测车,WX25T型接触网检测车,沈局沈段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999505,接触网检测车,WX25T型接触网检测车,京局京段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999506,接触网检测车,WX25T型接触网检测车,武局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999507,接触网检测车,WX25T型接触网检测车,兰局兰段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999508,轨道检查车,WX25T型轨道检查车,哈局三段,浦镇,160km/h,白,运行,,,,
+WX25T-999509,轨道检查车,WX25T型轨道检查车,西局,浦镇,160km/h,白,运行,,,,
+SY25T-999510,电务检测车,WX25T型电务检测车,成局,唐厂,160km/h,刷绿,运行,,,,
+WX25T-999511,轨道检查车,WX25T型轨道检查车,青藏宁段,浦镇,160km/h,白,运行,,,,
+SY25T-999512,电务检测车,WX25T型电务检测车,沈局沈段,唐厂,160km/h,刷绿,运行,,,,
+SY25T-999513,电务检测车,WX25T型电务检测车,兰局兰段,唐厂,160km/h,刷绿,运行,,,,
+WX25T-999514,轨道检查车,WX25T型轨道检查车,郑局郑段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999515,轨道检查车,WX25T型轨道检查车,成局成段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999516,轨道检查车,WX25T型轨道检查车,成局成段,浦镇,160km/h,刷绿,运行,,,,
+SY25T-999517,电务检测车,WX25T型电务检测车,昆局,唐厂,160km/h,刷绿,运行,,,,
+SY25T-999518,电务检测车,WX25T型电务检测车,郑局,唐厂,160km/h,刷绿,运行,,,,
+SY25T-999519,电务检测车,WX25T型电务检测车,呼局,唐厂,160km/h,刷绿,运行,,,,
+WX25T-999520,轨道检查车,WX25T型轨道检查车,昆局昆段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999521,轨道检查车,WX25T型轨道检查车,兰局兰段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999522,轨道检查车,WX25T型轨道检查车,乌局乌段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999523,红外线检测车,WX25T型红外线检测车,昆局,,160km/h,刷绿,运行,,,,
+WX25T-999524,隧道检查车,WX25T型高速隧道检查车,国铁,,160km/h,白,运行,“国铁集团高速铁路隧道检查车”,,,
+WX25T-999525,轨道检查车,WX25T型轨道检查车,上局沪段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999526,轨道检查车,WX25T型轨道检查车,西局西段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999527,轨道检查车,WX25T型轨道检查车,南局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999528,轨道检查车,WX25T型轨道检查车,宁局南段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999529,轨道检查车,WX25T型轨道检查车,广铁沙段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999530,轨道检查车,WX25T型轨道检查车,京局京段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999531,轨道检查车,WX25T型轨道检查车,呼局包段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999532,接触网检测车,WX25T型接触网检测车,南局昌段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999533,接触网检测车,WX25T型接触网检测车,乌局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999534,接触网检测车,WX25T型接触网检测车,青藏宁段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999535,轨道检查车,WX25T型轨道检查车,武局武段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999536,轨道检查车,WX25T型轨道检查车,沈局沈段,浦镇,160km/h,刷绿,运行,,,,
+SY25T-999537,电务检测车,SY25T型电务检测车,西局,唐厂,160km/h,刷绿,运行,,,,
+WX25T-999538,接触网检测车,WX25T型接触网检测车,西局西段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999539,接触网检测车,WX25T型接触网检测车,广铁沙段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999540,接触网检测车,WX25T型接触网检测车,成局成段,唐山,160km/h,刷绿,运行,,,,
+WX25T-999541,综合检测车,WX25T型综合检测车,成局成段,,160km/h,刷绿,运行,,,,
+WX25T-999542,电务检测车,WX25T型电务试验车,成局成段,浦镇,160km/h,刷绿,运行,,,,
+SY25T-999543,电务检测车,WX25T型电务试验车,南局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999544,综合检测车,WX25T型综合检测车,京局,唐山,160km/h,刷绿,运行,,,,
+WX25T-999545,轨道检查车,WX25T型电务试验车,昆局,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999546,轨道检查车,WX25T型电务试验车,青藏宁段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999547,综合检查车,WX25T型综合检测车,济局济段,唐山,160km/h,刷绿,运行,,丙级公务车改造,,
+WX25T-999548,电务检查车,WX25T型电务检测车,武局,唐山,160km/h,刷绿,运行,,丙级公务车改造,,
+WX25T-999549,轨道检查车,WX25T型轨道检查车,太局原段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999550,轨道检查车,WX25T型轨道检查车,乌局乌段,浦镇,160km/h,刷绿,运行,,,,
+WX25T-999551,轨道检查车,WX25T型轨道检查车,,浦镇,160km/h,刷绿,未出厂,,,,
+GJC25DT-8002,安全检查车,25DT型安全检查车,国能包神铁路,长客,160km/h,包神动车组,运行,“国家能源集团”“包神铁路安全检查车”,,,
+GJC25DT-8007,安全检查车,25DT型安全检查车,国能包神铁路,长客,160km/h,包神动车组,运行,“国家能源集团”“包神铁路安全检查车”,,,
+无,探伤车,朔黄铁路探伤车,国家能源集团,,120km/h,白黄,运行,“国家能源集团”“朔黄铁路探伤车”,朔黄,,
+无,检测车,朔黄铁路电务检测车,国家能源集团,,120km/h,白黄,运行,“国家能源集团”“朔黄铁路检测车”,朔黄,,
+无,检测车,朔黄铁路线路检测车,国家能源集团,,120km/h,白黄,运行,“国家能源集团”“朔黄铁路检测车”,朔黄,,
+无,检测车,朔黄铁路红外线检测车,国家能源集团,,120km/h,白黄,运行,“国家能源集团”“朔黄铁路检测车”,朔黄,,
+WX25T-000001,综合检测车,WX25T型智能重载综合检测车（电务）,国家能源集团,,160km/h,黄黑,运行,“国家能源集团”“智能重载综合检测车”,国能,,
+WX25T-000002,综合检测车,WX25T型智能重载综合检测车（接触网）,国家能源集团,,160km/h,黄黑,运行,“国家能源集团”“智能重载综合检测车”,国能,,
+WX25T-000003,综合检测车,WX25T型智能重载综合检测车,国家能源集团,,160km/h,黄黑,运行,“国家能源集团”“智能重载综合检测车”,国能,,
+WX25T-000004,综合检测车,WX25T型智能重载综合检测车,国家能源集团,,160km/h,黄黑,运行,“国家能源集团”“智能重载综合检测车”,国能,,
+WX25T-000005,接触网检查车,WX25T型接触网检查车,国家能源集团,,160km/h,白黄,运行,“国家能源集团”,朔黄,,
+WX25T-000006,电务检查车,WX25T型电务检查车,国家能源集团,,160km/h,白黄,运行,“国家能源集团”,国能,,
+WX25T-000008,隧道检查车,WX25T型隧道检查车,国家能源集团,,160km/h,白黄,运行,“国家能源集团”,朔黄,,
+WX25G-8130901,轨道检查车,WX25G型轨道检查车,国家能源集团,,120km/h,橘,运行,,,,
diff --git a/csv/中国铁路货车统计表.csv b/csv/中国铁路货车统计表.csv
new file mode 100644
index 0000000..630cef8
--- /dev/null
+++ b/csv/中国铁路货车统计表.csv
@@ -0,0 +1,37 @@
+中国铁路货车统计表,,,,,,,,,,,,,,,,,,,,
+车型大类,车型代码,车型全称,首产时间,停产时间,车辆全长 /mm,车体宽度 /mm,车体高度 /mm,车辆定距 /mm,转向架型号,自重 /t,载重 /t,容积 /m³,构造速度 /km/h,制动方式,车钩类型,主要用途,累计产量,,,
+敞车（C 系列）,C62A,通用敞车,1971 年,1990 年,12500.0,3200.0,3137.0,7500.0,转 8A 型,20.6,60.0,71.6,100.0,空气制动,13 号车钩,煤炭、矿石、建材等通用散堆装货物运输,累计超 10 万辆，已基本淘汰,,,
+,C64K,通用敞车,1998 年,2005 年,13438.0,3200.0,3142.0,8200.0,转 8AG 型 / 转 K2 型,22.5,61.0,73.3,120.0,空气制动,13 号车钩,煤炭、矿石、建材等通用散堆装货物运输,累计超 5 万辆，现役主力通用敞车,,,
+,C64H,通用敞车,1999 年,2005 年,13438.0,3200.0,3142.0,8200.0,转 K3 型,22.7,61.0,73.3,120.0,空气制动,13 号车钩,通用散堆装货物运输,累计超 1 万辆，部分现役,,,
+,C70,通用敞车,2005 年,量产中,13976.0,3200.0,3143.0,8700.0,转 K6 型,23.8,70.0,77.0,120.0,空气制动,17 号车钩,煤炭、矿石、建材等通用散堆装货物运输，国铁主力通用敞车,累计超 15 万辆，现役绝对主力,,,
+,C70E,重载通用敞车,2010 年,量产中,13976.0,3200.0,3143.0,8700.0,转 K6 型,23.6,70.0,77.0,120.0,空气制动,17 号车钩,通用散堆装货物运输，强化重载性能,累计超 8 万辆，现役主力,,,
+,C80,重载运煤敞车,2002 年,2015 年,12000.0,3184.0,3793.0,7200.0,转 K6 型,20.0,80.0,87.0,120.0,空气制动,16 号 / 17 号车钩,大秦线等重载铁路煤炭运输,累计超 5 万辆，重载主力,,,
+,C80B,不锈钢重载敞车,2006 年,量产中,12000.0,3184.0,3793.0,7200.0,转 K6 型,19.7,80.0,87.0,120.0,空气制动,16 号 / 17 号车钩,重载铁路煤炭运输，耐腐蚀,累计超 3 万辆，现役重载主力,,,
+,C80E,通用重载敞车,2015 年,量产中,13976.0,3200.0,3143.0,8700.0,转 K6 型,23.5,80.0,88.0,120.0,空气制动,17 号车钩,通用散堆装货物重载运输,累计超 2 万辆，现役主力,,,
+棚车（P 系列）,P62,通用棚车,1987 年,1998 年,15470.0,3200.0,4140.0,9300.0,转 8A 型,24.0,60.0,120.0,100.0,空气制动,13 号车钩,怕晒怕湿货物、箱装货物运输,累计超 3 万辆，已基本淘汰,,,
+,P64K,通用棚车,1998 年,2005 年,15470.0,3200.0,4140.0,9300.0,转 K2 型,25.4,58.0,116.0,120.0,空气制动,13 号车钩,怕晒怕湿货物运输,累计超 1 万辆，部分现役,,,
+,P70,通用棚车,2005 年,量产中,16438.0,3200.0,4442.0,10300.0,转 K6 型,23.8,70.0,145.0,120.0,空气制动,17 号车钩,怕晒怕湿、箱装、袋装货物运输，国铁主力棚车,累计超 6 万辆，现役绝对主力,,,
+,P70E,强化型通用棚车,2010 年,量产中,16438.0,3200.0,4442.0,10300.0,转 K6 型,24.0,70.0,145.0,120.0,空气制动,17 号车钩,通用棚车运输，强化装卸便利性,累计超 2 万辆，现役主力,,,
+平车（N 系列）,N17,通用平车,1970 年,1995 年,13000.0,3000.0,2150.0,7500.0,转 8A 型,20.4,60.0,无（平板）,100.0,空气制动,13 号车钩,集装箱、钢材、机械设备、长大货物运输,累计超 5 万辆，已基本淘汰,,,
+,NX70,集装箱共用平车,2005 年,量产中,15400.0,3157.0,2236.0,9000.0,转 K6 型,23.8,70.0,无（平板）,120.0,空气制动,17 号车钩,20/40 英尺集装箱、钢材、机械设备运输，国铁主力平车,累计超 4 万辆，现役绝对主力,,,
+,NX70A,集装箱平车,2008 年,量产中,15400.0,3157.0,2236.0,9000.0,转 K6 型,23.6,70.0,无（平板）,120.0,空气制动,17 号车钩,集装箱专用运输，强化锁闭装置,累计超 2 万辆，现役主力,,,
+,X70,集装箱专用平车,2010 年,量产中,15400.0,3157.0,2236.0,9000.0,转 K6 型,22.8,70.0,无（平板）,120.0,空气制动,17 号车钩,20/40 英尺集装箱专用运输，中欧班列主力车型,累计超 10 万辆，现役主力,,,
+罐车（G 系列）,G60,轻油罐车,1968 年,1995 年,11988.0,2950.0,4157.0,7200.0,转 8A 型,19.8,60.0,60.0,100.0,空气制动,13 号车钩,汽油、煤油、柴油等轻质油类运输,累计超 3 万辆，已基本淘汰,,,
+,G70,轻油罐车,1998 年,2005 年,12236.0,3020.0,4466.0,7500.0,转 K2 型,22.8,63.0,70.0,120.0,空气制动,13 号车钩,轻质油类运输,累计超 1 万辆，部分现役,,,
+,GQ70,轻油罐车,2005 年,量产中,12236.0,3020.0,4466.0,7500.0,转 K6 型,22.6,70.0,72.0,120.0,空气制动,17 号车钩,轻质油类运输，国铁主力轻油罐车,累计超 2 万辆，现役主力,,,
+,GN70,粘油罐车,2005 年,量产中,12236.0,3020.0,4466.0,7500.0,转 K6 型,23.2,70.0,68.0,120.0,空气制动 + 加温装置,17 号车钩,原油、重油等粘稠油类运输，国铁主力粘油罐车,累计超 1.5 万辆，现役主力,,,
+,GF70,氟化氢罐车,2006 年,量产中,12236.0,3020.0,4466.0,7500.0,转 K6 型,23.8,70.0,38.0,120.0,空气制动,17 号车钩,腐蚀性化工液体运输,累计超 5000 辆，现役主力,,,
+,GY70,液化气体罐车,2007 年,量产中,12236.0,3020.0,4466.0,7500.0,转 K6 型,24.5,32.0,32.0,120.0,空气制动 + 安全装置,17 号车钩,液化石油气、液氨等液化气体运输,累计超 3000 辆，现役主力,,,
+冷藏车（B 系列）,B6,机械冷藏车,1975 年,1995 年,18000.0,3150.0,4200.0,12000.0,转 8A 型,34.0,45.0,88.0,100.0,空气制动,13 号车钩,生鲜、冷冻食品长距离运输,累计超 5000 辆，已基本淘汰,,,
+,B10,机械冷藏车,1990 年,2005 年,18000.0,3150.0,4200.0,12000.0,转 K2 型,36.0,42.0,85.0,120.0,空气制动,13 号车钩,生鲜、冷冻食品运输,累计超 1000 辆，部分现役,,,
+,B23,机冷车组,1998 年,2010 年,18000.0,3150.0,4200.0,12000.0,转 K2 型,38.0,40.0,83.0,120.0,空气制动,13 号车钩,生鲜、冷冻食品成组运输,累计超 300 组，部分现役,,,
+漏斗车（K 系列）,K18AT,煤炭漏斗车,1998 年,2005 年,14738.0,3200.0,3750.0,9000.0,转 K2 型,24.5,60.0,78.0,120.0,空气制动 + 底开门装置,13 号车钩,煤炭、矿石等散堆装货物运输，可自动卸货,累计超 2 万辆，部分现役,,,
+,KZ70,石砟漏斗车,2005 年,量产中,13976.0,3200.0,3600.0,8700.0,转 K6 型,23.8,70.0,64.0,120.0,空气制动 + 底开门装置,17 号车钩,铁路道砟运输，可自动卸货,累计超 1 万辆，现役主力,,,
+,KM70,煤炭漏斗车,2005 年,量产中,14738.0,3200.0,3750.0,9000.0,转 K6 型,23.6,70.0,80.0,120.0,空气制动 + 底开门装置,17 号车钩,煤炭运输，可自动卸货,累计超 3 万辆，现役主力,,,
+矿石车（U 系列）,U61W,矿石车,1990 年,2000 年,11940.0,3200.0,3400.0,7200.0,转 8A 型,21.0,61.0,34.0,100.0,空气制动 + 侧开门装置,13 号车钩,铁矿石、重金属矿石运输,累计超 5000 辆，部分现役,,,
+,U70,矿石车,2005 年,量产中,12000.0,3200.0,3400.0,7200.0,转 K6 型,23.8,70.0,36.0,120.0,空气制动 + 侧开门装置,17 号车钩,铁矿石运输，国铁主力矿石车,累计超 8000 辆，现役主力,,,
+毒品车（W 系列）,W6,毒品专用车,1989 年,2005 年,15470.0,3200.0,4140.0,9300.0,转 8A 型 / 转 K2 型,25.0,60.0,116.0,100/120,空气制动 + 全封闭防盗装置,13 号车钩,有毒有害化工品运输,累计超 2000 辆，部分现役,,,
+,W70,毒品专用车,2005 年,量产中,16438.0,3200.0,4442.0,10300.0,转 K6 型,24.5,70.0,145.0,120.0,空气制动 + 全封闭防盗装置,17 号车钩,有毒有害化工品运输，国铁主力毒品车,累计超 1000 辆，现役主力,,,
+长大货物车（D 系列）,D22,平车式长大货物车,1995 年,2010 年,25000.0,3000.0,2200.0,18000.0,转 K2 型,42.0,120.0,无（平板）,120.0,空气制动,13 号车钩,大型变压器、机械设备等长大超重货物运输,累计超 200 辆，现役主力,,,
+,D26,落下孔长大货物车,2003 年,2015 年,37000.0,3000.0,2500.0,28000.0,构架式转向架,108.0,260.0,无,100.0,空气制动,13 号车钩,超大型发电机定子、变压器等超限货物运输,累计超 50 辆，现役主力,,,
+,D38,钳夹式长大货物车,2008 年,2020 年,52000.0,3000.0,3000.0,40000.0,多轴转向架,226.0,380.0,无,80.0,空气制动,13 号车钩,超重型超限货物运输，国内载重最大货车,累计超 10 辆，全路配属,,,
diff --git a/csv/中国高速综合检测列车统计表.csv b/csv/中国高速综合检测列车统计表.csv
new file mode 100644
index 0000000..09053ef
--- /dev/null
+++ b/csv/中国高速综合检测列车统计表.csv
@@ -0,0 +1,23 @@
+中国高速综合检测列车统计表,,,,,,,,,,
+车型,车号,前身（部分含）,制造商,最高速度,制造时间,动力车、拖车,备注,,,
+CRH2A,2010.0,第一量国产化CRH2A,四方,250km/h,2006-07-31 00:00:00,4M4T,中国铁路第一辆动车组检测车,,,
+CRH2C,2061.0,出厂即动检,四方,393km/h,2007-12-22 00:00:00,6M2T,低调的白医生,,,
+CRH2C,2068.0,中国第八列CRH2c,四方,350km/h,2008年1月改造,6M2T,低调的白医生,,,
+CRH2C,2150.0,最后一批CRH2c的最后一列,四方,402km/h,2010年11月下线,6M2T,“假老鼠”,,,
+CRH2J,0205,前“723”事故车CRH2-139E,四方,300km/h,2015年改造,4M4T,它换了一种形式继续守护我们的安全,,,
+CRH5J,0501,出厂即动检（CIT001）,长客,300km/h,2008-06-30 00:00:00,5M3T,0号高速综合检测列车,,,
+CRH380AJ,0201,以CRH380a技术平台为基础研制,四方,452km/h,2011-02-22 00:00:00,7M1T,黄老鼠,,,
+CRH380AJ,0202,CRH380a改造而成,四方,420km/h,2011年改造,7M1T,具体改造时间不详,,,
+CRH380AJ,0203,以CRH380a技术平台为基础研制,四方,452km/h,2011-03-01 00:00:00,7M1T,基本与0201相同,,,
+CRH380AJ,2808.0,由退役的CRH380a公务车改造而来,四方,400km/h,2014年6月出厂，2019年改造,6M2T,被CR400AF代替,,,
+CRH380AJ,2818.0,由退役的CRH380a卧铺动车组改造而来,四方,452km/h,2014年6月出厂，2019年改造,4M4T,前身基本可以理解为公务车,,,
+CRH380AM,0204,由CRH380a创新研制（CIT500）,四方,605km/h,2011-12-25 00:00:00,6M0T,没有拖车，有风阻制动，中国铁路最快,,,
+CRH380BJ,0301,以CRH380b技术平台为基础研制（CIT400B）,唐客,418km/h,2011-03-01 00:00:00,6M2T,“鲨鱼”头型,,,
+CRH380BJ-A,0504,基于CRH380bg研发,长客,385km/h,2016-04-08 00:00:00,4M4T,高寒地区可以使用,,,
+CR400AF-J,0002,基于CR400AF研发,四方,453km/h,暂无公开信息,4M4T,极限工作范围相对温度可达90摄氏度,,,
+CR400BF-J,0001,在CR400BF-c基础上设计制造,长客,453km/h,2021年6月问世,4M4T,曾经有两节CR450的实验车,,,
+CR400BF-J,0003,基于复兴号智能动车组研发,长客,385km/h,2023年4月问世,4M4T,可以抵抗11级风沙，在高海拔地区工作,,,
+FXD3-J,9101.0,基于CR200J动力集中动车组研发,唐厂,160km/h,2025年6月23日送至北京,1M5T,因电路短路报废拆解,,,
+FXD3-J,,基于CR200J动力集中动车组研发,,,,,实验中,,,
+CR400AF-J,2808.0,基于复兴号公务车改造而来,四方,,2025年11月问世,4M4T,原CR400AF-2808改造,,,
+,,,,,,,,,,
diff --git a/csv/全国内燃机车型号表.csv b/csv/全国内燃机车型号表.csv
new file mode 100644
index 0000000..0575f3b
--- /dev/null
+++ b/csv/全国内燃机车型号表.csv
@@ -0,0 +1,135 @@
+全国内燃机车型号表,,,,,,,,,,,,,,,,,,,,
+系列,型号,首产时间,停产时间,车体长度 /mm,车体宽度 /mm,整备重量 / 轴重 /t,轴距 /mm,轴重 /t,轴列式,生产商,传动效率,牵引力 (起动)/kN,牵引力 (持续)/kN,传动方式 / 动力来源,最高运行时速,用途,产量,,,
+"东
+
+
+
+
+
+
+风",DF 型 (东风),1958 年,1959 年,18780.0,3309.0,126.0,4600.0,21.0,Co-Co,大连机车车辆厂,78%-82%,308.0,196.0,交 - 直流电传动,100km/h,干线客货通用,30 台 (试制，东风系列原型),,,
+,DF1 型,1964 年,1986 年,18800.0,3309.0,126.0,4600.0,21.0,Co-Co,大连机车车辆厂,80%-84%,308.0,200.0,交 - 直流电传动,100km/h,干线客货通用,706 台,,,
+,DF1D 型,1999 年,2000 年,20500.0,3309.0,138.0,4600.0,23.0,Co-Co,大连机车车辆厂,82%-86%,435.0,302.0,交 - 直流电传动,100km/h,干线货运,2 台 (试制),,,
+,DF2 型,1964 年,1986 年,15140.0,3309.0,113.0,3300.0,18.8,Bo-Bo,戚墅堰机车车辆厂,78%-82%,205.0,115.0,交 - 直流电传动,95km/h,调车 / 小运转,198 台,,,
+,DF2D 型,1997 年,1999 年,18000.0,3309.0,135.0,3300.0,22.5,Co-Co,资阳内燃机车厂,80%-84%,332.0,230.0,交 - 直流电传动,100km/h,重载调车 / 工矿运输,12 台,,,
+,DF3 型,1972 年,1984 年,18800.0,3309.0,126.0,4600.0,21.0,Co-Co,大连机车车辆厂,80%-84%,308.0,200.0,交 - 直流电传动,120km/h,干线客运,225 台,,,
+,DF4 型,1969 年,1974 年,21100.0,3309.0,138.0,4600.0,23.0,Co-Co,大连机车车辆厂,80%-84%,410.0,302.0,交 - 直流电传动,100km/h,干线货运,108 台 (原型),,,
+,DF4A 型,1974 年,1982 年,21100.0,3309.0,138.0,4600.0,23.0,Co-Co,大连机车车辆厂,82%-86%,435.0,302.0,交 - 直流电传动,100km/h,干线货运,801 台,,,
+,DF4B 型,1982 年,2006 年,21100.0,3309.0,138.0,4600.0,23.0,Co-Co,大连 / 资阳 / 大同 / 戚墅堰厂,82%-86%,435 (货)/342 (客),302 (货)/215 (客),交 - 直流电传动,100km/h (货)/120km/h (客),干线客货通用,累计超 4500 台，国内产量最高内燃机车,,,
+,DF4C 型,1984 年,1999 年,21100.0,3309.0,138.0,4600.0,23.0,Co-Co,大连 / 资阳 / 大同厂,83%-87%,440.0,310.0,交 - 直流电传动,100km/h,干线货运,533 台,,,
+,DF4CK 型,1999 年,2000 年,20500.0,3309.0,126.0,4600.0,21.0,Co-Co,资阳内燃机车厂,83%-87%,342.0,215.0,交 - 直流电传动,140km/h,干线客运,3 台 (试制),,,
+,DF4D 型 (客运),1996 年,2020 年,21100.0,3309.0,138.0,4600.0,23.0,Co-Co,大连机车车辆厂,83%-87%,342.0,215.0,交 - 直流电传动,145km/h,干线客运,580 台,,,
+,DF4D 型 (货运),1998 年,2020 年,21100.0,3309.0,138.0,4600.0,23.0,Co-Co,大连机车车辆厂,83%-87%,435.0,302.0,交 - 直流电传动,100km/h,干线货运,215 台,,,
+,DF4D 型 (调车),1999 年,2020 年,21100.0,3309.0,150.0,4600.0,25.0,Co-Co,大连机车车辆厂,82%-86%,504.0,358.0,交 - 直流电传动,80km/h,重载调车 / 工矿运输,400 + 台,,,
+,DF4DF 型,1999 年,2003 年,21100.0,3309.0,138.0,4600.0,23.0,Co-Co,大连机车车辆厂,83%-87%,342.0,215.0,交 - 直流电传动，带列车供电,145km/h,干线客运,25 台,,,
+,DF4DD 型,1999 年,2015 年,21100.0,3309.0,150.0,4600.0,25.0,Co-Co,大连机车车辆厂,82%-86%,504.0,358.0,交 - 直流电传动,80km/h,重载调车 / 工矿运输,超 300 台,,,
+,DF4DJ,,,,,,,,,,,,,,,,,,,
+,DF4DH 型,2000 年,2003 年,21100.0,3309.0,138.0,4600.0,23.0,Co-Co,大连机车车辆厂,83%-87%,450.0,320.0,交 - 直流电传动,100km/h,干线货运,10 台,,,
+,DF4E 型,1994 年,1997 年,2×21100,3309.0,2×138,4600.0,23.0,2×(Co-Co),大连机车车辆厂,83%-87%,2×435,2×302,交 - 直流电传动，双机重联,100km/h,干线重载货运,24 组 (48 台),,,
+,DF5 型,1976 年,2006 年,18400.0,3309.0,135.0,3300.0,22.5,Co-Co,大连 / 四方 / 资阳厂,78%-82%,332.0,230.0,交 - 直流电传动,80km/h,调车 / 小运转,超 1200 台,,,
+,DF5B 型,1998 年,2015 年,18400.0,3309.0,138.0,3300.0,23.0,Co-Co,大连机车车辆厂,80%-84%,400.0,280.0,交 - 直流电传动,100km/h,重载调车 / 工矿运输,超 200 台,,,
+,DF5D 型,1999 年,2015 年,18400.0,3309.0,135.0,3300.0,22.5,Co-Co,大连机车车辆厂,80%-84%,380.0,260.0,交 - 直流电传动,100km/h,调车 / 小运转,超 150 台,,,
+,DF5G 型,2001 年,2020 年,18400.0,3309.0,138.0,3300.0,23.0,Co-Co,大连机车车辆厂,80%-84%,400.0,280.0,交 - 直流电传动,100km/h,重载调车 / 工矿运输,超 300 台,,,
+,DF5K 型,2003 年,2005 年,18400.0,3309.0,135.0,3300.0,22.5,Co-Co,大连机车车辆厂,82%-86%,380.0,260.0,交 - 直 - 交电传动,100km/h,调车 / 小运转,5 台 (试制),,,
+,DF6 型,1972 年,1989 年,21100.0,3309.0,138.0,4600.0,23.0,Co-Co,大连机车车辆厂 / 美国 GE,83%-87%,450.0,360.0,交 - 直流电传动,118km/h,干线货运,4 台,,,
+,DF7 型,1982 年,1990 年,18800.0,3309.0,135.0,3300.0,22.5,Co-Co,北京二七机车厂,80%-84%,422.0,300.0,交 - 直流电传动,100km/h,调车 / 小运转,215 台,,,
+,DF7B 型,1990 年,1995 年,18800.0,3309.0,135/150,3300.0,22.5/25,Co-Co,北京二七机车厂,80%-84%,422/504,300/358,交 - 直流电传动,100km/h,调车 / 干线货运,184 台,,,
+,DF7C 型,1991 年,2010 年,18800.0,3309.0,135/150,3300.0,22.5/25,Co-Co,北京二七机车厂,80%-84%,422/504,300/358,交 - 直流电传动,100km/h,调车 / 工矿运输,超 1000 台,,,
+,DF7D 型,1995 年,1999 年,20800.0,3309.0,138.0,4600.0,23.0,Co-Co,北京二七机车厂,82%-86%,380.0,270.0,交 - 直流电传动,100km/h,高原干线货运,166 台,,,
+,DF7E 型,1998 年,1999 年,18800.0,3309.0,150.0,3300.0,25.0,Co-Co,北京二七机车厂,80%-84%,504.0,358.0,交 - 直流电传动,100km/h,重载调车 / 工矿运输,20 台,,,
+,DF7F 型,2000 年,2001 年,22000.0,3309.0,150.0,4600.0,25.0,Co-Co,北京二七机车厂,83%-87%,450.0,350.0,交 - 直流电传动,100km/h,干线重载货运,2 台,,,
+,DF7G 型,2003 年,2015 年,18800.0,3309.0,138/150,3300.0,23/25,Co-Co,北京二七机车厂,80%-84%,422/504,300/358,交 - 直流电传动,100km/h,调车 / 工矿运输,超 300 台,,,
+,DF7J 型,2003 年,2004 年,18800.0,3309.0,135.0,3300.0,22.5,Co-Co,北京二七机车厂,85%-88%,380.0,260.0,交 - 直 - 交电传动,100km/h,调车 / 小运转,1 台 (试制),,,
+,DF7S 型,2005 年,2006 年,18800.0,3309.0,135.0,3300.0,22.5,Co-Co,北京二七机车厂,80%-84%,380.0,260.0,交 - 直流电传动,100km/h,调车 / 小运转,5 台,,,
+,DF8 型,1984 年,1990 年,22000.0,3309.0,138.0,4600.0,23.0,Co-Co,戚墅堰机车车辆厂,82%-86%,447.0,318.0,交 - 直流电传动,100km/h,干线货运,141 台,,,
+,DF8B 型,1997 年,2020 年,22000.0,3309.0,150.0,4600.0,25.0,Co-Co,戚墅堰 / 资阳机车厂,83%-87%,442.0,310.0,交 - 直流电传动,100km/h,干线重载货运,超 1000 台,,,
+,DF8BJ 型,2001 年,2002 年,22000.0,3309.0,150.0,4600.0,25.0,Co-Co,资阳内燃机车厂,85%-88%,520.0,400.0,交 - 直 - 交电传动,120km/h,干线重载货运,1 台 (试制),,,
+,DF8CJ 型,2002 年,2003 年,22300.0,3309.0,150.0,4600.0,25.0,Co-Co,戚墅堰机车车辆厂,85%-88%,560.0,450.0,交 - 直 - 交电传动,120km/h,干线重载货运,3 台 (试制),,,
+,DF8D 型,2000 年,2001 年,22000.0,3309.0,150.0,4600.0,25.0,Co-Co,戚墅堰机车车辆厂,83%-87%,480.0,360.0,交 - 直流电传动,100km/h,干线重载货运,2 台 (试制),,,
+,DF9 型,1991 年,1993 年,21250.0,3309.0,138.0,4600.0,23.0,Co-Co,戚墅堰机车车辆厂,83%-87%,363.0,245.0,交 - 直流电传动,170km/h,干线快速客运,2 台 (试制),,,
+,DF10 型,1988 年,1989 年,2×18800,3309.0,2×138,4600.0,23.0,2×(Co-Co),大连机车车辆厂,82%-86%,2×435,2×302,交 - 直流电传动，双机重联,100km/h,干线重载货运,1 组 (2 台),,,
+,DF10D 型,1994 年,1995 年,2×18800,3309.0,2×138,4600.0,23.0,2×(Co-Co),大连机车车辆厂,82%-86%,2×435,2×302,交 - 直流电传动，双机重联,100km/h,干线重载货运,10 组 (20 台),,,
+,DF10DD 型,1999 年,2015 年,18400.0,3309.0,150.0,3300.0,25.0,Co-Co,大连机车车辆厂,80%-84%,504.0,358.0,交 - 直流电传动,100km/h,重载调车 / 工矿运输,超 200 台,,,
+,DF10F 型,1996 年,1998 年,2×20500,3309.0,2×138,4600.0,23.0,2×(Co-Co),大连机车车辆厂,83%-87%,2×342,2×215,交 - 直流电传动，双机重联,160km/h,干线快速客运,2 组 (4 台),,,
+,DF11 型,1992 年,2005 年,21250.0,3309.0,138.0,4600.0,23.0,Co-Co,戚墅堰机车车辆厂,83%-87%,363.0,245.0,交 - 直流电传动,170km/h,干线快速客运,459 台,,,
+,DF11D 型,2000 年,2001 年,22000.0,3309.0,150.0,4600.0,25.0,Co-Co,戚墅堰机车车辆厂,83%-87%,480.0,360.0,交 - 直流电传动,100km/h,干线重载货运,2 台 (试制),,,
+,DF11G 型,2003 年,2010 年,2×21250,3309.0,2×138,4600.0,23.0,2×(Co-Co),戚墅堰机车车辆厂,83%-87%,2×363,2×245,交 - 直流电传动，双机重联，带列车供电,170km/h,干线直达客运（直特列车）,78 组（156 台）,,,
+,DF11Z 型,2002 年,2002 年,2×21250,3309.0,2×138,4600.0,23.0,2×(Co-Co),戚墅堰机车车辆厂,83%-87%,2×363,2×245,交 - 直流电传动，双机重联，带列车供电,160km/h,专运客运,2 组（4 台）,,,
+,DF12 型,1997 年,2020 年,19900.0,3309.0,150.0,3300.0,25.0,Co-Co,资阳内燃机车厂,80%-84%,504.0,358.0,交 - 直流电传动,100km/h,重载调车 / 工矿运输,超 300 台,,,
+"东
+
+方
+
+红",DFH1 型,1959 年,1972 年,18550.0,3105.0,84.0,3600.0,21.0,B-B,四方机车车辆厂,75%-80%,250.0,140.0,液力传动,140km/h,干线客运,106 台,,,
+,DFH2 型,1961 年,1966 年,14800.0,3105.0,64.0,2400.0,16.0,B-B,四方机车车辆厂,75%-80%,170.0,100.0,液力传动,62km/h,调车 / 小运转,28 台,,,
+,DFH3 型,1971 年,1988 年,18550.0,3105.0,84.0,3600.0,21.0,B-B,四方机车车辆厂,75%-80%,270.0,170.0,液力传动,120km/h,干线客运,268 台,,,
+,DFH4 型,1969 年,1981 年,22000.0,3300.0,138.0,4600.0,23.0,C-C,四方机车车辆厂 / 资阳内燃机车厂,78%-82%,450.0,300.0,液力传动,100km/h,干线货运,6 台 (试制),,,
+,DFH5 型,1976 年,1998 年,14900.0,3376.0,86.0,2400.0,21.5,B-B,资阳内燃机车厂,75%-80%,276.0,190.0,液力传动,80km/h,调车 / 工矿运输,超 1000 台,,,
+,DFH5B 型,1985 年,1998 年,14900.0,3376.0,86.0,2400.0,21.5,B-B,资阳内燃机车厂,75%-80%,291.0,203.0,液力传动,80km/h,调车 / 工矿运输,超 100 台,,,
+,DFH5C 型,1990 年,1998 年,14900.0,3376.0,92.0,2400.0,23.0,B-B,资阳内燃机车厂,75%-80%,320.0,220.0,液力传动,80km/h,重载调车 / 工矿运输,超 50 台,,,
+,DFH6 型,1981 年,1981 年,18300.0,3376.0,126.0,3600.0,21.0,B-B-B,资阳内燃机车厂,78%-82%,380.0,270.0,液力传动,90km/h,调车 / 工矿运输,1 台 (试制),,,
+,DFH7 型,1988 年,1991 年,14900.0,3376.0,86.0,2400.0,21.5,B-B,资阳内燃机车厂,75%-80%,276.0,190.0,液力传动,80km/h,调车 / 工矿运输,10 台,,,
+,DFH21 型,1977 年,1984 年,14000.0,3100.0,60.0,2000.0,15.0,B-B,四方机车车辆厂,75%-80%,150.0,90.0,液力传动,50km/h,米轨铁路客货通用,120 台,,,
+"北
+
+京",BJ 型,1970 年,1991 年,17900.0,3200.0,86.0,2850.0,21.5,B-B,北京二七机车厂,75%-80%,275.0,180.0,液力传动,120km/h,干线客运,374 台,,,
+,BJ2 型,1970 年,1970 年,17900.0,3200.0,86.0,2850.0,21.5,B-B,北京二七机车厂,75%-80%,275.0,180.0,液力传动,120km/h,干线客运,2 台,,,
+,BJ3 型,1971 年,1971 年,17900.0,3200.0,86.0,2850.0,21.5,B-B,北京二七机车厂,75%-80%,275.0,180.0,液力传动,120km/h,干线客运,1 台,,,
+,BJ4 型,1975 年,1975 年,17900.0,3200.0,86.0,2850.0,21.5,B-B,北京二七机车厂,75%-80%,275.0,180.0,液力传动,120km/h,干线客运,1 台,,,
+,BJ6 型,1983 年,1983 年,17900.0,3200.0,86.0,2850.0,21.5,B-B,北京二七机车厂,75%-80%,275.0,180.0,液力传动,120km/h,干线客运,1 台,,,
+"和
+
+谐
+
+内",HXN3 型,2008 年,2020 年,22295.0,3370.0,150.0,4600.0,25.0,Co-Co,中车大连 / 美国 EMD 联合研制,≥85%,620.0,520.0,交 - 直 - 交电传动,120km/h,干线重载货运,332 台,,,
+,HXN3B 型,2012 年,量产中,19900.0,3370.0,150.0,3300.0,25.0,Co-Co,中车大连机车车辆有限公司,≥85%,560.0,420.0,交 - 直 - 交电传动,100km/h,重载调车 / 小运转,超 1000 台,,,
+,HXN3C 型,2019 年,量产中,22300.0,3370.0,150.0,4600.0,25.0,Co-Co,中车大连机车车辆有限公司,≥88%,580.0,520.0,交 - 直 - 交电传动,120km/h,干线货运 / 动集配套,量产中,,,
+,HXN3K 型,2016 年,2019 年,22300.0,3370.0,126.0,4600.0,21.0,Co-Co,中车大连机车车辆有限公司,≥88%,380.0,270.0,交 - 直 - 交电传动,160km/h,干线客运,2 台 (试制),,,
+,HXN5 型,2008 年,2020 年,22295.0,3370.0,150.0,4600.0,25.0,Co-Co,中车戚墅堰 / 美国 GE 联合研制,≥85%,620.0,565.0,交 - 直 - 交电传动,120km/h,干线重载货运,700 台,,,
+,HXN5B 型,2012 年,量产中,19500.0,3370.0,150.0,3300.0,25.0,Co-Co,中车戚墅堰机车有限公司,≥85%,560.0,420.0,交 - 直 - 交电传动,100km/h,重载调车 / 小运转,超 800 台,,,
+,HXN5K 型,2016 年,2019 年,22300.0,3370.0,126.0,4600.0,21.0,Co-Co,中车戚墅堰机车有限公司,≥88%,380.0,270.0,交 - 直 - 交电传动,160km/h,干线客运,2 台 (试制),,,
+,HXN6 型,2017 年,量产中,18400.0,3370.0,138.0,3300.0,23.0,Co-Co,中车资阳机车有限公司,≥85%,400.0,280.0,交 - 直 - 交电传动,100km/h,调车 / 工矿运输,量产中,,,
+"复
+
+兴
+
+内",FXN3 型,2019 年,量产中,22300.0,3370.0,150.0,4600.0,25.0,Co-Co,中车大连机车车辆有限公司,≥88%,580.0,520.0,交 - 直 - 交电传动,120km/h,干线货运 / 动集配套,量产中,,,
+,FXN3A 型,2020 年,量产中,22300.0,3370.0,126.0,4600.0,21.0,Co-Co,中车大连机车车辆有限公司,≥88%,380.0,270.0,交 - 直 - 交电传动,160km/h,干线客运 / 动集配套,量产中,,,
+,FXN3B 型,2021 年,量产中,19900.0,3370.0,150.0,3300.0,25.0,Co-Co,中车大连机车车辆有限公司,≥88%,560.0,420.0,交 - 直 - 交电传动,100km/h,重载调车 / 小运转,量产中,,,
+,FXN3C 型,2022 年,量产中,22300.0,3370.0,150.0,4600.0,25.0,Co-Co,中车大连机车车辆有限公司,≥88%,600.0,540.0,交 - 直 - 交电传动,120km/h,干线重载货运,量产中,,,
+,FXN5 型,2020 年,量产中,22300.0,3370.0,150.0,4600.0,25.0,Co-Co,中车戚墅堰机车有限公司,≥88%,580.0,520.0,交 - 直 - 交电传动,120km/h,干线货运 / 动集配套,量产中,,,
+,FXN5C 型,2022 年,量产中,22300.0,3370.0,150.0,4600.0,25.0,Co-Co,中车戚墅堰机车有限公司,≥88%,600.0,540.0,交 - 直 - 交电传动,120km/h,干线重载货运,量产中,,,
+,FXN6 型,2023 年,量产中,18400.0,3370.0,138.0,3300.0,23.0,Co-Co,中车资阳机车有限公司,≥88%,400.0,280.0,交 - 直 - 交电传动,100km/h,调车 / 工矿运输,量产中,,,
+"进
+口
+内
+燃
+机
+车",ND1 型,1958 年,1959 年,15000.0,3000.0,84.0,2400.0,21.0,Bo-Bo,匈牙利冈茨 - 马瓦格机车厂,75%-80%,200.0,120.0,交 - 直流电传动,80km/h,调车 / 小运转,14 台,,,
+,ND2 型,1972 年,1987 年,17690.0,3270.0,118.0,3300.0,19.7,Bo-Bo,罗马尼亚克拉约瓦机车厂,78%-82%,280.0,169.0,交 - 直流电传动,120km/h,干线客运 / 调车,284 台,,,
+,ND3 型,1985 年,1985 年,17690.0,3270.0,118.0,3300.0,19.7,Bo-Bo,罗马尼亚克拉约瓦机车厂,78%-82%,280.0,169.0,交 - 直流电传动,100km/h,调车 / 小运转,88 台,,,
+,ND4 型,1973 年,1975 年,21600.0,3290.0,138.0,4600.0,23.0,Co-Co,法国阿尔斯通公司,82%-86%,411.0,285.0,交 - 直流电传动,100km/h,干线货运,50 台,,,
+,ND5 型,1984 年,1986 年,19900.0,3277.0,138.0,3300.0,23.0,C-C,美国 GE 公司,82%-86%,534.0,360.0,交 - 直流电传动,118km/h,干线货运,422 台,,,
+,NY5 型,1967 年,1967 年,21800.0,3180.0,138.0,4600.0,23.0,Co-Co,德国亨舍尔公司,78%-82%,400.0,280.0,液力传动,160km/h,干线客货通用,4 台,,,
+,NY6 型,1972 年,1975 年,21800.0,3180.0,138.0,4600.0,23.0,Co-Co,德国亨舍尔公司,80%-84%,435.0,316.0,液力传动,120km/h,干线客货通用,10 台,,,
+,NY7 型,1972 年,1975 年,21800.0,3180.0,138.0,4600.0,23.0,Co-Co,德国亨舍尔公司,80%-84%,455.0,332.0,液力传动,120km/h,干线客货通用,20 台,,,
+,NJ1 型,1999 年,1999 年,18400.0,3309.0,135.0,3300.0,22.5,Co-Co,美国 EMD 公司,85%-88%,380.0,260.0,交 - 直 - 交电传动,100km/h,调车 / 小运转,1 台,,,
+,NJ2 型,2005 年,2007 年,20800.0,3300.0,138.0,4600.0,23.0,Co-Co,美国 GE 公司,83%-87%,435.0,320.0,交 - 直流电传动,120km/h,高原干线货运,78 台,,,
+"工
+矿
+特
+种
+内
+燃
+机
+车",GK0 型,1990 年,2000 年,13000.0,3000.0,60.0,2000.0,15.0,B-B,资阳内燃机车厂,70%-75%,120.0,80.0,液力传动,45km/h,工矿调车,超 100 台,,,
+,GK1 型,1989 年,2000 年,14900.0,3300.0,86.0,2400.0,21.5,B-B,资阳内燃机车厂,75%-80%,276.0,190.0,液力传动,80km/h,工矿调车 / 小运转,超 200 台,,,
+,GK1B 型,1991 年,2010 年,14900.0,3300.0,86.0,2400.0,21.5,B-B,资阳内燃机车厂,75%-80%,291.0,203.0,液力传动,80km/h,工矿调车 / 小运转,超 150 台,,,
+,GK1C 型,1991 年,2015 年,14900.0,3300.0,92.0,2400.0,23.0,B-B,资阳内燃机车厂,78%-82%,291.0,203.0,液力传动,80km/h,工矿运输 / 调车,超 500 台,,,
+,GK1D 型,1997 年,2010 年,14900.0,3300.0,92.0,2400.0,23.0,B-B,资阳内燃机车厂,78%-82%,320.0,220.0,液力传动,80km/h,重载工矿运输,超 100 台,,,
+,GK2 型,1994 年,1995 年,18400.0,3300.0,135.0,3300.0,22.5,Co-Co,资阳内燃机车厂,80%-84%,380.0,260.0,液力传动,100km/h,工矿干线运输,10 台,,,
+,GK3 型,1995 年,2000 年,18400.0,3300.0,138.0,3300.0,23.0,Co-Co,资阳内燃机车厂,80%-84%,400.0,280.0,交 - 直流电传动,100km/h,工矿干线运输,20 台,,,
+,太行 1 型,1979 年,1990 年,14900.0,3300.0,86.0,2400.0,21.5,B-B,石家庄动力机械厂,75%-80%,276.0,190.0,液力传动,80km/h,工矿调车 / 小运转,超 300 台,,,
+,太行 2 型,1985 年,1995 年,14900.0,3300.0,92.0,2400.0,23.0,B-B,石家庄动力机械厂,75%-80%,291.0,203.0,液力传动,80km/h,工矿调车 / 小运转,超 100 台,,,
+,JMY1000 型,1980 年,2010 年,14000.0,3000.0,60.0,2000.0,15.0,B-B,宝鸡工程机械厂,70%-75%,150.0,90.0,液力传动,50km/h,厂矿调车,超 500 台,,,
+,韶峰工矿型,1970 年,2010 年,17800.0,3150.0,150.0,3300.0,25.0,Bo-Bo-Bo,湘潭电机厂,≥80%,256.0,137.0,直流传动,65km/h,矿山重载运输,超 1000 台,,,
diff --git a/csv/全国复兴号统计表.csv b/csv/全国复兴号统计表.csv
new file mode 100644
index 0000000..e9131ab
--- /dev/null
+++ b/csv/全国复兴号统计表.csv
@@ -0,0 +1,43 @@
+全国复兴号统计表,,,,,,,,,,,,,,,,,,,
+型号,首产时间,停产时间,车体长度 /mm,车体宽度 /mm,整备重量 / 节数,轴距 /mm,轴重 /t,轴列式（标准编组）,生产商,传动效率,牵引力 (起动)/kN,牵引力 (持续)/kN,传动方式 / 动力来源,最高运营时速,用途,产量,,,
+CR450AF,（试验型，未量产）,,27912（头车）/25650（中间车）,3360.0,-,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车四方,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电,400km/h（试验）,高速试验 / 技术验证,1 列（样车）,,,
+CR450BF,（试验型，未量产）,,27912（头车）/25650（中间车）,3360.0,-,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电,400km/h（试验）,高速试验 / 技术验证,1 列（样车）,,,
+CR400AF,2017 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车四方,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电,350km/h,高铁干线客运,量产中，累计超 1000 列,,,
+CR400AF-A,2018 年,量产中,27912（头车）/25650（中间车）,3360.0,862t/16 节,2500.0,17t,8×(Bo-Bo)（8 动 8 拖）,中车四方,≥90%,684.0,460.0,交 - 直 - 交传动，接触网供电,350km/h,高铁干线客运,量产中，累计超 200 列,,,
+CR400AF-B,2019 年,量产中,27912（头车）/25650（中间车）,3360.0,948t/17 节,2500.0,17t,8×(Bo-Bo)（8 动 9 拖）,中车四方,≥90%,684.0,460.0,交 - 直 - 交传动，接触网供电,350km/h,高铁干线客运,量产中，累计超 50 列,,,
+CR400AF-C,2019 年,2020 年,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车四方,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电，智能驾驶,350km/h,智能高铁客运,20 列,,,
+CR400AF-G,2020 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车四方,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电,350km/h,高寒高铁客运,量产中，累计超 50 列,,,
+CR400AF-S,2021 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车四方,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电，双供电制式,350km/h,跨境高铁客运,量产中,,,
+CR400AF-Z,2021 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车四方,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电，智能驾驶,350km/h,智能高铁客运,量产中，累计超 100 列,,,
+CR400AF-J,2020 年,2021 年,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车四方,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电,400km/h,高速综合检测车,2 列（0002、2808）,,,
+CR400AF-AZ,2022 年,量产中,27912（头车）/25650（中间车）,3360.0,862t/16 节,2500.0,17t,8×(Bo-Bo)（8 动 8 拖）,中车四方,≥90%,684.0,460.0,交 - 直 - 交传动，接触网供电，智能驾驶,350km/h,智能高铁客运,量产中,,,
+CR400AF-BZ,2022 年,量产中,27912（头车）/25650（中间车）,3360.0,948t/17 节,2500.0,17t,8×(Bo-Bo)（8 动 9 拖）,中车四方,≥90%,684.0,460.0,交 - 直 - 交传动，接触网供电，智能驾驶,350km/h,智能高铁客运,量产中,,,
+CR400AF-AE,2021 年,量产中,27912（头车）/25650（中间车）,3360.0,862t/16 节,2500.0,17t,8×(Bo-Bo)（8 动 8 拖）,中车四方,≥90%,684.0,460.0,交 - 直 - 交传动，接触网供电,350km/h,卧铺高铁客运,5列,,,
+CR400AF-BS,2022 年,量产中,27912（头车）/25650（中间车）,3360.0,948t/17 节,2500.0,17t,8×(Bo-Bo)（8 动 9 拖）,中车四方,≥90%,684.0,460.0,交 - 直 - 交传动，接触网供电，双供电制式,350km/h,跨境卧铺高铁客运,量产中,,,
+CR400AF-AS,2021 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车四方,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电，双供电制式,350km/h,跨境高铁客运,量产中,,,
+CR400BF,2017 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电,350km/h,高铁干线客运,量产中，累计超 1000 列,,,
+CR400BF-A,2018 年,量产中,27912（头车）/25650（中间车）,3360.0,862t/16 节,2500.0,17t,8×(Bo-Bo)（8 动 8 拖）,中车长客 / 唐山,≥90%,684.0,460.0,交 - 直 - 交传动，接触网供电,350km/h,高铁干线客运,量产中，累计超 200 列,,,
+CR400BF-B,2019 年,量产中,27912（头车）/25650（中间车）,3360.0,948t/17 节,2500.0,17t,8×(Bo-Bo)（8 动 9 拖）,中车长客 / 唐山,≥90%,684.0,460.0,交 - 直 - 交传动，接触网供电,350km/h,高铁干线客运,量产中，累计超 50 列,,,
+CR400BF-C,2019 年,2020 年,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电，智能驾驶,350km/h,智能高铁客运,3列,,,
+CR400BF-G,2020 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电,350km/h,高寒高铁客运,量产中，累计超 50 列,,,
+CR400BF-S,2021 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电，双供电制式,350km/h,跨境高铁客运,量产中,,,
+CR400BF-Z,2021 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电，智能驾驶,350km/h,智能高铁客运,量产中，累计超 100 列,,,
+CR400BF-J,2020 年,2021 年,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电,400km/h,高速综合检测车,2 列（0001、0003）,,,
+CR400BF-AZ,2022 年,量产中,27912（头车）/25650（中间车）,3360.0,862t/16 节,2500.0,17t,8×(Bo-Bo)（8 动 8 拖）,中车长客 / 唐山,≥90%,684.0,460.0,交 - 直 - 交传动，接触网供电，智能驾驶,350km/h,智能高铁客运,量产中,,,
+CR400BF-BZ,2022 年,量产中,27912（头车）/25650（中间车）,3360.0,948t/17 节,2500.0,17t,8×(Bo-Bo)（8 动 9 拖）,中车长客 / 唐山,≥90%,684.0,460.0,交 - 直 - 交传动，接触网供电，智能驾驶,350km/h,智能高铁客运,量产中,,,
+CR400BF-BS,2024 年 04 月（量产）,量产中,头车 28705、中间车 25000、全长 442160,3360.0,约 950（17 节编组）,2500（转向架轴距）,17.0,8×(Bo‑Bo)（8 动 9 拖，17 节）,中车长客（唐山 / 长春）,≥90%,684.0,460.0,交‑直‑交传动，接触网 AC25kV 供电,350km/h,京沪高铁干线客运、智能型、大客流 17 编组,截至 2026-04：7 列（已交付）,,,
+CR400BF-GS,2022 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电，高寒 + 双供电制式,350km/h,高寒跨境高铁客运,量产中,,,
+CR400BF-GZ,2022 年,量产中,27912（头车）/25650（中间车）,3360.0,431t/8 节,2500.0,17t,4×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,342.0,230.0,交 - 直 - 交传动，接触网供电，高寒 + 智能驾驶,350km/h,高寒智能高铁客运,量产中,,,
+CR300AF,2019 年,量产中,27050 (头车)/25000 (中间车),3360.0,378t/8 节,2500.0,17t,3×(Bo-Bo)（4 动 4 拖）,中车四方,≥90%,240.0,150.0,交 - 直 - 交电传动，接触网供电,250km/h,干线客运,量产中，累计超 300 列,,,
+CR300BF,2019 年,量产中,27050 (头车)/25000 (中间车),3360.0,378t/8 节,2500.0,17t,3×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,240.0,150.0,交 - 直 - 交电传动，接触网供电,250km/h,干线客运,量产中，累计超 300 列,,,
+CR300BF-H,（试验型，未量产）,,27050 (头车)/25000 (中间车),3360.0,378t/8 节,2500.0,17t,3×(Bo-Bo)（4 动 4 拖）,中车长客 / 唐山,≥90%,240.0,150.0,交 - 直 - 交电传动，接触网供电，高寒,250km/h,高寒干线客运,1 列（样车）,,,
+CR200J,2019 年,量产中,27912 (头车)/25500 (中间车),3360.0,560t/9 节,2500.0,17t,2×(Co-Co)（动力车）,中车大连 / 株洲 / 浦镇 / 长客,≥88%,2×360,2×245,交 - 直 - 交电传动，接触网供电,160km/h,普速干线客运,量产中，累计超 200 组,,,
+CR200J-A,2021 年,量产中,27912 (头车)/25500 (中间车),3360.0,560t/9 节,2500.0,17t,2×(Co-Co)（动力车）,中车大连 / 浦镇,≥88%,2×360,2×245,交 - 直 - 交电传动，接触网供电,160km/h,普速干线客运,量产中,,,
+CR200J-B,2021 年,量产中,27912 (头车)/25500 (中间车),3360.0,560t/9 节,2500.0,17t,2×(Co-Co)（动力车）,中车株洲 / 长客,≥88%,2×360,2×245,交 - 直 - 交电传动，接触网供电,160km/h,普速干线客运,量产中,,,
+CR200J-C,2022 年,量产中,27912 (头车)/25500 (中间车),3360.0,560t/9 节,2500.0,17t,2×(Co-Co)（动力车）,中车大连 / 株洲,≥88%,2×360,2×245,交 - 直 - 交电传动，接触网供电，智能驾驶,160km/h,智能普速客运,量产中,,,
+CR200J-G,2022 年,量产中,27912 (头车)/25500 (中间车),3360.0,560t/9 节,2500.0,17t,2×(Co-Co)（动力车）,中车大连 / 浦镇,≥88%,2×360,2×245,交 - 直 - 交电传动，接触网供电,160km/h,高寒普速客运,量产中,,,
+CR200J-S,2023 年,量产中,27912 (头车)/25500 (中间车),3360.0,560t/9 节,2500.0,17t,2×(Co-Co)（动力车）,中车株洲 / 长客,≥88%,2×360,2×245,交 - 直 - 交电传动，接触网供电，双供电制式,160km/h,跨境普速客运,量产中,,,
+CR200J-Z,2023 年,量产中,27912 (头车)/25500 (中间车),3360.0,560t/9 节,2500.0,17t,2×(Co-Co)（动力车）,中车大连 / 株洲,≥88%,2×360,2×245,交 - 直 - 交电传动，接触网供电，智能驾驶,160km/h,专运普速客运,量产中,,,
+CR200J1-A,2020 年,2021 年,27912 (头车)/25500 (中间车),3360.0,560t/9 节,2500.0,17t,2×(Co-Co)（动力车）,中车大连,≥88%,2×360,2×245,交 - 直 - 交电传动，接触网供电,160km/h,普速干线客运,20 组,,,
+CR200J2-A,2020 年,2021 年,27912 (头车)/25500 (中间车),3360.0,560t/9 节,2500.0,17t,2×(Co-Co)（动力车）,中车株洲,≥88%,2×360,2×245,交 - 直 - 交电传动，接触网供电,160km/h,普速干线客运,30 组,,,
+CR200J3-A,2021 年,2022 年,27912 (头车)/25500 (中间车),3360.0,560t/9 节,2500.0,17t,2×(Co-Co)（动力车）,中车浦镇,≥88%,2×360,2×245,交 - 直 - 交电传动，接触网供电,160km/h,普速干线客运,50 组,,,
diff --git a/csv/全国普速客车型号统计表.csv b/csv/全国普速客车型号统计表.csv
new file mode 100644
index 0000000..e6bd5a4
--- /dev/null
+++ b/csv/全国普速客车型号统计表.csv
@@ -0,0 +1,191 @@
+全国普速客车型号统计表,,,,,,,,,,,,,,,,,,,
+系列,车型代码,车型全称,首产时间,停产时间,车体全长 /mm,车体宽度 /mm,车体高度 /mm,车辆定距 /mm,转向架型号,自重 /t,定员 / 人,构造速度 /km/h,供电方式,制动方式,主要用途,累计产量 / 配属,,,
+建国初期老式客车系列,YZ1,硬座车,1950 年,1953 年,21970.0,3000.0,4175.0,13500.0,101 型,40.0,88.0,75.0,无独立供电 / 后期改造轴驱发电,空气制动,建国初期干线普速客运,累计超 1000 辆，已全部退役,,,
+,YZ2,硬座车,1953 年,1956 年,23600.0,3100.0,4170.0,15000.0,101 型,42.0,108.0,80.0,轴驱独立发电,空气制动,干线普速客运,累计超 800 辆，已全部退役,,,
+,YZ3,硬座车,1956 年,1958 年,23600.0,3100.0,4170.0,15000.0,101 型,42.0,108.0,90.0,轴驱独立发电,空气制动,干线普速客运,累计超 500 辆，已全部退役,,,
+,胜利型,软座客车,1956 年,1958 年,23600.0,3100.0,4170.0,15000.0,101 型,45.0,54.0,90.0,轴驱独立发电,空气制动,干线高端客运 / 专运,累计超 100 辆，已全部退役,,,
+,前苏联进口 YZ 型,前苏联进口硬座车,1950 年,1952 年,21970.0,3000.0,4175.0,13500.0,进口转向架,40.0,88.0,75.0,无独立供电,空气制动,建国初期干线普速客运,累计超 400 辆，已全部退役,,,
+21 型客车系列,YZ21,硬座车,1953 年,1961 年,23600.0,3106.0,4170.0,15000.0,101 型,42.0,108.0,100.0,轴驱独立发电,空气制动,干线普速客运,累计超 3000 辆，已全部退役,,,
+,YW21,硬卧车,1953 年,1961 年,23600.0,3106.0,4170.0,15000.0,101 型,45.0,54.0,100.0,轴驱独立发电,空气制动,干线普速客运,累计超 1000 辆，已全部退役,,,
+,RW21,软卧车,1953 年,1961 年,23600.0,3106.0,4170.0,15000.0,101 型,46.0,32.0,100.0,轴驱独立发电,空气制动,干线普速客运,累计超 300 辆，已全部退役,,,
+,RZ21,软座车,1954 年,1960 年,23600.0,3106.0,4170.0,15000.0,101 型,44.0,64.0,100.0,轴驱独立发电,空气制动,干线高端客运,累计超 200 辆，已全部退役,,,
+,XL21,行李车,1954 年,1961 年,23600.0,3106.0,4170.0,15000.0,101 型,39.0,无,100.0,无独立供电,空气制动,行李运输,累计超 800 辆，已全部退役,,,
+,CA21,餐车,1954 年,1961 年,23600.0,3106.0,4170.0,15000.0,101 型,48.0,12 餐座,100.0,轴驱独立发电,空气制动,列车餐饮服务,累计超 500 辆，已全部退役,,,
+,UZ21,邮政车,1955 年,1960 年,23600.0,3106.0,4170.0,15000.0,101 型,40.0,无,100.0,无独立供电,空气制动,铁路邮政运输,累计超 300 辆，已全部退役,,,
+,罗马尼亚进口 21 型,进口硬座车,1970 年,1972 年,23600.0,3106.0,4170.0,15000.0,进口转向架,42.0,108.0,100.0,轴驱独立发电,空气制动,干线普速客运,累计超 400 辆，已全部退役,,,
+22 型客车系列,YZ22,硬座车,1959 年,1994 年,23600.0,3100.0,4280.0,15000.0,202 型 / 209 型,42.0,118.0,120.0,轴驱独立发电（非空调）/ 后期改造集中供电,空气制动,干线普速客运,累计超 25000 辆，已基本退役,,,
+,YW22,硬卧车,1959 年,1994 年,23600.0,3100.0,4280.0,15000.0,202 型 / 209 型,45.0,60.0,120.0,轴驱独立发电,空气制动,干线普速客运,累计超 8000 辆，已基本退役,,,
+,RW22,软卧车,1959 年,1994 年,23600.0,3100.0,4280.0,15000.0,202 型 / 209 型,47.0,32.0,120.0,轴驱独立发电,空气制动,干线普速客运,累计超 2000 辆，已基本退役,,,
+,RZ22,软座车,1960 年,1992 年,23600.0,3100.0,4280.0,15000.0,202 型 / 209 型,45.0,64.0,120.0,轴驱独立发电,空气制动,干线高端客运,累计超 500 辆，已基本退役,,,
+,XL22,行李车,1959 年,1994 年,23600.0,3100.0,4280.0,15000.0,202 型 / 209 型,40.0,无,120.0,无独立供电,空气制动,行李运输,累计超 3000 辆，已基本退役,,,
+,CA22,餐车,1959 年,1994 年,23600.0,3100.0,4280.0,15000.0,202 型 / 209 型,48.0,12 餐座,120.0,轴驱独立发电,空气制动,列车餐饮服务,累计超 1000 辆，已基本退役,,,
+,UZ22,邮政车,1960 年,1993 年,23600.0,3100.0,4280.0,15000.0,202 型 / 209 型,40.0,无,120.0,无独立供电,空气制动,铁路邮政运输,累计超 800 辆，已基本退役,,,
+,KD22,空调发电车,1990 年,1994 年,23600.0,3100.0,4280.0,15000.0,209 型,55.0,无,120.0,AC380V 三相发电,空气制动,列车集中供电,累计超 200 辆，已基本退役,,,
+,YZ22B,硬座车,1988 年,2000 年,23600.0,3100.0,4280.0,15000.0,209P 型,43.0,118.0,120.0,轴驱独立发电,空气制动,支线 / 通勤普速客运,累计超 3000 辆，已基本退役,,,
+,YZ22C,耐候钢硬座车,1990 年,1994 年,23600.0,3100.0,4280.0,15000.0,209P 型,43.0,118.0,120.0,轴驱独立发电,空气制动,寒冷地区干线客运,累计超 500 辆，已基本退役,,,
+,RW22B,高级软卧车,1990 年,1994 年,23600.0,3100.0,4280.0,15000.0,209P 型,48.0,24.0,120.0,轴驱独立发电,空气制动,高端干线客运,累计超 100 辆，已基本退役,,,
+,YZ22 通勤型,通勤硬座车,1980 年,1990 年,23600.0,3100.0,4280.0,15000.0,202 型,40.0,180.0,100.0,无独立供电,空气制动,城市市郊通勤客运,累计超 500 辆，已全部退役,,,
+22A 型改进客车系列,YZ22A,改进型硬座车,1985 年,1988 年,23600.0,3100.0,4280.0,15000.0,209 型,42.5,118.0,120.0,轴驱独立发电,空气制动,干线普速客运，22 型升级改型,累计超 800 辆，已基本退役,,,
+,RW22A,改进型软卧车,1985 年,1988 年,23600.0,3100.0,4280.0,15000.0,209 型,47.5,32.0,120.0,轴驱独立发电,空气制动,干线高端客运，22 型升级改型,累计超 150 辆，已基本退役,,,
+23 型客车系列,YZ23,硬座车,1961 年,1968 年,23600.0,3100.0,4280.0,15000.0,202 型,43.0,108.0,120.0,轴驱独立发电,空气制动,热带地区干线客运,累计超 200 辆，已全部退役,,,
+,YW23,硬卧车,1962 年,1968 年,23600.0,3100.0,4280.0,15000.0,202 型,46.0,60.0,120.0,轴驱独立发电,空气制动,热带地区干线客运,累计超 150 辆，已全部退役,,,
+,RW23,软卧车,1962 年,1967 年,23600.0,3100.0,4280.0,15000.0,202 型,47.0,32.0,120.0,轴驱独立发电,空气制动,热带地区干线客运,累计超 80 辆，已全部退役,,,
+,CA23,餐车,1963 年,1968 年,23600.0,3100.0,4280.0,15000.0,202 型,49.0,12 餐座,120.0,轴驱独立发电,空气制动,热带地区列车餐饮服务,累计超 50 辆，已全部退役,,,
+,XL23,行李车,1962 年,1968 年,23600.0,3100.0,4280.0,15000.0,202 型,40.0,无,120.0,无独立供电,空气制动,热带地区列车行李运输,累计超 80 辆，已全部退役,,,
+,UZ23,邮政车,1963 年,1967 年,23600.0,3100.0,4280.0,15000.0,202 型,40.0,无,120.0,无独立供电,空气制动,热带地区铁路邮政运输,累计超 50 辆，已全部退役,,,
+24 型客车系列,YW24,硬卧车,1966 年,1979 年,23950.0,3100.0,4280.0,15400.0,202 型,46.0,66.0,120.0,轴驱独立发电,空气制动,国际联运 / 干线客运,累计超 300 辆，已全部退役,,,
+,RW24,软卧车,1966 年,1979 年,23950.0,3100.0,4280.0,15400.0,202 型,47.0,32.0,120.0,轴驱独立发电,空气制动,国际联运 / 干线客运,累计超 150 辆，已全部退役,,,
+,RZ24,软座车,1967 年,1978 年,23950.0,3100.0,4280.0,15400.0,202 型,46.0,64.0,120.0,轴驱独立发电,空气制动,国际联运 / 高端客运,累计超 80 辆，已全部退役,,,
+,CA24,餐车,1967 年,1978 年,23950.0,3100.0,4280.0,15400.0,202 型,49.0,12 餐座,120.0,轴驱独立发电,空气制动,国际联运列车餐饮服务,累计超 50 辆，已全部退役,,,
+,RW24（东德进口）,进口软卧车,1980 年,1984 年,23950.0,3100.0,4280.0,15400.0,211 型进口转向架,48.0,32.0,140.0,轴驱独立发电,空气制动,国际联运 / 高端干线客运,累计超 200 辆，已全部退役,,,
+国际联运 18/19 型客车系列,RW18,国际联运软卧车,1965 年,2003 年,24530.0,3100.0,4280.0,16000.0,202 型 / 209P 型,50.0,32.0,140/160,轴驱独立发电 / DC600V 集中供电,空气制动,中俄 / 中蒙 / 中朝国际联运客运,累计超 500 辆，少量现役,,,
+,RW18K,快速国际联运软卧车,1997 年,2003 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,52.0,36.0,160.0,DC600V 集中供电,电空制动 + 盘形制动,中俄 / 中蒙国际联运客运,累计超 100 辆，现役,,,
+,RW18T,直达国际联运软卧车,2003 年,2010 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,54.0,36.0,160.0,DC600V 集中供电,电空制动 + 盘形制动,中俄国际联运客运,累计超 50 辆，现役,,,
+,RW19,高级软卧车,1967 年,2005 年,24530.0,3100.0,4280.0,16000.0,202 型 / 209P 型,52.5,16.0,140/160,轴驱独立发电 / 集中供电,空气制动,国际联运高端客运 / 专运,累计超 200 辆，少量现役,,,
+,RW19T,高级软卧车,2002 年,2020 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,55.0,16.0,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器,高端干线客运,累计超 300 辆，现役主力,,,
+,XL18,国际联运行李车,1966 年,2005 年,24530.0,3100.0,4280.0,16000.0,202 型 / 209P 型,42.5,无,140/160,无独立供电,空气制动,中俄 / 中蒙 / 中朝国际联运行李运输,累计超 200 辆，少量现役,,,
+,CA18,国际联运餐车,1967 年,2003 年,24530.0,3100.0,4280.0,16000.0,202 型 / 209P 型,50.0,24 餐座,140/160,轴驱独立发电 / 集中供电,空气制动,国际联运列车餐饮服务,累计超 100 辆，少量现役,,,
+,UZ18,国际联运邮政车,1968 年,2000 年,24530.0,3100.0,4280.0,16000.0,202 型,41.0,无,140.0,无独立供电,空气制动,国际联运铁路邮政运输,累计超 50 辆，已全部退役,,,
+25 型原型及准高速客车系列,25 型原型,初代 25 型客车,1967 年,1969 年,25500.0,3100.0,4433.0,18000.0,201 型,45.0,128.0,160.0,轴驱独立发电,空气制动,干线准高速客运试验,累计 3 辆，已全部退役,,,
+,25-O 型,进口 25 型客车,1977 年,1978 年,25500.0,3100.0,4433.0,18000.0,进口转向架,46.0,128.0,160.0,轴驱独立发电,空气制动,广深线准高速客运,累计 20 辆，已全部退役,,,
+,25-A 型,国产化 25 型客车,1979 年,1980 年,25500.0,3100.0,4433.0,18000.0,202 型,45.0,128.0,160.0,轴驱独立发电,空气制动,广深线准高速客运,累计 10 辆，已全部退役,,,
+,25C 型,不锈钢准高速客车,1994 年,1995 年,25500.0,3100.0,4433.0,18000.0,CW-2A 型,46.0,88.0,200 (设计)/160 (运营),AC380V 集中供电,电空制动 + 盘形制动,广深线准高速客运，国内第一代不锈钢客车,累计 30 辆，已全部退役,,,
+25M 型中速客车系列,YZ25M,中速硬座车,1994 年,1998 年,25500.0,3105.0,4433.0,18000.0,209HS 型,45.5,118.0,160.0,AC380V 集中供电,电空制动 + 盘形制动,干线快速客运，25K 型原型验证车,累计超 300 辆，已基本退役,,,
+,YW25M,中速硬卧车,1994 年,1998 年,25500.0,3105.0,4433.0,18000.0,209HS 型,48.5,66.0,160.0,AC380V 集中供电,电空制动 + 盘形制动,干线快速客运,累计超 200 辆，已基本退役,,,
+,RW25M,中速软卧车,1994 年,1998 年,25500.0,3105.0,4433.0,18000.0,209HS 型,51.5,36.0,160.0,AC380V 集中供电,电空制动 + 盘形制动,干线高端快速客运,累计超 100 辆，已基本退役,,,
+,CA25M,中速餐车,1994 年,1998 年,25500.0,3105.0,4433.0,18000.0,209HS 型,51.5,24 餐座,160.0,AC380V 集中供电,电空制动 + 盘形制动,快速列车餐饮服务,累计超 80 辆，已基本退役,,,
+25B 型客车系列,YZ25B,硬座车,1992 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,44.0,128.0,140.0,轴驱独立发电 / 集中供电,空气制动 + 盘形制动,干线普速 / 通勤客运,累计超 10000 辆，部分仍在支线运营,,,
+,YW25B,硬卧车,1992 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,47.0,66.0,140.0,轴驱独立发电,空气制动 + 盘形制动,干线普速客运,累计超 5000 辆，部分仍在运营,,,
+,RW25B,软卧车,1992 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,50.0,36.0,140.0,轴驱独立发电,空气制动 + 盘形制动,干线普速客运,累计超 1000 辆，部分仍在运营,,,
+,RZ25B,软座车,1992 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,48.0,80.0,140.0,轴驱独立发电,空气制动 + 盘形制动,干线普速客运,累计超 500 辆，部分仍在运营,,,
+,XL25B,行李车,1992 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,42.0,无,140.0,无独立供电,空气制动 + 盘形制动,行李运输,累计超 2000 辆，部分仍在运营,,,
+,CA25B,餐车,1992 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,50.0,24 餐座,140.0,轴驱独立发电,空气制动 + 盘形制动,列车餐饮服务,累计超 800 辆，部分仍在运营,,,
+,UZ25B,邮政车,1993 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,43.0,无,140.0,无独立供电,空气制动 + 盘形制动,铁路邮政运输,累计超 500 辆，已基本退役,,,
+,KD25B,空调发电车,1993 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,58.0,无,140.0,AC380V 三相发电,空气制动 + 盘形制动,列车集中供电,累计超 800 辆，部分现役,,,
+,SYZ25B,双层硬座车,1992 年,2005 年,25500.0,3105.0,4433.0,18000.0,209P 型,52.0,186.0,140.0,集中供电,空气制动 + 盘形制动,城际 / 旅游客运,累计超 150 辆，已基本退役,,,
+,SRZ25B,双层软座车,1992 年,2005 年,25500.0,3105.0,4433.0,18000.0,209P 型,52.0,180.0,140.0,集中供电,空气制动 + 盘形制动,城际 / 旅游客运,累计超 100 辆，已基本退役,,,
+,SYW25B,双层硬卧车,1993 年,2003 年,25500.0,3105.0,4433.0,18000.0,209P 型,55.0,120.0,140.0,集中供电,空气制动 + 盘形制动,城际 / 旅游客运,累计超 50 辆，已基本退役,,,
+,SCA25B,双层餐车,1993 年,2003 年,25500.0,3105.0,4433.0,18000.0,209P 型,55.0,48 餐座,140.0,集中供电,空气制动 + 盘形制动,双层列车餐饮服务,累计超 30 辆，已基本退役,,,
+,SRW25B,双层软卧车,1994 年,2002 年,25500.0,3105.0,4433.0,18000.0,209P 型,56.0,80.0,140.0,集中供电,空气制动 + 盘形制动,城际 / 旅游高端客运,累计超 20 辆，已全部退役,,,
+,WX25B,轨道检查车,1994 年,2005 年,25500.0,3105.0,4433.0,18000.0,209P 型,52.0,技术定员,140.0,集中供电,空气制动 + 盘形制动,线路状态检测,累计超 30 辆，已基本退役,,,
+,DX25B,电信车,1995 年,2000 年,25500.0,3105.0,4433.0,18000.0,209P 型,48.0,技术定员,140.0,集中供电,空气制动 + 盘形制动,列车通信保障,累计超 20 辆，已基本退役,,,
+,YZ25B 通勤型,通勤硬座车,1995 年,2005 年,25500.0,3105.0,4433.0,18000.0,209P 型,42.0,200.0,120.0,无独立供电,空气制动 + 盘形制动,城市市郊通勤客运,累计超 300 辆，已基本退役,,,
+25G 型客车系列,YZ25G,硬座车,1991 年,少量定制量产中,25500.0,3105.0,4433.0,18000.0,209P 型 / 209T 型,45.0,118.0,120.0,DC600V 集中供电 / AC380V 集中供电,空气制动 + 盘形制动,干线普速客运（K 字头列车主力）,累计超 30000 辆，国内现役主力普速客车,,,
+,YW25G,硬卧车,1991 年,少量定制量产中,25500.0,3105.0,4433.0,18000.0,209P 型 / 209T 型,48.0,66.0,120.0,DC600V 集中供电 / AC380V 集中供电,空气制动 + 盘形制动,干线普速客运（K 字头列车主力）,累计超 15000 辆，现役主力,,,
+,RW25G,软卧车,1991 年,少量定制量产中,25500.0,3105.0,4433.0,18000.0,209P 型 / 209T 型,51.0,36.0,120.0,DC600V 集中供电 / AC380V 集中供电,空气制动 + 盘形制动,干线普速客运,累计超 3000 辆，现役主力,,,
+,RW19G,高级软卧车,1995 年,2018 年,25500.0,3105.0,4433.0,18000.0,209P 型,53.0,16.0,120.0,DC600V 集中供电,空气制动 + 盘形制动,高端干线客运,累计超 300 辆，现役主力,,,
+,RZ25G,软座车,1991 年,2015 年,25500.0,3105.0,4433.0,18000.0,209P 型 / 209T 型,49.0,72.0,120.0,DC600V 集中供电,空气制动 + 盘形制动,干线普速客运,累计超 500 辆，少量现役,,,
+,XL25G,行李车,1991 年,少量定制量产中,25500.0,3105.0,4433.0,18000.0,209P 型 / 209T 型,43.0,无,120.0,DC600V 集中供电 / 无独立供电,空气制动 + 盘形制动,行李运输,累计超 5000 辆，现役主力,,,
+,CA25G,餐车,1991 年,少量定制量产中,25500.0,3105.0,4433.0,18000.0,209P 型 / 209T 型,51.0,24 餐座,120.0,DC600V 集中供电,空气制动 + 盘形制动,列车餐饮服务,累计超 2000 辆，现役主力,,,
+,CA25G（餐吧合造车）,餐吧合造车,2010 年,量产中,25500.0,3105.0,4433.0,18000.0,209P 型,50.0,24 餐座 + 32 硬座,120.0,DC600V 集中供电,空气制动 + 盘形制动,列车餐饮 + 客运合造,累计超 500 辆，现役主力,,,
+,KD25G,空调发电车,1991 年,2018 年,25500.0,3105.0,4433.0,18000.0,209P 型,58.0,无,120.0,AC380V 三相发电,空气制动 + 盘形制动,列车集中供电,累计超 1500 辆，部分现役,,,
+,UZ25G,邮政车,1991 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,43.0,无,120.0,DC600V 集中供电,空气制动 + 盘形制动,铁路邮政运输,累计超 500 辆，已基本退役,,,
+,SYZ25G,双层硬座车,1994 年,2005 年,25500.0,3105.0,4433.0,18000.0,209P 型,53.0,186.0,120.0,DC600V 集中供电,空气制动 + 盘形制动,城际 / 旅游客运,累计超 80 辆，已基本退役,,,
+,SRZ25G,双层软座车,1994 年,2005 年,25500.0,3105.0,4433.0,18000.0,209P 型,53.0,180.0,120.0,DC600V 集中供电,空气制动 + 盘形制动,城际 / 旅游客运,累计超 60 辆，已基本退役,,,
+,WX25G,轨道检查车,1995 年,2015 年,25500.0,3105.0,4433.0,18000.0,209P 型,53.0,技术定员,120.0,DC600V 集中供电,空气制动 + 盘形制动,线路状态检测,累计超 40 辆，部分现役,,,
+,TZ25G,特种回送车,1995 年,2020 年,25500.0,3105.0,4433.0,18000.0,209P 型,44.0,无 / 少量定员,120.0,无独立供电 / DC600V 集中供电,空气制动 + 盘形制动,地铁 / 城轨 / 高铁车辆无火回送，特种运输,累计改造超 200 辆，全路配属,,,
+,TZ25G,特种公务车,1998 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,52.0,定制化定员,120.0,DC600V 集中供电,空气制动 + 盘形制动,铁路现场公务、应急指挥,累计生产超 50 辆，全路配属,,,
+,TZ25G,空调发电车（曾用代号）,1987 年,1995 年,25500.0,3105.0,4433.0,18000.0,209P 型,58.0,无,120.0,AC380V 三相发电,空气制动 + 盘形制动,双层空调客车配套集中供电,累计生产超 100 辆，已基本退役,,,
+,TZ25G,隧道检查车,1990 年,2000 年,25500.0,3105.0,4433.0,18000.0,209P 型,45.0,技术定员,120.0,DC600V 集中供电,空气制动 + 盘形制动,铁路隧道限界、病害检测,累计改造超 30 辆，已基本退役,,,
+,TZ25G,工具车,1995 年,2015 年,25500.0,3105.0,4433.0,18000.0,209P 型,43-45,无定员,120.0,无独立供电,空气制动 + 盘形制动,工务施工、接触网检修工具存储,累计改造超 200 辆，全路配属,,,
+,CL25G,材料车,1995 年,2015 年,25500.0,3105.0,4433.0,18000.0,209P 型,42-44,无定员,120.0,无独立供电,空气制动 + 盘形制动,线路施工、抢险救援材料运输,累计改造超 200 辆，全路配属,,,
+,YL25G,医疗体检列车,2000 年,2020 年,25500.0,3105.0,4433.0,18000.0,209P 型,52-54,医疗定员,120.0,DC600V 集中供电,空气制动 + 盘形制动,铁路沿线职工体检、应急医疗救援,累计改造 / 生产超 100 辆，全路配属,,,
+,TS25G,职工教育车,1995 年,2015 年,25500.0,3105.0,4433.0,18000.0,209P 型,47-49,教学定员,120.0,DC600V 集中供电,空气制动 + 盘形制动,铁路沿线职工技能培训、安全教育,累计改造超 100 辆，全路配属,,,
+,XY25G,洗衣车,1998 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,46-48,无定员,120.0,DC600V 集中供电,空气制动 + 盘形制动,工务施工人员衣物洗涤，检修列车配套,累计改造超 50 辆，全路配属,,,
+,JY25G,救援列车,1998 年,2015 年,25500.0,3105.0,4433.0,18000.0,209P 型,52.0,救援定员,120.0,DC600V 集中供电,空气制动 + 盘形制动,铁路事故应急救援,累计超 100 辆，全路配属,,,
+,YZCA25G,硬座餐车合造车,1995 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,49.0,32 硬座 + 24 餐座,120.0,DC600V 集中供电,空气制动 + 盘形制动,支线列车客运 + 餐饮合造,累计超 150 辆，少量现役,,,
+25K 型客车系列,YZ25K,硬座车,1996 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型 / 209HS 型,46.0,118.0,140.0,DC600V 集中供电 / AC380V 集中供电,电空制动 + 盘形制动,干线快速客运（T 字头列车主力）,累计超 8000 辆，现役主力,,,
+,YW25K,硬卧车,1996 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型 / 209HS 型,49.0,66.0,140.0,DC600V 集中供电 / AC380V 集中供电,电空制动 + 盘形制动,干线快速客运（T 字头列车主力）,累计超 6000 辆，现役主力,,,
+,RW25K,软卧车,1996 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型 / 209HS 型,52.0,36.0,140.0,DC600V 集中供电,电空制动 + 盘形制动,干线快速客运,累计超 1500 辆，现役主力,,,
+,RW19K,高级软卧车,1997 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,54.0,16.0,140.0,DC600V 集中供电,电空制动 + 盘形制动,高端干线快速客运,累计超 300 辆，现役主力,,,
+,RZ25K,软座车,1996 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型 / 209HS 型,50.0,72.0,140.0,DC600V 集中供电,电空制动 + 盘形制动,干线快速客运,累计超 300 辆，少量现役,,,
+,RZ125K,一等软座车,1997 年,2003 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,51.0,64.0,140.0,DC600V 集中供电,电空制动 + 盘形制动,高端干线快速客运,累计超 100 辆，少量现役,,,
+,RZ225K,二等软座车,1997 年,2003 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,50.0,80.0,140.0,DC600V 集中供电,电空制动 + 盘形制动,干线快速客运,累计超 200 辆，少量现役,,,
+,XL25K,行李车,1996 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型 / 209HS 型,44.0,无,140.0,DC600V 集中供电 / 无独立供电,电空制动 + 盘形制动,行李运输,累计超 1500 辆，现役主力,,,
+,CA25K,餐车,1996 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型 / 209HS 型,52.0,24 餐座,140.0,DC600V 集中供电,电空制动 + 盘形制动,列车餐饮服务,累计超 800 辆，现役主力,,,
+,KD25K,空调发电车,1996 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,59.0,无,140.0,AC380V 三相发电,电空制动 + 盘形制动,列车集中供电,累计超 600 辆，部分现役,,,
+,KD25K（单轴发电）,单轴空调发电车,1999 年,2003 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,57.0,无,140.0,AC380V 三相发电,电空制动 + 盘形制动,列车集中供电,累计超 100 辆，部分现役,,,
+,UZ25K,邮政车,1996 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,44.0,无,140.0,无独立供电,电空制动 + 盘形制动,铁路邮政运输,累计超 200 辆，已基本退役,,,
+,SYZ25K,双层硬座车,1996 年,2003 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,54.0,186.0,140.0,DC600V 集中供电,电空制动 + 盘形制动,城际 / 旅游客运,累计超 50 辆，已基本退役,,,
+,SRZ25K,双层软座车,1996 年,2003 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,54.0,180.0,140.0,DC600V 集中供电,电空制动 + 盘形制动,城际 / 旅游客运,累计超 80 辆，已基本退役,,,
+,SYW25K,双层硬卧车,1997 年,2002 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,57.0,,140.0,DC600V 集中供电,电空制动 + 盘形制动,城际 / 旅游高端客运,累计超 20 辆，已基本退役,,,
+,SRW25K,双层软卧车,1997 年,2002 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,57.0,80.0,140.0,DC600V 集中供电,电空制动 + 盘形制动,城际 / 旅游高端客运,累计超 20 辆，已基本退役,,,
+,SRZ25K 通勤型,双层通勤软座车,2000 年,2003 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,54.0,240.0,140.0,集中供电,电空制动 + 盘形制动,大城市市郊通勤客运,累计超 50 辆，已基本退役,,,
+,WX25K,轨道检查车,1998 年,2010 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,54.0,技术定员,140.0,DC600V 集中供电,电空制动 + 盘形制动,线路状态检测,累计超 30 辆，全路配属,,,
+,SY25K,试验车,1998 年,2010 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,52.0,技术定员,140.0,DC600V 集中供电,电空制动 + 盘形制动,铁路技术试验,累计超 20 辆，全路配属,,,
+,DX25K,电信车,1999 年,2003 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,51.0,技术定员,140.0,DC600V 集中供电,电空制动 + 盘形制动,列车通信保障,累计超 15 辆，部分现役,,,
+,HY25K,会议车,1998 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,51-53,会议定员,140.0,DC600V 集中供电,电空制动 + 盘形制动,铁路现场会议、应急指挥,累计生产 / 改造超 80 辆，全路配属,,,
+25Z 型客车系列,RZ125Z,一等软座车,1994 年,2000 年,25500.0,3105.0,4433.0,18000.0,CW-2 型,49.0,88.0,160.0,AC380V 集中供电,电空制动 + 盘形制动,广深线准高速高端客运,累计超 200 辆，已全部退役,,,
+,RZ225Z,二等软座车,1994 年,2000 年,25500.0,3105.0,4433.0,18000.0,CW-2 型,48.0,88.0,160.0,AC380V 集中供电,电空制动 + 盘形制动,广深线准高速客运,累计超 300 辆，已全部退役,,,
+,YZ25Z,硬座车,1994 年,2000 年,25500.0,3105.0,4433.0,18000.0,CW-2 型,47.0,88.0,160.0,AC380V 集中供电,电空制动 + 盘形制动,城际准高速客运,累计超 200 辆，已全部退役,,,
+,CA25Z,餐车,1994 年,2000 年,25500.0,3105.0,4433.0,18000.0,CW-2 型,52.0,24 餐座,160.0,AC380V 集中供电,电空制动 + 盘形制动,准高速列车餐饮服务,累计超 100 辆，已全部退役,,,
+,XL25Z,行李车,1994 年,2000 年,25500.0,3105.0,4433.0,18000.0,CW-2 型,44.0,无,160.0,无独立供电,电空制动 + 盘形制动,准高速列车行李运输,累计超 80 辆，已全部退役,,,
+,KD25Z,空调发电车,1994 年,2000 年,25500.0,3105.0,4433.0,18000.0,CW-2 型,59.0,无,160.0,AC380V 三相发电,电空制动 + 盘形制动,准高速列车集中供电,累计超 60 辆，已全部退役,,,
+,SRZ125Z,双层一等软座车,1994 年,2000 年,25500.0,3105.0,4433.0,18000.0,CW-2 型,54.0,108.0,160.0,AC380V 集中供电,电空制动 + 盘形制动,广深线双层准高速客运,累计超 100 辆，已全部退役,,,
+,SRZ225Z,双层二等软座车,1994 年,2000 年,25500.0,3105.0,4433.0,18000.0,CW-2 型,54.0,128.0,160.0,AC380V 集中供电,电空制动 + 盘形制动,广深线双层准高速客运,累计超 150 辆，已全部退役,,,
+,SCA25Z,双层餐车,1995 年,1999 年,25500.0,3105.0,4433.0,18000.0,CW-2 型,56.0,72 餐座,160.0,AC380V 集中供电,电空制动 + 盘形制动,双层列车餐饮服务,累计超 30 辆，已全部退役,,,
+,RZCA25Z,软座餐车合造车,1995 年,2000 年,25500.0,3105.0,4433.0,18000.0,CW-2 型,51.0,32 软座 + 24 餐座,160.0,AC380V 集中供电,电空制动 + 盘形制动,准高速列车客运 + 餐饮合造,累计超 50 辆，已全部退役,,,
+25D型准高速双层客车,SYZ25D,双层准高速硬座车,1999 年,2001 年,25500.0,3105.0,4433.0,18000.0,CW-200 型,54.5,186.0,200 (设计)/160 (运营),AC380V 集中供电,电空制动 + 盘形制动,广深线准高速城际客运,累计超 60 辆，已全部退役,,,
+,SRZ25D,双层准高速软座车,1999 年,2001 年,25500.0,3105.0,4433.0,18000.0,CW-200 型,54.0,180.0,200 (设计)/160 (运营),AC380V 集中供电,电空制动 + 盘形制动,广深线准高速高端城际客运,累计超 80 辆，已全部退役,,,
+,SCA25D,双层准高速餐车,1999 年,2001 年,25500.0,3105.0,4433.0,18000.0,CW-200 型,56.5,72 餐座,200 (设计)/160 (运营),AC380V 集中供电,电空制动 + 盘形制动,双层准高速列车餐饮服务,累计超 20 辆，已全部退役,,,
+25T 型客车系列,YZ25T,硬座车,2002 年,2020 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型 / SW-220K 型,48.0,118.0,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器,干线直达客运（Z 字头列车主力）,累计超 2000 辆，现役主力,,,
+,YW25T,硬卧车,2002 年,少量定制量产中,25500.0,3105.0,4433.0,18000.0,CW-200K 型 / SW-220K 型,51.0,66.0,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器,干线直达客运（Z 字头列车主力）,累计超 12000 辆，现役主力,,,
+,RW25T,软卧车,2002 年,少量定制量产中,25500.0,3105.0,4433.0,18000.0,CW-200K 型 / SW-220K 型,54.0,36.0,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器,干线直达客运,累计超 3000 辆，现役主力,,,
+,RZ25T,软座车,2002 年,2015 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型 / SW-220K 型,52.0,72.0,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器,干线直达客运,累计超 500 辆，少量现役,,,
+,RZ125T,一等软座车,2003 年,2010 年,25500.0,3105.0,4433.0,18000.0,SW-220K 型,53.0,64.0,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器,高端干线直达客运,累计超 100 辆，少量现役,,,
+,XL25T,行李车,2002 年,少量定制量产中,25500.0,3105.0,4433.0,18000.0,CW-200K 型 / SW-220K 型,45.0,无,160.0,DC600V 集中供电 / 无独立供电,电空制动 + 盘形制动 + 防滑器,行李运输,累计超 2000 辆，现役主力,,,
+,XL25T,特快行邮专列行李车,2003 年,2010 年,25500.0,3105.0,4433.0,18000.0,SW-220K 型,42.0,无 / 23t 载重,160.0,无独立供电,电空制动 + 盘形制动 + 防滑器,特快行邮专列高值货物运输,累计超 1000 辆，部分现役,,,
+,CA25T,餐车,2002 年,少量定制量产中,25500.0,3105.0,4433.0,18000.0,CW-200K 型 / SW-220K 型,54.0,24 餐座,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器,列车餐饮服务,累计超 1000 辆，现役主力,,,
+,CA25T（餐吧合造车）,餐吧合造车,2010 年,量产中,25500.0,3105.0,4433.0,18000.0,CW-200K 型,53.0,24 餐座 + 32 硬座,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器,列车餐饮 + 客运合造,累计超 300 辆，现役主力,,,
+,KD25T,空调发电车,2002 年,2018 年,25500.0,3105.0,4433.0,18000.0,SW-220K 型,60.0,无,160.0,AC380V 三相发电,电空制动 + 盘形制动 + 防滑器,列车集中供电,累计超 400 辆，部分现役,,,
+,UZ25T,邮政车,2002 年,2010 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,45.0,无,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器,铁路邮政运输,累计超 200 辆，已基本退役,,,
+,BSP RW25T,进口型软卧车,2002 年,2004 年,25500.0,3105.0,4433.0,18000.0,AM96 型进口转向架,54.0,36.0,160.0,AC380V 集中供电,电空制动 + 盘形制动 + 防滑器,直达特快高端客运,累计超 400 辆，现役主力,,,
+,BSP YW25T,进口型硬卧车,2003 年,2004 年,25500.0,3105.0,4433.0,18000.0,AM96 型进口转向架,51.0,66.0,160.0,AC380V 集中供电,电空制动 + 盘形制动 + 防滑器,直达特快客运,累计超 300 辆，现役主力,,,
+,BSP RZ25T,进口型软座车,2002 年,2004 年,25500.0,3105.0,4433.0,18000.0,AM96 型进口转向架,52.0,80.0,160.0,AC380V 集中供电,电空制动 + 盘形制动 + 防滑器,广九直通车高端客运,累计超 100 辆，现役主力,,,
+,青藏 25T YW25T,高原型硬卧车,2005 年,2020 年,25500.0,3105.0,4433.0,18000.0,SW-220K 型,53.0,60.0,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器 + 密封加压,青藏铁路干线客运,累计超 600 辆，现役主力,,,
+,青藏 25T RW25T,高原型软卧车,2005 年,2020 年,25500.0,3105.0,4433.0,18000.0,SW-220K 型,56.0,32.0,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器 + 密封加压,青藏铁路高端客运,累计超 200 辆，现役主力,,,
+,青藏 25T YZ25T,高原型硬座车,2005 年,2020 年,25500.0,3105.0,4433.0,18000.0,SW-220K 型,50.0,98.0,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器 + 密封加压,青藏铁路干线客运,累计超 150 辆，现役主力,,,
+,青藏 25T CA25T,高原型餐车,2005 年,2020 年,25500.0,3105.0,4433.0,18000.0,SW-220K 型,56.0,20 餐座,160.0,DC600V 集中供电,电空制动 + 盘形制动 + 防滑器 + 密封加压,青藏铁路餐饮服务 + 供氧,累计超 100 辆，现役主力,,,
+,青藏 25T KD25T,高原型发电车,2005 年,2020 年,25500.0,3105.0,4433.0,18000.0,SW-220K 型,62.0,无,160.0,AC380V 三相发电 + 制氧系统,电空制动 + 盘形制动 + 防滑器,青藏铁路供电 + 制氧,累计超 80 辆，现役主力,,,
+,TZ25B,特种回送车,1995 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,43.0,无 / 少量定员,140.0,无独立供电,空气制动 + 盘形制动,地铁 / 城轨车辆无火回送,累计改造超 100 辆，全路配属,,,
+米轨 / 窄轨客车系列,YZ30 型,米轨硬座车,1972 年,1990 年,16000.0,2750.0,3700.0,9000.0,102 型米轨转向架,18.0,88.0,60.0,轴驱独立发电,空气制动,云南昆河米轨铁路客运,累计超 200 辆，已基本退役,,,
+,YW30 型,米轨硬卧车,1973 年,1990 年,16000.0,2750.0,3700.0,9000.0,102 型米轨转向架,19.0,36.0,60.0,轴驱独立发电,空气制动,云南昆河米轨铁路客运,累计超 80 辆，已基本退役,,,
+,RW30 型,米轨软卧车,1973 年,1990 年,16000.0,2750.0,3700.0,9000.0,102 型米轨转向架,20.0,18.0,60.0,轴驱独立发电,空气制动,云南昆河米轨铁路客运,累计超 30 辆，已基本退役,,,
+,CA30 型,米轨餐车,1974 年,1990 年,16000.0,2750.0,3700.0,9000.0,102 型米轨转向架,20.0,12 餐座,60.0,轴驱独立发电,空气制动,云南昆河米轨铁路餐饮服务,累计超 20 辆，已基本退役,,,
+,YZ31 型,新型米轨硬座车,2002 年,2005 年,18000.0,2750.0,3700.0,10500.0,米轨 209P 型转向架,21.0,102.0,80.0,DC600V 集中供电,空气制动 + 盘形制动,云南昆玉河米轨铁路客运,累计超 50 辆，现役主力,,,
+,YW31 型,新型米轨硬卧车,2002 年,2005 年,18000.0,2750.0,3700.0,10500.0,米轨 209P 型转向架,22.0,44.0,80.0,DC600V 集中供电,空气制动 + 盘形制动,云南昆玉河米轨铁路客运,累计超 30 辆，现役主力,,,
+,YZ32 型,新型米轨硬座车,2015 年,2020 年,18000.0,2750.0,3700.0,10500.0,米轨 209P 型转向架,21.5,108.0,100.0,DC600V 集中供电,空气制动 + 盘形制动,云南昆玉河米轨铁路客运,累计超 30 辆，现役主力,,,
+,1000mm 窄轨客车,工矿窄轨客车,1960 年,2000 年,12000.0,2200.0,3000.0,7000.0,窄轨转向架,12.0,60.0,40.0,无独立供电,空气制动,工矿 / 林区窄轨铁路通勤,累计超 1000 辆，已基本淘汰,,,
+特种功能改造客车系列,YZ22 改,党员流动课堂车（党员活动车）,2010 年后各路局分批改造,无统一停产时间,23600.0,3100.0,4280.0,15000.0,202 型 / 209 型,43-45,按改造定制,100-120,轴驱独立发电 / 改造集中供电,空气制动,铁路系统党员党史学习、流动党课、主题党日活动,全路累计改造超 200 辆，各路局配属,,,
+,YZ25G 改,党员活动主题车,2021 年后各路局分批改造,无统一停产时间,25500.0,3105.0,4433.0,18000.0,209P 型,46-48,按改造定制,120.0,DC600V 集中供电,空气制动 + 盘形制动,红色主题教育、党员学习、党建宣传展示，红色旅游列车配套,全路累计改造超 150 辆，各路局配属,,,
+,YW25G 改,红色教育主题卧铺车,2021 年后各路局分批改造,无统一停产时间,25500.0,3105.0,4433.0,18000.0,209P 型,49-51,按改造定制,120.0,DC600V 集中供电,空气制动 + 盘形制动,红色旅游专线客运 + 党史教育展示,全路累计改造超 100 辆，各路局配属,,,
+,YZ25B 改,流动党员教育车,2015 年后各路局分批改造,无统一停产时间,25500.0,3105.0,4433.0,18000.0,209P 型,44-46,按改造定制,140.0,轴驱独立发电,空气制动 + 盘形制动,偏远工区、沿线站点党员流动教育、组织生活开展,全路累计改造超 80 辆，各路局配属,,,
+特种专用客车系列,GW21,公务车,1955 年,1960 年,23600.0,3106.0,4170.0,15000.0,101 型,47.0,定制化定员,100.0,轴驱独立发电,空气制动,铁路公务出行,累计超 30 辆，已全部退役,,,
+,GW22,公务车,1960 年,1990 年,23600.0,3100.0,4280.0,15000.0,202 型 / 209 型,48.0,定制化定员,120.0,轴驱独立发电,空气制动,铁路公务出行,累计超 100 辆，已全部退役,,,
+,GW25B,公务车,1993 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,52.0,定制化定员,140.0,集中供电,空气制动 + 盘形制动,铁路公务出行,累计超 50 辆，少量现役,,,
+,GW25K,公务车,1997 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,54.0,定制化定员,140.0,DC600V 集中供电,电空制动 + 盘形制动,铁路公务出行,累计超 30 辆，少量现役,,,
+,GW25T,公务车,2003 年,2010 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,58.0,定制化定员,160.0,DC600V 集中供电,电空制动 + 盘形制动,铁路公务出行,少量定制生产，不对外公开,,,
+,WX25T,轨道检查车,2004 年,2020 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,56.0,技术定员,160.0,DC600V 集中供电,电空制动 + 盘形制动,线路状态检测,累计超 50 辆，全路配属,,,
+,WX25T,隧道检查车,2018 年,2020 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,55-57,技术定员,160.0,DC600V 集中供电,电空制动 + 盘形制动,铁路隧道状态、限界、病害检测,累计生产超 20 辆，全路配属,,,
+,JW25G,接触网检测车,1997 年,2015 年,25500.0,3105.0,4433.0,18000.0,209P 型,52.0,技术定员,120.0,DC600V 集中供电,空气制动 + 盘形制动,接触网状态检测,累计超 40 辆，全路配属,,,
+,JW25K,接触网检测车,1999 年,2010 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,53.0,技术定员,140.0,DC600V 集中供电,电空制动 + 盘形制动,接触网状态检测,累计超 40 辆，全路配属,,,
+,TX25T,通信信号检测车,2005 年,2015 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,55.0,技术定员,160.0,DC600V 集中供电,电空制动 + 盘形制动,铁路通信信号、电务设备检测,累计超 20 辆，全路配属,,,
+,SY25T,电务检查车,2003 年,2010 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,53-55,12 人,160.0,DC600V 集中供电,电空制动 + 盘形制动,铁路通信信号、电务设备状态检测,累计生产超 30 辆，全路配属,,,
+,SY25T,试验车,2003 年,2020 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,53.0,技术定员,160.0,DC600V 集中供电,电空制动 + 盘形制动,铁路技术试验,累计超 30 辆，全路配属,,,
+,JH25T,轨道检衡车,2005 年,2020 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,54-56,技术定员,160.0,DC600V 集中供电,电空制动 + 盘形制动,轨道衡计量检定、货车称重设备校准,累计生产超 30 辆，全路配属,,,
+,YL25T,医疗列车,2010 年,2020 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,54.0,医疗定员,160.0,DC600V 集中供电,电空制动 + 盘形制动,铁路沿线医疗服务 / 应急救援,累计超 30 辆，全路配属,,,
+,JK25T,健康快车（眼科医疗车）,1997 年,2020 年,25500.0,3105.0,4750.0,18000.0,SW-220K 型,55-58,医疗定员,160.0,DC600V 集中供电 + 独立发电系统,电空制动 + 盘形制动,流动眼科手术、偏远地区医疗帮扶,累计生产 4 组 12 辆，全路配属,,,
+,WW25G,文物展示车（博物馆列车）,2010 年后,2020 年,25500.0,3105.0,4433.0,18000.0,209P 型,48-50,参观定员,120.0,DC600V 集中供电,空气制动 + 盘形制动,文物流动展览、铁路文化展示,累计改造超 50 辆，各路局配属,,,
+,ZH25T,应急指挥车,2005 年,2020 年,25500.0,3105.0,4433.0,18000.0,CW-200K 型,54-56,指挥定员,160.0,DC600V 集中供电 + 双冗余供电,电空制动 + 盘形制动,铁路事故应急指挥、线路抢险现场调度,累计生产超 30 辆，全路配属,,,
+,XY25B,洗浴车,1995 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,45-47,无定员,140.0,轴驱独立发电,空气制动 + 盘形制动,工务大修、线路施工人员洗浴配套,累计改造超 100 辆，全路配属,,,
+,SY22,宿营车,1980 年,1994 年,23600.0,3100.0,4280.0,15000.0,202 型 / 209 型,41.0,48.0,120.0,轴驱独立发电,空气制动,工务 / 工程人员宿营,累计超 300 辆，已基本退役,,,
+,SY23,宿营车,1965 年,1968 年,23600.0,3100.0,4280.0,15000.0,202 型,42.0,48.0,120.0,轴驱独立发电,空气制动,热带地区工务人员宿营,累计超 50 辆，已全部退役,,,
+,SY25B,宿营车,1995 年,2010 年,25500.0,3105.0,4433.0,18000.0,209P 型,47.0,48.0,140.0,轴驱独立发电,空气制动 + 盘形制动,工务 / 工程人员宿营,累计超 200 辆，全路配属,,,
+,SY25G,宿营车,1995 年,2015 年,25500.0,3105.0,4433.0,18000.0,209P 型,46.0,48.0,120.0,DC600V 集中供电,空气制动 + 盘形制动,工务 / 工程人员宿营,累计超 500 辆，现役主力,,,
+,SY25K,宿营车,1998 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型,47.5,48.0,140.0,DC600V 集中供电,电空制动 + 盘形制动,工务 / 工程人员宿营,累计超 200 辆，现役主力,,,
+,SY25T（高原型）,青藏铁路宿营车,2005 年,2020 年,25500.0,3105.0,4433.0,18000.0,SW-220K 型,54.0,40.0,160.0,DC600V 集中供电 + 制氧系统,电空制动 + 盘形制动 + 密封加压,青藏铁路工务人员宿营,累计超 50 辆，现役主力,,,
+,ZD22,制动过渡车,1990 年,2000 年,23600.0,3100.0,4280.0,15000.0,202 型,40-42,无定员,120.0,无独立供电,空气制动,双风管旅客列车牵引过渡风管适配,累计改造超 50 辆，已基本退役,,,
+,XLCA22,行李餐车合造车,1965 年,1985 年,23600.0,3100.0,4280.0,15000.0,202 型,43.0,12 餐座,120.0,轴驱独立发电,空气制动,支线列车行李 + 餐饮合造,累计超 100 辆，已全部退役,,,
+25DT型动车组拖车系列,25DT,动车组拖车（通用型）,1998 年,2005 年,25500.0,3105.0,4433.0,18000.0,SW-160 型 / CW-2 型,42-48,按编组定制,160-200,集中供电 / 轴驱发电,电空制动 + 盘形制动,早期内燃 / 电力动车组配套拖车,累计超 500 辆，已基本退役,,,
+"进口客
+车系列",朝鲜进口国际联运客车,国际联运客车,1975 年,1985 年,24530.0,3100.0,4280.0,16000.0,进口转向架,50.0,32.0,120.0,轴驱独立发电,空气制动,中朝国际联运客运,累计超 100 辆，少量现役,,,
diff --git a/csv/全国电力机车型号表.csv b/csv/全国电力机车型号表.csv
new file mode 100644
index 0000000..331293f
--- /dev/null
+++ b/csv/全国电力机车型号表.csv
@@ -0,0 +1,84 @@
+全国电力机车型号表,,,,,,,,,,,,,,,,,,,,,
+型号,,首产时间,停产时间,机车长度/mm,机车宽度/mm,整备重量/t,轴距/mm,轴重/t,轴列式,生产商,机械效率,牵引力(起动)/kN,牵引力(持续)/kN,供电方式（传动方式）,最高运行时速,用途,产量,,,,
+"和
+
+
+
+
+
+谐",HXD1型,2006 年,——,35222.0,3100.0,2×92(100),2800.0,23(25),2(Bo-Bo),中车株洲 / 中车戚墅堰 / 中车资阳,89%-94%,760.0,494(532),交 — 直 — 交流传动系统,120km/h,干线货运,651 台,,,,
+,HXD1B型,2009 年,——,22670.0,3100.0,150.0,2800.0,25.0,Co-Co,中车株洲电力机车有限公司,89%-94%,570.0,442.0,交 — 直 — 交流传动系统,120km/h,干线货运,650 台,,,,
+,HXD1C型,2009 年,——,22670.0,3100.0,138(150),2800.0,23(25),Co-Co,中车株洲 / 中车戚墅堰 / 中车资阳,89%-94%,520(570),370(400),各电机独立供电,120km/h,干线货运,1207 台,,,,
+,HXD1D型,2013 年,——,22446.0,3098.0,126.0,2150+2000,21.0,Co-Co,中车株洲 / 中车戚墅堰 / 中车资阳,≈87.6%,420.0,324.0,接触网供电,160km/h,干线客运,暂为 693 台,,,,
+,HXD1F型,2013 年,2014 年,35200.0,3100.0,2×100,2800.0,25.0,2(Bo-Bo),中车株洲电力机车有限公司,≥85%,≥1000,720.0,接触网供电,100km/h,干线货运,2 台 (试制),,,,
+,HXD1G型,2015 年,量产中,35000.0,3100.0,216(240),2800.0,23(25),2(Bo-Bo),中车株洲电力机车有限公司,≈87.6%,820(910),691.0,交 — 直 — 交流传动系统,160km/h,干线客运,累计超 200 台,,,,
+,HXD2型,2006 年,2020 年,35222.0,3100.0,2×92(100),2800.0,23(25),2(Bo-Bo),中车大同电力机车有限公司 (阿尔斯通技术合作),89%-94%,760.0,510.0,交流传动系统,120km/h,干线货运,累计超 1000 台,,,,
+,HXD2B型,2009 年,2018 年,22960.0,3100.0,150.0,2800.0,25.0,Co-Co,中车大同电力机车有限公司,≥85%,584.0,470.0,交 — 直 — 交流传动系统,120km/h,干线货运,500 台,,,,
+,HXD2C型,2010 年,2022 年,22960.0,3100.0,138(150),2800.0,23(25),Co-Co,中车大同电力机车有限公司,≥85%,520(570),370(400),交 — 直 — 交流传动系统,120km/h,干线货运,超 800 台,,,,
+,HXD2D型,未量产,未量产,22960.0,3100.0,126.0,2800.0,21.0,Co-Co,中车大同电力机车有限公司,≥85%,480.0,342.0,交 — 直 — 交流传动系统,160km/h,干线客运,1 台 (试制),,,,
+,HXD2F型,2013 年,未量产,37500.0,3100.0,2×108,2800.0,27.0,2(Bo-Bo),中车大同电力机车有限公司,≥85%,≥1200,840.0,单相交流电供电,100km/h,重载货运,2 台 (试制),,,,
+,HXD2G型,未量产,未量产,35000.0,3100.0,2×92,2800.0,23.0,2(Bo-Bo),中车大同电力机车有限公司,≥88%,800.0,560.0,交 — 直 — 交流传动系统,200km/h,快速客运,1 台 (试制),,,,
+,HXD3型,2004 年,2010 年,20846.0,3100.0,138.0,2250+2000,23.0,Co-Co,东芝公司 / 中车大连 / 中车二七厂 / 中车大同,89%-94%,520.0,370.0,交流传动系统,120km/h,干线货运,1080 台,,,,
+,HXD3A型,2012 年,量产中,35200.0,3100.0,2×100,2800.0,25.0,2(Bo-Bo),中车大连电力机车有限公司,≥85%,1000.0,720.0,交 — 直 — 交流传动系统,120km/h,干线重载货运,超 500 台,,,,
+,HXD3B型,2008 年,2015 年,22781.0,3100.0,150.0,2250+2000,25.0,Co-Co,中车大连电力机车有限公司,≥85%,570.0,440.0,三相交流供电,120km/h,干线货运,500 台,,,,
+,HXD3C型,2010 年,2020 年,20846.0,3100.0,138.0,2250+2000,23.0,Co-Co,中车大连 / 中车二七厂 / 中车大同,≥85%,520.0,370.0,交 — 直 — 交流传动系统,120km/h,干线客货通用,超 1300 台,,,,
+,HXD3CA型,2013 年,量产中,20846.0,3100.0,138(150),2250+2000,23(25),Co-Co,中车大连 / 中车大同,≥85%,520(570),370(400),600V 直流列车供电系统,120km/h,干线货运,超 600 台,,,,
+,HXD3D型,2012 年,2019 年,22960.0,3100.0,126.0,2250+2000,21.0,Co-Co,中车大连 / 中车大同,≥85%,580.0,420.0,交 — 直 — 交流传动系统,160km/h,干线客运,600 台,,,,
+,HXD3E型,未量产,未量产,35000.0,3100.0,2×92,2800.0,23.0,2(Bo-Bo),中车大连电力机车有限公司,≥88%,800.0,560.0,四象限整流并串联输出技术供电,160km/h,快速货运,2 台 (试制),,,,
+"韶
+
+
+
+山",SS1型,1958 年,1988 年,20368.0,3105.0,138.0,4600.0,23.0,Co-Co,株洲电力机车厂,82%-86%,487.0,301.0,交 — 直 — 直流传动系统,90km/h,干线客货通用,819 台,,,,
+,SS2型,1969 年,1982 年,20000.0,3100.0,138.0,4600.0,23.0,Co-Co,株洲电力机车厂,≥80%,510.0,343.0,交 — 直 — 直流传动系统,100km/h,干线货运,1 台,,,,
+,SS3型,1978 年,2006 年,20200.0,3105.0,138.0,4600.0,23.0,Co-Co,株洲 / 大同 / 资阳 / 太原 / 大连厂,82%-86%,490.0,323.0,交 — 直 — 直流传动系统,100km/h,干线客货通用,早期型 772 台、4000 系 838 台,,,,
+,SS3B型,2002 年,2009 年,42832.0,3105.0,2×138,4600.0,23.0,2(Co-Co),株洲 / 大同 / 资阳 / 广阳 / 大连厂,82%-86%,2×490,2×323,交 — 直 — 直流传动系统,100km/h,干线货运,387 台,,,,
+,SS3C型,2008 年,2008 年,43000.0,3100.0,2×138,4600.0,23.0,2(Co-Co),太原轨道交通装备,≥82%,2×490,2×323,交 — 直 — 直流传动系统,100km/h,干线货运,1 台,,,,
+,SS4型,1985 年,2006 年,32832.0,3100.0,2×92,2900.0,23.0,2(Bo-Bo),株洲 / 大同 / 资阳 / 广阳 / 大连厂,82%-86%,628.0,436.0,交 — 直 — 直流传动系统,100km/h,干线重载货运,早期型 138 台、改进型 1419 台,,,,
+,SS4B型,1995 年,2011 年,32832.0,3100.0,2×92,2900.0,23.0,2(Bo-Bo),株洲电力机车厂,≥82%,628.0,450.0,交 — 直 — 直流传动系统,100km/h,干线货运,26 台,,,,
+,SS4C型,1997 年,1997 年,32832.0,3100.0,2×100,2900.0,25.0,2(Bo-Bo),株洲电力机车厂,≥82%,650.0,450.0,交 — 直 — 直流传动系统,100km/h,干线重载货运,2 台,,,,
+,SS4G型,1993 年,2006 年,32832.0,3100.0,2×92,2900.0,23.0,2(Bo-Bo),株洲电力机车厂,82%-86%,628.0,436.0,交 — 直 — 直流传动系统,100km/h,干线重载货运,早期型 188 台、改进型 1419 台,,,,
+,SS5型,1990 年,1990 年,18700.0,3100.0,88.0,2900.0,22.0,Bo-Bo,株洲电力机车厂 / 大同厂,≥82%,343.0,200.0,交 — 直 — 直流传动系统,140km/h,干线客运,2 台,,,,
+,SS6型,1991 年,1991 年,20200.0,3105.0,138.0,4600.0,23.0,Co-Co,株洲电力机车厂,≥82%,490.0,355.0,交 — 直 — 直流传动系统,100km/h,干线货运,53 台,,,,
+,SS6B型,1992 年,2002 年,20200.0,3105.0,138.0,4600.0,23.0,Co-Co,株洲电力机车厂 / 大同机车厂,≥82%,485.0,343.0,交 — 直 — 直流传动系统,100km/h,干线货运,113 台,,,,
+,SS7型,1992 年,2006 年,20800.0,3105.0,138.0,3200.0,23.0,Bo-Bo-Bo,大同机车厂,≥82%,485.0,351.0,交 — 直 — 直流传动系统,100km/h,干线货运,113 台,,,,
+,SS7B型,1997 年,1997 年,20800.0,3105.0,150.0,3200.0,25.0,Bo-Bo-Bo,大同机车厂,≥82%,570.0,450.0,交 — 直 — 直流传动系统,100km/h,干线重载货运,2 台,,,,
+,SS7C型,1998 年,2006 年,22016.0,3105.0,132.0,3200.0,22.0,Bo-Bo-Bo,大同机车厂,≥82%,390.0,270.0,交 — 直 — 直流传动系统,120km/h,干线客运,171 台,,,,
+,SS7D型,1999 年,2002 年,20800.0,3105.0,126.0,3200.0,21.0,Bo-Bo-Bo,大同机车厂,≥82%,390.0,245.0,交 — 直 — 直流传动系统,170km/h,干线客运,59 台,,,,
+,SS7E型,2001 年,2006 年,22016.0,3105.0,126.0,3200.0,21.0,Bo-Bo-Bo,大同机车厂 / 大连机车车辆厂,≥82%,390.0,245.0,交 — 直 — 直流传动系统,170km/h,干线客运,146 台,,,,
+,SS8型,1994 年,2001 年,17516.0,3105.0,88.0,2900.0,22.0,Bo-Bo,株洲电力机车厂,≥82%,210.0,126.0,交 — 直 — 直流传动系统,170km/h,干线客运,245 台,,,,
+,SS8B型,1998 年,1998 年,17516.0,3105.0,88.0,2900.0,22.0,Bo-Bo,株洲电力机车厂,≥82%,240.0,150.0,交 — 直 — 直流传动系统,150km/h,西陇海线长大坡道牵引试验（客运 / 通勤）,2 台（编号 SS8-2001、2002，后改回标准配置）,,,,
+,SS9型,1998 年,2006 年,22216.0,3105.0,126.0,2900.0,21.0,Co-Co,株洲电力机车厂,≥82%,480.0,265.0,交 — 直 — 直流传动系统,170km/h,干线客运,早期型 43 台、改进型 171 台,,,,
+,SS9G型,2002 年,2006 年,22216.0,3105.0,126.0,2900.0,21.0,Co-Co,株洲电力机车厂,≥82%,480.0,265.0,交 — 直 — 直流传动系统,170km/h,干线客运,171 台,,,,
+"复
+
+
+兴",FXD1型,2015 年,量产中,35000.0,3100.0,2×92,2800.0,23.0,2(Bo-Bo),中车株洲电力机车有限公司,≥88%,800.0,560.0,交 — 直 — 交流传动系统,160km/h,干线快速客运,超 200 台,,,,
+,FXD1B型,2024 年,量产中,37500.0,3100.0,2×108,2800.0,27.0,2(Bo-Bo),中车株洲电力机车有限公司,≥88%,1200.0,840.0,交 — 直 — 交流传动系统,100km/h,重载货运,量产中,,,,
+,FXD2型,2020 年,量产中,35000.0,3100.0,2×92,2800.0,23.0,2(Bo-Bo),中车大同电力机车有限公司,≥88%,800.0,560.0,交 — 直 — 交流传动系统,160km/h,干线快速客运,超 100 台,,,,
+,FXD3型,2019 年,量产中,35000.0,3100.0,2×92,2800.0,23.0,2(Bo-Bo),中车大连机车车辆有限公司,≥88%,800.0,560.0,交 — 直 — 交流传动系统,160km/h,干线快速客运,超 300 台,,,,
+,FXSY型,2022 年,量产中,22000.0,3100.0,126.0,2800.0,21.0,Co-Co,中车株洲电力机车有限公司,≥88%,480.0,342.0,交 — 直 — 交流传动系统,160km/h,市域铁路客运,量产中,,,,
+"进口
+机车",6G型,1972 年,1972 年,21332.0,3050.0,138.0,4000.0,23.0,Co-Co,法国阿尔斯通公司,≥80%,510.0,343.0,交 — 直 — 直流传动系统,112km/h,干线货运,40 台,,,,
+,6G1 型,1971 年,1972 年,20000.0,3100.0,126.0,3300.0,21.0,Co-Co,罗马尼亚国营克拉约瓦机车厂,≥82%,510.0,380.0,交 — 直 — 直流传动系统（硅整流）,120km/h,干线货运,2 台,,,,
+,6K型,1987 年,1988 年,22200.0,3100.0,138.0,3300.0,23.0,Bo-Bo-Bo,日本川崎重工业 / 三菱电机,≥82%,485.0,355.0,交 — 直 — 直流传动系统,100km/h,干线货运,85 台,,,,
+,6Y2型,1960 年,1969 年,21000.0,3050.0,138.0,3300.0,23.0,Bo-Bo-Bo,法国阿尔斯通公司,≥80%,510.0,303.0,交 — 直 — 直流传动系统,100km/h,干线货运,25 台,,,,
+,8G型,1987 年,1990 年,32760.0,3150.0,2×92,2900.0,23.0,2(Bo-Bo),苏联诺沃切尔卡斯克电力机车厂,≥82%,628.0,436.0,交 — 直 — 直流传动系统,100km/h,干线货运,100 台,,,,
+,8K型,1987 年,1989 年,32354.0,3140.0,2×92,2900.0,23.0,2(Bo-Bo),法国阿尔斯通公司,≥82%,628.0,470.0,交 — 直 — 直流传动系统,100km/h,干线货运,150 台,,,,
+,8M型,1988 年,1988 年,20000.0,3100.0,138.0,4600.0,23.0,Co-Co,瑞士 BBC 公司,≥82%,490.0,343.0,交 — 直 — 直流传动系统,100km/h,干线货运,,,,,
+,DJ1型,2001 年,2003 年,35222.0,3100.0,2×92,2800.0,23.0,2(Bo-Bo),奥地利格拉茨工厂 / 株洲西门子工厂,≥85%,760.0,460.0,交 — 直 — 交流传动系统,120km/h,干线货运,20 台,,,,
+"其
+他
+电
+力
+机
+车",6Y1 型,1958 年,1966 年,20368.0,3104.0,138.0,4600.0,23.0,Co-Co,株洲电力机车厂（湘潭电机厂联合试制）,80%-84%,308.7,257.7,交 — 直 — 直流传动系统（引燃管 / 硅整流）,100km/h,干线客货通用,7 台（试制，为 SS1 型原型）,,,,
+,CEA1A1 型,2011 年,量产中,52900.0,3100.0,3×100,2900.0,25.0,3(Bo-Bo),中车株洲电力机车有限公司,≥88%,1140.0,900.0,交 — 直 — 交流传动系统,120km/h,重载干线货运,量产中（累计超 100 台）,,,,
+,DJ型 (奥星),1998 年,1998 年,22000.0,3100.0,126.0,2900.0,21.0,Co-Co,株洲电力机车厂,≥85%,480.0,265.0,交 — 直 — 交流传动系统,200km/h,干线客运,2 台,,,,
+,DJ2型 (九方),2001 年,2001 年,19400.0,3100.0,88.0,2900.0,22.0,Bo-Bo,株洲电力机车厂,≥85%,280.0,160.0,交 — 直 — 交流传动系统,200km/h,干线客运,3 台,,,,
+,DJ3型 (天梭),2002 年,2002 年,19400.0,3100.0,88.0,2900.0,22.0,Bo-Bo,大同机车厂,≥85%,280.0,160.0,交 — 直 — 交流传动系统,200km/h,干线客运,2 台,,,,
+,DJG2型,2009 年,2009 年,19400.0,3100.0,88.0,2900.0,22.0,Bo-Bo,大同机车厂,≥88%,280.0,160.0,交 — 直 — 交流传动系统,220km/h,干线客运,2 台,,,,
+,韶峰型（ZG150-1500 型）,1969 年（试制），1970 年代定型量产,2010 年前后逐步停产,17800.0,3150.0,150.0,3300.0,25.0,Bo-Bo-Bo,湘潭电机厂（现湘电集团）,≥80%,256.0,137.0,1500V 直流接触网供电，直 — 直流传动系统,65km/h,大型露天矿山 / 冶金工矿重载运输,累计生产超 1000 台，为国内主力工矿电力机车,,,,
+,神24型,2020 年,量产中,105736.0,3100.0,648/27,2900.0,27.0,6×(Bo-Bo),中车株洲电力机车有限公司（国家能源集团联合研制）,≥90%,2280.0,1500.0,25kV 单相交流电接触网供电，交 — 直 — 交流传动系统,120km/h,西煤东运干线万吨级重载货运（神朔、朔黄、包神铁路）,累计超 20 台（首批订单 8 台，持续量产）,,,,
+,神华号,2012 年,量产中,35200.0,3100.0,2×108,2800.0,27.0,2(Bo-Bo),中车株洲 / 中车大同 / 中车大连,≥88%,1200.0,840.0,交 — 直 — 交流传动系统,120km/h,重载货运,超 200 台,,,,
+,天梭,2003 年,2003 年,19400.0,3100.0,88.0,2900.0,22.0,Bo-Bo,大同机车厂,≥85%,280.0,160.0,交 — 直 — 交流传动系统,200km/h,干线客运,1 台,,,,
diff --git a/csv/北京表（蒸汽机车）.csv b/csv/北京表（蒸汽机车）.csv
new file mode 100644
index 0000000..c342749
--- /dev/null
+++ b/csv/北京表（蒸汽机车）.csv
@@ -0,0 +1,71 @@
+北京现存所有蒸汽机车统计表,,,,,,,,,,
+,,,,,,,,,,
+,,,,,,,,,,
+\,型号,编号,存放位置,生产厂商,制造时间,备注,,,,
+1.0,0号蒸汽机车,无,中国铁路博物馆东郊展馆,英国苏格兰机车厂,1881年,中国现存最古老蒸汽汽车,,,,
+2.0,反帝（FD）,1979.0,中国铁路博物馆东郊展馆,苏联某厂,1931年,后来改名反修，又名友好,,,,
+3.0,工建（GJ）,1019.0,中国铁路博物馆东郊展馆,太厂,1959-11-01 00:00:00,,,,,
+4.0,解放（JF）,304.0,中国铁路博物馆东郊展馆,日本,1941年,“毛泽东号”,,,,
+5.0,解放（JF）,1191.0,中国铁路博物馆东郊展馆,日本,1942年,“朱德号”,,,,
+6.0,解放（JF）,2101.0,中国铁路博物馆东郊展馆,四方,1950年,“国庆号”,,,,
+7.0,解放（JF）,2121.0,中国铁路博物馆东郊展馆,四方,1952-12-01 00:00:00,,,,,
+8.0,解放（JF）,4101.0,中国铁路博物馆东郊展馆,太北段,1958年,,,,,
+9.0,解放6（JF6）,3022.0,中国铁路博物馆东郊展馆,日本,1933年,,,,,
+10.0,解放9（JF9）,3673.0,中国铁路博物馆东郊展馆,日本,1940年,,,,,
+11.0,解放11（JF11）,3773.0,中国铁路博物馆东郊展馆,美国,1937年,,,,,
+12.0,解放11（JF11）,3787.0,中国铁路博物馆东郊展馆,美国,1937年,,,,,
+13.0,解放51（JF51）,738.0,中国铁路博物馆东郊展馆,法国,1926年,,,,,
+14.0,建设（GS）,5001.0,中国铁路博物馆东郊展馆,连厂,1957-07-01 00:00:00,,,,,
+15.0,KD5,373.0,中国铁路博物馆东郊展馆,日本,1921年,,,,,
+16.0,KD55,579.0,中国铁路博物馆东郊展馆,日本,1921年,,,,,
+17.0,KD7,534.0,中国铁路博物馆东郊展馆,美国,1947年,,,,,
+18.0,KF1,006,中国铁路博物馆东郊展馆,英国,1936年,,,,,
+19.0,MG35,不详,中国铁路博物馆东郊展馆,美国,1920年,,,,,
+20.0,PL3,51.0,中国铁路博物馆东郊展馆,日本,1935年,,,,,
+21.0,PL9,146.0,中国铁路博物馆东郊展馆,比利时,1922年,,,,,
+22.0,前进（QJ）,0001,中国铁路博物馆东郊展馆,连厂,1956年,,,,,
+23.0,前进（QJ）,0004,中国铁路博物馆东郊展馆,连厂,1958年,,,,,
+24.0,前进（QJ）,101.0,中国铁路博物馆东郊展馆,大同厂,1964年,,,,,
+25.0,KD7,641.0,中国铁路博物馆东郊展馆,美国,1946年,,,,,
+26.0,SN,23.0,中国铁路博物馆东郊展馆,美国鲍尔温工厂,1929年,,,,,
+27.0,胜利3（SL3）,152.0,中国铁路博物馆东郊展馆,日本大阪机车公司,1939年,,,,,
+28.0,上游（SY）,0447,首钢特殊钢铁厂,唐厂,约1968年,于2025年5月卖出,,,,
+29.0,上游（SY）,1214.0,首钢重型机械厂,唐厂,约1976年,,,,,
+30.0,上游（SY）,0375,首钢重型机械厂,唐厂,约1966年,,,,,
+31.0,上游（SY）,0688,北京冬奥组委,唐厂,约1969年,,,,,
+32.0,上游（SY）,1739.0,石景山游乐园,唐厂,约1988年,,,,,
+33.0,上游（SY）,0891,二七厂,唐厂,约1972年,,,,,
+34.0,上游（SY）,0723,二七厂,唐厂,约1970年,被二七厂严重破坏,,,,
+35.0,上游（SY）,1085.0,中国铁道科学研究院总部院,唐厂,约1981年,,,,,
+36.0,上游（SY）,1599.0,唐自头影视基地,唐厂,约1984年,,,,,
+37.0,上游（SY）,1752.0,南沙河早市,唐厂,约1989年,,,,,
+38.0,上游（SY）,1339.0,广渠东路60号院边,唐厂,约1981年,,,,,
+39.0,上游（SY）,0610,城外诚家具广场南门,唐厂,约1969年,车号改为866,,,,
+40.0,上游（SY）,0309,798艺术区751火车头广场,唐厂,约1966年,车号改为0751,,,,
+41.0,上游（SY）,0517,北京国际露营公园内,唐厂,约1969年,车号改为10799,,,,
+42.0,上游（SY）,1027.0,首钢红冶钢厂,唐厂,约1976年,2021修好可过轨自动力运行,,,,
+43.0,上游（SY）,1028.0,首钢红冶钢厂,唐厂,约1977年,,,,,
+44.0,C2,28-02,广渠东路60号院边,无法考证,无法考证,改号车,,,,
+45.0,C2,02,大灰厂石灰矿运输部机车库,石家庄电力机械厂,约1985,生产时间、厂家，均存疑,,,,
+46.0,C2,03,大灰厂石灰矿运输部机车库,哈尔滨森林机械厂,约1985,生产时间、厂家，均存疑,,,,
+47.0,C2,不详,北京交通大学,石家庄动力机械厂,约1958,在山东某矿区找出，13年进入北交大,,,,
+48.0,C2,原号不详,北京汽车博物馆,无法考证,无法考证,改号为C2-260,,,,
+49.0,C2,原号不详,北京汽车博物馆,无法考证,无法考证,改号为C2-261,,,,
+50.0,C2,305.0,首钢园景区内,石家庄动力机械厂,无法考证,,,,,
+51.0,C2,不详,首钢鲁家山石灰石矿有限公司,无法考证,无法考证,2002年退役,,,,
+52.0,XK13,115.0,首钢南区,波兰赫扎努夫机车厂,约1959年,,,,,
+53.0,解放（JF）,2246.0,二七厂,不详（二七厂可能性大）,1958年左右,生产时间在1952年到1960年之间偏后,,,,
+54.0,解放（JF）,2023.0,玲珑公园内,不详（建国后仿制外国车）,无法考证,曾为京局怀段,,,,
+55.0,解放（JF）,2345.0,京门铁路主题公园内,四方,1956-04-01 00:00:00,曾在中国成立50周年成就展览会上展出,,,,
+56.0,建设（JS）,5039.0,北京展览馆,连厂,1961年左右,曾服役于京局洞段,,,,
+57.0,建设（JS）,5398.0,京局丰段,大同厂,1988年,曾服役于京局丰段,,,,
+58.0,前进（QJ）,6117.0,智慧长阳美术馆,存疑,存疑,存疑处多，改号2017，后挂先锋号,,,,
+59.0,MG8,038,青龙桥站,英武兰铁工厂,1917年,具体信息不详,,,,
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