feat: Sprint 1 — 设计Token系统 + 新导航5分组 + AppShell/PageHeader/FilterBar/DataTable组件 + 花名册导出扩充19字段 + 社保/公积金不缴纳选项 + 个税申报表导出 + 入离职/绩效统计看板

frontend/tailwind.config.ts

@@ -6,18 +6,82 @@ export default {
   theme: {
     extend: {
       colors: {
-        primary: {
-          DEFAULT: '#4F46E5',
-          light: '#6366F1',
-          dark: '#4338CA',
+        // 品牌色 — 暖红橙，可信温暖
+        brand: {
+          50: '#FBF0EE',
+          100: '#F5D9D4',
+          200: '#EBB3A9',
+          300: '#E08D7E',
+          400: '#D66853',
+          500: '#C7442E',
+          600: '#C7442E',
+          700: '#A93625',
+          800: '#8B2B1E',
+          900: '#6D2118',
         },
-        danger: '#DC2626',
-        warning: '#F59E0B',
-        safe: '#16A34A',
-        surface: '#F8FAFC',
+        // 兼容旧 primary 引用，指向 brand-600
+        primary: {
+          DEFAULT: '#C7442E',
+          light: '#D66853',
+          dark: '#A93625',
+        },
+        // 文字色
+        ink: {
+          900: '#202622',
+          700: '#3A4239',
+          600: '#59615C',
+          500: '#7A8278',
+          400: '#9CA39B',
+        },
+        // 表面色
+        surface: {
+          page: '#F7F8F6',
+          card: '#FFFFFF',
+          muted: '#F0F2EF',
+        },
+        // 状态色
+        success: {
+          DEFAULT: '#237A57',
+          light: '#3A9B72',
+          bg: '#E6F4ED',
+        },
+        warning: {
+          DEFAULT: '#A76113',
+          light: '#C98A30',
+          bg: '#FBF0E0',
+        },
+        danger: {
+          DEFAULT: '#B83232',
+          light: '#D94848',
+          bg: '#FCEAEA',
+        },
+        info: {
+          DEFAULT: '#356A8A',
+          light: '#4F8AAB',
+          bg: '#E8F0F5',
+        },
+        // 边框
+        border: {
+          DEFAULT: '#DDE1DD',
+          strong: '#C4C9C4',
+          subtle: '#ECEEEC',
+        },
+      },
+      fontFamily: {
+        sans: ['Inter', '"Noto Sans SC"', '"PingFang SC"', '"Microsoft YaHei"', 'sans-serif'],
+      },
+      fontSize: {
+        // 使用 tabular-nums 对齐数字
+        'kpi': ['28px', { lineHeight: '36px', fontWeight: '600' }],
       },
       maxWidth: {
-        content: '1280px',
+        content: '1440px',
+      },
+      borderRadius: {
+        card: '8px',
+      },
+      spacing: {
+        '18': '72px',
       },
     },
   },