feat: 新增验收测试清单(199项24域)替代功能调查问卷; 修复工作台评分环文字重叠

- 新增 acceptance-test.html 交互式验收测试页面(验收人姓名/自动补全/自动统计/CSV+Excel下载)
- 新增 AcceptanceTestModal 组件, TopNav 中用验收测试弹窗替代 SurveyModal
- Settings 页问卷导出替换为验收测试结果导出(支持多验收人汇总MD)
- 修复 Dashboard 合规健康度评分环文字重叠: 圆环增大至w-32, 加overflow-hidden+truncate

frontend/src/components/AcceptanceTestModal.tsx

@@ -0,0 +1,57 @@
+import { useEffect, useState } from 'react'
+import { X } from 'lucide-react'
+
+/**
+ * 验收测试弹窗 — 全屏加载 acceptance-test.html，支持验收人姓名、自动统计、按姓名保存、下载结果
+ */
+export default function AcceptanceTestModal({ open, onClose }: { open: boolean; onClose: () => void }) {
+  const [show, setShow] = useState(false)
+
+  useEffect(() => {
+    if (open) {
+      document.body.style.overflow = 'hidden'
+      requestAnimationFrame(() => setShow(true))
+    } else {
+      document.body.style.overflow = ''
+      setShow(false)
+    }
+    return () => {
+      document.body.style.overflow = ''
+    }
+  }, [open])
+
+  if (!open) return null
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center">
+      <div
+        className={`fixed inset-0 bg-black/50 transition-opacity duration-200 ${show ? 'opacity-100' : 'opacity-0'}`}
+        onClick={onClose}
+      />
+      <div
+        className={`relative bg-white rounded-lg shadow-xl w-full h-[95vh] transition-all duration-200 ${
+          show ? 'opacity-100 scale-100' : 'opacity-0 scale-95'
+        }`}
+      >
+        {/* 弹窗头部 */}
+        <div className="flex items-center justify-between px-4 py-2.5 border-b border-gray-200">
+          <h3 className="font-medium text-gray-900 text-sm">验收测试清单</h3>
+          <button
+            onClick={onClose}
+            className="text-gray-500 hover:text-gray-700 p-1 rounded-md hover:bg-gray-100 transition-colors"
+            aria-label="关闭"
+          >
+            <X className="w-4 h-4" />
+          </button>
+        </div>
+        {/* iframe 加载验收测试页面 */}
+        <iframe
+          src="/acceptance-test.html"
+          className="w-full"
+          style={{ height: 'calc(95vh - 42px)', border: 'none' }}
+          title="验收测试清单"
+        />
+      </div>
+    </div>
+  )
+}

frontend/src/components/layout/TopNav.tsx

@@ -7,7 +7,7 @@ import { dashboardApi } from '../../lib/api-services'
 import Breadcrumb from './Breadcrumb'
 import HelpModal from '../HelpModal'
 import PortalQRModal from '../PortalQRModal'
-import SurveyModal from '../SurveyModal'
+import AcceptanceTestModal from '../AcceptanceTestModal'
 
 export default function TopNav({ onMenuClick }: { onMenuClick?: () => void }) {
   const navigate = useNavigate()
@@ -15,7 +15,7 @@ export default function TopNav({ onMenuClick }: { onMenuClick?: () => void }) {
   const [menuOpen, setMenuOpen] = useState(false)
   const [helpOpen, setHelpOpen] = useState(false)
   const [portalQROpen, setPortalQROpen] = useState(false)
-  const [surveyOpen, setSurveyOpen] = useState(false)
+  const [acceptanceOpen, setAcceptanceOpen] = useState(false)
 
   const { data: dashboardData } = useQuery<any>({
     queryKey: ['dashboard'],
@@ -58,13 +58,13 @@ export default function TopNav({ onMenuClick }: { onMenuClick?: () => void }) {
           </button>
           <HelpModal open={helpOpen} onClose={() => setHelpOpen(false)} />
           <button
-            onClick={() => setSurveyOpen(true)}
+            onClick={() => setAcceptanceOpen(true)}
             className="p-1.5 rounded-md hover:bg-gray-100"
-            aria-label="功能调查"
+            aria-label="验收测试"
           >
             <ClipboardList className="w-4 h-4 text-gray-600" />
           </button>
-          <SurveyModal open={surveyOpen} onClose={() => setSurveyOpen(false)} />
+          <AcceptanceTestModal open={acceptanceOpen} onClose={() => setAcceptanceOpen(false)} />
           <Link to="/settings" className="p-1.5 rounded-md hover:bg-gray-100" aria-label="设置">
             <SettingsIcon className="w-4 h-4 text-gray-600" />
           </Link>