refactor(ui): 深度翻新仪表盘与边缘配置页的骨架与组件

client/src/pages/FeatureFlagsPage.tsx

@@ -14,7 +14,6 @@ import { isApiError } from "../api/types";
 import { PageHeader } from "../components/common/PageHeader";
 import { TableSkeleton } from "../components/common/TableSkeleton";
 import { Button } from "../components/ui/button";
-import { Card } from "../components/ui/card";
 import { Label } from "../components/ui/label";
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "../components/ui/table";
 
@@ -139,7 +138,7 @@ export function FeatureFlagsPage() {
         <p className="rounded-lg border border-red-200 bg-red-50 px-3 py-2 text-sm text-red-600">{error}</p>
       ) : null}
 
-      <Card className="space-y-4 p-6">
+      <div className="card-std space-y-4">
         <h3 className="text-base font-semibold text-zinc-900">开关列表</h3>
 
         {flagsQuery.isLoading ? <TableSkeleton columns={6} rows={2} /> : null}
@@ -346,7 +345,7 @@ export function FeatureFlagsPage() {
             </Table>
           </div>
         ) : null}
-      </Card>
+      </div>
     </div>
   );
 }