refactor(ui): [UI8] 彻底移除遗留Card并补充下拉框中文化

client/src/pages/MobileCapturePage.tsx

@@ -7,7 +7,6 @@ import { isApiError } from "../api/types";
 import { PageHeader } from "../components/common/PageHeader";
 import { Button } from "../components/ui/button";
 import { Spinner } from "../components/ui/spinner";
-import { Card } from "../components/ui/card";
 import {
   enqueueInvoiceUpload,
   listQueuedInvoiceUploads,
@@ -140,7 +139,7 @@ export function MobileCapturePage() {
         <p className="rounded-lg border border-emerald-200 bg-emerald-50 px-3 py-2 text-sm text-emerald-700">{message}</p>
       ) : null}
 
-      <Card className="space-y-3 p-4">
+      <div className="card-std space-y-3 p-4">
         <div className="flex items-center justify-between">
           <h3 className="text-base font-semibold text-zinc-900">拍照/选择文件</h3>
           <span className={isOnline ? "text-emerald-600" : "text-orange-600"}>
@@ -212,9 +211,9 @@ export function MobileCapturePage() {
             {syncMutation.isPending ? "同步中..." : "同步队列"}
           </Button>
         </div>
-      </Card>
+      </div>
 
-      <Card className="space-y-3 p-4" data-testid="mobile-capture-queue">
+      <div className="card-std space-y-3 p-4" data-testid="mobile-capture-queue">
         <div className="flex items-center justify-between">
           <h3 className="text-base font-semibold text-zinc-900">离线上传队列</h3>
           <span className="text-sm text-zinc-500">{queuedCountLabel}</span>
@@ -246,7 +245,7 @@ export function MobileCapturePage() {
             </div>
           </div>
         ))}
-      </Card>
+      </div>
     </div>
   );
 }