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

client/src/pages/ChangePasswordPage.tsx

@@ -4,7 +4,6 @@ import { isApiError } from "../api/types";
 import { mapApiErrorMessage } from "../api/errorMessages";
 import { useAuth } from "../auth/AuthContext";
 import { Button } from "../components/ui/button";
-import { Card } from "../components/ui/card";
 import { Input } from "../components/ui/input";
 import { Label } from "../components/ui/label";
 
@@ -43,7 +42,7 @@ export function ChangePasswordPage() {
   }
 
   return (
-    <Card className="space-y-6 border-primary-100 p-6">
+    <div className="card-std space-y-6 border-primary-100 p-6">
       <div className="mb-6 space-y-2">
         <p className="text-xs font-semibold uppercase tracking-wide text-primary">hyb-oa</p>
         <h1 className="text-2xl font-bold text-zinc-900">修改密码</h1>
@@ -109,7 +108,7 @@ export function ChangePasswordPage() {
           {submitting ? "提交中..." : "确认修改"}
         </Button>
       </form>
-    </Card>
+    </div>
   );
 }