统一弹窗风格：Material Design 3 规范，消除颜色不一致

- 所有 AlertDialog 替换为 ModernDialog
- ConfirmDialog/AssetDialogs 去掉 GlassPanel，统一 surfaceContainer 背景
- 按钮统一 FilledButton + TextButton
- 修复 import 路径

flutter_monisuo/lib/ui/pages/mine/components/menu_group1.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:lucide_icons_flutter/lucide_icons.dart';
 import '../kyc_page.dart';
 import '../welfare_center_page.dart';
+import '../../../shared/modern_dialog.dart';
 import 'menu_group_container.dart';
 import 'menu_row.dart';
 import 'menu_trailing_widgets.dart';
@@ -74,17 +75,10 @@ class MenuGroup1 extends StatelessWidget {
 }
 
 void _showKycStatusDialog(BuildContext context) {
-  showDialog(
+  ModernDialog.info(
     context: context,
-    builder: (ctx) => AlertDialog(
-      title: const Text('實名認證'),
-      content: const Text('您的實名認證已通過'),
-      actions: [
-        TextButton(
-          onPressed: () => Navigator.of(ctx).pop(),
-          child: const Text('確定'),
-        ),
-      ],
-    ),
+    title: '實名認證',
+    description: '您的實名認證已通過',
+    buttonText: '確定',
   );
 }