docs: 删除过时的功能规格文档

feat(ui): 重构资产页面UI，移除shadcn_ui依赖并简化设计

- 删除三个过时的功能规格文档（apply-new-styles.md、bottom-nav-labels.md、theme-dynamic-colors.md）
- 重构充值页面(deposit_page.dart)：移除shadcn_ui依赖，简化表单验证和UI设计，使用动态主题颜色
- 重构划转页面(transfer_page.dart)：移除复杂动画和shadcn_ui依赖，简化UI布局和交互逻辑
- 重构提现页面(withdraw_page.dart)：移除shadcn_ui依赖，简化表单验证和网络选择器
- 重构我的页面相关组件：统一使用动态主题颜色，简化菜单项设计和KYC状态显示
- 所有页面现在使用Theme.of(context)获取动态颜色，支持明暗主题切换
- 移除硬编码的颜色引用，提高代码可维护性和主题一致性

flutter_monisuo/lib/ui/pages/mine/mine_page.dart

@@ -1,19 +1,16 @@
 import 'package:flutter/material.dart';
-import 'package:shadcn_ui/shadcn_ui.dart';
 import 'package:provider/provider.dart';
-import '../../../core/theme/app_color_scheme.dart';
-import '../../../core/theme/app_spacing.dart';
 import '../../../core/theme/app_theme.dart';
+import '../../../core/theme/app_spacing.dart';
 import '../../../providers/auth_provider.dart';
 import '../auth/login_page.dart';
-import 'components/about_dialog_helpers.dart';
 import 'components/avatar_circle.dart';
 import 'components/logout_button.dart';
 import 'components/menu_group1.dart';
 import 'components/menu_group2.dart';
 import 'components/profile_card.dart';
 
-/// 我的頁面 - 匹配 .pen 設計稿
+/// 我的页面
 class MinePage extends StatefulWidget {
   const MinePage({super.key});
 
@@ -32,7 +29,7 @@ class _MinePageState extends State<MinePage>
     final colorScheme = Theme.of(context).colorScheme;
 
     return Scaffold(
-      backgroundColor: colorScheme.background,
+      backgroundColor: colorScheme.surface,
       body: Consumer<AuthProvider>(
         builder: (context, auth, _) {
           return SingleChildScrollView(
@@ -55,12 +52,6 @@ class _MinePageState extends State<MinePage>
                 SizedBox(height: AppSpacing.lg),
                 LogoutButton(onLogout: () => _handleLogout(auth)),
                 SizedBox(height: AppSpacing.md),
-                Text(
-                  'System Build v1.0.0',
-                  style: AppTextStyles.bodySmall(context).copyWith(
-                    color: colorScheme.onSurfaceVariant.withOpacity(0.5),
-                  ),
-                ),
               ],
             ),
           );
@@ -70,21 +61,15 @@ class _MinePageState extends State<MinePage>
   }
 
   void _showComingSoon(String feature) {
-    showShadDialog(
+    showDialog(
       context: context,
-      builder: (context) => ShadDialog.alert(
-        title: Row(
-          children: [
-            Icon(Icons.construction, color: AppColorScheme.warning, size: 20),
-            SizedBox(width: AppSpacing.sm),
-            const Text('功能開發中'),
-          ],
-        ),
-        description: Text('$feature功能正在開發中，敬請期待~'),
+      builder: (ctx) => AlertDialog(
+        title: const Text('功能開發中'),
+        content: Text('$feature功能正在開發中，敬請期待'),
         actions: [
-          ShadButton(
+          TextButton(
+            onPressed: () => Navigator.of(ctx).pop(),
             child: const Text('知道了'),
-            onPressed: () => Navigator.of(context).pop(),
           ),
         ],
       ),
@@ -92,37 +77,29 @@ class _MinePageState extends State<MinePage>
   }
 
   void _showAboutDialog() {
-    final colorScheme = Theme.of(context).colorScheme;
-    showShadDialog(
+    showDialog(
       context: context,
-      builder: (context) => ShadDialog(
+      builder: (ctx) => AlertDialog(
         title: Row(
           children: [
-            AvatarCircle(radius: 20, fontSize: 16),
-            SizedBox(width: AppSpacing.sm + AppSpacing.xs),
+            AvatarCircle(radius: 16, fontSize: 12),
+            const SizedBox(width: 8),
             const Text('模擬所'),
           ],
         ),
-        child: Column(
+        content: const Column(
           mainAxisSize: MainAxisSize.min,
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            Text(
-              '虛擬貨幣模擬交易平臺',
-              style: TextStyle(color: colorScheme.onSurfaceVariant),
-            ),
-            SizedBox(height: AppSpacing.md),
-            InfoRow(icon: Icons.code, text: '版本: 1.0.0'),
-            SizedBox(height: AppSpacing.sm),
-            InfoRow(
-                icon: Icons.favorite,
-                text: 'Built with Flutter & Material Design 3'),
+            Text('虛擬貨幣模擬交易平臺'),
+            SizedBox(height: 8),
+            Text('版本: 1.0.0'),
           ],
         ),
         actions: [
-          ShadButton(
-            child: const Text('確定'),
-            onPressed: () => Navigator.of(context).pop(),
+          TextButton(
+            onPressed: () => Navigator.of(ctx).pop(),
+            child: const Text('确定'),
           ),
         ],
       ),
@@ -130,18 +107,19 @@ class _MinePageState extends State<MinePage>
   }
 
   void _handleLogout(AuthProvider auth) {
-    showShadDialog(
+    final colorScheme = Theme.of(context).colorScheme;
+    showDialog(
       context: context,
-      builder: (ctx) => ShadDialog.alert(
-        title: const Text('確認退出'),
-        description: const Text('確定要退出登錄嗎？'),
+      builder: (ctx) => AlertDialog(
+        title: const Text('退出登錄'),
+        content: const Text('確定要退出登錄嗎？'),
         actions: [
-          ShadButton.outline(
-            child: const Text('取消'),
+          TextButton(
             onPressed: () => Navigator.of(ctx).pop(),
+            child: Text('取消',
+                style: TextStyle(color: colorScheme.onSurfaceVariant)),
           ),
-          ShadButton.destructive(
-            child: const Text('退出'),
+          TextButton(
             onPressed: () async {
               Navigator.of(ctx).pop();
               await auth.logout();
@@ -152,6 +130,8 @@ class _MinePageState extends State<MinePage>
                 );
               }
             },
+            child: Text('退出', style: TextStyle(color: colorScheme.error)),
+
           ),
         ],
       ),