diff --git a/frontend/mining-app/lib/main.dart b/frontend/mining-app/lib/main.dart
index 200bf33a..8be45fe3 100644
--- a/frontend/mining-app/lib/main.dart
+++ b/frontend/mining-app/lib/main.dart
@@ -7,6 +7,7 @@ import 'core/constants/app_colors.dart';
 import 'core/network/api_client.dart';
 import 'core/router/routes.dart';
 import 'presentation/providers/user_providers.dart';
+import 'presentation/providers/settings_providers.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -46,10 +47,12 @@ class _MiningAppState extends ConsumerState<MiningApp> {
   @override
   Widget build(BuildContext context) {
     final router = ref.watch(appRouterProvider);
+    final themeMode = ref.watch(themeModeProvider);
 
     return MaterialApp.router(
       title: '股行',
       debugShowCheckedModeBanner: false,
+      themeMode: themeMode,
       theme: ThemeData(
         colorScheme: ColorScheme.fromSeed(
           seedColor: AppColors.primary,
@@ -67,6 +70,23 @@ class _MiningAppState extends ConsumerState<MiningApp> {
           ),
         ),
       ),
+      darkTheme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(
+          seedColor: AppColors.primary,
+          brightness: Brightness.dark,
+        ),
+        useMaterial3: true,
+        appBarTheme: const AppBarTheme(
+          centerTitle: true,
+          elevation: 0,
+        ),
+        cardTheme: const CardThemeData(
+          elevation: 2,
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.all(Radius.circular(12)),
+          ),
+        ),
+      ),
       routerConfig: router,
     );
   }
diff --git a/frontend/mining-app/lib/presentation/pages/profile/mining_records_page.dart b/frontend/mining-app/lib/presentation/pages/profile/mining_records_page.dart
index 8e9c63fa..b5410db7 100644
--- a/frontend/mining-app/lib/presentation/pages/profile/mining_records_page.dart
+++ b/frontend/mining-app/lib/presentation/pages/profile/mining_records_page.dart
@@ -239,9 +239,13 @@ class _MiningRecordsListPageState extends ConsumerState<MiningRecordsListPage> {
           // 第二行：贡献值占比 + 价格快照
           Row(
             children: [
-              _buildInfoItem('贡献值占比', _formatPercent(record.contributionRatio)),
-              const SizedBox(width: 24),
-              _buildInfoItem('价格快照', _formatPrice(record.priceSnapshot)),
+              Expanded(
+                child: _buildInfoItem('贡献值占比', _formatPercent(record.contributionRatio)),
+              ),
+              const SizedBox(width: 16),
+              Expanded(
+                child: _buildInfoItem('价格快照', _formatPrice(record.priceSnapshot)),
+              ),
             ],
           ),
           const SizedBox(height: 8),
@@ -270,13 +274,16 @@ class _MiningRecordsListPageState extends ConsumerState<MiningRecordsListPage> {
           '$label: ',
           style: TextStyle(fontSize: 12, color: _grayText.withOpacity(0.7)),
         ),
-        Text(
-          value,
-          style: const TextStyle(
-            fontSize: 12,
-            color: _darkText,
-            fontWeight: FontWeight.w500,
-            fontFamily: 'monospace',
+        Flexible(
+          child: Text(
+            value,
+            style: const TextStyle(
+              fontSize: 12,
+              color: _darkText,
+              fontWeight: FontWeight.w500,
+              fontFamily: 'monospace',
+            ),
+            overflow: TextOverflow.ellipsis,
           ),
         ),
       ],
diff --git a/frontend/mining-app/lib/presentation/pages/profile/profile_page.dart b/frontend/mining-app/lib/presentation/pages/profile/profile_page.dart
index fb7d0def..1c1b709b 100644
--- a/frontend/mining-app/lib/presentation/pages/profile/profile_page.dart
+++ b/frontend/mining-app/lib/presentation/pages/profile/profile_page.dart
@@ -10,13 +10,9 @@ import '../../widgets/shimmer_loading.dart';
 class ProfilePage extends ConsumerWidget {
   const ProfilePage({super.key});
 
-  // 设计色彩
+  // 品牌色彩（不随主题变化）
   static const Color _orange = Color(0xFFFF6B00);
   static const Color _green = Color(0xFF10B981);
-  static const Color _darkText = Color(0xFF1F2937);
-  static const Color _grayText = Color(0xFF6B7280);
-  static const Color _lightGray = Color(0xFF9CA3AF);
-  static const Color _bgGray = Color(0xFFF3F4F6);
   static const Color _red = Color(0xFFEF4444);
 
   // 预设头像颜色列表（与编辑页面保持一致）
@@ -35,12 +31,13 @@ class ProfilePage extends ConsumerWidget {
   Widget build(BuildContext context, WidgetRef ref) {
     final user = ref.watch(userNotifierProvider);
     final statsAsync = ref.watch(userStatsProvider);
+    final colorScheme = Theme.of(context).colorScheme;
 
     final isStatsLoading = statsAsync.isLoading;
     final stats = statsAsync.valueOrNull;
 
     return Scaffold(
-      backgroundColor: _bgGray,
+      backgroundColor: colorScheme.surfaceContainerHighest,
       body: SafeArea(
         bottom: false,
         child: RefreshIndicator(
@@ -53,46 +50,46 @@ class ProfilePage extends ConsumerWidget {
             child: Column(
               children: [
                 // 用户头部信息
-                _buildUserHeader(context, user),
+                _buildUserHeader(context, user, colorScheme),
 
                 const SizedBox(height: 16),
 
                 // 统计数据行
-                _buildStatsRow(stats, isStatsLoading),
+                _buildStatsRow(context, stats, isStatsLoading, colorScheme),
 
                 const SizedBox(height: 16),
 
                 // 账户设置
-                _buildAccountSettings(context, user),
+                _buildAccountSettings(context, user, colorScheme),
 
                 const SizedBox(height: 16),
 
                 // 记录入口
-                _buildRecordsSection(context),
+                _buildRecordsSection(context, colorScheme),
 
                 const SizedBox(height: 16),
 
                 // 团队与收益
-                _buildTeamEarningsSection(context),
+                _buildTeamEarningsSection(context, colorScheme),
 
                 const SizedBox(height: 16),
 
                 // 其他设置
-                _buildOtherSettings(context, ref),
+                _buildOtherSettings(context, ref, colorScheme),
 
                 const SizedBox(height: 24),
 
                 // 退出登录
-                _buildLogoutButton(context, ref),
+                _buildLogoutButton(context, ref, colorScheme),
 
                 const SizedBox(height: 16),
 
                 // 版本信息
-                const Text(
+                Text(
                   'Version 1.0.0',
                   style: TextStyle(
                     fontSize: 12,
-                    color: _lightGray,
+                    color: colorScheme.outline,
                   ),
                 ),
 
@@ -105,12 +102,12 @@ class ProfilePage extends ConsumerWidget {
     );
   }
 
-  Widget _buildUserHeader(BuildContext context, UserState user) {
+  Widget _buildUserHeader(BuildContext context, UserState user, ColorScheme colorScheme) {
     final avatarColor = _avatarColors[user.avatarIndex % _avatarColors.length];
 
     return Container(
       padding: const EdgeInsets.all(20),
-      color: Colors.white,
+      color: colorScheme.surface,
       child: Row(
         children: [
           // 头像（可点击）
@@ -157,10 +154,10 @@ class ProfilePage extends ConsumerWidget {
                       user.nickname?.isNotEmpty == true
                           ? user.nickname!
                           : (user.realName ?? '股行用户'),
-                      style: const TextStyle(
+                      style: TextStyle(
                         fontSize: 20,
                         fontWeight: FontWeight.bold,
-                        color: _darkText,
+                        color: colorScheme.onSurface,
                       ),
                     ),
                     const SizedBox(width: 8),
@@ -198,9 +195,9 @@ class ProfilePage extends ConsumerWidget {
                 if (user.phone != null)
                   Text(
                     'ID: ${user.phone}',
-                    style: const TextStyle(
+                    style: TextStyle(
                       fontSize: 14,
-                      color: _grayText,
+                      color: colorScheme.onSurfaceVariant,
                     ),
                   ),
               ],
@@ -210,9 +207,9 @@ class ProfilePage extends ConsumerWidget {
           // 编辑按钮
           IconButton(
             onPressed: () => context.push(Routes.editProfile),
-            icon: const Icon(
+            icon: Icon(
               Icons.edit_outlined,
-              color: _grayText,
+              color: colorScheme.onSurfaceVariant,
             ),
           ),
         ],
@@ -220,10 +217,10 @@ class ProfilePage extends ConsumerWidget {
     );
   }
 
-  Widget _buildStatsRow(UserStats? stats, bool isLoading) {
+  Widget _buildStatsRow(BuildContext context, UserStats? stats, bool isLoading, ColorScheme colorScheme) {
     return Container(
       padding: const EdgeInsets.symmetric(vertical: 16),
-      color: Colors.white,
+      color: colorScheme.surface,
       child: Row(
         mainAxisAlignment: MainAxisAlignment.spaceEvenly,
         children: [
@@ -231,81 +228,85 @@ class ProfilePage extends ConsumerWidget {
             '参与状态',
             stats?.hasAdopted == true ? '已参与' : '未参与',
             isLoading,
+            colorScheme,
           ),
-          _buildDivider(),
+          _buildDivider(colorScheme),
           _buildStatItem(
             '引荐人数',
             stats?.directReferralAdoptedCount.toString() ?? '0',
             isLoading,
+            colorScheme,
           ),
-          _buildDivider(),
+          _buildDivider(colorScheme),
           _buildStatItem(
             '团队下贡献值',
             stats?.unlockedLevelDepth.toString() ?? '0',
             isLoading,
+            colorScheme,
           ),
-          _buildDivider(),
+          _buildDivider(colorScheme),
           _buildStatItem(
             '团队上贡献值',
             '15',
             isLoading,
+            colorScheme,
           ),
         ],
       ),
     );
   }
 
-  Widget _buildStatItem(String label, String value, bool isLoading) {
+  Widget _buildStatItem(String label, String value, bool isLoading, ColorScheme colorScheme) {
     return Column(
       children: [
         DataText(
           data: isLoading ? null : value,
           isLoading: isLoading,
           placeholder: '--',
-          style: const TextStyle(
+          style: TextStyle(
             fontSize: 20,
             fontWeight: FontWeight.bold,
-            color: _darkText,
+            color: colorScheme.onSurface,
           ),
         ),
         const SizedBox(height: 4),
         Text(
           label,
-          style: const TextStyle(
+          style: TextStyle(
             fontSize: 12,
-            color: _grayText,
+            color: colorScheme.onSurfaceVariant,
           ),
         ),
       ],
     );
   }
 
-  Widget _buildDivider() {
+  Widget _buildDivider(ColorScheme colorScheme) {
     return Container(
       width: 1,
       height: 30,
-      color: _bgGray,
+      color: colorScheme.outlineVariant,
     );
   }
 
-  Widget _buildAccountSettings(BuildContext context, UserState user) {
+  Widget _buildAccountSettings(BuildContext context, UserState user, ColorScheme colorScheme) {
     return Container(
       margin: const EdgeInsets.symmetric(horizontal: 16),
       decoration: BoxDecoration(
-        color: Colors.white,
+        color: colorScheme.surface,
         borderRadius: BorderRadius.circular(12),
       ),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          const Padding(
-            padding: EdgeInsets.fromLTRB(16, 16, 16, 8),
+          Padding(
+            padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
             child: Text(
               '账户设置',
               style: TextStyle(
                 fontSize: 16,
                 fontWeight: FontWeight.bold,
-                color: _darkText,
+                color: colorScheme.onSurface,
               ),
             ),
           ),
@@ -314,6 +315,7 @@ class ProfilePage extends ConsumerWidget {
             label: '账户安全',
             onTap: () => context.push(Routes.changePassword),
             showDivider: false,
+            colorScheme: colorScheme,
           ),
         ],
       ),
@@ -326,16 +328,17 @@ class ProfilePage extends ConsumerWidget {
     Widget? trailing,
     required VoidCallback onTap,
     bool showDivider = true,
+    required ColorScheme colorScheme,
   }) {
     return Column(
       children: [
         ListTile(
-          leading: Icon(icon, color: _grayText, size: 22),
+          leading: Icon(icon, color: colorScheme.onSurfaceVariant, size: 22),
           title: Text(
             label,
-            style: const TextStyle(
+            style: TextStyle(
               fontSize: 14,
-              color: _darkText,
+              color: colorScheme.onSurface,
             ),
           ),
           trailing: Row(
@@ -343,7 +346,7 @@ class ProfilePage extends ConsumerWidget {
             children: [
               if (trailing != null) trailing,
               if (trailing != null) const SizedBox(width: 8),
-              const Icon(Icons.chevron_right, color: _lightGray, size: 20),
+              Icon(Icons.chevron_right, color: colorScheme.outline, size: 20),
             ],
           ),
           onTap: onTap,
@@ -354,23 +357,23 @@ class ProfilePage extends ConsumerWidget {
     );
   }
 
-  Widget _buildRecordsSection(BuildContext context) {
+  Widget _buildRecordsSection(BuildContext context, ColorScheme colorScheme) {
     return Container(
       margin: const EdgeInsets.symmetric(horizontal: 16),
       padding: const EdgeInsets.all(16),
       decoration: BoxDecoration(
-        color: Colors.white,
+        color: colorScheme.surface,
         borderRadius: BorderRadius.circular(12),
       ),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          const Text(
+          Text(
             '我的记录',
             style: TextStyle(
               fontSize: 16,
               fontWeight: FontWeight.bold,
-              color: _darkText,
+              color: colorScheme.onSurface,
             ),
           ),
           const SizedBox(height: 16),
@@ -381,16 +384,19 @@ class ProfilePage extends ConsumerWidget {
                 icon: Icons.eco,
                 label: '参与记录',
                 onTap: () => context.push(Routes.plantingRecords),
+                colorScheme: colorScheme,
               ),
               _buildRecordIcon(
                 icon: Icons.assignment,
                 label: '分配记录',
                 onTap: () => context.push(Routes.miningRecords),
+                colorScheme: colorScheme,
               ),
               _buildRecordIcon(
                 icon: Icons.receipt_long,
                 label: '交易记录',
                 onTap: () => context.push(Routes.tradingRecords),
+                colorScheme: colorScheme,
               ),
             ],
           ),
@@ -403,6 +409,7 @@ class ProfilePage extends ConsumerWidget {
     required IconData icon,
     required String label,
     required VoidCallback onTap,
+    required ColorScheme colorScheme,
   }) {
     return GestureDetector(
       onTap: onTap,
@@ -421,9 +428,9 @@ class ProfilePage extends ConsumerWidget {
           const SizedBox(height: 8),
           Text(
             label,
-            style: const TextStyle(
+            style: TextStyle(
               fontSize: 12,
-              color: _grayText,
+              color: colorScheme.onSurfaceVariant,
             ),
           ),
         ],
@@ -431,24 +438,24 @@ class ProfilePage extends ConsumerWidget {
     );
   }
 
-  Widget _buildTeamEarningsSection(BuildContext context) {
+  Widget _buildTeamEarningsSection(BuildContext context, ColorScheme colorScheme) {
     return Container(
       margin: const EdgeInsets.symmetric(horizontal: 16),
       decoration: BoxDecoration(
-        color: Colors.white,
+        color: colorScheme.surface,
         borderRadius: BorderRadius.circular(12),
       ),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          const Padding(
-            padding: EdgeInsets.fromLTRB(16, 16, 16, 8),
+          Padding(
+            padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
             child: Text(
               '团队与收益',
               style: TextStyle(
                 fontSize: 16,
                 fontWeight: FontWeight.bold,
-                color: _darkText,
+                color: colorScheme.onSurface,
               ),
             ),
           ),
@@ -457,33 +464,34 @@ class ProfilePage extends ConsumerWidget {
             label: '我的团队',
             onTap: () => context.push(Routes.myTeam),
             showDivider: false,
+            colorScheme: colorScheme,
           ),
         ],
       ),
     );
   }
 
-  Widget _buildOtherSettings(BuildContext context, WidgetRef ref) {
+  Widget _buildOtherSettings(BuildContext context, WidgetRef ref, ColorScheme colorScheme) {
     final notificationsEnabled = ref.watch(notificationsEnabledProvider);
     final darkModeEnabled = ref.watch(darkModeEnabledProvider);
 
     return Container(
       margin: const EdgeInsets.symmetric(horizontal: 16),
       decoration: BoxDecoration(
-        color: Colors.white,
+        color: colorScheme.surface,
         borderRadius: BorderRadius.circular(12),
       ),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          const Padding(
-            padding: EdgeInsets.fromLTRB(16, 16, 16, 8),
+          Padding(
+            padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
             child: Text(
               '其他设置',
               style: TextStyle(
                 fontSize: 16,
                 fontWeight: FontWeight.bold,
-                color: _darkText,
+                color: colorScheme.onSurface,
               ),
             ),
           ),
@@ -494,6 +502,7 @@ class ProfilePage extends ConsumerWidget {
             onChanged: (value) {
               ref.read(notificationsEnabledProvider.notifier).setEnabled(value);
             },
+            colorScheme: colorScheme,
           ),
           _buildSwitchItem(
             icon: Icons.dark_mode_outlined,
@@ -502,17 +511,20 @@ class ProfilePage extends ConsumerWidget {
             onChanged: (value) {
               ref.read(darkModeEnabledProvider.notifier).setEnabled(value);
             },
+            colorScheme: colorScheme,
           ),
           _buildSettingItem(
             icon: Icons.help_outline,
             label: '帮助中心',
             onTap: () => context.push(Routes.helpCenter),
+            colorScheme: colorScheme,
           ),
           _buildSettingItem(
             icon: Icons.info_outline,
             label: '关于我们',
             onTap: () => context.push(Routes.about),
             showDivider: false,
+            colorScheme: colorScheme,
           ),
         ],
       ),
@@ -524,16 +536,17 @@ class ProfilePage extends ConsumerWidget {
     required String label,
     required bool value,
     required ValueChanged<bool> onChanged,
+    required ColorScheme colorScheme,
   }) {
     return Column(
       children: [
         ListTile(
-          leading: Icon(icon, color: _grayText, size: 22),
+          leading: Icon(icon, color: colorScheme.onSurfaceVariant, size: 22),
           title: Text(
             label,
-            style: const TextStyle(
+            style: TextStyle(
               fontSize: 14,
-              color: _darkText,
+              color: colorScheme.onSurface,
             ),
           ),
           trailing: Switch(
@@ -548,7 +561,7 @@ class ProfilePage extends ConsumerWidget {
     );
   }
 
-  Widget _buildLogoutButton(BuildContext context, WidgetRef ref) {
+  Widget _buildLogoutButton(BuildContext context, WidgetRef ref, ColorScheme colorScheme) {
     return Padding(
       padding: const EdgeInsets.symmetric(horizontal: 16),
       child: SizedBox(
@@ -580,7 +593,7 @@ class ProfilePage extends ConsumerWidget {
             );
           },
           style: TextButton.styleFrom(
-            backgroundColor: Colors.white,
+            backgroundColor: colorScheme.surface,
             padding: const EdgeInsets.symmetric(vertical: 14),
             shape: RoundedRectangleBorder(
               borderRadius: BorderRadius.circular(12),