fix：UI对齐demo

lib/features/profile/presentation/profile_page.dart

@@ -6,6 +6,7 @@ import 'package:url_launcher/url_launcher_string.dart';
 
 import '../../../common/config/app_h5_urls.dart';
 import '../../../common/router/app_router.dart';
+import '../../../common/widgets/app_toast.dart';
 import '../../../common/widgets/prototype_ui.dart';
 import '../../auth/application/auth_controller.dart';
 import '../../auth/data/auth_models.dart';
@@ -140,14 +141,7 @@ class ProfilePage extends ConsumerWidget {
                         backgroundColor: const Color(0xFFEAF2ED),
                         iconColor: const Color(0xFF5E8E75),
                       ),
-                    ],
-                  ),
-                ),
-                const SizedBox(height: 12),
-                PrototypeCard(
-                  padding: EdgeInsets.zero,
-                  child: Column(
-                    children: [
+                      const PrototypeDivider(margin: EdgeInsets.zero),
                       _SettingRow(
                         icon: Icons.grid_view_outlined,
                         title: '添加桌面小组件',
@@ -156,7 +150,14 @@ class ProfilePage extends ConsumerWidget {
                         backgroundColor: const Color(0xFFF6ECD6),
                         iconColor: const Color(0xFFB5862A),
                       ),
-                      const PrototypeDivider(margin: EdgeInsets.zero),
+                    ],
+                  ),
+                ),
+                const SizedBox(height: 12),
+                PrototypeCard(
+                  padding: EdgeInsets.zero,
+                  child: Column(
+                    children: [
                       _SettingRow(
                         icon: Icons.tune_outlined,
                         title: '纯度系数管理',
@@ -180,7 +181,17 @@ class ProfilePage extends ConsumerWidget {
                         icon: Icons.palette_outlined,
                         title: '涨跌颜色',
                         trailing: settings.priceColorMode.label,
-                        onTap: () => _showPriceColorSheet(context, ref),
+                        onTap: () {
+                          final nextMode =
+                              settings.priceColorMode ==
+                                  PriceColorMode.redUpGreenDown
+                              ? PriceColorMode.greenUpRedDown
+                              : PriceColorMode.redUpGreenDown;
+                          ref
+                              .read(profileSettingsControllerProvider.notifier)
+                              .setPriceColorMode(nextMode);
+                          _toast(context, '已切换为「${nextMode.label}」');
+                        },
                         backgroundColor: const Color(0xFFE9F3F1),
                         iconColor: const Color(0xFF4E8B7B),
                       ),
@@ -189,7 +200,7 @@ class ProfilePage extends ConsumerWidget {
                         icon: Icons.currency_yen_outlined,
                         title: '显示币种',
                         trailing: '¥ CNY',
-                        onTap: () => _showCurrencySheet(context),
+                        onTap: () => _toast(context, '当前仅支持 ¥ CNY'),
                         backgroundColor: const Color(0xFFF1EFE9),
                         iconColor: const Color(0xFF7F7A73),
                       ),
@@ -293,10 +304,6 @@ class ProfilePage extends ConsumerWidget {
     context.push(AppRoutes.profileWidget);
   }
 
-  Future<void> _showPriceColorSheet(BuildContext context, WidgetRef ref) async {
-    context.push(AppRoutes.profilePriceColor);
-  }
-
   Future<void> _showPuritySheet(
     BuildContext context,
     ProfileSettings settings,
@@ -311,15 +318,15 @@ class ProfilePage extends ConsumerWidget {
     context.push(AppRoutes.profileRecycle);
   }
 
-  Future<void> _showCurrencySheet(BuildContext context) async {
-    context.push(AppRoutes.profileCurrency);
-  }
-
   void _showAbout(BuildContext context) {
     context.push(AppRoutes.profileAbout);
   }
 }
 
+void _toast(BuildContext context, String message) {
+  toastInfo(msg: message);
+}
+
 class _MenuRow extends StatelessWidget {
   const _MenuRow({
     required this.title,