style: 统一全站深色视觉

lib/pages/settings/settings_page.dart

@@ -7,6 +7,7 @@ import 'package:provider/provider.dart';
 
 import '../../core/data/services/auth_controller.dart';
 import '../../core/theme/app_colors.dart';
+import '../../core/theme/app_dimens.dart';
 import '../../core/theme/app_theme.dart';
 import '../../core/widgets/auth_gate.dart';
 import '../../core/widgets/plain_page_scaffold.dart';
@@ -47,7 +48,10 @@ class SettingsPage extends StatelessWidget {
   Widget _noticesTile(BuildContext context, AppLocalizations l10n) {
     return Material(
       color: AppColors.card,
-      borderRadius: BorderRadius.circular(14),
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(AppDimens.cardRadius),
+        side: const BorderSide(color: AppColors.border),
+      ),
       clipBehavior: Clip.antiAlias,
       child: ListTile(
         key: const Key('settings-notices'),