feat(flutter): 应用浅色暖橙视觉主题

lib/pages/settings/settings_page.dart

@@ -22,7 +22,7 @@ class SettingsPage extends StatelessWidget {
     final l10n = AppLocalizations.of(context)!;
     final auth = context.watch<AuthController>();
     return Theme(
-      data: AppTheme.dark(),
+      data: AppTheme.light(),
       child: Scaffold(
         key: const Key('settings-page'),
         backgroundColor: AppColors.ink,