feat(flutter): 应用浅色暖橙视觉主题

lib/pages/home/home_view.dart

@@ -8,7 +8,6 @@ import 'package:provider/provider.dart';
 import '../../core/data/models/drama.dart';
 import '../../core/data/services/catalog_controller.dart';
 import '../../core/platform/haptics.dart';
-import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_theme.dart';
 import '../../core/widgets/app_bottom_nav.dart';
 import '../../core/widgets/empty_state.dart';
@@ -32,8 +31,11 @@ class HomePage extends StatelessWidget {
     if (!catalog.settled) return const SplashPage();
     final l10n = AppLocalizations.of(context)!;
     return Theme(
-      data: AppTheme.dark(),
-      child: _buildHome(context, catalog, l10n),
+      data: AppTheme.light(),
+      child: DecoratedBox(
+        decoration: const BoxDecoration(gradient: AppTheme.pageGradient),
+        child: _buildHome(context, catalog, l10n),
+      ),
     );
   }
 
@@ -44,19 +46,19 @@ class HomePage extends StatelessWidget {
   ) {
     if (catalog.loading) {
       return const Scaffold(
-        backgroundColor: AppColors.ink,
+        backgroundColor: Colors.transparent,
         body: Center(child: CircularProgressIndicator()),
       );
     }
     if (catalog.error != null) {
       return Scaffold(
-        backgroundColor: AppColors.ink,
+        backgroundColor: Colors.transparent,
         body: HomeFailureView(onRetry: catalog.load),
       );
     }
     if (catalog.dramas.isEmpty) {
       return Scaffold(
-        backgroundColor: AppColors.ink,
+        backgroundColor: Colors.transparent,
         body: EmptyState(
           key: const Key('home-empty'),
           icon: Icons.movie_outlined,
@@ -75,7 +77,7 @@ class HomePage extends StatelessWidget {
   }
 }
 
-/// Home catalog failure with a single recovery action.
+/// 首页目录加载失败与重试入口。
 class HomeFailureView extends StatelessWidget {
   const HomeFailureView({super.key, required this.onRetry});
 
@@ -93,7 +95,7 @@ class HomeFailureView extends StatelessWidget {
   }
 }
 
-/// The four primary destinations share a single route and keep their state.
+/// 四个根页面共享同一路由并保持各自状态。
 class _HomeTabs extends StatefulWidget {
   const _HomeTabs({super.key, required this.dramas});
 
@@ -136,7 +138,7 @@ class _HomeTabsState extends State<_HomeTabs> {
       },
       child: Scaffold(
         key: logic.scaffoldKey,
-        backgroundColor: AppColors.ink,
+        backgroundColor: Colors.transparent,
         body: _body(context),
         bottomNavigationBar: logic.videoImmersive ? null : _nav(context, l10n),
       ),
@@ -193,6 +195,10 @@ class _HomeTabsState extends State<_HomeTabs> {
   Widget _nav(BuildContext context, AppLocalizations l10n) {
     return AppBottomNav(
       barKey: const Key('home-tabs-bar'),
+      centerAction: AppBottomNavCenterAction(
+        label: l10n.createTab,
+        onTap: () => _selectTab(context, 2),
+      ),
       items: [
         _navItem(context, l10n, 0),
         _navItem(context, l10n, 1),