fix(flutter): 首页 feed 去底色并优化整集条

lib/pages/home/home_view.dart

@@ -3,6 +3,7 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 
 import '../../core/data/models/drama.dart';
@@ -32,10 +33,7 @@ class HomePage extends StatelessWidget {
     final l10n = AppLocalizations.of(context)!;
     return Theme(
       data: AppTheme.light(),
-      child: DecoratedBox(
-        decoration: const BoxDecoration(gradient: AppTheme.pageGradient),
-        child: _buildHome(context, catalog, l10n),
-      ),
+      child: _buildHome(context, catalog, l10n),
     );
   }
 
@@ -136,7 +134,8 @@ class _HomeTabsState extends State<_HomeTabs> {
 
   Widget _scaffold(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
-    return PopScope(
+    final feed = logic.tab == 0;
+    final content = PopScope(
       canPop: false,
       onPopInvokedWithResult: (didPop, _) {
         if (didPop) return;
@@ -144,11 +143,21 @@ class _HomeTabsState extends State<_HomeTabs> {
       },
       child: Scaffold(
         key: logic.scaffoldKey,
-        backgroundColor: logic.tab == 0 ? Colors.black : Colors.transparent,
+        backgroundColor: Colors.transparent,
         body: _body(context),
         bottomNavigationBar: logic.videoImmersive ? null : _nav(context, l10n),
       ),
     );
+    return AnnotatedRegion<SystemUiOverlayStyle>(
+      value: feed ? SystemUiOverlayStyle.light : SystemUiOverlayStyle.dark,
+      child: feed
+          ? content
+          : DecoratedBox(
+              key: const Key('home-page-gradient'),
+              decoration: const BoxDecoration(gradient: AppTheme.pageGradient),
+              child: content,
+            ),
+    );
   }
 
   Widget _body(BuildContext context) {