feat(app): 底部导航精简为三 Tab

lib/pages/home/home_view.dart

@@ -22,7 +22,6 @@ import '../discover/discover_view.dart';
 import '../splash/splash_page.dart';
 import '../mine/mine_view.dart';
 import '../player/player_view.dart';
-import '../ranking/ranking_view.dart';
 import 'home_binding.dart';
 import 'home_logic.dart';
 import 'widgets/home_menu_sheet.dart';
@@ -75,7 +74,6 @@ class HomePage extends StatelessWidget {
     return _HomeTabs(
       key: ValueKey(catalog.dramas.first.id),
       dramas: catalog.dramas,
-      sections: catalog.sections,
       banners: catalog.banners,
     );
   }
@@ -104,12 +102,10 @@ class _HomeTabs extends StatefulWidget {
   const _HomeTabs({
     super.key,
     required this.dramas,
-    required this.sections,
     required this.banners,
   });
 
   final List<Drama> dramas;
-  final List<FeedSection> sections;
   final List<FeedBanner> banners;
 
   @override
@@ -214,13 +210,6 @@ class _HomeTabsState extends State<_HomeTabs> {
               onSignOut: () => context.read<AuthController>().signOut(),
               wallet: context.read<WalletController>(),
             ),
-            RankingPage(
-              sections: widget.sections,
-              fallback: widget.dramas,
-              onOpen: (drama) => logic.openDrama(context, drama),
-              embedded: true,
-              active: logic.tab == 3,
-            ),
           ],
         ),
         bottomNavigationBar: logic.videoImmersive
@@ -244,14 +233,6 @@ class _HomeTabsState extends State<_HomeTabs> {
                     selected: logic.tab == 1,
                     onTap: () => _selectTab(context, 1),
                   ),
-                  AppBottomNavItem(
-                    tabKey: const Key('tab-ranking'),
-                    icon: Icons.leaderboard_outlined,
-                    selectedIcon: Icons.leaderboard_rounded,
-                    label: l10n.rankingTab,
-                    selected: logic.tab == 3,
-                    onTap: () => _selectTab(context, 3),
-                  ),
                   AppBottomNavItem(
                     tabKey: const Key('tab-my'),
                     icon: Icons.video_library_outlined,