正在播放的自滑动刹车动画动作优化完成，同时调整播放页进入动作

lib/main.dart

@@ -19,17 +19,11 @@ import 'widgets/global_mini_player.dart';
 final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
 final stopwatch = Stopwatch();
 
-// ⭐ 防止 Hot Restart / 热重载时重复初始化
 bool _appInitialized = false;
-
-// ⭐ 全局缓存 Handler
 AudioPlayerHandler? _audioHandler;
-
-// ⭐ 全局缓存 LifecycleManager
 final AppLifecycleManager lifecycleManager = AppLifecycleManager();
 
 void main() async {
-  // ⭐ P0：防止重复初始化
   if (_appInitialized) {
     debugPrint('⏱️ main 已初始化，跳过重复执行');
     return;
@@ -42,7 +36,6 @@ void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   debugPrint('⏱️ T0.5 ensureInitialized: ${stopwatch.elapsedMilliseconds}ms');
 
-  // ⭐ MediaKit 在 runApp 前初始化（官方要求）
   try {
     MediaKit.ensureInitialized();
     debugPrint('⏱️ T0.6 MediaKit 初始化完成');
@@ -50,10 +43,8 @@ void main() async {
     debugPrint('❌ MediaKit 初始化失败: $e');
   }
 
-  // ⭐ 创建 Handler
   _audioHandler = AudioPlayerHandler();
 
-  // ⭐ 注册切歌回调
   AudioService().setOnSongChanged((song) {
     debugPrint(
         '📢 [main] song.artwork is ${song.artwork != null ? 'not null' : 'null'}');
@@ -81,6 +72,7 @@ void main() async {
 
   debugPrint('⏱️ T0.8 runApp 完成: ${stopwatch.elapsedMilliseconds}ms');
 
+  // ⭐ 首帧后恢复播放状态
   WidgetsBinding.instance.addPostFrameCallback((_) {
     AudioService().restorePlaybackState();
   });
@@ -112,13 +104,10 @@ class RouteManager extends ChangeNotifier {
 // ════════════════════════════════════════════════════════════
 // 导航观察者（监听路由变化）
 // ════════════════════════════════════════════════════════════
-// lib/main.dart
-
 class MiniPlayerNavigatorObserver extends NavigatorObserver {
   void _updateRoute(Route? route) {
     if (route == null) return;
 
-    // ⭐ 忽略 PopupRoute（菜单、对话框等）
     if (route is PopupRoute) {
       return;
     }
@@ -134,7 +123,6 @@ class MiniPlayerNavigatorObserver extends NavigatorObserver {
 
   @override
   void didPop(Route route, Route? previousRoute) {
-    // ⭐ 返回时，使用上一个路由（previousRoute）
     if (previousRoute != null && previousRoute is! PopupRoute) {
       final name = previousRoute.settings.name ?? '/';
       RouteManager().updateRoute(name);
@@ -275,9 +263,11 @@ class _QTPlayerAppState extends State<QTPlayerApp> {
     return '${DateTime.now().difference(start).inMilliseconds}';
   }
 
-  // ⭐ 路由生成（播放页滑入动画，速度 200ms）
-  // lib/main.dart - _onGenerateRoute 方法
+  // ════════════════════════════════════════════════════════════
+  // ⭐ 路由生成（播放页 & 播放列表页底部滑入）
+  // ════════════════════════════════════════════════════════════
   Route<dynamic> _onGenerateRoute(RouteSettings settings) {
+    // ⭐ 播放页：底部滑入
     if (settings.name == '/player') {
       return PageRouteBuilder(
         settings: settings,
@@ -285,12 +275,9 @@ class _QTPlayerAppState extends State<QTPlayerApp> {
           return const PlayerPage();
         },
         transitionsBuilder: (context, animation, secondaryAnimation, child) {
-          // ⭐ 应用贝塞尔曲线
           final curvedAnimation = CurvedAnimation(
             parent: animation,
-            curve: Curves.easeOutCubic, // 平滑减速
-            // curve: Curves.easeOutBack,    // 轻微回弹，更灵动
-            // curve: Curves.fastOutSlowIn,  // Material 风格
+            curve: Curves.easeOutCubic,
           );
           const begin = Offset(0.0, 1.0);
           const end = Offset.zero;
@@ -301,18 +288,42 @@ class _QTPlayerAppState extends State<QTPlayerApp> {
             child: child,
           );
         },
-        transitionDuration: const Duration(milliseconds: 300),
+        transitionDuration: const Duration(milliseconds: 250),
       );
     }
 
+    // ⭐ 播放列表页：底部滑入（与播放页一致）
+    if (settings.name == '/playlist') {
+      return PageRouteBuilder(
+        settings: settings,
+        pageBuilder: (context, animation, secondaryAnimation) {
+          return const PlaylistPage();
+        },
+        transitionsBuilder: (context, animation, secondaryAnimation, child) {
+          final curvedAnimation = CurvedAnimation(
+            parent: animation,
+            curve: Curves.easeOutCubic,
+          );
+          const begin = Offset(0.0, 1.0);
+          const end = Offset.zero;
+          final tween = Tween(begin: begin, end: end);
+          final offsetAnimation = tween.animate(curvedAnimation);
+          return SlideTransition(
+            position: offsetAnimation,
+            child: child,
+          );
+        },
+        transitionDuration: const Duration(milliseconds: 250),
+      );
+    }
+
+    // 其他页面使用默认
     return MaterialPageRoute(
       settings: settings,
       builder: (context) {
         switch (settings.name) {
           case '/':
             return const HomePage();
-          case '/playlist':
-            return const PlaylistPage();
           default:
             return const HomePage();
         }
@@ -359,7 +370,6 @@ class _QTPlayerAppState extends State<QTPlayerApp> {
                   switchInCurve: Curves.easeOut,
                   switchOutCurve: Curves.easeIn,
                   transitionBuilder: (child, animation) {
-                    // ⭐ 淡入淡出 + 轻微上滑
                     return FadeTransition(
                       opacity: animation,
                       child: SlideTransition(