fix(player): 调整双击飘心动画

lib/pages/player/widgets/home_feed_overlay.dart

@@ -126,6 +126,7 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
     return SafeArea(
       bottom: false,
       child: Stack(
+        clipBehavior: Clip.none,
         children: [
           Positioned.fill(
             child: PlayerTapGestureRegion(

lib/pages/player/widgets/player_double_tap_hearts.dart

@@ -4,31 +4,32 @@ import 'package:flutter/material.dart';
 
 import '../../../core/theme/app_colors.dart';
 
-const int _heartDurationMs = 680;
+const int _heartDurationMs = 1300;
+const int _lastHeartDelayMs = 200;
 const double _heartPopPortion = 0.18;
 const double _heartStartScale = 0.7;
-const double _heartHoldPortion = 0.45;
+const double _heartHoldPortion = 0.65;
 
 const List<_HeartParticle> _hearts = [
   _HeartParticle(
     delay: 0,
-    travel: 108,
+    travel: 175,
     drift: 0,
-    size: 48,
+    size: 44,
     color: AppColors.doubleTapHeartRed,
   ),
   _HeartParticle(
-    delay: 50,
-    travel: 96,
-    drift: -28,
-    size: 36,
+    delay: 110,
+    travel: 150,
+    drift: -32,
+    size: 34,
     color: AppColors.doubleTapHeartPink,
   ),
   _HeartParticle(
-    delay: 90,
-    travel: 118,
-    drift: 26,
-    size: 40,
+    delay: _lastHeartDelayMs,
+    travel: 165,
+    drift: 30,
+    size: 38,
     color: AppColors.doubleTapHeartRed,
   ),
 ];
@@ -38,6 +39,10 @@ class PlayerDoubleTapHeartBurst extends StatefulWidget {
   const PlayerDoubleTapHeartBurst({super.key, required this.onCompleted});
 
   static const int particleCount = 3;
+  static const int singleHeartDurationMs = _heartDurationMs;
+  static const Duration animationDuration = Duration(
+    milliseconds: _lastHeartDelayMs + _heartDurationMs,
+  );
 
   final VoidCallback onCompleted;
 

lib/pages/player/widgets/player_overlay.dart

@@ -55,6 +55,7 @@ class PlayerPlaybackOverlay extends StatelessWidget {
   Widget build(BuildContext context) {
     return SafeArea(
       child: Stack(
+        clipBehavior: Clip.none,
         children: [
           Positioned.fill(
             child: PlayerTapGestureRegion(

lib/pages/player/widgets/player_tap_gesture_region.dart

@@ -70,6 +70,7 @@ class _PlayerTapGestureRegionState extends State<PlayerTapGestureRegion> {
           onPointerDown: _handlePointerDown,
           child: Stack(
             fit: StackFit.expand,
+            clipBehavior: Clip.none,
             children: [
               GestureDetector(
                 key: widget.gestureKey,