feat(vap播放组件): 修复苹果端走原生video播放的问题

src/components/VapMp4Player.vue

@@ -121,17 +121,17 @@ function enforceVideoPlaybackAttributes(video, shouldMute) {
     video.disableRemotePlayback = true
   }
 
-  // Keep the source video alive for canvas sampling without letting Safari
-  // promote it into the native fullscreen player.
-  video.style.display = 'block'
-  video.style.position = 'fixed'
-  video.style.left = '-9999px'
-  video.style.top = '0'
-  video.style.width = '1px'
-  video.style.height = '1px'
-  video.style.opacity = '0'
+  // Hide the source video completely so iOS does not surface the raw mp4
+  // in the native fullscreen player instead of keeping the VAP in-canvas.
+  video.style.display = 'none'
+  video.style.position = ''
+  video.style.left = ''
+  video.style.top = ''
+  video.style.width = ''
+  video.style.height = ''
+  video.style.opacity = ''
   video.style.pointerEvents = 'none'
-  video.style.zIndex = '-1'
+  video.style.zIndex = ''
 
   if (shouldMute) {
     video.muted = true