perf: 双沟设色页 观看视频按钮 添加呼吸灯效果

src/views/ShuangGou.vue

@@ -30,7 +30,7 @@
     <div class="title">
       <h1>双钩设色</h1>
       <button
-        class="play-video"
+        class="play-video animation-show-hide"
         @click="isShowVideos = true"
       >
         <img