天一阁
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wipe

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<!-- html --> 
<div class="scenes" tabindex="0">
  <div class="scene-1">
     <h2 class="scene-title">北京鸟巢</h2>
  </div>
  <div class="scene-2">
      <h2 class="scene-title">鸟巢夜景</h2>
  </div>
</div>

<div class="visualizer">
  <div class="visualizer-frame">
     <div class="visualizer-mask"></div>
   </div>
 </div>
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.scenes {
  position: relative;
  height: 416px;
  outline: 2px solid #ccc;
}

.scene-1,
.scene-2 {
  position: absolute;
  inset: 0;
  background-size: cover;
}

.scene-1 {
  background-image: url(1.jpg);
}

.scene-2 {
  background-image: url(2.jpg);
  -webkit-mask-image: linear-gradient(to right, transparent 47.5%, #fff 52.5%);
  -webkit-mask-size: 210%;
  -webkit-mask-position: left;
}
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.scenes:is(:hover, :focus) .scene-2 {
  -webkit-mask-position: right;
  transition: -webkit-mask-position 2s linear;
}

.scene-title {
  position: absolute;
  max-width: 45%;
  margin: min(40px, 4vw);
  font-size: 1.25em;
}

.scene-1 .scene-title {
  top: 0;
  left: 0;
  color: #000;
  text-align: left;
}

.scene-2 .scene-title {
  top: 0;
  right: 0;
  color: #fff;
  text-align: right;
}