CSS老鼠开关，HTML/Vue代码在线实时编辑、预览

            
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            body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: 0;
  min-height: 100vh;
  font-size: 3.5vmin;
  gap: 0.25em;
}

label {
  display: flex;
  align-items: center;
  gap: 3vw;
}

@keyframes blink {
  0%, 6%, 100% { mask: radial-gradient(100% 0% at 50% 55%, #0000 99%, #000); }
  3% { mask: radial-gradient(100% 5% at 50% 55%, #0000 99%, #000); }
}

.mouse {
  --fur: lightgray;
  --skin: #fdd;
  --time: 0.3s;
  appearance: none;
  position: relative;
  font-size: 1em;
  box-sizing: content-box;
  height: 2.5em;
  width: 2em;
  border: 1px solid #0000;
  background: 
    radial-gradient(50% 100% at 50% 0, #0003 70%, #0000) 0 100% / 50% 50% no-repeat,
    var(--fur);
  background-position: 0 100%;
  transition: background-position var(--time), transform var(--time);
  transform-origin: 50% 100%;
  transform: skew(3deg);
  
  &::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 168%;
    height: 90%;
    clip-path: polygon(80% 0, 80% 60%, 0% 95%, 20% 0%);
    aclip-path: polygon(80% 0, 50% 100%, 20% 0);
    transition: clip-path var(--time);
    background: 
      radial-gradient(80% 110% at 50% 0, #0000 90%, #000 0),
      linear-gradient(var(--fur) 87%, #000 0);
    border-radius: 0 0 20% 20%;
    pointer-events: none;
  }
  
  &::after {
    content:"";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 180%;
    height: 150%;
    background: 
      /* ears */
      radial-gradient(closest-side circle at 22% 22%, var(--skin) 66%, #0000 0),
      radial-gradient(closest-side circle at 78% 22%, var(--skin) 66%, #0000 0),
      radial-gradient(closest-side circle at 20% 20%, var(--fur) 99%, #0000),
      radial-gradient(closest-side circle at 80% 20%, var(--fur) 99%, #0000),
      /* eyes */
      radial-gradient(circle at 48% 53%, #fff 0.05em, #0000 0) 0 0 / 50% 100% no-repeat,
      radial-gradient(circle at 88% 53%, #fff 0.05em, #0000 0) 0 0 / 50% 100% no-repeat,
      radial-gradient(circle at 50% 55%, #000 0.15em, #0000 0) 0 0 / 50% 100% no-repeat,
      radial-gradient(circle at 90% 55%, #000 0.15em, #0000 0) 0 0 / 50% 100% no-repeat;
    background-position: 0 0;
    transform: translate(-50%);
    transition: background-position var(--time);
    pointer-events: none;
    mask: radial-gradient(100% 5% at 50% 55%, red 99%, #0000);
    animation: blink 4s infinite;
  }
  
  &:checked {
    background-position: 100% 100%;
    transform: skew(-3deg);
    
    &::before {
      clip-path: polygon(20% 0, 80% 0, 100% 95%, 20% 60%);
    }
    
    &::after {
      background-position: 60% 0;
    }
  }
  
  &[disabled] {
    opacity: 0.25;
  }
}

@media print {
  .mouse {
    &, &::before, &::after {
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }
  }
}

@media (prefers-reduced-motion) {
  .mouse {
    &, &::before, &::after {
      transition: none !important;
      animation: none !important;
    }
  }
}