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代码如下：复制直接使用

body {
  display: grid;
  place-content: center;
  height: 100vh;
  margin: 0;
  gap: 15px;
  background: #f1f1f1;
  user-select: none;
}
button {
  user-select: none;
}
.throttle {
  animation: throttle 2s step-end forwards;
}
.throttle:active {
  animation: none;
}
@keyframes throttle {
  from {
    pointer-events: none;
    opacity: .5;
  }
  to {
    pointer-events: all;
    opacity: 1;
  }
}

效果：