| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475 | @import './var.less';:root {  --van-switch-size: @switch-size;  --van-switch-width: @switch-width;  --van-switch-height: @switch-height;  --van-switch-node-size: @switch-node-size;  --van-switch-node-background-color: @switch-node-background-color;  --van-switch-node-box-shadow: @switch-node-box-shadow;  --van-switch-background-color: @switch-background-color;  --van-switch-on-background-color: @switch-on-background-color;  --van-switch-transition-duration: @switch-transition-duration;  --van-switch-disabled-opacity: @switch-disabled-opacity;  --van-switch-border: @switch-border;}.van-switch {  position: relative;  display: inline-block;  box-sizing: content-box;  width: var(--van-switch-width);  height: var(--van-switch-height);  font-size: var(--van-switch-size);  background: var(--van-switch-background-color);  border: var(--van-switch-border);  border-radius: var(--van-switch-node-size);  cursor: pointer;  transition: background-color var(--van-switch-transition-duration);  &__node {    position: absolute;    top: 0;    left: 0;    width: var(--van-switch-node-size);    height: var(--van-switch-node-size);    // https://github.com/vant-ui/vant/issues/9839    font-size: inherit;    background: var(--van-switch-node-background-color);    border-radius: 100%;    box-shadow: var(--van-switch-node-box-shadow);    transition: transform var(--van-switch-transition-duration)      cubic-bezier(0.3, 1.05, 0.4, 1.05);  }  &__loading {    top: 25%;    left: 25%;    width: 50%;    height: 50%;    line-height: 1;  }  &--on {    background: var(--van-switch-on-background-color);    .van-switch__node {      transform: translateX(        calc(var(--van-switch-width) - var(--van-switch-node-size))      );    }    .van-switch__loading {      color: var(--van-switch-on-background-color);    }  }  &--disabled {    cursor: not-allowed;    opacity: var(--van-switch-disabled-opacity);  }  &--loading {    cursor: default;  }}
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