jtBaseApp/node_modules/vant/lib/switch/index.less

@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;
  }
}