vant/packages/vant-css/src/steps.css

@import './common/var.css';
@import './mixins/ellipsis.css';
@import './icon.css';
@import './mixins/border_retina.css';

@component-namespace van {
  @b steps {
    overflow: hidden;
    background-color: #fff;

    @m horizontal {
      padding: 0 10px;

      .van-steps__items {
        margin: 0 0 10px;
        overflow: hidden;
        position: relative;
        padding-bottom: 22px;

        &.van-steps__items--alone {
          padding-top: 10px;
        }
      }
    }

    @m vertical {
      padding: 0 0 0 35px;
    }

    @m 4 {
      .van-step {
        width: 33.2%;
      }
    }

    @m 3 {
      .van-step {
        width: 50%;
      }
    }

    @e icon {
      float: left;
      margin-right: 10px;
    }

    .van-icon {
      font-size: 40px;
      line-height: 1;
    }

    @e message {
      display: table;
      height: 40px;
      margin: 15px 0;

      .van-steps__message-wrapper {
        display: table-cell;
        vertical-align: middle;
      }
    }

    @e title {
      font-size: 14px;
      color: $c-black;
    }

    @e desc {
      font-size: 12px;
      line-height: 1.5;
      color: $c-gray-dark;
      max-height: 18px;
      @mixin multi-ellipsis 1;
    }
  }

  @b step {
    font-size: 14px;
    position: relative;
    color: $c-gray-dark;
    
    @m horizontal {
      float: left;

      &:first-child {
        .van-step__title {
          transform: none;
          margin-left: 0;
        }
      }

      &:last-child {
        position: absolute;
        right: 10px;
        width: auto;

        .van-step__title {
          transform: none;
          margin-left: 0;
        }

        .van-step__circle-container {
          left: auto;
          right: -9px;
        }

        .van-step__line {
          width: 0;
        }
      }

      .van-step__circle-container {
        position: absolute;
        top: 28px;
        left: -8px;
        padding: 0 8px;
        background-color: #fff;
        z-index: 1;
      }

      .van-step__title {
        font-size: 12px;
        transform: translate3d(-50%, 0, 0);
        display: inline-block;
        margin-left: 3px;
      }

      .van-step__line {
        position: absolute;
        left: 0px;
        top: 30px;
        width: 100%;
        height: 1px;
        background-color: $c-gray-light;
      }

      &.van-step--finish {
        color: $c-black;

        .van-step__circle,
        .van-step__line {
          background-color: $c-green;
        }
      }

      &.van-step--process {
        color: $c-black;

        .van-step__circle-container {
          top: 24px;
        }

        .van-icon {
          font-size: 12px;
          color: $c-green;
          line-height: 1;
          display: block;
        }
      }
    }

    .van-step__circle {
      display: block;
      width: 5px;
      height: 5px;
      background-color: #888;
      border-radius: 50%;
    }

    @m vertical {
      float: none;
      display: block;
      font-size: 14px;
      line-height: 18px;
      padding: 10px 10px 10px 0;

      &::after {
        @mixin border-retina (bottom);
      }

      &:first-child {
        &::before {
          content: '';
          position: absolute;
          width: 1px;
          height: 20px;
          background-color: #fff;
          top: 0;
          left: -15px;
          z-index: 1;
        }
      }

      &:last-child::after {
        display: none;
      }

      .van-step__circle-container > i {
        position: absolute;
        z-index: 2;
      }

      .van-icon-checked {
        top: 12px;
        left: -20px;
        line-height: 1;
        font-size: 12px;
      }

      .van-step__circle {
        top: 16px;
        left: -17px;
      }

      .van-step__line {
        position: absolute;
        top: 0;
        left: -15px;
        width: 1px;
        height: 100%;
        background-color: $c-gray-light;
      }
    }
  }
}