vant/packages/vant-css/src/tab.css

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

.van-tabs {
  position: relative;

  &__swipe {
    user-select: none;

    .van-tab {
      flex: 0 0 22%;
    }

    .van-tabs__nav {
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;

      &::-webkit-scrollbar {
        display: none;
        background-color: transparent;
      }
    }
  }

  &__nav {
    display: flex;
    position: relative;
    background-color: $white;

    &--line {
      height: 44px;
    }

    &--card {
      height: 28px;
      margin: 0 15px;
      border-radius: 2px;
      border: 1px solid $gray-darker;

      .van-tab {
        color: $gray-darker;
        line-height: 28px;
        border-right: 1px solid $gray-darker;

        &:last-child {
          border-right: none;
        }

        &.van-tab--active {
          color: $white;
          background-color: $gray-darker;
        }
      }
    }
  }

  &__nav-bar {
    z-index: 1;
    left: 0;
    bottom: 0;
    height: 2px;
    position: absolute;
    background-color: $red;
  }
}

.van-tab {
  flex: 1;
  cursor: pointer;
  padding: 0 5px;
  font-size: 14px;
  position: relative;
  color: $text-color;
  line-height: 44px;
  text-align: center;
  box-sizing: border-box;
  background-color: $white;
  min-width: 0; /* hack for flex ellipsis */

  span {
    display: block;
    @mixin ellipsis;
  }

  &:active {
    background-color: $active-color;
  }

  &--active {
    color: $red;
  }

  &--disabled {
    color: $gray;

    &:active {
      background-color: $white;
    }
  }

  &__pane {
    display: none;

    &--select {
      display: block;
    }
  }
}