.#{$anchor-prefix-cls} {
  &-list {
    position: relative;
    padding-left: $anchor-border-width;
  }

  &-wrapper {
    padding-left: 5px;
    margin-left: -6px;
    overflow: auto;
  }

  &-ink {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;

    &::before {
      position: relative;
      display: block;
      width: $anchor-border-width;
      height: 100%;
      margin: 0 auto;
      content: " ";
      background-color: $anchor-ink-border-color;
    }

    &-ball {
      position: absolute;
      left: 50%;
      display: inline-block;
      width: 12px;
      height: 12px;
      background-color: $white;
      border: 2px solid $brand-primary;
      border-radius: 50%;
      transition: top $transition-time ease-in-out;
      transform: translate(-50%, 5px);
    }

    &.fixed &-ink &-ink-ball {
      display: none;
    }
  }

  &-link {
    padding-left: 16px;
    line-height: 22px;

    &-title {
      position: relative;
      display: block;
      margin-bottom: 10px;
      overflow: hidden;
      color: $gray-light-65;
      text-overflow: ellipsis;
      white-space: nowrap;
      transition: all .3s;
    }

    &-active > &-title {
      color: $brand-primary;
    }
  }
}