.@{tabs-prefix-cls} {
  &-vertical &-ink-bar {
    width: 2px;
  }

  &-vertical &-tab {
    margin-bottom: @tab-pane-gap;

    &:last-child {
      margin-bottom: 0;
    }
  }

  &-vertical &-pane {
    transition: none;
  }

  &-vertical &-content {
    height: 100%;
    flex-direction: column;
    margin-top: 0 !important;
  }

  &-vertical&-left {
    .@{tabs-prefix-cls}-nav-wrap {
      float: left;
      border-right: 1px solid @color-unactive;
      margin-right: @tab-nav-wrap-gap;
    }

    .@{tabs-prefix-cls}-ink-bar {
      right: 0;
      top: 0;
    }
  }

  &-vertical&-right {
    .@{tabs-prefix-cls}-nav-wrap {
      float: right;
      border-left: 1px solid @color-unactive;
      margin-left: @tab-nav-wrap-gap;
    }

    .@{tabs-prefix-cls}-ink-bar {
      left: 0;
      top: 0;
    }
  }
}

// card 样式
.@{tabs-prefix-cls} {
  &-vertical&-card&-left {
    .@{tabs-prefix-cls} {
      &-tab {
        border-top-left-radius: @tab-border-radius;
        border-bottom-left-radius: @tab-border-radius;
        border-right: 0;

        &-active {
          margin-right: -1px;
        }
      }
    }
  }

  &-vertical&-card&-right {
    .@{tabs-prefix-cls} {
      &-tab {
        border-top-right-radius: @tab-border-radius;
        border-bottom-right-radius: @tab-border-radius;
        border-left: 0;

        &-active {
          margin-left: -1px;
        }
      }
    }
  }
}