@perfma/heaven/es/letter-index-list/letter-index-list.less

An UI Framework base [Ant Design V4](https://ant.design/components/overview-cn/) for React.

.letter-index-list {
  display: flex;

  &-nav {
    width: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #f2f2f2;
    border-right: 1px solid #d9d9d9;
    text-align: center;
    color: #999999;

    &-item {
      cursor: pointer;
      width: 100%;
      line-height: 1;
      padding: 1.25px 0;

      &.is-active,
      &:hover {
        color: #3271fe;
      }
    }
  }

  &-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;

    &-item {
      cursor: pointer;
      padding: 9px 18px;

      &:hover:not(.is-selected, .is-letter) {
        background: #ecf6ff;
      }

      &.is-letter {
        background: #f2f2f2;
        font-size: 14px;
        line-height: 1;
        padding: 12px 18px;

        &.is-sticky {
          position: sticky;
          top: 0;
        }
      }

      &.is-selected {
        background: #3271fe;
        color: #fff;
      }
    }
  }
}