yueche_app/uni_modules/wot-design-uni/components/wd-drop-menu/index.scss

@import '../common/abstracts/variable';
@import '../common/abstracts/mixin';

.wot-theme-dark {
  @include b(drop-menu) {
    color: $-dark-color;
    @include e(list) {
      background-color: $-dark-background2;
    }

    @include e(item) {
      @include when(disabled) {
        color: $-dark-color-gray;
      }
    }
  }
}

@include b(drop-menu) {
  box-sizing: border-box;
  color: $-drop-menu-color;
  font-size: $-drop-menu-fs;
  position: relative;

  @include e(list) {
    display: flex;
    text-align: center;
    background-color: #fff;
  }
  @include e(item) {
    flex: 1;
    min-width: 0;
    height: $-drop-menu-height;
    line-height: $-drop-menu-height;
    text-align: center;

    @include when(active) {
      font-weight: $-fw-medium;

      .wd-drop-menu__item-title::after {
        opacity: 1;
      }
      :deep(.wd-drop-menu__arrow) {
        transform: rotate(-180deg);
        transform-origin: center center;
      }
    }
    @include when(disabled) {
      color: $-drop-menu-disabled-color;
    }
  }

  @include e(item-title) {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    padding: 0 $-drop-menu-side-padding;
    box-sizing: border-box;

    &::after {
      position: absolute;
      content: '';
      width: 19px;
      height: $-drop-menu-line-height;
      bottom: 6px;
      left: 50%;
      transform: translate(-50%, 0);
      background: $-drop-menu-line-color;
      border-radius: $-drop-menu-line-height;
      transition: opacity .15s;
      opacity: 0;
    }
  }

  @include e(item-title-text) {
    position: relative;
    @include lineEllipsis;
  }

  @include edeep(arrow) {
    font-size: $-drop-menu-arrow-fs;
    margin-left: 2px;
  }
}