vant-weapp/packages/tree-select/index.less

@import '../common/style/var.less';
@import '../common/style/theme.less';

.van-tree-select {
  position: relative;
  display: flex;
  user-select: none;
  .theme(font-size, '@tree-select-font-size');

  &__nav {
    flex: 1;
    .theme(background-color, '@tree-select-nav-background-color');

    &__inner {
      width: 100% !important;
      height: 100%;
    }

    --sidebar-padding: @tree-select-nav-item-padding;
  }

  &__content {
    flex: 2;
    .theme(background-color, '@tree-select-content-background-color');
  }

  &__item {
    position: relative;
    font-weight: bold;

    .theme(padding, '0 32px 0 @padding-md');
    .theme(line-height, '@tree-select-item-height');

    &--active {
      .theme(color, '@tree-select-item-active-color');
    }

    &--disabled {
      .theme(color, '@tree-select-item-disabled-color');
    }
  }

  &__selected {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    .theme(right, '@padding-md');
  }
}