workApp/uni_modules/KieranYin9527-tree/style/index.scss

.utv-tree-item {
  position: relative;
  z-index: 0;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  min-height: 88rpx;
  padding-right: 24rpx;
  color: #666666;
  border-bottom: 2rpx solid #F3F3F3;
  &:nth-child(1){
	border-top: 2rpx solid #F3F3F3;  
  }

  // hover-class 按压反馈，兼容微信/支付宝小程序与 H5
  &--hover {
    background-color: rgba(17, 24, 39, 0.04);
  }

  &.is-disabled {
    color: #666666;
  }

  // 状态层始终保留在节点树中，选中时只改 opacity。
  // 避免小程序在选中/反选时反复创建伪元素并重新合成整行。
  &__state-layer {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 0;
    // background-color: var(--theme-color, #007aff);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  &.is-checked &__state-layer {
    opacity: 0.06;
  }

  &.is-checked .utv-tree-node-label {
    color: var(--theme-color, #007aff);
  }

  &.is-disabled &__state-layer {
    opacity: 0;
  }

  &.is-disabled.is-checked .utv-tree-node-label {
    color: #666666;
  }

  &__arrow-placeholder {
    flex: 0 0 40rpx;
    width: 40rpx;
    height: 40rpx;
  }

  &__arrow-icon {
    position: relative;
    flex: 0 0 40rpx;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40rpx;
    height: 40rpx;
    &::after {
      position: relative;
      z-index: 1;
      overflow: hidden;
      /* stylelint-disable-next-line font-family-no-missing-generic-family-keyword */
      font-family: "uni-tree-iconfont" !important;
      font-size: 32rpx;
      font-style: normal;
      color: #999999;
      transition: transform 0.2s ease;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    &.is-right::after {
      content: '\e604';
      transform: rotate(-90deg);
    }

    &.is-expand::after {
      transform: rotate(0deg);
    }

    &.is-loading {
      animation: IconLoading 1s linear 0s infinite;

      &::after {
        content: '\e7f1';
      }
    }

    &.is-load-error::after {
      color: #e5484d;
      content: "!";
      font-family: sans-serif !important;
      font-weight: 600;
      transform: none;
    }
  }

  &__checkbox {
    flex: 0 0 48rpx;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48rpx;
    height: 48rpx;
    overflow: hidden;

    &.is-disabled {
      // opacity: 0.45;
	  .utv-tree-checkbox-checked::after {
	    color: #C0C4CC;
	  }
    }

    &-icon {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40rpx;
      height: 40rpx;

      &::after {
        position: relative;
        top: 0;
        left: 0;
        z-index: 1;
        overflow: hidden;
        /* stylelint-disable-next-line font-family-no-missing-generic-family-keyword */
        font-family: "uni-tree-iconfont" !important;
        font-size: 36rpx;
        font-style: normal;
        transition: color 0.2s ease;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
      }

      &.utv-tree-checkbox-outline::after {
        color: #bbb;
        content: "\ead5";
      }

      &.utv-tree-checkbox-checked::after {
        color: var(--theme-color,#007aff);
        content: "\ead4";
      }

      &.utv-tree-checkbox-indeterminate::after {
        color: var(--theme-color,#007aff);
        content: "\ebce";
      }

      &.utv-tree-radio-outline::after {
        color: #bbb;
        content: "\ecc5";
      }

      &.utv-tree-radio-checked::after {
        color: var(--theme-color,#007aff);
        content: "\ecc4";
      }

      &.utv-tree-radio-indeterminate::after {
        color: var(--theme-color,#007aff);
        content: "\ea4f";
      }
    }
  }

  &.is-virtual &__checkbox {
    height: 100%;
  }
}

.utv-tree-node-label {
  flex: 1;
  min-width: 0;
  padding: 0 4rpx;
  overflow: hidden;
  font-size: 28rpx;
  line-height: 40rpx;
  text-overflow: ellipsis;
  white-space: nowrap;
  &.parent{
	font-weight: 500;
	color: #333333;  
  }
}

.utv-tree-node-label__match {
  color: var(--theme-color, #007aff);
  font-weight: 600;
}

.utv-tree-item.is-disabled .utv-tree-node-label__match {
  color: inherit;
}

.utv-tree-node-content {
  display: flex;
  flex: 1;
  align-items: center;
  min-width: 0;
}

.utv-tree-node-main {
  flex: 1;
  min-width: 0;
}

.utv-tree-node-icon {
  flex: 0 0 auto;
  padding-left: 16rpx;
  font-size: 28rpx;
  line-height: 40rpx;
}

.utv-tree-node-icon + .utv-tree-node-main .utv-tree-node-label {
  padding-left: 8rpx;
}

.utv-tree-node-append {
  flex: 0 0 auto;
  max-width: 40%;
  padding-left: 16rpx;
  overflow: hidden;
  color: #667085;
  font-size: 24rpx;
  line-height: 36rpx;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.utv-tree-node-path {
  padding: 0 16rpx;
  overflow: hidden;
  color: #98a2b3;
  font-size: 22rpx;
  line-height: 32rpx;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.utv-tree-empty {
  padding: 64rpx 24rpx;
  color: #98a2b3;
  font-size: 28rpx;
  line-height: 40rpx;
  text-align: center;
}

// 加载图标旋转动画；此前被 .is-loading 引用但未定义
@keyframes IconLoading {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}