classroom-instruments/src/views/attend-class/model/chapter/index.module.less

.scrollBar {
  margin: 0 20px;
  width: calc(100% - 40px);
}

.treeParent {
  transition: height 1s ease-in-out;
}

.treeChild {
  line-height: 54px;
}

.treeItem {
  display: flex;
  align-items: center;
  line-height: 54px;
  border-radius: 10px;
  padding: 0 5px;
  cursor: pointer;
  border-radius: 10px;
  font-size: max(17px, 12Px);
  margin-bottom: 8px;

  &:hover {
    background: #E8F4FF;
  }

  .title {
    padding-left: 8px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    max-width: 280px !important;
    color: rgba(0, 0, 0, .5);
    display: flex;
    align-items: center;

    .dir {
      flex-shrink: 1;
      display: inline-block;
      width: 16px;
      height: 18px;
      background: url('./images/icon-d.png') no-repeat center;
      background-size: contain;
      margin-right: 6px;
    }

    &.titleSelect {
      color: #198CFE;
      // font-weight: bold;

      .dir {
        background: url('./images/icon-d-active.png') no-repeat center;
        background-size: contain;
      }
    }
  }

  .arrow {
    display: inline-block;
    width: 14px;
    height: 15px;
    background: url('./images/arrow-default.png') no-repeat center;
    background-size: contain;

    &.arrowSelect {
      background: url('./images/arrow-active.png') no-repeat center;
      background-size: contain;
    }
  }

  .childArrow {
    width: 12px;
  }

  &.childItem {
    padding-left: 30px;
    font-size: max(15px, 12Px);

    .title {
      color: #131415;
    }
  }

  &.childSelect {
    background: #E8F4FF;

    .title {
      color: #198CFE;
      // font-weight: bold;
    }
  }
}