.uif-tree-item
  padding-top 4px
.uif-tree-data
  display flex
  align-items center
  transition background-color 0.2s ease
  font-size 12px
  color #191919
  min-height 28px
  &-left
    width 28px
    text-align center
  .uif-i
    font-size 16px
    width 28px
    line-height 28px
    transition transform 0.2s ease
  .loading
    animation s-rotate 2s infinite
    animation-timing-function linear
    transform-origin center center
  &.data-expand .expand
    transform rotate(90deg)
  &.data-active
  &:hover
    background-color #d8eefc
  &-label
    cursor pointer
    line-height 20px
    flex auto
    overflow hidden
    white-space nowrap
    text-overflow ellipsis