.tiny-tree {
  .tree-node {
    font-size: 14px;
    margin: 6px 0;
    .node-content {
      display: flex;
      align-items: center;
      .node-arrow {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 12px;
        height: 12px;
        margin-right: 6px;
        cursor: pointer;
        transition: all 0.2s;
        &.hide {
          visibility: hidden;
        }
        &.open {
          transform: rotate(90deg);
        }
      }
      .node-title {
        line-height: 20px;
        color: #333;
        cursor: pointer;
        padding: 0 4px;
        border-radius: 3px;
        &:hover {
          background-color: #eee;
        }
        &.selected {
          background-color: #ddd;
        }
      }
    }
    .node-children {
      padding-left: 18px;
      overflow: hidden;
      transition: all 0.2s;
    }
  }
}