.tree-node--with-tree-line{position:relative}.tree-line{background-color:#bbb;position:absolute}.tree-vline{width:1px;top:0;bottom:0}.tree-hline{width:10px;height:1px;top:50%}.he-tree--rtl{direction:rtl}.he-tree-drag-placeholder{background:#ddf2f9;border:1px dashed #00d9ff;width:100%;height:22px}.he-tree__open-icon{cursor:pointer;-webkit-user-select:none;user-select:none;display:inline-block}.he-tree__open-icon.open{transform:rotate(90deg)}.he-tree__open-icon svg{width:1em}