.elem-tree-box .elem-tree-item .row-box{display:flex;align-items:center;font-size:14px;padding:10px 0}.elem-tree-box .elem-tree-item .row-box .selection{margin:0 10px;width:20px;height:20px;border:1px solid #e3e3e3;border-radius:5px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.elem-tree-box .elem-tree-item .row-box .selection .icon-box{font-size:20px;color:#fff}.elem-tree-box .elem-tree-item .row-box .selection.all{background:#2db7f5;border-color:#2db7f5}.elem-tree-box .elem-tree-item .row-box .title-box{flex-grow:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.elem-tree-box .elem-tree-item .row-box .down-icon{width:15px;margin:0 10px;display:flex;flex-shrink:0}.elem-tree-box .elem-tree-item .row-box .down-icon .icon-box.expand{transform:rotate(90deg)}.elem-tree-box .elem-tree-item .row-box.viscosity{position:sticky;top:0;background:#fff;z-index:10;box-shadow:0 10px 10px hsla(0,0%,100%,.8)}.elem-tree-box .elem-tree-item .childs-box{margin-left:15px;height:0;overflow:hidden;transition:height .2s}.elem-tree-box .elem-tree-item .childs-box.expand{height:auto}