.box{position:relative;width:calc(var(--menuW));height:100%}.left{width:calc(var(--menuW) - 6px);background:#fff}#resize,.left{height:100%;float:left}#resize{cursor:col-resize;background-color:#d9d9d9;width:6px}#resize:hover{color:#444}.el-scrollbar .el-scrollbar__view{height:100%}.menu-info .menu-contorl{line-height:52px;font-size:20px;display:table-cell;vertical-align:middle}