.leftTree .el-card__header{padding:8px 10px}.leftTree .el-card__body{padding:8px;height:calc(100% - 30px);overflow:auto}.leftTree{width:100%;height:calc(100% + 56px)}.space-between{display:flex;align-items:center;justify-content:space-between}.el-alert__content{width:100%}.tree-btn{font-size:15px;width:15px;height:15px;text-align:center;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;margin:0 0 0 5px}.tree-btn:hover{color:#409eff;font-weight:700}.tree-bar{margin-top:10px}.tree-item{width:100%}.tree-item .btn-box{display:none}.tree-item:hover .btn-box{display:block}.btn-box{background:#f5f7fa;position:absolute;right:0}