.set-variable label{display:block;margin-top:6px}.set-variable .el-select{width:100%}.chooseArea{display:flex;justify-content:space-around}.variable-left{margin-top:10px}.variable-left .el-tree{max-height:240px;overflow-y:auto}.variable-left .el-tree::-webkit-scrollbar-track-piece{background:#ccc}.variable-left .el-tree::-webkit-scrollbar{width:4px;height:6px}.variable-left .el-tree::-webkit-scrollbar-thumb{background:#aaa;border-radius:20px}.variable-middle{margin-top:10px}.variable-middle .el-tree{max-height:240px;overflow-y:auto}.variable-middle .el-tree::-webkit-scrollbar-track-piece{background:#ccc}.variable-middle .el-tree::-webkit-scrollbar{width:4px;height:6px}.variable-middle .el-tree::-webkit-scrollbar-thumb{background:#aaa;border-radius:20px}.variable-right{margin:10px 0 0 10px;width:33%;max-height:276px;overflow-x:hidden;overflow-y:auto}.variable-right::-webkit-scrollbar-track-piece{background:#ccc}.variable-right::-webkit-scrollbar{width:4px;height:6px}.variable-right::-webkit-scrollbar-thumb{background:#aaa;border-radius:20px}