.sectionBox{width:100%;display:-webkit-box;display:-ms-flexbox;display:flex;min-height:calc(100vh - 70px)}.sectionBox .left_box{position:absolute;z-index:333;height:100vh;background-color:#014f86;width:160px;overflow:auto}.sectionBox .left_box .lt_box{height:70px;background-color:#0189ff;color:#fff;line-height:70px;padding-left:20px}.sectionBox .left_box .el-menu{height:100%;border-right-width:0}.sectionBox .right_route{width:100vw;height:100%;padding-left:160px;position:absolute;top:0}.sectionBox .right_route,.sectionBox>.right_box{-webkit-box-sizing:border-box;box-sizing:border-box}.sectionBox>.right_box{float:left;width:calc(100% - 266px);margin-left:266px;background-color:#f4f4f4}