#router-container[data-v-2538adaa]{height:calc(100% - 1rem)}[data-v-2538adaa] .van-tabbar{padding-bottom:0}#tabBox[data-v-2538adaa]{position:relative}#tabBox .launch-btn[data-v-2538adaa]{position:absolute;top:0;left:50%;width:25%;height:1rem;opacity:0;z-index:99;overflow:hidden}