.mi{overflow-y:auto}.mi .top{width:100%;height:2.133vw}.mi .jishi img,.mi .zhuge img{width:100%;height:auto;display:block}.mi .bg-one{width:100%;height:76.4vw}.mi .bg-two{width:100%;height:83.067vw}.mi .bg-four,.mi .bg-three{width:100%;height:78.933vw}.mi .bg-five{width:100%;height:58.8vw}.mi .btn{border-radius:6vw;border:1px solid #1e9dff;color:#1e9dff}.mi .btn,.mi .btn-zhuge{width:68.267vw;height:12vw;font-size:4.267vw;font-family:PingFangSC-Regular,PingFang SC;font-weight:400;line-height:12vw;text-align:center;margin:6.4vw auto 10.533vw}.mi .btn-zhuge{border-radius:6vw;border:1px solid #c75353;color:#c75353}