body {
    width: 100%;
    height: 100%;
    background:#fff;
    overflow-x: hidden;
    font-family: PingFang-SC-Regular;
    margin: 0;
    text-align: center;
}
.sdkImg{
    width:100%;
}
.top1{
    margin-top:1.41rem;
}
.top2{
    margin-top:1.2rem;
}
.top3{
    margin:0.45rem 0;
}