body,html{
    height: 100%;
}
.box{
    width: 100%;
    height: 100%;
    background: #fff;
    position: relative;
}
.about_title_box{
    position: absolute;
    top: 20%;
    left: 50%;
    -webkit-transform: translate(-50%, 0);
    -moz-transform: translate(-50%, 0);
    transform: translate(-50%, 0);
    width: 100%;
    text-align: center;
}
.about_title_box span{
    background: url(/dev/product/www_v3/imgs/app_about_webview/about_logo.png) no-repeat center;
    background-size: 100%;
    width: 5.333333rem;
    height: 5.333333rem;
    display: inline-block;
    margin-bottom: 1.333333rem;
}
.about_title_box p{
    font-size: 1.25rem;
    text-align: center;
    color: #000;
    line-height: 2.0rem
}
.about_icp{
    color: #000;
    font-size: 1.0rem;
    text-align: center;
    position: absolute;
    bottom: 0.833333rem;
    left: 0;
    width: 100%;
}