@charset "gb2312";
html,body{width: 100%;height: 100%;max-height:100vh; max-width:100vw;background-color: #5ea8e7;}
.pr{position: relative;}
.pa{position: absolute;}
.code-bg {background-position: 0 center;max-height: 100vh !important;}
.header{background-color: #fff;height: 2.8125rem;display: -webkit-box;display: -moz-box;display: -ms-flexbox;display: -webkit-flex;display: flex;align-items: center;justify-content: space-between;}
.header .back{height: 2.8125rem; width: 2.8125rem;background: url(imgback.png) no-repeat center;background-size: 0.5625rem 1.0rem;}
.header .title{margin-left: -2.8125rem;}
.code{top:49%;left: 21%;width:36%;}