.scan{height:100%;width:100%;background-color:#000}.scan .scan_header{position:absolute;z-index:9;left:0;top:0;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;height:2.048rem;color:#fff;text-decoration:none;padding:0 .3413333333rem}.scan .scan_header,.scan .scan_header .back{font-size:.7253333333rem}.scan #bcid{width:100%;position:absolute;top:2.048rem;bottom:2.048rem;text-align:center}