*{padding:0;margin:0 auto}html,body{width:100%;height:100%;min-width:1200px}.wrap{position:relative;width:100%;height:100%;min-height:1100px;background-image:url(../images/pcback.jpg);background-position:center top;background-size:cover}.wrap .title{position:absolute;left:50%;top:120px;width:80px;height:520px;margin-left:-240px;background-image:url(../images/img37.png);background-position:center top;background-size:cover}.wrap .qrbox{position:absolute;left:50%;top:680px;width:100px;height:100px;margin-left:440px;padding:5px;background-color:#fff}.wrap .qrbox img{width:100%;height:100%}.wrap .phone{position:absolute;left:50%;top:100px;width:380px;height:942px;background-image:url(../images/phone.png);background-position:center top;background-size:cover}.wrap .phone iframe{width:100%;height:746px;border:15px solid transparent;border-radius:50px;overflow:hidden;box-sizing:border-box}