body{margin:0}.header{background:#000}.header .content{width:1200px;margin:0 auto}.header .content img{padding:20px 15px}.upgrade{display:block;background-color:#fff;margin:0 auto;width:1200px}.upgrade .upgrade-icon{background-image:url(//storage-oss.ipin.com/sch-photo/ipin/misc/upgradeIE.png);background-repeat:no-repeat;background-position:0 0;width:72px;height:72px}.upgrade .upgrade-icon-chrome{background-position:-250px -24px}.upgrade .upgrade-icon-firefox{background-position:-361px -22px}.upgrade .upgrade-icon-ie{background-position:-469px -24px}.upgrade .upgrade-icon-qrcode{width:110px;height:110px;background-position:-561px -5px}.upgrade .upgrade-icon-rocket{width:134px;height:106px;background-position:-105px -22px}.upgrade .upgrade-icon-phone{width:28px;height:47px;background-position:-51px -36px}.upgrade .upgrade-button{display:block;margin:0 auto;width:160px;height:60px;line-height:60px;text-align:center;font-size:18px;text-decoration:none;color:#666;border:1px solid #aaa}.upgrade .upgrade-content{width:1200px;height:300px;margin:0 auto;margin-top:190px}.upgrade .upgrade-layout{margin:0 30px;float:left}.upgrade .upgrade-layout.upgrade-left-layout{margin-left:50px}.upgrade .upgrade-layout.upgrade-right-layout{width:260px}.upgrade .upgrade-layout .upgrade-header{position:relative;height:150px;text-align:center}.upgrade .upgrade-layout .upgrade-header.upgrade-left-header{margin-left:150px;width:630px}.upgrade .upgrade-layout .upgrade-header .upgrade-head{margin-bottom:18px;font-size:20px;color:#333}.upgrade .upgrade-layout .upgrade-header .upgrade-subhead{font-size:16px;color:#888}.upgrade .upgrade-layout .upgrade-header .upgrade-icon-rocket{position:absolute;left:-8px;top:-14px}.upgrade .upgrade-layout .upgrade-header .upgrade-icon-phone{margin:0 auto;margin-top:50px}.upgrade .upgrade-layout .upgrade-block{float:left;width:260px;height:280px;text-align:center}.upgrade .upgrade-layout .upgrade-block .upgrade-icon{margin:27px auto 25px}.upgrade .upgrade-layout .upgrade-block .upgrade-p{font-size:14px;margin-bottom:40px;color:#888}.upgrade .upgrade-layout .upgrade-block .upgrade-button:hover{background-color:#149eec;border-color:#149eec;color:#fff}.upgrade .upgrade-layout .upgrade-block .upgrade-qrcode-tips{font-size:18px;color:#666}.upgrade .upgrade-layout .upgrade-block .upgrade-qrcode-website{margin:32px 0 15px}