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infinite}#common-landscape-center:after{content:'为了更好的体验，请使用竖屏浏览';display:block;color:#fff;text-align:center;font-size:.32em}#common-pc-center img{display:block;border:10px solid #fff;margin:0 auto 60px}#common-pc-center:before{content:'';display:block;position:absolute;left:50%;top:113px;width:50px;height:50px;margin-left:-25px;background:url(https://c.m.163.com/nc/qa/activity/tiewhitepaper20170628/img/common-pc-logo.png) center no-repeat;background-size:100% 100%;border-radius:9px}#common-pc-center:after{content:'为了更好的体验，请使用手机扫描二维码浏览';display:block;color:#fff;text-align:center;font-size:20px}#common-share{background:url(https://c.m.163.com/nc/qa/activity/tiewhitepaper20170628/img/common-share-tip.png) right top no-repeat,rgba(0,0,0,.6);background-size:60% auto}.common-container{position:absolute;left:0;top:0;width:750px;height:100%}#loading,body,html{width:100%;height:100%}@-webkit-keyframes 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