/*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */img,legend{border:0}body,html,svg:not(:root){overflow:hidden}body,sub,sup{position:relative}body,html{-webkit-text-size-adjust:100%}body,ul{margin:0}legend,td,th,ul{padding:0}html{font-family:sans-serif;-ms-text-size-adjust:100%}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,optgroup,strong{font-weight:700}dfn{font-style:italic}mark{background:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}figure{margin:1em 40px}hr{box-sizing:content-box;height:0}pre,textarea{overflow:auto}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}button,input,optgroup,select,textarea{color:inherit;font:inherit;margin:0}button{overflow:visible}button,select{text-transform:none}button,html input[type=button],input[type=reset],input[type=submit]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}input{line-height:normal}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{height:auto}input[type=search]{-webkit-appearance:textfield;box-sizing:content-box}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}table{border-collapse:collapse;border-spacing:0}body,html{width:100%;height:100%}body{font:28px/1.2 Heiti SC,Helvetica Neue,Helvetica,sans-serif;-webkit-tap-highlight-color:transparent;-webkit-overflow-scrolling:touch;-webkit-user-select:none}h2,p{line-height:48px}a,img{-webkit-touch-callout:none}ul{list-style:none}#common-landscape,#common-loading,#common-pc,#common-share{position:fixed;left:0;top:0;right:0;bottom:0;z-index:10000;display:none}#common-landscape-center,#common-loading-center,#common-pc-center{position:absolute;left:50%;top:50%;-webkit-transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}#common-loading{background-color:#fff}#common-landscape,#common-pc{background:#000}#common-landscape-center:before{content:'';display:block;width:1em;height:2em;margin:0 auto 1em;background:url(https://c.m.163.com/nc/qa/activity/tiewhitepaper20170628/img/common-landscape-phone.png) center no-repeat;background-size:100% 100%;-webkit-animation:common-landscape 2.4s ease infinite;animation:common-landscape 2.4s ease 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}h1,h2{font-family:PingFang-SC-Medium;font-size:40px;color:#333}#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:100vh;overflow:scroll}@-webkit-keyframes common-landscape{0%{-webkit-transform:rotate(90deg);opacity:0}15%{-webkit-transform:rotate(90deg);opacity:1}50%,85%{-webkit-transform:rotate(0);opacity:1}100%{-webkit-transform:rotate(0);opacity:0}}@keyframes common-landscape{0%{-webkit-transform:rotate(90deg);transform:rotate(90deg);opacity:0}15%{-webkit-transform:rotate(90deg);transform:rotate(90deg);opacity:1}50%,85%{-webkit-transform:rotate(0);transform:rotate(0);opacity:1}100%{-webkit-transform:rotate(0);transform:rotate(0);opacity:0}}.content{padding:0 40px;overflow:scroll}h1{margin:.67em 0;line-height:80px}p{font-family:PingFang-SC-Regular;font-size:30px;color:#333;margin-bottom:50px;word-wrap:break-word}p em{font-style:normal;font-weight:bolder}