.help-doc .top-banner{height:180px;background-image:url(/_nuxt/img/9eda155.png);background-position:50%;line-height:180px;font-size:28px;color:#fff;text-align:center}.help-doc .help-container{width:1100px;padding:30px;margin:0 auto}.help-doc .help-container .help-item{margin-bottom:20px}.help-doc .help-container .help-item .help-tit{font-size:16px;margin-bottom:20px}.help-doc .help-container .help-item .item-box{padding:20px;border:1px solid #eee}.help-doc .help-container .help-item .item-box li{float:left;width:50%;line-height:36px}.help-doc .help-container .help-item .item-box li a{font-size:14px;color:#1a8cff}.help-doc .help-container .help-item .item-box li a:hover{color:#1a8cff;text-decoration:underline}.help-doc .help-container .help-item .item-box li a .before{font-size:12px;display:inline-block;-webkit-transform:scale(.8);transform:scale(.8)}