.c-nav{background:#FAFAFA;z-index:1;top:0;position:absolute;width:100%;height:54px;border-bottom:1px solid #dadada;z-index:100}.c-nav .top-title{position:absolute;left:50%;margin-left:-600px;line-height:54px;font-size:24px;color:inherit;font-family:PingFangSC-Thin,"\5FAE\8F6F\96C5\9ED1","Hiragino Sans GB",arial}.c-nav .top-title.show{display:block!important}.c-nav .top-subtitle{font-size:14px;color:#b8b8b8}.c-nav ul{position:absolute;right:50%;margin:0 auto;margin-right:-600px;line-height:53px;vertical-align:middle;list-style:none;text-align:right}.c-nav ul li{display:inline-block;position:relative;padding:0 16px;font-size:16px;border-bottom:2px solid transparent;cursor:pointer}.c-nav ul li:hover,.c-nav ul li.current{border-bottom-color:#19a97b}.c-nav.dark{background:#4c4c4c;color:#fff;border-bottom-color:#4c4c4c}.c-nav.darkblue{background:#2E3A4B;color:#fff;border-bottom-color:#2E3A4B}.c-nav.translucent{background:rgba(0,0,0,.7);color:#fff;border-bottom:0}