.about-banner-section{background:url(/static/html/course/img/banner_4c27a4b.png) no-repeat 50% 0;height:550px}
.about-banner-section .layout-row{width:1140px;padding-top:390px;color:#fff}
.about-banner-section .layout-row h2{font:48px/50px 'LiHei Pro'}
.about-banner-section .layout-row p{font:32px/34px ' ';opacity:.7;margin-top:20px}