.content-section{width:1140px;margin:0 auto}
.content-section .left-aside{width:260px;float:left}
.content-section .left-aside a{font-size:20px;line-height:30px;display:block;padding-left:15px;border-left:5px solid transparent;color:#888;margin-bottom:30px}
.content-section .left-aside .current{border-left:5px solid #F6A623;color:#F6A623}
.content-section .main-content{float:right;width:840px;color:#4A4A4A;padding-bottom:160px}
.content-section .main-content h1{font-size:24px;line-height:38px}
.content-section .main-content .tc{text-align:center}
.content-section .main-content .title-plus{color:#9B9B9B}
.content-section .main-content .pure-content p{margin-top:26px;font-size:18px;line-height:26px}
.content-section .core-img{position:relative;margin-bottom:80px}
.content-section .core-img .reserve-link{position:absolute;left:50%;top:50%;width:133px;height:40px;line-height:36px;font-size:20px;border-radius:20px;border:1px solid #fff;color:#fff;margin:-20px 0 0 -62px;text-align:center}
.content-section .core-img .reserve-link:hover{background:#93cc4a}
.content-section .core-img .squ{width:241px;height:130px;background:#F6A623;color:#fff;position:absolute;left:-60px;bottom:-50px}
.content-section .core-img .squ .ico{height:31px;font-size:20px;line-height:31px;background:url(/static/html/course/img/icon_arraw_white_943b5f6.png) no-repeat left 50%;padding-left:30px;margin-left:65px;margin-top:34px}
.content-section .core-img .squ .txt{font-size:18px;color:#fff;text-align:center;margin-top:6px;opacity:.8}