/*课程介绍 轮播*/
.friend{height:230px;margin:0 auto;overflow:hidden;width:1300px;}
.mr_frbox{height:200px;padding:24px 0px 0px;position:relative}
.mr_frBtnL{cursor:pointer;display:inline;float:left;height:28px;margin:160px 10px 0 0;width:90px;position:absolute;bottom:0px;left:540px;}
.mr_frUl{float:left;height:202px;width:1200px;margin-left:10px;}
.mr_frBtnR{float:right;margin-top:160px;cursor:pointer;width:90px;height:28px;position:absolute;bottom:0px;right:540px;}
.mr_frUl ul li{display:inline;float:left;/*height:389px;*/width:199px;overflow:hidden;position:relative;text-align:center;}
.mr_frUl ul li a img{/*display:block;*/}
.mr_zhe{margin-top:40px;}