/*课程介绍 轮播*/
.friend{width:600px; height:auto;margin:0 auto;overflow:hidden;}
.mr_frbox{height:auto;padding:0px; position:relative;}
.mr_frBtnL{width:17px;height:21px; cursor:pointer;display:inline; position:absolute; top:60px; left:5px; z-index:50;}
.mr_frBtnR{width:17px;height:21px; cursor:pointer; position:absolute; top:60px; right:5px; z-index:50;}
.mr_frUl{width:600px; float:left; height:auto;}
.mr_frUl ul li{display:inline;float:left; width:195px;overflow:hidden;position:relative; padding-right:10px;}
.mr_frUl ul li a img{display:block; width:195px; height:150px;}
.mr_frUl ul li span a{display:block; width:100%; height:25px; line-height:25px; text-align:center; font-size:12px;}

.mr_zhe{width:220px;position:absolute;top:0;background:rgba(78, 164, 181, 0.65) none repeat scroll 0 0 !important;/*实现FF背景透明，文字不透明*/filter:Alpha(opacity=80);background:#4ea4b5;/*实现IE背景透明*//*height:389px;*/left:0;right:0;}
.mr_zhe_i h1{text-align:center;font-size:182px;height:138px;line-height:138px;margin-top:72px;margin-bottom:64px;font-weight:bold;color:#fff;}
.mr_zhe_p{margin-bottom:60px;}
.mr_zhe_p h3{text-align:center;font-size:15px;font-weight:bold;color:#fff;line-height:30px;}
.mr_zhe_p h3 span{display:block;margin:0 auto;width:260px;font-size:18px;border-bottom:1px solid #f4f4f4;}
.mr_zhe_hover{bottom:-596px;height:200px;position:absolute;width:300px;background:rgba(0, 0, 0, 0.5) none repeat scroll 0 0 !important;/*实现FF背景透明，文字不透明*/filter:Alpha(opacity=80);background:#0a0a0a;/*实现IE背景透明*/}
.mr_zhe_hover h1{text-align:center;height:40px;line-height:40px;margin:22px 0;color:#fff;}