*{margin:0;padding:0;list-style-type:none;}

a,img{border:0;}

body{font:12px/180% Arial, Helvetica, sans-serif, "新宋体";}

/*课程介绍 轮播*/

.friend{height:340px;margin:0 auto;overflow:hidden;width:1100px;}

.mr_frbox{height:330px;padding:24px 0px 0px;}

.mr_frBtnL{cursor:pointer;display:inline;float:left;height:46px;margin:120px 10px 0 0;width:28px;}

.mr_frUl{float:left;height:202px;width:940px;margin-left:10px;}

.mr_frBtnR{float:right;margin-top:120px;cursor:pointer;width:28px;height:46px;}

.mr_frUl ul li{margin-right:20px;display:inline;float:left;/*height:389px;*/width:235px;overflow:hidden;position:relative;}

.mr_frUl ul li a img{/*display:block;*/width:100%;}

.mr_zhe{width:280px;position:absolute;top:0;background:rgba(78, 164, 181, 0.35) 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;}