@charset "utf-8";
*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
/*课程介绍 轮播*/
.friend{height:413px;margin:0 auto;overflow:hidden;width:1125px;}
.mr_frbox{height:407px;padding:24px 0px 0px;}
.mr_frBtnL{cursor:pointer;display:inline;float:left;height:46px;margin:140px 10px 0 0;width:28px;}
.mr_frUl{float:left;height:202px;width:1047px;margin-left:10px;}
.mr_frBtnR{float:right;margin-top:140px;cursor:pointer;width:28px;height:46px;}
.mr_frUl ul li{display:inline;float:left;/*height:389px;*/width:300px;overflow:hidden;position:relative;}
.mr_frUl ul li a img{/*display:block;*/width:100%;height:320px}
.mr_zhe{width:300px;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;}
.slider_p {
    position: absolute;
   bottom: 0px;
    left: 0;
    z-index: 99;
    background: #0d0d0d54;
    width: 92%;
    color: #fff;
    line-height: 40px;
    text-align: center;
}
.slider_a,
.img-silderbox {
    width: 100%;
    display: inline-block;
padding:0 10px;
}
.img-silderbox {
    position: relative;
    position: absolute;
    bottom: 0px;
    padding: 10px;
}

@media screen and (max-width: 763px) {
.silder_m{
width:260px;
overflow:hidden;
}
.slider_a {
    padding: 0 25px;
height:300px;
}
.slider_p {
width:80%;}
}