.conl2{background-color: #ffffff;border-top: solid 2px #FF9D00;border-bottom: solid 1px #EFEFEF;width: 1200px;margin: 0px auto;}

.conl2 dl{
    background: #f8f8f8;
    height: 50px;
    align-items: center;
    display: flex;
    padding: 4px 17px;
    box-sizing: border-box;
    font-size: 12px;
    color: #4C4A4B;
}
.conl2 a{
    color: #4C4A4B;
}

.conl2 ul{margin-left: 17px;border-bottom: dashed 1px #EFEFEF;height: 50px;overflow: hidden;}
.conl2 ul li{float: left;font-size: 14px;color: #4C4A4B;height: 22px;line-height: 22px;margin-top: 15px;padding: 0 7px;margin-right: 5px;}
.conl2 ul li.on{background-color: #FF9D00;color: #fff;}
.conl2 ul li.on a{color: #fff;}
.conl2 ul .conl21{font-weight: bold;padding: 0;margin-right: 0;}
.conl2 ul li a{color: #4C4A4B;display: block;height: 100%;}
.conl2 ul li a:hover{color: #FF9D00;}
.conl2 ul li.on a:hover{color: #fff;}


.xian{height: 3px;background-color: #FF9D00;}
/*内容开始*/
.content2{border: solid 1px #ECF1F7;padding: 14px;margin: 0 auto;position: relative;background: #ffffff;}
.content21{width: 580px;height: 370px;background-color: #000;}
.content22{margin-left: 40px;width: 495px;height: 370px;overflow: hidden;}
.content221{font-size: 28px;color: #FF9D00;font-weight: bold;font-family: '微软雅黑';margin-top: 29px;}
.content222{font-size: 16px;color: #545353;font-family: '微软雅黑';line-height: 39px;margin-top: 15px;}
.content223{width: 178px;text-align: center;height: 32px;line-height: 32px;border: solid 1px #FF9D00;margin-top: 23px;border-radius: 10px;-webkit-border-radius: 10px;-moz-border-radius: 10px;-o-border-radius: 10px;-ms-border-radius: 10px;overflow: hidden;}
.content223 a{display: block;height: 100%;font-size: 18px;color: #545353;font-family: '微软雅黑';}
.content223 a:hover{background-color: #FF9D00;color: #fff;}
.content23{position: absolute;top: 58px;right: 11px;cursor: pointer;}
.content3{margin-top: 30px;font-size: 20px;color: #FF9D00;margin-left: 24px;height: 32px;line-height: 32px;font-family: '微软雅黑';border-bottom: solid 3px #FF9D00;width: 93px;text-align: center;}
.content4{width: 100%;background-color: #FF9D00;height: 1px;margin-top: -2px;margin-bottom: 30px;}
.content5{width: 100%;position: relative;margin-bottom: 30px;padding: 0 52px;height: 204px;padding-top:16px;background-color: #ffffff;}
.qihang,.zygd,.qihang1,.zygd1{position: absolute;top: 57px;z-index: 5;opacity: 0.8;}
.qihang,.qihang1{left: 0;}
.zygd,.zygd1{right: 0;}
.qihang a,.qihang1 a{ background:url(/images/video/shuxue_12.png) no-repeat center center;}
.zygd a,.zygd1 a{ background:url(/images/video/shuxue_15.png) no-repeat center center;}
.qihang,.zygd,.qihang1,.zygd1,.qihang a,.qihang1 a,.zygd a,.zygd1 a{width:28px;height:43px; display:block}
.qihang a:hover,.qihang1 a:hover,.zygd a:hover,.zygd1 a:hover{opacity: 0.7;}

.xy{width:1096px;overflow:hidden;position:relative;height:180px;}
.xueyuan,.xueyuan1{ width:6650px; height:100%;position:absolute;left:0px;top:0px;overflow:hidden;}
.xy ul li{width:279px;float:left; overflow:hidden;height: 100%}
.xy ul li a{display: block;width: 258px;height: 150px;overflow: hidden;}
.xy ul li img{width: 100%;height: 100%;transition: all 1s ease;-webkit-transition: all 1s ease;-moz-transition: all 1s ease;-ms-transition: all 1s ease;-o-transition: all 1s ease;}
.xy ul li img:hover{
	transform: scale(1.15);
    -webkit-transform: scale(1.15);
    -moz-transform: scale(1.15);
    -ms-transform: scale(1.15);
    -o-transform: scale(1.15);
    transition: all 1s ease;
}
.xy ul li p{width: 258px;text-align: center;font-size: 14px;color: #1A1B1B;height: 20px;line-height: 20px;overflow: hidden;margin-top: 8px;}