.teaching-video{background-color:#ffffff;padding-top:50px;
}
.teaching-video .tea-video-title{margin:20px auto 50px;
}
.teaching-video .tea-video-title .tea-video-h1{font-size:30px;color:#ef7700;height:50px;line-height:50px;
}
.teaching-video .tea-video-title .tea-video-h3{font-size:16px;color:#666666;
}
.teaching-video .tea-video-cont{margin-bottom:0px;
}
.teaching-video li{list-style: none;}
.video{width:1200px;height: 610px;margin:0 auto;overflow: hidden;zoom:1;background: #ffffff;}
.video>div{float: left;height: 600px;}
.video>div:first-child {width: 5%;background: url(../cms/buxunhuan/images/left_ico.png) center center no-repeat;}
.video>div:last-child {width: 5%;background: url(../cms/buxunhuan/images/right_ico.png) center center no-repeat;}
.video>div:nth-of-type(2){width: 90%;}
.video ul{position: relative;}
.video li{transition: all .6s; position: absolute;background: url(../../video/20.png) center center no-repeat;background-size: 100% 100%;}
/*.video li>div{padding: 1% 1% 4%;}*/
.video li video{width:100%;height:100%;}
.video li h3{text-align: center;margin-top: 2px;color: #1766d7;}
.video li:nth-of-type(1) video{background: url(../../video/20.png) no-repeat;background-size: cover;}
.video li:nth-of-type(2) video{background: url(../../video/20_2.png) no-repeat;background-size: cover;}
.video1{width: 1080px;height: 600px; top: 0px;left: 0px; z-index: 2;}
.video2{width: 1080px;height: 600px; top: 0px;left: 0px; z-index: 1;}