.position{
	width:1100px!important;
	height:auto;
	overflow: hidden;
	margin:0 auto;
	margin-top:15px;
	border:none!important;
}
.bg{
	background:#f4f4f4;
}
.position ul{
	float: right;
}
.nav-content{
	background:#fff;
}
.stu-banner{
	display:block;
	width:100%;
	max-width:1920px;
	height:450px;
	text-align:center;
	overflow:hidden;
	margin:0 auto;
	min-width:1200px;
}
.main-content{
	width:100%;
	margin:35px auto 0px;
}
.stu-nav{
	width:1100px;
	height:65px;
	margin:0 auto;
	margin-bottom:10px;
}
.stu-nav ul{
	width:100%;
	height:65px;
	background:#fff;
	padding-top:10px;
}
.stu-nav ul li{
	float:left;
	width:120px;
	cursor:pointer;
	height:45px;
	color:#333333;
	margin-right:40px;
	background:url(../images/left_nav_bg1.png)no-repeat;
}
.stu-nav h2{
	display:block;
	height:45px;
	line-height:45px;
	text-align:center;
	font-size:16px;
	font-weight:normal;
}
.stu-nav ul li:hover,.stu-nav ul li.active{
	width:120px;
	height:45px;
	background:url(../images/left_nav_hover_bg.png)no-repeat;
	color:#fff;
}

.item-block{
	margin:0 auto;
	margin-top:30px;
	width:100%;
	background:url(../images/bt_bg.png)no-repeat;
}
.item-top{
	width:1100px;
	margin:0 auto;
	height:75px;
}
.item-block h2{
	height:33px;
	line-height:33px;
	font-size:24px;
	color:#333;
	font-weight:normal;
	padding-bottom:10px;
	box-sizing:content-box;
}
.item-block h2 p{color:#1886de;font-size:24px;}
.item-title{
	vertical-align:middle;
	display:inline-block;
	width:55px;
	height:34px;
	background:url(../images/title-ico.gif) no-repeat;
	color:#fff;
	font-size:18px;
	padding:6px 0 0 8px;
	font-weight:bold;
	letter-spacing:3px;
}
.kb-list{
	width:1100px;
	margin:0 auto;
	overflow: hidden;
}
.kb-list li{
	width:240px;
	height:220px;
	overflow:hidden;
	margin-top:20px;
	margin-right:46px;
	float: left;
	background:#fff;
	text-align:center;
}
.kb-list li:nth-child(4n){
	margin-right:0px;
}
.kb-list h6{
	white-space:nowrap;
	font-size:18px;
	color:#333;
	font-weight:normal;
	line-height:45px;
}
.kb-img{
	width:240px;
	height:186px;
}
.stu-block{
	width:1100px;
	margin:0 auto;
	margin-top:20px;
	height:460px;
}
.slide-div{
	display:inline-block;
	width:614px;
	height:404px;
	margin-top:36px;
	position:relative;
}
.slide1{
	display:inline-block;
	width:590px;
	height:404px;
	margin-top:27px;
	position:relative;
}
.slideBox {
    width:575px;
    height: 300px;
    overflow: hidden;
    position: absolute;
    margin: 0;
    top: 39px;
    left: 20px;
}
.slideBox .hd{position:absolute;width:100%; bottom:10px; z-index:1; }
.slideBox .hd ul{ overflow:hidden; zoom:1; margin-top:8px;text-align:center;margin:0 auto;}
.slideBox .hd ul li{display:inline-block;width:12px;height:12px;margin:0 3px;text-indent:-999px;cursor:pointer;background-color:#fff;border-radius:100%;filter:alpha(opacity=70);-moz-opacity:0.7;opacity:0.7;}
.slideBox .hd ul li.on{background-color:#d11804;}
.slideBox .bd{ position:relative;width:575px; height:100%; z-index:0;}
.slideBox .bd li{ zoom:1; vertical-align:middle; }
.slideBox .bd img{ width:614px; height:300px; display:block;  }
.slide-bg{
	position:absolute;
	top:0px;
	width:614px;
	height:378px;
	background:url(../images/slide-popup1.png) no-repeat;
}
.slide1 .slideBox{
	width:425px;
	height:300px; overflow:hidden; position:absolute;margin:0;top:37px;left:54px;
}
.slide1 .slide-bg{
	position:absolute;
	top:0px;
	width:590px;
	height:404px;
	background:url(../images/slide-popup.png) no-repeat;
}
.slide1 .slideBox .bd{ position:relative; height:100%; z-index:0;}
.slide1 .slideBox .bd img{ width:100%; height:300px; display:block;  }
.news-list{
	vertical-align:top;
	margin:75px 0 0 30px;
	display:inline-block;
	width:400px;
}
.news-list li{
	height:50px;
	line-height:50px;
	white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
	font-size:18px;
}
.news-list li a{
	color:#333;
}
.work-block{
	margin-top:20px;
	height:676px;
	background:url(../images/work-bg.jpg) no-repeat;
}
.work-ul{
	margin:0 auto;
	text-align:center;
}
.work-ul li{
	display:inline-block;
	width:287px;
	height:576px;
	margin:38px 25px 0;
	padding:64px 0 0 0;
	background:url(../images/phone-bg.png) no-repeat;
}
.work-ul img{
	width:255px;
	height:450px;
}
.word-block{
	width:1100px;
	height:auto;
	overflow:hidden;
	margin:0 auto;
	text-align:center;
	margin-top:20px;
}
.word-block img{
	width:100%;
}
.video-block{
	width:1100px;
	margin:0 auto;
	margin-top:20px;
}
.video-ul{
	text-align:justify;
}
.video-ul li{
	display:inline-block;
	width:356px;
	height:340px;
	margin-bottom:30px;
	background:url(../images/yw_s_bg.png)no-repeat;
}
.video-ul li img{
	width:323px;
	height:181px;
	margin-top:14px;
	margin-left:16px;
}
.img-div{
	width:380px;
	height:255px;
	position:relative;
	cursor:pointer;
}
.play-ico{
	position:absolute;
	top:66px;
	left:136px;
	display:none;
	width:51px!important;
	height:51px!important;
}
.video-ul li p{
	margin-top:50px;
	text-align:Center;
	overflow:hidden;
	white-space:nowrap;
	text-overflow:ellipsis;
	color:#333;
	font-size:15px;
}
/*视频弹窗*/
.popup-bg{
	width:100%;
	height:100%;
	background:rgba(0,0,0,0.3);
	position:fixed;
	top:0px;
	display:none;
	z-index:99;
}
.popup{
	width:622px; 
	height:auto;
	background-color:#fff;
	position:absolute;
	z-index:100;
	border:1px solid #ebeaea;
	left:400px;
	top:20px;
	display:none;
}
.popup-nav{
	width:622px;
	height:46px;
	background-image: url(../images/popup_top_bj.jpg);
	border-bottom:1px solid #ebeaea;
	position:relative;
}
.guanbi {
	background:url(../images/popup_guanbi.png) repeat 0px 0px;
	width:35px;
	height:35px;
	display:block;
	position:absolute;
	top:8px;
	right:10px;
	cursor:pointer;
}
.guanbi:hover {
	background-position:0px -35px;
}
.video-show{
	width:532px;
	height:auto;
	padding:10px;
}
.jy1{
	position:relative;
}
.jy1 .jy{
	position:absolute;
	top:0px;
	left:0px;
	width:100px;
	margin:0px!important;
	
}
.foot{
	margin-top:0px!important;
}