html,body{
	height:100%;
}
body{
	/*background-color: #31708f;*/
}
.page-head {
	width: 100%;
	height: 200px;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 1000;
}
.main{
	width:80%;
	/*background-color: #ffffff;*/
	margin:0 auto;
	min-height: calc(100% - 230px);
	margin-top:10px;
}
.header-nav{
	height: 100px;
	width: 100%;
	position: fixed;
	bottom:0;
	
}
.header-nav li{
	width:48%;
	text-align: center;
	
	


}
.main_ad img{
	width:100%;
	height:150px;
	position: absolute;
	top:0;
	left:0;
}
.main_ad{
	width:80%;
	margin:0 auto;
	height:150px;
	position: relative;
	background-color: #ffad5b;
}
.footer{
	font-size:18px;
	line-height:80px;
	padding:0 10%;
	background-color: #000000;
	color:#ffffff;
	height:80px;
}
.content{
	/*margin:10px 0;*/
}

.letter{
	background: url(../images/bj.jpg) no-repeat;
	background-size: cover;
	text-indent:2em;
	padding:0 50px;
	line-height: 25px;
	font-size: 16px;
	text-align: justify;
}
.content p{
	margin:0;
}
.letter-title{
	font-size:20px;
	font-weight: bold;
}
.letter-content{
	font-size:16px;
}
.download{
	padding-left:20px;
	margin:20px 0;
}
.download-title,.video-title,.anno-title{
	font-size:20px;
	font-weight: bold;
	margin:10px 0;
	height:30px;
}
.download ul li{
	height: 20px;
	line-height:20px;
	overflow:hidden;
}
.video{
	margin:10px 0;
}
.video-title{
	padding-left:20px;
}
.video-body > div{
	width:44%;
	margin:0 2%;
	float:left;
}
.video-body video{
	width: 100%;
}
.video-body > div >p{
	font-size:16px;
	text-align:center;
	font-weight:bold;
}
.inline{
	width:80%;
	margin:0 10%;
	/*float:left;*/

}
.outline{
	background: url(../images/bj2.jpg) no-repeat;
	background-size: cover;
	color:#ffffff;
	padding:3%;
	/*margin:20px 0;*/
	width:40%;
	margin:20px 10%;
}
.inline-title,.outline-title{
	font-size:16px;
	font-weight:bold;
}
.inline-content,.outline-content{
	font-size:14px;
	line-height: 24px;
}
.header-nav{
	font-size:20px;
	height:50px;
	width: 80%;
	margin: 0 auto;
}
.side-nav{
	position: fixed;
	top:200px;
	left: 2%;
}
.side-nav li{
	height:26px;
	padding:0 10px;
}

#menu ul li a {
    display: block;
    margin: 5px 0;
    font-size: 14px;
    font-weight: bold;
    color: #333;
    /*width: 80px;*/
    height: 26px;
    /*line-height: 50px;*/
    text-decoration: none;
    text-align: center;
    padding:0 10px;
}

#menu ul li a:hover,
#menu ul li a.current ,
.video-catalog li a:hover,
.video-catalog li a.current{
    color: #fff;
    background: #0088bb;
}
.video-content{
	width:70%;
	float:left;
}
.video-content video{
	width:100%;
}
.video-catalog{
	width:25%;
	float: right;
	height: 400px;
	overflow-y:scroll; 

}
.video-catalog p{
	font-size:18px;
	font-weight: bold;
}
.video-catalog li i,
.case-video-catalog li i{
	display: block;
	width: 10px;
	float: left;
	height: 20px;
	line-height: 20px;
	margin-right:5px;

}
.video-catalog li a,
.case-video-catalog li a{
	cursor: pointer;
	font-size: 16px;
	height: 20px;
	text-overflow: ellipsis;
	overflow: hidden;
	white-space: nowrap;
	display:block;
	color: #000000;
	/*margin-left:10px;
	float: left;*/
}
.video-catalog::-webkit-scrollbar
{
    width: 6px;
    height: 6px;
    background-color: #F5F5F5;
}
.video-catalog::-webkit-scrollbar-thumb{
	border-radius:10px;
	-webkit-box-shadow:inset 0 0 6px rgba(0,0,0,.3);
	background-color:#555;
}
.video-catalog::-webkit-scrollbar-track{
	-webkit-box-shadow:inset 0 0 6px rgba(0,0,0,0.3);
	border-radius:10px;
	background-color: #F5F5F5;
}
.letter-image {
	width:80%;
	margin:10px auto;

}
.letter-image p{
	text-align: center;
}
.download1,.download2{
	width:35%;
	margin-right:5%;
	float:left;
}
.anno{
	width:20%;
	float: left;
	height: 90px;
}
.left img{
    width:100%;
    height:100%;
    /*position: absolute;
    top:0;
    left:0;*/
}
.left{
	width:200px;
    height:calc(100% - 220px);
    /*margin:0 auto;*/
    /*height:150px;*/
    position: fixed;
    top:200px;
    left:10%;
    /*height: 600px;*/
    /*background-color: #ffad5b;*/
    border-right: 1px solid #337ab7;
}
.middle-content{
    position: absolute;
    top:0;
    left:220px;
    width:calc(100% - 250px);
}
.intro{
	width:100%;
	min-height:50px;
}
.anno-content {
	height: 60px;
	overflow: hidden;
}
.anno-content li {
	height: 20px;
	line-height: 20px;
}
.left-nav {
	position: fixed;
	top: 200px;
	left: 10%;
	width: 200px;
}
.left-nav .left-nav-head {
	padding:5px 15px;
}
.left-nav ul {
	padding:0;
}
.left-nav .panel-body {
	padding: 0;
}
.left-nav ul li:hover {
	cursor: pointer;
	text-decoration: underline;
}
.left-nav ul li {
	margin-top: 5px;
}
.left-nav-active {
	background-color: #ffad5b;
}
.left-nav-head i {
	float:right;
}
.back {
	width:200px;
	height: 34px;
	line-height: 34px;
	font-size: 16px;
}



.content .case-title {
	text-align: center;
	font-size:18px;
	font-weight:bold;
	margin: 10px 0 20px 0;
}
.case-content {
	font-size:16px;
	text-indent:2em;
	line-height: 26px;
	margin-top:5px;
}
.case-download {
	font-size:16px;
	margin-top:10px;
}
.case-download a{
	margin-left: 10px;
}
.case-signal-video {
	width:80%;
	margin:10px auto;
}
.case-signal-video video,
.case-video-content video {
	width:100%;
}

.case-signal-video img {
	width: 100%;
}
.case-signal-video .img-intro {
	width: 100%;
	margin:5px 0;
	text-align: center;
	font-size: 16px;
	font-weight: bold;
}

.case-video {
	margin:20px 0;
}
.case-video-catalog {
	float: left;
	width:25%;
	margin-right: 5%;
	max-height:150px;
	overflow-y:auto;
	overflow-x: hidden;
}
.case-video-content {
	float:left;
	width:70%;
}
.footer img {
	float: right;
}
.side-content li {
	list-style-type: disc;
}



/*course*/
.s-thirdItem {
  font-size:14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/*case 轮播*/
.img-slide {
	position: relative;
	width: 100%;
}

.img-slide img {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 180px;
	background-color: #ffad5b;
}