body{
	background:#f5f5f5;
}
.clearfix:before,.clearfix:after{
	display: table;
	content: '';
	clear: both;
}
.center{
	width: 1200px;
	margin: 0 auto;
	margin-bottom: 95px;
}
.column_title ul li{
	float: left;
	min-width: 50px;
	margin-top: 30px;
	font-weight: normal;
	font-size: 16px;
	color: #333333;
}
.img_margin{
	margin-top: -3px;
	margin-left: 16px;
	margin-right: 16px;
}
.img_noMagin{
	margin-left:0 !important;
}
.course-div{
	background: #fff;
	padding: 30px 30px 50px 30px;
	/* margin-top: 30px; */
	position: relative;
}
.img-div{
	float: left;
	position: relative;
	width: 600px;
	height: 350px;
	overflow: hidden;
}
.img-div img{
	width: 600px;
	height: 350px;
	background: #999;
}
.img-div:before{
	position: absolute;
	top: 130px;
	left: 255px;
	content: '';
	width: 90px;
	height: 90px;
	background: url(../../image/www/course/play.png) no-repeat center;
	background-size: cover;
}
.price_name{
	font-style: normal;
	font-weight: normal;
	font-size: 14px;
	color: #999999;
	display: inline-block;
	vertical-align: middle;
}
.column_ul{
	height: 49px;
}
.column_ul li{
	height: 100%;
}
.course-img{
	float: left;
	width: 525px;
	height: 350px;
	background: #999;
}
#iframeVideo{
	float: left;
	width: 600px;
	height: 350px;
}
.course-info{
	float: left;
	margin-left: 28px;
}
.course-info h1{
	font-size: 24px;
	font-weight: bold;
}
.course-info .fee{
	font-weight: bold;
	font-size: 26px;
	color: #ff4000;
	margin: 20px 0 28px;
}
.course-info .tag{
	font-size: 14px;
	color: #0958ce;
	padding: 6px;
	border: solid 1px #0958ce;
	margin-right: 8px;
}
.course-info .online,.offline{
	font-size: 14px;
	line-height: 40px;
	color: #333;
}
.course-info .service{
	width: 480px;
	height: 72px;
	text-align: justify;
	color: #666;
	/*margin: 24px 0 37px;*/
	line-height: 24px;
	margin: 18px 0;
}
.btn{
	display: inline-block;
	font-size: 18px;
	padding: 16px 40px;
	border: solid 1px #e91b05;
	border-radius: 4px;
	margin-right: 20px;
	color: #e91b05;
	cursor: pointer;
}
.btn.on,.btn:hover,.btn:focus{
	color: #fff !important;
	background: #e91b05;
}
.btn.off{
	color: #fff !important;
	background: #999 !important;
	border: #999 !important;
}
.upDate_div{
	position: absolute;
	bottom: 16px;
	left: 30px;
	font-weight: normal;
	font-size: 14px;
	color: #999999;
}
.course_detail{
	width: 100%;
	margin-top: 60px;
}
.detail_title{
	font-style: normal;
	font-weight: bold;
	font-size: 20px;
	color: #333333;
	margin-bottom: 20px;
}
.detail_text{
	width: 862px;
}
.detail_footer{
	width: 100%;
	position: relative;
	min-height: 20px;
}
.detail_footer>div{
	color: #666;
}
.detail_footer a{
	color: #666;
}
.lastPaper{
	position: absolute;
	left: 0;
	top: 0;
}
.nextPaper{
	position: absolute;
	right: 0;
	top: 0;
}
.detatil_content{
	width: 100%;
	padding: 40px;
	background-color: #fff;
	margin-bottom: 20px;
	box-sizing: border-box;
	overflow: hidden;
}
.content_title{
	width: 100%;
	padding: 0px 0 30px 0;
	text-align: center;
	font-style: normal;
	font-weight: bold;
	font-size: 24px;
	color: #333333;
}
.content_body{
	line-height: 25px;
}
.content_body img{
	max-width: 100% !important;
}
/* 热门课程 */
.hot_course{
	margin-top: 17px;
	margin-left: 28px;
}
.hot_name{
	font-style: normal;
	font-weight: normal;
	font-size: 12px;
	color: #999999;
}
.hot_list{
	padding: 20px;
	background-color: #fff;
	margin-bottom: 20px;
}
.hot_href{
	width: 270px;
	height: 180px;
}
.hot_href a{
	width: 100%;
	height: 100%;
}
.hot_href img{
	width: 100%;
	height: 100%;
}
.hot_courseName{
	max-width: 270px;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
	font-style: normal;
	font-weight: normal;
	font-size: 16px;
	color: #333333;
	margin: 10px 0 10px 0;
}
.hot_course p{
	margin-bottom: 10px;
}
/*相关课程*/
.related_courses{
	margin-top: 50px;
}
.related_title{
	margin-bottom: 10px;
}
.related_item{
	float: left;
	width: 285px;
	height: 254px;
	padding: 15px;
	background-color: #fff;
}
.relate_img{
	width: 255px;
	height: 170px;
}
.relate_img a{
	width: 100%;
	height: 100%;
}
.relate_img img{
	width: 100%;
	height: 100%;
}
.relate_margin{
	margin-right: 20px;
}
/**/
.cloumn_i{
	display: inline-block;
	width: 10px;
	height: 10px;
	margin: 0 5px;
}
.i_down{
	background: url(../../image/www/column/cl_icon_down.png) 0 0 no-repeat;
}
.i_up{
	background: url(../../image/www/column/cl_icon_down.png) 0 0 no-repeat;
	transform: rotate(180deg);
}
.cloumn_li{
	position: relative;
	cursor: pointer;
}
.cloumn_hover{
	display: none;
	width: 132px;
	/* height: 98px; */
	padding: 12px 10px;
	background-color: #FFFFFF;
	position: absolute;
	top: 23px;
	z-index: 99;
	box-shadow: 0px 1px 4px rgba(0, 0, 0, 0.1);
}
.cloumn_hover a:hover{
	color: #E91B05 !important;
}
.cloumn_hover a{
	display: block;
	width: 100%;
	margin-bottom: 12px;
}
.content_body a{
	color: #315efb;
}
.content_body a:hover{
	color: #315efb;
}
.content_body a, .content_body a:hover, .content_body a:focus,.content_body a:active {
    text-decoration: none;
    color: #315efb;
    outline: none;
}