body{
	background-color: #f4f7f7;
}
.intro{
	margin: 60px auto;
}
.intro h1{
	font-size: 28px;
	text-align: center;
	margin-bottom: 30px;
}
.intro_brief{
	display: inline-block;
	position: relative;
	width: 374px;
	height: 399px;
	background-repeat: no-repeat;
	background-size: cover;	
	overflow: hidden;
}
.intro_brief:nth-of-type(2){
	margin: 0 29px;
}
.intro_wrap{
	width: 100%;
	height: 100%;
}
.active_intro,.intro_wrap:hover{
	background-color: rgba(16,128,255,0.82);
}
.intro_category,.intro_line,.intro_name,.intro_words{
	position: absolute;
	width: 100%;
	text-align: center;
	left: 0px;
}
.intro_category{
	top: 108px;
}
.intro_line{
	top: 200px;
}
.intro_name{
	top: 244px;
}
.intro_words{
	padding: 0 28px;
	font-size: 14px;
	color: #fff;
	line-height: 20px;
	text-align: left;
	top: 400px;
	opacity: 0;
}
.free_live{
	margin-top: 35px;
}
#jinkao_player{
	background-color: #000;
	width: 100%;
	height: 507px;
}
#jinkao_player embed{
	width: 100%;
	height: 507px;
	background-color: #000;
}
.free_videos p{
	display: inline-block;
	width: 25%;
	text-align: center;
	padding: 26px;
	font-size: 20px;
	background-color: #fff;
	border-right: thin solid #eee;
	cursor: pointer;
}
.free_videos p:nth-last-of-type(1){
	border: none;
}
.free_videos .active_live{
	background-color: #319EFF;
	color: #fff;
	background-image: url(../img/play_icon.gif);
	background-repeat: no-repeat;
	background-position: 30px 18px;
}