.content_video{
	max-width: 1400px;
	margin: 20px auto;
	background: #2d2d2d;
	overflow: hidden;
}
.content_bv{
	max-width: 1400px;
	margin: 20px auto;
	
	overflow: hidden;
}
.content_bv h3{
	font-size: 24px;
}
.content_video ul{
	width: 1120px;
	float: right;
}
.content_video ul li{
	display: none;
}
.content_video ol{
	height: 620px;
	overflow-y:auto
}
.content_video ol li{
	padding: 20px 10px;
	background: #383838;
	margin: 5px;
	color: #e1e1e1;
	font-size: 12px;
	cursor: pointer;
	
}
.video_dis{
	display: block !important;
}
.video_dis video{
	width: 100%;
	height: 620px;
}
.content_video ol li:hover{
	background: #595959;
	color: #1f90fb ;
	
}
.Lihove{
	background: #595959!important;;
	color: #1f90fb !important;;
	cursor: pointer;
}
.foot{
	position: fixed;
	bottom: 0;
}
@media screen and (max-width: 1430px) {
	.content_video{
		max-width: 1200px;
		margin: 20px auto;
		background: #2d2d2d;
		overflow: hidden;
	}
	.content_bv{
		max-width: 1200px;
		margin: 20px auto;
		
		overflow: hidden;
	}
	.content_video ul{
		width: 920px;
		float: right;
	}
	.content_video ul li{
		display: none;
	}
	.content_video ol{
		height: 515px;
		overflow-y:auto
	}
	.content_video ol li{
		padding: 20px 10px;
		background: #383838;
		margin: 5px;
		color: #e1e1e1;
		font-size: 12px;
		cursor: pointer;
		
	}
	.video_dis{
		display: block !important;
	}
	.video_dis video{
		width: 100%;
		height: 515px;
	}
}
@media screen and (max-width: 1240px) {
	.content_video{
		max-width: 1000px;
		margin: 20px auto;
		background: #2d2d2d;
		overflow: hidden;
	}
	.content_bv{
		max-width: 1000px;
		margin: 20px auto;
		
		overflow: hidden;
	}
	.content_video ul{
		width: 800px;
		float: right;
	}
	.content_video ul li{
		display: none;
	}
	.content_video ol{
		height: 435px;
		overflow-y:auto
	}
	.content_video ol li{
		padding: 20px 10px;
		background: #383838;
		margin: 5px;
		color: #e1e1e1;
		font-size: 12px;
		cursor: pointer;
		
	}
	.video_dis{
		display: block !important;
	}
	.video_dis video{
		width: 100%;
		height: 435px;
	}
}