.video-content {
	width: 100%;
	overflow: hidden;
	padding: 80px 0 0;
}
.video-title {
	width: 100%;
	overflow: hidden;
	line-height: 50px;
	background-color: #ebebeb;
}
.video-title p {
	width: 1570px;
	overflow: hidden;
	color: #6f6f6f;
	margin: 0 auto;
}
.video-title p a {
	color: #6f6f6f;
}
.video-title p a:hover {
	color: #D0000E;
	text-decoration: underline !important;
}
.video-content ul {
	width: 100%;
	overflow: hidden;
	padding: 60px 0 0;
}
.video-content ul li {
	width: calc(25% - 21px);
	width: -moz-calc(25% - 21px);
	width: -webkit-calc(25% - 21px);
	overflow: hidden;
	float: left;
	color: #6f6f6f;
	font-size: 16px;
	transition: all 0.5s;
	cursor: pointer;
}
.video-content ul li:nth-of-type(4n+1),.video-content ul li:nth-of-type(4n+2),.video-content ul li:nth-of-type(4n+3) {
	margin: 0 28px 30px 0;
}
.video-content ul li:nth-of-type(4n){
	margin: 0 0 30px;
}
.video-content ul li .video-img {
	width: 100%;
	overflow: hidden;
	margin: 0 0 10px;
}
.video-content ul li .video-img img {
	width: 100%;
	transition: all 0.5s;
}
.video-content ul li p {
	width: 100%;
	height: 25px;
	line-height: 25px;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
}
.video-content ul li:hover {
	color: #D0000E;
	font-weight: bold;
}
.video-content ul li:hover .video-img img {
	transform: scale(1.1);
}
@media only screen and (max-width: 991px) {
	.video-content {
		padding: 130px 0 0;
	}
	.video-title p {
		width: 668px;
	}
	.video-content ul li {
		width: calc(33.33% - 20px);
		width: -moz-calc(33.33% - 20px);
		width: -webkit-calc(33.33% - 20px);
	}
	.video-content ul li:nth-of-type(3n+1), .video-content ul li:nth-of-type(3n+2) {
	    margin: 0 30px 30px 0;
	}
	.video-content ul li:nth-of-type(3n) {
	 	margin: 0 0 30px;
	}
}
@media only screen and (max-width: 680px) {
	.video-content {
		padding: 65px 0 20px;
	}
	.video-title p {
		width: 325px;
	}
	.video-content ul {
	    padding: 30px 0 0;
	}
	.video-content ul li {
		width: calc(50% - 8px);
		width: -moz-calc(50% - 8px);
		width: -webkit-calc(50% - 8px);
		font-size: 14px;
	}
	.video-content ul li:nth-of-type(2n+1) {
	    margin: 0 16px 15px 0;
	}
	.video-content ul li:nth-of-type(2n) {
	 	margin: 0 0 15px;
	}
	.video-content ul li .video-img {
		margin: 0 0 8px;
	}
}
@media only screen and (min-width: 992px) {
	.video-title p {
		width: 970px;
	}
}
@media only screen and (min-width: 1300px) {
	.video-title p {
		width: 1270px;
	}
}
@media only screen and (min-width: 1600px) {
	.video-title p {
		width: 1570px;
	}
}
/*弹出视频的样式*/
.video-mask {
	width: 100%;
	height: 100%;
	background-color: rgba(0,0,0,0.8);
	position: fixed;
	left: 0;
	top: 0;
	display: none;
	z-index: 100000;
}
.video-mask ul {
	width: 40px;
	height: 40px;
	overflow: hidden;
	position: absolute;
	right: 50px;
	top: 40px;
	cursor: pointer;
}
.video-mask ul li {
	width: 100%;
	height: 4px;
	border-radius: 2px;
	background-color: #FFFFFF;
	overflow: hidden;
	position: absolute;
	left: 50%;
	top: 50%;
	margin: -2px 0 0 -20px;
	transform: rotate(45deg);
}
.video-mask ul li:last-of-type {
	transform: rotate(-45deg);
}
.video-mask video {
	width: 100%;
	margin: 100px 0;
}
@media only screen and (max-width: 680px) {
	.video-mask ul {
		width: 30px;
		height: 30px;
		right: 15px;
		top: 20px;
	}
	.video-mask ul li {
		height: 2px;
		margin: -1px 0 0 -15px;
	}
	.video-mask video {
		margin: 150px 0;
	}
}