@media screen and (min-width: 760px) {
	.banner {
		width: 100%;
		overflow: hidden;
	}
	.banner img {
		width: 100%;
	}
	.Mbanner {
		display: none;
	}
	.container {
		width: 1200px;
		margin: 0 auto;
	}
	.list_nav {
		width: 100%;
		background: #fff;
		padding: 20px 0 30px;
	}
	.list_title {
		padding: 20px 0;
		border-bottom: 1px solid #000;
		font-size: 24px;
		letter-spacing: 2px;
	}
	.list {
		width: 100%;
		overflow: hidden;
	}
	.video_content {
		padding: 30px 0;
	}
	.videos {
		width: 1200px;
		margin: 0 auto;
		overflow: hidden;
	}
	.common_video_box {
		width: 270px;
		/*height: 280px;*/
		float: left;
		margin-right: 40px;
		display: block;
		cursor: pointer;
	}
	.common_video_box .common_video_box_img {
		width: 270px;
		height: 150px;
		overflow: hidden;
	}
	.common_video_box .common_video_box_img img {
		width: 100%;
	}
	.common_video_box_title {
		width: 100%;
		height: 56px;
		/* padding: 10px 0; */
		box-sizing: border-box;
		line-height: 28px;
		overflow: hidden;
		font-size: 18px;
		margin: 10px 0;
		text-overflow: -o-ellipsis-lastline;
		overflow: hidden;
		text-overflow: ellipsis;
		display: -webkit-box;
		-webkit-line-clamp: 2;
		line-clamp: 2;
		-webkit-box-orient: vertical;
	}
	.play_message {
		width: 100%;
	}
	.play_message_left_num,
	.play_time {
		width: 50%;
		float: right;
		font-size: 14px;
		color: #a0a0a0;
	}
	.play_time {
		text-align: right;
	}
	.common_video_box:nth-of-type(4n) {
		margin-right: 0;
	}
	.play_message_left_num {
		display: none;
	}
	.footer {
		width: 100%;
		height: 200px;
		background: #0064d4;
		display: flex;
		align-items: center;
	}
	.footer p {
		text-align: center;
	}
	.footer p a {
		font-size: 20px;
		font-family: "微软雅黑";
		color: #fff;
		text-align: center;
	}
}

@media screen and (max-width: 760px) {
	.banner {
		display: none;
	}
	.Mbanner {
		width: 100%;
		overflow: hidden;
	}
	.Mbanner img {
		width: 100%;
	}
	.container {
		width: 85%;
		margin: 0 auto;
	}
	.list_nav {
		width: 100%;
		background: #fff;
		padding: 0.2rem 0 0.3rem;
	}
	.list_title {
		padding: 0.2rem 0;
		border-bottom: 0.02rem solid #000;
		font-size: 0.35rem;
		letter-spacing: 0.02rem;
	}
	.list {
		width: 100%;
		overflow: hidden;
	}
	.video_content {
		width: 100%;
		padding: 0.2rem 0;
	}
	.videos {
		width: 100%;
		margin: 0 auto;
		overflow: hidden;
	}
	.common_video_box {
		width: 100%;
		/*height: 6.3rem;*/
		display: block;
		overflow: hidden;
		position: relative;    padding: 0.2rem 0;
    border-bottom: 0.02rem dashed #000;
	}
	.common_video_box .common_video_box_img {
		width: 100%;
		height: 3.5rem;
		overflow: hidden;
	}
	.common_video_box_title {
		width: 6.5rem;
		/*height: .96rem;*/
		padding: 0 .15rem;
		box-sizing: border-box;
		line-height: .48rem;
		overflow: hidden;
		font-size: .3rem;
		margin-top: .3rem;
		text-overflow: -o-ellipsis-lastline;
		overflow: hidden;
		text-overflow: ellipsis;
		display: -webkit-box;
		-webkit-line-clamp: 2;
		line-clamp: 2;
		-webkit-box-orient: vertical;
	}
	.common_video_box .common_video_box_img img {
		width: 100%;
		height: 100%;
	}
	.play_message {
		width: 6.5rem;
		height: .44rem;
		padding: 0 .15rem;
		box-sizing: border-box;
		line-height: .44rem;
		overflow: hidden;
		font-size: .38rem;
	}
	.play_message_left_num,
	.play_time {
		width: 50%;
		float: left;
		font-size: .22rem;
		color: #a0a0a0;
	}
	.play_message_left_num {
		visibility: hidden;
		opacity: 0;
	}
	.play_time {
		text-align: right;
	}
	.footer {
		width: 100%;
		height: 2rem;
		background: #0064d4;
		display: flex;
		align-items: center;
	}
	.footer p {
		text-align: center;
	}
	.footer p a {
		font-size: 0.2rem;
		font-family: "微软雅黑";
		color: #fff;
		text-align: center;
	}
}