/* 超小设备（手机，小于 768px） */
@media (max-width: 768px) {
	.about{
		margin:0 15px;
	}
	.about-company-title{
		position: relative;
	}
	.about-company-title h1{
		padding:6px 0;
		font-size:18px;
		font-weight: normal;
	}
	.about-company-title span{
		display: inline-block;
		padding:2px 15px;
		height:1px;
		background: #e6e6e6;
	}
	.about-company-intro{
		margin:5px 0;
	}
	.about-company-intro p{
		font-size:14px;
		padding:5px 0;
		line-height:24px;
		text-align: left;
	}
	.about-company-news{
		margin:10px 0;
	}
	
	.news-list{
		overflow: hidden;
		margin:20px 0;
	}
	
	.news-list-l{
		width:100%;
		padding-bottom:10px;
	}
	.news-list-l img{
		width: 100%;
		height:auto;
		vertical-align: middle;
	}
	.news-list-l video{
		width: 100%;
	}
	.news-list-l p{
		font-size:16px;
		line-height:24px;
		padding:5px 0;
		text-align: left;
	}
	.news-list-l span{
		color:#999;
	}
	.news-list-r{
		
	}
	.news-list-r p{
		font-size:16px;
		line-height:24px;
		padding:5px 0;
		text-align: left;
	}
	.news-list-r span{
		color:#999;
	}
	.news-list-r img{
		width: 100%;
		height:auto;
		vertical-align: middle;
	}
	.news-list-r video{
		width: 100%;
	}
}

/* 小型设备（平板电脑，768px 起） */
@media (min-width: 768px) and (max-width: 1200px) {
	.about{
		margin:0 20px;
	}
	.about-company-title{
		position: relative;
	}
	.about-company-title h1{
		padding:8px 0;
		font-size:20px;
		font-weight: normal;
	}
	.about-company-title span{
		display: inline-block;
		padding:2px 15px;
		height:1px;
		background: #e6e6e6;
	}
	.about-company-intro{
		margin:10px 0;
	}
	.about-company-intro p{
		font-size:15px;
		padding:5px 0;
		line-height:24px;
		text-align: left;
	}
	.about-company-development{
		margin:15px 0;
	}
	
	.news-list{
		overflow: hidden;
		margin:20px 0;
	}
	.news-list-l{
		float: left;
		width:48%;
		height: auto;
	}
	.news-list-l img{
		width: 100%;
		height:auto;
		vertical-align: middle;
	}
	.news-list-l video{
		width: 100%;
		height: auto;
	}
	.news-list-l p{
		font-size:16px;
		line-height:24px;
		padding:5px 0;
		text-align: left;
	}
	.news-list-l span{
		color:#999;
	}
	.news-list-r{
		margin-left:52%;
	}
	.news-list-r p{
		font-size:16px;
		line-height:24px;
		padding:5px 0;
		text-align: left;
	}
	.news-list-r span{
		color:#999;
	}
	.news-list-r img{
		width: 100%;
		height:auto;
		vertical-align: middle;
	}
	.news-list-r video{
		width: 100%;
		height: auto;
	}
}
/* 大型设备（大台式电脑，1200px 起） */
@media (min-width: 1200px) {
	.about{
		width:1200px;
		margin:0 auto;
	}
	.about-company-title{
		position: relative;
	}
	.about-company-title h1{
		padding:10px 0;
		font-size:24px;
		font-weight: normal;
	}
	.about-company-title span{
		display: inline-block;
		padding:2px 15px;
		height:1px;
		background: #e6e6e6;
	}
	.about-company-intro{
		margin:15px 0;
	}
	.about-company-intro p{
		font-size:16px;
		padding:5px 0;
		line-height:24px;
		text-align: left;
	}
	.about-company-development{
		margin:15px 0;
	}
	
	.news-list{
		overflow: hidden;
		margin:30px 0;
	}
	.news-list-l{
		float: left;
		width:48%;
		height: auto;
	}
	.news-list-l img{
		width: 100%;
		height:auto;
		vertical-align: middle;
	}
	.news-list-l video{
		width: 100%;
		height: auto;
	}
	.news-list-l p{
		font-size:16px;
		line-height:24px;
		padding:5px 0;
		text-align: left;
	}
	.news-list-l span{
		color:#999;
	}
	.news-list-r{
		margin-left:52%;
	}
	.news-list-r p{
		font-size:16px;
		line-height:24px;
		padding:5px 0;
		text-align: left;
	}
	.news-list-r span{
		color:#999;
	}
	.news-list-r img{
		width: 100%;
		height:auto;
		vertical-align: middle;
	}
	.news-list-r video{
		width: 100%;
		height: auto;
	}
}