@media (min-width:1200px) {
	
	.n_date{
		text-align: center;
		font-size: 14px;
		color: #666;
		padding: 10px 0;
		border-bottom: 1px dashed #999;
	}
	
	.nei_nav{
		width: 100%;
		height: auto;
		overflow: hidden;
		background: #f0f0ef;
		padding: 10px 0;
	}
	
	.nei_nav_list{
		margin: 10px 0;
	}
	
	.nei_nav_list a{
		display: inline-block;
		padding: 10px 30px;
		background: #ddd;
		margin-right: 20px;
		border-radius: 5px;
		color: #333;
	}
	.nei_nav_list a.active{
		color: #fff;
		background: #ff3a3e;
	}
	.nei_nav_list a:hover{
		color: #fff;
		background: #ff3a3e;
	}
	
	.nabout_txt{
		line-height: 30px;
		margin-top: 30px;
	}
	
	
	
	
	.product_bj {
		width: 100%;
		height: auto;
		overflow: hidden;
		background-color: #fff;
		padding: 10px 0;
	}
	
	.product_list {
		width: 100%;
		height: auto;
		overflow: hidden;
		padding: 30px 0;
	}
	
	
	.product_list ul li {
		float: left;
	}
	
	.product_list li {
		width: calc(100% / 3 - 10px);
		height: auto;
		overflow: hidden;
		margin-right: 15px;
		margin-bottom: 15px;
	
		background: #fff;
		transition: all .5s ease;
		padding: 6px;
		border: solid 1px #ddd;
		box-sizing: border-box;
	}
	
	.product_list li:hover {
		background: rgba(207, 207, 207, 0.1);
	}
	
	.product_list li:nth-child(3n+3) {
		margin-right: 0;
	}
	
	.product_list li img {
		display: block;
		margin: 0px auto 10px;
		width: 100%;
		height: 240px;
	}
	
	.product_list li span {
		display: block;
	}
	
	.product_list li span.t0 {
		color: #333;
		font-size: 16px;
		line-height: 35px;
		padding: 0px 10px;
	}
	
	.product_list li span.t1 {
		color: #333;
		font-size: 16px;
		line-height: 35px;
		padding: 0px 10px;
	}
	
	.product_list li span.t2 {
		color: #666;
		font-size: 14px;
		line-height: 30px;
		padding: 0px 10px;
	}
	
	.product{
		width: 100%;
		height: auto;
		overflow: hidden;
		background-color: #fff;
		padding: 30px 0;
	}
	
	.product_txt{
		
	}
	
	.product_txt img{
		display: inline-block;
	}
	
	
	
	
	.case_bj {
		width: 100%;
		height: auto;
		overflow: hidden;
		background-color: #fff;
		padding: 10px 0;
	}
	
	.case_list {
		width: 100%;
		height: auto;
		overflow: hidden;
		padding: 30px 0;
	}
	
	
	.case_list ul li {
		float: left;
	}
	
	.case_list li {
		width: calc(100% / 3 - 10px);
		height: auto;
		overflow: hidden;
		margin-right: 15px;
		margin-bottom: 15px;
	
		background: #fff;
		transition: all .5s ease;
		padding: 6px;
		border: solid 1px #ddd;
		box-sizing: border-box;
	}
	
	.case_list li:hover {
		background: rgba(207, 207, 207, 0.1);
	}
	
	.case_list li:nth-child(3n+3) {
		margin-right: 0;
	}
	
	.case_list li img {
		display: block;
		margin: 0px auto 10px;
		width: 100%;
		height: auto;
	}
	
	.case_list li span {
		display: block;
	}
	
	.case_list li span.t0 {
		color: #333;
		font-size: 16px;
		line-height: 35px;
		padding: 0px 10px;
	}
	
	.case_list li span.t1 {
		color: #333;
		font-size: 16px;
		line-height: 35px;
		padding: 0px 10px;
	}
	
	.case_list li span.t2 {
		color: #666;
		font-size: 14px;
		line-height: 30px;
		padding: 0px 10px;
	}
	
	.case{
		width: 100%;
		height: auto;
		overflow: hidden;
		background-color: #fff;
		padding: 30px 0;
	}
	
	.case_txt{
		
	}
	
	.case_txt img{
		display: inline-block;
		max-width: 49%;
	}
	
	
}








@media (max-width:1200px) {
	
	.n_date{
		text-align: center;
		font-size: 14px;
		color: #666;
		padding: 10px 0;
		border-bottom: 1px dashed #999;
	}
	
	.nei_nav{
		width: 100%;
		height: auto;
		overflow: hidden;
		background: #f0f0ef;
		padding: 10px 0;
	}
	
	.nei_nav_list{
		margin: 10px 0;
	}
	
	.nei_nav_list a{
		display: inline-block;
		padding: 5px 20px;
		background: #ddd;
		margin-right: 5px;
		margin-bottom: 5px;
		border-radius: 5px;
		color: #333;
	}
	.nei_nav_list a.active{
		color: #fff;
		background: #ff3a3e;
	}
	.nei_nav_list a:hover{
		color: #fff;
		background: #ff3a3e;
	}
	
	.nabout_txt{
		line-height: 30px;
		margin-top: 30px;
	}
	
	
	
	
	.product_bj {
		width: 100%;
		height: auto;
		overflow: hidden;
		background-color: #fff;
		padding: 5px 0;
	}
	
	.product_list {
		width: 100%;
		height: auto;
		overflow: hidden;
		padding: 10px 0;
	}
	
	
	.product_list ul li {
		float: left;
	}
	
	.product_list li {
		width: 100%;
		height: auto;
		overflow: hidden;
		margin-right: 5px;
		margin-bottom: 5px;
	
		background: #fff;
		transition: all .5s ease;
		padding: 6px;
		border: solid 1px #ddd;
		box-sizing: border-box;
	}
	
	.product_list li:hover {
		background: rgba(207, 207, 207, 0.1);
	}
	
	.product_list li:nth-child(2n+2) {
		margin-right: 0;
	}
	
	.product_list li img {
		display: block;
		margin: 0px auto 10px;
		width: 100%;
		height: auto;
	}
	
	.product_list li span {
		display: block;
	}
	
	.product_list li span.t0 {
		color: #333;
		font-size: 16px;
		line-height: 35px;
		padding: 0px 10px;
	}
	
	.product_list li span.t1 {
		color: #333;
		font-size: 16px;
		line-height: 35px;
		padding: 0px 10px;
	}
	
	.product_list li span.t2 {
		color: #666;
		font-size: 14px;
		line-height: 30px;
		padding: 0px 10px;
	}
	
	.product{
		width: 100%;
		height: auto;
		overflow: hidden;
		background-color: #fff;
		padding: 30px 0;
	}
	
	.product_txt{
		
	}
	
	.product_txt img{
		display: inline-block;
		max-width: 100%;
	}
	
	
	
	
	.case_bj {
		width: 100%;
		height: auto;
		overflow: hidden;
		background-color: #fff;
		padding: 10px 0;
	}
	
	.case_list {
		width: 100%;
		height: auto;
		overflow: hidden;
		padding: 10px 0;
	}
	
	
	.case_list ul li {
		float: left;
	}
	
	.case_list li {
		width: 100%;
		height: auto;
		overflow: hidden;
		margin-right: 5px;
		margin-bottom: 5px;
	
		background: #fff;
		transition: all .5s ease;
		padding: 6px;
		border: solid 1px #ddd;
		box-sizing: border-box;
	}
	
	.case_list li:hover {
		background: rgba(207, 207, 207, 0.1);
	}
	
	.case_list li:nth-child(3n+3) {
		margin-right: 0;
	}
	
	.case_list li img {
		display: block;
		margin: 0px auto 10px;
		width: 100%;
		height: auto;
	}
	
	.case_list li span {
		display: block;
	}
	
	.case_list li span.t0 {
		color: #333;
		font-size: 16px;
		line-height: 35px;
		padding: 0px 10px;
	}
	
	.case_list li span.t1 {
		color: #333;
		font-size: 16px;
		line-height: 35px;
		padding: 0px 10px;
	}
	
	.case_list li span.t2 {
		color: #666;
		font-size: 14px;
		line-height: 30px;
		padding: 0px 10px;
	}
	
	.case{
		width: 100%;
		height: auto;
		overflow: hidden;
		background-color: #fff;
		padding: 30px 0;
	}
	
	.case_txt{
		
	}
	
	.case_txt img{
		display: inline-block;
		max-width: 100%;
	}
	
	
}