@media only screen and (min-width: 1441px){
/* 宽度大于1440*/
	#about_r_list{
		/* height: 200px; */
	}
	#news_list_l{
		/* width: 540px; */
	}
	#news_list_r{
		/* -webkit-box: 1;
		-moz-box: 1;
		-ms-flex: 1;
		-webkit-flex: initial;
		flex: 1;
		padding-left: 65px; */
	}
	#news_list_r li{
		/* margin-bottom: 30px; */
	}
}
@media only screen and (min-width: 1200px){
/* 宽度大于1200*/
	#about{
	left:50%;/* 先设置左边距 */
	margin-left:-50%; /* 再设置宽度的一半 */
	position: absolute;
	top: -150px;
	z-index: 1;
	margin-bottom: 0;
	}
	.about_bottom{
		width: 100%;
		height: 0;
		padding-bottom: 20%;
	}
}
@media only screen and (max-width: 1200px){
/* 宽度小于1200 */
	#mainnav ul{
		width: 100%;
		margin: 0 auto 50px auto;
	}
}
@media only screen and (max-width: 992px){
/* 宽度小于992 */
	#mainnav ul{
		padding-top: 20px;
		margin: 0 auto 40px auto;
	}
	#about{
		padding: 3rem 0;
		box-shadow: initial;
	}
	#about_r_list{
		line-height: 30px;
		height: 120px;
	}
	#news_list_l{
		width: 47%;
	}
	.news_list_l_d,.news_list_r_d{
		display: none;
	}
	.news_list_r_title a{
		height: 30px;
		line-height:30px;
	}
	#news_list_r li{
		padding-left: 0;
		height: auto;
		margin-bottom: 10px;
	}
	#footer{
		margin-bottom: 87px;
	}
/* 宽度小于992 */
}
@media only screen and (max-width: 768px){
/* 宽度小于768 */
	#header1{
		display: block;
	}
	.swiper-container-horizontal>.swiper-pagination-bullets{
		background-color: transparent;
	}
	#index_product{
		padding-top: 10px;
		padding-bottom: 10px;
	}
	.product_title{
		width: 100%;
		position: relative;
		top: 0;
	}
	.tab {
		padding-top:10px;
		padding-bottom: 10px;
	}
	.tab-tle{
		text-align: center;
	}
	.tab-tcon{
		padding-top: 20px;
	}
	.tab-tle label{
		padding: 5px;
		margin-right: 0;
	}
	.picScroll li a{
		margin: 0 0;
	}
	.picScroll .title{
		height: 80px;
		padding-left: 0;
		padding-top: 0;
	}
	.picScroll .swiper-button-prev,
	.picScroll .swiper-button-next{
		display: none;
	}
	#about{
		padding: 3rem 0;
	}
	#about_l{
		padding-bottom: 5px;
	}
	#about_r{
		line-height: 150%;
	}
	#about_r_more {
		width: 100px;
		float:right;
		height: 35px;
		line-height: 35px;
		display: block;
		text-align: center;
		margin-top:10px;
		border: 1px solid #ccc;
	}
	#news_list_l{
		width: 52%;
		padding: 0;
	}
	#news_list_r{
		width: 42%;
		padding-left: 10px;
	}
	#news_list_r li {
		padding-left: 0;
		padding-right: 0;
	}
	.news_list_l_title{
		font-size: 1.8rem;
	}
	#news_list_r li{
		height: auto;
		margin-bottom: 5px;
	}
	#index_case{
		padding-top: 10px;
		padding-bottom: 10px;
	}
	.picScroll1 .swiper-button-prev,
	.picScroll1 .swiper-button-next{
		display: none;
	}
	.news-thumb,.news-time{
		display: none;
	}
	.news-title{
		width: 100%;
		white-space: nowrap;/*设置不折行*/
		overflow: hidden;/*超出部分自动隐藏*/
		text-overflow: ellipsis;/*省略号*/
	}
	.nav_map{
		display: block;
	}
/* 宽度小于768 */
}
@media only screen and (max-width: 576px){
/* 宽度小于576 */
	.pc{
		display: none;
	}
	.wap{
		display: block;
	}
	#mainnav ul{
		padding-top: 10px;
		margin: 0 auto 20px auto;
	}
	#mainnav ul li .description{
		padding: 0 10px;
	}
	#about{
		padding: 60px 0 20px 0;	
		margin-bottom:0;
	}
	.about_title{
		position: absolute;
		top: 0;
		left: 0;
		padding-top: 30px;
	}
	#about:hover{
		box-shadow: initial;
	}
	#about_r_more {
		display: none;
	}
	#about_r_list{
		line-height: 200%;
		height: auto;
	}
	#news_list_l,#news_list_r{
		width: 100%;
	}
	#news_list_r{
		box-sizing: border-box;
		padding-left: 1px;
	}
	#content_lm{
		line-height: 2rem;
    	height: 2rem;
	}
	#content_lm span{
		width: 100%;
		display: block;
		float: none;
	}
	.image-item-wenzi{
		line-height: 200%;
	}
	#footer{
		margin-bottom: 67px;
	}
/* 宽度小于576 */
}
@media only screen and (max-width: 480px){
/* 宽度小于480*/	
	#mainnav ul{
		margin: 0 auto 10px auto;
	}
	#mainnav ul li .icon{
		width: 100%;
	}
}

@media only screen and (min-width: 1441px){
	/* 宽度大于1440*/
	html{
		/* font-size:12px; */
		}
	.news_list_l_d,.news_list_r_d{
		/* font-size: 2rem; */
	}
}
@media only screen and (max-width: 1200px){
/* 宽度小于1200 */
	.w{
		width:92%;
		}
	.logo_main{
		width: 100%;/* logo不缩小 */
	}
	#main_left{
		width: 255px;/* 左栏不至于太小 */
	}
}
@media only screen and (max-width: 992px){
/* 宽度小于992 */
	html{
		font-size:9.5px;/* 整体字体缩小 */
		}
	#kefu_wrap{
		display: none;/* QQ不显示 */
	}
}
@media only screen and (max-width: 768px){
/* 宽度小于768 */
	html{
		font-size:9px;/* 整体字体缩小 */
		}
	.index_title,.index_case_title{
		text-align: center;
	}
	#phone,#header,#main_left{
		display: none;
		}
	#main{
		margin-top: 10px;
	}
	#main_right{
		margin-left: 0;
	}
	.tbox{
		right: -50px;/* top图标 */
	}
	.swiper-button-prev{
		left: -50px;/* banner箭头图标 */
	}
	.swiper-button-next{
		right: -50px;
	}
	#search{
		display: none;/* 先隐藏 */
		top:40px;
		right: 50px;
	}
	#search .gjz{
		display: none;
	}
}
@media only screen and (max-width: 576px){
/* 宽度小于576*/	
	html{
		font-size:8.5px;/* 整体字体缩小 */
		}
	#main{
		margin-top: 0;
	}
	#content_lm{
		margin-top: 10px;
		margin-bottom: 10px;
	}
}