@media only screen and (min-width: 1441px){
/* 宽度大于1440*/
	html{
		font-size:75%;/* 12px */
	}
	#nav li{
		-webkit-flex-basis: 130px;
		flex-basis: 130px;/* 设置宽度 */
	}
}
@media only screen and (max-width: 1200px){
/* 宽度小于1200 */
	.w{
		width:92%;
	}
	.logo_main{
		width: 100%;/* logo不缩小 */
	}
	.news_list_r .wz .description{
		line-height: 100%;
	}
	#header{
		width: 98%;
	}
}
@media only screen and (max-width: 992px){
/* 宽度小于992 */
	html{
		font-size:59.375%;/* 9.5px */
		}
	.pc,.wap{
		padding-right: 80px;
		box-sizing: border-box;
	}
	#kefu_wrap{
		display: none;/* QQ不显示 */
	}
	.header_line{
		height: 1px;
		line-height: 1px;
		background-color: #fff;
	}
	.header_line_l,
	.header_line_r{
		display: none;
	}
	.logo,#main_left{
		display: none;
	}
	#logo {
		flex: 1 1 auto;
	}
	#header1,#index_nav{
		display: block;
	}
	.nav_map{
		display: block;
	}
	.index_base_l::before{
		display: none;
	}
	.base_title{
		top: 10px;
		left: 10px;
	}
	.about_list_r .wz{
		height: 180px;
		line-height: 30px;
		overflow: hidden;
	}
	.pronav li::before{
		right: 0;
	}
	.prodcut_title_l a{
		padding-left: 15px;
	}
	.index_product_list ul li .rectborder{
		display: none;
	}
	.index_product_list ul li a{
		border:1px solid transparent;
	}
	.index_product_list ul li .title{
		position: relative;
		height: 40px;
		line-height: 40px;
		display: block;
		background-color: #258307;
	}
	.index_product_list ul li .title span{
		padding: 0;
	}
	#news_list{
		padding-top: 40px;
		padding-bottom: 40px;
	}
	.news_list_r .wz .description{
		font-size: 14px;
	}
	#footer_nav #nav_b{
		width: 70%;
	}
	#footer_nav .hotline{
		width: 21%;
	}
	#footer_nav .hotline{
		font-size: 12px;
	}
	#footer,
	#footer1{
		margin-bottom: 87px;
	}
	#main{
		margin-top: 10px;
	}
	#main_right{
		margin-left: 0;
	}
	#content{
		min-height: 300px;
	}
	.tbox{
		right: -50px;/* top图标 */
	}
	.swiper-button-prev{
		left: -50px;/* banner箭头图标 */
	}
	.swiper-button-next{
		right: -50px;
	}
	
}
@media only screen and (max-width: 768px){
/* 宽度小于768 */
	html{
		font-size:56.25%;/* 9px */
	}
	.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*/
	}
	#index_base{
		padding-top: 20px;
		padding-bottom: 55px;
	}
	#index_product{
		padding-bottom: 50px;
	}
	.about_list_r .wz{
		height: 120px;
		line-height: 20px;
	}
	.news_list_r{
		width: 73.25%;
	}
	.news_list_r .news_date .k{
		line-height: 30px;
	}
	.news_list_r .wz .description{
		font-size: 12px;
	}
	#nav_b li:nth-child(n+7){
		display: none;/* 控制二级栏目的数量 */
	}
}
@media only screen and (max-width: 576px){
/* 宽度小于576*/	
	html{
		font-size:53.125%;/* 8.5px */
		}
	#main{
		margin-top: 0;
	}
	#content_lm{
		margin-top: 10px;
		margin-bottom: 10px;
	}
	.pc{
		display: none;
	}
	.wap{
		display: block;
	}
	.pronav li:nth-child(n+5){
		display: none;
	}
	.pronav li a{
		padding: 3px;
	}
	.prodcut_title_l a{
		font-size: 14px;
	}
	.pronav li a{
		line-height: 30px;
		height: 75px;
		padding-top: 20px;
	}
	#news {
		margin-top: 30px;
	}
	#news_list{
		padding-top: 30px;
		padding-bottom: 30px;
	}
	.news_list_r .news_date{
		display: none;
	}
	.news_list_r a{
		border: 1px solid transparent;
	}
	.news_list_r .wz{
		width: 100%;
	}
	.news_list_r .wz .title{
		height: 30px;
		line-height: 30px;
	}
	.news_list_r .wz .description{
		height: 30px;
		line-height: 15px;
	}
	#footer_nav #nav_b{
		width: 100%;
	}
	#footer_nav .hotline{
		display: none;
	}
	#content_lm{
		line-height: 2rem;
    	height: 2rem;
	}
	#content_lm span{
		width: 100%;
		height: 2.1rem;
		display: block;
		float: none;
	}
	#content{
		min-height: 250px;
	}
	#about .about_title a{
		width: 100%;
	}
}
@media only screen and (max-width: 415px){
	/* 宽度小于415*/
	.base_title{
		left: 5px;
	}
	.index_base_l a{
		font-size: 12px;
	}
	.base_title span{
		visibility:hidden;
		height: 10px;
	}
	#about .about_title .title{
		width: 135px;
	}
	#about .about_title a{
		left: 10px;
	}
	.about_list{
		padding-bottom: 30px;
	}
	.about_list_r .wz{
		height: 100px;
		font-size: 12px;
	}
	.prodcut_title_l a{
		padding-top: 15px;
		font-size: 18px;
	}
	.prodcut_title{
		height: 75px;
	}
	.prodcut_title_l a span{
		display: none;
	}
	.news_list_l{
		padding-top: 10px;
	}
	#footer, #footer1{
		margin-bottom: 67px;
	}
}
@media only screen and (max-width: 375px){
	/* 宽度小于375*/
	#header{
		height: 90px;
	}
	.base_title span {
		height: 5px;
	}
	.prodcut_title_l a{
		padding-left: 10px;
	}
	#news_list {
		padding-top: 20px;
		padding-bottom: 20px;
	}
	#nav_b li:nth-child(n+6){
		display: none;/* 控制二级栏目的数量 */
	}
	#footer, #footer1{
		margin-bottom: 55px;
	}
	.base_title {
		left: 2px;
	}
}
@media only screen and (max-width: 320px){
	/* 宽度小于320*/
	.prodcut_title_l a{
		font-size: 16px;
	}
}