@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,.w12,#about{
		width:92%;
		}
	.w11{
		width: 100%;
	}
	.logo_main{
		width: 100%;/* logo不缩小 */
	}
}
@media only screen and (max-width: 992px){
/* 宽度小于992 */
	html{
		font-size:59.375%;/* 9.5px */
		}
	#logo{
		min-height: 100px;
	}
	#kefu_wrap{
		display: none;/* QQ不显示 */
	}
	#hotline{
		display: none;
	}
	.header_line .w12{
		padding-right: 60px;
		box-sizing: border-box;
	}
	#header,.logo,#main_left{
		display: none;
	}
	#header1,#index_nav{
		display: block;
	}
	.index_title span{
		min-width: 120px;
	}
	.index_title .description{
		width: 92%;
		padding-top: 10px;
		display: block;
		line-height: 20px;
	}
	.index_product_list{
		padding-bottom: 50px;
	}
	#index_case{
		margin-top: 0;
	}
	.index_case_list{
		margin-left: 0;
	}
	.index_case_list_l .show{
		width: 100%;
		top: 0;
		left: 0;
	}
	.index_case_list_l .show .pic::before{
		display: none;
	}
	#customer{
		padding-top: 0;
	}
	#customer_l,#customer_r{
		width: 100%;
	}
	.customer_more{
		display: none;
	}
	#about{
		position: relative;
	}
	.about_title{
		position: absolute;
		top: 20px;
		left: 30%;
		z-index: 1;
	}
	.about_title span{
		display: inline-block;
		padding-left: 10px;
	}
	.about_list,.about_nav{
		width: 100%;
	}
	.about_nav{
		padding-top: 10px;
	}
	.about_nav li{
		min-width: 90px;
		margin-right: 5px;
	}
	.about_list{
		height: 175px;
		line-height: 25px;
	}
	#news_list{
		padding-top: 20px;
		padding-bottom: 20px;
	}
	#news_list li .news_wz .description{
		padding-top: 0;
	}
	.nav_map{
		display: block;
	}
	#footer{
		margin-bottom: 87px;
	}
	#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;
	}
	.logo_x{
		display: block;
		}
}
@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_title{
		min-height: 80px;
	}
	.index_title .description::before,
	.index_title .description::after{
		display: none;
	}
	#index_case{
		height: 405px;
	}
	.index_case_main{
		padding: 20px;
		padding-top: 0;
	}
	.index_case_main_description{
		height: 75px;
		line-height: 25px;
	}
}
@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{
		padding-top: 10px;
		padding-bottom: 10px;
	}
	.pronav li{
		min-width: 60px;
		margin-right: 10px;
	}
	.pronav li a{
		padding: 3px;
	}
	#index_product{
		padding-top: 20px;
	}
	.index_product_list{
		padding-bottom: 20px;
	}
	.index_case_list_l{
		width: 40%;
	}
	.index_case_list_r{
		width: 60%;
	}
	.index_case_main_title a{
		line-height: 25px;
	}
	#about{
		padding-top: 80px;
	}
	.about_list {
		height: 140px;
		line-height: 20px;
	}
	.about_nav li{
		min-width: 60px;
	}
	.about_nav{
		display: none;
	}
	#news{
		margin-top: 20px;
	}
	#news_list li{
		width: 100%;
		margin-bottom: 10px;
	}
	#news_list li .news_date{
		height: 70px;
		line-height: 50px;
	}
	#news_list li .news_date span{
		height: 20px;
		line-height: 20px;
	}
	#news_list li .news_wz .description{
		height: 40px;
		line-height: 20px;
	}
	#customer_title{
		padding-top: 20px;
		padding-bottom: 20px;
	}
	#index_lx{
		background-size: contain;
	}
	#index_lx_list{
		padding-top: 0;
		padding-bottom: 20px;
	}
	#content_lm{
		line-height: 2rem;
    	height: 2rem;
	}
	#content_lm span{
		width: 100%;
		height: 2.1rem;
		display: block;
		float: none;
	}
	#footer{
		margin-bottom: 58px;
		padding-top: 10px;
	}
}
@media only screen and (max-width: 360px){
/* 宽度小于360*/
	.index_title span{
		min-width: 100px;
	}
	.pronav li{
		padding-left: 10px;
		padding-right: 10px;
	}
	.index_case_main_description{
		margin-top: 10px;
		margin-bottom: 10px;
	}
	.index_case_main{
		padding: 10px;
		padding-top: 0;
	}
}