@media only screen and (min-width: 1680px){
/* 宽度大于1440*/
	.nav_tel{
		-webkit-flex-basis: 235px;
		flex-basis: 235px;/* 导航li后隐藏占位 */
		text-align: right;
		display: inline;
	}
}
@media only screen and (min-width: 1441px){
/* 宽度大于1440*/
	html{
		font-size:75%;/* 12px */
	}
	#header{
		width: 84.5%;
		padding-left: 7.75%;
		padding-right: 7.75%;
	}
	#nav li{
		-webkit-flex-basis: 120px;
		flex-basis: 120px;/* 设置宽度 */
	}
	.fd_tel{
		display: block;/* 顶部右侧浮动绿色区域 */
	}
}
@media only screen and (max-width: 1200px){
/* 宽度小于1200 */
	.w,.w12,.w13{
		width:92%;
		}
	.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 */
		}
	#kefu_wrap{
		display: none;/* QQ不显示 */
	}
	#logo{
		flex: 1;
	}
	.logo,#main_left{
		display: none;
	}
	#header1,#index_nav{
		display: block;
	}
	#logo .wap{
		padding-top: 10px;
	}
	#searchbtn{
		/* display: block; */
	}
	#search{
		display: none;/* 先隐藏 */
		top:50px;
		right: 50px;
	}
	#search .gjz{
		display: none;
	}
	.nav_map{
		display: block;
	}
	.picScroll1{
		width: 100%;
	}
	.picScroll .title1{
		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 */
		}
	#about_r{
		width: 62.67%;
	}
	.about_list{
		height: 180px;
		line-height: 30px;
	}
	#index_product{
		padding-top: 20px;
		padding-bottom: 20px;
	}
	#news{
		margin-top: 30px;
		margin-bottom: 30px;
	}
	.news_nav{
		padding-bottom: 0;
	}
	.news_list li{
		width: 100%;
		line-height: 40px;
	}
	.news-thumb,.news-time,.news-time1{
		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*/
	}
}
@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 a{
		padding: 3px;
	}
	.news_nav li{
		min-width: 80px;
		padding-left: 10px;
		padding-right: 10px;
	}
	.index_product_list .swiper-button-prev,
	.index_product_list .swiper-button-next{
		display: none;
	}
	.index_case_list li{
		width: 50%;
		margin-right: 0;
	}
	#about{
		padding-top: 70px;
		padding-bottom: 20px;
		position: relative;
	}
	.about_title{
		position: absolute;
		top: 20px;
		left: 25%;
		z-index: 1;
	}
	.about_list{
		margin-top: 0;
		height: 120px;
		line-height: 20px;
	}
	.about_more{
		width: 150px;
		height: 40px;
		line-height: 40px;
	}
	.index_case_more{
		width: 150px;
		height: 40px;
		line-height: 40px;
	}
	#index_nav{
		padding-top: 40px;
		padding-bottom: 65px;
	}
	#index_nav li .title{
		width: 70%;
		margin-left: -35%;
		height: 30px;
		line-height: 30px;
		bottom: -15px;
	}
	#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: 20px;
		padding-bottom: 20px;
	}
	.footer_s{
		padding-bottom: 10px;
	}
	#footer .copyright{
		padding-top: 20px;
	}
}
@media only screen and (max-width: 360px){
/* 宽度小于360*/
	.about_more,.index_case_more{
		width: 120px;
		height: 30px;
		line-height: 30px;
	}
	.about_more a,.index_case_more a{
		font-size: 12px;
	}
	#index_nav{
		padding-bottom: 40px;
	}
	#index_nav li .title{
		width: 100%;
		position: relative;
		top: 0;
		bottom: 0;
		left: 0;
		margin-left: 0;
		height: 30px;
		line-height: 30px;
	}
	.about_title{
		left: 15%;
	}
}