@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: 1440px){
	/* 宽度小于1200 */
	.building_title{
		padding-top: 90px;
	}
	#header{
		width: 98%;
	}
}
@media only screen and (max-width: 1200px){
/* 宽度小于1200 */
	.w{
		width:92%;
		}
	.logo_main{
		width: 100%;/* logo不缩小 */
	}
	#building_l ul{
		width: 90%;
		padding-left: 10%;
	}
	.building_title{
		padding-top: 20px;
	}
	#building_l li {
		padding-bottom: 90%;
	}
}
@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 */
	}
	.logo,#main_left{
		display: none;
	}
	#logo {
		flex: 1 1 auto;
	}
	.header_line{
		height: 1px;
		line-height: 1px;
	}
	.header_line_l,.header_line_r{
		display: none;
	}
	#header1,#index_nav{
		display: block;
	}
	.nav_map{
		display: block;
	}
	#icp{
		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;
	}
	.about_nav ul li .content{
		padding-bottom: 90.25%;
	}
	.building_title{
		padding-bottom: 10px;
	}
	.building_title span{
		font-size: 26px;
		font-size: 2.6rem;
		line-height: 25px;
	}
	.index_case_list li .wz span{
		padding-top: 5%;
	}
}
@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 span::after{
		top: 0
	}
	.index_recommend_list ul li .title{
		padding-top: 5px;
	}
	.tab-bd{
		padding-bottom: 20px;
	}
	.building_t{
		display: block;
	}
	#building_l{
		display: none;
	}
	#building_r{
		width: 92%;
		margin: 0 auto;
		float: initial;
	}
	#building_r li .title{
		height: 35px;
		line-height: 35px;
		background: rgba(0, 0, 0, 1);
		text-align: center;
		display: block;
		position: relative;
		color: #FFF;
	}
	#building_r li .title span{	
		padding: 0;
		white-space: nowrap;
		overflow: hidden;
		text-overflow: ellipsis;
	}
	.index_case_list li .wz i{
		padding-bottom: 10px;
	}
	.index_case_list li .wz .more{
		width: 100px;
		height: 30px;
		line-height: 30px;
	}
	.index_case_list li .pic .rectborder{
		display: none;
	}
	.index_case_list li .title{
		height: 35px;
		line-height: 35px;
		background: rgba(0, 0, 0, 1);
		text-align: center;
		display: block;
		position: relative;
		color: #FFF;
	}
	.index_case_list li .title span{	
		padding: 0;
		white-space: nowrap;
		overflow: hidden;
		text-overflow: ellipsis;
	}
	.about_tel{
		display: none;
	}
	.about_nav{
		padding-bottom: 26.66%;
	}
	.about_nav ul li{
		width: 50%;
	}
	.about_nav ul li .content{
		padding-bottom: 80%;
	}
	#footer .copyright li .tel_ico::before {
		width: 100px;
	}
	#footer .copyright li .nav_b{
		width: 100%;
	}
	#footer .copyright li .nav_b a{
		width: 100%;
		display: block;
	}
	#footer .copyright li .tel{
		font-size: 20px;
	}
}
@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;
	}
	.index_product_list .swiper-button-prev,
	.index_product_list .swiper-button-next{
		display: none;
	}
	#content_lm{
		line-height: 2rem;
    	height: 2rem;
	}
	#content_lm span{
		width: 100%;
		height: 2.1rem;
		display: block;
		float: none;
	}
	#icp{
		margin-bottom: 78px;
	}
	.pronav{
		padding-bottom: 20px;
	}
	.index_recommend_list ul li{
		width: 100%;
		margin-right: 0;
	}
	.index_case_list li .wz .more{
		display: none;
	}
	#index_gw .wz ul li{
		width: 120px;
		height: 40px;
		line-height: 40px;
	}
	.news_list{
		padding-bottom: 20px;
	}
	.news_list li .title{
		padding-left: 0;
		height: 40px;
		line-height: 20px;
		white-space: normal;
	}
	.news_list li .title::before{
		display: none;
	}
	.news_date{
		padding-left: 0;
		padding-bottom: 10px;
	}
	.about_nav ul li .content .title{
		padding: 10px 20px;
	}
	.about_nav ul li .content .wz{
		padding: 0 15px;
	}
	#footer{
		padding-top: 15px;
		padding-bottom: 10px;
	}
	#footer .copyright li{
		width: 50%;
	}
	#footer .copyright li::before{
		display: none;
	}
	#footer .copyright li .tel_ico,
	#footer .copyright li .tel{
		display: none;
	}
	#footer .footer_lx{
		width: 50%;
		padding-top: 30px;
	}
	#footer .nav_b {
		display: none;
	}
	#footer .copyright li .nav_b a {
		width: 50%;
		display: block;
		float: left;
	}
	#footer .copyright li .qrcode{
		display: none;
	}
}
@media only screen and (max-width: 415px){
	/* 宽度小于415*/
	#content{
		min-height: 250px;
	}
	.pronav li{
		min-width: 80px;
		margin-right: 0;
	}
	#index_recommend{
		padding-top: 20px;
	}
	.index_recommend_list ul li .title span{
		height: 30px;
	}
	#index_gw .wz{
		padding-top: 82px;
	}
	#news{
		padding-bottom: 50px;
	}
	.news_list li{
		width: 31.33%;
		margin-right: 3%;
	}
	.news_list li .title{
		font-size: 14px;
		font-size: 1.4rem;
	}
	.about_nav {
		padding-bottom: 20.66%;
	}
	.about_nav ul {
		top: -40px;
	}
	.about_nav ul li .content{
		padding-bottom: 50%;
	}
	.about_nav ul li .content .wz,
	.about_nav ul li .content .more{
		display: none;
	}
	.about_list{
		font-size: 16px;
		font-size: 1.6rem;
	}
	#footer .footer_lx{
		padding-top: 0;
	}
	#icp {
		margin-bottom: 68px;
		font-size: 14px;
		font-size: 1.4rem;
	}
}
@media only screen and (max-width: 375px){
	/* 宽度小于375*/
	.index_case_list li .wz span{
		padding-top: 0;
	}
	.index_case_list li .wz i{
		padding-top: 0;
	}
	#index_gw .wz {
		padding-top: 62px;
	}
	#news {
		padding-bottom: 20px;
	}
	#icp {
		margin-bottom: 58px;
	}
}