@media screen and (max-width: 1000px) {
	body {
		padding-top: 126px;
		overflow-x: hidden;
	}
	/* 固定*/
	.fixed-left{
		display: none;
	}
	.fixed-right{
		display: none!important;
	}
	.content-between{
		padding: 0 2%;
		width: 100%;
	}
	.content-big{
		width: 100%;
		padding: 0 2%;
	}
	.footer{
		background-size: 100% 100%;
	}
	.footer .foot{
		width: 100%;
		height: auto;
		flex-direction: column;
	}
	.footer .foot-left{
		width: 100%;
		/* text-align: center; */
	}
	.footer .contflex{
		width: 100%;
		margin-left: 0px;
	}
	.footer .lxinfo p{
		justify-content: left;
	}

	/* 头部 */
	.top-icon{
		display: none;
	}
	.top-left{
		padding-top: 59px;
	}
	.top-content{
		position: relative;
	}
	.header-nav{
		margin-right: 0;
		display: flex;
		justify-content: space-between;
		width: 90%;
	}
	.top-right .top-bottom .top-content{
		width: 100%;
	}
	.header-nav li{
		width: 25%;
		text-align: center;
	}
	.header-nav a{
		font-size: 12px;
		width: 100%;
		display: inline-block;
		text-align: center;
	}
	.top-right .top-header{
		width: 100%;
		position: absolute;
		top: 0;
		left: 0;
	}
	.top-right{padding-top: 60px;}
	.top-right .top-header a{
		margin-right: 0;
		font-size: 12px;
		letter-spacing: -1px;
		
	}
	.top-right .top-header{
		text-align: left;
		padding: 0 5%;
		display: flex;
		justify-content: space-between;
		background: #ccc;
		color: #fff;
	}
	.top-left .login{
		width: 100%;
		height: auto;
	}
	.top-left a{padding-left: 5%;margin-right: 0;}
	/* banner */
	.product-banner{
		width: 100%;
		margin: 0 auto;
	}
	.product-banner .product-banner-title{
		font-size: 20px;
	}
	.product-banner .product-banner-text{
		font-size: 16px;
	}
	.banner_text{
		width: 100%;
	}
	.product-banner img{
		width: 100%;
		height: 300px;
	}
	/* 内容 */
	.substance{
		display: flex;
		flex-direction: column-reverse;
		width: 100%;
	}
	.substance-left{
		width: 100%;
		margin-top: 20px;
	}
	.substance-center .substance-center-product .item{
		height: auto;
	}
	.substance-center .substance-center-product .item img{
		width: 100%;
		
	}
	.substance-submit .item{
		height: auto;
	}
	.substance-submit .item img{
		width: 100%;
	}
	.substance-right{
		width: 100%;
	}

	.substance-top-right{
		width:100%;
	}
	.product-carbon-pic li{
		width: 33%;
		height: auto;
	}
	.steel-expert{
		background-size: 100% 100%;
	}
	.steel-expert img{
		width:100px;
		height: 100px;
		margin-top: 50px;
		margin-right: 10px;
	}
	.product-carbon li {
		width:19%;
	}
	.product-carbon li .start{
		width: 100%;
	}

	.product-quality-ul li{
		width: 24%;
	}
	.product-quality-ul li .product-quality-top{
		width: 100%;
	}
	.product-quality-ul li .product-quality-top img{
		width: 100%;
	}
	.substance-top-left .data-time{
		right: -10px;
	}
	.substance-top-right .substance-left-center a{
		width: 45%;
		font-size: 12px;
	}
	.substance-left-footer .share-item img{
		margin-right: 1px;
	}
	.steel-expert-right .stell-top,.steel-expert-right .stell-bottom{
		display: none;
	}
	.steel-expert .title{
		line-height: 20px;
		padding: 20px 0;
	}
	.product-carbon li .start p{
		font-size: 12px;
	}
	.substance-right-top{
		flex-direction: column;
		margin-top: 20px;
	}
	.substance-top-left .items .swiper-container,.substance-top-left .prodect-img{
		width: 100%;
		height: 100%;
	}
	.substance-top-left .swiper-slide,.substance-top-left .items{
		width: 100%;
		height: auto;
	}
	.substance-top-left .onevieobox{
		height: auto;
	}
	.substance-top-left .video{
		height: auto;
	}
	.substance-top-left{
		width: 100%;
		height: auto;
	}
	.substance-top-left .swiper-pagination-fraction{
		left:0;
	}
	.content-title{
		overflow: hidden;
	}
	.top-right .top-header a span{
		display: none;
	}

	.dhbtn {
		position: absolute;
		top: 15px;
		right: 3%;
		border-radius: 4px;
		background: url(../images/d1.webp) no-repeat center center #2b48b4;
		background-size: 20px;
		width: 30px;
		height: 30px;
	}
	/* 移动端 */
	.top-right .top-bottom .top-content{
		display: none;
	}
	.dhbtn{
		display: block;
	}
	.nav{
		display: none;
	}
	.nav {
		position: fixed;
		width: 100%;
		height: 100%;
		z-index: 100;
		top: 0px;
		left: 0;
		background: #000;
		overflow: auto;
	}
	.nav .close{
		width: 20px;
		position: absolute;
		right: 20px;
		top: 20px;
	}
	.dhbtn.on {
		background: url(../images/d2.webp) no-repeat center center #2b48b4;
		background-size: 20px;
	}
	.nav ul {
		padding: 0;
		margin-top: 60px;
	}
	.nav li {
		float: none;
		width: 100%;
		text-align: center;
		border-bottom: 1px solid #666;
	}
	.nav  h3 a {
		font-weight: bold;
		line-height: 55px;
		font-size: 16px;
	}
	.nav .on h3 a {
		color: #ffba01;
		font-weight: bold;
		line-height: 55px;
		font-size: 16px;
		text-align: center;
		position: relative;
	}
	.nav .on h3 a:before {
		bottom: 0;
	}
	.nav .on h3 a:before {
		position: absolute;
		content: "";
		border-bottom: 4px solid #ffba01;
		border-radius: 2px;
		width: 60px;
		bottom: -20px;
		color: #ffba01;
		left: 50%;
		transform: translateX(-50%);
	}
	/* 404页面 */
	.feedback-back .nones-dialog{width: 85%;margin-left: -42.5%;top: 20%;}
    .feedback-back .nones-dialog .nones-img{width: 100%;}
    .feedback-back .nones-dialog .title{font-size: 20px;margin-bottom: 20px;}
	.feedback-back .nones-dialog .content{font-size: 14px;line-height: 30px;}
	.feedback-back .nones-dialog .special{margin-left: 0;}
    .nones-dialog .bottom a{width: 32%;font-size: 12px;height: 36px; line-height: 36px;}
	/* 谢谢页面 */
	.thank-left{
		width: 50%;
	}
	.thank-left .logo-img{
		width: 50%;
		height: auto;
	}
	.thank-right{
		width: 50%;
		padding:50% 3%;
	}
	.thank-right .title{
		font-size: 40px;
	}
	.thank-right .content{
		font-size: 18px;
		line-height: 26px;
		margin: 50px 0px;
	}
	.thank-right .btn a{
		width: 45%;
		height: 50px;
		line-height: 50px;
		font-size: 12px;
	}
	/* 新闻详情 */
	.news-banner img{
		height: 400px;
	}
	.news-detail{
		width: 100%;
		padding:  0 2%;
	}
	.news-detail .news-img{
		height: auto;
	}


	/* 项目页面 */
	.p_list .p_loopitem {
		flex-grow: 0;
		flex-shrink: 0;
		flex-basis: calc(100% /2);
		position: relative;
	}
	.e_container-7{
		margin-right: 0;
	}
	/* 关于我们 */
	.contacts-address{
		flex-direction: column;
	}
	.contacts-address .address{
		width: 100%;
		padding: 5% 2%;
		
	}
	.contacts-address .address h2{
		font-size: 20px;
		text-align: center;
		padding-bottom: 20px;
	}
	.contacts-address .address-item a{
		line-height: 20px;
		margin-left: 0;
		font-size: 16px;
	}
	.contacts-address .address-item img{
		width: 20px;
	}
	.contacts-address .map{
		width: 100%
	}
	.contacts-address .map img{
		width: 100%
	}
	.contacts-address .map .map_img{
		width: 20px;
	}
	.contacts-address .map_address{
		flex-direction: column;
		margin-top: 0;
		margin-left: 0;
	}
	.point{
		display: none;
	}
	.case{
		padding-left: 10%;
		bottom: 50%;
	}
	.case .case-item .title{
		font-size: 14px;
	}
	.case .case-item .name{
		font-size: 12px;
	}
	.case .case-item .fang{
		top: 0%;
		left: 90%;
		font-size: 12px;
	}
	/* 新闻列表页 */
	.news-top{
		flex-direction: column;
		height: auto;
	}
	.news-top .news-top-left .items{
		width: 100%;
	}
	.news-top-right{
		width: 100%;
	}
	.list-item{
		flex-direction: column;
	}
	.list-item-left{
		width: 100%;
	}
	.length-line{
		margin-bottom: 30px;
	}
	.related a{
		font-size: 20px;
	}
	.news-list .news-list-item .news-img{
		width: 30%;
	}
	.list-item-left .news-list .news-list-item{
		padding: 2%;
	}
	.news-content{
		width: 65%;
	}
	.news-content .title{
		font-size:14px;
	}
	.news-content .name{
		font-size: 12px;
	}
	.news-content .time{
		font-size: 12px;
	}
	.list-item-right{
		width: 100%;
		margin-top: 0;
	}
	/* 关于我们 */
	.about-top-item{
		width: 100%;
	}
	.about-rights{
		display: none;
	}
	.about-bottoms .name1{
		font-size: 26px;
	}
	.product-infor .product-infor-content .title{
		font-size: 26px;
	}
	.product-infor .product-infor-content .name img{
		width: 20%;
	}
	.content-bigSpecail{
		width: 100%;
	}
	.product-infor .product-infor-content{
		left: 0;
		margin-left: 0;
	}
	.services-lists-item{
		width: 28%;
	}
	.services-lists-item .services-lists-img{
		width: 100%;
		/* height: auto; */
		height: 150px;
	}
	.services-lists-item .name{
		font-size: 12px;
		margin-top: 0;
	}
	.corporate .corporate-bottom{
		padding: 2% 5%;
	}
	.services-lists-item .bottom{
		margin: 10px 0;
	}
	.corporate .corporate-bottom a{
		font-size: 12px; 
		line-height: 16px;
	}
	/* 首页 */
	.banner_text_index{
		width: 100%;
		font-size: 28px;
		text-align: center;
	}
	.advantage-lists{
		width: 100%;
	}
	.advantage-lists .item{
		height: auto;
	}
	.advantage-lists .item p{
		text-align: center;
		width: 100%;
		height: auto;
		padding:  0 5%;
	}
	.Customer-bot{
		display: flex;
		flex-direction: column;
	}
	.Customer-bot{
		padding-bottom: 80px;
		padding-top: 60px;
	}
	.Customer-left{
		width: 100%;
	}
	.Customer-left .showImg-items{
		width: 60%;
	}
	.Customer-left .showImg-items img{
		width: 100%;
	}
	.Customer-left .Customer-content{
		padding: 5% 5%;
		width: 50%;
	}
	.Customer-right-list{
		position: relative;
	}
	.Customer-right{
		width: 100%;
		position: initial;
	}
	.Customer-content .name{
		font-size: 16px;
	}
	.Customer-right-list .swiper-button-prev, .Customer-right-list .swiper-container-rtl .swiper-button-next{
		left: 0;
	}
	.Customer-right-list .swiper-button-next, .Customer-right-list .swiper-container-rtl .swiper-button-prev{
		left: 133px;
	}
	.banner img{
		height: 728px;
		width: auto;
		overflow: hidden;
	}
	.about-infor .about-infor-content{
		left: 0;
		margin-left:0;
		padding: 0 5%;
	}

	.about-infor-item{
		display: flex;
		flex-direction: column;
	}
	.about-infor .about-infor-content .left {
		width: 100%;
		height: auto;
		background: #FFFFFF;
		padding: 5% 5%;
	}
	.about-infor-item .right{
		position: inherit;
		width: 100%;
		margin-top: 20px;
	}

	.about-infor .bg2{
		height: 1000px;
	}
	.infor-bottom{
		position: initial;
		width: 100%;
		padding: 10% 0;
	}
	.advantage-content{
		display: none;
	}
	.infor-bottom .items h2{
		font-size: 26px;
	}
	.infor-bottom .items p{
		font-size: 12px;
	}
	.Customer-content .cicle{
		margin-top: 10px;
	}
	.Customer-right .Customer-right-div{
		padding-left: 2%;
	}
	.Customer-right .line{
		margin-left: 2%;
	}
	.Customer-right h2{
		font-size: 40px;
		text-align: left;
		padding-left: 0;
	}
	.corporate .product-list{
		padding: 5%;
	}
	.Customer-right .content{
		text-align: left;
	}
	.services-lists{
		padding:  0 5%;
		flex-wrap: wrap;
		margin-top: 10%;
	}
	.product-lists .item{
		
		width: 100%;
	}
	.product-lists .item img{
		width: 100%;
	}
	.replay-box{
		right: 0;
		top: 0px;
	}
	.product-quality-ul li .product-quality-box img{
		margin: 34px 0 10px 0;
	}
	.product-quality-ul li .product-quality-texts{
		font-size: 12px;
	}
	.content-title table th {
		font-size: 12px;
	}
	.content-title table td{
		font-size: 12px;
		line-height: 20px;
		padding: 10px 0;
	}
	.zhezi{
		width: 100%;
	}
	#bigimghnre img{
		width:80%;
		height: auto;
	}
	.banner_text_index h2{
		font-size: 60px;
	}
	.product-infor .product-listt .list-item{
		padding: 0;
		height: 300px;
	}
	.product-infor .product-listt .list-item .back{
		top: 0;
		left: 0;
		width: 100%;
		height: 300px;
		line-height: 500px;
	}
	.netword .address{
		display: none;
	}
	.p_list .video-items{
		width: 100%;
	}
	.p_list .video-items .onevieobox{
		width: 100%;
	}
	.corporate .specai-white{
		height: auto;
		min-height: 400px;
	}
	.newsindex .product-infor-content .content{
		font-size: 12px;
	}
	.newsindex .corporate-bottom .name{
		font-size: 14px;
	}
	.advantage-lists .item{
		width: 33.33%;
	}
}
@media screen and (min-width:100px) and (max-width:1900px){
	.Customer-bot{
		display: flex;
		flex-direction: column;
	}
	.Customer-bot{
		padding-bottom: 80px;
		padding-top: 60px;
	}
	.Customer-left{
		width: 100%;
	}
	.Customer-left .showImg-items{
		width: 60%;
	}
	.Customer-left .showImg-items img{
		width: 100%;
	}
	.Customer-left .Customer-content{
		padding: 5% 5%;
		width: 50%;
	}
	.Customer-right-list{
		position: relative;
	}
	.Customer-right{
		width: 100%;
		position: initial;
	}
	.Customer-content .name{
		font-size: 16px;
	}
	.Customer-right-list .swiper-button-prev, .Customer-right-list .swiper-container-rtl .swiper-button-next{
		left: 0;
	}
	.Customer-right-list .swiper-button-next, .Customer-right-list .swiper-container-rtl .swiper-button-prev{
		left: 133px;
	}
	.Customer-right .Customer-right-div{
		padding-left: 2%;
	}
	.Customer-right .line{
		margin-left: 2%;
	}
	.Customer-right h2{
		font-size: 40px;
		text-align: left;
		padding-left: 0;
	}
	.Customer-right .content{
		text-align: left;
	}
	.banner{
		height: auto;
	}
	.icon-img{
		height: auto;
	}
	.icon-img .icon-list{
		padding: 20px;
		width: 100%;
		display: flex;
		flex-direction: column;
	}
	.icon-img .icon-list img{
		margin-bottom: 30px;
	}
}