@media (max-width: 1240px) {
	.serPro_list ul{
		display: flex;
		flex-wrap: wrap;
		justify-content: space-between;
		margin-left: 0;
		margin-right: 0;
	}
	.serPro_list ul li{
		width: 25%;
		height: auto;
		margin: 15px auto;
		padding-top: 0;
		background-color: transparent;
	}
	.serPro_list ul li>div{
		width: 120px;
		height: 120px;
		margin: 0 auto;
		background-color: #f2f2f2;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
	}
	
}
@media (max-width: 992px) {
	.serAdv_list ul{
	
		width: 100%;
	
		display: flex;
	
		flex-wrap: wrap;
	
		justify-content: space-between;
	
	}
	.serAdv_list li {
	    height: auto;
	    padding-top: 40px;
		padding-bottom: 40px;
	}
	
	.serAdv_list li .serAdv_icon{
		height: 50px;
		line-height: 50px;
		margin-bottom: 15px;
	}
}


@media (max-width: 768px) {
	.banner .swiper-slide{
		/* height: 548px; */
		height: 106.666vw;
	}
	.banner_txt,.banner_op{
		height: 300px;
		top: auto;
		margin-top: 0px;
		bottom: 60px;
		left: 30px;
	}
	.banner_prev,.banner_next{
		width: 26px;
		height: 26px;
		bottom: 45px;
	}
	.index2_text {
	    width: 90%;
	    left: 5%;
	    margin-left: 0;
	}
	.index3{
		height: 220px;
	}
	
	.co-brands_list li {
	    width: 32%;
	    margin-right: 2% !important;
	    margin-bottom: 20px;
	}
	.co-brands_list li:nth-of-type(3n){
		margin-right: 0 !important;
	}
	

	.serAdv_list li {
	    width: 48%;
	    height: auto;
	    margin-right: 0 !important;
		margin-left: 0 !important;
	    margin-top: 20px;
		padding: 25px 15px;
	}
	.serAdv_list li .serAdv_icon{
		height: 35px;
		line-height: 35px;
		margin-bottom: 10px;
	}
	.indoorSigns ul li {
	    width: 50%;
	}
	.indoorSigns ul li a{
		height: calc(100vw * 0.42666);
	}
	.indoorSigns ul li:last-of-type {
	    width: 100%;
		margin-top: 10px;
	}
	
	.culture{
		height: auto;
		padding: 35px 0;
	}
	.culture_text{
		width: 300px;
		max-width: 60%;
		height: 380px;
	    padding-left: 15px;
	    padding-right: 15px;
	    padding-top: 35px;
	    padding-bottom: 35px;
	}
	
	
	.news_top{
		display: flex;
		flex-direction: column-reverse;
	}
	.news_top_l{
		width: 100%;
	}
	.news_top_r{
		width: 100%;
		padding: 0 0 20px 0;
	}
	
	.article {
	    padding: 0 0;
	}
	.article_con {
	    padding-bottom: 30px;
	}
	
	
	.page2{
		display: flex;
		justify-content: space-between;
	}
	.page2::after{
		display: none;
	}
	.page2 li {
		width: 200px;
		max-width: 30%;
		line-height: 56px;
		background-color: #f6f6f6;
		border: none;
	}
	
	.contact_info{
		display: flex;
		flex-wrap: wrap;
		justify-content: space-between;
	}
	.contact_info li {
	    width: 50%;
	    height: auto;
		padding: 30px 10px;
	}
	
	
	.case_list ul li{
		width: 50%;
	}
	
	.case_details {
	    padding: 20px 0 20px 0;
	}
	
	.case_swiper .swiper-pagination{
		bottom: 20px;
		padding-right: 15px;
	}
	.case_swiper .swiper-pagination .swiper-pagination-bullet{
		width: 24px;
		height: 2px;
		margin-left: 6px;
	}
	.case_swiper_op{
		left: 15px;
		bottom: 20px;
	}
	.case_swiper_prev,.case_swiper_next{
		width: 10px;
		height: 20px;
	}
	.case_swiper_op i{
		height: 20px;
		margin: 0 10px;
	}
	.case_details_list li p {
	    margin-left: 70px;
	}
	
	
	.page3 a{
		width: 200px;
		max-width: 30%;
	}
	
	
	.product_set dl dt{
		width: 60px;
	}
	.product_set dl dd{
		margin-left: 60px;
	}
	.product_set dl dd p{
		float: left;
		width: 120px;
	}
	
	
	.product_list{
		padding-bottom: 20px;
	}
	.product_list ul{
		margin-left: -5px;
		margin-right: -5px;
	}
	.product_list ul li{
		width: 50%;
		padding: 0 5px;
		margin-bottom: 10px;
	}
	
	.product_details_top{
		display: flex;
		flex-direction: column-reverse;
	}
	
	.product_swiper{
		width: 100%;
		margin-right: 0;
	}
	.product_details_text{
		width: 100%;
		max-width: 100%;
		line-height: 24px;
		margin-bottom: 20px;
	}
	
	
	.history img.media{
		display: block;
	}
	.history img.pc{
		display: none;
	}
}
@media (max-width: 640px) {
	/* .banner .swiper-slide{
		height: 400px;
	} */
	.banner_txt,.banner_op{
		height: 240px;
		bottom: 30px;
	}
	
	.serPro_list ul li>div{
		width: 80px;
		height: 80px;
	}
	.serPro_list ul li i {
	    height: 24px;
	    line-height: 24px;
	}
	
	.news_list ul li{
		margin-bottom: 30px;
	}
	.news_list ul li a{
		display: flex;
		width: 100%;
		justify-content: space-between;
	}
	.news_list_img{
		width: 44%;
		height: auto;
		flex-shrink: 0;
	}
	.news_list_img img {
	    height: auto;
	}
	.news_list_text{
		width: 50%;
		margin-left: 15px;
		height: auto;
		padding-right: 0;
		display: flex;
		flex-grow: 1;
		flex-direction: column;
		justify-content: space-between;
		padding-bottom: 20px;
	}
	.news_list_tit {
	    line-height: 60px;
		padding-right: 70px;
	}
	.news_list_p {
	    margin-top: 10px;
	}
	.news_list_more{
		padding-top: 10px;
	}
	
	
	.case_list ul{
		margin-left: -5px;
		margin-right: -5px;
	}
	.case_list ul li{
		padding: 0 5px;
		margin-bottom: 10px;
	}
	.case_text {
	    padding-left: 10px;
	    padding-right: 10px;
	}
	.case_text h3 {
		padding: 10px 0;
	}
}
@media (max-width: 450px) {
	.index3{
		height: 180px;
	}
	.index2 ul li {
	    width: 100%;
	    margin-right: 0;
	    margin-bottom: 2.334%;
	}
	.serPro_list ul::after{
		content: "";
		display: block;
		width: 33.3333333%;
	}
	.serPro_list ul li{
		width: 33.3333333%;
		margin: 5px auto;
	}
	.news_list_tit {
	    line-height: 45px;
	}
	.page2 li {
		line-height: 32px;
	}
	.contact_info_icon {
	    height: 32px;
	    line-height: 32px;
	}
	.page3 a{
		line-height: 32px;
		height: 32px;
	}
	
	.product_set dl dd p {
	    width: 80px;
	}
	
	
	.history{
		padding: 0 2px 0 5px;
	}
}