@media screen and (min-width: 1200px){
	.pro_list1 dd:nth-child(4n){
		margin-right: 0;
	}
	/* case */
	.case_list1 dd:nth-child(3n){
		margin-right: 0;
	}
	
	/* news */
	.news_list1 dd:nth-child(3n){
		margin-right: 0;
	}

	.download_list1 dd:nth-child(4n){
		margin-right: 0;
	}

	
}
@media screen and (min-width: 991px) and (max-width: 1200px){
	.wrapper{
		width:92%;
	}
	.menu_dl dd{
		margin: 0;
	}
	.menu_tt .text{
		padding: 0 10px;
	}
	
	.menu_dl_box{
		padding-right: 0;
	}
	.pro_list1 dd{
		width: calc((100% - 75px) / 4);
		margin-right: 25px;
	}
	.pro_list1 dd:nth-child(4n){
		margin-right: 0;
	}
	.pro_list1 dd .con{
		padding: 0 12px 15px;
	}
	.pro_list1 dd .con .tt{
		font-size: 18px;
	}
	.ind_title1 .tt,
	.ind_title2 .tt{
		font-size: 42px;
	}
	.ind_box4_l{
		font-size: 22px;
	}
	
	/* about */
	.sub_banner{
		height: 360px;
	}
	.about_title1{
		font-size: 36px;
	}
	.about_box1_con_l_list1 .item .num{
		font-size: 28px;
	}
	.about_box1_con{
		padding-top: 60px;
	}
	.about_box2{
		padding: 70px 0;
	}
	/* case */
	.case_list1 dd:nth-child(3n){
		margin-right: 0;
	}
	
	/* contact */
	.inq_form_title{
		font-size: 36px;
		margin-bottom: 20px;
	}
	
	/* news */
	.news_list1 dd:nth-child(3n){
		margin-right: 0;
	}
	
	/* pro_det */
	.pro_det_pic_bars{
		width: 100%;
		display:flex;
		display: -ms-flexbox;
		display: -webkit-flex;
		flex-wrap:wrap;
		-ms-flex-wrap:wrap;
		-webkit-flex-wrap:wrap;
	}
	.pro_det_pic_bars .item{
		width: calc((100% - 40px) / 5);
		margin-right: 10px;
	}
	.pro_det_pic_bars .item:last-child{
		margin-right: 0;
	}
	.pro_det_pic{
		float: none;
		width: 100%;
		margin-bottom: 10px;
	}
	.pro_det_inf{
		padding-left: 3%;
	}
	.pro_det_title{
		font-size: 30px;
	}
	.pro_det_inf_desc{
		padding: 25px 0;
	}
	.pro_inf_btn{
		height: 50px;
		font-size: 16px;
		width: calc((100% - 10px) / 2);
		margin-right: 10px;
	}
	.pro_inf_btn:last-child{
		margin-right: 0;
	}
	.pro_det_b_desc_title .tt,
	.pro_det_b_box2_item a .tt{
		font-size: 30px;
	}
	.pro_det_b_box2_item2 .text2{
		font-size: 18px;
	}
	
	.download_list1 dd:nth-child(3n){
		margin-right: 0;
	}

	
}

@media screen and (min-width: 768px) and (max-width: 992px){
	.wrapper{
		width:calc(100% - 30px);
	}
	.header{
		display: none;
	}
	.mobile_header{
		display: block;
	}
	
	.banner.owl-carousel .owl-item a{
		width: 100%;
		height: 100%;
		display:flex;
	    display: -ms-flexbox;
	    display: -webkit-flex;
	
	    justify-content: center;
	    -ms-justify-content: center;
	    -webkit-justify-content: center;
	    
	    align-items:center;
	    -ms-align-items: center;
	    -webkit-align-items: center;
	    overflow: hidden;
	}
	.banner.owl-carousel .owl-item img{
		display: block;
		height: 360px;
		width: calc((1920px * 360) / 650);
		max-width: none;
	}
	
	.ind_box1{
		padding: 40px 0 50px;
	}
	.pro_list1 dd{
		width: calc((100% - 60px) / 4);
		margin-right: 20px;
		margin-bottom: 20px;
	}
	.pro_list1 dd:nth-child(4n){
		margin-right: 0;
	}
	.pro_list1 dd .pic{
		padding: 10px 0;
	}
	.pro_list1 dd .con .line{
		margin: 10px 0;
	}
	.pro_list1 dd .con{
		padding: 0 12px 5px;
	}
	.pro_list1 dd .con .tt{
		font-size: 16px;
	}
	.pro_list1 dd .con .icon{
		font-size: 16px;
	}
	.ind_title1{
		margin-bottom: 25px;
	}
	.ind_title1 .tt,
	.ind_title2 .tt{
		font-size: 36px;
	}
	.ind_box4_l{
		font-size: 18px;
	}
	.ind_box3{
		padding: 40px 0;
	}
	.ind_news_list1 dd{
		width: calc((100% - 40px) / 2);
		margin-right: 40px;
	}
	.ind_news_list1 dd .con{
		padding: 10px 5% 20px;
	}
	.ind_news_list1 dd .icon{
		width: 40px;
		height: 40px;
	}
	.ind_news_list1 dd .tt{
		font-size: 18px;
		margin-bottom: 6px;
	}
	.ind_box4{
		padding: 40px 0;
	}
	.footer_t{
		padding: 40px 10px;
	}
	.footer_t_item_link{
		display: none;
	}
	.footer_title{
		margin-bottom: 20px;
	}
	
	/* about */
	.sub_banner{
		height: 200px;
	}
	.about_box1{
		padding: 40px 0;
	}
	.about_title1{
		font-size: 24px;
		margin-bottom: 25px;
	}
	.about_box1_con_l_list1 .item .num{
		font-size: 26px;
	}
	.about_box1_con{
		padding-top: 50px;
	}
	.about_box2{
		padding: 55px 0;
	}
	.about_box1_con_l{
		width: 100%;
		margin-bottom: 25px;
	}
	.about_box1_con_r{
		width: 100%;
	}
	.about_box1_con_l_list1{
		padding-bottom: 20px;
	}
	.about_box1_con_r img{
		float: none;
		height: auto;
		max-width: 100%;
	}
	
	.about_box2_pic{
		width: 100%;
		margin-bottom: 30px;
	}
	.about_box2_pic img{
		display: block;
		margin: 0 auto ;
	}
	.about_box2_r{
		width: 100%;
		padding-left: 0;
	}
	.about_box3{
		padding: 40px 0;
	}
	.about_box3_list{
		padding-bottom: 15px;
	}
	.about_box3_list dd{
		width: calc((100% - 30px) / 2);
		margin-right: 30px;
		margin-bottom: 30px;
	}
	.about_box3_list dd:nth-child(2n){
		margin-right: 0;
	}
	.about_box3_con_title{
		font-size: 20px;
	}
	.about_box3_con_clm_tt{
		font-size: 20px;
	}
	.about_box3_con_clm_text{
		font-size: 28px;
		margin-bottom: 25px;
	}
	
	/* case */
	.sub_page_case{
		padding: 40px 0;
	}
	.case_list1 dd{
		width: calc((100% - 40px) / 2);
		margin-right: 20px;
		margin-bottom: 20px;
	}
	.case_list1 dd:nth-child(2n){
		margin-right: 0;
	}
	.case_list1 dd .con{
		padding-top: 60px;
	}
	.case_list1 dd .con .tt{
		line-height: 46px;
		font-size: 14px;
	}
	
	/* contact */
	.contact_box1{
		padding: 40px 0;
	}
	.contact_list1 dd{
		width: 50%;
	}
	.inq_form_title{
		font-size: 28px;
		margin-bottom: 20px;
	}
	.contact_box2{
		padding: 40px 0;
	}
	
	/* news_det */
	.sub_page_news{
		padding: 40px 0;
	}
	.news_det_r_tt {
		font-size: 24px;
	}
	
	/* news */
	.news_list1 dd{
		width: calc((100% - 15px) / 2);
		margin-right: 15px;
	}
	.news_list1 dd:nth-child(2n){
		margin-right: 0;
	}
	.news_list1 dd .con{
		padding: 20px 5%;
	}
	.news_list1 dd .con .tt{
		font-size: 18px;
		height: auto;
	}
	.news_list1 dd .con .text{
		height: auto;
	}
	
	/* pro_list */
	.sub_page_pro{
		padding: 40px 0;
	}
	.pro_list_bars{
		margin-bottom: 30px;
	}
	
	/* pro_det */
	.pro_det_t{
		padding: 40px 0;
	}
	.pro_det_pic_bars{
		width: 100%;
		display:flex;
		display: -ms-flexbox;
		display: -webkit-flex;
		flex-wrap:wrap;
		-ms-flex-wrap:wrap;
		-webkit-flex-wrap:wrap;
	}
	.pro_det_pic_bars .item{
		width: calc((100% - 40px) / 5);
		margin-right: 10px;
	}
	.pro_det_pic_bars .item:last-child{
		margin-right: 0;
	}
	
	.pro_det_pic_box{
		width: 100%;
	}
	.pro_det_pic{
		float: none;
		width: 100%;
		margin-bottom: 10px;
	}
	.pro_det_inf{
		width: 100%;
		padding:30px 0 0;
	}
	.pro_det_title{
		font-size: 24px;
	}
	.pro_det_inf_desc{
		padding: 20px 0;
	}
	.pro_inf_btn{
		height: 46px;
		font-size: 16px;
		width: calc((100% - 10px) / 2);
		margin-right: 10px;
	}
	.pro_inf_btn:last-child{
		margin-right: 0;
	}
	.pro_det_b_box1{
		padding: 40px 0;
	}
	.pro_det_b_desc_title{
		line-height: 50px;
	}
	.pro_det_b_desc_title:before{
		left: -25px;
		width: 50px;
		height: 50px;
	}
	.pro_det_b_desc_title .tt,
	.pro_det_b_box2_item a .tt{
		font-size: 24px;
	}
	.pro_det_b_desc_clm1_l{
		width: 100%;
		margin-bottom: 30px;
	}
	.pro_det_b_desc_clm1_r{
		width: 100%;
		padding-left: 0;
	}
	.pro_det_b_desc_clm2 .pic{
		width: 100%;
	}
	.pro_det_b_desc_clm2 .con{
		width: 100%;
		padding: 30px 20px;
	}
	
	.pro_det_b_box2_item2 .text2{
		font-size: 18px;
	}
	.pro_det_b_box2_item{
		height: 300px;
	}
	.pro_det_b_box2_item2 img{
		height: 300px;
		width: auto;
	}
	.pro_det_b_para{
		padding: 40px 0;
	}
	
	.download_list1 dd:nth-child(2n){
		margin-right: 0;
	}

	
}


@media screen and (min-width: 300px) and (max-width: 767px){
	.wrapper{
		width: 100%;
	}
	
	.header{
		display: none;
	}
	.mobile_header{
		display: block;
	}
	
	.banner.owl-theme .owl-controls{
		bottom: 4px;
	}
	.banner.owl-carousel .owl-item a{
		width: 100%;
		height: 100%;
		display:flex;
	    display: -ms-flexbox;
	    display: -webkit-flex;
	
	    justify-content: center;
	    -ms-justify-content: center;
	    -webkit-justify-content: center;
	    
	    align-items:center;
	    -ms-align-items: center;
	    -webkit-align-items: center;
	    overflow: hidden;
	}
	.banner.owl-carousel .owl-item img{
		display: block;
		height: 180px;
		width: calc((1920px * 180) / 650);
		max-width: none;
	}
	.banner.owl-theme .owl-dots .owl-dot span{
	    width: 8px;
	    height: 8px;
	    border-radius: 8px;
	}
	
	
	.ind_box1{
		padding: 30px 10px;
	}
	.pro_list1 dd{
		width: calc((100% - 10px) / 2);
		margin-right: 10px;
		margin-bottom: 20px;
	}
	.pro_list1 dd:nth-child(2n){
		margin-right: 0;
	}
	.pro_list1 dd .pic{
		padding: 5px 0;
	}
	.pro_list1 dd .con .line{
		margin: 10px 0;
	}
	.pro_list1 dd .con{
		padding: 0 12px 5px;
	}
	.pro_list1 dd .con .tt{
		font-size: 10px;
	}
	.pro_list1 dd .con .icon{
		font-size: 16px;
	}
	.ind_title1{
		margin-bottom: 20px;
	}
	.ind_title1 .tt,
	.ind_title2 .tt{
		font-size: 26px;
	}
	.ind_box2{
		height: 320px;
	}
	
	.ind_box3{
		padding: 30px 10px;
	}
	.ind_news_list1 dd{
		width:100%;
		margin-right: 0;
		margin-bottom: 10px;
		background-color£º#000;
	}
	.ind_news_list1 dd .con{
		padding: 10px 5% 20px;
	}
	.ind_news_list1 dd .icon{
		width: 40px;
		height: 40px;
	}
	.ind_news_list1 dd .tt{
		font-size: 18px;
		margin-bottom: 6px;
	}
	
	.ind_box4{
		padding: 30px 10px;
	}
	.ind_box4_l{
		font-size: 16px;
		width: 100%;
		text-align: left;
		margin-bottom: 15px;
	}
	.ind_box4_line{
		display: none;
	}
	.ind_box4_r{
		width: 100%;
	}
	.ind_box4_r .more_btn1{
		float: none;
		margin: 0 auto;
	}
	
	.footer_t{
		padding: 30px 10px 20px;
	}
	.footer_t_item{
		margin-bottom: 15px;
	}
	.footer_t_item:last-child{
		margin-bottom: 0;
	}
	.footer_t_item_link,.footer_t_item_pro{
		display: none;
	}
	.footer_title{
		margin-bottom: 10px;
	}
	.footer_list3{
		display:flex;
		  display: -ms-flexbox;
		  display: -webkit-flex;
		  align-items:center;
		  -ms-align-items: center;
		  -webkit-align-items: center;
	}
	.footer_list3 .item .tt{
		display: none;
	}
	.footer_b{
		padding: 12px 10px;
	}
	.footer_b .wrapper{
		justify-content:center;
	  -ms-justify-content:center;
	  -webkit-justify-content:center;
	}
	
	
	/* about */
	.sub_banner{
		height: 120px;
	}
	.location{
		padding-right: 10px;
		padding-left: 10px;
	}
	.about_box1{
		padding: 30px 10px;
	}
	.about_title1{
		font-size: 18px;
		margin-bottom: 20px;
	}
	.about_box1_con_l_list1 .item{
		height: 120px;
		width:calc((100% - 10px) / 2);
		margin-right: 10px;
		margin-bottom: 10px;
		justify-content:space-around;
	-ms-justify-content:space-around;
	-webkit-justify-content:space-around;
	}
	.about_box1_con_l_list1 .item:nth-child(2n){
		margin-right: 0;
	}
	.about_box1_con_l_list1 .item .num{
		font-size: 22px;
	}
	.about_box1_con{
		padding-top: 30px;
	}
	.about_box2{
		padding: 30px 10px;
	}
	.about_box1_con_l{
		width: 100%;
		margin-bottom: 20px;
	}
	.about_box1_con_r{
		width: 100%;
	}
	.about_box1_con_l_list1{
		padding-bottom: 20px;
	}
	.about_box1_con_r img{
		float: none;
		height: auto;
		max-width: 100%;
	}
	
	.about_box2_pic{
		width: 100%;
		margin-bottom: 20px;
	}
	.about_box2_pic img{
		display: block;
		margin: 0 auto ;
	}
	.about_box2_r{
		width: 100%;
		padding-left: 0;
	}
	.about_box3{
		padding: 30px 10px;
	}
	.about_box3_list{
		padding-bottom: 15px;
	}
	.about_box3_list dd{
		width: calc((100% - 10px) / 2);
		margin-right: 10px;
		margin-bottom: 10px;
	}
	.about_box3_list dd:nth-child(2n){
		margin-right: 0;
	}
	.about_box3_list dd .con{
		padding-top: 20%;
	}
	.about_box3_list dd .num{
		width: 40px;
		line-height: 40px;
		font-size: 16px;
		margin-bottom: 15px;
	}
	.about_box3_list dd .text{
		font-size: 14px;
		line-height: 20px;
	}
	
	
	.about_box3_con_title{
		font-size: 18px;
	}
	.about_box3_con_clm_tt{
		font-size: 18px;
	}
	.about_box3_con_clm_text{
		font-size: 20px;
		margin-bottom: 20px;
	}
	
	
	/* case */
	.sub_page_case{
		padding: 30px 10px;
	}
	.case_list1 dd{
		width:100%;
		margin-right:0;
		margin-bottom: 10px;
	}
	.case_list1 dd:nth-child(2n){
		margin-right: 0;
	}
	.case_list1 dd .con{
		padding-top: 66px;
	}
	.case_list1 dd .con .tt{
		line-height: 40px;
		font-size: 14px;
	}
	
	/* contact */
	.contact_box1{
		padding: 30px 10px;
	}
	.contact_list1 dd{
		width: 100%;
	}
	.inq_form_title{
		font-size: 24px;
		margin-bottom: 15px;
	}
	.contact_box2{
		padding: 30px 10px;
	}
	.inquery_list1 dd{
		width: 100%;
	}
	.inquery_btn{
		margin: 0 auto;
	}
	/* news_det */
	.sub_page_news{
		padding: 30px 10px;
	}
	.news_det_r_tt {
		font-size: 22px;
	}
	.newsdet_date{
		margin-bottom: 15px;
	}
	.news_det_r {
	    clear: both;
	    float: none;
	    width: 100%;
	    padding: 0;
	}
	.news_det_r_tt{
		font-size: 18px;
	}
	
	/* news */
	.news_list1 dd{
		width: 100%;
		margin-right:0;
		margin-bottom: 10px;
	}
	.news_list1 dd .date{
		width: 80px;
		height: 60px;
	}
	.news_list1 dd .date .days{
		font-size:22px;
	}
	.news_list1 dd .date .month{
		font-size:12px;
	}
	
	.news_list1 dd .con{
		padding: 15px 10px;
	}
	.news_list1 dd .con .tt{
		font-size: 16px;
		height: auto;
	}
	.news_list1 dd .con .text{
		height: auto;
		margin:8px 0 15px;
	}
	.news_list1 dd .con .more{
		width: 36px;
		height: 36px;
	}
	/* pro_list */
	.sub_page_pro{
		padding: 30px 10px;
	}
	.pro_list_bars{
		margin-bottom: 20px;
	}
	.pro_list_bars a{
		line-height: 30px;
		font-size: 14px;
		padding: 0 10px;
	}
	
	/* pro_det */
	.pro_det_t{
		padding: 20px 0;
	}
	.pro_det_pic_bars{
		width: 100%;
		display:flex;
		display: -ms-flexbox;
		display: -webkit-flex;
		flex-wrap:wrap;
		-ms-flex-wrap:wrap;
		-webkit-flex-wrap:wrap;
	}
	.pro_det_pic_bars .item{
		width: calc((100% - 40px) / 5);
		margin-right: 10px;
	}
	.pro_det_pic_bars .item:last-child{
		margin-right: 0;
	}
	
	.pro_det_pic_box{
		width: 100%;
	}
	.pro_det_pic{
		float: none;
		width: 100%;
		margin-bottom: 10px;
	}
	.pro_det_inf{
		width: 100%;
		padding:15px 10px 0;
	}
	.pro_det_title{
		font-size: 20px;
	}
	.pro_det_inf_desc{
		padding: 20px 0;
	}
	.pro_inf_btn_box{
		padding-bottom: 20px;
	}
	.pro_inf_btn{
		height: 46px;
		font-size: 14px;
		width: 100%;
		margin-right: 0;
	}
	.pro_inf_btn:last-child{
		margin-right: 0;
	}
	.pro_det_b_box1{
		padding: 30px 10px;
	}
	.pro_det_b_desc_title{
		line-height: 50px;
		margin-bottom: 15px;
	}
	.pro_det_b_desc_title:before{
		left: -25px;
		width: 50px;
		height: 50px;
	}
	.pro_det_b_desc_title .tt,
	.pro_det_b_box2_item a .tt{
		font-size: 20px;
	}
	.pro_det_b_desc_clm1_l{
		width: 100%;
		margin-bottom: 30px;
	}
	.pro_det_b_desc_clm1_r{
		width: 100%;
		padding-left: 0;
	}
	.pro_det_b_desc_clm2 .pic{
		width: 100%;
	}
	.pro_det_b_desc_clm2 .con{
		width: 100%;
		padding: 20px 10px;
	}
	.pro_det_b_box2_item a{
		padding: 20px 15px;
	}
	
	.pro_det_b_box2_item2 .text2{
		font-size: 16px;
	}
	.pro_det_b_box2_item{
		width: 100%;
		height:auto;
	}
	.pro_det_b_box2_item2 img{
		display: block;
		width: 100% !important;
		height: 100% !important;;
		width: auto;
	}
	.pro_det_b_para{
		padding: 30px 10px;
	}
	.download_list1 dd{
		width: 100%;
		margin:0 0 15px 0;
	}
	
}