@media screen and (min-width: 1200px){
	
	.case_list1 dd:nth-child(3n){
		margin-right: 0;
	}
	.case_list1 dd:nth-child(3n+1){
		clear: both;
	}
	
	
	
}
@media screen and (min-width: 991px) and (max-width: 1200px){
	.wrapper{
		width:92%;
	}
	.menu_dl dd{
		margin: 0;
	}
	.menu_tt .text{
		padding: 0 10px;
	}
	.head_lag_down{
		left: auto;
		right: 0;
	}
	
	.banner_prev{
		margin-left: -47%;
	}
	.banner_next{
		margin-right: -47%;
	}
	
	.ind_box1_item1_con .tt{
		font-size: 30px;
	}
	.ind_box1_item1_con{
		padding: 0 5%;
	}
	.ind_box1_item1_con .text{
		padding: 5% 0;
	}
	.ind_news_list dd a{
		padding: 26px 20px;
	}
	.ind_box3_title{
		font-size: 30px;
	}
	.ind_box2_con_tt{
		font-size: 36px;
	}
	.footer_t_inq{
		width: 320px;
	}
	.footer_t_contact_icon{
		display: none;
	}
	.footer_t_contact_con{
		border-left: 0;
		width: 100%;
		padding-left: 0;
	}
	.footer_t_pro{
		padding-left: 10px;
	}
	
	/*
	 * case
	 */
	.case_list1 dd{
		width: calc((100% - 40px) / 3);
		margin-right: 20px;
		margin-bottom: 20px;
	}
	.case_list1 dd:nth-child(3n){
		margin-right: 0;
	}
	.case_list1 dd:nth-child(3n+1){
		clear: both;
	}
	
	/* 
		pro_det
	 */
	.pro_det_btn a{
		width: 165px;
	}
	
	
}

@media screen and (min-width: 768px) and (max-width: 992px){
	.wrapper{
		width:calc(100% - 30px);
	}
	.mobile_menu_btn{
		display: block;
	}
	.header{
		height: 54px;
		border-top: 0;
		box-shadow: 0 0 8px rgba(115,115,115,.3);
	}
	.logo{
		width:auto;
		height: 54px;
		position: relative;
	}
	.logo img{
		height: 40px;
		max-height: 100%;
	}
	.menu{
		width: auto;
		padding-right:50px;
		padding-top: 9px;
	}
	.menu_dl{
		position: absolute;
		left: 0;
		top: 54px;
		display: none;
		width: 100%;
		padding: 15px 0;
		background: #404040;
	}
	.menu_dl dd{
		float: none;
		width: 100%;
		height: auto;
	}
	.menu_tt .text{
		line-height: 40px;
		text-align: left;
	}
	.menu_dl dd.hover .menu_tt .text{
		color: #fff;
		border-color: transparent;
	}
	.menu_down{
		position: static;
		display:block;
		width: 100%;
		padding-left: 10px;
		background:none;
	}
	.menu_down a{
		color: #fff;
		text-align: left;
	}
	.menu_down a:hover{
		color: #fff;
	}
	.head_lag_down{
		top: 45px;
	}
	
	.head_lag_box{
		margin: 0 0 0 8px;
	}
	.search_box{
		top: 54px;
	}
	.search_box_wrap{
		padding: 8px 0;
	}
	.banner_prev{
		margin-left: -47%;
	}
	.banner_next{
		margin-right: -47%;
	}
	
	
	
	.ind_box1_item1_con .text{
		line-height: 24px;
		padding: 5% 0;
	}
	.ind_box1_item1_con .tt{
		font-size: 28px;
	}
	.ind_box2_con_tt{
		font-size: 36px;
	}
	.ind_box3_title{
		font-size: 30px;
	}
	.ind_news_list dd a{
		padding: 20px;
	}
	
	
	.footer_t_pro{
		display: none;
	}
	.footer_t_contact{
		width: 50%;
	}
	
	/*
	 * case
	 */
	.case_list1 dd{
		width: calc((100% - 40px) / 3);
		margin-right: 20px;
		margin-bottom: 20px;
	}
	.case_list1 dd:nth-child(3n){
		margin-right: 0;
	}
	.case_list1 dd:nth-child(3n+1){
		clear: both;
	}
	.case_list1 dd .pic .icon{
		font-size: 36px;
	}
	
	
	/*
	 * pro_list
	 */
	.pro_list1_model{
		font-size: 28px;
	}
	.pro_list1_name{
		font-size: 18px;
	}
	.pro_list1_feature .feature_item .text{
		font-size: 22px;
	}
	
	
	/* 
		pro_det
	*/
	.pro_det_t_pic{
		width: 100%;
	}
	.pro_det_inf{
		width: 100%;
		padding-left: 10px;
		padding-right: 10px;
	}
	.pro_det_model,.pro_det_title{
		font-size: 28px;
	}
	.pro_det_feature_list,.pro_det_feature_pic{
		width: 100%;
	}
	.pro_det_feature_pic{
		padding: 20px 0;
	}
	.rela_pro_list dd{
		width: 50%;
		margin-bottom: 25px;
	}
	
	
}


@media screen and (min-width: 300px) and (max-width: 767px){
	.wrapper{
		width: 100%;
	}
	.mobile_menu_btn{
		display: block;
	}
	.header{
		height: 54px;
		border-top: 0;
		box-shadow: 0 0 8px rgba(115,115,115,.3);
	}
	.logo{
		width:auto;
		height: 54px;
		position: relative;
	}
	.logo img{
		height: 40px;
		max-height: 100%;
	}
	.menu{
		width: auto;
		padding-right:50px;
		padding-top: 9px;
	}
	.menu_dl{
		position: absolute;
		left: 0;
		top: 54px;
		display: none;
		width: 100%;
		padding: 15px 0;
		background: #404040;
	}
	.menu_dl dd{
		float: none;
		width: 100%;
		height: auto;
	}
	.menu_tt .text{
		line-height: 40px;
		text-align: left;
	}
	.menu_dl dd.hover .menu_tt .text{
		color: #fff;
		border-color: transparent;
	}
	.menu_down{
		position: static;
		display:block;
		width: 100%;
		padding-left: 10px;
		background:none;
	}
	.menu_down a{
		color: #fff;
		text-align: left;
	}
	.menu_down a:hover{
		color: #fff;
	}
	.head_lag_down{
		left: auto;
		right: 0;
		top: 45px;
	}
	
	.head_lag_box{
		margin: 0 15px 0 8px;
	}
	.search_box{
		top: 54px;
	}
	.search_box_wrap{
		padding: 8px 0;
	}
	.banner_prev, .banner_next{
		width: 36px;
		height: 36px;
		background-size:auto 24px;
		margin-top: -18px;
	}
	.banner_prev{
		margin-left: -47%;
	}
	.banner_next{
		margin-right: -47%;
	}
	
	
	.ind_box1{
		padding: 30px 4px;
	}
	.ind_box1_item{
		width:calc((100% - 16px) / 2);
		margin: 4px;
	}
	.ind_box1_item{
		padding: 15px 0;
	}
	
	.ind_box1_item2_con{
		padding: 0 8px;
	}
	.ind_box1_item1_con .text{
		line-height: 20px;
		padding: 3% 0;
	}
	.ind_box1_item1_con .tt{
		font-size: 18px;
		line-height: 16px;
	}
	.ind_box1_item2_con .tt{
		font-size: 16px;
	}
	.ind_video_btn{
		background-size: 80px 80px;
	}
	.ind_box2_con_tt{
		font-size: 26px;
		line-height: 30px;
	}
	.ind_box3_title{
		font-size: 22px;
	}
	.ind_news_list dd a{
		padding: 15px 10px;
	}
	.ind_box2{
		padding-bottom: 20px;
	}
	.ind_box3{
		padding: 0 0 30px 0;
	}
	.ind_box2_con2_clm{
		width: 100%;
	}
	.ind_box2_con2_clm2{
		top: 0;
	}
	.ind_case,.ind_news{
		width: 100%;
	}
	.ind_case{
		padding-right: 0;
	}
	.ind_news{
		margin-top: 20px;
	}
	.ind_box3_title{
		padding: 0 10px 5%;
	}
	.ind_news_list dd .con{
		padding-left: 20px;
	}
	
	
	
	.footer_t .wrapper{
		padding: 30px 0;
	}
	.footer_t_pro{
		display: none;
	}
	.footer_t_contact{
		width: 100%;
	}
	.footer_t_inq{
		clear: both;
		width: 90%;
		position: static;
		left: auto;
		top: auto;
		padding: 18px;
		height: auto;
		margin: 0 auto;
	}
	.footer_t_contact_icon{
		display: none; 
	}
	.footer_t_contact_con{
		width: 100%;
		text-align: center;
		padding: 0 10px 30px;
	}
	.footer_sm{
		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;
	}
	.footer_b .wrapper{
		width: 100%;
		padding: 0;
		text-align: center;
		justify-content: center;
	    -ms-justify-content: center;
	    -webkit-justify-content: center;
	}
	.footer_b_text{
		line-height: 20px;
	}
	
	
	/*
	 * about
	 */
	.sub_banner{
		height: 240px;
	}
	.sub_banner_text{
		left: 50%;
		width: 80%;
		margin-left: -40%;
		height: 120px;
		margin-top: -60px;
	}
	.sub_banner_text_tt{
		font-size: 30px;
		text-align: left;
	}
	.about_box1,
	.about_box2,
	.about_box3,
	.about_box4{
		padding-left: 10px;
		padding-right: 10px;
	}
	.about_box1_con{
		line-height: 30px;
		font-size: 16px;
	}
	.about_box2{
		padding-top: 25px;
		padding-bottom: 25px;
		flex-direction: column; 
	    -ms-flex-direction: column;
	    -webkit-flex-direction: column;
	}
	.about_box2_pic1,.about_box2_text,.about_box2_pic2{
		width: 100%;
		text-align: center;
	}
	.about_box2_text .tt{
		font-size: 28px;
	}
	.about_box2_pic2 img{
		bottom: 0;
	}
	
	
	.about_box3_list dd{
		padding-top: 25px;
		padding-bottom: 25px;
	}
	.about_box3_list_clm1 .pic,
	.about_box3_list_clm1 .con,
	.about_box3_list_clm2 .con,
	.about_box3_list_clm2 .video,
	.about_box3_list_clm3_con1,
	.about_box3_list_clm3_con2
	
	{
		width: 100%;
		padding-left: 0;
		padding-right: 0;
	}
	.about_box3_list_clm3_con2{
		flex-direction: column; 
	    -ms-flex-direction: column;
	    -webkit-flex-direction: column;
	}
	.about_box3_list_clm3_con2 .tt,
	.about_box3_list_clm3_con2 .text{
		width: 100%;
	}
	.about_box3_list_clm3_con1 .tt{
		font-size: 24px;
	}
	.about_box3_list_clm3_con2 .tt{
		font-size: 24px;
	}
	.about_box4_title{
		font-size: 24px;
	}
	
	.video_window{
		width: 90%;
		height: 240px;
		margin-left: -45%;
		margin-top: -120px;
	}
	.video_window_ifeame{
		width: 100%;
		height: 100%;
	}
	
	/*
	 * case
	 */
	.sub_page_case{
		padding-left: 5px;
		padding-right: 5px;
	}
	.sub_title1{
		font-size: 26px;
	}
	.case_bars a{
		margin-bottom: 3%;
	}
	.case_list1 dd{
		width:calc(50% - 10px);
		margin-left: 5px;
		margin-right: 5px;
		margin-bottom: 10px;
	}
	.case_list1 dd:nth-child(2n+1){
		clear: both;
	}
	.case_list1 dd .pic .icon{
		font-size: 30px;
	}
	.case_list1 dd .tt{
		font-size: 14px;
		margin: 15px 0 10px;
	}
	
	
	/*
	 * contact
	 */
	.contact_box1,.contact_box2{
		padding-left: 10px;
		padding-right: 10px;
	}
	.contact_box1_list dd{
		width: 100%;
		margin-bottom: 30px;
	}
	.inq_form_list dd,.inq_form_list dd.ddw{
		width: 100%;
		margin-left: 0;
		margin-right: 0;
	}
	.contact_box2_title1{
		font-size: 24px;
	}
	.inq_form_list_text{
		height: 34px;
	}
	.inq_form_list_tt{
		font-size: 16px;
		padding-bottom: 8px;
	}
	
	
	/*
	 * news
	 */
	.sub_page_news{
		padding-left: 10px;
		padding-right: 10px;
		padding-bottom: 30px;
	}
	.news_list1_pic{
		width: 100%;
	}
	.news_list1_con{
		width: 100%;
		padding: 15px 0;
	}
	.news_list1_con .tt{
		font-size: 18px;
	}
	.news_list1_con .more{
		width: 44px;
		height: 44px;
		font-size: 30px;
		line-height: 44px;
		text-align: center;
	}
	
	
	/*
	 * news_Det
	 */
	.news_det_title{
		font-size: 24px;
	}
	.news_det_page_clm{
		line-height: 24px;
		margin-bottom: 8px;
	}
	.news_back_list{
		width: 80%;
		height: 40px;
		font-size: 16px;
		line-height: 40px;
	}
	/*
	 * pro_list
	 */
	.pro_list1 dd a,.pro_list1 dd:nth-child(2n) a{
		flex-direction: column; 
	    -ms-flex-direction: column;
	    -webkit-flex-direction: column;
	}
	.pro_list1_pic,.pro_list1_con{
		width: 100%;
	}
	.pro_list1_model{
		font-size: 22px;
	}
	.pro_list1_name{
		font-size: 16px;
	}
	
	.pro_list1_feature .feature_item .tt{
		font-size: 14px;
	}
	.pro_list1_feature .feature_item .text{
		font-size: 18px;
	}
	
	.pro_list1_con .more_btn{
		width: 150px;
		height: 36px;
		font-size: 18px;
		line-height: 36px;
	}
	
	
	/* 
		pro_det
	*/
    .pro_det_t{
		padding-left: 10px;
		padding-right: 10px;
	}
	.pro_det_t_pic{
		width: 100%;
	}
	.pro_det_inf{
		width: 100%;
		padding-left: 0;
		padding-right: 0;
	}
	.pro_det_btn{
		padding-left: 0;
		padding-right: 0;
	}
	.pro_det_btn a{
		width: 48%;
		font-size: 18px;
		line-height: 36px;
		margin: 0 1%;
	}
	.pro_det_model,.pro_det_title{
		font-size: 24px;
	}
	.pro_det_feature_list,.pro_det_feature_pic{
		width: 100%;
	}
	.pro_det_feature_pic{
		padding: 15px 0;
	}
	.rela_pro_list dd{
		width: 50%;
		margin-bottom: 20px;
	}
	.pro_det_feature_list dd{
		width: 100%;
	}
	.pro_det_tabs_clm{
		padding-left: 10px;
		padding-right: 10px;
	}
	.pro_det_bars{
		height: 80px;
	}
	.pro_det_b_tech_bars .item{
		line-height: 30px;
	}
	.pro_det_bars_box{
		height: 81px;
	}
	.pro_det_bars .item{
		line-height: 40px;
	}
	
	

	
	
	
}
@media screen and (max-width: 768px){
.zprodu{width: 100%; margin-bottom:15px;}
.zprodu_title {display: block; padding-left:15px; line-height:60px; font-size:40px; background-color:#d13f32; color:#fff;}
.zprolist a{display: block;padding-left:15px; line-height: 40px;font-size: 18px;color: #222;  border-bottom:1px dotted #ff0000;}

.zproimg {width: 100%;}
}