@media(max-width: 1600px){
.main1200{width:1000px;}
.main1380{width:1150px;}
.main1500{width:1300px;height: 208px}
	

.main1700{width:1500px;}

.yynn_header{padding:20px 0;}

.yynn_logo{width:300px;float:left;}
.yynn_logo>h1>a>img{height:80px;}


.yynn_nav{width:calc(100% - 600px);float: left;margin-left:-20px;}
.yynn_nav>ul>li{margin:0 0 0 50px;}
.yynn_nav>ul>li>a{font-size: 17px;height: 106px;padding:30px 0;}
.yynn_nav>ul>li>a>span{line-height: 46px;height: 46px;}


.yynn_nav_sons{width:220%;top:95%;left:-60%;padding:10px 0;}
.yynn_nav_sons>li>a{font-size: 14px;line-height: 36px;}


.yynn_search{width:50px;right:11%;top:50px;z-index: 3;}

.yynn_search_div{padding:22% 25% 0;}
.yynn_search_div_close{width:36px;height:36px;font-size: 20px;top:-100px;}


.yynn_menu{width: 60px;height: 26px;right:5%;top:65px;}
.yynn_menu span{width:36px;height:3px;}
/* yynn_menu end! */

/* yynn_menu_nav start! */
.yynn_menu_nav .yynn_nav_close{top: 4%;right: 4%;}
.yynn_menu_nav .yynn_nav_close img{width: 38px;}

.yynn_nav_row{width:16.66%;float:left;height:100%;}
.yynn_nav_row_out{height:100%;position: absolute;left:0;top:0;}
.yynn_nav_row_in{top:50%;text-align: left;padding:0 0 0 20%;
	transform: translateY(-50%);
	-webkit-transform: translateY(-50%);
	-moz-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	-o-transform: translateY(-50%);
}

.yynn_nav_row_h_cn{font-size:21px;font-weight: bold;line-height: 28px;letter-spacing: 1px;}
.yynn_nav_row_h_en{font-size:17px;line-height: 25px;margin:5px auto 0;}
.yynn_nav_ul{margin:10px auto 0;}
.yynn_nav_ul>li{margin:25px auto 0;}
.yynn_nav_ul>li>a{line-height: 30px;font-size: 19px;letter-spacing: 1px;}
.yynn_nav_son{padding:0 15px;margin:15px auto 0;}
.yynn_nav_son>li>a{line-height: 25px;font-size: 15px;}
.yynn_nav_icon.yynn_nav_icon_fixed{top:20px;}
/* yynn_menu_nav end! */

/* yynn_header_fixed */
.yynn_header.yynn_header_fixed{padding:10px 0;}
.yynn_header.yynn_header_fixed .yynn_logo>h1>a>img{height:80px;}
.yynn_header.yynn_header_fixed .yynn_nav>ul>li>a{height: 80px;padding:17px 0;}
.yynn_header.yynn_header_fixed .yynn_search{top:27px;}
.yynn_header.yynn_header_fixed .yynn_menu{top:40px;}
/* yynn_header end! */

/* yynn_banner start! */
.yynn_banner{height:100%;}
.yynn_banner .swiper_banner{height:100%;}
.yynn_banner .swiper_banner .swiper-wrapper{height:100%;}
.yynn_banner .swiper_banner .swiper-wrapper .swiper-slide{height:100%}
.yynn_banner .swiper_banner .swiper-slide a{height:100%;}
.swiper_pagination_banner{bottom:5%;}
.swiper_pagination_banner .swiper-pagination-bullet{width:15px;height:15px;}
.swiper_button_banner{width:56px;height:56px;line-height: 56px;margin-top: -28px;font-size: 30px;}
.swiper_button_banner.swiper_button_banner_prev{left:3%;}
.swiper_button_banner.swiper_button_banner_next{right:3%;}

/* yynn_banner end! */

/* yynn_top_mask start! */
.yynn_top_mask{height: 100%;position: absolute;left:0;top:0;z-index: 2;}
.yynn_top_mask_in{position: absolute;left:0;top:50%;
	transform: translateY(-50%);
	-webkit-transform: translateY(-50%);
	-moz-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	-o-transform: translateY(-50%);
}
.yynn_top_main{padding:0 20%;}
.yynn_top_en p{font-size: 36px;line-height: 45px;font-weight: 700;}
.yynn_top_span{margin:6px 0 15px;}
.yynn_top_span span{display:inline-block;width:3%;height:5px;}
.yynn_top_cn{font-size: 27px;line-height: 33px;letter-spacing: 10px;font-weight: 100;}
/* yynn_top_mask end! */

/* video  bg  start! */
#container{width:100%;height:100%;overflow: hidden;position: absolute;top: 0;left: 0;right: 0;bottom: 0;}
#background_video{position: absolute;top: 50%;left: 50%;transform: translate(-50%,-50%);height: 100%;width: 100%;object-fit: cover;}
#video_cover{position: absolute;width: 100%;height: 100%;background: url('/style/css/bg.jpg') no-repeat;background-size: cover;background-position: center;}
#video_controls{position: absolute;left: 50%;transform: translate(-50%,0);display: none;}
#play img{width: 100%;}
#pause img{width: 90px;}
#pause{display: none;}
#container{height: 100%;}
#overlay{position: absolute;top: 0;right: 0;left: 0;bottom: 0;background: rgba(0,0,0,0.005);}
/* video  bg  end! */


/* yynn_section start! */
.yynn_section{padding:6px 0;}
.yynn_section_more{margin:90px auto 0;}
.yynn_section_more a{font-size: 15px;line-height: 30px;}
.yynn_section_more a span{margin-right: 10px;}

/* yynn_section end! */
/* yynn_about start! */
.yynn_about{background:url('../image/yynn_about_bg.jpg') no-repeat center center;padding:160px 0 120px;}
.yynn_about_mains{width:50%;float:right;}
/* yynn_about_title */
.yynn_about_title_en{font-size: 41px;line-height: 50px;font-weight: bold;}
.yynn_about_title_cn{margin:10px auto 0;font-size: 27px;line-height: 33px;letter-spacing: 3px;}
/* yynn_about_p */
.yynn_about_p{margin:65px auto 0;font-size: 15px;line-height: 2;}
.yynn_about_p p{font-size: 15px;line-height: 2;}
.yynn_about_img{margin:40px auto 0;}

/* yynn_about end! */

/* yynn_product1 end! */
.yynn_product1{background:url('../image/yynn_product1_bg.jpg') no-repeat top center;padding:90px 0 160px;}
.yynn_product_h{padding:0 0 25px;}
.yynn_product_h_l{width:47%;float:left;}
.yynn_product_h_l p{font-size: 36px;line-height: 50px;font-weight: 700;}

.yynn_product_h_r{width:47%;float:right;}
.yynn_product_h_r_auto{height:70px;}
.yynn_product_h_r p{font-size: 27px;line-height: 40px;font-weight: 700;text-align: right;}

/* yynn_product_main */
.yynn_product_main{width:60%;margin:0;}
.yynn_product1 .yynn_product_main{margin:150px 0 0;}
.yynn_product_title_en{font-size: 32px;line-height: 40px;}
.yynn_product_title_cn{margin:10px auto 0;font-size: 26px;line-height: 36px;font-weight: 700;letter-spacing: 2px;}
.yynn_product_span{width:100%;margin:10px 0 0;}
.yynn_product_span span{display:inline-block;width:3%;height:5px;}
/* yynn_product_p */
.yynn_product_p{margin:20px auto 0;}
.yynn_product_p p{margin:0 auto;font-size: 15px;line-height: 2;}

/* yynn_product1 end! */

/* yynn_product2 start! */
.yynn_product2{background:url('../image/yynn_product2_bg.jpg') no-repeat top center;padding:180px 0 155px;}
/* yynn_product2 end! */

/* yynn_case start! */
.yynn_case{padding:100px 0;}
.yynn_case_h_l{width:35%;float:left;}
.yynn_case_h_l p{font-size: 36px;line-height: 50px;font-weight: 700;}

.yynn_case_h_r{width:60%;float:right;}
.yynn_case_h_r_auto{height:50px;}
.yynn_case_h_r p{font-size: 22px;line-height: 30px;font-weight: 400;text-align: right;}

.yynn_case_mains{margin:90px auto 0;}
/* yynn_case_l */
.yynn_case_l{width:220px;float:left;}
.tab .tab-head.yynn_case_l .tab-nav li{margin:0 auto 12px;}
.tab .tab-head.yynn_case_l .tab-nav li:before{top:25px;left:-110%;}
.tab .tab-head.yynn_case_l .tab-nav li a{line-height: 46px;height:46px;font-size: 22px;}

/* yynn_case_r */
.yynn_case_r{width:calc(100% - 250px);float:right;padding:15px 0 0;}


/* swiper_case start! */
.swiper_case0 .swiper-slide>a{padding: 68% 0 0;}
.swiper_case0 .swiper-slide .yynn_case_slide_txt{margin:20px auto 0;}
.swiper_case0 .swiper-slide .yynn_case_slide_txt a{font-size: 22px;line-height: 30px;height: 30px;}
.swiper_button_case{width:56px;height:56px;line-height: 56px;font-size: 24px;position: absolute;top:auto;bottom:50px;}
.swiper_button_case.swiper_button_case_prev{left:-250px;}
.swiper_button_case.swiper_button_case_next{left:-165px;}

/* swiper_case end! */

/* yynn_case end! */

/* yynn_tab start! */
.yynn_tab .tab .tab-head .tab-nav li{padding:0 10px;margin:0 0 0 50px;}
.yynn_tab .tab .tab-head .tab-nav li:after{height: 2px;}
.yynn_tab .tab .tab-head .tab-nav li a{line-height: 40px;height:40px; font-size: 28px;font-weight: 500;}
.yynn_tab .tab .yynn_tab_main.tab-body{margin:45px auto 0;}

/* yynn_tab end! */

/* yynn_feature start! */
.yynn_feature{background:url('../image/yynn_feature_bg.jpg') no-repeat top center;padding:90px 0 100px;}

.yynn_feature_h{color:#fff;}
.yynn_feature_h_l{width:45%;float:left;}
.yynn_feature_h_l p{font-size: 36px;line-height: 50px;font-weight: 700;}

.yynn_feature_h_r{width:50%;float:right;text-align: right;}
.yynn_feature_h_r_auto{height:100px;}

/* swiper_feature */
.swiper_feature .swiper-slide>a.yynn_feature_img{padding:40% 0 0;}
.swiper_button_feature{width:56px;height:56px;line-height: 56px;margin-top: -28px;font-size: 24px;}

/* yynn_feature_mask */
.yynn_feature_mask_in{top:22%;padding:0 5%;}
.yynn_feature_body{width:30%;float:right;border-left:5px solid #ac9068;padding:0 0 0 15px;}
.yynn_feature_body h3{font-size: 25px;font-weight: 700;line-height: 32px;letter-spacing: 1px;}
.yynn_feature_body p{margin:10px auto 0;font-size: 17px;line-height: 25px;}

/* yynn_feature end! */

/* qyynn_news start! */

.qyynn_news_h_l{width:45%;float:left;}
.qyynn_news_h_l p{width:100%;font-size: 36px;line-height: 45px;font-weight: 700;}

.qyynn_news_h_r{width:100%;float:right;text-align: right;}
    .qyynn_news_h_r1{width:74%;margin: auto;        margin-top: 42px;}

/* yynn_news_main */
.qyynn_news_main{margin:35px auto 0;}
.qyynn_news_item{width:32%;float:left;margin:0 2% 0 0;height: 394px;}
.qyynn_news_item:nth-of-type(3n){margin:0;}
.qyynn_news_item_img{height:205px;}
.qyynn_news_item_txt{padding:25px 30px;}
.qyynn_news_item_h a{font-size: 16px;line-height: 25px;height:50px;font-weight: 400;color:#111;}
.qyynn_news_item_date{margin:5px auto 0;font-size: 14px;line-height: 20px;}
.qyynn_news_item_date i{margin-right: 5px;}
.qyynn_news_item_p{margin:20px auto 0;font-size: 14px;line-height: 22px;height:44px;}
/* yynn_news_ul */
.yynn_news_ul{padding:25px 25px;}
.qqyynn_news_li{margin:12px auto 0;}
.qyynn_news_li:nth-of-type(1){margin:0 auto;}
.qyynn_news_li:nth-of-type(5){display: none;}

.qyynn_news .yynn_section_more{text-align: center;margin:50px auto 0;}

/* qyynn_news end! */


/* yynn_footer start! */
	.yynn_footer{margin:150px auto 0;padding:45px 4% 60px;background:url('../image/dbbj.jpg') no-repeat top center;min-height: 150px;}
	.yynn_footer_weixin{width:180px;position: absolute;left:50%;margin-left: -90px;top:-65px;}
	.yynn_footer_weixin_txt{margin:5px auto 0;font-size: 20px;line-height: 27px;}
	.yynn_footer p{line-height: 35px;font-size: 16px;}
	.yynn_footer_l{width:47%;float:left;}
	.yynn_footer_r{width:47%;float:right;text-align: right;}
	.yynn_footer_icon a{margin:0 0 0 5px;width:36px;height:36px;line-height: 35px;font-size: 18px;}
	.yynn_footer_weixin_hover{width:90px;height:90px;right:-30px;top:-100px;}
	/* yynn_footer_tel */
	.yynn_footer_tel{margin:15px auto 0;font-size: 21px;line-height: 27px;}
	.yynn_footer_tel span{font-weight: normal;}
	.yynn_footer_a{margin:10px auto 0;}
	.yynn_footer_a a{font-size: 16px;line-height: 25px;}
/* yynn_footer end! */

/* yynn_position  start! */
	.yynn_position{height: 50px;}
	.yynn_position_item{width:50%;float:left;padding:0 20px;height: 50px;}
	.yynn_position_main{line-height: 50px;height:50px;font-size: 13px;}
	.yynn_position_txt{line-height: 50px;height:50px;font-size: 17px;}
	.yynn_position_txt a{font-weight: bold;}
	.yynn_position_txt a i{font-weight: bold; font-size: 20px;margin:0 2% 0 15%;width:25px;}
	.yynn_position_txt_nav{width:calc(100% + 40px);position: absolute;top:100%;right:-20px;}
	.yynn_position_txt_nav li:first-child{margin:18px auto 0;}
	.yynn_position_txt_nav li:last-child{margin:0 auto 18px;}
	.yynn_position_txt_nav li a{font-size: 16px;padding:0 20px;font-weight: normal;line-height: 38px;height:38px;}
	.yynn_position_txt_nav li a i{margin:0 2% 0 15%;width:25px;font-size: 15px;}
/* yynn_position  end! */

/* yynn_main  start! */

	.yynn_page1_mask_en{width:50%;font-size: 32px;line-height: 37px;}
  	.yynn_page1_mask_cn{width:50%;font-size: 47px;margin-top: 6px;line-height: 56px;padding-bottom: 15px;}
  	.yynn_page1_mask_cn span{font-weight: bold;margin-left: 5px;}

	.yynn_main{min-height: 300px;}
	.yynn_main p{font-size: 16px;line-height: 2;}
	.yynn_main iframe{width:800px;height:540px;margin:50px auto 0;}
	.yynn_content{margin:15px auto 0;}

	/* yynn_content_title */
	.yynn_content_title{margin:90px auto 65px;}
	.yynn_content_title_cn{font-size: 28px;line-height: 38px;}
	.yynn_content_title_en{font-size: 20px;line-height: 27px;}
	.yynn_content_title_p{margin:15px auto 0;}
	.yynn_content_title_p p{font-size: 14px;line-height: 25px;}

	/* yynn_content_div */
	.yynn_content_div{margin:60px auto 0;}
	.yynn_content_div_title h2{padding:0 0 0 21px;border-left: 4px solid #004477;font-size:26px;line-height: 30px;}
	.yynn_content_div_body{margin:20px auto 0;padding:30px 0 0;}
/* yynn_main  end! */

/* yynn_about  start! */
	.yynn_div{margin:10px auto 0;}
	.yynn_div_title{margin:80px auto 60px;font-size: 22px;line-height: 33px;}
	.yynn_about_main{margin:55px auto 0;}
	.yynn_div_img img{margin:0 25px;}
	.yynn_div_p{margin:50px auto;}
	.yynn_div_p p{font-size: 17px;line-height: 30px;        text-align: left;}
	.yynn_div_manufacturing02{margin:135px auto 0;}
/* yynn_about  end! */

/* yynn_product  start! */
	.yynn_div_product_item{width:49.5%;margin:0 1% 15px 0;float:left;}
	.yynn_div_product_item:nth-of-type(2n){margin:0 0 15px 0;}
	.yynn_div_product_item_txt{padding:25px 50px;}
	.yynn_div_product_item_txt .yynn_more{width:60px;float:right;}
	.yynn_div_product_item_txt .yynn_txt{width:calc(100% - 70px);float:left;padding:0 0 0 15px;border-left:4px solid #004477;font-size: 20px;height:28px;line-height: 28px;}
	.yynn_div_p2 .yynn_div_product_item_txt .yynn_txt{border-left:4px solid #ac9068;}

	/* yynn_content_div */
	.yynn_content_product_img{width:360px;padding:15px 0 0;}
	.yynn_content_product_txt{width:calc(100% - 400px);float:left;}

	/* yynn_ul */
	.yynn_li_l{width:180px;float:left;padding:10px 0;}
	.yynn_li_r{width:calc(100% - 230px);float:right;padding:10px 0;}
	.yynn_li span{font-size: 15px;line-height: 28px;}
	.yynn_content_div3 .yynn_ul .yynn_li{padding:10px 0;}
	.yynn_li_h{font-size: 17px;font-weight: bold;line-height: 28px;}
	.yynn_li_p{font-size: 15px;line-height: 28px;}
	.yynn_content_div4 .yynn_ul .yynn_li{padding:10px 0;}
	.yynn_content_div4 .yynn_ul .yynn_li.yynn_li_div4{padding:20px 0;}
	.yynn_li_item{width:32%;float:left;padding:5px;margin:5px 2% 5px 0;}
	.yynn_li_item:nth-of-type(3n){margin:5px 0 5px 0;}
	.yynn_li_item a{font-size: 17px;font-weight: bold;line-height: 28px;}
/* yynn_product  end! */

/* yynn_news  start! */
	.yynn_news_list{margin:85px auto 0;}
	.yynn_news_item{width:32%;float:left;margin:0 2% 40px 0;}
	.yynn_news_item:nth-of-type(3n){margin:0 0 40px 0;}
	.yynn_news_item_txt{margin:16px auto 0;}
	.yynn_news_item_txt_h a{font-size: 18px;line-height: 27px;height:27px;}
	.yynn_news_item_txt_date{margin:5px auto 0;font-size: 13px;line-height: 20px;}

	/* yynn_news_show */
	.yynn_news_show{margin:15px auto 0;padding:80px 0;}
	.yynn_news_show_h h1{font-size: 26px;line-height: 30px;}
	.yynn_news_show_span{margin:20px auto 0;padding:10px 20px;font-size: 13px;line-height: 20px;}
	.yynn_news_show_span_r{width:200px;float:right;text-align: right;}
	.yynn_news_show_span_l{width:calc(100% - 210px);float:left;}
	.yynn_news_show_span_l span{margin:0 5px 0 0;}
	.yynn_news_show_content{margin:30px auto 0;min-height: 180px;}
	.yynn_news_show_content p{line-height: 2.3;}
/* yynn_news  end! */

/* yynn_contact  start! */
	.yynn_contact_div{margin:80px auto 0;}
	.yynn_contact_div_h{padding:0 20px;border-left:4px solid #ac9068;font-size: 26px;line-height: 30px;}
	.yynn_contact_div_main{margin:25px auto 0;}
	.yynn_contact_txt{padding:26px;}
	.yynn_contact_item{
		width: 100%;
        margin: 0 auto 10px;
        font-size: 19px;
        line-height: 43px;
        height: 91px;
        margin-left: 147px;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 15px 0 0;
	}
	.yynn_contact_item span{font-weight: bold;float: left;
        margin-left: 12px;color: #565455;        margin-top: -8px;}
	
	.lxdz p{padding:1px 1px 1px 1px;color: #565455;}
		.lxdh p{padding:1px 1px 1px 1px;color: #565455;}
	/* yynn_form */
	.yynn_form_div .form-group{width:49%;float:left;margin:0 2% 0 0;}
	.yynn_form_div .form-group:nth-of-type(2n){margin:0;}
	.yynn_form .button{padding:8px 50px;}
/* yynn_contact  end! */

/* yynn_features  start! */
	.yynn_features_title{margin:85px auto 0;}
	.yynn_features_title_cn{font-size: 27px;line-height: 35px;}
	.yynn_features_title_cn span{font-weight: bold;}
	.yynn_features_title_en{font-size: 25px;line-height: 30px;}
	/* yynn_features_main */
	.yynn_features_main{margin:50px auto 0;}
	.yynn_features_div{margin:15px auto;}
	.yynn_features_div_mask p{font-size: 25px;line-height: 36px;}
	.yynn_features_div_mask p span{font-weight: bold;}

	.yynn_features_div1 .yynn_features_div_mask_in{top:35%;}
	/* yynn_features_div2 */
	.yynn_features_div.yynn_features_div2{padding:45px 0;}
	.yynn_features_div2_item{padding:0 5%;}
	.yynn_features_div2_item_txt{width:60%;float:left;position: relative;}
	.yynn_features_div2_item_img{width:40%;float:right;text-align: center;}
	.yynn_features_div2_item .yynn_features_div2_item_txt p{padding:0 25px;}
	.x6:nth-of-type(2) .yynn_features_div2_item .yynn_features_div2_item_txt p{text-align: right;}
	/* yynn_features_div3 */
	.yynn_features_div3 .x6{float:right;text-align: right;}

	/* yynn_features_div4 */
	.yynn_features_div4 .x6{text-align: right;padding:0 8% 0 0;}
	.yynn_features_div4 .x6 p{color:#004477;}

	/* yynn_features_div5 */
	.yynn_features_div5 p{color:#004477; text-align: center;margin:-5% auto 0;}

	/* yynn_features_div6 */
	.yynn_features_div6 .x6{float:right;text-align: right;padding:0  8% 0 0;}
	.yynn_features_div6 .x6 p{color:#004477;}

	/* yynn_features_div7 */
	.yynn_features_div7 .x6{padding:0 0 0 8%;}
	.yynn_features_div7 .x6 p{color:#004477;}

	/* yynn_features2 多元设计 start! */
		.yynn_features2_group{border-left: 4px solid #ac9068;padding:0 0 0 15px;}
		.yynn_features2_group .yynn_features2_title{font-size: 23px;line-height: 30px;}
		.yynn_features2_group .yynn_features_p{margin:8px auto 0;}
		.yynn_features2_group .yynn_features_p p{font-size: 14px;line-height: 23px;}

		/* yynn_features_div2 */
		.yynn_features2_div2 .x6{float:right;padding:0 0 0 15%;}

		/* yynn_features_div4 */
		.yynn_features2_div4 .x6{float:right;padding:0 0 0 15%;}

		/* yynn_features_div6 */
		.yynn_features2_div6 .x6{float:right;padding:0 0 0 15%;}

	/* yynn_features2 多元设计 end! */
/* yynn_features  end! */

/* yynn_case  start! */
	.yynn_case_list{margin:50px auto 0;}
	.yynn_case_item{width:49%;float:left;margin:0 2% 26px 0;}
	.yynn_case_item:nth-of-type(2n){margin:0 0 26px 0;}
	.yynn_case_item_txt{padding:26px;}
	.yynn_case_item_txt_r{width:55px;height:30px;float:right;}
	.yynn_case_item_txt_l{width:calc(100% - 60px);height:30px;float:left;line-height: 30px;font-size: 22px;}

	/* yynn_case 内容页 */
	.yynn_case_title{margin:80px auto 0;}
	.yynn_case_title h1{font-size: 27px;line-height: 33px;text-align: center}
	.yynn_case_title h1 span{padding:0 20px 0 0;margin:0 24px 0 0;font-weight: bold;}
	.yynn_case_title h1 span:after{content: "";width:4px;height: 28px;position: absolute;top:5px;left:100%;}
	.yynn_case_top{margin:50px auto 0;}
	.yynn_case_scrollbar{margin:35px auto 0;position: relative;padding:0 10%;}
	.swiper_case_scrollbar{height:15px;border-radius: 15px;}

	/* yynn_case_main */
	.yynn_case_main{padding:80px 0 65px;}

	.yynn_case_title_item{float:left;font-size: 22px;line-height: 30px;}
	.yynn_case_title_item span{display: inline-block;padding:0 20px 0 0;margin:0 24px 0 0;color:#004477;font-weight: bold;position: relative;}
	.yynn_case_title_item span:after{content: "";width:4px;height: 24px;background-color: #004477;position: absolute;top:4px;left:100%;}
	.yynn_case_title_item1{width:25%;margin:0 5% 25px 0;}
	.yynn_case_title_item2{width:30%;margin:0 0 25px 0;}
	.yynn_case_title_item3{width:100%;margin:0;float:none;}

	.yynn_case_title_item2_l,.yynn_case_title_item2_r{display: inline-block;}
	.yynn_case_title_item2_l{margin-right: 15px;}
	.yynn_case_main_body{margin:40px auto 0;}
	.yynn_case_main_body>h2{font-size: 22px;line-height: 28px;}
	.yynn_case_main_content{margin:20px auto 0;min-height: 180px;}

	/* 工程案例封面页 分类 */
	.yynn_case_index{margin:45px auto 0;}
	.yynn_case_index_div{margin:0 auto 15px;}
	.yynn_case_index_img{width:66.5%;float:left;height:450px;}
	.yynn_case_index_txt{width:calc(100% - 66.5%);float:right;height:450px;}
	.yynn_case_index_div:nth-of-type(2n) .yynn_case_index_img{float:right;}
	.yynn_case_index_div:nth-of-type(2n) .yynn_case_index_txt{float:left;}
	.yynn_case_index_img>a.img{height:100%;}
	a.yynn_case_index_mask{height:100%;position: absolute;}
	.yynn_case_index_mask_in{position: absolute;top:50%;padding:0 15% 0 20%;
		-webkit-transform: translateY(-50%);
		-moz-transform: translateY(-50%);
		-ms-transform: translateY(-50%);
		-o-transform: translateY(-50%);
		transform: translateY(-50%);
	}
	.yynn_case_index_body h2{font-size: 33px;line-height: 50px;font-weight: 700;letter-spacing: 2px;}
	.yynn_case_index_body .yynn_section_more{margin:30px auto 0;font-size: 17px;line-height: 30px;font-weight: 700;}
	.yynn_case_index_body .yynn_section_more  span{margin-right: 12px;}
/* yynn_case  end! */

.yynn_search_title{margin:40px auto;font-size: 26px;line-height: 30px;}
.yynn_searchs .yynn_news_list{margin:30px auto 0;}
.yynn_searchs .yynn_case_list{margin:30px auto 0;}
.yynn_searchs .pagelist{margin:15px auto;}
.yynn_searchs .pagelist span{width:100%;line-height: 30px;height:auto;}
/* 产品系统 */
	.yynn_content_p4_img_item{width:33%;float:left;margin:0 0.5% 10px 0;}
	.yynn_content_p4_img_item:nth-of-type(3n){margin:0 0 10px 0;}

}


@media(max-width: 1700px){

.main1500{width:1300px;height: 208px}
}

@media(max-width: 1800px){

.main1500{width:1300px;height: 208px}
}
@media(max-width: 1900px){

.main1500{width:1300px;height: 208px}
}

@media(max-width: 1440px){
.main1200{width:900px;margin:0 auto;}
.main1380{width:1000px;margin:0 auto;}
.main1500{width:1200px;margin:0 auto;}

.main1700{width:1250px;}
/* yynn_header start! */
.yynn_header{padding:20px 0;}
/* yynn_logo */
.yynn_logo{width:270px;float:left;}
.yynn_logo>h1>a>img{height:106px;}

/* yynn_nav */
.yynn_nav{width:calc(100% - 500px);float: left;margin-left:50px;}
.yynn_nav>ul>li{margin:0 0 0 35px;}
.yynn_nav>ul>li>a{font-size: 17px;height: 106px;padding:30px 0;}
.yynn_nav>ul>li>a>span{line-height: 46px;height: 46px;}

/* yynn_nav_sons */
.yynn_nav_sons{width:220%;top:95%;left:-60%;padding:10px 0;}
.yynn_nav_sons>li>a{font-size: 14px;line-height: 36px;}

/* yynn_search start! */
.yynn_search{width:50px;right:11.5%;top:50px;}
/* yynn_search end! */

/* yynn_search_div start! */
.yynn_search_div{padding:22% 25% 0;}
.yynn_search_div_close{width:36px;height:36px;font-size: 20px;top:-100px;}

/* yynn_search_div end! */

/* yynn_menu start! */
.yynn_menu{width: 60px;height: 26px;right:5%;top:65px;}
.yynn_menu span{width:36px;height:3px;}
/* yynn_menu end! */

/* yynn_menu_nav start! */
.yynn_menu_nav .yynn_nav_close{top: 8%;right: 6%;}
.yynn_menu_nav .yynn_nav_close img{width: 38px;}

.yynn_nav_row{width:16.66%;float:left;height:100%;}
.yynn_nav_row_out{height:100%;position: absolute;left:0;top:0;}
.yynn_nav_row_in{top:50%;text-align: left;padding:0 0 0 15%;
	transform: translateY(-50%);
	-webkit-transform: translateY(-50%);
	-moz-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	-o-transform: translateY(-50%);
}

.yynn_nav_row_h_cn{font-size:19px;font-weight: bold;line-height: 25px;letter-spacing: 1px;}
.yynn_nav_row_h_en{font-size:13px;line-height: 21px;margin:5px auto 0;}
.yynn_nav_ul{margin:10px auto 0;}
.yynn_nav_ul>li{margin:20px auto 0;}
.yynn_nav_ul>li>a{line-height: 25px;font-size: 16px;letter-spacing: 1px;}
.yynn_nav_son{padding:0 12px;margin:12px auto 0;}
.yynn_nav_son>li>a{line-height: 25px;font-size: 14px;}
.yynn_nav_icon.yynn_nav_icon_fixed{top:20px;}
/* yynn_menu_nav end! */

/* yynn_header_fixed */
.yynn_header.yynn_header_fixed{padding:10px 0;}
.yynn_header.yynn_header_fixed .yynn_logo>h1>a>img{height:80px;}
.yynn_header.yynn_header_fixed .yynn_nav>ul>li>a{height: 80px;padding:17px 0;}
.yynn_header.yynn_header_fixed .yynn_search{top:27px;}
.yynn_header.yynn_header_fixed .yynn_menu{top:40px;}
/* yynn_header end! */

/* yynn_banner start! */
.yynn_banner{height:100%;}
.yynn_banner .swiper_banner{height:100%;}
.yynn_banner .swiper_banner .swiper-wrapper{height:100%;}
.yynn_banner .swiper_banner .swiper-wrapper .swiper-slide{height:100%}
.yynn_banner .swiper_banner .swiper-slide a{height:100%;}
.swiper_pagination_banner{bottom:5%;}
.swiper_pagination_banner .swiper-pagination-bullet{width:15px;height:15px;}
.swiper_button_banner{width:56px;height:56px;line-height: 56px;margin-top: -28px;font-size: 30px;}
.swiper_button_banner.swiper_button_banner_prev{left:3%;}
.swiper_button_banner.swiper_button_banner_next{right:3%;}

/* yynn_banner end! */

/* yynn_top_mask start! */
.yynn_top_mask{height: 100%;position: absolute;left:0;top:0;z-index: 2;}
.yynn_top_mask_in{position: absolute;left:0;top:50%;
	transform: translateY(-50%);
	-webkit-transform: translateY(-50%);
	-moz-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	-o-transform: translateY(-50%);
}
.yynn_top_main{padding:0 20%;}
.yynn_top_en p{font-size: 36px;line-height: 45px;font-weight: 700;}
.yynn_top_span{margin:6px 0 15px;}
.yynn_top_span span{display:inline-block;width:3%;height:5px;}
.yynn_top_cn{font-size: 27px;line-height: 33px;letter-spacing: 10px;font-weight: 100;}
/* yynn_top_mask end! */

/* video  bg  start! */
#container{width:100%;height:100%;overflow: hidden;position: absolute;top: 0;left: 0;right: 0;bottom: 0;}
#background_video{position: absolute;top: 50%;left: 50%;transform: translate(-50%,-50%);height: 100%;width: 100%;object-fit: cover;}
#video_cover{position: absolute;width: 100%;height: 100%;background: url('/style/css/bg.jpg') no-repeat;background-size: cover;background-position: center;}
#video_controls{position: absolute;left: 50%;transform: translate(-50%,0);display: none;}
#play img{width: 100%;}
#pause img{width: 90px;}
#pause{display: none;}
#container{height: 100%;}
#overlay{position: absolute;top: 0;right: 0;left: 0;bottom: 0;background: rgba(0,0,0,0.005);}
/* video  bg  end! */


/* yynn_section start! */
.yynn_section{padding:0px 0;}
.yynn_section_more{margin:90px auto 0;}
.yynn_section_more a{font-size: 15px;line-height: 30px;}
.yynn_section_more a span{margin-right: 10px;}

/* yynn_section end! */
/* yynn_about start! */
.yynn_about{background:url('../image/yynn_about_bg.jpg') no-repeat center center;padding:160px 0 120px;}
.yynn_about_mains{width:50%;float:right;}
/* yynn_about_title */
.yynn_about_title_en{font-size: 41px;line-height: 50px;font-weight: bold;}
.yynn_about_title_cn{margin:10px auto 0;font-size: 27px;line-height: 33px;letter-spacing: 3px;}
/* yynn_about_p */
.yynn_about_p{margin:65px auto 0;font-size: 15px;line-height: 2;}
.yynn_about_p p{font-size: 15px;line-height: 2;}
.yynn_about_img{margin:40px auto 0;}

/* yynn_about end! */

/* yynn_product1 end! */
.yynn_product1{background:url('../image/yynn_product1_bg.jpg') no-repeat top center;padding:90px 0 160px;}
.yynn_product_h{padding:0 0 25px;}
.yynn_product_h_l{width:47%;float:left;}
.yynn_product_h_l p{font-size: 36px;line-height: 50px;font-weight: 700;}

.yynn_product_h_r{width:47%;float:right;}
.yynn_product_h_r_auto{height:70px;}
.yynn_product_h_r p{font-size: 27px;line-height: 40px;font-weight: 700;text-align: right;}

/* yynn_product_main */
.yynn_product_main{width:60%;margin:0;}
.yynn_product1 .yynn_product_main{margin:150px 0 0;}
.yynn_product_title_en{font-size: 32px;line-height: 40px;}
.yynn_product_title_cn{margin:10px auto 0;font-size: 26px;line-height: 36px;font-weight: 700;letter-spacing: 2px;}
.yynn_product_span{width:100%;margin:10px 0 0;}
.yynn_product_span span{display:inline-block;width:3%;height:5px;}
/* yynn_product_p */
.yynn_product_p{margin:20px auto 0;}
.yynn_product_p p{margin:0 auto;font-size: 15px;line-height: 2;}

/* yynn_product1 end! */

/* yynn_product2 start! */
.yynn_product2{background:url('../image/yynn_product2_bg.jpg') no-repeat top center;padding:180px 0 155px;}
/* yynn_product2 end! */

/* yynn_case start! */
.yynn_case{padding:90px 0;}
.yynn_case_h_l{width:32%;float:left;}
.yynn_case_h_l p{font-size: 36px;line-height: 50px;font-weight: 700;}

.yynn_case_h_r{width:63%;float:right;}
.yynn_case_h_r_auto{height:40px;}
.yynn_case_h_r p{font-size: 22px;line-height: 30px;font-weight: 400;text-align: right;}

.yynn_case_mains{margin:90px auto 0;}
/* yynn_case_l */
.yynn_case_l{width:220px;float:left;}
.tab .tab-head.yynn_case_l .tab-nav li{margin:0 auto 12px;}
.tab .tab-head.yynn_case_l .tab-nav li:before{top:22px;left:-110%;}
.tab .tab-head.yynn_case_l .tab-nav li a{line-height: 40px;height:40px;font-size: 20px;}

/* yynn_case_r */
.yynn_case_r{width:calc(100% - 250px);float:right;padding:15px 0 0;}


/* swiper_case start! */
.swiper_case0 .swiper-slide>a{padding: 68% 0 0;}
.swiper_case0 .swiper-slide .yynn_case_slide_txt{margin:20px auto 0;}
.swiper_case0 .swiper-slide .yynn_case_slide_txt a{font-size: 22px;line-height: 30px;height: 30px;}
.swiper_button_case{width:50px;height:50px;line-height: 50px;font-size: 21px;position: absolute;top:auto;bottom:50px;}
.swiper_button_case.swiper_button_case_prev{left:-250px;}
.swiper_button_case.swiper_button_case_next{left:-175px;}

/* swiper_case end! */

/* yynn_case end! */

/* yynn_tab start! */
.yynn_tab .tab .tab-head .tab-nav li{padding:0 10px;margin:0 0 0 45px;}
.yynn_tab .tab .tab-head .tab-nav li:after{height: 2px;}
.yynn_tab .tab .tab-head .tab-nav li a{line-height: 40px;height:40px;font-size: 22px;}
.yynn_tab .tab .yynn_tab_main.tab-body{margin:45px auto 0;}

/* yynn_tab end! */

/* yynn_feature start! */
.yynn_feature{background:url('../image/yynn_feature_bg.jpg') no-repeat top center;padding:90px 0 100px;}

.yynn_feature_h{color:#fff;}
.yynn_feature_h_l{width:45%;float:left;}
.yynn_feature_h_l p{font-size: 36px;line-height: 50px;font-weight: 700;}

.yynn_feature_h_r{width:50%;float:right;text-align: right;}
.yynn_feature_h_r_auto{height:100px;}

/* swiper_feature */
.swiper_feature .swiper-slide>a.yynn_feature_img{padding:40% 0 0;}
.swiper_button_feature{width:56px;height:56px;line-height: 56px;margin-top: -28px;font-size: 24px;}

/* yynn_feature_mask */
.yynn_feature_mask_in{top:22%;padding:0 5%;}
.yynn_feature_body{width:30%;float:right;border-left:5px solid #ac9068;padding:0 0 0 15px;}
.yynn_feature_body h3{font-size: 25px;font-weight: 700;line-height: 32px;letter-spacing: 1px;}
.yynn_feature_body p{margin:10px auto 0;font-size: 17px;line-height: 25px;}

/* yynn_feature end! */

/* qyynn_news start! */
.qyynn_news{padding:0px 0;}
.qyynn_news_h_l{width:45%;float:left;}
.qyynn_news_h_l p{width:100%;font-size: 33px;line-height: 50px;font-weight: 700;}

.qyynn_news_h_r{width:100%;float:right;text-align: right;}
/* yynn_news_main */
.qyynn_news_main{margin:35px auto 0;}
.qyynn_news_item{width:32%;float:left;margin:0 2% 0 0;height: 394px;}
.qyynn_news_item:nth-of-type(3n){margin:0;}
.qyynn_news_item_img{height:205px;}
.qyynn_news_item_txt{padding:25px 30px;}
.qyynn_news_item_h a{font-size: 16px;line-height: 25px;height:50px;font-weight: 400;color:#111;}
.qyynn_news_item_date{margin:5px auto 0;font-size: 14px;line-height: 20px;}
.qyynn_news_item_date i{margin-right: 5px;}
.qyynn_news_item_p{margin:20px auto 0;font-size: 14px;line-height: 22px;height:44px;}
/* yynn_news_ul */
.yynn_news_ul{padding:25px 25px;}
.qqyynn_news_li{margin:12px auto 0;}
.qyynn_news_li:nth-of-type(1){margin:0 auto;}
.qyynn_news_li:nth-of-type(5){display: none;}

.qyynn_news .yynn_section_more{text-align: center;margin:45px auto 0;}

/* qyynn_news end! */


/* yynn_footer start! */
	.yynn_footer{margin:135px auto 0;padding:40px 4% 50px;background:url('../image/yynn_footer_bg.jpg') no-repeat top center;min-height: 120px;}
	.yynn_footer_weixin{width:156px;position: absolute;left:50%;margin-left: -78px;top:-60px;}
	.yynn_footer_weixin_txt{margin:5px auto 0;font-size: 18px;line-height: 25px;}
	.yynn_footer p{line-height: 32px;font-size: 15px;}
	.yynn_footer_l{width:44%;float:left;}
	.yynn_footer_r{width:44%;float:right;text-align: right;}
	.yynn_footer_icon a{margin:0 0 0 5px;width:36px;height:36px;line-height: 35px;font-size: 18px;}
	.yynn_footer_weixin_hover{width:90px;height:90px;right:-30px;top:-100px;}
	/* yynn_footer_tel */
	.yynn_footer_tel{margin:15px auto 0;font-size: 21px;line-height: 27px;}
	.yynn_footer_tel span{font-weight: normal;}
	.yynn_footer_a{margin:10px auto 0;}
	.yynn_footer_a a{font-size: 16px;line-height: 25px;}
/* yynn_footer end! */

/* yynn_position  start! */
	.yynn_position{height: 50px;}
	.yynn_position_item{width:50%;float:left;padding:0 20px;height: 50px;}
	.yynn_position_main{line-height: 50px;height:50px;font-size: 12px;}
	.yynn_position_txt{line-height: 50px;height:50px;font-size: 17px;}
	.yynn_position_txt a{font-weight: bold;}
	.yynn_position_txt a i{font-weight: bold; font-size: 20px;margin:0 2% 0 15%;width:25px;}
	.yynn_position_txt_nav{width:calc(100% + 40px);position: absolute;top:100%;right:-20px;}
	.yynn_position_txt_nav li:first-child{margin:18px auto 0;}
	.yynn_position_txt_nav li:last-child{margin:0 auto 18px;}
	.yynn_position_txt_nav li a{font-size: 15px;padding:0 20px;font-weight: normal;line-height: 35px;height:35px;}
	.yynn_position_txt_nav li a i{margin:0 2% 0 15%;width:23px;font-size: 14px;}
/* yynn_position  end! */

/* yynn_main  start! */
	.yynn_page1_mask_en{width:50%;font-size: 28px;line-height: 35px;}
  	.yynn_page1_mask_cn{width:50%;font-size: 42px;margin-top:5px;line-height: 50px;padding-bottom: 12px;}
  	.yynn_page1_mask_cn span{font-weight: bold;margin-left: 5px;}
	.yynn_main{min-height: 260px;}
	.yynn_main p{font-size: 15px;line-height: 2;}
	.yynn_main iframe{width:800px;height:480px;margin:45px auto 0;}
	.yynn_content{margin:15px auto 0;}

	/* yynn_content_title */
	.yynn_content_title{margin:65px auto 40px;}
	.yynn_content_title_cn{font-size: 24px;line-height: 35px;}
	.yynn_content_title_en{font-size: 18px;line-height: 25px;}
	.yynn_content_title_p{margin:12px auto 0;}
	.yynn_content_title_p p{font-size: 14px;line-height: 25px;}

	/* yynn_content_div */
	.yynn_content_div{margin:40px auto 0;}
	.yynn_content_div_title h2{padding:0 0 0 18px;border-left: 3px solid #004477;font-size:22px;line-height: 26px;}
	.yynn_content_div_body{margin:15px auto 0;padding:25px 0 0;}
/* yynn_main  end! */

/* yynn_about  start! */
	.yynn_div{margin:10px auto 0;}
	.yynn_div_title{margin:65px auto 40px;font-size: 20px;line-height: 30px;}
	.yynn_about_main{margin:48px auto 0;}
	.yynn_div_img img{display:inline-block;margin:0 25px;max-width:380px;}
	.yynn_div_p{margin:40px auto;}
	.yynn_div_p p{font-size: 15px;line-height: 26px;}
	.yynn_div_manufacturing02{margin:105px auto 0;}
/* yynn_about  end! */

/* yynn_product  start! */
	.yynn_div_product_item{width:49.5%;margin:0 1% 15px 0;float:left;}
	.yynn_div_product_item:nth-of-type(2n){margin:0 0 15px 0;}
	.yynn_div_product_item_txt{padding:25px 50px;}
	.yynn_div_product_item_txt .yynn_more{width:60px;float:right;}
	.yynn_div_product_item_txt .yynn_txt{width:calc(100% - 70px);float:left;padding:0 0 0 15px;border-left:4px solid #004477;font-size: 20px;height:28px;line-height: 28px;}
	.yynn_div_p2 .yynn_div_product_item_txt .yynn_txt{border-left:4px solid #ac9068;}

	/* yynn_content_div */
	.yynn_content_product_img{width:300px;padding:15px 0 0;}
	.yynn_content_product_txt{width:calc(100% - 350px);float:left;}

	/* yynn_ul */
	.yynn_li_l{width:150px;float:left;padding:10px 0;}
	.yynn_li_r{width:calc(100% - 185px);float:right;padding:10px 0;}
	.yynn_li span{font-size: 14px;line-height: 25px;}
	.yynn_content_div3 .yynn_ul .yynn_li{padding:10px 0;}
	.yynn_li_h{font-size: 16px;font-weight: normal;line-height: 26px;}
	.yynn_li_p{font-size: 14px;line-height: 26px;}
	.yynn_content_div4 .yynn_ul .yynn_li{padding:10px 0;}
	.yynn_content_div4 .yynn_ul .yynn_li.yynn_li_div4{padding:20px 0;}
	.yynn_li_item{width:32%;float:left;padding:5px;margin:5px 2% 5px 0;}
	.yynn_li_item:nth-of-type(3n){margin:5px 0 5px 0;}
	.yynn_li_item a{font-size: 16px;font-weight: normal;line-height: 26px;}
/* yynn_product  end! */

/* yynn_news  start! */
	.yynn_news_list{margin:60px auto 0;}
	.yynn_news_item{width:32%;float:left;margin:0 2% 30px 0;}
	.yynn_news_item:nth-of-type(3n){margin:0 0 30px 0;}
	.yynn_news_item_txt{margin:12px auto 0;}
	.yynn_news_item_txt_h a{font-size: 16px;line-height: 25px;height:25px;}
	.yynn_news_item_txt_date{margin:3px auto 0;font-size: 12px;line-height: 18px;}

	/* yynn_news_show */
	.yynn_news_show{margin:15px auto 0;padding:60px 0;}
	.yynn_news_show_h h1{font-size: 22px;line-height: 28px;}
	.yynn_news_show_span{margin:15px auto 0;padding:10px 20px;font-size: 12px;line-height: 20px;}
	.yynn_news_show_span_r{width:200px;float:right;text-align: right;}
	.yynn_news_show_span_l{width:calc(100% - 210px);float:left;}
	.yynn_news_show_span_l span{margin:0 5px 0 0;}
	.yynn_news_show_content{margin:30px auto 0;min-height: 150px;}
	.yynn_news_show_content p{line-height: 2;}
/* yynn_news  end! */

/* yynn_contact  start! */
	.yynn_contact_div{margin:60px auto 0;}
	.yynn_contact_div_h{padding:0 20px;border-left:4px solid #ac9068;font-size: 22px;line-height: 28px;}
	.yynn_contact_div_main{margin:25px auto 0;}
	.yynn_contact_txt{padding:25px;}
	.yynn_contact_item{margin:0 auto 10px;float:left;font-size: 17px;line-height: 28px;height:65px;text-overflow: ellipsis;white-space: nowrap;padding:0 15px 0 0;}
	.yynn_contact_item span{font-weight: bold;}
	/* yynn_form */
	.yynn_form_div .form-group{width:49%;float:left;margin:0 2% 0 0;}
	.yynn_form_div .form-group:nth-of-type(2n){margin:0;}
	.yynn_form .button{padding:8px 45px;}
/* yynn_contact  end! */

/* yynn_features  start! */
	.yynn_features_title{margin:60px auto 0;}
	.yynn_features_title_cn{font-size: 23px;line-height: 30px;}
	.yynn_features_title_cn span{font-weight: bold;}
	.yynn_features_title_en{font-size: 20px;line-height: 26px;}
	/* yynn_features_main */
	.yynn_features_main{margin:35px auto 0;}
	.yynn_features_div{margin:10px auto;}
	.yynn_features_div_mask p{font-size: 21px;line-height: 30px;}
	.yynn_features_div_mask p span{font-weight: bold;}

	.yynn_features_div1 .yynn_features_div_mask_in{top:30%;}
	/* yynn_features_div2 */
	.yynn_features_div.yynn_features_div2{padding:45px 0;}
	.yynn_features_div2_item{padding:0 5%;}
	.yynn_features_div2_item_txt{width:60%;float:left;position: relative;}
	.yynn_features_div2_item_img{width:40%;float:right;text-align: center;}
	.yynn_features_div2_item .yynn_features_div2_item_txt p{padding:0 25px;}
	.x6:nth-of-type(2) .yynn_features_div2_item .yynn_features_div2_item_txt p{text-align: right;}
	/* yynn_features_div3 */
	.yynn_features_div3 .x6{float:right;text-align: right;}

	/* yynn_features_div4 */
	.yynn_features_div4 .x6{text-align: right;padding:0 8% 0 0;}
	.yynn_features_div4 .x6 p{color:#004477;}

	/* yynn_features_div5 */
	.yynn_features_div5 p{color:#004477; text-align: center;margin:-5% auto 0;}

	/* yynn_features_div6 */
	.yynn_features_div6 .x6{float:right;text-align: right;padding:0  8% 0 0;}
	.yynn_features_div6 .x6 p{color:#004477;}

	/* yynn_features_div7 */
	.yynn_features_div7 .x6{padding:0 0 0 8%;}
	.yynn_features_div7 .x6 p{color:#004477;}

	/* yynn_features2 多元设计 start! */
		.yynn_features2_group{border-left: 4px solid #ac9068;padding:0 0 0 15px;}
		.yynn_features2_group .yynn_features2_title{font-size: 23px;line-height: 30px;}
		.yynn_features2_group .yynn_features_p{margin:8px auto 0;}
		.yynn_features2_group .yynn_features_p p{font-size: 14px;line-height: 23px;}

		/* yynn_features_div2 */
		.yynn_features2_div2 .x6{float:right;padding:0 0 0 15%;}

		/* yynn_features_div4 */
		.yynn_features2_div4 .x6{float:right;padding:0 0 0 15%;}

		/* yynn_features_div6 */
		.yynn_features2_div6 .x6{float:right;padding:0 0 0 15%;}

	/* yynn_features2 多元设计 end! */
/* yynn_features  end! */

/* yynn_case  start! */
	.yynn_case_list{margin:45px auto 0;}
	.yynn_case_item{width:49%;float:left;margin:0 2% 23px 0;}
	.yynn_case_item:nth-of-type(2n){margin:0 0 23px 0;}
	.yynn_case_item_txt{padding:24px;}
	.yynn_case_item_txt_r{width:46px;height:25px;float:right;}
	.yynn_case_item_txt_l{width:calc(100% - 53px);height:25px;float:left;line-height: 25px;font-size: 18px;}

	/* yynn_case 内容页 */
	.yynn_case_title{margin:50px auto 0;}
	.yynn_case_title h1{font-size: 23px;line-height: 30px;}
	.yynn_case_title h1 span{padding:0 15px 0 0;margin:0 18px 0 0;font-weight: bold;}
	.yynn_case_title h1 span:after{content: "";width:3px;height: 24px;position: absolute;top:5px;left:100%;}
	.yynn_case_top{margin:50px auto 0;}
	.yynn_case_scrollbar{margin:28px auto 0;position: relative;padding:0 10%;}
	.swiper_case_scrollbar{height:12px;border-radius: 12px;}

	/* yynn_case_main */
	.yynn_case_main{padding:50px 0 38px;}

	.yynn_case_title_item{float:left;font-size: 19px;line-height: 26px;}
	.yynn_case_title_item span{display: inline-block;padding:0 15px 0 0;margin:0 28px 0 0;color:#004477;font-weight: bold;position: relative;}
	.yynn_case_title_item span:after{content: "";width:3px;height: 20px;background-color: #004477;position: absolute;top:4px;left:100%;}
	.yynn_case_title_item1{width:25%;margin:0 5% 25px 0;}
	.yynn_case_title_item2{width:25%;margin:0 0 25px 0;}
	.yynn_case_title_item3{width:100%;margin:0;float:none;}

	.yynn_case_title_item2_l,.yynn_case_title_item2_r{display: inline-block;}
	.yynn_case_title_item2_r img{max-width: 135px;}
	.yynn_case_title_item2_l{margin-right: 15px;}
	.yynn_case_main_body{margin:30px auto 0;}
	.yynn_case_main_body>h2{font-size: 20px;line-height: 25px;}
	.yynn_case_main_content{margin:20px auto 0;min-height: 150px;}

	/* 工程案例封面页 分类 */
	.yynn_case_index{margin:40px auto 0;}
	.yynn_case_index_div{margin:0 auto 15px;}
	.yynn_case_index_img{width:66.5%;float:left;height:380px;}
	.yynn_case_index_txt{width:calc(100% - 66.5%);float:right;height:380px;}
	.yynn_case_index_div:nth-of-type(2n) .yynn_case_index_img{float:right;}
	.yynn_case_index_div:nth-of-type(2n) .yynn_case_index_txt{float:left;}
	.yynn_case_index_img>a.img{height:100%;}
	a.yynn_case_index_mask{height:100%;position: absolute;}
	.yynn_case_index_mask_in{position: absolute;top:50%;padding:0 15% 0 20%;
		-webkit-transform: translateY(-50%);
		-moz-transform: translateY(-50%);
		-ms-transform: translateY(-50%);
		-o-transform: translateY(-50%);
		transform: translateY(-50%);
	}
	.yynn_case_index_body h2{font-size: 26px;line-height: 40px;font-weight: 700;letter-spacing: 1px;}
	.yynn_case_index_body .yynn_section_more{margin:30px auto 0;font-size: 17px;line-height: 27px;font-weight: 700;}
	.yynn_case_index_body .yynn_section_more  span{margin-right: 12px;}
/* yynn_case  end! */

.yynn_search_title{margin:30px auto 0;font-size: 22px;line-height: 28px;}
.yynn_searchs .yynn_news_list{margin:20px auto 0;}
.yynn_searchs .yynn_case_list{margin:20px auto 0;}
.yynn_searchs .pagelist{margin:15px auto;}
.yynn_searchs .pagelist span{line-height: 28px;}

/* 产品系统 */
	.yynn_content_p4_img_item{width:33%;float:left;margin:0 0.5% 10px 0;}
	.yynn_content_p4_img_item:nth-of-type(3n){margin:0 0 10px 0;}

}
@media(max-width: 1200px){
.main1200{width:800px;margin:0 auto;}
.main1380{width:850px;margin:0 auto;}
.main1500{width:900px;margin:0 auto;}

.main1700{width:1000px;}
/* yynn_header start! */
.yynn_header{padding:20px 0;}
/* yynn_logo */
.yynn_logo{width:210px;float:left;}
.yynn_logo>h1>a{padding:13px 0;}
.yynn_logo>h1>a>img{height:80px;}

/* yynn_nav */
.yynn_nav{width:calc(100% - 360px);float: left;margin-left:0;}
.yynn_nav>ul>li{margin:0 0 0 20px;}
.yynn_nav>ul>li>a{font-size: 17px;height: 106px;padding:30px 0;}
.yynn_nav>ul>li>a>span{line-height: 46px;height: 46px;}

/* yynn_nav_sons */
.yynn_nav_sons{width:220%;top:95%;left:-60%;padding:10px 0;}
.yynn_nav_sons>li>a{font-size: 14px;line-height: 36px;}

/* yynn_search start! */
.yynn_search{width:50px;right:11.5%;top:50px;}
/* yynn_search end! */

/* yynn_search_div start! */
.yynn_search_div{padding:22% 25% 0;}
.yynn_search_div_close{width:36px;height:36px;font-size: 20px;top:-100px;}

/* yynn_search_div end! */

/* yynn_menu start! */
.yynn_menu{width: 50px;height: 26px;right:5%;top:65px;}
.yynn_menu span{width:36px;height:3px;}
/* yynn_menu end! */

/* yynn_menu_nav start! */
.yynn_menu_nav .yynn_nav_close{top: 8%;right: 6%;}
.yynn_menu_nav .yynn_nav_close img{width: 38px;}

.yynn_nav_row{width:16.66%;float:left;height:100%;}
.yynn_nav_row_out{height:100%;position: absolute;left:0;top:0;}
.yynn_nav_row_in{top:50%;text-align: left;padding:0 0 0 20%;
	transform: translateY(-50%);
	-webkit-transform: translateY(-50%);
	-moz-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	-o-transform: translateY(-50%);
}

.yynn_nav_row_h_cn{font-size:19px;font-weight: bold;line-height: 25px;letter-spacing: 1px;}
.yynn_nav_row_h_en{font-size:13px;line-height: 21px;margin:5px auto 0;}
.yynn_nav_ul{margin:10px auto 0;}
.yynn_nav_ul>li{margin:20px auto 0;}
.yynn_nav_ul>li>a{line-height: 25px;font-size: 16px;letter-spacing: 1px;}
.yynn_nav_son{padding:0 12px;margin:12px auto 0;}
.yynn_nav_son>li>a{line-height: 25px;font-size: 14px;}
.yynn_nav_icon.yynn_nav_icon_fixed{top:20px;}
/* yynn_menu_nav end! */

/* yynn_header_fixed */
.yynn_header.yynn_header_fixed{padding:10px 0;}
.yynn_header.yynn_header_fixed .yynn_logo>h1>a{padding:3px 0;}
.yynn_header.yynn_header_fixed .yynn_logo>h1>a>img{height:80px;}
.yynn_header.yynn_header_fixed .yynn_nav>ul>li>a{height: 80px;padding:17px 0;}
.yynn_header.yynn_header_fixed .yynn_search{top:27px;}
.yynn_header.yynn_header_fixed .yynn_menu{top:40px;}
/* yynn_header end! */

/* yynn_banner start! */
.yynn_banner{height:100%;}
.yynn_banner .swiper_banner{height:100%;}
.yynn_banner .swiper_banner .swiper-wrapper{height:100%;}
.yynn_banner .swiper_banner .swiper-wrapper .swiper-slide{height:100%}
.yynn_banner .swiper_banner .swiper-slide a{height:100%;}
.swiper_pagination_banner{bottom:5%;}
.swiper_pagination_banner .swiper-pagination-bullet{width:15px;height:15px;}
.swiper_button_banner{width:56px;height:56px;line-height: 56px;margin-top: -28px;font-size: 30px;}
.swiper_button_banner.swiper_button_banner_prev{left:3%;}
.swiper_button_banner.swiper_button_banner_next{right:3%;}

/* yynn_banner end! */

/* yynn_top_mask start! */
.yynn_top_mask{height: 100%;position: absolute;left:0;top:0;z-index: 2;}
.yynn_top_mask_in{position: absolute;left:0;top:50%;
	transform: translateY(-50%);
	-webkit-transform: translateY(-50%);
	-moz-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	-o-transform: translateY(-50%);
}
.yynn_top_main{padding:0 20%;}
.yynn_top_en p{font-size: 29px;line-height: 38px;font-weight: 700;}
.yynn_top_span{margin:6px 0 15px;}
.yynn_top_span span{display:inline-block;width:3%;height:5px;}
.yynn_top_cn{font-size: 23px;line-height: 28px;letter-spacing: 8px;font-weight: 100;}
/* yynn_top_mask end! */

/* video  bg  start! */
#container{width:100%;height:100%;overflow: hidden;position: absolute;top: 0;left: 0;right: 0;bottom: 0;}
#background_video{position: absolute;top: 50%;left: 50%;transform: translate(-50%,-50%);height: 100%;width: 100%;object-fit: cover;}
#video_cover{position: absolute;width: 100%;height: 100%;background: url('/style/css/bg.jpg') no-repeat;background-size: cover;background-position: center;}
#video_controls{position: absolute;left: 50%;transform: translate(-50%,0);display: none;}
#play img{width: 100%;}
#pause img{width: 90px;}
#pause{display: none;}
#container{height: 100%;}
#overlay{position: absolute;top: 0;right: 0;left: 0;bottom: 0;background: rgba(0,0,0,0.005);}
/* video  bg  end! */


/* yynn_section start! */
.yynn_section{padding:80px 0;}
.yynn_section_more{margin:80px auto 0;}
.yynn_section_more a{font-size: 14px;line-height: 30px;}
.yynn_section_more a span{margin-right: 10px;}

/* yynn_section end! */
/* yynn_about start! */
.yynn_about{background:url('../image/yynn_about_bg.jpg') no-repeat center center;padding:120px 0 90px;}
.yynn_about_mains{width:57%;float:right;}
/* yynn_about_title */
.yynn_about_title_en{font-size: 36px;line-height: 45px;font-weight: bold;}
.yynn_about_title_cn{margin:10px auto 0;font-size: 24px;line-height: 30px;letter-spacing: 2px;}
/* yynn_about_p */
.yynn_about_p{margin:55px auto 0;font-size: 15px;line-height: 2;}
.yynn_about_p p{font-size: 15px;line-height: 2;}
.yynn_about_img{margin:40px auto 0;}

/* yynn_about end! */

/* yynn_product1 end! */
.yynn_product1{background:url('../image/yynn_product1_bg.jpg') no-repeat top center;padding:90px 0 160px;}
.yynn_product_h{padding:0 0 25px;}
.yynn_product_h_l{width:47%;float:left;}
.yynn_product_h_l p{font-size: 36px;line-height: 50px;font-weight: 700;}

.yynn_product_h_r{width:47%;float:right;}
.yynn_product_h_r_auto{height:70px;}
.yynn_product_h_r p{font-size: 27px;line-height: 40px;font-weight: 700;text-align: right;}

/* yynn_product_main */
.yynn_product_main{width:60%;margin:0;}
.yynn_product1 .yynn_product_main{margin:150px 0 0;}
.yynn_product_title_en{font-size: 32px;line-height: 40px;}
.yynn_product_title_cn{margin:10px auto 0;font-size: 26px;line-height: 36px;font-weight: 700;letter-spacing: 2px;}
.yynn_product_span{width:100%;margin:10px 0 0;}
.yynn_product_span span{display:inline-block;width:3%;height:5px;}
/* yynn_product_p */
.yynn_product_p{margin:20px auto 0;}
.yynn_product_p p{margin:0 auto;font-size: 15px;line-height: 2;}

/* yynn_product1 end! */

/* yynn_product2 start! */
.yynn_product2{background:url('../image/yynn_product2_bg.jpg') no-repeat top center;padding:180px 0 155px;}
/* yynn_product2 end! */

/* yynn_case start! */
.yynn_case{padding:90px 0;}
.yynn_case_h_l{width:32%;float:left;}
.yynn_case_h_l p{font-size: 36px;line-height: 50px;font-weight: 700;}

.yynn_case_h_r{width:63%;float:right;}
.yynn_case_h_r_auto{height:40px;}
.yynn_case_h_r p{font-size: 22px;line-height: 30px;font-weight: 400;text-align: right;}

.yynn_case_mains{margin:90px auto 0;}
/* yynn_case_l */
.yynn_case_l{width:220px;float:left;}
.tab .tab-head.yynn_case_l .tab-nav li{margin:0 auto 12px;}
.tab .tab-head.yynn_case_l .tab-nav li:before{top:22px;left:-110%;}
.tab .tab-head.yynn_case_l .tab-nav li a{line-height: 40px;height:40px;font-size: 20px;}

/* yynn_case_r */
.yynn_case_r{width:calc(100% - 250px);float:right;padding:15px 0 0;}


/* swiper_case start! */
.swiper_case0 .swiper-slide>a{padding: 68% 0 0;}
.swiper_case0 .swiper-slide .yynn_case_slide_txt{margin:20px auto 0;}
.swiper_case0 .swiper-slide .yynn_case_slide_txt a{font-size: 22px;line-height: 30px;height: 30px;}
.swiper_button_case{width:50px;height:50px;line-height: 50px;font-size: 21px;position: absolute;top:auto;bottom:50px;}
.swiper_button_case.swiper_button_case_prev{left:-250px;}
.swiper_button_case.swiper_button_case_next{left:-175px;}

/* swiper_case end! */

/* yynn_case end! */

/* yynn_tab start! */
.yynn_tab .tab .tab-head .tab-nav li{padding:0 10px;margin:0 0 0 45px;}
.yynn_tab .tab .tab-head .tab-nav li:after{height: 2px;}
.yynn_tab .tab .tab-head .tab-nav li a{line-height: 40px;height:40px;font-size: 22px;}
.yynn_tab .tab .yynn_tab_main.tab-body{margin:45px auto 0;}

/* yynn_tab end! */

/* yynn_feature start! */
.yynn_feature{background:url('../image/yynn_feature_bg.jpg') no-repeat top center;padding:90px 0 100px;}

.yynn_feature_h{color:#fff;}
.yynn_feature_h_l{width:45%;float:left;}
.yynn_feature_h_l p{font-size: 36px;line-height: 50px;font-weight: 700;}

.yynn_feature_h_r{width:50%;float:right;text-align: right;}
.yynn_feature_h_r_auto{height:100px;}

/* swiper_feature */
.swiper_feature .swiper-slide>a.yynn_feature_img{padding:40% 0 0;}
.swiper_button_feature{width:56px;height:56px;line-height: 56px;margin-top: -28px;font-size: 24px;}

/* yynn_feature_mask */
.yynn_feature_mask_in{top:22%;padding:0 5%;}
.yynn_feature_body{width:30%;float:right;border-left:5px solid #ac9068;padding:0 0 0 15px;}
.yynn_feature_body h3{font-size: 25px;font-weight: 700;line-height: 32px;letter-spacing: 1px;}
.yynn_feature_body p{margin:10px auto 0;font-size: 17px;line-height: 25px;}

/* yynn_feature end! */

/* qyynn_news start! */
.qyynn_news{padding:90px 0;}
.qyynn_news_h_l{width:45%;float:left;}
.qyynn_news_h_l p{width:100%;font-size: 33px;line-height: 50px;font-weight: 700;}

.qyynn_news_h_r{width:50%;float:right;text-align: right;}
/* yynn_news_main */
.qyynn_news_main{margin:35px auto 0;}
.qyynn_news_item{width:32%;float:left;margin:0 2% 0 0;height: 394px;}
.qyynn_news_item:nth-of-type(3n){margin:0;}
.qyynn_news_item_img{height:205px;}
.qyynn_news_item_txt{padding:25px 30px;}
.qyynn_news_item_h a{font-size: 16px;line-height: 25px;height:50px;font-weight: 400;color:#111;}
.qyynn_news_item_date{margin:5px auto 0;font-size: 14px;line-height: 20px;}
.qyynn_news_item_date i{margin-right: 5px;}
.qyynn_news_item_p{margin:20px auto 0;font-size: 14px;line-height: 22px;height:44px;}
/* yynn_news_ul */
.yynn_news_ul{padding:25px 25px;}
.qqyynn_news_li{margin:12px auto 0;}
.qyynn_news_li:nth-of-type(1){margin:0 auto;}
.qyynn_news_li:nth-of-type(5){display: none;}

.qyynn_news .yynn_section_more{text-align: center;margin:45px auto 0;}

/* qyynn_news end! */

/* yynn_footer start! */
	.yynn_footer{margin:110px auto 0;padding:40px 4% 50px;background:url('../image/yynn_footer_bg.jpg') no-repeat top center;min-height: 100px;}
	.yynn_footer_weixin{width:130px;position: absolute;left:50%;margin-left: -65px;top:-50px;}
	.yynn_footer_weixin_txt{margin:5px auto 0;font-size: 18px;line-height: 25px;}
	.yynn_footer p{line-height: 28px;font-size: 15px;}
	.yynn_footer_l{width:42%;float:left;}
	.yynn_footer_r{width:45%;float:right;text-align: right;}
	.yynn_footer_icon a{margin:0 0 0 5px;width:33px;height:33px;line-height: 32px;font-size: 17px;}
	.yynn_footer_weixin_hover{width:80px;height:80px;right:-30px;top:-90px;}
	/* yynn_footer_tel */
	.yynn_footer_tel{margin:10px auto 0;font-size: 20px;line-height: 25px;}
	.yynn_footer_tel span{font-weight: normal;}
	.yynn_footer_a{margin:10px auto 0;}
	.yynn_footer_a a{font-size: 15px;line-height: 25px;}
/* yynn_footer end! */

/* yynn_position  start! */
	.yynn_position{height: 50px;}
	.yynn_position_item{width:50%;float:left;padding:0 20px;height: 50px;}
	.yynn_position_main{line-height: 50px;height:50px;font-size: 12px;}
	.yynn_position_txt{line-height: 50px;height:50px;font-size: 16px;}
	.yynn_position_txt a{font-weight: normal;}
	.yynn_position_txt a i{font-weight: bold; font-size: 20px;margin:0 2% 0 15%;width:25px;}
	.yynn_position_txt_nav{width:calc(100% + 40px);position: absolute;top:100%;right:-20px;}
	.yynn_position_txt_nav li:first-child{margin:18px auto 0;}
	.yynn_position_txt_nav li:last-child{margin:0 auto 18px;}
	.yynn_position_txt_nav li a{font-size: 14px;padding:0 20px;font-weight: normal;line-height: 33px;height:33px;}
	.yynn_position_txt_nav li a i{margin:0 2% 0 15%;width:23px;font-size: 13px;}
/* yynn_position  end! */

/* yynn_main  start! */
	.yynn_page1_mask_en{width:50%;font-size: 26px;line-height: 33px;}
  	.yynn_page1_mask_cn{width:50%;font-size: 38px;margin-top:0;line-height: 45px;padding-bottom: 12px;}
  	.yynn_page1_mask_cn span{font-weight: bold;margin-left: 5px;}
	.yynn_main{min-height: 200px;}
	.yynn_main p{font-size: 15px;line-height: 2;}
	.yynn_main iframe{width:600px;height:420px;margin:50px auto 0;}
	.yynn_content{margin:15px auto 0;}

	/* yynn_content_title */
	.yynn_content_title{margin:45px auto 30px;}
	.yynn_content_title_cn{font-size: 22px;line-height: 30px;}
	.yynn_content_title_en{font-size: 16px;line-height: 25px;}
	.yynn_content_title_p{margin:14px auto 0;}
	.yynn_content_title_p p{font-size: 13px;line-height: 21px;}

	/* yynn_content_div */
	.yynn_content_div{margin:35px auto 0;}
	.yynn_content_div_title h2{padding:0 0 0 15px;border-left: 3px solid #004477;font-size:20px;line-height: 25px;}
	.yynn_content_div_body{margin:15px auto 0;padding:25px 0 0;}
/* yynn_main  end! */

/* yynn_about  start! */
	.yynn_div{margin:10px auto 0;}
	.yynn_div_title{margin:50px auto 30px;font-size: 19px;line-height: 30px;}
	.yynn_about_main{margin:40px auto 0;}
	.yynn_div_img img{display:inline-block;margin:0 20px;max-width:300px;}
	.yynn_div_p{margin:40px auto;}
	.yynn_div_p p{font-size: 15px;line-height: 25px;}
	.yynn_div_manufacturing02{margin:90px auto 0;}
/* yynn_about  end! */

/* yynn_product  start! */
	.yynn_div_product_item{width:49.5%;margin:0 1% 15px 0;float:left;}
	.yynn_div_product_item:nth-of-type(2n){margin:0 0 15px 0;}
	.yynn_div_product_item_txt{padding:20px 40px;}
	.yynn_div_product_item_txt .yynn_more{width:50px;float:right;}
	.yynn_div_product_item_txt .yynn_txt{width:calc(100% - 60px);float:left;padding:0 0 0 12px;border-left:3px solid #004477;font-size: 17px;height:25px;line-height: 25px;}
	.yynn_div_p2 .yynn_div_product_item_txt .yynn_txt{border-left:3px solid #ac9068;}

	/* yynn_content_div */
	.yynn_content_product_img{width:230px;padding:15px 0 0;}
	.yynn_content_product_txt{width:calc(100% - 280px);float:left;}

	/* yynn_ul */
	.yynn_li_l{width:135px;float:left;padding:10px 0;}
	.yynn_li_r{width:calc(100% - 155px);float:right;padding:10px 0;}
	.yynn_li span{font-size: 14px;line-height: 25px;}
	.yynn_content_div3 .yynn_ul .yynn_li{padding:10px 0;}
	.yynn_li_h{font-size: 16px;font-weight: normal;line-height: 26px;}
	.yynn_li_p{font-size: 14px;line-height: 26px;}
	.yynn_content_div4 .yynn_ul .yynn_li{padding:10px 0;}
	.yynn_content_div4 .yynn_ul .yynn_li.yynn_li_div4{padding:20px 0;}
	.yynn_li_item{width:32%;float:left;padding:5px;margin:5px 2% 5px 0;}
	.yynn_li_item:nth-of-type(3n){margin:5px 0 5px 0;}
	.yynn_li_item a{font-size: 14px;font-weight: normal;line-height: 24px;}
/* yynn_product  end! */

/* yynn_news  start! */
	.yynn_news_list{margin:45px auto 0;}
	.yynn_news_item{width:49%;float:left;margin:0 2% 25px 0;}
	.yynn_news_item:nth-of-type(3n){margin:0 2% 25px 0;}
	.yynn_news_item:nth-of-type(2n){margin:0 0 25px 0;}
	.yynn_news_item_txt{margin:12px auto 0;}
	.yynn_news_item_txt_h a{font-size: 16px;line-height: 25px;height:25px;}
	.yynn_news_item_txt_date{margin:3px auto 0;font-size: 12px;line-height: 18px;}

	/* yynn_news_show */
	.yynn_news_show{margin:15px auto 0;padding:45px 0;}
	.yynn_news_show_h h1{font-size: 20px;line-height: 25px;}
	.yynn_news_show_span{margin:15px auto 0;padding:10px 20px;font-size: 12px;line-height: 20px;}
	.yynn_news_show_span_r{width:200px;float:right;text-align: right;}
	.yynn_news_show_span_l{width:calc(100% - 210px);float:left;}
	.yynn_news_show_span_l span{margin:0 5px 0 0;}
	.yynn_news_show_content{margin:25px auto 0;min-height: 120px;}
	.yynn_news_show_content p{line-height: 2;}
/* yynn_news  end! */

/* yynn_contact  start! */
	.yynn_contact_div{margin:45px auto 0;}
	.yynn_contact_div_h{padding:0 15px;border-left:3px solid #ac9068;font-size: 20px;line-height: 25px;}
	.yynn_contact_div_main{margin:25px auto 0;}
	.yynn_contact_txt{padding:25px;}
	.yynn_contact_item{margin:0 auto 10px;float:left;font-size: 17px;line-height: 26px;height:26px;overflow: hidden;text-overflow: ellipsis;white-space: nowrap;padding:0 15px 0 0;}
	.yynn_contact_item span{font-weight: bold;}
	/* yynn_form */
	.yynn_form_div .form-group{width:49%;float:left;margin:0 2% 0 0;}
	.yynn_form_div .form-group:nth-of-type(2n){margin:0;}
	.yynn_form .button{padding:8px 40px;}
/* yynn_contact  end! */

/* yynn_features  start! */
	.yynn_features_title{margin:45px auto 0;}
	.yynn_features_title_cn{font-size: 21px;line-height: 30px;}
	.yynn_features_title_cn span{font-weight: bold;}
	.yynn_features_title_en{font-size: 17px;line-height: 24px;}
	/* yynn_features_main */
	.yynn_features_main{margin:30px auto 0;}
	.yynn_features_div{margin:10px auto;}
	.yynn_features_div_mask p{font-size: 18px;line-height: 27px;}
	.yynn_features_div_mask p span{font-weight: bold;}

	.yynn_features_div1 .yynn_features_div_mask_in{top:30%;}
	/* yynn_features_div2 */
	.yynn_features_div.yynn_features_div2{padding:45px 0;}
	.yynn_features_div2_item{padding:0 5%;}
	.yynn_features_div2_item_txt{width:60%;float:left;position: relative;}
	.yynn_features_div2_item_img{width:40%;float:right;text-align: center;}
	.yynn_features_div2_item .yynn_features_div2_item_txt p{padding:0 25px;}
	.x6:nth-of-type(2) .yynn_features_div2_item .yynn_features_div2_item_txt p{text-align: right;}
	/* yynn_features_div3 */
	.yynn_features_div3 .x6{float:right;text-align: right;}

	/* yynn_features_div4 */
	.yynn_features_div4 .x6{text-align: right;padding:0 8% 0 0;}
	.yynn_features_div4 .x6 p{color:#004477;}

	/* yynn_features_div5 */
	.yynn_features_div5 p{color:#004477; text-align: center;margin:-5% auto 0;}

	/* yynn_features_div6 */
	.yynn_features_div6 .x6{float:right;text-align: right;padding:0  8% 0 0;}
	.yynn_features_div6 .x6 p{color:#004477;}

	/* yynn_features_div7 */
	.yynn_features_div7 .x6{padding:0 0 0 8%;}
	.yynn_features_div7 .x6 p{color:#004477;}

	/* yynn_features2 多元设计 start! */
		.yynn_features2_group{border-left: 4px solid #ac9068;padding:0 0 0 15px;}
		.yynn_features2_group .yynn_features2_title{font-size: 23px;line-height: 30px;}
		.yynn_features2_group .yynn_features_p{margin:8px auto 0;}
		.yynn_features2_group .yynn_features_p p{font-size: 14px;line-height: 23px;}

		/* yynn_features_div2 */
		.yynn_features2_div2 .x6{float:right;padding:0 0 0 15%;}

		/* yynn_features_div4 */
		.yynn_features2_div4 .x6{float:right;padding:0 0 0 15%;}

		/* yynn_features_div6 */
		.yynn_features2_div6 .x6{float:right;padding:0 0 0 15%;}

	/* yynn_features2 多元设计 end! */
/* yynn_features  end! */

/* yynn_case  start! */
	.yynn_case_list{margin:45px auto 0;}
	.yynn_case_item{width:49%;float:left;margin:0 2% 20px 0;}
	.yynn_case_item:nth-of-type(2n){margin:0 0 20px 0;}
	.yynn_case_item_txt{padding:20px 25px;}
	.yynn_case_item_txt_r{width:46px;height:25px;float:right;}
	.yynn_case_item_txt_l{width:calc(100% - 53px);height:25px;float:left;line-height: 25px;font-size: 16px;}

	/* yynn_case 内容页 */
	.yynn_case_title{margin:40px auto 0;}
	.yynn_case_title h1{font-size: 21px;line-height: 26px;}
	.yynn_case_title h1 span{padding:0 15px 0 0;margin:0 18px 0 0;font-weight: bold;}
	.yynn_case_title h1 span:after{content: "";width:3px;height: 20px;position: absolute;top:5px;left:100%;}
	.yynn_case_top{margin:35px auto 0;}
	.yynn_case_scrollbar{margin:22px auto 0;position: relative;padding:0 10%;}
	.swiper_case_scrollbar{height:12px;border-radius: 12px;}

	/* yynn_case_main */
	.yynn_case_main{padding:45px 0 30px;}

	.yynn_case_title_item{float:left;font-size: 17px;line-height: 25px;}
	.yynn_case_title_item span{display: inline-block;padding:0 15px 0 0;margin:0 28px 0 0;color:#004477;font-weight: bold;position: relative;}
	.yynn_case_title_item span:after{content: "";width:3px;height: 17px;background-color: #004477;position: absolute;top:6px;left:100%;}
	.yynn_case_title_item1{width:25%;margin:0 5% 25px 0;}
	.yynn_case_title_item2{width:25%;margin:0 0 25px 0;}
	.yynn_case_title_item3{width:100%;margin:0;float:none;}

	.yynn_case_title_item2_l,.yynn_case_title_item2_r{display: inline-block;}
	.yynn_case_title_item2_r img{max-width: 115px;}
	.yynn_case_title_item2_l{margin-right: 15px;}
	.yynn_case_main_body{margin:25px auto 0;}
	.yynn_case_main_body>h2{font-size: 18px;line-height: 25px;}
	.yynn_case_main_content{margin:20px auto 0;min-height: 120px;}

	/* 工程案例封面页 分类 */
	.yynn_case_index{margin:35px auto 0;}
	.yynn_case_index_div{margin:0 auto 15px;}
	.yynn_case_index_img{width:66.5%;float:left;height:340px;}
	.yynn_case_index_txt{width:calc(100% - 66.5%);float:right;height:340px;}
	.yynn_case_index_div:nth-of-type(2n) .yynn_case_index_img{float:right;}
	.yynn_case_index_div:nth-of-type(2n) .yynn_case_index_txt{float:left;}
	.yynn_case_index_img>a.img{height:100%;}
	a.yynn_case_index_mask{height:100%;position: absolute;}
	.yynn_case_index_mask_in{position: absolute;top:50%;padding:0 13% 0 17%;
		-webkit-transform: translateY(-50%);
		-moz-transform: translateY(-50%);
		-ms-transform: translateY(-50%);
		-o-transform: translateY(-50%);
		transform: translateY(-50%);
	}
	.yynn_case_index_body h2{font-size: 22px;line-height: 35px;font-weight: 700;letter-spacing: 0;}
	.yynn_case_index_body .yynn_section_more{margin:25px auto 0;font-size: 17px;line-height: 25px;font-weight: 700;}
	.yynn_case_index_body .yynn_section_more  span{margin-right: 10px;}
/* yynn_case  end! */
.yynn_search_title{margin:25px auto 0;font-size: 20px;line-height: 28px;}
.yynn_searchs .yynn_news_list{margin:15px auto 0;}
.yynn_searchs .yynn_case_list{margin:15px auto 0;}
.yynn_searchs .pagelist{margin:10px auto;line-height: 30px;}
.yynn_searchs .pagelist span{line-height: 28px;}

/* 产品系统 */
	.yynn_content_p4_img_item{width:49.5%;float:left;margin:0 1% 10px 0;}
	.yynn_content_p4_img_item:nth-of-type(3n){margin:0 1% 10px 0;}
	.yynn_content_p4_img_item:nth-of-type(2n){margin:0 0 10px 0;}

}

@media(max-width: 1000px){
	.main1700{width:100%;padding:0 5%;}

	.yynn_nav{display:none;}
	

	/* 右上角 导航菜单js脚本代码 开始 */
	.yynn_nav_icon{width:40px;height:40px;top:45px;right:5%;}
	.yynn_nav_icon span{margin: 8px auto;height:3px;border-radius: 3px;}
	.yynn_nav .yynn_nav_close{top: 4%;right: 4%;}
	.yynn_nav .yynn_nav_close img{width: 30px;;}
	.yynn_nav_row_click{width:100%;float:none;height:16.66%;overflow: hidden;transition: height .3s;position: relative;}
	.yynn_nav_row_click:nth-of-type(1){background-color: #30a9ed;}
	.yynn_nav_row_click:nth-of-type(2){background-color: #2b9bdb;}
	.yynn_nav_row_click:nth-of-type(3){background-color: #218dca;}
	.yynn_nav_row_click:nth-of-type(4){background-color: #1e81ba;}
	.yynn_nav_row_click:nth-of-type(5){background-color: #1d77ab;}
	.yynn_nav_row_click:nth-of-type(6){background-color: #1d77ab;}
	.yynn_nav_row_out{width:100%;height:100%;position: absolute;left:0;top:0;}
	.yynn_nav_row_in{width:100%;position: absolute;left:0;top:50%;padding:0 0 0 10%;
		transform: translateY(-50%);
		-webkit-transform: translateY(-50%);
		-moz-transform: translateY(-50%);
		-ms-transform: translateY(-50%);
		-o-transform: translateY(-50%);
	}
	.yynn_nav_row_h{width:30%;margin:0;}
	.yynn_nav_row_h_cn{font-size:17px;font-weight: bold;line-height: 22px;letter-spacing: 1px;}
	.yynn_nav_row_h_en{font-size:11px;line-height: 18px;margin:5px auto 0;}
	.yynn_nav_ul{width:50%;margin:5px 0 0;overflow: hidden;display: none;}
	.yynn_nav_ul>li{margin:15px auto 0;width:auto;}
	.yynn_nav_ul>li>a{line-height: 23px;font-size: 15px;letter-spacing: 1px;display: inline-block;width:auto;}
	.yynn_nav_son{padding:0 10px;margin:10px auto 0;display: block;}
	.yynn_nav_son>li>a{line-height: 22px;font-size: 13px;}
	.yynn_nav_icon.yynn_nav_icon_fixed{top:20px;}
	/* 右上角 导航菜单js脚本代码 结束 */
}

@media(max-width: 640px){

.banner1 {
	width: 19% !important;
	z-index: 0;
	left: 0% !important;
	top: 22% !important;
}
.banner2 {
	width: 19% !important;
	left: 20% !important;
	z-index: 2;
	top: 22% !important;
}
.banner3 {
	width: 19% !important;
	left: 41% !important;
	z-index: 1;
	top: 22% !important;
}
.banner4 {
	width: 22% !important;
	left: 61% !important;
	z-index: 1;
	top: 26% !important;
}
.banner5 {
	width: 22% !important;
	top: 24% !important;
	z-index: 1;
	left: 81% !important;
}
.banner6 {
	width: 20% !important;
	left: 0% !important;
	top: 36% !important;
	z-index: 4;
}
.banner7 {
	width: 17.5% !important;
	left: 20% !important;
	top: 34% !important;
	z-index: 2;
}
.banner8 {
	width: 23% !important;
	left: 23.5% !important;
	top: 48% !important;
	z-index: 2;
}
.banner9 {
	width: 29% !important;
	left: 30% !important;
	top: 29% !important;
	z-index: 2;
}
.banner10 {
	width: 24% !important;
	left: 34% !important;
	top: 69% !important;
	z-index: 1 !important;
}
.banner11 {
	width: 26% !important;
	left: 49% !important;
	top: 48% !important;
	z-index: 1;
}
.banner12 {
	width: 23% !important;
	left: 76% !important;
	top: 44% !important;
	z-index: 1;
}
.banner13 {
	width: 9% !important;
	left: 0% !important;
	top: 69% !important;
	z-index: 0;
}
.banner14 {
	width: 23% !important;
	left: 3% !important;
	top: 63% !important;
	z-index: 4;
}
.banner15 {
	width: 23% !important;
	left: 14% !important;
	top: 77% !important;
	z-index: 0;
}
.banner16 {
	width: 17% !important;
	left: 41% !important;
	top: 88% !important;
	z-index: 1;
}
.banner17 {
	width: 21% !important;
	left: 61% !important;
	top: 77% !important;
	z-index: 0;
}
.banner18 {
	width: 23.5% !important;
	left: 60% !important;
	top: 89% !important;
	z-index: 1;
}
.banner19 {
	width: 7% !important;
	left: 83% !important;
	top: 72% !important;
	z-index: 0;
}
.banner20 {
	width: 10% !important;
	left: 90% !important;
	top: 69% !important;
	z-index: 0;
}
.banner21 {
	width: 19% !important;
	left: 82% !important;
	top: 92% !important;
	z-index: 0;
}
.banner22 {
	width: 18% !important;
	left: 76% !important;
	top: 67% !important;
	z-index: 0;}


}

@media(max-width: 640px){
section.page1 {width: 100% !important;top: 0;left: 0;height:100% !important;position: relative;}
section.page2 {width: 100%;left: 0;top: 0;height:auto;position: relative;}
.main1200{width:100%;}
.main1380{width:100%;}
.main1500{width:100%;}

.main1700{width:100%;padding:0;}
/* yynn_header start! */
.yynn_header{padding:0 10px;transition: all 0;}
/* yynn_logo */
.yynn_logo{width:210px;float:left;}
.yynn_logo>h1>a{padding:0;}
.yynn_logo>h1>a>img{height:60px;}

/* yynn_nav */
.yynn_nav{width:calc(100% - 250px);float: left;margin-left:0;}
.yynn_nav>ul>li{margin:0 0 0 35px;}
.yynn_nav>ul>li>a{font-size: 17px;height: 106px;padding:30px 0;}
.yynn_nav>ul>li>a>span{line-height: 46px;height: 46px;}

/* yynn_nav_sons */
.yynn_nav_sons{width:220%;top:95%;left:-60%;padding:10px 0;}
.yynn_nav_sons>li>a{font-size: 14px;line-height: 36px;}

/* yynn_search start! */
.yynn_search{width:50px;right:18.5%;top:27px;}
/* yynn_search end! */

/* yynn_search_div start! */
.yynn_search_div{padding:22% 25% 0;}
.yynn_search_div_close{width:36px;height:36px;font-size: 20px;top:-100px;}

/* yynn_search_div end! */

/* yynn_menu start! */
.yynn_menu{width: 40px;height: 26px;right:20px;top:18px;}
.yynn_menu span{width:36px;height:3px;}
/* yynn_menu end! */

/* yynn_menu_nav start! */
.yynn_menu_nav .yynn_nav_close{top: 4%;right: 4%;}
.yynn_menu_nav .yynn_nav_close img{width: 30px;}

.yynn_nav_row_click{width:100%;float:none;height:16.66%;overflow: hidden;/*transition: height .3s;*/position: relative;}
.yynn_nav_row{width:16.66%;float:left;height:100%;}
.yynn_nav_row_out{height:100%;position: absolute;left:0;top:0;}
.yynn_nav_row_in{top:50%;text-align: left;padding:0 0 0 10%;
	transform: translateY(-50%);
	-webkit-transform: translateY(-50%);
	-moz-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	-o-transform: translateY(-50%);
}

.yynn_nav_row_h{width:40%;margin:0;}
.yynn_nav_row_h_cn{font-size:17px;font-weight: bold;line-height: 22px;letter-spacing: 1px;}
.yynn_nav_row_h_en{font-size:11px;line-height: 18px;margin:0 auto;}

.yynn_nav_ul{width:50%;margin:5px 0 0;overflow: hidden;display: none;}
.yynn_nav_ul>li{margin:8px auto 0;width:auto;}
.yynn_nav_ul>li>a{line-height: 23px;font-size: 15px;letter-spacing: 1px;display: inline-block;width:auto;}
.yynn_nav_son{padding:0 10px;margin:10px auto 0;display: none;}
.yynn_nav_son>li>a{line-height: 22px;font-size: 13px;}



/* yynn_menu_nav end! */

/* yynn_header_fixed */
.yynn_header.yynn_header_fixed{padding:0 10px;box-shadow: 0 0 5px #18517e;}
.yynn_header.yynn_header_fixed .yynn_logo>h1>a{padding:0;}
.yynn_header.yynn_header_fixed .yynn_logo>h1>a>img{height:60px;}
.yynn_header.yynn_header_fixed .yynn_menu{top:18px;display: block;}
/* yynn_header end! */

/* yynn_banner start! */
.yynn_banner{height:100%;}
.yynn_banner .swiper_banner{height:100%;}
.yynn_banner .swiper_banner .swiper-wrapper{height:100%;}
.yynn_banner .swiper_banner .swiper-wrapper .swiper-slide{height:100%}
.yynn_banner .swiper_banner .swiper-slide a{height:100%;}
.swiper_pagination_banner{bottom:5%;}
.swiper_pagination_banner .swiper-pagination-bullet{width:15px;height:15px;}
.swiper_button_banner{width:56px;height:56px;line-height: 56px;margin-top: -28px;font-size: 30px;}
.swiper_button_banner.swiper_button_banner_prev{left:3%;}
.swiper_button_banner.swiper_button_banner_next{right:3%;}

/* yynn_banner end! */

/* yynn_top_mask start! */
.yynn_top_mask{height: 100%;position: absolute;left:0;top:0;z-index: 2;}
.yynn_top_mask_in{position: absolute;left:0;top:50%;
	transform: translateY(-50%);
	-webkit-transform: translateY(-50%);
	-moz-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	-o-transform: translateY(-50%);
}
.yynn_top_main{padding:0 10%;text-align: center;animation: move_margin_up 0s ease;}
.yynn_top_en p{font-size: 17px;line-height: 30px;font-weight: 700;}
.yynn_top_span{margin:4px 0 8px;}
.yynn_top_span span{display:inline-block;width:8%;height:3px;}
.yynn_top_cn{font-size: 15px;line-height: 25px;letter-spacing: 3px;font-weight: 100;}
/* yynn_top_mask end! */

/* video  bg  start! */
.video_m_hidden{display: none;}
#container{position: absolute;width:100%;height: 100%; top: 0;left: 0;right: 0;bottom: 0;}
#background_video{display: none!important;}
#video_cover{display: none!important;}
#video_controls{display: none!important;}
#play img{display: none!important;}
#pause img{display: none!important;}
#pause{display: none!important;}

/* video  bg  end! */



/* yynn_section start! */
.yynn_section{padding:30px 0;}
.yynn_section_more{margin:30px auto 0;}
.yynn_section_more a{font-size: 13px;line-height: 30px;text-align: center;}
.yynn_section_more a span{margin-right: 10px;}

/* yynn_section end! */
/* yynn_about start! */
.yynn_about{background:none;padding:30px 20px;}
.yynn_about_mains{width:100%;float:none;}
/* yynn_about_title */
.yynn_about_title{text-align: center;}
.yynn_about_title_en{font-size: 18px;line-height: 30px;font-weight: bold;}
.yynn_about_title_cn{margin:0 auto;font-size: 15px;line-height: 25px;letter-spacing: 0px;}
/* yynn_about_p */
.yynn_about_p{margin:25px auto 0;font-size: 14px;line-height: 2;}
.yynn_about_p p{font-size: 14px;line-height: 2;}
.yynn_about_img{margin:25px auto 0;text-align: center;padding:0 15%;}

/* yynn_about end! */

/* yynn_product1 end! */
.yynn_product1{background:url('../image/sjqwdz.jpg') no-repeat top center;padding:50px 10%;}
.yynn_product_h{padding:0 0 15px;text-align: center;}
.yynn_product_h_l{width:100%;float:none;}
.yynn_product_h_l p{font-size: 17px;line-height: 25px;font-weight: 700;}

.yynn_product_h_r{width:100%;float:none;margin:15px auto 0;}
.yynn_product_h_r_auto{height:0;}
.yynn_product_h_r p{font-size: 15px;line-height: 25px;font-weight: 400;text-align: center;}

/* yynn_product_main */
.yynn_product_main{width:100%;margin:0;text-align: center;}
.yynn_product1 .yynn_product_main{margin:25px auto 0;}
.yynn_product_title_en{font-size: 18px;line-height: 25px;color: #FFFFFF}
.yynn_product_title_cn{margin:5px auto 0;font-size: 22px;line-height: 30px;font-weight: 400;letter-spacing: 0;color: #FFFFFF}
.yynn_product_span{width:100%;margin:10px 0 0;}
.yynn_product_span span{display:inline-block;width:3%;height:5px;}
/* yynn_product_p */
.yynn_product_p{margin:20px auto 0;}
.yynn_product_p p{margin:0 auto;font-size: 15px;line-height: 2;color: #FFFFFF!important}

/* yynn_product1 end! */

/* yynn_product2 start! */
.yynn_product2{background:url('../image/sjmumen.jpg') no-repeat top center;padding:50px 10%;}
/* yynn_product2 end! */

/* yynn_case start! */
.yynn_case{padding:40px 20px;}
.yynn_case_h{text-align: center;}
.yynn_case_h_l{width:100%;float:none;}
.yynn_case_h_l p{font-size: 17px;line-height: 25px;font-weight: 700;}

.yynn_case_h_r{width:100%;float:none;margin:15px auto 0;}
.yynn_case_h_r_auto{height:0;}
.yynn_case_h_r p{font-size: 15px;line-height: 25px;font-weight: 400;text-align: center;}

.yynn_case_mains{margin:30px auto 0;}
/* yynn_case_l */
.yynn_case_l{width:100%;float:none;}
.tab .tab-head.yynn_case_l .tab-nav:after{content:"."; display:block; height:0; visibility:hidden; clear:both;font-size: 0;}
.tab .tab-head.yynn_case_l .tab-nav li{width:48%;float:left;margin:0 4% 10px 0;}
.tab .tab-head.yynn_case_l .tab-nav li:nth-of-type(2n){margin:0 0 10px 0;}
.tab .tab-head.yynn_case_l .tab-nav li:before{top:0;left:0;height: 0;}
.tab .tab-head.yynn_case_l .tab-nav li a{ line-height: 25px;height:auto;font-size: 14px;border:1px solid #aaa;color:#444;padding:5px;text-align: center;}
.tab .tab-head.yynn_case_l .tab-nav li.active a{border:1px solid #004477;color:#fff;background-color: #004477;}
/* yynn_case_r */
.yynn_case_r{width:100%;float:none;padding:0;margin:25px auto 0;}


/* swiper_case start! */
.swiper_case0 .swiper-slide>a{padding: 68% 0 0;}
.swiper_case0 .swiper-slide .yynn_case_slide_txt{margin:12px auto 0;}
.swiper_case0 .swiper-slide .yynn_case_slide_txt a{font-size: 14px;line-height: 25px;height: 25px;text-align: center;}
.swiper_button_case{width:40px;height:40px;line-height: 40px;font-size: 17px;position: absolute;top:50%;bottom:auto;}
.swiper_button_case.swiper_button_case_prev{left:5%;}
.swiper_button_case.swiper_button_case_next{right:5%;left:auto;}

/* swiper_case end! */

/* yynn_case end! */

/* yynn_tab start! */
.yynn_tab .tab .tab-head .tab-nav{text-align:center;font-size: 0;}
.yynn_tab .tab .tab-head .tab-nav li{display: inline-block;width:40%; padding:0;margin:0 2%;}
.yynn_tab .tab .tab-head .tab-nav li:after{height: 0;}
.yynn_tab .tab .tab-head .tab-nav li a{line-height: 25px;height:auto;font-size: 14px;border:1px solid #aaa;color:#fff;padding:5px;text-align: center;}
.yynn_tab .tab .tab-head .tab-nav li.active a{border:1px solid #004477;color:#fff;background-color: #004477;}
.yynn_tab .tab .yynn_tab_main.tab-body{margin:30px auto 0;}

/* yynn_tab end! */

/* yynn_feature start! */
.yynn_feature{background:url('../image/sjyoushi.jpg') no-repeat top center;padding:50px 20px;}

.yynn_feature_h{color:#fff;text-align: center;}
.yynn_feature_h_l{width:100%;float:none;}
.yynn_feature_h_l p{font-size: 17px;line-height: 25px;font-weight: 700;}

.yynn_feature_h_r{width:100%;float:none;text-align: center;margin:25px auto 0;}
.yynn_feature_h_r_auto{height:0;}

/* swiper_feature */
.swiper_feature .swiper-slide>a.yynn_feature_img{padding:60% 0 0;}
.swiper_button_feature{width:40px;height:40px;line-height: 40px;margin-top: -20px;font-size: 16px;}

/* yynn_feature_mask */
.yynn_feature_mask_in{top:22%;padding:0 5%;}
.yynn_feature_body{width:70%;float:right;border-left:3px solid #ac9068;padding:0 0 0 10px;}
.yynn_feature_body h3{font-size: 16px;font-weight: 400;line-height: 25px;letter-spacing: 0px;}
.yynn_feature_body p{margin:5px auto 0;font-size: 13px;line-height: 20px;}

/* yynn_feature end! */

/* qyynn_news start! */
.qyynn_news{padding:0px 5px;}
.qyynn_news_h_l{width:100%;float:none;text-align: center;}
.qyynn_news_h_l p{width:100%;font-size: 22px;line-height: 25px;font-weight: 700;}

.qyynn_news_h_r{width:100%;float:none;text-align: center;margin:0px auto 0;}

.qyynn_news.yynn_tab .tab .tab-head .tab-nav li.active a{color:#fff;}

/* qyynn_news_main */
.qyynn_news_main{margin:20px auto 0;}
.qyynn_news_item{width:100%;float:none;margin:0 auto 15px;height: auto;}
.qyynn_news_item:nth-of-type(3n){margin:0;}
.qyynn_news_item_img{height:auto;}
.qyynn_news_item_img .img{height:auto;padding:56.75% 0 0;}
.qyynn_news_item_txt{padding:20px 25px;}
.qyynn_news_item_h a{font-size: 16px;line-height: 25px;height:auto;display:block;}
.qyynn_news_item_date{margin:7px auto 0;font-size: 13px;line-height: 20px;}
.qyynn_news_item_date i{margin-right: 5px;}
.qyynn_news_item_p{margin:10px auto 0;font-size: 14px;line-height: 22px;height:auto;display:block;max-height:66px;}
/* yynn_news_ul */
.qyynn_news_ul{padding:25px 25px;}
.qyynn_news_li{margin:12px auto 0;}
.qyynn_news_li:nth-of-type(1){margin:0 auto;}
.qyynn_news_li:nth-of-type(5){display: block;}



.qyynn_news .yynn_section_more{text-align: center;margin:30px auto 0;}

/* qyynn_news end! */


/* yynn_footer start! */
	.yynn_footer{margin:0px auto 0;padding:40px 20px 25px;background:url('../image/sjdb.jpg')  top center;min-height: 20px;}
	.yynn_footer_weixin{width:90px;position: absolute;left:50%;margin-left: -45px;top:-40px;}
	.yynn_footer_weixin_txt{margin:5px auto 0;font-size: 14px;line-height: 22px;}
	.yynn_footer p{line-height: 28px;font-size: 15px;}
	.yynn_footer_l{width:42%;float:left;}
	.yynn_footer_r{width:45%;float:right;text-align: right;}
	.yynn_footer_icon{text-align: center;margin:50px auto 0;}
	.yynn_footer_icon a{margin:0 0 0 5px;width:33px;height:33px;line-height: 32px;font-size: 15px;}
	.yynn_footer_weixin_hover{width:80px;height:80px;right:-30px;top:-90px;}
	/* yynn_footer_tel */
	.yynn_footer_tel{margin:10px auto 5px;font-size: 20px;line-height: 25px;}
	.yynn_footer_tel span{font-weight: normal;}
	.yynn_footer_a{margin:0 auto;}
	.yynn_footer_a a{font-size: 15px;line-height: 25px;}
	.yynn_footer_main{text-align: center;}
/* yynn_footer end! */

/* yynn_position  start! */
	.yynn_position{height: 50px;}
	.yynn_position_item{display: block; width:100%;float:left;padding:0 20px;height: 50px;}
	.yynn_position_item.yynn_position_item_l{display: block; width:100%;float:none;padding:0 20px;height: 50px;}
	.yynn_position_main{line-height: 50px;height:50px;font-size: 12px;        overflow: hidden;}
	.yynn_position_txt{line-height: 50px;height:50px;font-size: 16px;}
	.yynn_position_txt a{font-weight: normal;text-align: center;}
	.yynn_position_txt a i{font-weight: bold; font-size: 20px;margin:0 2% 0 20px;width:25px;}
	.yynn_position_txt_nav{width:calc(100% + 40px);position: absolute;top:100%;right:-20px;}
	.yynn_position_txt_nav li:first-child{margin:18px auto 0;}
	.yynn_position_txt_nav li:last-child{margin:0 auto 18px;}
	.yynn_position_txt_nav li a{font-size: 14px;padding:0 20px;font-weight: normal;line-height: 33px;height:33px;}
	.yynn_position_txt_nav li a i{margin:0 2% 0 15%;width:23px;font-size: 13px;display: none;}
/* yynn_position  end! */

/* yynn_main  start! */

	.yynn_page1_mask_en{width:65%;font-size: 22px;line-height: 27px;}
  	.yynn_page1_mask_cn{width:65%;font-size: 27px;margin-top:0;line-height: 33px;padding-bottom: 8px;}
  	.yynn_page1_mask_cn span{font-weight: bold;margin-left: 3px;}
	.yynn_main{min-height: 200px;}
	.yynn_main p{font-size: 15px;line-height: 2;}
	.yynn_main iframe{width:100%;height:300px;margin:25px auto 0;}
	.yynn_content{margin:15px auto 0;}

	/* yynn_content_title */
	.yynn_content_title{margin:25px auto 15px;text-align: center;padding:0 30px;}
	.yynn_content_title_cn{font-size: 20px;line-height: 30px;}
	.yynn_content_title_en{font-size: 14px;line-height: 25px;}
	.yynn_content_title_p{margin:14px auto 0;text-align: justify;}
	.yynn_content_title_p p{font-size: 12px;line-height: 23px;margin:3px auto 0;}

	/* yynn_content_div */
	.yynn_content_div{margin:25px auto 0;}
	.yynn_content_div_title{padding:0 20px;}
	.yynn_content_div_title h2{padding:0 0 0 15px;border-left: 3px solid #004477;font-size:20px;line-height: 25px;}
	.yynn_content_div_body{margin:10px auto 0;padding:15px 20px;}
/* yynn_main  end! */

/* yynn_about  start! */
	.yynn_div{margin:8px auto 0;}
	.yynn_div_title{margin:30px auto 15px;font-size: 17px;line-height: 25px;}
	.yynn_about_main{margin:25px auto 0;}
	.yynn_div_img{text-align: center;padding:0 20px;}
	.yynn_div_img img{max-width:300px;margin:0 auto 10px;}
	.yynn_div_p{margin:20px auto; padding:0 20px;}
	.yynn_div_p p{font-size: 13px;line-height: 25px;text-align: justify;}
	.yynn_div_manufacturing02{margin:0 auto 0;}
/* yynn_about  end! */

/* yynn_product  start! */
	.yynn_div_product_item{width:100%;margin:0 auto 10px;float:none;}
	.yynn_div_product_item:nth-of-type(2n){margin:0 auto 10px;}
	.yynn_div_product_item_txt{padding:15px 20px;}
	.yynn_div_product_item_txt .yynn_more{width:50px;float:right;}
	.yynn_div_product_item_txt .yynn_txt{width:calc(100% - 60px);float:left;padding:0 0 0 12px;border-left:3px solid #004477;font-size: 15px;height:25px;line-height: 25px;}
	.yynn_div_p2 .yynn_div_product_item_txt .yynn_txt{border-left:3px solid #ac9068;}

	/* yynn_content_div */
	.yynn_content_product_img{width:100%;padding:10px 0 0;float:none;text-align: center;padding:10px 10%;}
	.yynn_content_product_txt{width:100%;float:none;}

	/* yynn_ul */
	.yynn_li_l{width:100%;float:none;padding:5px 0;border-bottom: 0;}
	.yynn_li_r{width:100%;float:none;padding:5px 0;}
	.yynn_li span{font-size: 14px;line-height: 30px;}
	.yynn_li_l span{padding:0 20px;background-color: #a9a9a9;color:#fff;}
	.yynn_content_div3 .yynn_ul .yynn_li{padding:10px 0;}
	.yynn_li_h{font-size: 16px;font-weight: normal;line-height: 26px;color:#555;}
	.yynn_li_p{font-size: 14px;line-height: 26px;}
	.yynn_content_div4 .yynn_ul .yynn_li{padding:10px 0;}
	.yynn_content_div4 .yynn_ul .yynn_li.yynn_li_div4{padding:20px 0;}
	.yynn_li_item{width:49%;float:left;padding:5px;margin:5px 2% 5px 0;}
	.yynn_li_item:nth-of-type(3n){margin:5px 2% 5px 0;}
	.yynn_li_item:nth-of-type(2n){margin:5px 0 5px 0;}
	.yynn_li_item a{font-size: 14px;font-weight: normal;line-height: 24px;}
/* yynn_product  end! */

/* yynn_news  start! */
	.yynn_news_list{margin:30px auto 0;padding:0 15px;}
	.yynn_news_item{width:49%;float:left;margin:0 2% 15px 0;}
	.yynn_news_item:nth-of-type(3n){margin:0 2% 15px 0;}
	.yynn_news_item:nth-of-type(2n){margin:0 0 15px 0;}
	.yynn_news_item_txt{margin:8px auto 0;}
	.yynn_news_item_txt_h a{font-size: 15px;line-height: 23px;height:23px;}
	.yynn_news_item_txt_date{margin:0 auto;font-size: 11px;line-height: 15px;}

	/* yynn_news_show */
	.yynn_news_show{margin:15px auto 0;padding:20px;}
	.yynn_news_show_h h1{font-size: 18px;line-height: 25px;padding:0 20px;text-align: center;}
	.yynn_news_show_span{margin:15px auto 0;padding:10px 15px;font-size: 11px;line-height: 20px;}
	.yynn_news_show_span_r{width:50px;float:right;text-align: right;}
	.yynn_news_show_span_l{width:calc(100% - 55px);float:left;}
	.yynn_news_show_span_l span{margin:0 5px 0 0;}
	.yynn_news_show_content{margin:20px auto 0;min-height: 90px;}
	.yynn_news_show_content p{line-height: 1.8;}
/* yynn_news  end! */

/* yynn_contact  start! */
	.yynn_contact .yynn_content{border-top:0;padding:0 20px;}
	.yynn_contact_div{margin:25px auto 0;}
	.yynn_contact_div_h{padding:0 10px;border-left:3px solid #ac9068;font-size: 18px;line-height: 25px;}
	.yynn_contact_div_main{margin:20px auto 0;}
	.yynn_contact_txt{padding:0px;}
	.yynn_contact_item{margin:0 auto 10px;float:left;font-size: 14px;line-height: 26px;height:auto;overflow: hidden;text-overflow: none;white-space: normal;padding:0 15px 0 0;}
	.yynn_contact_item span{font-weight: bold;font-size: 14px;        margin-top: 4px;}
	.lxco1{    width: 40px;height: 40px;}
	.lxco2{    width: 40px;height: 40px;}
	.yynn_contact_item span{        margin-left: 4px;}
	.lxdz p{font-size: 11px;}
	/* yynn_form */
	.yynn_form_div .form-group{width:100%;float:none;margin:0;}
	.yynn_form_div .form-group:nth-of-type(2n){margin:0;}
	.yynn_form .form-button{text-align: center;margin:10px auto 0;}
	.yynn_form .button{padding:6px 50px;}
/* yynn_contact  end! */

/* yynn_features  start! */
	.yynn_features_title{margin:25px auto 0;}
	.yynn_features_title_cn{font-size: 18px;line-height: 25px;}
	.yynn_features_title_cn span{font-weight: bold;}
	.yynn_features_title_en{font-size: 13px;line-height: 20px;}
	/* yynn_features_main */
	.yynn_features_main{margin:15px auto 0;}
	.yynn_features_div{margin:6px auto;}
	.yynn_features_div_mask p{font-size: 18px;line-height: 27px;}
	.yynn_features_div_mask p span{font-weight: bold;}

	.yynn_features_div1 .yynn_features_div_mask_in{top:20%;}
	/* yynn_features_div2 */
	.yynn_features_div.yynn_features_div2{padding:20px 0;}
	.yynn_features_div2 .x6{width:100%;float:none;}
	.yynn_features_div2_item{padding:0 5%;}
	.yynn_features_div2_item_txt{width:60%;float:left;position: relative;}
	.yynn_features_div2_item_img{width:40%;float:right;text-align: center;}
	.yynn_features_div2_item .yynn_features_div2_item_txt p{padding:0 25px;}
	.x6:nth-of-type(2) .yynn_features_div2_item .yynn_features_div2_item_txt p{text-align: right;}
	/* yynn_features_div3 */
	.yynn_features_div3 .x6{float:right;text-align: right;}

	/* yynn_features_div4 */
	.yynn_features_div4{padding:20px 0;}
	.yynn_features_div4 .x6{text-align: right;padding:0 8% 0 0;}
	.yynn_features_div4 .x6 p{color:#004477;}

	/* yynn_features_div5 */
	.yynn_features_div5 p{color:#004477; text-align: center;margin:-5% auto 0;}

	/* yynn_features_div6 */
	.yynn_features_div6 .x6{float:right;text-align: right;padding:0  8% 0 0;}
	.yynn_features_div6 .x6 p{color:#004477;}

	/* yynn_features_div7 */
	.yynn_features_div7 .x6{padding:0 0 0 8%;}
	.yynn_features_div7 .x6 p{color:#004477;}

	/* yynn_features2 多元设计 start! */
		.yynn_features2_group{border-left: 4px solid #ac9068;padding:0 0 0 15px;}
		.yynn_features2_group .yynn_features2_title{font-size: 23px;line-height: 30px;}
		.yynn_features2_group .yynn_features_p{margin:8px auto 0;}
		.yynn_features2_group .yynn_features_p p{font-size: 14px;line-height: 23px;}

		/* yynn_features_div2 */
		.yynn_features2_div2 .x6{float:right;padding:0 0 0 15%;}

		/* yynn_features_div4 */
		.yynn_features2_div4 .x6{float:right;padding:0 0 0 15%;}

		/* yynn_features_div6 */
		.yynn_features2_div6 .x6{float:right;padding:0 0 0 15%;}

	/* yynn_features2 多元设计 end! */
/* yynn_features  end! */

/* yynn_case  start! */
	.yynn_case_list{margin:30px auto 0;padding:0 20px;}
	.yynn_case_item{width:100%;float:none;margin:0 0 15px 0;}
	.yynn_case_item:nth-of-type(2n){margin:0 0 15px 0;}
	.yynn_case_item_txt{padding:15px 15px;}
	.yynn_case_item_txt_r{width:46px;height:25px;float:right;}
	.yynn_case_item_txt_l{width:calc(100% - 53px);height:25px;float:left;line-height: 25px;font-size: 14px;}

	/* yynn_case 内容页 */
	.yynn_case_title{margin:25px auto 0;}
	.yynn_case_title h1{font-size: 18px;line-height: 25px;text-align: center;}
	.yynn_case_title h1 span{padding:0 8px 0 0;margin:0 10px 0 0;font-weight: bold;}
	.yynn_case_title h1 span:after{content: "";width:2px;height: 18px;position: absolute;top:5px;left:100%;}
	.yynn_case_top{margin:20px auto 0;}
	.yynn_case_scrollbar{margin:10px auto 0;position: relative;padding:0 10%;}
	.swiper_case_scrollbar{height:10px;border-radius: 10px;}

	/* yynn_case_main */
	.yynn_case_main{padding:25px 20px 15px;}

	.yynn_case_title_item{float:left;font-size: 17px;line-height: 25px;}
	.yynn_case_title_item span{display: inline-block;padding:0 8px 0 0;margin:0 10px 0 0;color:#004477;font-weight: bold;position: relative;}
	.yynn_case_title_item span:after{content: "";width:2px;height: 17px;background-color: #004477;position: absolute;top:6px;left:100%;}
	.yynn_case_title_item1{width:100%;margin:0 0 10px 0;float:none;}
	.yynn_case_title_item2{width:100%;margin:0 0 10px 0;float:none;}
	.yynn_case_title_item3{width:100%;margin:0;float:none;}

	.yynn_case_title_item2_l,.yynn_case_title_item2_r{display: inline-block;}
	.yynn_case_title_item2_r a{line-height: 20px;}
	.yynn_case_title_item2_r img{max-width:90px;}
	.yynn_case_title_item2_l{margin-right: 15px;}
	.yynn_case_main_body{margin:20px auto 0;}
	.yynn_case_main_body>h2{font-size: 17px;line-height: 25px;}
	.yynn_case_main_content{margin:20px auto 0;min-height: 120px;}

	/* 工程案例封面页 分类 */
	.yynn_case_index{margin:20px auto 0;}
	.yynn_case_index_div{margin:0 auto 10px;}
	.yynn_case_index_img{width:100%;float:none;height:auto;}
	.yynn_case_index_txt{width:100%;float:none;height:auto;}
	.yynn_case_index_div:nth-of-type(2n) .yynn_case_index_img{float:none;}
	.yynn_case_index_div:nth-of-type(2n) .yynn_case_index_txt{float:none;}
	.yynn_case_index_img>a.img{height:auto;padding:50% 0 0;}
	a.yynn_case_index_mask{height:auto;position: relative;}
	.yynn_case_index_mask_in{position: relative;top:0;padding:50px 30px;text-align: center;
		-webkit-transform: translateY(0);
		-moz-transform: translateY(0);
		-ms-transform: translateY(0);
		-o-transform: translateY(0);
		transform: translateY(0);
	}
	.yynn_case_index_body h2{font-size: 18px;line-height: 30px;font-weight: 700;letter-spacing: 0;}
	.yynn_case_index_body .yynn_section_more{margin:20px auto 0;font-size: 15px;line-height: 25px;font-weight: 400;}
	.yynn_case_index_body .yynn_section_more  span{margin-right: 10px;}
/* yynn_case  end! */

.yynn_search_title{margin:25px auto 0;font-size: 18px;line-height: 25px;}
.yynn_searchs .yynn_news_list{margin:10px auto 0;}
.yynn_searchs .yynn_case_list{margin:10px auto 0;}
.yynn_searchs .pagelist{margin:10px auto;line-height: 30px;}
.yynn_searchs .pagelist span{line-height: 28px;}
/* 产品系统 */
	.yynn_content_p4_img{margin:25px auto 0; padding:0 15px;}
	.yynn_content_p4_img_item{width:49.5%;float:left;margin:0 1% 5px 0;}
	.yynn_content_p4_img_item:nth-of-type(3n){margin:0 1% 5px 0;}
	.yynn_content_p4_img_item:nth-of-type(2n){margin:0 0 5px 0;}

}

@media(max-width: 370px){

	.yynn_news_list{margin:30px auto 0;padding:0 20px;}
	.yynn_news_item{width:100%;float:none;margin:0 0 15px 0;}
	.yynn_news_item:nth-of-type(3n){margin:0 0 15px 0;}
	.yynn_news_item:nth-of-type(2n){margin:0 0 15px 0;}
	.yynn_news_item_txt{margin:8px auto 0;}
	.yynn_news_item_txt_h a{font-size: 15px;line-height: 23px;height:23px;}
	.yynn_news_item_txt_date{margin:0 auto;font-size: 11px;line-height: 15px;}

}


.yynn_menu{display: none}




@media(max-width: 1700px){
    
    .yynn_tab .tab .tab-head .tab-nav li{
        
        
         margin: 0 0 0 37px;
    }
       
}

@media(max-width: 660px){
	
	.blk-main{width: 100%}
	.blk-sm{width: 100%}
	.blk-xs{display: none}
	.yynn_menu{display: block}
	.one{        width: 100%;
        margin-top: 73%;}
	.logo1 img {width: 60%}
	.logo1 {height: 22vh;
        width: 100%;}
    .tab-head2 .tab-nav2 li{margin: 0 0 0 0px;}
	.qyynn_news_h_r1{width: 99%;margin-top: -24px}

	.tab-head2 .tab-nav2 li a{    font-size: 24px;}


	.tab-head1 .tab-nav1{
		
font-size: 0;
        text-align: center;
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: space-evenly;
	}
	.dbwen{height: 111px;}
	
	.dbwen p{     line-height: 24px;}
	.col-md-3{flex: 0 0 100%;
    max-width: 100%;}
	.row{margin-left: 10px;}
    
    .tab-head1 .tab-nav1 li{
        
                   margin: 0 0 0 -20px;
        width: 7%;
    }
	.neirong p{
		
		padding:0
	}
	
	.package footer .ft .ft-r > p > img{width: 100px;
    height: 100px;}
	.package footer .ft .ft-l .logo{    margin:auto;        padding: 27px;}
	.package footer .ft .ft-l{width: 96%;}
	.package footer{padding: 28px 0;}
	.package footer .fb{    padding-top: 30px;}

}


.lxdz p {
        padding: 1px 1px 1px 1px;
	color: #565455;}
.lxdh p {
        padding: 1px 1px 1px 1px;
	color: #565455;}