@media screen and (min-width: 768px){
	.news_detail .news_lb_detail,.news1200{ width: 750px;margin: 0 auto }
	.logo{ margin-left: 1%; }
	.tel{ margin-right: 1%; }
	.header .nav ul li{margin: 0 5px;}
	.header .logo img{ width:200px;margin: 20px 0;}
	.header{ height: 73px; }
	.header .nav ul li a{line-height: 73px;padding:0}
	.section3_box .contect3_left{ width: 400px; }
	.section3_box .contect3_right{ width: 540px; height: auto;overflow-y: scroll;}
	.section3_box .contect3_right .padding{ padding: 42px 50px; }
	.section3_box .contect3_right .align_ul li{ width: 30%; }
	.section1 .section1_img img{margin:-30% auto 0;width: 400px;    display: block;}
	.contect .news_lb .enterprise a{width:49%;height:382px;margin:0 12px 56px 0;}
	.contect .news_lb .enterprise a .img_news{ height: 204px; display:flex;justify-content: center;align-items: center; }
	.contect .news_lb .enterprise a:nth-of-type(3n) {margin-right:12px;}
	.contect .news_lb .enterprise a:nth-of-type(even) {margin-right:0;}
	.footer .footer_left{ width:70%; }
	.footer .footer_right{ width:30%; }
	.par_box .team_left,.par_box .team_right,.footer .footer_logo_right{ width:100% }
	.footer .footer_left .footer_logo{ display: none; }
	.par_box .team_wr{min-height:auto;padding:20px;}
	.step .step_box ul li{ width: 24.8%;padding:35px 0;}
	body .chat_moblie ul li{ width: 48%;margin: 1%; height: 360px;}
	.contact .con_one .one_left,.contact .con_one .one_right{ width:100%;}
	.contact .online {margin: 50px auto; margin-left:0%;}
	.contact .w50{ width:100%; }
	.contact .online_one textarea{ width:65% }
	.contact .online_one input[type=submit] { margin-left:0px;}
	.contact .textarea.online_one label {width: 20%;}
} 
@media screen and (min-width: 992px){
	.news_detail .news_lb_detail,.news1200{ width: 940px;margin: 0 auto }
	.logo{ margin-left: 1%; }
	.tel{ margin-right: 1%; }
	.header .nav ul li{margin: 0 22px;}
	.header .logo img {margin:20px 0;width:200px;}
	.header{ height: 73px; }
	.header .nav ul li a{line-height: 73px;}
	.section3_box .contect3_left{ width: 400px; }
	.section3_box .contect3_right{ width: 540px; height: 370px;overflow-y: scroll;}
	.section3_box .contect3_right .padding{ padding: 42px 50px; }
	.section3_box .contect3_right .align_ul li{ width: 43%; }
	.section1 .section1_img img{margin-left: 12%;margin-top: -10%;width: 400px;}
	.contect .news_lb .enterprise a{width:305px;height:382px;margin:0 12px 56px 0;}
	.contect .news_lb .enterprise a .img_news{ height: 167px; display:flex;justify-content: center;align-items: center; }
	.contect .news_lb .enterprise a:nth-of-type(3n) {margin-right:0;}
	.footer .footer_left{ width: 700px; }
	.footer .footer_right{ width: 240px; }
	.footer .footer_logo_right{ width: 505px }
	.footer .footer_left .footer_logo{ display: block; }
	.par_box .team_left,.par_box .team_right{ width: 48%; }
	.par_box .team_wr{min-height:260px;padding:20px;}
	.step .step_box ul li{ width: 24.8%;padding:35px 0;}
	body .chat_moblie ul li{ width: 31.3%;margin: 1%; height: 360px;}
	.contact .con_one .one_right{ width: 46%;}
	.contact .con_one .one_left{width: 48%;}
	.contact .online {margin: 50px auto; margin-left:0%;}
	.contact .w50{ width: 50%; }
	.contact .online_one textarea{ width:84% }
	.contact .online_one input[type=submit] { margin-left:0px;}
	.contact .textarea.online_one label {width: 9%;}
} 
@media screen and (min-width: 1200px){
	.news_detail .news_lb_detail{ width: 1000px; margin: 0 auto }
	.news1200{ width: 1200px;margin: 0 auto }
	.logo{ margin-left: 2%; }
	.tel{ margin-right: 2%; }
	.header .nav ul li{margin: 0 30px;}
	.header .logo img {margin: 13px 0 10px 0;}
	.header{ height: 73px; }
	.header .nav ul li a{line-height: 73px;}
	.section3_box .contect3_left{ width: 365px; }
	.section3_box .contect3_right{ width: 835px;height: auto;overflow-y: hidden;}
	.section3_box .contect3_right .padding{ padding: 30px 10px; }
	.section3_box .contect3_right .align_ul li{ width: 30%; }
	.section1 .section1_img img{margin-left: 12%;margin-top: -15%;width: 400px;}
	.contect .news_lb .enterprise a{width:392px;height:449px;margin:0 12px 30px 0;}
	.contect .news_lb .enterprise a .img_news{ height: 219px; display:flex;justify-content: center;align-items: center; }
	.footer .footer_left{ width: 936px; }
	.footer .footer_right{ width: 264px; }
	.footer .footer_logo_right{ width: 650px }
	.footer .footer_left .footer_logo{ display: none; }
	.par_box .team_left,.par_box .team_right{ width: 48%; }
	.par_box .team_wr{min-height:320px;padding: 30px 34px 30px 40px;}
	.step .step_box ul li{ width: 12.4%;padding:35px 0;}
	body .chat{ padding-top: 73px;}
	.contact .con_one .one_right{ width: 46%;}
	.contact .con_one .one_left{width: 48%;}
	.contact .online {margin: 50px auto; margin-left: 10%;}
	.contact .w50{ width: 45%; }
	.contact .online_one textarea{ width: 73.5% }
	.contact .online_one input[type=submit] { margin-left: -120px;}
	.contact .textarea.online_one label {width: 9%;}
	
}

@media screen and (max-width:1440px){
	.chat_pc .in-product-list li{ width: 360px; }
}
@media screen and (max-width:1366px){
	.chat_pc .in-product-list li{ width: 342px; }
}
@media screen and (max-width:1365px){
	
}
@media screen and (max-width: 992px){
	.section3_box .contect3_left{ display: none; }
	.team_right img,.section3_box .contect3_right{ width: 100%; }
	body .inside_nav .box a{ width: 128px; }
	.chat .chat_moblie,body .banner_ba{ display: block; }
	.chat .chat_pc{ display: none; }
}
@media screen and (min-width:1366px) and (max-width:1600px){
	.section .section2_box{ margin-top: 3%; }
	.section2 .owl-carousel{ margin-top: 30px; }
	#owl-demo .item{ padding: 20px 0; }
	.item i{ width: 100px; height: 100px; background-size: 100px; }
	.owl-carousel .owl-item:nth-of-type(1) .item i{background-position: 0 0;}
	.owl-carousel .owl-item:nth-of-type(2) .item i{background-position: 0 -100px;}
	.owl-carousel .owl-item:nth-of-type(3) .item i{background-position: 0 -200px;}
	.owl-carousel .owl-item:nth-of-type(4) .item i{background-position: 0 -300px;}
	.section3 .news1200,.section2 .news1200{ width: 1000px }
	.section3_box .contect3_left{ width: 305px; }
	.section3_box .contect3_right{ width: 695px; }
	.section3_box .contect3_right .padding{ padding: 20px 10px; }
	.section3_box .contect3_right .align_ul li{ width: 30%; line-height: 25px; font-size: 13px; }
	.section3 .section3_box{ margin-top: 20px!important }
	#owl-demo .item:hover:after{ width: 94%; }
}
@media screen and (max-width: 767px){
	.news_detail .news_lb_detail,.news1200{ width: 95%;margin: 0 auto }
	#owl-demo .item:after,.inside_nav .box a:hover:after, .inside_nav .box a.active:after,.section .title p,.tel,.footer .footer_right,.moblie{ display: none; }
	.header{background: rgba(255,255,255,1);}
	.header .nav{top: 59px;background: rgba(255,255,255,1);display: none; text-align: left;}
	.header .nav ul li{ display: inherit; margin: 0;padding: 0 7px;border-bottom: 1px dashed #ddd;}
	.header .nav ul li a{ padding: 10px;color: #333!important; font-size: 16px}
	.nav ul li:after,.header .logo img:nth-of-type(1){ display: none!important; }
	.header .logo img:nth-of-type(2){ display: none!important; }
	.header .logo img:nth-of-type(3){ display: block!important; height:45px;}
	.header .nav ul li a:hover{color: #c81623!important}
	.more_align,.header .sunlit{ display: block;}
	.owl-pagination {visibility: visible;}
	.section .title h1{ font-size: 24px; }
	.par_box .team_wr h2,.news_detail .news_lb_detail h1{ font-size:18px; font-weight: bold;}
	.section .title h1{ margin-bottom: 0 }
	.section .section2_box{ margin-top: 15%; }
	.owl-carousel{ margin-top: 20px; }
	.align img{ max-width: 100%; }
	.section2 .news1200{ width: 95%; }
	.contect3_right .align_ul{ height: 138px;overflow: hidden; }
	.slide_tanc .align_ul li{line-height: 30px;font-size: 14px;width: 44%;}
	.banner_ba .wrapper{ background-image: none!important; }
	body .banner_ba{ height: auto; }
	.heard_top{ height: 58px; }
	.footer .footer_logo_right{ text-align: center; }
	.news_detail .news_lb_detail .jump .back{ position: inherit;display: block;left: 0;margin: auto;}
	body .inside_nav .box a{ width: 32%; }
	.par_box .team_wr small{ font-size: 14px; }
	.banner_ba .title{ width: 70% }
	.contact .online_one label{ width: 100%;text-align: left; }
	.contact .online_one textarea{ width: 300px; }

	.section1{background: url(../images/1.jpg) no-repeat -520px 0;background-size: cover;}
	.section1_img img{    width: 56%;margin: -50% 0;}
	#owl-demo .item{margin: 0 30px;padding: 40px 0 50px}
	.item i{ background-size: 100px; width: 100px; height: 100px; }
	.owl-carousel .owl-item:nth-of-type(2) .item i {background-position: 0 -100px;}
	.owl-carousel .owl-item:nth-of-type(3) .item i {background-position: 0 -200px;}
	.owl-carousel .owl-item:nth-of-type(4) .item i {background-position: 0 -300px;}	
}