@media screen and (max-width:1880px){
		.headernav{padding-right:15px;padding-left:15px;}
		.Sowing .swiper-slide{height:72vh;}
		@media screen and (max-width:1497px){
			.headernav .nav > li > a{padding-left: 20px;padding-right: 20px;}
		}
		@media screen and (max-width:1300px){
				@media (min-width: 768px) {
				  .navbar-right {
				    float: left !important;
				  }
				}
				.headernav .nav > li > a{padding-left: 34px;padding-right: 34px;} 
				.headernav .navbar-nav > li > a{line-height:20px;}
				.navbar-nav > li > span{line-height:42px;}
				.navbar-brand{padding-bottom:0px;}
		}
}
@media screen and (max-width:1297px){
		@media screen and (max-width:1200px){
			html{font-size: 62.5%;}
			

		}
		@media screen and (max-width:1199px){
			.headernav .nav > li > a{padding-left: 24px;padding-right: 24px;} 
			.ul_about li:nth-child(1){width:64.1%;}
			.ul_about li:nth-child(2){width:35.4%;}

		}
}
@media screen and (max-width:1024px){
	html{font-size: 56.3%;}
	.headernav .nav > li > a{padding-left: 22px;padding-right: 22px;}
	.yinliao{padding-top: 30px;}
	.suc_case{font-size: 3.2rem;}

	.navbar-brand img{width: 240px;}

	


}
@media screen and (max-width:992px){
		@media screen and (max-width:991px){
			.f_frist .col-lg-7 {width:100%;}
			.f_frist .col-lg-5 {width: 100%;}
			.huazhan{border-left:none;padding-left: 0rem;padding-top: 15px;border-top: solid 1px #a4a4a4;margin-top: 15px;}
			.f_seond{line-height: 24px;padding:4px 0;}
			.f_frist ul li{float: left;width: 20%;}
			.f_frist ul li:nth-child(5){width:20%;}
			.t_right, .f_frist ul li h3, .f_frist ul li a{text-align: center;}
			.headernav .nav > li > a{padding-left: 20px;padding-right: 20px;}
			.yinliao .guangz{margin-bottom:30px;}
			.ul_about li:nth-child(1){width:100%;margin-right:0%;margin-bottom:15px;}
			.ul_about li:nth-child(2){width: 100%;}
			.imgb{margin-bottom: 15px;}
			.add{padding: 5% 0px 5% 25px;}


		}

		@media screen and (max-width:768px){
			@media (min-width: 768px) {
				  .navbar-right {
				    float: right !important;
				  }
				}
			.Sowing .slogan{font-size:2.6rem;}
			.Sowing .secondary-slogan{font-size:2rem;}
			.nextprev .col-sm-1{width:12%;}
			.nextprev .col-sm-11{width:88%;}
			.headernav .nav > li > a{padding-left: 18px;padding-right: 18px;}


		}
		@media screen and (max-width:767px){
			.headernav{padding-right:0px;padding-left:0px;}
			.navbar{min-height:68px;box-sizing: border-box;}
			.top_h{height:70px;}
			.headernav .navbar-nav > li > a{line-height: 32px;}
			.navbar-nav > li > span{line-height:42px;margin-left: 30px;}
			.headernav .navbar-nav > li> a:after{content: "";background:none;}
			.navbar-default .navbar-collapse{margin-top: 4px;border: 0;padding-bottom: 10px;background: #fff;/*position: absolute;width: 100%;top:69px;left: 0;*/}
			.f_seond{text-align: center;} 
			.navbar-brand{padding: 15px;}
			.se_About{padding:2% 0 3.6rem;}
			.a_more{padding-top:1.6rem;}
			.a_moreA{padding-top: 0;}
			.h1_cevilan{font-size:2.2rem;line-height: 2.6rem;}
			.cevilanform{padding:6% 5% 15%;}
			.gro_b{margin-bottom: 0%;}

			.mapimg{margin-top:30px;}
			.rc_job, .se_About p, .ul_about{padding-top:22px;}
			.newsbox{padding-top: 30px;}





		}
		@media screen and (max-width:640px){
			.exhibi li{width:100%;margin-right:0%;margin-bottom: 15px;}
			.exhibi li:nth-child(3){margin-right: 0;}
			.exhibi ul{padding: 5.5% 0 2%;}
			.add{padding: 5% 15px 5%15px;}
			.details h2{line-height: 2.8rem;}
			

		}
		@media screen and (max-width:480px){
			.Sowing .swiper-slide{height:20vh;background-size: 100% 100%;}
			.nextprev .col-sm-1{width:20%;}
			.nextprev .col-sm-11{width:80%;}
			.rc_job ul li{padding: 1.5rem 0;}
			.navbar-brand img{width: 200px;}
			


		}
		@media screen and (max-width:414px){
			.f_frist ul li h3{font-size: 14px;text-align: center;margin-bottom:15px;}
			.f_frist ul li a{font-size: 12px;text-align: center;}


		}
		@media screen and (max-width:375px){
			.huazhan{font-size: 12px;}
		}
		@media screen and (max-width:360px){


		}
		@media screen and (max-width:320px){
			

		}

}