@media only screen and (max-width: 1800px) {
 	
}

@media only screen and (max-width: 1600px) {
	.news_ul li{height: 300px;}
	.news_ul li.img_text img{height: 180px;}
	/*.banner-video{height: 650px;}*/
}



@media only screen and (max-width: 1440px) {
	.center_box{width: 1000px;}
	.header{height: 60px;}
	.nav_ul>li>a,.login_box a{height: 60px;}
	..logo img{height: 40px;}
	.nav_ul>li>a{font-size: 16px;}
	.login_box a{font-size: 14px;}
	.nav_child>li>a{height: 40px;line-height: 40px;font-size: 14px;}
	.news_list_1 h3, .news_list_2 h3{font-size: 18px;}
	.news_list_ul li a{font-size: 14px;}
	.news2_nav a{font-size: 16px;}
	.duomiao_title{padding: 35px 0;}
	.duomiao_title h3{font-size: 22px;}
	.about_one .right_box{height: 240px;}
	.banner .swiper-slide .text_box{padding: 0 3%;width: 94%;}
	.banner .swiper-slide .text_box h3{font-size: 50px;}

	/*.video_g{position: static;}*/
	/*.banner-video{height: 600px;}*/
	
}

@media only screen and (max-width: 1366px) {
	.banner .swiper-slide .text_box h3{font-size: 40px;}
	/*.video_g{position: static;}*/

}

@media only screen and (max-width: 1280px) {

	.center_box{width: 1000px;}
	.banner .swiper-slide .text_box h3{margin-top: 220px;}
	.index_one_ul li span.ch{font-size: 20px;}
	.index_one_ul li span.en{font-size:12px;}
	.title h3{font-size: 24px;}
	.title p{font-size: 16px;}
	.index_three .text_box h3, .index_five .text_box h3{font-size: 40px;}
	.news_ul li{height: 270px;}
	.news_ul li.img_text img{height: 150px;}
	.about_one .right_box{height: 220px;}
	.video_g{position: static;}

	
   
}

@media only screen and (max-width: 1024px) {
	#menu,.close_btn,.nav_ul>li>a>span{display: block;}
	.w85{width: 94%;}
	/*.banner-video{height: 600px;}*/
	.login_box ul li a{height: 60px;line-height: 60px;}

	.center_box{width: 94%;}
	.close_btn{width: 30px;transform: rotate(45deg);float: right;margin-right: 2%;
		margin-top: 10px;}
	.nav{position: fixed;left: 100%;top: 0;width: 100%;height: 100%;
		overflow: hidden;margin: 0;z-index: 9999}
	.nav .close{width:10%;height: 100%;background-color: rgba(0,0,0,.8);}
	.nav_ul{width:90%;height: 100%;background-color: #fff}
	.nav_ul>li{display: block;}
	.nav_ul>li:nth-child(2){margin-top: 40px;}
	.nav_ul>li>a{border-bottom: 1px solid #eee;display: block;height: 40px;
		line-height: 40px;color: #000;text-align: left;position: relative;}
	.nav_ul>li>a>span{display: block;width:30px;height: 30px;
		position: absolute;right: 3%;top: 50%;margin-top: -15px;
		background-image: url(../images/jia.png);background-size: 100% 100%;
		background-position: center;background-repeat: no-repeat;
	}
	.nav_ul>li.on1>a>span{background-image: url(../images/jian.png);}
	.nav_ul>li:hover>a, .nav_ul>li.on>a{border-bottom: 1px solid #eee;}
	.nav_child{position: initial;box-shadow: none;}
	.nav_child>li>a{text-align: left;padding: 0 50px;}
	.nav_ul>li:hover .nav_child{display: none;}

	
	.index_one{padding-bottom: 30px;}
	.index_one_ul li{width: 50%;}
	.index_one_ul li a::after{width: 80%;height: 1px;bottom: 0;top: auto;
		left: 10%;margin-top: 0;}
	.index_two{padding-top: 30px;}
	.title{padding: 30px 0;}
	.index_two_ul li .item{height: 210px;}
	.index_three{margin-top: 50px;padding: 40px 0;}
	.index_three .text_box,.index_three .img_box{width: 100%;}

	.news_one .left_box{width: 100%;margin-bottom: 1%;}
	.news_one .right_box{width: 100%;}
	.search_box input.text{width: 90%;}
	.search_box input.btn{width: 10%;background-size: 25px;}
	
	.center_box2{padding: 0 3% 3%;}
	.about_one .left_box{margin-bottom: 3%;}
	.about_one .left_box,.about_one .right_box{width:100%}
	.about_two_ul li{width: 100% !important;}

	.product .left_box,.product .right_box{width: 100%;}
	.product .left_box{height: auto;margin-bottom: 20px;}
	.about_one .right_box{height: 600px;}


   
}

@media only screen and (max-width: 768px) {
	.banner .swiper-slide .text_box h3{font-size: 30px;margin-top: 200px;}
	.banner .swiper-slide .text_box p{font-size: 18px;}
	/*.banner-video{height: 500px;}*/
	.banner{height: 500px;}
	.banner .swiper-slide .text_box p{margin: 30px 0;}
	.index_five .text_box{width: 100%;}
	.index_five .index_five_banner{width: 100%;}
	#certify .swiper-slide{height: 300px;}
	.index_two_ul li .item{height: 150px;}
	.celebrity_ul{margin-bottom: 50px;}
	.celebrity_ul li{padding: 15px 0;}
	.celebrity_ul li img{max-width: 100px;height: 100px;}
	.celebrity_ul li .text h3{font-size: 18px;line-height: 1.5em;}
	.celebrity_ul li .text span,
	.celebrity_ul li .text p{font-size: 14px;line-height: 1.6em;}
	.celebrity_ul li .text p{-webkit-line-clamp: 2;}
	.duomiao_title{padding: 20px 0;}
	.duomiao_title h3{font-size: 18px;}
	.duomiao_title h3::after{width: 200px;margin-left: -100px;}
	
	.product01_ul{padding-bottom: 30px !important;}
	.product01_ul li{width: 48%;margin-bottom: 3%;}
	.product01_ul li:nth-child(2n){margin-right: 0;}

	.about_one .right_box{height: 450px;}













}
@media only screen and (max-width: 640px) {
	.index_two_ul li{width: 100%;margin: 0 0 5%;}
	.index_two_ul li .item{height: 300px;}
	.index_four_ul li{width: 100%;}
	.index_three .text_box h3, .index_five .text_box h3{font-size: 30px;}
	.index_six .swiper-container .swiper-slide .text_box p{margin: 20px 0;
		font-size: 18px;}
	.index_six .swiper-container .swiper-slide .text_box{padding: 40px 5% 70px;}
	.index_six .swiper-container .swiper-slide .text_box img{width: 80px;height: 80px;}
	.index_six .swiper-container-horizontal>.swiper-pagination-bullets{
		bottom: 40px;
	}
	/*.banner-video{height: 400px;}*/
	.index_seven .text_box h3{font-size: 36px;}
	.index_five{padding: 40px 0 20px;}
	.footer_ul>li{width: 33.33%;}
	.copy p{font-size: 14px;}
	.news_ul li{width: 100%;margin-bottom: 10px}
	.search_box{margin: 30px 0;}
	.news_list_1{margin-bottom: 30px;}
	.news_list_2{margin-bottom: 30px;}
	.news2_one_ul li{width: 48%;margin-right: 0;}
	.news2_one_ul li:nth-child(2n){float: right;}
	.news2_nav a{font-size: 14px;}
	.product .left_box{margin-bottom: 10px;}
	.product .left_box .section{padding-bottom: 20px;}
	.product .left_box .section p{font-size: 16px;}
	.footer_ul>li{width: 100%;}
	.footer_child01 li{width: 33.33%;}
	.footer_ul>li p{font-size: 14px;}
	.title_pro{padding: 30px 0;}
	.nav_p2{margin-bottom: 20px;}
	.product .center_box{margin-top: -10px;}
	.about_one .right_box{height: 400px;}
	.mask_box{top: auto;bottom: 100%}
	.mask_box img{width: 80px;height: 80px;}
	.h3_posi{font-size: 22px;}
	
		.banner .swiper-slide .text_box h3{font-size: 26px;}
		.banner .swiper-slide .text_box p{font-size: 16px;}


}
@media only screen and (max-width: 414px) {
	.banner .swiper-slide .text_box h3{line-height: 1.6em;margin-top: 170px;}
	.index_two_ul li .item{height: 260px;}
	.index_two_ul li .free{right: -3%;top: -4%}
	.index_one_ul li{width: 100%;}
	.title h3{font-size: 20px;}
	.title p{font-size: 14px;}
	#certify .swiper-slide{height: 230px;}
	.footer_ul{padding: 30px 0;}
	.footer_ul>li a{font-size: 16px;line-height: 2em;}
	.footer_child01 li a{font-size: 12px;}
	.copy p{font-size: 12px;}
	#certify .swiper-container{padding-bottom: 30px;}
	#certify .swiper-slide{height: 200px;}
	.footer_icon li a>img{width: 30px;}
	.about_one .right_box{height: 280px;}
	/*.banner-video{height: 280px;}*/


}
@media only screen and (max-width: 375px) {
	.index_two_ul li .item{height: 230px;}
	.duomiao_title h3::after{width: 180px;margin-left: -90px;}
	.about_one .right_box{height: 240px;}
	/*.banner-video{height: 240px;}*/
}
@media only screen and (max-width: 320px) {
	.index_two_ul li .item{height: 200px;}
	.about_one .right_box{height: 210px;}
	/*.banner-video{height: 200px;}*/

}