*{
    margin: 0;
    padding: 0
}

@font-face {
    font-family: Poppins;
    src: url(../fonts/Poppins-Regular.ttf) format("truetype");
    font-display:swap;
    font-weight: 400;
    font-style: normal;
}

body{
	font: normal 16px 'Poppins', \5FAE\8F6F\96C5\9ED1, sans-serif, \5B8B\4F53, tahoma;
	background: url(../images/promotion/banner.jpg) top center no-repeat;
}

.wrapper{
	width: 90%;
	height: 100%;
    max-width: 1600px;
    margin: 0 auto;
    clear: both;
}

.wrapper-bg{
	background: #f2f2f2;
	padding: 50px;
}

.fl{
	float: left;
}

.fr{
	float: right;
}

.tleft{
	text-align: left;
}

.tright{
	text-align: right;
}

.ml-1{
	margin-left: 10px;
}

.ml-2{
	margin-left: 20px;
}

.mr-1{
	margin-right: 10px;
}

.mr-2{
	margin-right: 20px;
}

.mt-2{
	margin-top: 20px;
}

.error-input{
    border: 1px solid red;
    background: #fce6e6;
}

.error-input input,.error-input textarea{
    background: #fce6e6;
}

.btn-primary{
	color: #fff;
	width: 300px;
	height: 50px;
	line-height: 50px;
	text-align: center;
	border-radius: 36px;
	display: block;
	background: #0d6cff;
	cursor: pointer;
	margin: 40px 0;
}

.btn-primary:hover{
	background: #0252c1;
}


header{
	color: #fff;
	height: 980px;
	clear: both;
}

h2{
	font-size: 42px;
	margin-bottom: 40px;
}

.top{
	height: 50px;
	line-height: 50px;
	border-bottom: 1px solid #888;
}

.top a{
	color: #fff;
	margin-left: 10px;
}

.nav{
	height: 60px;
	padding: 30px 0;
}

.logo{
	width: 160px;
	height: 54px;
}

.menu{
	width: 55%;
}

.menu ul{
	width: 600px;
	display: block;
}

.menu ul li{
	width: 120px;
	height: 60px;
	line-height: 60px;
	display: block;
	float: left;
	text-align: center;
}

.menu ul li a{
	color: #fff;
	font-weight: bold;
	display: block;
}

.btn-quote{
	color: #333;
	width: 200px;
	height: 40px;
	line-height: 40px;
	text-align: center;
	border-radius: 36px;
	display: block;
	background: #eee;
	cursor: pointer;
	margin-top: 10px;
}

.mobile-nav{
	height: 6rem;
	background: #fff;
	clear: both;
	display: none;
}

.mobile-nav .logo{
	margin: 1rem 0 0 1rem;
}

.mobile-btn-menu{
	position: absolute;
    right: 0;
    top: 1.2rem;
    display: flex;
    display: -ms-flexbox;
    display: -webkit-flex;
    justify-content: center;
    -ms-justify-content: center;
    -webkit-justify-content: center;
    align-items: center;
    -webkit-align-items: center;
    -ms-align-items: center;
    flex-direction: column;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    width: 54px;
    height: 52px;
    cursor: pointer;
}

.mobile-btn-menu .line{
	display: block;
    height: 3px;
    width: 28px;
    background: #0d6cff;
    border-radius: 4px;
    margin-bottom: 6px;
}

.mobile-menu-mask{
	display: none;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 14;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .2);
}

.mobile-menu{
	position: fixed;
    right: -110%;
    top: 0;
    z-index: 15;
    width: 70%;
    height: 100%;
    background: #fff;
    padding: 20px;
    overflow-y: auto;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    box-shadow: 20px 20px 0 #ddd;
}

.mobile-menu li{
	line-height: 4rem;
	border-bottom: 1px solid #eee;
}

.mobile-menu.show{
	right: 0;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
}

.mobile-contact{
	color: #333;
	margin: 2rem 0;
	font-size: 1.5rem;
	line-height: 3rem;
}



.btn-quote:hover{
	color: #fff;
	background: #0d6cff;
}

.biref{
	width: 80%;
	margin: 200px auto;
	text-align: center;
}

.biref h1{
	font-size: 46px;
	margin-bottom: 20px;
}

.biref p{
	font-size: 24px;
}

.biref .btn-solution{
	margin: 40px auto;
}

.yvideo{
	width: 580px;
	height: 326px;
	background: #000;
	margin: 200px 0;
}

.service{
	height: 80px;
	margin: 60px 0;
}

.service dl{
	font-size: 24px;
	width: 400px;
	height: 80px;
	float: left;
}

.service dl dt{
	width: 80px;
	height: 80px;
	display: inline-block;
}

.service dl dd{
	width: 300px;
	float: right;
}

.service dl dd span{
	font-size: 30px;
	font-weight: bold;
	margin-right: 10px;
}


.products,
.certificate,
.application,
.case,
.about,
.contact,
.copyright{
	height: 100%;
	padding: 70px 0;
	overflow: hidden;
}

.products li{
	width: 385px;
	height: 435px;
	border-radius: 15px;
	float: left;
	background: #fff;
	margin: 0 20px 20px 0;
	position: relative;
	transition: transform 0.3s ease;
}

.products li:nth-child(4n){
	margin-right: 0;
}

.products li img{
	width: 100%;
	border-top-left-radius: 15px;
	border-top-right-radius: 15px;
}

.products li h4{
	line-height: 50px;
	text-align: center;
}

.products li div{
	color: #fff;
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	line-height: 1;
	text-align: center;
	display: block;
	z-index: 997;
	border-radius: 15px;
	display: none;
	background: rgba(0, 0, 0, 0.3);
}

.products li span.btn-order{
	width: 150px;
	height: 40px;
	line-height: 40px;
	border-radius: 22px;
	text-align: center;
	display: inline-block;
	background: rgba(0,0,0,0.7);
	cursor: pointer;
	margin-top: 50%;
}

.products li:hover{
	box-shadow: 0 0 25px 0 #999;
	transform: scale(1.05);
}

.about img{
	border-radius: 15px;
}

.about-us{
	height: 450px;
	overflow: hidden;
	margin-bottom: 60px;
}

.about-all-view{
	width: 800px;
	height: 450px;
}

.about-brief{
	font-size: 22px;
	line-height: 36px;
	width: 740px;
}

.about-factory{
	height: 350px;
	overflow: hidden;
}

.about-factory ul{
	height: 350px;
	display: block;
}

.about-factory li{
	width: 500px;
	height: 350px;
	float: left;
	margin-right: 50px;
}

.about-factory li:nth-child(3n){
	margin-right: 0;
}


.certificate-brief{
	font-size: 28px;
	width: 750px;
	float: left;
}

.certificate-brief h4{
	font-size: 32px;
	margin: 40px 0 20px 0;
}

.certificate-brief p{
	font-size: 42px;
	font-weight: bold;
	margin-bottom: 20px;
}

.certificate-img{
	width: 800px;
	float: right;
}

.certificate-img img{
	width: 345px;
	height: 500px;
	margin: 0 20px;
}


.application-brief{
	width: 80%;
    text-align: right;
    font-size: 24px;
}

.application-list{
	height: 600px;
	clear: both;
	padding-top: 50px;
}

.application-list li{
	width: 185px;
	height: 600px;
	float: left;
	margin-right: 16px;
	position: relative;	
	transition: transform 0.3s ease;
}

.application-list li div{
	color: #fff;
	width: 100%;
	height: 600px;
	position: absolute;
	left: 0;
	bottom: 0;
	text-align: center;
	z-index: 999;
	border-radius: 18px;
	background: rgba(0, 0, 0, 0.5);
}

.application-list li div span{
	width: 98%;
	display: block;
	position: absolute;
	bottom: 0; 
	left: 0;
	padding: 10% 1%;
	z-index: 998;
}

.application-list li:last-child{
	margin-right: 0;
}

.application-list li img{
	width: 185px;
	height: 600px;
}

.application-list li:hover{
	transform: scale(1.1);
}


.case-box{
	position: relative;
	padding: 0 40px;
}

.case-list{
	padding: 50px 0;
}

.swiper-slide{
	transform: scale(0.8, 0.8);
	-webkit-transform: scale(0.8, 0.8);
	-webkit-transition: all 0.5s;
}

.swiper-slide img{
	width: 100%;
	border-radius: 15px;
}

.swiper-slide span{
	color: #fff;
	font-weight: bold;
	width: 100%;
	height: 60px;
	line-height: 60px;
	text-align: center;
	position: absolute;
	left: 0;
	bottom: 0;
	border-bottom-left-radius: 15px;
	border-bottom-right-radius: 15px;
	background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.8));
}

.swiper-slide-active,.swiper-slide-duplicate-active{
  transform: scale(1.08);
}

.swiper-btn{
	display: flex;
    display: -ms-flexbox;
    display: -webkit-flex;
    justify-content: center;
    -ms-justify-content: center;
    -webkit-justify-content: center;
    align-items: center;
    -webkit-align-items: center;
    -ms-align-items: center;
    position: absolute;
    top: 50%;
    z-index: 3;
    width: 66px;
    height: 66px;
    font-size: 24px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    transform: translate(0, -50%);
}

.swiper-btn-prev{
	left: 5%;
}

.swiper-btn-next{
	right: 5%;
}


.form{
	width: 780px;
}

.contact-brief h4{
	font-size: 42px;
	margin-bottom: 20px;
}

.contact-brief div{
	font-size: 24px;
}

.contact-form{
	padding-top: 30px;
}

.contact-form dl{
	height: 100%;
	overflow: hidden;
}

.contact-form dd{
	width: calc((100% - 20px)/2);
	height: 64px;
	margin: 20px 20px 0 0;
	display: inline-block;
	float: left;
}

.contact-form dd:nth-child(2n){
	margin-right: 0;
}

.contact-form dd.w100{
	width: 100%;
}

.contact-form dd.wtextarea{
	height: 132px;
}

.fitem-title{
	line-height: 24px;
}

.fitem-title i{
	color: red;
}

.fitem-input{
	width: 100%;
	height: 40px;
	float: left;
	line-height: 40px;
	border-left: 0;
	border-right: 0;
	border-top: 0;
	border-bottom: 1px dashed #999;
}

.fitem-textarea{
	width: 100%;
	height: 100px;
	line-height: 30px;
	border-left: 0;
	border-right: 0;
	border-top: 0;
	border-bottom: 1px dashed #999;
}

.btn-submit{
	font-size: 24px;
	border: 0;
}

.copyright{
	font-size: 22px;
	line-height: 40px;
}

.copyright a i{
	font-size: 34px;
}

.modal{
	position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 65%;
    height: 600px;
    background: #fff;
    border-radius: 20px;
    z-index: 9999;
    box-shadow: 0 0 20px 0 #333;
}

.modal-cover{
	position: fixed;
	left: 0;
	top: 0;
	height: 100%;
	width: 100%;
	background: rgba(0, 0, 0, 0.5);
	z-index: 9998;
	display: none;
}

.modal-brief{
	color: #fff;
	width: 42%;
	height: 500px;	
	background: #0d6cff;
	padding: 50px;
	border-top-left-radius: 20px;
	border-bottom-left-radius: 20px
}

.modal-brief ul{
	margin-left: 15px;
}

.modal-brief li{
	line-height: 30px;
	margin-bottom: 20px;
	list-style: disc;
	padding-left: 5px;
}

.modal-form{
	width: 40%;
	height: 500px;
	padding: 50px;
}

.modal-form dd{
	display: block;
	height: 100%;
	overflow: hidden;
	margin-bottom: 10px;
}

.slogon{
	font-size: 30px;
	font-weight: bold;
	margin-bottom: 100px;
}

#rtop {
    cursor: pointer;
}

#online-chat{
    position: fixed;
    right: 0;
    top: 350px;
    text-align: center;
    background: #fff;
    box-shadow: 0 4px 8px #ddd;
    z-index: 99999;
}

#online-chat a{
    font-size: 30px;
    width: 40px;
    height: 40px;
    padding: 5px;
    display: block;
    border-bottom: 1px solid #eee;
    text-align: center;
}

#online-chat a:hover{
    color: #0d6cff;
}

@media screen and (min-width: 721px) and (max-width: 1200px){
	.wrapper{
		max-width: 95%;
	}

	#home, .nav{
		display: none;
	}

	.mobile-nav{
		display: block;
	}

	h2{
		font-size: 2rem;
		margin-bottom: 2rem;
	}

	.biref{
		width: 100%;
		margin: 2rem 0;
	}

	.biref h1{
		font-size: 3rem;
		margin: 6rem 0;
	}

	.biref p{
		font-size: 1.2rem;
	}

	.btn-primary{
		margin: 1rem 0;
	}

	.biref .btn-solution{
		margin: 4rem auto;
	}

	.service{
		height: 100%;
		overflow: hidden;
	}

	.service dl{
		width: 50%;
		height: 100%;
		overflow: hidden;
		margin: 1rem 0;
	}

	.service dl dd{
		width: 75%;
		float: right;
	}

	.products, .certificate, .application, .case, .about, .contact, .copyright{
		padding: 2rem 0;
	}

	.products li{
		width: calc((100% - 1rem)/2);
		height: auto;
		margin-right: 1rem;
	}

	.products li:nth-child(2n){
		margin-right: 0;
	}

	.about-all-view{
		width: 100%;
		height: auto;
	}

	.about-all-view img{
		width: 100%;
	}

	.about-us, .about-brief, .about-factory, .about-factory ul{
		width: 100%;
		height: 100%;
		overflow: hidden;
	}

	.about-brief{
		font-size: 1.2rem;
		padding-top: 2rem;
	}

	.about-us{
		margin-bottom: 2rem;
	}

	.about-factory li{
		width: calc((100% - 2rem)/3);
		height: 100%;
		overflow: hidden;
		margin: 0 1rem 1rem 0;
	}

	.about-factory li img{
		width: 100%;
		height: auto;
	}

	.certificate-brief{
		width: 100%;
		font-size: 1.5rem;
	}

	.certificate-brief h4{
		font-size: 2rem;
	}

	.certificate-brief p{
		font-size: 2rem;
	}

	.certificate-img{
		width: 100%;
		padding: 1rem 0;
	}

	.certificate-img img{
		width: calc((100% - 1rem)/2);
		height: auto;
		margin: 0;
		float: left;
	}

	.certificate-img img:nth-child(1){
		margin-right: .5rem;
	}

	.application-brief{
		width: 100%;
		text-align: center;
	}

	.application-list{
		padding: 2rem 0;
	}

	.application-list li{
		width: 23%;
		height: auto;
		font-size: 1rem;
		margin: 0 0.5rem 1rem 0;
	}

	.application-list li:nth-child(4n){
		margin-right: 0;
	}

	.application-list li div{
		width: 100%;
		height: 100%;
		border-radius: 12px;
	}

	.application-list li div span{
		width: 98%;
		display: block;
		position: absolute;
		bottom: 0; 
		left: 0;
		padding: 10% 1%;
		z-index: 998;
	}

	.application-list li img{
		width: 100%;
		height: auto;
	}

	.application-list li:hover{
		transform: scale(1.1);
	}

	.case-list{
		padding: 2rem 0;
	}

	.swiper-btn{
		width: 3rem;
		height: 3rem;
	}

	.swiper-slide{
		transform: scale(0.8, 0.8);
		-webkit-transform: scale(0.8, 0.8);
		-webkit-transition: all 0.5s;
	}

	.form{
		width: 100%;
	}

	.contact img{
		width: 100%;
		height: auto;
	}

	.contact-brief{
		width: 100%;
	}

	.contact-brief h4{
		font-size: 1.5rem;
		margin: 1rem 0;
	}

	.contact-brief div{
		font-size: 1.2rem;
	}

	.contact-form{
		padding-top: 30px;
	}

	.contact-form dl{
		height: 100%;
		overflow: hidden;
	}

	.contact-form dd{
		width: calc((100% - 1rem)/2);
		height: 64px;
		margin: 1rem 1rem 0 0;
		display: inline-block;
		float: left;
	}

	.contact-form dd:nth-child(2n){
		margin-right: 0;
	}

	.copyright{
		font-size: 1.2rem;
		line-height: 2rem;
		text-align: center;
	}

	.copyright a i{
		font-size: 2rem;
	}

	.modal-brief{
		display: none;
	}

	.modal{
		width: 90%;
		height: auto;
		overflow: hidden;
	}

	.modal-form{
		width: 90%;
		height: 100%;
		overflow: hidden;
		padding: 2rem 5%;
	}
}

@media screen and (min-width: 300px) and (max-width: 720px){
	.wrapper{
		max-width: 95%;
	}
	
	.mobile-nav{
		display: block;
	}

	h2{
		font-size: 2rem;
		margin-bottom: 2rem;
	}

	#home, .nav{
		display: none;
	}

	.biref{
		width: 100%;
		margin: 2rem 0;
	}

	.biref h1{
		font-size: 3rem;
		margin: 6rem 0;
	}

	.btn-primary{
		margin: 1rem 0;
	}

	.biref .btn-solution{
		margin: 4rem auto;
	}

	.yvideo{
		width: 100%;
		height: auto;
		margin: 0;
	}

	.service{
		height: 100%;
		overflow: hidden;
	}

	.service dl{
		width: 100%;
		height: 100%;
		overflow: hidden;
		margin: 1rem 0;
	}

	.service dl dd{
		width: 75%;
		float: right;
	}

	.products, .certificate, .application, .case, .about, .contact, .copyright{
		padding: 2rem 0;
	}

	.products li{
		width: 100%;
		height: auto;
	}

	.about-all-view{
		width: 100%;
		height: auto;
	}

	.about-all-view img{
		width: 100%;
	}

	.about-us, .about-brief, .about-factory, .about-factory ul{
		width: 100%;
		height: 100%;
		overflow: hidden;
	}

	.about-brief{
		font-size: 1.2rem;
		padding-top: 2rem;
	}

	.about-us{
		margin-bottom: 2rem;
	}

	.about-factory li{
		width: 100%;
		height: 100%;
		overflow: hidden;
		margin: 0 0 1rem 0;
	}

	.about-factory li img{
		width: 100%;
		height: auto;
	}

	.certificate-brief{
		width: 100%;
		font-size: 1.5rem;
	}

	.certificate-brief h4{
		font-size: 2rem;
	}

	.certificate-brief p{
		font-size: 2rem;
	}

	.certificate-img{
		width: 100%;
		padding: 1rem 0;
	}

	.certificate-img img{
		width: calc((100% - 1rem)/2);
		height: auto;
		margin: 0;
	}

	.certificate-img img:nth-child(1){
		margin-right: .5rem;
	}

	.application-brief{
		width: 100%;
		text-align: center;
	}

	.application-list{
		padding: 2rem 0;
	}

	.application-list li{
		width: 23%;
		height: auto;
		font-size: 1rem;
		margin: 0 0.5rem 1rem 0;
	}

	.application-list li:nth-child(4n){
		margin-right: 0;
	}

	.application-list li div{
		width: 100%;
		height: 100%;
		border-radius: 12px;
	}

	.application-list li div span{
		width: 98%;
		display: block;
		position: absolute;
		bottom: 0; 
		left: 0;
		padding: 10% 1%;
		z-index: 998;
	}

	.application-list li img{
		width: 100%;
		height: auto;
	}

	.application-list li:hover{
		transform: scale(1.1);
	}

	.case-list{
		padding: 2rem 0;
	}

	.swiper-btn{
		width: 3rem;
		height: 3rem;
	}

	.swiper-slide{
		transform: scale(1, 1);
		-webkit-transform: scale(1, 1);
		-webkit-transition: all 0.5s;
	}

	.form{
		width: 100%;
	}

	.contact img{
		width: 100%;
		height: auto;
	}

	.contact-brief{
		width: 100%;
	}

	.contact-brief h4{
		font-size: 1.5rem;
		margin: 1rem 0;
	}

	.contact-brief div{
		font-size: 1.2rem;
	}

	.contact-form{
		padding-top: 30px;
	}

	.contact-form dl{
		height: 100%;
		overflow: hidden;
	}

	.contact-form dd{
		width: 100%;
		height: 64px;
		margin: 1rem 0 0 0;
		display: inline-block;
		float: left;
	}

	.copyright{
		font-size: 1.2rem;
		line-height: 2rem;
		text-align: center;
	}

	.copyright a i{
		font-size: 2rem;
	}

	.modal-brief{
		display: none;
	}

	.modal{
		width: 90%;
		height: auto;
		overflow: hidden;
	}

	.modal-form{
		width: 90%;
		height: 100%;
		overflow: hidden;
		padding: 2rem 5%;
	}
}