.banner {
	width: 100%;
	/*padding-top: 138px;*/
}

.banner img {
	display: block;
	width: 100%;
}

.main {
	background-color: #f7f7f7;
	padding-bottom: 120px;
	padding-top: 60px;
}

.main .item1 {
	padding-top: 55px;
}

.main .item1 .l {
	width: calc((540 / 1380) * 100%);
}

.main .item1 .gallery-top .swiper-slide img {
	display: block;
	width: 100%;
}

.main .item1 .gallery-thumbs {
	padding-top: 15px;
}

.main .item1 .gallery-thumbs .swiper-slide img {
	display: block;
	width: 100%;
	border: 1px solid transparent;
}

.main .item1 .gallery-thumbs .swiper-slide-thumb-active img {
	border: 1px solid #1a1512;
}


.main .item1 .r {
	width: calc((780 / 1380) * 100%);
}

.main .item1 .r h2.title {
	font-family: 'helv';
	font-size: 30px;
	color: #1a1512;
	line-height: 30px;
}

.main .item1 .r .parameter {
	padding-top: 18px;
	padding-bottom: 16px;
}

.main .item1 .r .parameter p {
	font-size: 14px;
	font-family: Arial;
	color: #212529;
	line-height: 30px;
	
}

.main .item1 .r h5.related {
	font-family: 'helv';
	font-size: 20px;
	color: #787878;
	line-height: 60px;
}

.main .item1 .r ul.related_products {
	display: flex;
	flex-flow: row nowrap;
	justify-content: flex-start;
	margin-left: -15px;
	margin-right: -15px;
	padding-bottom: 50px;
}

.main .item1 .r ul.related_products li {
	width: calc((100% - 90px) / 3);
	margin: 0 15px;
}

.main .item1 .r ul.related_products li img {
	display: block;
	width: 100%;
}

.main .item1 .r a.contact {
	display: block;
	width: 166px;
	height: 56px;
	background-color: #444444;
	font-size: 16px;
	color: #ffffff;
	text-align: center;
	line-height: 56px;
}

.main .item2 h2.title {
	font-family: 'helv';
	font-size: 30px;
	color: #1a1512;
	line-height: 130px;
	padding-top: 15px;
}

.main .item2 img {
	display: block;
	width: 100%;
}

.main .item3 {
	padding-top: 60px;
}

.main .item3 h2.title {
	font-family: 'helv';
	font-size: 30px;
	color: #1a1512;
	line-height: 66px;
}

.main .item3 h5 {
	font-family: 'helv';
	font-size: 30px;
	color: #787878;
	line-height: 66px;
	font-weight: 500;
	padding-bottom: 40px;
}

.main .item3 .message {
	padding: 15px 20px;
	box-sizing: border-box;
	border: 1px dashed #b6b6b6;
}

@media screen and (max-width: 1430px ) {
	
	.banner {
		width: 100%;
	}
	
	.main {
		padding-top: 20px;
		padding-bottom: 70px;
	}
	
	.main .path {
		display: none;
	}
	
	.main .item1 {
		padding-top: 0px;
	}
	
	.main .item1 .l,
	.main .item1 .r {
		width: 100%;
	}
	
	.main .item1 .gallery-thumbs {
		padding-top: 10px;
	}
	
	.main .item1 .r {
		padding-top: 10px;
	}
	
	.main .item1 .r h2.title {
		font-size: 24px;
		line-height: 36px;
	}
	
	.main .item1 .r .parameter {
		padding-top: 10px;
	}
	
	.main .item1 .r h5.related {
		display: none;
	}
	
	.main .item1 .r ul.related_products {
		display: none;
	}
	
	.main .item1 .r a.contact {
		font-size: 14px;
		width: 130px;
		height: 50px;
		line-height: 50px;
	}
	
	.main .item2 {
		display: none;
	}
	
	.main .item2 h2.title {
		font-size: 24px;
		line-height: 48px;
	}
	
	.main .item3 {
		padding-top: 20px;
	}
	
	.main .item3 h2.title {
		font-size: 24px;
		line-height: 36px;
	}
	
	.main .item3 h5 {
		font-size: 24px;
		line-height: 36px;
		padding-bottom: 10px;
	}
	
	.main .item3 .message {
		padding: 10px;
	}
	
}