.banner {
	width: 100%;
}

.banner img {
	display: block;
	width: 100%;
}

.main {
	background-color: #FFFFFF;
	padding-bottom: 100px;
}

.main .container {
	width: 1400px;
}

.main .item3 .container {
	width: 1400px !important;
}

.main .item1 {
	background-image: url(../images/about_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	height: 900px;
}

.main .item1 .txt {
	width: 50%;
	float: right;
}

.main .item1 .txt h4.title {
	font-size: 45px;
	font-weight: bold;
	color: #231815;
	line-height: 125px;
	margin-top: 108px;
	background-image: url(../images/product_title_bg.jpg);
	background-repeat: no-repeat;
	background-position: left bottom;
	margin-bottom: 40px;
}

.main .item1 .txt .article p {
	font-size: 15px;
	color: #333333;
	line-height: 35px;
	margin-bottom: 36px;
}

.main .item2 {
	background-color: #f5f5f5;
	padding-bottom: 220px;
}

.main .item2 .container_a {
	position: relative;
}

.main .item2 h4.title {
	font-size: 45px;
	color: #231815;
	font-weight: bold;
	text-align: center;
	line-height: 165px;
	padding-top: 40px;
}

.main .item2 .swiper-container {
  	width: 100%;
  	height: 100%;
}

.main .item2 .swiper-slide {
	  text-align: center;
	  font-size: 18px;
	  background: #fff;
	
	  /* Center slide text vertically */
	  display: -webkit-box;
	  display: -ms-flexbox;
	  display: -webkit-flex;
	  display: flex;
	  -webkit-box-pack: center;
	  -ms-flex-pack: center;
	  -webkit-justify-content: center;
	  justify-content: center;
	  -webkit-box-align: center;
	  -ms-flex-align: center;
	  -webkit-align-items: center;
	  align-items: center;
	  box-sizing: border-box;
	  padding: 0 30px;
	  padding-top: 30px;
}

.main .item2 .swiper-slide .pic {
	box-sizing: border-box;
	padding: 30px;
	border-bottom: 1px solid #f5f5f5;
}

.main .item2 .swiper-slide .pic img {
	display: block;
	width: 100%;
}

.main .item2 .swiper-slide p {
	font-size: 16px;
	color: #231815;
	text-align: center;
	line-height: 60px;
}

.main .item2 .swiper-button-next,
.main .item2 .swiper-button-prev {
	background-image: url(../images/honor_page.png);
	width: 60px;
	height: 60px;
	background-color: #FFFFFF;
	border-radius: 50%;
	background-size: auto;
	top: auto;
	bottom: -120px;
}

.main .item2 .swiper-button-next {
	left: calc(50% - 66px);
	right: auto;
}

.main .item2 .swiper-button-prev {
	right: calc(50% - 66px);
	left: auto;
	transform: rotateZ(180deg);
}

.main .item3 {
	background-image: url(../images/wenhua_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	height: 960px;
}

.main .item3 h4.title {
	font-size: 45px;
	font-weight: bold;
	color: #FFFFFF;
	text-align: center;
	line-height: 165px;
	padding-top: 40px;
}

.main .item3 ul.wenhua_list {
	display: flex;
	flex-flow: row wrap;
	justify-content: space-between;
}

.main .item3 ul.wenhua_list li {
	width: 320px;
	height: 320px;
	background-color: #FFFFFF;
	box-sizing: border-box;
	padding: 0 40px;
	margin-bottom: 20px;
}

.main .item3 ul.wenhua_list li i {
	display: block;
	width: 90px;
	height: 90px;
	border-radius: 50%;
	background-color: #f8f8f8;
	margin: 0 auto;
	margin-top: 40px;
	background-repeat: no-repeat;
	background-position: center center;
}

.main .item3 ul.wenhua_list li h5 {
	font-size: 20px;
	font-weight: bold;
	color: #333333;
	text-align: center;
	line-height: 52px;
	background-image: url(../images/wenhua_title_bg1.jpg);
	background-repeat: no-repeat;
	background-position: center bottom;
	padding-top: 27px;
}

.main .item3 ul.wenhua_list li p {
	font-size: 14px;
	color: #231815;
	text-align: center;
	line-height: 24px;
	padding-top: 10px;
}

.main .item3 ul.wenhua_list li:nth-of-type(3),
.main .item3 ul.wenhua_list li:nth-of-type(4) {
	width: 720px;
	background-repeat: no-repeat;
	background-position: center center;
	padding: 0 70px;
}

.main .item3 ul.wenhua_list li:nth-of-type(3) h5,
.main .item3 ul.wenhua_list li:nth-of-type(4) h5 {
	font-size: 20px;
	font-weight: bold;
	color: #FFFFFF;
	line-height: 52px;
	background-image: url(../images/wenhua_title_bg2.jpg);
	background-repeat: no-repeat;
	background-position: left bottom;
	text-align: left;
	padding-top: 107px;
}

.main .item3 ul.wenhua_list li:nth-of-type(3) p,
.main .item3 ul.wenhua_list li:nth-of-type(4) p {
	font-size: 14px;
	color: #FFFFFF;
	line-height: 24px;
	padding-top: 10px;
	text-align: left;
}

.main .item3 ul.wenhua_list li:nth-of-type(3) {
	background-image: url(../images/wenhua_p1.jpg);
}

.main .item3 ul.wenhua_list li:nth-of-type(4) {
	background-image: url(../images/wenhua_p2.jpg);
}

.main .item3 ul.wenhua_list li:nth-of-type(1) i {
	background-image: url(../images/wenhua_i1.png);
}

.main .item3 ul.wenhua_list li:nth-of-type(2) i {
	background-image: url(../images/wenhua_i2.png);
}

.main .item3 ul.wenhua_list li:nth-of-type(5) i {
	background-image: url(../images/wenhua_i3.png);
}

.main .item3 ul.wenhua_list li:nth-of-type(6) i {
	background-image: url(../images/wenhua_i4.png);
}

.main .item4 h4.title {
	font-size: 45px;
	font-weight: bold;
	color: #231815;
	text-align: center;
	line-height: 165px;
	padding-top: 40px;
}

.main .item4 img {
	display: block;
	width: 100%;
}

@media screen and (max-width: 1520px ) {
	
	.main .item3 .container {
		width: 1200px !important;
	}
	
	.main .item3 ul.wenhua_list li {
		width: 290px;
	}
	
	.main .item3 ul.wenhua_list li:nth-of-type(3),
	.main .item3 ul.wenhua_list li:nth-of-type(4) {
		width: 580px;
	} 	
	
}

@media screen and (max-width: 1050px ) {
	
	.banner {
		overflow: hidden;
	}
	
	.banner img {
		width: 140%;
		margin-left: -20%;
	}
	
	.main .item1 {
		height: auto;
		background-size: cover;
	}
	
	.main .item1 .txt {
		float: none;
		width: 100%;
	}
	
	.main .item1 .txt h4.title {
		margin-top: 10px;
		margin-bottom: 10px;
		font-size: 22px;
		line-height: 46px;
		text-align: center;
		background-position: bottom center;
	}
	
	.main .item1 .txt .article p {
		font-size: 14px;
		line-height: 28px;
		margin-bottom: 15px;
	}
	
	.main .item2 {
		padding-bottom: 120px;
	}
	
	.main .item2 h4.title {
		font-size: 22px;
		line-height: 46px;
		padding-top: 10px;
		padding-bottom: 10px;
	}
	
	.main .item2 .swiper-button-next, .main .item2 .swiper-button-prev {
		bottom: -80px;
	}
	
	.main .item3 {
		height: auto;
		background-color: #CCCCCC;
	}
	
	.main .item3 .container {
		width: 100% !important;
	}
	
	.main .item3 h4.title {
		font-size: 22px;
		line-height: 46px;
		padding-top: 10px;
		padding-bottom: 10px;
	}
	
	.main .item3 ul.wenhua_list li {
		width: 50%;
		padding: 0 10px;
	}
	
	.main .item3 ul.wenhua_list li:nth-of-type(3), .main .item3 ul.wenhua_list li:nth-of-type(4) {
		width: 100%;
		height: 220px;
	}
	
	.main .item3 ul.wenhua_list li i {
		width: 60px;
		height: 60px;
		background-size: 20px;
	}
	
	.main .item3 ul.wenhua_list li h5 {
		font-size: 18px;
		padding-top: 10px;
	}
	
	.main .item3 ul.wenhua_list li:nth-of-type(3) h5, .main .item3 ul.wenhua_list li:nth-of-type(4) h5 {
		font-size: 18px;
		padding-top: 57px;
	}
	
	.main .item4 {
		display: none;
	}
	
	.main .item4 h4.title {
		font-size: 22px;
		line-height: 46px;
		padding-top: 10px;
		padding-bottom: 10px;
	}
	
}