.banner {
	width: 100%;
}

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

.main .item1 {
	margin-bottom: 80px;
}

.main .item1 .title {
	height: 160px;
	width: 100%;
	background-image: url(../images/about_title.png);
	background-repeat: no-repeat;
	background-position: center center;
	margin-bottom: 70px;
}

.main .item1 .article {
	display: flex;
	flex-flow: row nowrap;
	justify-content: center;
	background-image: url(../images/about_content_bg.jpg);
	background-repeat: no-repeat;
	background-position: left 490px bottom 55px;
}

.main .item1 .article .l {
	width: 50%;
}

.main .item1 .article .l h4.cn_title {
	font-size: 30px;
	color: #a82930;
	line-height: 30px;
	margin-top: 65px;
	font-weight: 500;
	letter-spacing: 4px;
}

.main .item1 .article .l p.en_title {
	font-size: 16px;
	color: #737373;
	line-height: 40px;
}

.main .item1 .article .l .about_content {
	padding-top: 25px;
}

.main .item1 .article .l .about_content p {
	font-size: 16px;
	color: #36332b;
	line-height: 32px;
}

.main .item1 .article .r {
	width: 50%;
	box-sizing: border-box;
	padding-left: 44px;
}

.main .item1 .article .r img {
	width: 100%;
	display: block;
}

.main .item2 .container {
	background-image: url(../images/strength.png);
	background-repeat: no-repeat;
	background-position: left top 35px;
	padding-bottom: 120px;
}

.main .item2 h4.cn_title {
	font-size: 48px;
	color: #434343;
	line-height: 48px;
	text-align: center;
	font-weight: 500;
	letter-spacing: 6px;
}

.main .item2 p.en_title {
	font-size: 32px;
	color: rgba(108,108,108,.3);
	text-align: right;
	line-height: 58px;
	letter-spacing: 5px;
	font-weight: 100;
	margin-bottom: 36px;
}

.main .item2 ul {
	width: calc(100%);
	display: flex;
	flex-flow: row nowrap;
	justify-content: space-between;
}

.main .item2 ul li {
	width: calc((100% - 60px) / 4);
}

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

.main .item2 ul li .txt h5 {
	font-size: 16px;
	color: #282828;
	font-weight: 600;
	line-height: 40px;
	padding-top: 4px;
}

.main .item2 ul li .txt p {
	font-size: 14px;
	color: #828282;
}