.banner {
	width: 100%;
}

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

.main .jssl_title {
	height: 160px;
	width: 100%;
	background-image: url(../images/jssl_title.png);
	background-repeat: no-repeat;
	background-position: center center;
	margin-bottom: 120px;
}

.main .item1 .container {
	background-image: url(../images/about_content_bg.jpg);
	background-repeat: no-repeat;
	background-position: left 340px bottom 90px;
	padding-bottom: 120px;
}

.main .item1 .l,
.main .item1 .r {
	width: 50%;
}

.main .item1 .l h4.cn_title {
	font-size: 48px;
	font-weight: 500;
	line-height: 50px;
	padding-top: 55px;
	color: #434343;
}

.main .item1 .l h4.en_title {
	font-size: 32px;
	color: rgba(108,108,108,.3);
	font-weight: 500;
	text-align: right;
	line-height: 102px;
	padding-bottom: 18px;
	padding-right: 20px;
}

.main .item1 .l .item1_content .txt {
	width: 250px;
	font-size: 14px;
	color: #5b5957;
	line-height: 24px;
	text-indent: 2em;
	margin-top: 48px;
}

.main .item1 .l .item1_content .txt .pic {
	width: 268px;
	margin-left: 17px;
}

.main .item1 .l .item1_content .txt .pic img {
	width: 100%;
	display: block;
}

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

.main .item2 {
	height: 620px;
	background-image: url(../images/jgsb_bg.jpg);
	background-size: cover;
	background-position: center center;
}

.main .item2 .l {
	width: 540px;
}

.main .item2 .l .pic img {
	width: 100%;
	display: block;
	padding-top: 70px;
}

.main .item2 .l h4.cn_title {
	font-size: 20px;
	color: #282828;
	line-height: 34px;
	font-weight: 500;
	margin-top: 32px;
}

.main .item2 .l h4.en_title {
	font-size: 14px;
	color: #828282;
	font-weight: 500;
	line-height: 30px;
}

.main .item2 .r {
	width: calc(100% - 570px);
}

.main .item2 .r h4.cn_title {
	font-size: 48px;
	color: #515151;
	line-height: 73px;
	font-weight: 500;
	text-align: right;
	padding-top: 150px;
}

.main .item2 .r h4.en_title {
	font-size: 32px;
	color: #b6b5b5;
	font-weight: 500;
	text-align: right;
	line-height: 54px;
	padding-right: 50px;
	padding-bottom: 40px;
}

.main .item2 .r .item2_list {
	display: flex;
	flex-flow: row nowrap;
	justify-content: space-between;
}

.main .item2 .r .item2_list li {
	width: calc((100% - 20px) / 3);
}

.main .item2 .r .item2_list li img {
	display: block;
	width: 100%;
}

.main .item3 {
	padding-bottom: 120px;
}

.main .item3 .container {
	position: relative;
}

.main .item3 h4.cn_title {
	font-size: 48px;
	color: #434343;
	line-height: 80px;
	font-weight: 500;
	padding-top: 72px;
}

.main .item3 h4.en_title {
	font-size: 32px;
	color: rgba(108,108,108,.3);
	font-weight: 500;
	line-height: 70px;
	padding-left: 100px;
	padding-bottom: 50px;
}

.main .item3 .item3_list .swiper-slide {
	box-sizing: border-box;
	padding: 35px 23px;
	border: 1px solid #bebebe;
}

.main .item3 .item3_list .swiper-slide img {
	display: block;
	width: 100%;
}

.main .item3 .swiper-button-next,
.main .item3 .swiper-button-prev {
	width: 44px;
	height: 44px;
	top: 147px;
	right: 0px;
	left: auto;
	background-color: #a82930;
	background-size: auto;
	background-position: center center;
	opacity: 1;
	outline: none;
}

.main .item3 .swiper-button-next {
	background-image: url(../images/honor_white_next.png);
}

.main .item3 .swiper-button-prev {
	right: 44px;
	background-image: url(../images/honor_white_prev.png);
}

.main .item3 .swiper-button-disabled {
	background-color: #e5e5e5;
}