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

.main {
	background-color: #f6f6f6;
	padding-bottom: 120px;
}

.main .type_nav {
	border-bottom: 1px solid #4b4b4b;
}

.main .type_nav ul li {
	float: left;
}

.main .type_nav ul li a {
	display: block;
	font-family: pingfangm;
	font-size: 18px;
	color: #424242;
	line-height: 60px;
	margin: 0 40px;
}

.main .type_nav ul li a.active {
	color: #00368d;
}

.main .product {
	margin-top: 60px;
}

.main .product .container {
	box-sizing: border-box;
	padding: 25px 30px;
	background-color: #eeeeee;
}

.main .product .container .product_read {
	background-color: #ffffff;
	box-sizing: border-box;
	padding: 20px;
}

.main .product .container .product_read .top .l {
	width: 460px;
}

.main .product .container .product_read .top .l .pic {
	width: 100%;
	height: 360px;
	box-sizing: border-box;
	border: 1px solid #dfdfdf;
	position: relative;
	background-image: url(../images/product_bg.jpg);
	background-size: cover;
	background-position: center center;
}

.main .product .container .product_read .top .l .pic img {
	position: absolute;
	display: block;
	margin: auto;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	max-width: 100%;
}

.main .product .container .product_read .top .r {
	width: calc(100% - 550px);
	box-sizing: border-box;
	padding-right: 140px;
}

.main .product .container .product_read .top .r .title h4 {
	font-family: pingfangb;
	font-size: 24px;
	color: #00368d;
	line-height: 40px;
	margin-top: 28px;
}

.main .product .container .product_read .top .r .title p {
	font-family: pingfangm;
	font-size: 18px;
	color: #00368d;
	line-height: 36px;
	margin-bottom: 46px;
}

.main .product .container .product_read .top .r .summary h4 {
	font-family: pingfangb;
	font-size: 24px;
	color: #00368d;
	line-height: 54px;
}

.main .product .container .product_read .top .r .summary p {
	font-family: pingfangm;
	font-size: 18px;
	color: #00368d;
	line-height: 26px;
}

.main .product .container .product_read .bottom h4 {
	font-family: pingfangb;
	font-size: 24px;
	color: #00368d;
	line-height: 112px;
	padding-top: 8px;
}

.main .product .container .product_read .bottom .content ul {
	margin-left: -25px;
	margin-right: -25px;
	display: flex;
	flex-flow: row wrap;
	justify-content: space-between;
}

.main .product .container .product_read .bottom .content ul li {
	width: calc((1100px - 150px) / 4);
	margin: 0 25px;
	margin-bottom: 30px;
	box-sizing: border-box;
	border: 1px solid #bfbfbf;
}

.main .product .container .product_read .bottom .content ul li img {
	display: block;
	width: 100%;
}

.main .product .container .product_read .bottom .product_next {
	margin-top: 40px;
}

.main .product .container .product_read .bottom .product_next a.infolist2 {
	display: block;
	font-family: pingfangm;
	font-size: 18px;
	color: #333333;
	line-height: 38px;
	border-top: 1px solid #cacaca;
	border-bottom: 1px solid #cacaca;
	margin-bottom: -1px;
	box-sizing: border-box;
	padding-left: 25px;
	background-repeat: no-repeat;
	background-position: left 5px center;
}

.main .product .container .product_read .bottom .product_next a:first-child {
	background-image: url(../images/product_prev.png);
}

.main .product .container .product_read .bottom .product_next a:last-child {
	background-image: url(../images/product_next.png);
}