.n_banner img{
	width: 100%
}
.product_index>ul {
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap
}
.product_index>ul>li {
	list-style-type: none;
	width: 33.33%
}

@media (max-width: 668px) {
.product_index>ul>li {
	width: 100%
}
}
.product_index>ul>li .item {
	display: block;
	width: 100%;
	height: 380px;
	position: relative;
	overflow: hidden;
	transition: all 0.5s
}

@media (max-width: 1681px) {
.product_index>ul>li .item {
	height: 300px
}
}

@media (max-width: 1380px) {
.product_index>ul>li .item {
	height: 250px
}
}

@media (max-width: 1180px) {
.product_index>ul>li .item {
	height: 200px
}
}
.product_index>ul>li .item_before {
	display: block;
	width: 100%;
	height: 100%;
	position: relative;
	overflow: hidden;
	transition: all 0.5s
}
.product_index>ul>li .item_before:after {
	content: "";
	display: block;
	width: 275px;
	height: 176px;
	background-repeat: no-repeat;
	background-position: center center;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
	position: absolute;
	left: 20px;
	top: -30px;
	z-index: 1;
	opacity: 0.5;
	transition: all 0.5s
}
.product_index>ul>li .item_before .txt {
	display: block;
	width: 100%;
	padding-left: 60px;
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	z-index: 2
}

@media (max-width: 1681px) {
.product_index>ul>li .item_before .txt {
	padding-left: 40px
}
}

@media (max-width: 968px) {
.product_index>ul>li .item_before .txt {
	padding-left: 20px
}
}
.product_index>ul>li .item_before .txt .icon {
	width: 65px;
	height: 65px
}

@media (max-width: 1380px) {
.product_index>ul>li .item_before .txt .icon {
	width: 50px;
	height: 50px
}
}
.product_index>ul>li .item_before .txt .icon svg {
	vertical-align: top;
	width: 100%;
	height: 100%;
	color: #004098
}
.product_index>ul>li .item_before .txt b.t {
	margin: 30px 0;
	display: block;
	font-size: 24px;
	color: #000;
	font-weight: lighter;
	transition: all 0.5s
}

@media (max-width: 1681px) {
.product_index>ul>li .item_before .txt b.t {
	margin: 20px 0;
	font-size: 18px
}
}

@media (max-width: 1380px) {
.product_index>ul>li .item_before .txt b.t {
	font-size: 16px
}
}
.product_index>ul>li .item_before .txt .more {

	display: inline-block;
	width: 100px;
	height: 42px;
	line-height: 40px;
	border: 1px solid #004098;
	border-radius: 22px;
	text-align: center;
	color: #004098;
	font-size: 12px;
	transition: all 0.5s
}

@media (max-width: 1681px) {
.product_index>ul>li .item_before .txt .more {
	height: 36px;
	line-height: 34px
}
}

@media (max-width: 1380px) {
.product_index>ul>li .item_before .txt .more {
	width: 80px
}
}
.product_index>ul>li .item_before .img {
	width: 100%;
	height: 100%;
	overflow: hidden
}
.product_index>ul>li .item_before .img span {
	display: block;
	width: 100%;
	height: 100%;
	background-repeat: no-repeat;
	background-position: center center;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
	transition: all 1s
}
.product_index>ul>li .item_after {
	display: block;
	width: 100%;
	height: 100%;
	background-color: rgba(0,64,152,0.95);
	position: absolute;
	left: 0;
	top: 0;
	z-index: 2;
	opacity: 0;
	transition: all 0.5s
}

@media (max-width: 1180px) {
.product_index>ul>li .item_after {
	display: none
}
}
.product_index>ul>li .item_after .inner {
	padding: 30px;
	height: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center
}

@media (max-width: 1681px) {
.product_index>ul>li .item_after .inner {
	padding: 20px
}
}
.product_index>ul>li .item_after .inner .icon {
	margin-right: 30px;
	width: 70px;
	height: auto;
	text-align: center;
	position: relative;
	padding-bottom: 30px
}
.product_index>ul>li .item_after .inner .icon b {
	display: block;
	text-align: center;
	font-size: 16px;
	color: #fff;
	white-space: nowrap;
	position: absolute;
	left: 50%;
	top: 0;
	transform: translateX(-50%)
}
.product_index>ul>li .item_after .inner .list {
	flex: 1
}

@media (max-width: 1440px) {
.product_index>ul>li .item_after .inner .list {
/*	height: 100%*/
}
}
.product_index>ul>li .item_after .inner .list ul {
	margin: 0 -5px;
	padding: 0;
	display: flex;
	flex-wrap: wrap
}
.product_index>ul>li .item_after .inner .list ul>li {
	list-style-type: none;
	padding: 0 5px;
	width: 50%;
	margin-bottom: 5px
}

@media (max-width: 1440px) {
.product_index>ul>li .item_after .inner .list ul>li {
/*	width: 100%*/
}
}
.product_index>ul>li .item_after .inner .list ul>li a {
	display: block;
	font-size: 14px;
	line-height: 22px;
	color: #fff
}

@media (min-width: 1180px) {
.product_index>ul>li .item:hover {
	position: relative;
	z-index: 10;
	box-shadow: 0 0 60px 0px rgba(0,0,0,0.3)
}
.product_index>ul>li .item:hover .item_before:after {
	opacity: 0
}
.product_index>ul>li .item:hover .item_before .txt b.t {
	color: #004098
}
.product_index>ul>li .item:hover .item_before .txt .more {
	background-color: #004098;
	color: #fff
}
.product_index>ul>li .item:hover .item_before .img span {
	transform: scale(1.1)
}
.product_index>ul>li .item:hover .item_after {
	opacity: 1
}
}
/*详情页*/
.warper{
	width: 100%;
	overflow: hidden;
	padding-bottom: 80px;
}
.chain_box{
	width: 100%;
	overflow: hidden;
    padding: 70px 0;
}
.chain_box .chain_lfte{
	width: 48%;
	float: left;
	overflow: hidden;
}
.chain_box .chain_lfte .chain_lfte_tit p{
	display: block;
    font-size: 22px;
    line-height: 22px;
    margin: 0 0 10px;
    color: #f08300;
}
.chain_box .chain_lfte .chain_lfte_tit h1{
	display: block;
    font-size: 40px;
    line-height: 40px;
    color: #004098;
	font-weight: bold;
}
.chain_box .chain_lfte .chain_lfte_tit h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 2px;
    line-height: 2px;
    background-color: #999;
    margin: 20px 0;
}
.chain_box .chain_lfte .chain_lfte_text{
	width: 100%;
	overflow: hidden;
	padding: 20px 0;
}
.chain_box .chain_lfte .chain_lfte_text p{
	font-size: 15px;
	margin: 0;
	line-height: 28px;
	color: #666;
}
.chain_box .chain_lfte .downlist{
	width: 100%;
	overflow: hidden;
}
.chain_box .chain_lfte .downlist ul li{
	width: 50%;
	float: left;
	margin: 8px 0;
}
.chain_box .chain_lfte .downlist ul li a {
	font-size: 16px;
	color: #333;
	display: flex;
	align-items: center;
}
.chain_box .chain_lfte .downlist ul li a img{
	width: 22px;
	height: 22px;
	margin-right: 10px;
}
.chain_box .chain_lfte .relate_application{
	width: 100%;
	overflow: hidden;
	margin-top: 20px;
}
.chain_box .chain_lfte .relate_application h1{
	padding: 20px 0;
    display: block;
    font-size: 18px;
    color: #333;
	font-weight: bold;
}
.chain_box .chain_lfte .relate_application>ul{
	display: flex;
    flex-wrap: wrap;
}
.chain_box .chain_lfte .relate_application>ul li{
	width: 20%;
    text-align: center;
	margin: 5px 0;
}
.chain_box .chain_lfte .relate_application>ul li img{
	width: 80px;
    height: 80px;
	margin-bottom: 10px;
}
.chain_box .chain_lfte .relate_application>ul li p{
	font-size: 14px;
	color: #999;
	width: 80px;
	text-align: center;
}
.chain_right{
	width: 48%;
	float: right;
	overflow: hidden;
}
.chain_right img{
	width: 100%
}
.chain_right .lbtit{
	font-size: 16px;
    text-align: center;
    line-height: 48px;
    font-weight: bold;
}
.chain_xq{
	width: 100%;
	overflow: hidden;
	padding: 40px 0 0;
    border-top: 1px solid #ddd;
}


























