.banner {
	height: 100vh;
}

.banner-slide-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.banner-navigation {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 11;
	width: 50px;
	height: 50px;
	cursor: pointer;
}

.banner-navigation-prev {
	left: 130px;
}

.banner-navigation-next {
	right: 130px;
}

.banner-navigation-prev:hover {
	content: url(../imgs/active_navigation_prev.png);
}

.banner-navigation-next:hover {
	content: url(../imgs/active_navigation_next.png);
}

.banner-slide-info {
	position: absolute;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 1200px;
	height: 100%;
	color: #fff;
}

.banner-slide-infoTitle {
	position: relative;
	padding-bottom: 30px;
	font-size: 50px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	line-height: 1;
}

.banner-slide-infoTitle::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100px;
	height: 4px;
	background-color: #fff;
}

.banner-slide-infoText {
	margin-top: 20px;
	width: 760px;
	font-size: 16px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 36px;
}

.banner-slide-infoBtn {
	box-sizing: border-box;
	margin-top: 70px;
	width: 200px;
	height: 50px;
	border: 1px solid #fff;
	font-size: 16px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	color: #fff;
}

.service-box {
	background-color: #F2F4F7;
}

.service {
	margin: auto;
	padding: 50px 0;
	width: 1200px;
}

.service-item {
	    float: left;
    position: relative;
    top: 0;
    box-sizing: border-box;
    margin-right: 12px;
    padding: 20px 40px;
    width: 230px;
    height: 110px;
    background-color: #fff;
    transition: all 200ms;
    cursor: pointer;
}

.service-item:last-child {
	margin-right: 0;
}

.service-item-icon {
	width: 44px;
	height: 44px;
}

.service-item-icon:nth-of-type(2) {
	display: none;
}

.service-item-info {
	margin-left: 25px;
}

.service-item-title {
	font-size: 18px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	line-height: 1.5;
	color: #262626;
}

.service-item-text {
	margin-top: 15px;
	font-size: 12px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 1;
	color: #404040;
}

.service-item:hover {
	top: -10px;
	background-color: #273763;
    box-shadow: 0 5px 15px rgba(0,48,89, 0.4);
}

.service-item:hover * {
	color: #fff;
}

.service-item:hover .service-item-icon:first-of-type {
	display: none;
}

.service-item:hover .service-item-icon:nth-of-type(2) {
	display: initial;
}

/* 简介 */
.intro {
	background: url(../imgs/1920-715.jpg) no-repeat top center / cover;
}

.intro-text {
	margin: auto;
	margin-top: 40px;
	width: 1000px;
	font-size: 16px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 40px;
	text-align: center;
	color: #262626;
}

.intro-icons {
	margin-top: 50px;
	font-size: 0;
	text-align: center;
}

.intro-iconBox {
	margin-right: 70px;
	font-size: 0;
	cursor: pointer;
}

.intro-iconBox:last-child {
	margin-right: 0;
}

.intro-icon {
	width: 60px;
	height: 60px;
}

.intro-icon:nth-of-type(2) {
	display: none;
}

.intro-iconBox:hover .intro-icon:first-of-type {
	display: none;
}

.intro-iconBox:hover .intro-icon:nth-of-type(2) {
	display: initial;
}

.intro-btn {
	margin: 70px auto 0;
}

/* 业务领域 */
.professional-field {
	background-color: #F2F4F7;
}

.professional-field-list {
	overflow: hidden;
	margin-top: 50px;
}

.professional-field-listItem {
	float: left;
	box-sizing: border-box;
	position: relative;
	padding: 20px;
	width: 300px;
	height: 240px;
	border-right: 1px solid #E6E6E6;
	background-color: #fff;
	text-align: center;
	cursor: pointer;
}

.professional-field-listItem:nth-child(4n) {
	border-color: transparent;
}

.professional-field-listItem:nth-child(n + 5) {
	border-top: 1px solid #E6E6E6;
}

.professional-field-listItemIcon {
	margin-top: 20px;
	width: 60px;
	height: 60px;
}

.professional-field-listItemTitle {
	position: relative;
	margin-top: 30px;
	padding-bottom: 25px;
	font-size: 20px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	line-height: 0px;
	color: #262626;
}

.professional-field-listItemTitle::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 30px;
	height: 2px;
	background-color: #273763;
}

.professional-field-listItemEnglish {
	margin-top: 15px;
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 1;
	color: #404040;
}

.professional-field-listItemInfo {
	position: absolute;
	top: 0;
	left: 0;
	z-index: 1;
	opacity: 0;
	box-sizing: border-box;
	padding: 35px 25px;
	width: 300px;
	height: 240px;
	background-color: #273763;
	text-align: initial;
}

.professional-field-listItemInfoIcon {
	width: 44px;
	height: 44px;
}
/* 
.professional-field-listItemArrows {
	width: 30px;
	height: 30px;
} */

.professional-field-listItemInfoTitle {
	position: relative;
	margin-top: 30px;
	padding-bottom: 15px;
	font-size: 20px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	line-height: 1;
	color: #fff;
}

.professional-field-listItemInfoTitle::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 30px;
	height: 2px;
	background-color: #fff;
}

.professional-field-listItemInfoText {
	margin-top: 15px;
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	color: #fff;
}

.professional-field-listItem:hover .professional-field-listItemInfo {
	opacity: 1;
}

/* 成功案例 */
.success-case-swiper {
	margin-top: 50px;
	height: 340px;
}

.success-case-swiperSlideImg {
	width: 540px;
	height: 100%;
	object-fit: cover;
}

.success-case-swiperSlideInfo {
	position: relative;
	margin-left: 40px;
}

.success-case-swiperSlideInfoTitle {
	position: relative;
	margin-top: 20px;
	padding-bottom: 15px;
	font-size: 24px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	line-height: 1;
	color: #262626;
}

.success-case-swiperSlideInfoTitle::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100px;
	height: 2px;
	background-color: #273763;
}

.success-case-swiperSlideInfoText {
	margin-top: 20px;
	font-size: 16px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 32px;
	color: #666;
}

.success-case-swiperSlideBtn {
	margin: 45px 0 0;
	border-color: #273763;
	color: #273763;
}

.success-case-swiperPaginationNavigation {
	position: absolute;
	bottom: 19px;
	left: 580px;
	z-index: 20;
	width: 620px;
}

.team-swiper .swiper-slide-active {
    box-shadow: 0 8px 20px rgba(0,0,0, 0.3);
}

.success-case-swiper .swiper-pagination-bullet,
.team-swiper-box .swiper-pagination-bullet {
	opacity: 1;
	margin-right: 15px;
	width: 35px;
	height: 6px;
	background-color: #E6E6E6;
	border-radius: 0;
}

.success-case .swiper-pagination-bullet:last-child,
.team-swiper-box .swiper-pagination-bullet:last-child {
	margin-right: 0;
}

.success-case .swiper-pagination-bullet-active,
.team-swiper-box .swiper-pagination-bullet-active {
	background-color: #273763;
}

.success-case-swiperNavigation {
	position: relative;	
	margin: 0 20px;
}

.success-case-swiperPaginationNavigationWire {
	width: 112px;
	height: 2px;
	background-color: #E6E6E6;
}

.success-case-swiperNavigationPrev,
.success-case-swiperNavigationNext {
	width: 24px;
	height: 24px;
	cursor: pointer;
}

.success-case-swiperNavigationNext {
	margin-left: 40px;
}

.success-case-swiperPaginationNavigationWire2 {
	width: 70px;
	height: 2px;
	background-color: #E6E6E6;
}

.success-case-list {
	position: relative;
	margin-top: 10px;
}

.success-case-list::after {
	content: "";
	clear: both;
	display: block;
	width: 0;
	height: 0;
	visibility: hidden;
}

.success-case-listItem {
	float: left;
	position: relative;
	box-sizing: border-box;
	margin-top: 30px;
	margin-right: 30px;
	width: 380px;
	border: 1px solid #E6E6E6;
	font-size: 0;
	cursor: pointer;
}

.success-case-listItem:nth-child(3n) {
	margin-right: 0;
}

.success-case-listItemImg {
	width: 100%;
	height: 240px;
	object-fit: cover;
}

.success-case-listItemInfo {
	padding: 21px 20px 25px;
}

.success-case-listItemTitle {
	font-size: 20px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	line-height: 1;
	color: #262626;
}

.success-case-listItemLink {
	width: 24px;
	height: 24px;
}

.success-case-listItemText {
	margin-top: 15px;
	padding-top: 20px;
	border-top: 1px solid #E6E6E6;
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 30px;
	color: #666;
}

.success-case-listItemMoreInfo {
	position: absolute;
	top: 0;
	left: 0;
	z-index: -1;
	box-sizing: border-box;
	padding: 20px;
	width: 100%;
	height: 240px;
	background-color: rgba(0,0,0,0.7);
}

.success-case-listItemMoreContent {
	box-sizing: border-box;
	width: 100%;
	height: 100%;
	border: 1px solid  #fff;
}

.success-case-listItemMoreBtn {
	width: 130px;
	height: 40px;
	background-color: #fff;
	font-size: 16px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 1;
	color: #273763;
}

.success-case-listItem:hover {
	border-color: transparent;
	background-color: #273763;
    box-shadow: 0 5px 15px rgba(0,48,89, 0.4);

}

.success-case-listItem:hover .success-case-listItemInfo * {
	color: #fff;
}

.success-case-listItem:hover .success-case-listItemLink {
	content: url(../imgs/active_link_icon.png);
}

.success-case-listItem:hover .success-case-listItemMoreInfo {
	z-index: 2;
}

.success-case-btn {
	margin: auto;
	margin-top: 70px;
	
}

/* 专业团队 */
.team {
	background: url(../imgs/1920-780.jpg) no-repeat top center / cover;
}

.team-swiper-box {
	overflow: hidden;
	margin: auto;
	margin-top: 50px;
	width: 1200px;
}

.team-swiper {
	overflow: visible;
	width: 840px;
	height: 460px;
}

.team-swiper-slide {
	display: flex;
	align-items: center;
	background: url(../imgs/tem_info_bg.png) no-repeat top center / cover;

}

.team-swiper-slideImgBox {
	position: relative;
	width: 320px;
}

.team-swiper-slideImgBox::after {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.team-swiper-slideImg {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.team-swiper-slideInfo {
	display: none;
	flex: 1;
	overflow: hidden;
	padding: 40px 35px 40px 45px;
}

.team-swiper-slideName {
	font-size: 24px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	line-height: 1;
	color: #fff;
}

.team-swiper-slideExp {
	margin-top: 15px;
	color: #fff;
}

.team-swiper-slideExp span {
	padding-bottom: 10px;
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 21px;
}

.team-swiper-slideExp span:first-child {
	border-bottom: 2px solid #fff;
}

.team-swiper-slideBtn {
	width: 140px;
	height: 44px;
	border: 1px solid #fff;
	font-size: 18px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	color: #fff;
}

.team-swiper-slideTitle {
	margin-top: 25px;
	font-size: 16px;
	font-family: Source Han Sans CN;
	font-weight: 600;
	line-height: 26px;
	color: #fff;
}

.team-swiper-slideText {
	margin-top: 10px;
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 26px;
	color: #fff;
}

.team-swiper-slideWire {
	visibility: hidden;
	position: absolute;
	top: 50px;
	left: 285px;
	z-index: 6;
	width: 60px;
	height: 4px;
	background-color: #fff
}

.team-swiper .swiper-slide-active .team-swiper-slideWire {
	visibility: visible;
}

.team-swiper .swiper-slide-next {
	justify-content: flex-end;
}

.team-swiper .swiper-slide-prev .team-swiper-slideImgBox::after {
	background: url(../imgs/180-380.png) no-repeat top left / cover;
}

.team-swiper .swiper-slide-next .team-swiper-slideImgBox::after {
	background: url(../imgs/180-380_2.png) no-repeat top left / cover ;
}

.team-swiper .swiper-slide-active .team-swiper-slideInfo {
	display: block;
}

.team-swiper-pagination {
	margin-top: 50px;
	font-size: 0;
	text-align: center;
}

/* 服务优势 */
.service-advantage-list {
	overflow: hidden;
	margin-top: 30px;
}

.service-advantage-listItem {
	float: left;
	box-sizing: border-box;
	margin-top: 20px;
	margin-right: 30px;
	padding: 30px 20px;
	width: 380px;
	height: 265px;
	border: 1px solid #ccc;
	font-size: 0;
	text-align: center;
	cursor: pointer;
}

.service-advantage-listItem:nth-child(3n) {
	margin-right: 0;
}

.service-advantage-listItemIcon {
	margin-top: 15px;
	width: 70px;
	height: 70px;
}

.service-advantage-listItemIcon:nth-of-type(2) {
	display: none;
}

.service-advantage-listItemTitle {
	position: relative;
	margin-top: 30px;
	padding-bottom: 15px;
	font-size: 20px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	line-height: 1;
	color: #262626;
}

.service-advantage-listItemTitle::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 30px;
	height: 2px;
	background-color: #273763;
}

.service-advantage-listItemText {
	margin-top: 10px;
	font-size: 16px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 32px;
	color: #404040;
}

.service-advantage-listItem:hover {
	border-color: #273763;
	background-color: #273763;
}

.service-advantage-listItem:hover * {
	color: #fff;
}

.service-advantage-listItem:hover .service-advantage-listItemIcon:first-of-type {
	display: none;
}

.service-advantage-listItem:hover .service-advantage-listItemIcon:nth-of-type(2) {
	display: initial;
}

/* 新闻动态 */
.news {
	background-color: #F2F4F7;
}

.news-nav {
	overflow: hidden;
	margin-top: 50px;
	text-align: center;
	font-size: 0;
}

.news-nav-item {
	display: inline-block;
	margin-right: 40px;
	width: 150px;
	height: 44px;
	border: 1px solid #ccc;
	font-size: 16px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 44px;
	text-align: center;
	color: #262626;
	cursor: pointer;
}

.news-nav-item:last-child {
	margin-right: 0;
}

.news-nav-item_active {
	background-color: #273763;
	border-color: #fff;
	color: #fff;
}

.news-list {
	margin-top: 40px;
}

.news-list-left {
	position: relative;
}

.news-list-left::after {
	content: "";
	clear: both;
	display: block;
	width: 0;
	height: 0;
}

.news-list-item {
	float: left;
	position: relative;
	margin-right: 20px;
	width: 320px;
	font-size: 0;
	background-color: #fff;
	cursor: pointer;
}

.news-list-item::after {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	z-index: -1;
	width: 100%;
	height: 200px;
	background-color: rgba(0,0,0,0.7);
}

.news-list-item:nth-child(2n) {
	margin-right: 0;
}

.news-list-itemImg {
	width: 100%;
	height: 200px;
}

.news-list-itemInfo {
	padding: 25px 20px;
}

.news-list-itemTitle {
	font-size: 18px;
	font-family: Source Han Sans CN;
	font-weight: 500;
	line-height: 1;
	color: #282828;
}

.news-list-itemText,
.news-list-itemDate,
.news-list-itemInfo .news-list-itemLink {
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 30px;
	color: #999;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
}

.news-list-itemText {
	margin-top: 10px;
}

.news-list-itemCell {
	margin-top: 16px;
	padding-top: 15px;
	border-top: 1px solid #ccc;
}

.news-list-item:hover {
	background-color: #273763;
    box-shadow: 0 5px 15px rgba(0,48,89, 0.4);

}

.news-list-item:hover:after {
	z-index: 2;
}

.news-list-item:hover .news-list-itemTitle {
	color: #fff;
}

.news-list-item:hover .news-list-itemText,
.news-list-item:hover .news-list-itemDate,
.news-list-item:hover .news-list-itemLink {
	color: #B3CEE6;
}

.news-list-item:hover .news-list-itemCell {
	border-color: #B3CEE6;
}

.news-list-item2 {
	width: 510px;
	height: 100px;
	background-color: #fff;
	cursor: pointer;
}

.news-list-item2:nth-child(n + 2) {
	margin-top: 10px;
} 

.news-list-item2DateBox {
	width: 99px;
	height: 100%;
}

.news-list-item2Date {
	font-size: 36px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	line-height: 30px;
	color: #333;
}

.news-list-item2YearMonth {
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 30px;
	color: #999;
}

.news-list-item2Info {
	padding: 25px 20px;
	border-left: 1px solid #E6E6E6;
	width: 370px;
}

.news-list-item2InfoTitle {
	font-size: 18px;
	font-family: Source Han Sans CN;
	font-weight: 600;
	line-height: 1;
	color: #262626;
}

.news-list-item2InfoText {
	margin-top: 15px;
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 1;
	color: #999;
}

.news-list-item2:hover {
	background-color: #273763;
    box-shadow: 0 5px 15px rgba(0,48,89, 0.4);
}

.news-list-item2:hover * {
	color: #fff;
}

.news-btn {
	margin: 70px auto 30px;
}

.other {
	padding: 50px 0;
}

.other-content {
	margin: auto;
	width: 1200px;
}

.other-nav {
	overflow: hidden;
}

.other-nav-item {
	float: left;
	padding-bottom: 15px;
	border-bottom: 3px solid transparent;
	font-size: 18px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 1;
	color: #999;
	cursor: pointer;
}

.other-nav-item:nth-child(n + 2) {
	margin-left: 20px;
}

.other-nav-item_active {
	border-color:#273763;
	font-weight: bold;
	color: #273763;
}

.other-list {
	overflow: hidden;
	margin-top: 10px;
	font-size: 0;
	white-space: nowrap;
	display: none;
}
.other-list.on{
	display: block;
}

.other-list-item {
	display: inline-block;
	margin-right: 30px;
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 34px;
	color: #666;
}

.other-list-item:nth-child(13n) {
	margin-right: 0;
}

.service-advantage2 {
	padding: 40px 0;
	border-top: 1px solid #E6E6E6;
}

.service-advantage2-item {
	margin-right: 20px;
	width: 280px;
}

.service-advantage2-item:last-child {
	margin-right: 0;
}

.service-advantage2-itemIcon {
	width: 44px;
	height: 44px;
}

.service-advantage2-itemInfo {
	margin-left: 20px;
}

.service-advantage2-itemTitle {
	font-size: 18px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	line-height: 1;
	color: #262626;
}

.service-advantage2-itemText {
	margin-top: 10px;
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 1;
	color: #999;
}