* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;}
a {
	text-decoration: none;}
a:link {  
	color: #666;
	text-decoration: none;} 
a:visited { 
	color: #666;
	text-decoration: none;} 
a:hover { 
	text-decoration: none;} 
li {
	list-style: none;}
.w {
	width: 1200px;}
.clearfix:after{/*伪元素是行内元素 正常浏览器清除浮动方法*/
    content: "";
    display: block;
    height: 0;
    clear:both;
    visibility: hidden;}

.clearfix{
	*zoom: 1;}

header {
	margin: 0 auto;
	height: 128px;
	display: flex;}
header img {
	width: 220px;
	height: 128px;}
header div{
	height: 128px;
	font-family: MicrosoftYaHei;
	font-size: 36px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 120px;
	letter-spacing: 1px;
	color: #000000;}

#background_img {
	position: absolute;
	height: 422px;}

/**nav 部分**/
.nav {
	width: 100%;
	background-color: #2077be; 
	z-index: 2;}

.nav > ul {
	margin: 0 auto;
	text-align: center;
	height: 50px;}

.nav_fir {
	width: 10%;	
	float: left;
	height: 28px;
	line-height: 28px;
	text-align: center;
	cursor: pointer;  /*改变光标样式*/
	transition: all 0.2s;
	position: relative;
	top: 11px;
	border-right: 1px solid #fff;}
.nav_fir:hover >a {
	text-decoration: underline;}
.nav_fir:first-child {}

.nav_fir:last-child {
	border-right: 0px solid #fff;}


.nav_fir > a {
	font-family: MicrosoftYaHei;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #ffffff;}

.nav_sec {
	width: 120px;
	position: absolute;
	background-color:  #fff;
	display: none;
	top: 39px;
	background-color: #3e96c7;
	z-index: 2;}

.nav_sec > li {
	width: 105px;
	height: 42px;
	margin: 0 auto;
	border-bottom: 1px solid #fff;}
.nav_sec > li:last-child {
	border: 0;}

.nav_sec > li a{
	line-height: 42px;
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #ffffff;}
.nav_sec  a:hover {
	text-decoration: underline;}
.banner {
	height: 340px;
	position: relative;
	overflow:hidden;}
.backgorund-img {
	/*position: absolute;*/
	top: 50px;
	width: 100%;}
#swiper_nav_1 {
	position: relative;}
#swiper_nav_1 .swiper-slide {
	height: 404px;
	width: 100%;
	overflow: hidden;}
#swiper_nav_1 .masking {
	width: 100%;
	height: 50%;
	background-color: rgba(0,0,0,0.2);
	position: absolute;
	bottom: 0
;}

.banner-button .swiper-button-prev {
	background-image: url();
	width: 33px;
	height: 65px;
	background-color: #666666;
	top: 50%;
	margin-top: -65px;
	left: 160px;
	opacity: 0;
	transition: opacity 1s;
	visibility: hidden;}
.banner-button .swiper-button-prev:hover {
	background-color: #0087d1;}
.banner:hover .banner-button .swiper-button-prev,
.banner:hover .banner-button .swiper-button-next {
	visibility: visible;
	opacity: 1;}
.banner-button .swiper-button-next {
	background-image: url();
	width: 33px;
	height: 65px;
	background-color: #666666;
	top: 50%;
	margin-top: -65px;
	right: 160px;
	opacity: 0;
	transition: opacity 1s;
	visibility: hidden;}

.banner-button .swiper-button-next:hover {
	background-color: #0087d1;}
.banner-button .swiper-button-prev span,
.banner-button .swiper-button-next span {
	display: block;
	width: 23px;
	height: 4px;
	background-color: white;
	border-radius: 4px;}
.banner-button .swiper-button-prev .s1 {
	margin-top: 24px;
	transform: rotate(-45deg);
	margin-left: 5px;}
.banner-button .swiper-button-prev .s2 {
	transform: rotate(45deg);
	margin-top: 10px;
	margin-left: 5px;}
.banner-button .swiper-button-next .s1 {
	margin-top: 24px;
	transform: rotate(45deg);
	margin-left: 6px;}
.banner-button .swiper-button-next .s2 {	
	transform: rotate(-45deg);
	margin-top: 10px;
	margin-left: 6px;}

.banner-bottom .swiper-container {
    width: 600px;
    height: 40px;} 	


#swiper_nav_2 .swiper-button-prev {
	background-image: url("");
	top:100%;
   	margin-top: -40px;
	left: 100%;
    	margin-left: -27px;
	text-align: center;
	height: 26px;}
#swiper_nav_2 .swiper-button-prev img {}
#swiper_nav_2 .swiper-button-prev:hover img{}
#swiper_nav_2 .swiper-button-next {
	background-image: url("");
	background-size: 80%;
	top:100%;
   	margin-top: -24px;
	right: 0;
	text-align: center;
	height: 26px;}
#swiper_nav_2 {
	width: 1200px;
	position: relative;}
.banner-bottom {
	width: 100%;
	position: absolute;
	bottom: 0;
	background-color: #0087d1;
	opacity: 0.8;
	z-index: 2;}
.swiper2-slide-bottom {
	display: flex;
	line-height: 40px;}
.slide-bottom-icon {
	padding-top: 2px;
	margin-right: 10px;}
.slide-bottom-title {
	margin-right: 25px;
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #ffffff;}
.slide-bottom-date {
	margin-right: 35px;
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #ffffff;
	white-space:  nowrp;
 	text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;}
.slide-bottom-content {
	width: 599px;
	height: 40px;
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #ffffff;
	white-space:  nowrp;
 	text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;}

.first-floor {
	height: 525px;
	margin: 0 auto;
	margin-top: 19px;}
.fir-title {
	height: 35px;
	border-bottom: 1px solid #f9f9f9;}
.fir-title-left {
	width: 123px;
	font-family: MicrosoftYaHei;
	font-size: 18px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #000000;
	padding-bottom: 9px;
	border-bottom: 2px solid #0087d1;
	display: flex;}
.fir-title-left div {
	display: inline-block;
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #888888;
	margin-top: 4px;
	margin-left: 8px;}
.fir-title-right {
	float: right;
	margin-top: -34px;
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 24px;
	letter-spacing: 0px;
	color: #666666;}
.fir-title-right:hover a{
	color: #0087d1;}
.fir-content {
	padding-top: 30px;
	height: 420px;
	display: flex;
	justify-content: space-between;}
.fir-content-left {
	width: 580px;
	height: 420px;}
.fir-content-right {
	width: 580px;
	height: 420px;}

/***sec swiper***/
.fir-left {
	width: 580px;
	height: 420px;
	float:left;}
.first-floor .swiper-container {
	width: 580px;
	height: 420px;} 	
.first-floor .swiper-pagination {
	width: 100%;
	bottom: 114px;
    padding-left: 0;}

.first-floor .swiper-pagination-bullet {
	display: inline-block;
	margin: 0 5px;
	border-radius: 10px;
	width: 10px;
	height: 10px;
	background-color: #e1e1e1;}
	/*自定义分页器激活时的样式表现*/
.first-floor .swiper-pagination-bullet-active {
	width: 35px;
	height: 10px;
	background-color: #0087d1;
	border-radius: 5px;}
#swiper_nav_3 {
	position: relative;}

.s-nav-3 {
	width: 600px;
	height: 278px;}
.s-nav-3 img{
	width:100%;}
.first-floor .masking {
	width: 580px;
	height: 143px;
	background-color: #fff;
	position: absolute;
	bottom: 0;
	color: white;
	line-height: 36px;
	padding-top: 42px;}
.first-floor .masking:hover .fir-left-content{
	text-decoration: underline;}
.fir-left-title {
	width: 433px;
	/*margin-top: 50px;*/
	color: black;
	/*margin-top: 42px;*/
	font-family: MicrosoftYaHei;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #0087d1;
	white-space:  nowrp;
    display: inline-block;
    height: 36px;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    display: inline-block;}
.fir-left-date {
	height: 22px;
	float: right;
	margin-top: 3px;
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #666666;}
.fir-left-content {
	margin-top: -14px;
	width: 580px;
	height: 68px;
	font-family: MicrosoftYaHei;
	line-height: 24px;
	text-indent: 2rem;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #333333;
	/*white-space:  nowrp;*/
  	text-overflow: ellipsis;
    /*display: -webkit-box;*/
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;}

.fir-right-list {
	margin-top: 18px;
	width: 580px;
	height: 91px;
	position: relative;
	bottom: 0;
	position: relative;	
	padding-bottom: 20px;
	border-bottom: 1px solid  #f2f2f2;}
.fir-right-list:first-child {
	margin-top: 0;}

.fir-right-title {
	width: 433px;
	height: 24px;
    font-family: MicrosoftYaHei;
	font-size: 18px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 24px;
	letter-spacing: 0px;
	color: #000000;
    white-space: nowrp;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    cursor: pointer;
    font-weight: bold;
   color: #0087d1;}
.fir-right-date {
    height: 22px;
    position: absolute;
    margin-top: -19px;
    right: 0;
    margin-bottom: 11px;
    font-family: MicrosoftYaHei;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #666666;}
.fir-right-list:hover .fir-right-title{
	color: #0087d1;}

.fir-right-content:hover {
	text-decoration: underline;
	cursor: pointer;}

.fir-right-content {
	width: 580px;
	height: 50px;
	margin-top: 10px;
	font-family: MicrosoftYaHei;
	line-height: 24px;
	text-indent: 2rem;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #333333;
	/*white-space:  nowrp;*/
  	text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;}

.second-floor {
	height: 335px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;}

.sec-left {
	width: 580px;
	height: 300px;}
.sec-right {
	width: 580px;
	height: 300px;}



.sec-left-title,
.sec-right-title {
	width: 580px;
	height: 35px;
	border-bottom: 1px solid #f9f9f9;}
.sec-left-title-left,
 .sec-right-title-left {
	width: 185px;
	font-family: MicrosoftYaHei;
	font-size: 18px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #000000;
	padding-bottom: 9px;
	border-bottom: 2px solid #0087d1;
	display: flex;}
.sec-right-title-left {
	width: 171px;}
.sec-left-title-left div,
.sec-right-title-left div {
	display: inline-block;
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #888888;
	margin-top: 4px;
	margin-left: 11px;}
.sec-left-title-right,
.sec-right-title-right {
	float: right;
	margin-top: -34px;
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 24px;
	letter-spacing: 0px;
	color: #666666;}
.sec-left-title-right:hover a,
.sec-right-title-right:hover a {
	color: #0087d1;}

.sec-left-content {
	width: 580px;
	height: 233px;
	margin-top: 30px;
	overflow: hidden;}
.sec-left-content:hover p{
	text-decoration: underline;}
.s-l-img {
	width: 259px;
	height: 174px;
	margin-right: 23px;
	margin-bottom: 10px;
	overflow: hidden;
	float: left;}
.s-l-img img{
	max-height:100%;}
.sec-left-content p {
	height: 230px;
	white-space:  nowrp;
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 23.5px;
	letter-spacing: 0px;
	color: #333333;
 	text-overflow: ellipsis;
	text-indent: 2rem;}
.sec-right-content {
	width: 580px;
	height: 233px;
	margin-top: 30px;}
.sec-right-content ul {
	display: flex;
	justify-content: space-between;}
.sec-right-cont-list {
	width: 183px;
	height: 231px;
	text-align: center;
	box-shadow: 0px 3px 8px 0px 
		rgba(167, 167, 167, 0.2);
	transition: all 0.3s;
	overflow: hidden;}
.s-r-l-img {
	width: 183px;
	height: 123px;
	overflow: hidden;}
.s-r-l-img img{
	max-height:100%;}
.sec-right-cont-list:hover .sec-r-content {
	text-decoration: underline;}
.sec-right-cont-list:hover{
	box-shadow: 2px 2px 10px rgba(0,0,0,.3);
	transform: translateY(-5px);}
.sec-right-cont-list:hover img{
	transform: scale(1.05) ;}
.sec-right-cont-list img{
	transition: all 0.3s;}
.sec-r-title {
	font-family: MicrosoftYaHei;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	margin-top: 6px;
	margin-bottom: 3px;
	letter-spacing: 0px;
	color: #0669cf;
	white-space:  nowrp;
 	text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;}
.sec-r-content {
	padding-left: 7px;
    padding-right: 7px;
	height: 72px;
	font-family: MicrosoftYaHei;
	text-indent: 2rem;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 24px;
	letter-spacing: 0px;
	color: #333333;
	white-space:  nowrp;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
	text-align: left;}

.four-floor {
	height: 135px;
	margin: 0 auto;}

.four-floor .swiper-container {}

.four-floor .swiper-slide {
	width: 112px;}

#swiper_nav_4 {
	position: relative;}
.nav-4-img {
	width: 180px;
	height: 135px;
	overflow: hidden;}

.nav-4-img img{
	max-height:100%;}

.four-floor .masking {
	width: 180px;
	height: 24px;
	background-color: black;
	position: absolute;
	bottom: 0px;
	color: white;
	line-height: 36px;}

.four-floor .masking p {
	margin-left: 11px;
	font-family: MicrosoftYaHei;
	letter-spacing: 0px; 
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 24px;
	letter-spacing: 0px;
	color: #ffffff;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;}

.four-floor-button .swiper-button-prev {
	background-image: url();
	width: 30px;
	height: 60px;
	background-color: #666666;
	margin-top: -30px;
	left: 0.5px;
	opacity: 0;
	visibility: hidden;
	transition: opacity 1s;}
.four-floor:hover .four-floor-button .swiper-button-prev,
.four-floor:hover .four-floor-button .swiper-button-next {
	visibility: visible;
	opacity: 1;}

.four-floor-button .swiper-button-prev:hover {
	background-color: #0087d1;}
.four-floor-button .swiper-button-next {
	background-image: url();
	width: 30px;
	height: 60px;
	background-color: #666666;
	margin-top: -30px;
	right: 0px;
	opacity: 0;
	visibility: hidden;
	transition: opacity 1s;}
.four-floor-button .swiper-button-next:hover {
	background-color: #0087d1;}
.four-floor-button .swiper-button-prev span,
.four-floor-button .swiper-button-next span {
	display: block;
	width: 23px;
	height: 4px;
	background-color: white;
	border-radius: 4px;}
.four-floor-button .swiper-button-prev .s1 {
	margin-top: 22px;
	transform: rotate(-45deg);
	margin-left: 4px;}
.four-floor-button .swiper-button-prev .s2 {
	transform: rotate(45deg);
	margin-top: 10px;
	margin-left: 4px;}
.four-floor-button .swiper-button-next .s1 {
	margin-top: 23px;
	transform: rotate(45deg);
	margin-left: 5px;}
.four-floor-button .swiper-button-next .s2 {	
	transform: rotate(-45deg);
	margin-top: 10px;
	margin-left: 5px;}