@charset "UTF-8";

/**
 * @ClassName: index.css
 * @Description: 首页样式表
 * @Author: wwwwww
 * @Date: 2018-12-1
 */
html,
body {
	width: 100%;
	height: 100%;
	min-width: 1200px;
}

/*--------- 头部 ---------*/
.main-header {
	width: 100%;
	height: 164px;
	background: #a71d2a;
}

.header-logo {
	padding: 0 15px 0 28px;
	height: 114px;
	box-sizing: border-box;
}

.header-left {
	padding: 25px 0 0;
}

.header-right .header-item {
	padding-top: 30px;
	float: left;
	width: 50px;
	text-align: center;
}

.header-right .header-item.search-item {
	width: 200px;
}

.header-right .header-item.search-item input {
	display: inline-block;
	margin-top: 8px;
	float: left;
	width: 150px;
	height: 22px;
	line-height: 22px;
	padding: 0 10px;
	box-sizing: border-box;
	border: none;
	border-radius: 15px;
	background: #fff;
	outline: none;
}

.header-right .header-item a {
	display: inline-block;
	width: 40px;
	font-size: 12px;
	color: #fff;
}

.header-right .header-item a:hover {
	color: #e3e3e3;
}

.header-right .header-item .header-icon {
	height: 35px;
}

.header-right .header-item .icon-search {
	background: url(../images/cms/index/icon-search.png)no-repeat center;
}

.header-right .header-item .icon-map {
	background: url(../images/cms/index/icon-map.png)no-repeat center;
}

.header-right .header-item .icon-login {
	background: url(../images/cms/index/icon-login.png)no-repeat center;
}

.header-menu {
	width: 100%;
	height: 50px;
	line-height: 50px;
	font-size: 17px;
	background: #9F1723;
}

.header-menu>ul>li {
	position: relative;
	float: left;
	padding: 0 32px;
}

.header-menu>ul>li:hover {
	background: #8c0410;
}

.header-menu>ul>li>a {
	display: inline-block;
	height: 48px;
	padding: 0 10px;
	color: #fff;
	opacity: .7;
}

.header-menu>ul>li>a:hover {
	opacity: 1;
}

.header-menu>ul>li.active>a {
	color: #fff;
	opacity: 1;
	border-bottom: 2px solid #fff;
}

.header-menu>ul>li>ul {
	display: none;
}

.header-menu>ul>li:hover>ul {
	display: block;
	position: absolute;
	top: 50px;
	left: 0;
	width: 100%;
	z-index: 10;
}

.header-menu>ul>li>ul>li {
	height: 40px;
	line-height: 40px;
	font-size: 14px;
	background: #ab1926;
	box-sizing: border-box;
}

.header-menu>ul>li>ul>li:hover {
	background: #8c0410;
}

.header-menu>ul>li>ul>li a {
	display: inline-block;
	padding-left: 42px;
	width: 100%;
	color: #fff;
	opacity: .7;
}

.header-menu>ul>li>ul>li:hover a {
	opacity: 1;
}

/*.header-menu{width: 100%;height: 50px;line-height: 50px;font-size: 17px;background: #ab1926;}
.header-menu li{float: left;padding: 0 32px;}
.header-menu li a{display:inline-block;height:48px;padding: 0 10px;color: #fff;opacity: .7;}
.header-menu li a:hover{opacity: 1;}
.header-menu li.active a{color: #fff;opacity: 1;border-bottom: 2px solid #fff;}*/

.user-info {
	width: 100px;
	line-height: 22px;
	font-size: 14px;
	color: #fff;
	box-sizing: border-box;
}

.user-info .admin-img {
	float: left;
	margin-right: 10px;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	overflow: hidden;
}

.user-info .admin-img a img {
	width: 100%;
	height: 100%;
}

.user-info .user-list {
	padding: 8px 0;
}

/*--------- banner ---------*/
.swiper-container {
	width: 100%;
	height: 430px;
	overflow: hidden;
}

.swiper-container .slide1 {
	background: url(../images/cms/index/banner.png)no-repeat center;
	background-size: 100% 100%;
}

.swiper-container .slide1 .slide-content {
	height: 100%;
	background: url(../images/cms/index/slide1.png)no-repeat center;
}

.swiper-container .slide2 {
	background: url(../images/cms/index/banner.png)no-repeat center;
	background-size: 100% 100%;
}

.swiper-container .slide3 {
	background: url(../images/cms/index/banner.png)no-repeat center;
	background-size: 100% 100%;
}

.swiper-container .slide-info {
	position: relative;
	float: right;
	padding-right: 25px;
	padding-top: 55px;
	width: 100%;
	height: 430px;
	line-height: 24px;
	font-size: 14px;
	text-align: right;
	color: #fff;
	box-sizing: border-box;
}

.swiper-container .slide-info p {
	position: absolute;
	right: 25px;
	bottom: 55px;
}

.page-main {
	position: relative;
	height: 430px;
}

.swiper-pagination-custom {
	top: 50px;
	left: 30px;
	width: auto;
	line-height: 40px;
	font-size: 20px;
	color: #fff;
}

.swiper-pagination-custom p {
	position: relative;
	padding-right: 36px;
	cursor: pointer;
}

.swiper-pagination-custom p.swiper-pagination-customs-active:after {
	position: absolute;
	top: 20px;
	right: 0;
	content: '';
	display: inline-block;
	width: 30px;
	height: 2px;
	background: #fff;
}

/*---------招生信息 北理风采 ----------*/
.info-box {
	padding: 0 15px;
	float: left;
	width: 600px;
	height: 420px;
	box-sizing: border-box;
}

.item-left {
	background: #f6f6f6 url(../images/cms/index/bit-admission.png) no-repeat right 0 bottom -20px;
}

.info-top {
	padding: 50px 10px 60px;
}

.info-top .info-title {
	margin-right: 15px;
	line-height: 36px;
	font-weight: bold;
	font-size: 33px;
	color: #52555b;
}

.info-top .info-desc {
	height: 36px;
	line-height: 18px;
	font-weight: bold;
	font-size: 15px;
	color: #695f5f;
}

.info-top .read-more {
	padding-right: 32px;
	height: 36px;
	line-height: 18px;
	font-size: 15px;
	color: #695f5f;
	background: url(../images/cms/index/more1.png) no-repeat right 10px top 22px;
}

.info-item {
	margin-bottom: 26px;
	float: left;
	padding: 0 10px;
	width: 50%;
	line-height: 18px;
	box-sizing: border-box;
}

.info-item .info-date {
	width: 55px;
	text-align: center;
	font-weight: bold;
	font-size: 13px;
	color: #61646a;
}

.info-item .info-date .info-day {
	font-size: 18px;
	color: #b4324a;
}

.info-item .info-name {
	height: 37px;
	width: 202px;
	float: right;
}

.info-item .info-name a {
	font-size: 14px;
	color: #101010;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
}

.info-item .info-name a:hover {
	color: #a71d2a;
}

.item-right {
	background: #e1e1e1 url(../images/cms/index/bit-news.png) no-repeat right bottom 20px;
}

.info-menu .menu-item {
	float: left;
	width: 400px;
	height: 110px;
	line-height: 110px;
	cursor: pointer;
	background: #efefef;
	transition: all .15s cubic-bezier(.4, 0, .2, 1);
}

.info-menu .menu-item:hover {
	background: #e6e6e6;
}

.info-menu .menu-item a {
	display: inline-block;
	width: 100%;
	padding-left: 155px;
	font-size: 24px;
	color: #656565;
	box-sizing: border-box;
}

.info-menu .menu-item1 a {
	background: url(../images/cms/index/icon-img1.png)no-repeat left 85px center;
}

.info-menu .menu-item2 a {
	background: url(../images/cms/index/icon-img2.png)no-repeat left 85px center;
}

.info-menu .menu-item3 a {
	background: url(../images/cms/index/icon-img3.png)no-repeat left 85px center;
}

/*--------- 北理讲堂 ----------*/
.main-teaching {
	height: 814px;
	background: #a71d2a;
	/* overflow: hidden; */
}

.teaching-title {
	position: relative;
	padding-left: 30px;
	padding-top: 60px;
	color: #fff;
	font-weight: bold;
	box-sizing: border-box;
}

.teaching-title .teaching-name {
	margin-bottom: 10px;
	line-height: 45px;
	font-size: 33px;
	text-align: center;
}

.teaching-title p {
	color: #e4aaaf;
	font-size: 15px;
	opacity: .6;
	text-align: center;
}

.teaching-title .read-more {
	position: absolute;
	padding-right: 22px;
	line-height: 15px;
	font-size: 13px;
	color: #e4aaaf;
	background: url(../images/cms/index/more2.png) no-repeat right;
	top: 80px;
	right: 0;
}

.div1 {
	width: 1200px;
	    margin: 44px auto 0;
}

.div1 .div1_left {
	float: left;
	width: 590px;
}

.div1 .div1_left .teaching-item {
	width: 100%;
}
.div1 .div1_left .teaching-item:hover .info-shadow .p1{
	color: #A81D2A;
}
.div1 .div1_left .teaching-item img {
	width: 100%;
	height: 389px;
	object-fit: cover;
	display: block;
}

.div1 .div1_left .teaching-item .info-shadow {
	width: 590px;
	height: 171px;
	background: #FFFFFF;
	/* border-radius: 0px 0px 4px 4px; */
	padding: 0 28px;
	box-sizing: border-box;
}

.div1 .div1_left .teaching-item .info-shadow .p1 {
	font-size: 18px;
	font-weight: 400;
	color: #252525;
	margin-top: 23px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.div1 .div1_left .teaching-item .info-shadow .p2 {
	font-size: 14px;
	font-weight: 400;
	color: #959595;
	margin-top: 15px;
}

.div1 .div1_left .teaching-item .info-shadow .p3 {
	font-size: 16px;
	font-weight: 400;
	color: #959595;
	line-height: 24px;
	margin-top: 17px;
	display: -webkit-box;
	overflow: hidden;
	text-overflow: ellipsis;
	word-wrap: break-word;
	white-space: normal !important;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;

}

.div1 .teaching-items {
	float: left;
	width: 590px;
	margin-left: 20px;
}
.div1 .teaching-items .teaching-item{
	width: 285px;
	height: 270px;
	float: left;
	margin-bottom: 20px;
	margin-right: 20px;
}
.div1 .teaching-items .teaching-item2,.div1 .teaching-items .teaching-item4{
	margin-right: 0!important;
}
.div1 .teaching-items .teaching-item>a>img{
	width: 100%;
	height: 160px;
	object-fit: cover;
	display: block;
}
.div1 .teaching-items .teaching-item .info-shadow{
	width: 100%;
	height: 110px;
	padding: 0 18px;
	box-sizing: border-box;
	background: #fff;
	transition: all .15s cubic-bezier(.4, 0, .2, 1);
}
.div1 .teaching-items .teaching-item .info-shadow .p1{
	font-size: 16px;
	font-weight: 400;
	color: #252525;
	margin-top: 19px;
	display: -webkit-box;
	overflow: hidden;
	text-overflow: ellipsis;
	word-wrap: break-word;
	white-space: normal !important;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	height: 43px;
}
.div1 .teaching-items .teaching-item .info-shadow .p2{
	font-size: 14px;
	font-weight: 400;
	color: #959595;
	margin-top: 14px;
}
.div1 .teaching-items .teaching-item .info-shadow:hover .p1{
	color: #A81D2A;
}
.clearfix .left,.clearfix .right{
	float: left;
	width: 590px;
	margin-top: 44px;
}
.clearfix .left .top{
	width: 590px;
	height: 277px;
	background: #CCCCCC;
	border-radius: 3px;
	position: relative;
	overflow: hidden;
}
.clearfix .left .top img{
	width: 100%;
	height: 100%;
	display: block;
	object-fit: cover;
}
.clearfix .left .top .teaching-item{
	width: 100%;
	height: 100%;
}
.clearfix .left .top .info-shadow{
	position: absolute;
	bottom: -63px;
	left: 0;
	width: 590px;
	height: 63px;
	background: #A81D2A;
	opacity: 0.9;
	/* border-radius: 0px 0px 4px 4px; */
	line-height: 63px;
	padding: 0 20px;
	box-sizing: border-box;
	transition: all .15s cubic-bezier(.4, 0, .2, 1);
}
.clearfix .left .top:hover .info-shadow{
	bottom: 0;
}
.clearfix .left .top .info-shadow .p1{
	float: left;
	width: 450px;
	overflow: hidden;
	text-overflow:ellipsis;
	white-space: nowrap;
	font-size: 16px;
	font-weight: 400;
	color: #FFFFFF;
	line-height:63px;
}
.clearfix .left .top .info-shadow .p2{
	float: right;
	font-size: 14px;
	font-weight: 400;
	color: #FFFFFF;
	line-height: 63px;
	opacity: 0.5;
}
.clearfix .left .bottom{
	width: 590px;
	height: 277px;
	margin-top: 20px;
}
.clearfix .left .bottom .teaching-item{
	float: left;
	width: 285px;
	height: 277px;
	
}
.clearfix .left .bottom .teaching-item .info-shadow:hover .p1{
	color: #A81D2A;
}
.clearfix .left .bottom .teaching-item img,.clearfix .right .teaching-item img{
	width: 100%;
	height: 164px;
	display: block;
	object-fit: cover;
}
.clearfix .left .bottom .teaching-item .info-shadow,.clearfix .right .teaching-item .info-shadow{
	width: 285px;
	height: 113px;
	background: #F5F5F5;
	/* border-radius: 0px 0px 4px 4px; */
	padding: 0 20px;
	box-sizing: border-box;
}
.clearfix .left .bottom .teaching-item .info-shadow .p1,.clearfix .right .teaching-item .info-shadow .p1{
	font-size: 16px;
	font-weight: 400;
	color: #252525;
	display: -webkit-box;
	overflow: hidden;
	text-overflow: ellipsis;
	word-wrap: break-word;
	white-space: normal !important;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	height: 43px;
	margin-top: 20px;
}
.clearfix .left .bottom .teaching-item .info-shadow .p2,.clearfix .right .teaching-item .info-shadow .p2{
	font-size: 14px;
	font-weight: 400;
	color: #959595;
	margin-top: 14px;
}
.clearfix .right{
	margin-left: 20px;
}
.clearfix .right .le{
	width: 285px;
	height: 100%;
	float: left;
}
.clearfix .right .teaching-item{
	width: 100%;
	height: 277px;
	
}
.clearfix .right .ri{
	float: right;
}
.clearfix .right .ri .teaching-item{
	width: 285px;
	height: 100%;
}
.clearfix .right .ri .teaching-item img{
	width: 100%;
	height: 440px;
}
.clearfix .right .ri .teaching-item .info-shadow{
	height: 133px;
	width: 100%;
}
.clearfix .teaching-item .info-shadow:hover .p1{
	color: #A81D2A;
}
.teaching-gray .teaching-items {
	padding: 44px 0;
	width: 1200px;
}

.teaching-gray .teaching-items .teaching-item {
	position: relative;
	float: left;
	width: 386px;
	height: 224px;
	overflow: hidden;
	margin-right: 20px;
	margin-bottom: 20px;
}
.teaching-gray .teaching-items .teaching-item2,.teaching-gray .teaching-items .teaching-item5{
	margin-right: 0;
}
.teaching-gray .teaching-items .teaching-item .info-shadow {
	position: absolute;
	bottom: -46px;
	left: 0;
	width: 100%;
	height: 46px;
	line-height: 46px;
	font-size: 12px;
	text-align: center;
	color: #fff;
	background: #A81D2A;
	opacity: 0.9;
	transition: all .15s cubic-bezier(.4, 0, .2, 1);
}

.teaching-gray .teaching-items .teaching-item video {
	width: 100%;
	height: 100%;
	object-fit: fill;
}

.teaching-gray .teaching-items .teaching-item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.teaching-gray .teaching-items .teaching-item:hover .info-shadow {
	bottom: 0;
}
.bg1{
	height: 814px;
	background: url(../index/bg1.png) no-repeat;
	/* width: 1920px; */
	    background-size: 100% 100%;
	    margin: 0 auto;
}
.bg2{
	height: 810px;
	background: url(../index/bg2.png) no-repeat;
	/* width: 1920px; */
	    background-size: 100% 100%;
	    margin: 0 auto;
}
.bg3{
	height: 714px;
	background: url(../index/bg3.png) no-repeat;
	/* width: 1920px; */
	    background-size: 100% 100%;
	    margin: 0 auto;
}
/* .main-teaching .bit-teaching {
	background: url(../images/cms/index/teaching-bg.png) no-repeat left bottom 90px;
} */

/* .main-teaching .bit-online {
	padding-left: 30px;
	background: url(../images/cms/index/online-bg.png) no-repeat right -180px bottom 100px;
} */

/* .main-teaching .bit-waiting {
	background: url(../images/cms/index/waiting-bg.png) no-repeat left 170px;
} */

/* .main-teaching.teaching-white {
	background: #fff;
}

.main-teaching.teaching-gray {
	background: #e1e1e1;
} */

.teaching-white .teaching-title,
.teaching-white .teaching-title p,
.teaching-white .teaching-title .read-more,
.teaching-gray .teaching-title,
.teaching-gray .teaching-title p,
.teaching-gray .teaching-title .read-more {
	color: #52555b;
	opacity: 1;
}

.teaching-white .teaching-title .read-more,
.teaching-gray .teaching-title .read-more {
	background: url(../images/cms/index/more3.png) no-repeat right;
}

.main-footer {
	height: 250px;
	background: #a71d2a;
}

.main-footer .footer-list {
	height: 210px;
	background: #a71d2a;
}

.main-footer .footer-bottom {
	padding-left: 26px;
	height: 40px;
	line-height: 40px;
	font-size: 12px;
	color: #fff;
	background: #ab1926;
	box-sizing: border-box;
}

.teaching-items .waiting-item {
	float: left;
	width: 320px;
	height: 410px;
	overflow: hidden;
}

.teaching-items .waiting-img,
.teaching-items .waiting-img img {
	width: 100%;
	height: 340px;
	overflow: hidden;
}

.teaching-items .waiting-info {
	padding: 15px;
	width: 100%;
	height: 70px;
	line-height: 20px;
	font-size: 14px;
	color: #61646a;
	background: #fff;
	box-sizing: border-box;
}

.waiting-info .waiting-name {
	font-weight: bold;
}

/*----------- footer -------------*/
/* .footer-list{padding: 0 25px;box-sizing: border-box;}
.footer-item {
	float: left;
	padding-top: 10px;
	height: 100%;
	box-sizing: border-box;
}

.footer-address {
	width: 180px;
}

.footer-phone {
	width: 260px;
}

.footer-fax {
	width: 170px;
}

.footer-wechat {
	width: 200px;
}

.footer-title {
	margin-top: 20px;
	margin-bottom: 10px;
	line-height: 30px;
	font-size: 14px;
	font-weight: bold;
	color: #fff;
}

.footer-info,
.footer-info a {
	line-height: 24px;
	font-size: 12px;
	color: #fff;
}

.footer-info a {
	padding-right: 18px;
	background: url(../images/cms/index/link.png)no-repeat right center;
}

.footer-info a:hover {
	opacity: .8;
}

.phone-list .footer-info {
	float: left;
	margin-right: 45px;
}

.footer-item .wechat-img {
	width: 92px;
	height: 92px;
}

.footer-item .wechat-img img {
	width: 100%;
}

.read-more:hover,
.teaching-gray .teaching-title .read-more:hover,
.teaching-white .teaching-title .read-more:hover {
	opacity: .8;
}