*{
    box-sizing: border-box;
}
body {
    font-family: 'MicroSoft YaHei';
    background:url("../img/body.jpg") no-repeat top center;
}
.experimental-name span{
	    display: block;
    line-height: 130px;
    color: #fff;
    font-size: 30px;
    font-weight: bold;
    padding-left: 115px;
}

.contentA{
    padding-bottom:24px;
    height:382px;
}

.contentB{
    width:1000px;
    margin:0 auto;
    padding: 15px 0;
}

.header {
    min-width:1000px;
    /*height: 210px;*/
    /*background: url("../img/bg-header.jpg") center no-repeat;*/
    /*background-size: 100% 210px;*/
}

.experimental-name{
    width:1000px;
    height:130px;
    background:url(../img/logo.png) no-repeat left center;
    margin:0 auto;
}

.nav{
    min-width:1000px;
    height:60px;
}

.navBar {
    width:1000px;
    margin:0 auto;
    line-height:60px;
}

.navBar li {
    display: block;
    float: left;
    margin: 0 5px;
    position: relative;
}

.navBar li:first-child{
    margin-left:0;
}

.navBar li a {
    display: block;
    padding: 0 5px;
    font-size: 16px;
    color: #fff;
    text-decoration: none;
}

.box2{
    display: none;
}



.column-content{
    width:1000px;
    margin:15px auto;
}

.column {
    text-align:center;
    padding-top:40px;
}

.column-name {
    position:relative;
    padding:0 140px;
    font-size:28px;
    display:inline-block;
}

.column-name span {
    display: block;
    width: 110px;
    height: 2px;
    background: url(../img/span.png) no-repeat right center;
    position: absolute;
    top: 16px;
}

.line-left {
    left: 0px
}

.line-right {
    right: 0px;
    background-position-x: left!important;
}


.vedio-player {
    width:450px;
    height:290px;
    float:left;
    margin-top:20px;
}

.exp-title {
    font-size:22px;
    margin-bottom:15px;
    color:#fff;
}
.exp-detail {
    width:515px;
    float: right;
}

.detail-info {
    font-size:16px;
    color: #fff;
    line-height:30px;
}

.lang-text {
    margin-top:8px;
}
.detail-info b{
    color: #fff
}
.lang-text b {
    display: block;
    float: left;
}

.lang-text div {
    float: left;
    height: 94px;
    overflow: hidden;
}

.detail-info span {
    display: inline-block;
    width: 180px;
}

.start-exp{
    border-top: 1px solid #fff;
}
.start-exp a {
    width:130px;
    height:45px;
    display: block;
    float: left;
    background: #275c88;
    color: #fff;
    line-height:45px;
    text-align:center;
    margin-top:12px;
    text-decoration:none;
}
.start-exp a:hover{
    background:#ff9a00;
}

.contentB ul li{
    width:220px;
    height:130px;
    float:left;
    margin:10px 18px;
    border:1px solid #666;
}

.contentB ul li.img-1,.contentB ul li.img-5{margin-left: 0;}
.contentB ul li.img-4,.contentB ul li.img-8{margin-right: 0;}
.contentB ul li span{
    display: block;
    height: 85px;
    width: 100%;
}
.contentB ul li a{
    font-size:18px;
    font-family:"Microsoft Yahei";
    color:#333;
    display:block;
    text-align:center;
    text-decoration:none;
}

.contentB ul li.img-1 span{background: url("../img/img-1.png") no-repeat center;}
.contentB ul li.img-2 span{background: url("../img/img-2.png") no-repeat center;}
.contentB ul li.img-3 span{background: url("../img/img-3.png") no-repeat center;}
.contentB ul li.img-4 span{background: url("../img/img-4.png") no-repeat center;}
.contentB ul li.img-5 span{background: url("../img/img-5.png") no-repeat center;}
.contentB ul li.img-6 span{background: url("../img/img-6.png") no-repeat center;}
.contentB ul li.img-7 span{background: url("../img/img-7.png") no-repeat center;}
.contentB ul li.img-8 span{background: url("../img/img-8.png") no-repeat center;}


.contentB ul li.img-1:hover span{background: url("../img/img-1h.png") no-repeat center;}
.contentB ul li.img-2:hover span{background: url("../img/img-2h.png") no-repeat center;}
.contentB ul li.img-3:hover span{background: url("../img/img-3h.png") no-repeat center;}
.contentB ul li.img-4:hover span{background: url("../img/img-4h.png") no-repeat center;}
.contentB ul li.img-5:hover span{background: url("../img/img-5h.png") no-repeat center;}
.contentB ul li.img-6:hover span{background: url("../img/img-6h.png") no-repeat center;}
.contentB ul li.img-7:hover span{background: url("../img/img-7h.png") no-repeat center;}
.contentB ul li.img-8:hover span{background: url("../img/img-8h.png") no-repeat center;}


.contentB ul li:hover{
    background:#275c88;
}

.contentB ul li:hover a{
    color: #fff;
}

.tit{
    width: 117px;
    height: 43px;
    line-height: 43px;
    font-size: 20px;
    color:#333333;
    font-weight: 400;
    padding-left: 13px;
    background: url(../img/tit-bg.png) no-repeat left center;
    margin-bottom: 15px;
}
.contentC {
    padding: 30px 0;
}
.contentC ul li{
    border-bottom:  1px dashed #ddd;
    height: 60px;
    padding-top: 8px;
}

.contentC ul li .date{
    display: inline-block;
    vertical-align: middle;
    width: 102px;
    position: relative;
    margin-right: 15px;
}
.contentC ul li .date .day{
    font-size: 36px;
    color:#666666;
    float: left;
    padding-right: 10px;
}
.contentC ul li .date .Dabox{
    float: left;
}
.contentC ul li .date .mouth,
.contentC ul li .date .year{
    font-size: 16px;
    color:#999999;
}
.contentC ul li  .mouth{
    padding-bottom: 3px;
}
.contentC ul li .center{
    display: inline-block;
    vertical-align: middle;
    width: 785px;
}
.contentC ul li .more{
    display: inline-block;
    vertical-align: middle;
    width: 70px;
    height: 26px;
    background: #275c88;
    text-align: center;
    line-height: 26px;
    color:#fff;
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
}
.contentC ul li .date::after{
    content: '';
    position: absolute;
    width: 1px;
    height: 20px;
    background: #275c88;
    right: -3px;
    top: 11px;
}
.contentC ul li:hover .date p,
.contentC ul li:hover .center{
    color:#ff9a00;
}
.contentC ul li:hover .more,
.contentC ul li:hover .date::after{
    background: #ff9a00;
}

.contentD{
    padding: 30px 0;
    background: #f2f9fe;
}
.contentD ul li{
    float: left;
    background: #fff;
    width: 236px !important;
    height: 330px;
    margin-right: 22px;
    padding: 32px 17px;
}
.contentD ul li img{
    display: block;
    width: 202px;
    height: 120px;
    margin-bottom: 30px;
}
.contentD ul li h1{
    font-size: 16px;
    color:#333333;
    text-align: center;
    margin-bottom: 22px;

    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.contentD ul li .line{
    width: 20px;
    height: 2px;
    background: #275c88;
    margin:  0 auto;
    margin-bottom: 20px;
}
.contentD ul li p{
    line-height: 1.5;
    font-size: 14px;
    color:#666666;

    height: 63px;
    overflow: hidden;
}
.contentE {
    padding: 30px 0;
}
.contentE .tit{
    width: 201px;
}

.amount{
    width: 268px;
}
.amount p a {
    height: 24px;
    line-height: 28px;
    font-size: 13px;
    color: #666;
}
.amount p a span {
    float: left;
    width: 33px;
    height: 20px;
    background: #275c88;
    margin-top: 5px;
    margin-right: 5px;
}
.amount .all,
.amount .all1{
    position: relative;
}
.amount .all p,
.amount .all1 p{
    width: 260px;
    height: 118px;
    text-align: center;
    background: url(../img/all1.png) no-repeat 15px center #f2f9fe;
    margin-top: 30px;
    font-size: 48px;
    color:#275c88;
    padding-top: 48px;
    padding-left: 75px;
}
.amount .all1 p{
    background: url(../img/all2.png) no-repeat 15px center #f2f9fe;
    color:#ff9a00;
}
.amount .all1 span,
.amount .all span{
    position: absolute;
    top: 7px;
    right: 18px;
}
.contentF {
    padding: 20px 0;
}
.contentF .tit{
    width: 161px;
}
.contentF ul li a{
    float: left;
    width: 140px;
    height: 180px;
    background: url(../img/net-bg.png) no-repeat 0 0;
    margin-right: 32px;
    padding: 0 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-bottom: 75px;
    text-align: center;
}
.contentF ul li:last-child a{
    margin-right: 0;
}
.contentF ul li.list-item2 a{background: url(../img/net-bg.png) no-repeat -170px 0}
.contentF ul li.list-item3 a{background: url(../img/net-bg.png) no-repeat -340px 0}
.contentF ul li.list-item4 a{background: url(../img/net-bg.png) no-repeat -520px 0}
.contentF ul li.list-item5 a{background: url(../img/net-bg.png) no-repeat -690px 0}
.contentF ul li.list-item6 a{background: url(../img/net-bg.png) no-repeat -860px 0}
.contentF ul li:hover a{
    background-position-y: -253px;
}
.contentG{
    padding: 30px 0;
    background: #f2f9fe;
}
.contentG .tit{
    width: 210px;
}
.contentG ul li{
    float: left;
    width: 236px;
    height: 340px;
    margin-right: 20px;
}
.contentG ul li img{
    display: block;
    width: 236px;
    height: 270px;
    object-fit: fill;
    margin-bottom: 20px;
}
.contentG ul li h2{
    font-size: 16px;
    font-weight: normal;
    color:#333333;
    margin-bottom: 12px;
}
.contentG ul li p{
    font-size: 14px;
    color:#666;
}
.contentH{
    padding: 15px 0;
    background: #f2f9fe;
}
.contentH ul li{
    float: left;
    width: 310px;
    height: 110px;
    font-size: 18px;
    color:#333333;
    padding-top: 46px;
    padding-left: 113px;
    margin-right: 35px;
}
.contentH ul li:last-child{
    margin-right: 0;
}
.contentH ul li.list-item1{background: url(../img/js-bg.png) no-repeat 0 0;}
.contentH ul li.list-item2{background: url(../img/js-bg.png) no-repeat -345px 0;}
.contentH ul li.list-item3{background: url(../img/js-bg.png) no-repeat -690px 0;}

.footer{
    height: 124px;
    background: #113b5e;
    padding: 38px 0;
}
.footer .line{
    margin-bottom: 15px;
}
.footer p,
.footer p a{
    font-size: 12px;
    color:#fff;
}



.contentCatetory{
	width: 1000px;
	position:relative;
	margin: 36px auto 66px;
}
.contentCatetory h2{
	height: 48px;
	line-height: 48px;
	font-size: 20px;
	border-bottom: 2px solid #d7d7d5;
	position: relative;
	margin-bottom: 20px;
}
.contentCatetory h2 span{
	position: absolute;
	left: 0;
	top: 0px;
	border-bottom: 2px solid #1DB9EC;
	color: #323335;
	font-weight: normal;
}
.contentCatetory .details{
	padding: 35px 30px 80px;
	background: #fff;
	box-shadow: 0 0 10px #ddd;
	min-height: 400px;
}
.contentCatetory .details h1{
	line-height: 40px;
	font-size:22px;
	margin:0;
	text-align:center;
}
.left-content {
	width:700px;
	float:left;
}

.left-content table{
	margin:0 auto;
}

.right-side{
	width:200px;
	margin-left:30px;
	float:left;
}
.contentCatetory .details h1{
	font-size: 22px;
	color: #333333;
	margin: 15px 0;
}
.contentCatetory .details p{
	line-height: 28px;
	color: #666;
	font-size:16px;
	text-indent: 2em;
	margin-bottom: 10px;
}
.contentCatetory .details h2{
	line-height:20px
}

.aside {
	position:absolute;
	left:-100px;
	top: 70px;
	width:80px;
	border-radius:4px;
	overflow: hidden;
	box-shadow: 0 0 5px #ddd;
}

.aside li{
	font-size:14px;
	line-height: 20px;
	border-bottom:3px solid #228575;
	text-align:center;
	background:#1DB9EC;
}

.aside li a{
	display:block;
	width: inherit;
	height: inherit;
	color:#fff;
	padding:10px;
}
.aside li a:hover {
	color:#fff;
	background:#3895b3;
}
.aside li a.active{
	color:#fff;
	background:#3895b3;
}

.contentCatetory .imgList{
	margin-top: 30px;
}
.contentCatetory .imgList li{
	width: 210px;
	box-shadow: 0 0 5px #ccc;
    margin-right:35px;
    background: #fff;
	margin-bottom: 30px;
}
.contentCatetory .imgList li img{
	width: 210px;
	
	margin-bottom: 10px;
}
.contentCatetory .imgList li p{
	height: 24px;
	line-height: 24px;
	font-size: 12px;
	color: #999;
	margin-left: 10px;
	padding-right: 10px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.teacher-detail p{
	width:190px;
	float:left;
}
.contentCatetory .imgList li .first{
	font-size: 12px;
	color: #999;
}
.contentCatetory .imgList li .first b{
	font-size: 18px;
	color: #333;
}

.teacher-detail a{
	color: #999;
	font-size: 12px;
	padding: 0 4px;

	border: 1px solid #1DB9EC;
	color: #1DB9EC;
	border-radius: 9px;
	height: 17px;
	line-height: 17px;
	margin: 5px;
}

.picScroll-left{
    position: relative;
}

.picScroll-left .prev,.picScroll-left .next{width:37px;height:67px;position:absolute;top:185px;left:-45px;z-index:100; cursor:pointer; background:url(../img/btns.png) no-repeat;}
.picScroll-left .next{ left:auto;right:-70px; background-position:0 -134px;}
.picScroll-left .prev:hover{ background-position:0 -67px; }
.picScroll-left .next:hover{ background-position:0 -201px; }

.side-catalog {
	width: 200px;
	height: 390px;
	position: fixed;
	top:350px;
	font-size: 14px;
	font-family: "simsun";
	line-height: 19px;
}

.side-catalog .side-bar {
	position:absolute;
	top:0;
	width:0;
	min-height:50px;
	background-color:#eaeaea;
	border:1px solid #eaeaea;
	border-top:0;
	border-bottom:0;
	left:5px
}
.side-catalog .side-bar .circle.start, .side-catalog .side-bar .circle.end {
	position:absolute;
	left:-5px;
	width:10px;
	height:10px;
	background:transparent url(https://bkssl.bdimg.com/static/wiki-lemma/widget/lemma_content/mainContent/sideCatalog/img/sideCatalog_a278e02.gif) 0 -199px no-repeat;
	zoom:1;
	overflow:hidden
}
.side-catalog .side-bar .circle.start {
	top:0
}
.side-catalog .side-bar .circle.end {
	margin:0;
	bottom:0
}
.side-catalog .catalog-scroller {
	padding-top:15px;
	position:absolute;
	z-index:1;
	top:0;
	left:0;
	width:210px;
	overflow:hidden
}
.side-catalog .catalog-scroller .catalog-list {
	width:228px;
	height:auto;
	position:relative
}
.side-catalog .catalog-scroller .catalog-list .arrow {
	left:0;
	z-index:2;
	top:3px;
	position:absolute;
	height:13px;
	width:18px;
	cursor:pointer;
	background:transparent url(https://bkssl.bdimg.com/static/wiki-lemma/widget/lemma_content/mainContent/sideCatalog/img/sideCatalog_a278e02.gif) -271px -38px no-repeat
}
.side-catalog .catalog-scroller .catalog-list .catalog-title {
	position:relative;
	margin-bottom:7px;
	padding-left:20px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title .text {
	line-height:19px;
	display:block
}
.side-catalog .catalog-scroller .catalog-list .catalog-title .pointer {
	position:absolute;
	display:block;
	width:10px;
	height:10px;
	cursor:pointer;
	margin-top:4px;
	left:0;
	background:transparent url(https://bkssl.bdimg.com/static/wiki-lemma/widget/lemma_content/mainContent/sideCatalog/img/sideCatalog_a278e02.gif) 3px -222px no-repeat
}
.side-catalog .catalog-scroller .catalog-list .catalog-title .pointer:hover {
	background-position:3px -245px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title:hover .text {
	background:#f5f5f5;
	border-radius:2px;
	box-shadow:0 1px 0 #eaeaea
}
.side-catalog .catalog-scroller .catalog-list .catalog-title:hover .pointer {
	background-position:3px -245px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level1 .text {
	padding-left:10px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level1 .title-index {
	color:#999;
	font-weight:700;
	font-family:Arial;
	font-size:14px;
	padding-right:5px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level1 .title-link {
	color:#555;
	font-weight:700;
	text-decoration:none
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level2 .text {
	padding-left:22px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level2 .title-index {
	color:#999;
	font-family:Arail;
	font-size:14px;
	padding-right:5px
}
.side-catalog .catalog-scroller .catalog-list .catalog-title.level2 .title-link {
	color:#666;
	text-decoration:none
}
.side-catalog.collapse {
	height:96px;
	overflow:hidden
}
.side-catalog.collapse .toggle-button {
	background-position:-104px 0
}
.side-catalog.collapse .toggle-button:hover {
	background-position:-154px 0
}
.side-catalog.collapse .side-bar {
	display:none
}
.side-catalog.collapse .catalog-scroller {
	display:none
}

.side-catalog .bottom-wrap {
	position:absolute;
	height:45px
}
.side-catalog .bottom-wrap .toggle-button, .side-catalog .bottom-wrap .gotop-button {
	display:block;
	width:45px;
	height:45px;
	cursor:pointer
}
.side-catalog .bottom-wrap .toggle-button {
	background:transparent url(https://bkssl.bdimg.com/static/wiki-lemma/widget/lemma_content/mainContent/sideCatalog/img/sideCatalog_a278e02.gif) no-repeat 0 0
}
.side-catalog .bottom-wrap .toggle-button:hover {
	background-position:-53px 0
}
.side-catalog .bottom-wrap .gotop-button {
	margin-top:6px;
	background:transparent url(https://bkssl.bdimg.com/static/wiki-lemma/widget/lemma_content/mainContent/sideCatalog/img/sideCatalog_a278e02.gif) no-repeat -1px -62px
}
.side-catalog .bottom-wrap .gotop-button:hover {
	background-position:-74px -62px
}






.line-up {
	display:none;
	width:275px;
	height:250px;
	padding-top:120px;
	background:url(../img/lineUp.png) center no-repeat;
}

.line-up p{
	color:#fff;
	text-align:center;
}
.line-num {
	height:130px;
	padding:0 20px;
}
.attempt {
	display:block;
	color: #6E7393 !important;
	text-align:center;
	margin-top:15px;
	font-size:14px;
}

.attempt:hover{
	color:#1DB9EC !important;
	text-decoration: underline;
}
.waiting {
	display:block;
	width:160px;
	height:40px;
	background:#1DB9EC;
	line-height:40px;
	text-align:center;
	margin:0 auto;
	color:#fff !important;
	font-weight:700;
	border-radius:5px;
}

.link-error {
	display:none;
	width:275px;
	height:250px;
	padding-top:120px;
	background:url(../img/net-error.png) center no-repeat;
}

.link-error p{
	height:170px;
	padding:0 20px;
	color:#fff;
	text-align:center;
	line-height:25px;
}


.articleLi {margin-top:5px;min-height:450px;}
.articleLi ul {margin: 10px; min-height:400px;}
.articleLi ul li {height:35px;background: url(../img/b1.png) left center no-repeat;padding-left:15px;}
.articleLi ul li a {height:35px; line-height: 35px; font-size:14px;color:#666;text-decoration: none;cursor: pointer;}
.articleLi ul li a h3 {font-size: 14px;font-weight: normal;}
.articleLi ul li a:hover {color:#ff9333;}
.page {text-align: center;margin-top: 20px;margin-bottom: 20px;font-size:14px;color: #666666;}
.page a {border: 1px solid #ccc;color: #727272;padding:5px;background: #f1f1f1;cursor: pointer;}
.page a:hover {color: #8c0e0f;text-decoration: none;}