a{
	color: #ffffff;
}
/*头部*/

.header {
	width: 1000px;
	margin: 0 auto;
}


/*广告*/

.guanggao {
	width: 1000px;
	margin: 0 auto;
}

.hang1 {
	width: 1000px;
	height: 95px;
	margin: 0 auto;
	margin-top: 15px;
}


/*LOGO*/

.logo {
	float: left;
	line-height: 90px;
}

.logo img {
	margin-left: 20px;
	vertical-align: middle;
}

.aa {
	float: left;
}


.sreach {
	width: 260px;
	height: 100%;
	float: right;
	text-align: center;
}
.sreach ul {
	margin-top: 8px;
}
.sreach ul li {
	display: inline;
	color: #b2b2b2;
	font-size: 12px;
	margin-right: 4px;
}
.sreach ul li a {
	color: #b2b2b2;
}
.sreach ul li a i {
	color: #b2b2b2;
	font-size: 12px;
	padding-left: 5px;
}
.sreach ul li a span{
	padding-left: 1px;
}
.sreach_inp{
	margin-top: 20px;
}
.inp_input{
	width:231px;
	height: 30px;
	border: 2px solid #b2b2b2;
	border-radius: 25px;
	margin-left: 18px;
	z-index: 1000;
}
.ipt{
	width: 180px;
	height: 24px;
	float: left;
	color: #666;
	border-style:none;
	outline:none;       
	outline:medium;
	margin-left:2px;
	margin-top: 1px;
	border-radius: 25px 0px 0px 25px;
	padding-left: 10px;
}
.submit{
	float: left;
	width: 35px;
	height: 28px;
	margin-top: 1px;
	border-radius: 0px 25px 25px 0px;
	color: #b2b2b2;
	background-color: #ffffff;
	border: none;
	outline:none;
	outline:medium;
	cursor: pointer;
	
}
/*导航*/
.nav {
	width: 100%;
	height: 60px;
	/*background-image: url(../img/nav1.png);
	background-size: 100% 60px;
	background-repeat: no-repeat;*/
	margin-top: 15px;
}



/*轮播图*/

#flash {
	width: 100%;
	height: 300px;
	position: relative;
	margin-top: 15px;
}

#flash #play {
	width: 100%;
	height: 300px;
	list-style: none;
	position: absolute;
	top: 0px;
	left: 0px;
}

#flash #play li {
	width: 100%;
	display: none;
	position: absolute;
	top: 0px;
	left: 0px;
}

#flash #play li img {
	width: 100%;
	height: 260px;
	float: left;
}

#button {
	position: absolute;
	bottom: 20px;
	left: 50%;
	margin-left: -50px;
	list-style: none;
}

#button li {
	margin-left: 10px;
	float: left;
}

#button li div {
	width: 12px;
	height: 12px;
	background: #DDDDDD;
	border-radius: 6px;
	cursor: pointer;
}

#prev {
	width: 40px;
	height: 63px;
	background: url(../img/beijing.png) 0px 0px;
	position: absolute;
	top: 42%;
	left: 10px;
	z-index: 1000;
}

#next {
	width: 40px;
	height: 63px;
	background: url(../img/beijing.png) -40px 0px;
	position: absolute;
	top: 42%;
	right: 10px;
	z-index: 1000;
}

#prev:hover {
	background: url(../img/beijing.png) 0px -62px;
}

#next:hover {
	background: url(../img/beijing.png) -40px -62px;
}
#lbwi{
	position: absolute;
	top: 20px;
	left: 45%;
	z-index: 1000;
}
#lbwi img{
	width: 500px;
	height: 140px;
}
#ewm{
	position: absolute;
	z-index: 1000;
	bottom: 20px;
	right: 23%;
}

#ewm img{
	width: 80;
	height: 105px;
	padding-left: 10px;
}
/*内容*/

.content1 {
	position: relative;
	width: 1000px;
	height: auto;
	margin: 0 auto;
	margin-top: 15px;
}
/*div标题*/
.divs_title{
	width: 495px;
	height: 30px;
	line-height: 30px;
	background-image: url(../img/title.png);
	background-size: 100% 30px;
	background-repeat: no-repeat;
	color: #ffffff;
	font-weight: bold;
}
.divs_title a{
	padding-left: 5px;
}
.divs_title span{
	font: none;
	font-size:12px ;
	margin-right: 5px;
	float: right;
}
.divs_text{
	width: 100%;
	line-height: 30px;
}
.divs_text ul{
	padding: 10px;
	overflow: hidden;
}
.divs_text ul li{
	overflow: hidden;
	text-overflow:ellipsis;
	white-space: nowrap;
}
.divs_text a{
	color: #000000;
	font-size: 14px;
	cursor: pointer;
}
.divs_text a span{
	color: #999;
}
/**/
.div1 {
	width: 1000px;
	height: 300px;
	margin: 0 auto;
}
.div1_1 {
	position: relative;
	width: 495px;
	height: 300px;
	float: left;
}

#video {
	width: 495px;
	height: 300px;
	position: relative;
}

#video video {
	width: 100%;
	height: 100%;
	object-fit: fill;
}

.VideoBtn {
	position: absolute;
	left: 50%;
	top: 50%;
	display: block;
	width: 70px;
	height: 70px;
	margin-left: -35px;
	margin-top: -35px;
	cursor: pointer;
	z-index: 10;
}


.hstm{
	position: absolute;
	bottom: 40px;
	width: 100%;
	height: 40px;
	line-height: 40px;
	background:rgba(0,0,0,0.6);
	color: #FFFFFF;
	text-align: center;
	z-index: 1000;
}

.div1_2 {
	position: relative;
	width: 495px;
	height: 300px;
	float: right;
}
.kycg{
	position: relative;
	height: 270px;
}
.xnr{
	height: 120px;
	overflow:hidden
	
}
.xnr h3{
	padding: 10px;
}
.xnr p{
	height: 60px;
	position: relative;
	line-height: 30px;
	color: #898989;
	font-size: 13px;
	padding: 0px 10px;
	text-indent: 2em;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: pre-wrap;
}
hr{
	color: #333333;
	width: 80%;
	margin-left: 10px;
}
.divs_list{
	position: absolute;
	width: 100%;
	height: 140px;
	bottom: 0px;
}
.divs_list ul{
	height: 140px;
	overflow:hidden
}
/* 广告 1 */

.guanggao1 {
	width: 1000px;
	height: auto;
	margin: 0 auto;
	margin-top: 10px;
}

/*重大项目  院所工作 */

.div2 {
	width: 1000px;
	height: 205px;
	margin: 0 auto;
	margin-top: 15px;
}

.div2_1 {
	width: 495px;
	height: 205px;
	float: left;
}

.div2_2 {
	width: 495px;
	height: 205px;
	float: right;
}

.zdxm{
	height: 180px;
}

.zdxm ul{
	height: 155px;
}
.gzzt{
	height: 180px;
}
.gzzt ul{
	height: 155px;
}

/* 广告 2 */

.guanggao2 {
	width: 1000px;
	height: 120px;
	background-image: url(../img/guanggao2.png);
	background-size: 1000px 120px;
	background-repeat: no-repeat;
	margin-top: 15px;
}

/* 广告 3 */

.guanggao3 {
	width: 1000px;
	height: 140px;
	margin-top: 15px;
}
.gg img{
	width: 330px;
	height: 140px;
}
.ggg img{
	width: 290px;
	height: 140px;
}
.box{
	float: left;
}

/*学科建设  预决算公开*/

.div3 {
	width: 1000px;
	height: 210px;
	margin: 0 auto;
	margin-top: 15px;
}

.div3_1 {
	width: 495px;
	height: 210px;
	float: left;
}

.div3_2 {
	width: 495px;
	height: 210px;
	float: right;
}
.xkjs{
	height: 180px;
}

.xkjs ul{
	height: 155px;
}
.yjsgk{
	height: 180px;
}
.yjsgk ul{
	height: 155px;
}
/* 杂志班刊  VR展厅  */

.div4 {
	width: 1000px;
	height: 300px;
	margin: 0 auto;
	margin-top: 15px;
}

.div4_1 {
	width: 495px;
	height: 300px;
	background-size: 100% 285px;
	background-repeat: no-repeat;
	float: left;
}

.div4_2 {
	position: relative;
	width: 495px;
	height: 300px;
	float: right;
}
.div4_2 a{
	cursor: pointer;
}
.zzbk{
	height: 270px;
	margin-top: 10px;
}
.zzbk ul{
	height: 250px;
}
.zzbk ul li{
	float: left;
	width: 160px;
	height: 240px;
	padding-top:10px;
	margin-left: 4px;
	text-align: center;
}
.zzbk ul li img{
	margin-bottom: 20px;
}
.zzbk ul li a{
	color: #000000;
}
/*VR展厅*/

.VRyy {
	position: absolute;
	top: -20px;
	width: 100%;
	height: 170px;
	background-image: url(../img/VRyy.png);
	background-size: 100% 170px;
	background-repeat: no-repeat;
}
.xzzq{
	position: absolute;
	bottom: 0px;
	width: 100%;
	height: 110px;
	margin-top: 20px;
}
/*友情链接*/
.div5{
	width: 1000px;
	height: 100px;
	margin: 0 auto;
	margin-top: 15px;
	background-image: url(../img/yqlj.png);
	background-size: 100% 100%;
}

.div5 form{
	width: 320px;
	height: 30px;
	margin-top: 40px;
	margin-left: 10px;
	float: left;
}

.div5 form select{
	width: 100%;
	height: 100%;
	border: 1px solid #306ed4;
	border-radius:10px;
	cursor: pointer;
}


/*通知*/
.inform{
	position: fixed;
	right: 30px;
	width: 280px;
	height: 250px;
	text-align: center;
	background-image: url(../img/tanchaung.png);
	background-size: 100% 100%;
	color: #ffffff;
	z-index: 1000;
}
.xx{
	position: relative;
	height: 25px;
	line-height: 30px;
}
.xx i{
	position: absolute;
	right: 8px;
	font-size: 20px;
	cursor: pointer;
}
.inform h3{
	margin-bottom: 10px;
}
.inform ul li{ 
	font-size: 15px;
	line-height: 30px;
}

/*脚部*/

.footer {
	width: 100%;
	height: 130px;
	background-image: url(../img/jbbq.png);
	background-size: 100% 130px;
	background-repeat: no-repeat;
	/*margin-bottom: 3px;*/
}

.bottom_copyright p {
	padding-top: 10px;
	line-height: 32px;
	text-align: center;
	color: #ffffff;
}


/*返回顶部*/
.izl-rmenu {
	position: fixed;
	left: 93.9%;
	bottom: -18px;
	padding-bottom: 20px;
	z-index: 999;
}

.izl-rmenu .btn {
	width: 68px;
	height: 65px;
	margin-bottom: 1px;
	cursor: pointer;
	position: relative;
}

.izl-rmenu .btn-top {
	background: url(../img/top/return_top.png) 0px 0px no-repeat;
	background-color: #fe9700;
	display: none;
}

.izl-rmenu .btn-top:hover {
	background-color: #f06f52;
	background: url(../img/top/return_top_two.png) 0px 0px no-repeat;
}
a{
	cursor: pointer;
}
a:hover{
	color: #0086B3;
}