.sub_nav {
	margin-bottom: 60px;
	text-align: center;
	font-size: 0;
}
.sub_nav a {
	display: inline-block;
	vertical-align: top;
	position: relative;
	width: 190px;
	height: 50px;
	padding: 0 20px;
	border: 1px solid #ddd;
	border-left: none;
	font-size: 16px;
	color: #666;
	line-height: 50px;
	text-align: left;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	text-align: center;
}
.sub_nav a:first-child {
	border-left: 1px solid #ddd;
}
.sub_nav a:before {
	position: absolute;
	top: 0;
	right: 20px;
	content: "\27A4";
	font-size: 20px;
	color: #aaa;
	-webkit-transition: all .5s;
	transition: all .5s;
}
.sub_nav a.on {
	background: #00A0E4;
	color: #fff;
	border-color: #00A0E4;
}
.sub_nav a.on:before {
	color: #fff;
	-webkit-transform: rotate(90deg);
	transform: rotate(90deg);
}
.sub_nav a.on:hover {
	background: #00A0E4;
	color: #fff;
	border-color: #00A0E4;
}
.sub_nav a.on:hover:before {
	color: #fff;
}

.index_1 .inxMian {
	left:10%;
	position:relative;
	height: 600px;
	overflow: hidden;
	font-size: 0;
	width: 80%;
	max-width:1400px;
	padding-bottom:100px;
}
.index_1 .in_hd {
	display: inline-block;
	vertical-align: top;
	width: 160px;
	height: 100%;
	background: #fff;
}
.index_1 .in_hd > div {
	position: relative;
	width: 100%;
	height: 25%;
	overflow: hidden;
	border-bottom: 1px solid #ddd;
	box-sizing: border-box;
	cursor: pointer;
}
.index_1 .in_hd > div > span {
	display: block;
	position: absolute;
	top: 50%;
	z-index: 2;
	width: 100%;
	background: #fff;
	box-sizing: border-box;
	text-align: center;
	line-height: 1;
	-webkit-transform: translateY(-50%);
	transform: translateY(-50%);
}
.index_1 .in_hd > div > span i {
	display: block;
	width: 64px;
	height: 64px;
	margin: 0 auto 5%;
	background: no-repeat center;
	background-size: 100%;
	-webkit-transition: all .5s;
	transition: all .5s;
}
.index_1 .in_hd > div > span em {
	display: block;
	font-size: 16px;
	color: #333;
	text-align: center;
	-webkit-transition: all .5s;
	transition: all .5s;
}
.index_1 .in_hd > div .ins {
	position: absolute;
	top: 0;
	left: 0;
	z-index: 1;
	width: 250px;
	height: 100%;
	overflow: hidden;
	padding: 20px 10px;
	border-right: 3px solid #00A0E4;
	background: #fff;
	box-sizing: border-box;
	line-height: 1;
	-webkit-transition: all .5s;
	transition: all .5s;
	opacity: 0;
}
.index_1 .in_hd > div .ins h4 {
	position: absolute;
	top: 50%;
	left: 10px;
	transform: translateY(-50%);
	padding: 30px 0;
	font-size: 16px;
	color: #00a0e4;
}
.index_1 .in_hd > div .ins h4:before {
	position: absolute;
	top: 0;
	left: 0;
	z-index: 1;
	width: 20px;
	height: 4px;
	content: '';
	background: #00A0E4;
}
.index_1 .in_hd > div .ins p {
	height: 48px;
	overflow: hidden;
	font-size: 14px;
	color: #333;
	line-height: 24px;
}
.index_1 .in_hd > div.ins_1 > span i {
	background-image: url(../images/学术会议.png);
	width: 64px;
}
.index_1 .in_hd > div.ins_2 > span i {
	background-image: url(../images/计划.png);
	width: 64px;
}
.index_1 .in_hd > div.ins_3 > span i {
	background-image: url(../images/项目成果.png);
	width: 64px;
}
.index_1 .in_hd > div.ins_4 > span i {
	background-image: url(../images/ins_4.png);
	width: 64px;
}
.index_1 .in_hd > div.on {
	overflow: initial;
	background: #750E6D;
}
.index_1 .in_hd > div.on > span {
	overflow: initial;
	background: #750E6D;
}

.index_1 .in_hd > div.on > span i {
	-webkit-transform: translateY(16px);
	transform: translateY(16px);
	background: #750E6D;
}
.index_1 .in_hd > div.on > span em {
	-webkit-transform: scale(0);
	transform: scale(0);
	background: #750E6D;
}
.index_1 .in_hd > div.on .ins {
	left: 100%;
	opacity: 0.5;
	/*background: #750E6D;*/
}
.index_1 .in_hd > div.on.ins_1 > span i {
	background-image: url(../images/学术会议1.png);
	background-size: cover;
}
.index_1 .in_hd > div.on.ins_2 > span i {
	background-image: url(../images/计划1.png);
	background-size: cover;
}
.index_1 .in_hd > div.on.ins_3 > span i {
	background-image: url(../images/项目成果1.png);
	background-size: cover;
}

.index_1 .in_bd {
	display: inline-block;
	vertical-align: top;
	width: calc(100% - 160px);
	height: 100%;
}
.index_1 .in_box {
	display: none;
	width: 100%;
	height: 100%;
}
.index_1 .in_box .in_img {
	display: inline-block;
	vertical-align: top;
	width: calc(100% - 300px);
	height: 100%;
	background: no-repeat center;
	background-size: cover;
}
.index_1 .in_box .in_txt {
	display: inline-block;
	vertical-align: top;
	position: relative;
	width: 300px;
	height: 100%;
	background: url(../images/in_2.jpg) no-repeat center;
	background-size: cover;
	box-sizing: border-box;
}
.index_1 .in_box .in_txt > div {
	position: absolute;
	top: 50%;
	left: 0;
	width: 100%;
	padding: 0 10%;
	box-sizing: border-box;
	-webkit-transform: translateY(-50%);
	transform: translateY(-50%);
}
.index_1 .in_box .in_txt h4 {
	position: relative;
	padding: 7.5% 0;
	font-size: 40px;
	color: #333;
	line-height: 60px;
	font-weight: 100;
}
.index_1 .in_box .in_txt h4:before {
	position: absolute;
	bottom: 0;
	left: 0;
	width: 90px;
	height: 1px;
	content: '';
	background: #333;
}
.index_1 .in_box .in_txt p {
	padding: 7.5% 0;
	font-size: 16px;
	color: #666;
	line-height: 30px;
}
.index_1 .in_box .in_txt h6 {
	border-top: 1px solid #ddd;
	border-bottom: 1px solid #ddd;
}
.index_1 .in_box .in_txt h6 a {
	display: block;
	padding: 7.5% 0;
	font-size: 18px;
	color: #00a0e4;
}
.index_1 .in_box .in_txt h6 i {
	display: inline-block;
	vertical-align: top;
	width: 16px;
	height: 16px;
	margin-right: 10px;
	background: no-repeat center;
	background-size: 100%;
}
.wrap {
	max-width: 1720px;
	margin: 0 auto;
}

.newb{
	display:none;
}

.a_box .on{
	display:block;
}

.news_title{
	text-align:center;
	font-size:36px;
	font-weight:600;
	padding:20px;
}

.news_detail{
	line-height:30px;
	font-size:20px;
	font-weight:500;
}

.newb{
	max-width: 1000px;
	margin: auto;
}

@media (max-width: 1220px) {
	.index_1 .inxMian {
		height: auto;
	}
	.index_1 .in_hd {
		float: none;
		width: 100%;
		height: auto;
		border-top: 1px solid #ddd;
		border-bottom: 2px solid #ddd;
	}
	.index_1 .in_hd > div {
		display: inline-block;
		vertical-align: top;
		width: 25%;
		height: auto;
		border-right: 1px solid #ddd;
		border-bottom: none;
	}
	.index_1 .in_hd > div:nth-last-child(1) {
		border-right: none;
	}
	.index_1 .in_hd > div > span {
		position: static;
		padding: 5% 0;
		-webkit-transform: none;
		transform: none;
	}
	.index_1 .in_hd > div .ins {
		display: none !important;
	}
	.index_1 .in_hd > div.on > span i {
		-webkit-transform: translate(0);
		transform: translate(0);
		background-size: 45px 45px !important;
		background: no-repeat center;
	}
	.index_1 .in_hd > div > span i {
		background-size: 45px 45px;
	}
	.index_1 .in_hd > div.on > span em {
		color: #00A0E4;
		-webkit-transform: scale(1);
		transform: scale(1);
	}
	.index_1 .in_bd {
		float: none;
		width: 100%;
		height: 400px;
		box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.1);
	}
	.d_show span{
		font-size: 18px !important;
		letter-spacing: 2px !important;
	}
}

@media (max-width: 640px) {
	.index_1 .in_bd{
		height: 300px;
	}
	.index_1 .in_hd > div {
		width: 50%;
	}
	.index_1 .in_hd > div > span i {
		width: 30px !important;
		height: 30px;
		margin-bottom: 3%;
	}
	.index_1 .in_hd > div > span em {
		font-size: 12px;
	}
	.index_1 .in_hd > div:nth-last-child(1), .index_1 .in_hd > div:nth-last-child(2) {
		border-top: 1px solid #ddd;
	}
	.index_1 .in_hd > div:nth-child(2) {
		border-right: none;
	}
	.index_1 .in_box .in_img {
		width: 60%;
	}
	.index_1 .in_box .in_txt {
		padding: 3% 0;
		width: 40%;
	}
	.index_1 .in_box .in_txt > div {
		padding: 0 3%;
	}
	.index_1 .in_box .in_txt > div h4 {
		padding: 5% 0;
		font-size: 16px;
		line-height: 24px;
	}
	.index_1 .in_box .in_txt > div h4:before {
		width: 40px;
	}
	.index_1 .in_box .in_txt > div p {
		padding: 5% 0;
		font-size: 12px;
		line-height: 20px;
	}
	.index_1 .in_box .in_txt > div h6 {
		padding: 3% 0;
		border: none !important;
	}
	.index_1 .in_box .in_txt > div h6 a {
		font-size: 12px;
	}
	.index_1 .in_box .in_txt > div h6 i {
		width: 12px !important;
		height: 12px;
	}
	.index_1 .in_hd > div.on > span i {
		-webkit-transform: translate(0);
		transform: translate(0);
		background-size: 30px 30px !important;
		background: no-repeat center;
	}
	.index_1 .in_hd > div > span i {
		background-size: 30px 30px;
	}
	.d_show span{
		font-size: 14px !important;
	}
}

@media (max-width: 480px) {
	.index_1 .in_box .in_img {
		width: 50%;
	}
	.index_1 .in_box .in_txt {
		width: 50%;
	}
	.index_1 .in_box .in_txt > div h4 {
		font-size: 14px;
		line-height: 20px;
	}
	.index_1 .in_box .in_txt > div h4:before {
		width: 30px;
	}
	.index_1 .in_box .in_txt > div p {
		font-size: 10px;
		line-height: 18px;
	}
	.index_1 .in_box .in_txt > div h6 a {
		font-size: 10px;
	}
	.index_1 .in_box .in_txt > div h6 i {
		width: 10px !important;
		height: 10px;
	}
}

@media (max-width: 360px) {
	.index_1 .in_box .in_img {
		width: 40%;
	}
	.index_1 .in_box .in_txt {
		width: 60%;
	}
	.index_1 .in_box .in_txt > div h4 {
		font-size: 12px;
		line-height: 18px;
	}
	.index_1 .in_box .in_txt > div h4:before {
		width: 20px;
	}
	.index_1 .in_box .in_txt > div p {
		font-size: 8px;
		line-height: 16px;
	}
	.index_1 .in_box .in_txt > div h6 a {
		font-size: 8px;
	}
	.index_1 .in_box .in_txt > div h6 i {
		width: 8px !important;
		height: 8px;
	}
}