.research1 {
	width: 100%;
	overflow: hidden;
	padding: 115px 0;
	background-color: #f3f3f3;
}
.research1 ul {
	width: 984px;
	height: 330px;
	margin: 0 auto;
}
.research1 ul li {
	width: 260px;
	height: 330px;
	overflow: hidden;
	background-color: #FFFFFF;
	text-align: center;
	float: left;
	margin: 0 34px;
	padding: 0 20px;
	cursor: pointer;
	transition: all 0.5s;
}
.research1 .research1-img {
	width: 80px;
	height: 72px;
	overflow: hidden;
	margin: 68px auto 34px;
	position: relative;
}
.research1-img img {
	width: 100%;
	position: absolute;
	left: 0px;
	top: 0px;
	transition: all 0.5s;
}
.research1-img img:nth-of-type(2) {
	opacity: 0;
}
.research1 .research1-txt {
	width: 100%;
	overflow: hidden;
	color: #666666;
	font-size: 12px;
	line-height: 18px;
	padding: 30px 0 0;
	position: relative;
	transition: all 0.5s;
}
.research1-txt:before {
	content: '';
	display: block;
	width: 120px;
	height: 1px;
	background-color: #000000;
	position: absolute;
	left: 50%;
	top: 0px;
	margin-left: -60px;
	transition: all 0.5s;
}
.research1-txt h4 {
	font-size: 16px;
	line-height: 20px;
	color: #000000;
	margin: 0 0 12px;
	transition: all 0.5s;
}
.research1 ul li:hover {
	box-shadow: 0px 0px 28px rgba(0,0,0,0.3);
}
@media only screen and (max-width: 991px) {
	.research1 {
	    padding: 40px 0;
	}
	.research1 ul {
		width: 100%;
		height: auto;
	}
	.research1 ul li {
	    width: 100%;
	    height: 700px;
	    float: none;
	    margin: 60px 0;
	    padding: 0 40px;
	}
	.research1 .research1-img {
	    width: 160px;
	    height: 144px;
	    margin: 140px auto 70px;
	}
	.research1 .research1-txt {
	    font-size: 24px;
	    line-height: 35px;
	    padding: 60px 0 0;
	}
	.research1-txt:before {
	    width: 240px;
	    height: 2px;
	    margin-left: -120px;
	}
	.research1-txt h4 {
	    font-size: 36px;
	    line-height: 40px;
	    margin: 0 0 25px;
	}
}
@media only screen and (max-width: 720px) {
	.research1 {
	    padding: 20px 0;
	}
	.research1 ul li {
	    height: auto;
	    margin: 30px 0;
	    padding: 60px 20px;
	    min-height: 350px;
	}
	.research1 .research1-img {
	    width: 80px;
	    height: 72px;
	    margin: 0 auto 35px;
	}
	.research1 .research1-txt {
	    font-size: 14px;
	    line-height: 25px;
	    padding: 30px 0 0;
	}
	.research1-txt:before {
	    width: 120px;
	    height: 1px;
	    margin-left: -60px;
	}
	.research1-txt h4 {
	    font-size: 24px;
	    line-height: 30px;
	    margin: 0 0 15px;
	}
}
@media only screen and (min-width: 992px) {
	.research1 {
		padding: 85px 0;
	}
	.research1 ul {
		width: 960px;
	}
	.research1 ul li {
		margin: 0 30px;
	}
}
@media only screen and (min-width: 1200px) {
	.research1 {
		padding: 100px 0;
	}
	.research1 ul {
		width: 984px;
	}
	.research1 ul li {
		margin: 0 34px;
	}
}
@media only screen and (min-width: 1550px) {
	.research1 {
		padding: 115px 0;
	}
}
/*创新引领未来*/
.research2 {
	width: 100%;
	overflow: hidden;
	padding: 145px 0 140px;
	position: relative;
}
.research2 .research2-txt {
	width: 670px;
	height: 490px;
	overflow: hidden;
	background-color: #004098;
	float: left;
	margin-left: 45px;
	font-size: 18px;
	line-height: 30px;
	color: #FFFFFF;
	padding: 90px 80px;
}
.research2-txt h4 {
	font-size: 38px;
	line-height: 45px;
	font-weight: bold;
	margin: 0 0 20px;
}
.research2 .research2-img {
	width: 800px;
	overflow: hidden;
	position: absolute;
	top: 235px;
	right: 50%;
	margin-right: -710px;
}
.research2-img img {
	width: 100%;
}
.research2-img:before {
	content: '';
	display: block;
	width: 65px;
	height: 400px;
	overflow: hidden;
	position: absolute;
	left: 0px;
	top: 0px;
	background-image: url(../img/research2-2.png);
	background-repeat: no-repeat;
	background-position: left top;
	z-index: 1;
}
@media only screen and (max-width: 991px) {
	.research2 {
	    padding: 100px 0;
	}
	.research2 .research2-txt {
		width: 100%;
		float: none;
		margin-left: 0px;
	}
	.research2 .research2-img {
		width: 100%;
		position: relative;
		top: 0;
		right: 0;
		margin-right: 0px;
	}
	.research2-img:before {
		display: none;
	}
}
@media only screen and (max-width: 720px) {
	.research2 {
	    padding: 50px 0;
	}
	.research2 .research2-txt {
	    height: auto;
	    font-size: 14px;
	    line-height: 22px;
	    min-height: 300px;
	    padding: 35px 20px 35px 25px;
	}
	.research2-txt h4 {
	    font-size: 28px;
	    line-height: 35px;
	    margin: 0 0 10px;
	}
}
@media only screen and (min-width: 992px) {
	.research2 {
		padding: 100px 0 95px;
	}
	.research2 .research2-txt {
		width: 450px;
		height: 320px;
		margin-left: 0px;
		font-size: 14px;
		line-height: 20px;
		padding: 50px 40px;
	}
	.research2-txt h4 {
		font-size: 28px;
		line-height: 30px;
		margin: 0 0 15px;
	}
	.research2 .research2-img {
		width: 570px;
		top: 145px;
		margin-right: -485px;
	}
	.research2-img:before {
		width: 50px;
		height: 275px;
	}
}
@media only screen and (min-width: 1200px) {
	.research2 {
		padding: 120px 0 115px;
	}
	.research2 .research2-txt {
		width: 507px;
		height: 392px;
		margin-left: 36px;
		font-size: 16px;
		line-height: 25px;
		padding: 72px 64px;
	}
	.research2-txt h4 {
		font-size: 36px;
		line-height: 40px;
	}
	.research2 .research2-img {
		width: 640px;
		top: 188px;
		margin-right: -568px;
	}
	.research2-img:before {
		width: 65px;
		height: 323px;
	}
}
@media only screen and (min-width: 1550px) {
	.research2 {
		padding: 145px 0 140px;
	}
	.research2 .research2-txt {
		width: 670px;
		height: 490px;
		margin-left: 45px;
		font-size: 18px;
		line-height: 30px;
		padding: 90px 80px;
	}
	.research2-txt h4 {
		font-size: 38px;
		line-height: 45px;
	}
	.research2 .research2-img {
		width: 800px;
		top: 235px;
		margin-right: -710px;
	}
	.research2-img:before {
		height: 400px;
	}
}
/*在这条不断超越追寻创新的道路上*/
.research3 {
	width: 100%;
	overflow: hidden;
	padding: 120px 0 145px;
	position: relative;
	background-image: url(../img/research3.jpg);
	background-repeat: no-repeat;
	background-position: top center;
	color: #FFFFFF;
}
.research3 h3 {
	width: calc(100% - 58px);
	width: -moz-calc(100% - 58px);
	width: -webkit-calc(100% - 58px);
	font-size: 30px;
	font-weight: bold;
	line-height: 40px;
	margin: 0 auto 8px;
}
.research3 h2 {
	width: calc(100% - 58px);
	width: -moz-calc(100% - 58px);
	width: -webkit-calc(100% - 58px);
	font-size: 36px;
	line-height: 48px;
	margin: 0 auto;
}
.research3-img {
	width: 100%;
	overflow: hidden;
	margin: 70px 0 0;
}
.research3-img li {
	width: calc(33.33% - 60px);
	width: -moz-calc(33.33% - 60px);
	width: -webkit-calc(33.33% - 60px);
	overflow: hidden;
	float: left;
	margin: 0 30px;
	cursor: pointer;
}
.research3-img img {
	width: 100%;
	transition: all 0.5s;
}
.research3-img li:hover img {
	transform: scale(1.1);
}
@media only screen and (max-width: 991px) {
	.research3 {
		padding: 100px 0;
		background-size: cover;
	}
	.research3 h3 {
		width: 100%;
	}
	.research3 h2 {
		width: 100%;
	}
	.research3-img li {
	    width: calc(50% - 20px);
	    width: -moz-calc(50% - 20px);
	    width: -webkit-calc(50% - 20px);
	}
	.research3-img li:nth-of-type(2n+1) {
		margin: 0 40px 40px 0;
	}
	.research3-img li:nth-of-type(2n) {
		margin: 0 0 40px;
	}
}
@media only screen and (max-width: 720px) {
	.research3 {
		padding: 50px 0 30px;
	}
	.research3 h3 {
		font-size: 18px;
    	line-height: 25px;
    	margin: 0 auto 5px;
	}
	.research3 h2 {
		font-size: 24px;
    	line-height: 30px;
	}
	.research3-img {
	    margin: 35px 0 0;
	}
	.research3-img li {
	    width: calc(50% - 10px);
	    width: -moz-calc(50% - 10px);
	    width: -webkit-calc(50% - 10px);
	}
	.research3-img li:nth-of-type(2n+1) {
		margin: 0 20px 20px 0;
	}
	.research3-img li:nth-of-type(2n) {
		margin: 0 0 20px;
	}
}
@media only screen and (min-width: 992px) {
	.research3 {
		padding: 85px 0 100px;
	}
	.research3 h3 {
		width: 100%;
		font-size: 24px;
		line-height: 30px;
		margin: 0 auto 5px;
	}
	.research3 h2 {
		width: 100%;
		font-size: 32px;
		line-height: 40px;
	}
	.research3-img {
		margin: 50px 0 0;
	}
	.research3-img li {
		width: calc(25% - 20px);
		width: -moz-calc(25% - 20px);
		width: -webkit-calc(25% - 20px);
		margin: 0 0 0 20px;
	}
}
@media only screen and (min-width: 1200px) {
	.research3 {
		padding: 96px 0 116px;
	}
	.research3 h3 {
		font-size: 28px;
		line-height: 35px;
	}
	.research3 h2 {
		font-size: 34px;
		line-height: 45px;
	}
	.research3-img {
		margin: 60px 0 0;
	}
	.research3-img li {
		margin: 0 0 0 20px;
		width: -moz-calc(25% - 20px);
		width: -webkit-calc(25% - 20px);
		width: calc(25% - 20px);
	}
}
@media only screen and (min-width: 1550px) {
	.research3 {
		padding: 120px 0 145px;
	}
	.research3 h3 {
		font-size: 30px;
		line-height: 40px;
		margin: 0 auto 8px;
		width: -moz-calc(100% - 58px);
		width: -webkit-calc(100% - 58px);
		width: calc(100% - 58px);
	}
	.research3 h2 {
		font-size: 36px;
		line-height: 48px;
		width: -moz-calc(100% - 58px);
		width: -webkit-calc(100% - 58px);
		width: calc(100% - 58px);
	}
	.research3-img {
		margin: 70px 0 0;
	}
	.research3-img li {
		width: -moz-calc(25% - 30px);
		width: -webkit-calc(25% - 30px);
		width: calc(25% - 30px);
		margin: 0 0 0 30px;
	}
}