.engineering1 {
	width: 100%;
	overflow: hidden;
	padding: 105px 0 30px;
}
.engineering1 li {
	width: 420px;
	overflow: hidden;
	float: left;
	cursor: pointer;
}
.engineering1 .engineering1-img {
	width: 100%;
	height: 225px;
	overflow: hidden;
}
.engineering1-img img {
	width: 100%;
	transition: all 0.5s;
}
.engineering1 .engineering1-txt {
	width: 100%;
	overflow: hidden;
	position: relative;
	margin: 11px 0 0;
}
.engineering1-txt .engineering1-ico {
	top: 0px;
	left: 0px;
	width: 3.8rem;
	overflow: hidden;
	position: absolute;
	line-height: 4.1rem;
}
.engineering1-txt h3 {
	width: 100%;
	line-height: 55px;
	overflow: hidden;
	padding-left: 55px;
}
.engineering1-txt p {
	width: 100%;
	color: #9d9d9d;
	height: 60px;
	line-height: 20px;
	overflow: hidden;
}
.engineering1 li:hover .engineering1-img img {
	transform: scale(1.1);
}
@media only screen and (max-width: 991px) {
	.engineering1 {
		padding: 70px 0 30px;
	}
	.engineering1 li {
		width: 310px;
	}
	.engineering1 li:nth-of-type(2n+1) {
		margin: 0 30px 40px 0;
	}
	.engineering1 li:nth-of-type(2n) {
		margin: 0 0 40px;
	}
	.engineering1 .engineering1-img {
		height: 167px;
	}
	.engineering1-txt p {
	    height: 80px;
	}
}
@media only screen and (max-width: 700px) {
	.engineering1 {
		padding: 40px 0 20px;
	}
	.engineering1 li {
		width: 100%;
	}
	.engineering1 li:nth-of-type(2n+1),.engineering1 li:nth-of-type(2n) {
		margin: 0 0 25px;
	}
	.engineering1 .engineering1-img {
		height: 175px;
	}
	.engineering1-txt p {
	    height: auto;
	    max-height: auto;
	}
}
@media only screen and (min-width: 992px) {
	.engineering1 li {
		width: 300px;
	}
	.engineering1 li:nth-of-type(3n+1),.engineering1 li:nth-of-type(3n+2) {
		margin: 0 35px 35px 0;
	}
	.engineering1 li:nth-of-type(3n) {
		margin: 0 0 35px;
	}
	.engineering1 .engineering1-img {
		height: 161px;
	}
	.engineering1-txt p {
	    height: 80px;
	}
}
@media only screen and (min-width: 1200px) {
	.engineering1 li {
		width: 340px;
	}
	.engineering1 li:nth-of-type(3n+1),.engineering1 li:nth-of-type(3n+2) {
		margin: 0 40px 40px 0;
	}
	.engineering1 li:nth-of-type(3n) {
		margin: 0 0 40px;
	}
	.engineering1 .engineering1-img {
		height: 167px;
	}
	.engineering1-txt p {
	    height: 60px;
	}
}
@media only screen and (min-width: 1550px) {
	.engineering1 li {
		width: 420px;
	}
	.engineering1 li:nth-of-type(3n+1),.engineering1 li:nth-of-type(3n+2) {
		margin: 0 110px 65px 0;
	}
	.engineering1 li:nth-of-type(3n) {
		margin: 0 0 65px;
	}
	.engineering1 .engineering1-img {
		height: 225px;
	}
}
/*工程业绩*/
.engineering2 {
	width: 100%;
	overflow: hidden;
	padding: 100px 0 85px;
	background-image: url(../img/engineering2.jpg);
	background-repeat: no-repeat;
	background-position: top center;
	background-attachment: fixed;
}
.engineering2 h2 {
	font-size: 42px;
	line-height: 45px;
	text-align: center;
	color: #333333;
}
.engineering2 .engineering2-list {
	width: 100%;
	overflow: hidden;
}
.engineering2-list ul {
	width: 100%;
	overflow: hidden;
}
.engineering2-list ul li {
	overflow: hidden;
	float: left;
}
.engineering2-list a {
	display: block;
	width: 100%;
	overflow: hidden;
	text-align: center;
	cursor: pointer;
}
.engineering2-list a .engineering2-img {
	width: 100%;
	height: 235px;
	overflow: hidden;
	border-radius: 5px;
}
.engineering2-img img {
	width: 100%;
	transition: all 0.5s;
}
.engineering2-list a p {
	width: 100%;
	color: #333333;
	font-size: 16px;
	margin: 15px 0 0;
	overflow: hidden;
	font-weight: bold;
	line-height: 20px;
	transition: all 0.5s;
}
.engineering2-list a:hover .engineering2-img img {
	transform: scale(1.1);
}
.engineering2-list a:hover p {
	color: #ea5504;
}
.engineering2 .engineering2-more {
	width: 100%;
	padding: 10px;
	display: block;
	color: #ffffff;
	cursor: pointer;
	margin: 55px 0 0;
	overflow: hidden;
	line-height: 25px;
	text-align: center;
	transition: all 0.5s;
	background-color: #003f98;
}
.engineering2-more img {
	margin: -2px 0 0 12px;
}
.engineering2 .engineering2-more:hover {
	background-color: #ea5504;
	box-shadow: 0px 0px 15px rgba(0,0,0,0.3);
}
@media only screen and (max-width: 991px) {
	.engineering2 {
		background-size: auto 100%;
		background-attachment: scroll;
	}
	.engineering2 .engineering2-list {
		margin: 75px 0 0;
		height: 527px;
	}
	.engineering2-list li {
		width: 310px;
	}
	.engineering2-list li:nth-of-type(2n+1) {
		margin: 0 30px 35px 0;
	}
	.engineering2-list li:nth-of-type(2n) {
		margin: 0 0 35px;
	}
	.engineering2-list a .engineering2-img {
		height: 210px;
	}
}
@media only screen and (max-width: 700px) {
	.engineering2 {
		padding: 45px 0 40px;
	}
	.engineering2 h2 {
		font-size: 28px;
		line-height: 35px;
	}
	.engineering2 .engineering2-list {
		margin: 30px 0 0;
		height: 285px;
	}
	.engineering2-list li {
		width: 155px;
	}
	.engineering2-list li:nth-of-type(2n+1) {
		margin: 0 15px 15px 0;
	}
	.engineering2-list li:nth-of-type(2n) {
		margin: 0 0 15px;
	}
	.engineering2-list a p {
		font-size: 14px;
		margin: 8px 0 0;
	}
	.engineering2 .engineering2-more {
		margin: 30px 0 0;
	}
	.engineering2-list a .engineering2-img {
		height: 105px;
	}
}
@media only screen and (min-width: 992px) {
	.engineering2 .engineering2-list {
		margin: 75px 0 0;
		height: 515px;
	}
	.engineering2-list li {
		width: 300px;
	}
	.engineering2-list li:nth-of-type(3n+1),.engineering2-list li:nth-of-type(3n+2) {
		margin: 0 35px 35px 0;
	}
	.engineering2-list li:nth-of-type(3n) {
		margin: 0 0 35px;
	}
	.engineering2-list a .engineering2-img {
		height: 205px;
	}
}
@media only screen and (min-width: 1200px) {
	.engineering2 .engineering2-list {
		height: 575px;
	}
	.engineering2-list li {
		width: 344px;
	}
	.engineering2-list li:nth-of-type(3n+1),.engineering2-list li:nth-of-type(3n+2) {
		margin: 0 34px 35px 0;
	}
	.engineering2-list li:nth-of-type(3n) {
		margin: 0 0 35px;
	}
	.engineering2-list a .engineering2-img {
		height: 235px;
	}
}
@media only screen and (min-width: 1550px) {
	.engineering2 .engineering2-list {
		height: 575px;
	}
	.engineering2-list li {
		width: 345px;
	}
	.engineering2-list li:nth-of-type(4n+1),.engineering2-list li:nth-of-type(4n+2),.engineering2-list li:nth-of-type(4n+3) {
		margin: 0 33.33px 35px 0;
	}
	.engineering2-list li:nth-of-type(4n) {
		margin: 0 0 35px;
	}
}
@media only screen and (min-width: 1921px) {
	.engineering2 {
		background-size: 100%;
	}
}
/*客户咨询*/
.engineering3 {
	width: 100%;
	overflow: hidden;
	background-color: #f9f9f9;
}
.engineering3 li {
	width: 25%;
	height: 495px;
	overflow: hidden;
	float: left;
	text-align: center;
	background-color: #f2f2f2;
	color: #949494;
	font-size: 14px;
	line-height: 20px;
}
.engineering3 .engineering3-img {
	width: 100%;
	overflow: hidden;
	margin: 140px 0 40px;
}
.engineering3 .engineering3-txt {
	width: 100%;
	overflow: hidden;
}
.engineering3-txt h4 {
	line-height: 20px;
	font-size: 18px;
	font-weight: bold;
	color: #221815;
	margin: 0 0 13px;
}
@media only screen and (max-width: 991px) {
	.engineering3 li {
		width: 50%;
	}
	.engineering3 li:nth-of-type(2),.engineering3 li:nth-of-type(3) {
		background-color: #ededed;
	}
}
@media only screen and (max-width: 700px) {
	.engineering3 li {
		width: 100%;
		height: auto;
		padding: 70px 30px;
	}
	.engineering3 li:nth-of-type(2n+1) {
		background-color: #f2f2f2;
	}
	.engineering3 li:nth-of-type(2n) {
		background-color: #ededed;
	}
	.engineering3 .engineering3-img {
	    margin: 0 0 20px;
	}
}
@media only screen and (min-width: 992px) {
	.engineering3 li {
		font-size: 12px;
	}
	.engineering3 li:nth-of-type(2n) {
		background-color: #ededed;
	}
}
@media only screen and (min-width: 1550px) {
	.engineering3 li {
		font-size: 14px;
	}
}