.content {
	background:#f5f5f5 url(../images/project.jpg) no-repeat top center;
}
.content .project_content {
	width: 1425px;
	overflow: hidden;
	margin: 530px auto 0;
}
.project_content .project_title {
	width: 100%;
	height: 60px;
	border-bottom: 1px solid #e1e1e1;
	position: relative;
	margin: 0 0 55px;
}
.project_title h1 {
	font-size: 36px;
	color: #333333;
	font-weight: bold;
	text-align: center;
}
.project_title span {
	display: block;
	width: 40px;
	height: 5px;
	background-color: #f45d1f;
	position: absolute;
	bottom: -3px;
	left: 50%;
	margin-left: -20px;
}
.project_content .project_list {
	width: 100%;
	overflow: hidden;
}
.project_list li {
	width: calc(25% - 48px);
	width: -moz-calc(25% - 48px);
	width: -webkit-calc(25% - 48px);
	overflow: hidden;
	float: left;
	margin: 0 64px 35px 0;
	text-align: center;
	cursor: pointer;
}
.project_list li:nth-of-type(4n){
	margin: 0 0 35px;
}
.project_list li .project_img {
	width: 100%;
	overflow: hidden;
}
.project_img img {
	width: 100%;
	transition: all 1s;
}
.project_list li p {
	color: #333333;
	font-size: 14px;
	line-height: 20px;
	margin: 15px 0 0;
}
.project_list li:hover p {
	color: #f45d1f;
	text-decoration: underline !important;
}
.project_list li:hover .project_img img {
	transform: scale(1.15);
}
@media only screen and (max-width: 1199px) {
	.content .project_content {
		width: 825px;
	}
	.project_list li {
	    width: calc(33.33% - 24px);
	    width: -moz-calc(33.33% - 24px);
	    width: -webkit-calc(33.33% - 24px);
	    margin: 0 36px 30px 0 !important;
	}
	.project_list li:nth-of-type(3n){
		margin: 0 0 30px !important;
	}
}
@media only screen and (max-width: 991px) {
	.content .project_content {
		width: 668px;
	}
	.project_list li:nth-of-type(2n+1) {
	    width: calc(50% - 24px);
	    width: -moz-calc(50% - 24px);
	    width: -webkit-calc(50% - 24px);
	    margin: 0 48px 30px 0 !important;
	}
	.project_list li:nth-of-type(2n){
		width: calc(50% - 24px);
	    width: -moz-calc(50% - 24px);
	    width: -webkit-calc(50% - 24px);
		margin: 0 0 30px !important;
	}
}
@media only screen and (max-width: 767px) {
	.content {
	    background-size: 800px;
	}
	.content .project_content {
		width: 335px;
		margin: 240px auto 0;
	}
	.project_title h1 {
	    font-size: 28px;
	}
	.project_content .project_title {
	    height: 50px;
	    margin: 0 0 30px;
	}
	.project_content .project_list {
	    margin: 0 0 30px;
	}
	.project_list li:nth-of-type(2n+1) {
	    width: calc(50% - 10px);
	    width: -moz-calc(50% - 10px);
	    width: -webkit-calc(50% - 10px);
	    margin: 0 20px 15px 0 !important;
	}
	.project_list li:nth-of-type(2n){
		width: calc(50% - 10px);
	    width: -moz-calc(50% - 10px);
	    width: -webkit-calc(50% - 10px);
		margin: 0 0 15px !important;
	}
	.project_list li p {
	    font-size: 12px;
	    line-height: 20px;
	    height: 20px;
	    margin: 5px 0 0;
	}
}
@media only screen and (min-width: 1200px) {
	.content .project_content {
		width: 1025px;
	}
	.project_list li {
	    width: calc(25% - 24px);
	    width: -moz-calc(25% - 24px);
	    width: -webkit-calc(25% - 24px);
	    margin: 0 32px 25px 0;
	}
	.project_list li:nth-of-type(4n){
		margin: 0 0 25px;
	}
}
@media only screen and (min-width: 1400px) {
	.content .project_content {
		width: 1225px;
	}
	.project_list li {
	    width: calc(25% - 48px);
	    width: -moz-calc(25% - 48px);
	    width: -webkit-calc(25% - 48px);
	    margin: 0 64px 35px 0;
	}
	.project_list li:nth-of-type(4n){
		margin: 0 0 35px;
	}
}
@media only screen and (min-width: 1600px) {
	.content .project_content {
		width: 1425px;
	}
}