.duty1 {
	width: 100%;
	overflow: hidden;
	padding: 65px 0 30px;
	background-color: #f8f8f8;
}
.duty1 h1 {
	font-size: 40px;
	color: #333333;
	margin: 0 0 35px;
}
.duty1 ul {
	width: 100%;
	overflow: hidden;
}
.duty1 ul li {
	width: calc(50% - 23px);
	width: -moz-calc(50% - 23px);
	width: -webkit-calc(50% - 23px);
	height: 370px;
	overflow: hidden;
	padding: 35px 40px;
	float: left;
	position: relative;
	font-size: 16px;
	line-height: 24px;
	color: #333333;
	cursor: pointer;
}
.duty1 ul li:nth-of-type(1) {
	background:#f1f1f1 url(../img/duty1-1.jpg) no-repeat top center;
	margin: 0 46px 45px 0;
}
.duty1 ul li:nth-of-type(2) {
	background:#f1f1f1 url(../img/duty1-2.jpg) no-repeat top center;
	margin: 0 0 45px;
}
.duty1 ul li:nth-of-type(3) {
	background:#f1f1f1 url(../img/duty1-3.jpg) no-repeat top center;
	margin: 0 46px 45px 0;
}
.duty1 ul li:nth-of-type(4) {
	background:#f1f1f1 url(../img/duty1-4.jpg) no-repeat top center;
	margin: 0 0 45px;
}
.duty1 ul li:before {
	content: '';
	display: block;
	width: 4px;
	height: 120px;
	overflow: hidden;
	background-color: #afafaf;
	position: absolute;
	left: 0;
	top: 0;
}
.duty1 ul li:after {
	content: '';
	display: block;
	width: 4px;
	height: 0px;
	position: absolute;
	left: 0;
	top: 0;
	transition: all 0.5s;
}
.duty1 ul li h2 {
	width: 300px;
	line-height: 85px;
	overflow: hidden;
	border-bottom: 1px solid #e1e1e1;
	margin: 0 0 18px;
}
.duty1 ul li:hover:after {
	height: 120px;
	background-color: #d8262c;
}
@media only screen and (max-width: 991px) {
	.duty1 ul li {
		width: 100%;
		float: none;
	}
}
@media only screen and (max-width: 700px) {
	.duty1 {
		padding: 40px 0 10px;
	}
	.duty1 h1 {
	    font-size: 28px;
	    margin: 0 0 20px;
	}
	.duty1 ul li {
		height: 280px;
		font-size: 14px;
		line-height: 20px;
		padding: 20px 30px;
	}
	.duty1 ul li:nth-of-type(1),.duty1 ul li:nth-of-type(2),.duty1 ul li:nth-of-type(3),.duty1 ul li:nth-of-type(4) {
		background-position: bottom center;
		background-size: 100%;
		margin: 0 0 25px;
	}
	.duty1 ul li:before {
	    width: 2px;
	    height: 65px;
	}
	.duty1 ul li:after {
		width: 2px;
	}
	.duty1 ul li:hover:after {
		height: 65px;
		background-color: #d8262c;
	}
	.duty1 ul li h2 {
	    width: 150px;
	    font-size: 20px;
	    line-height: 45px;
	    margin: 0 0 10px;
	}
}
.duty2 {
	width: 100%;
	height: 495px;
	overflow: hidden;
	color: #000000;
	font-size: 16px;
	line-height: 24px;
	padding: 140px 0 0;
	background: url(../img/duty2.jpg) no-repeat center;
}
.duty2 h1 {
	font-size: 40px;
	margin: 0 0 25px;
}
@media only screen and (max-width: 700px) {
	.duty2 {
		height: 345px;
		font-size: 14px;
		line-height: 22px;
		padding: 90px 0 0;
		background-size: auto 100%;
	}
	.duty2 br {
		display: none;
	}
	.duty2 h1 {
		font-size: 28px;
		margin: 0 0 15px;
	}
}
@media only screen and (min-width: 1921px) {
	.duty2 {
		background-size: 100%;
	}
}
.duty3 {
	width: 100%;
	overflow: hidden;
	padding: 50px 0 60px;
}
.duty3 h1 {
	font-size: 40px;
	line-height: 45px;
	margin: 0 0 40px;
}
.duty3 .duty3-list {
	width: 100%;
	overflow: hidden;
}
.duty3-list .swiper-container {
	width: 100%;
	height: 450px;
	overflow: hidden;
}
.duty3-list a {
	width: calc(33.33% - 24px);
	width: -moz-calc(33.33% - 24px);
	width: -webkit-calc(33.33% - 24px);
	overflow: hidden;
	float: left;
	margin: 0 36px 0 0;
	border-bottom: 1px solid #dfdfdf;
	transition: all 0.5s;
}
.duty3-list a:nth-of-type(3) {
	margin: 0;
}
.duty3-list a .duty3-img {
	width: 100%;
	overflow: hidden;
}
.duty3-img img {
	width: 100%;
}
.duty3-list a .duty3-txt {
	width: 100%;
	height: 155px;
	padding: 22px 30px;
	overflow: hidden;
	color: #b0b0b0;
	font-family: arial;
	font-size: 14px;
	position: relative;
}
.duty3-list a .duty3-txt h4 {
	width: 100%;
	font-size: 18px;
	line-height: 26px;
	overflow: hidden;
	color: #666666;
	display: -webkit-box;
	font-family: "微软雅黑";
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	height: 52px;
	margin: 0 0 30px;
}
.duty3-list a .duty3-txt:before {
	content: '';
	display: block;
	width: 0px;
	height: 2px;
	position: absolute;
	left: 0;
	bottom: 0;
	transition: all 0.5s;
}
.duty3-list a:hover {
	border: none;
	box-shadow: 2.5px 1.6px 10px 0px rgba(0,0,0,0.29);
}
.duty3-list a:hover .duty3-txt:before {
	background-color: #d8272d;
	width: 100%;
}
.duty3-list .swiper-container-horizontal>.swiper-pagination-bullets,.duty3-list .swiper-pagination-custom,.duty3-list .swiper-pagination-fraction {
	bottom: 0px;
}
.duty3-list .swiper-pagination-bullet {
    width: 14px;
    height: 14px;
    opacity: 0.5;
}
.duty3-list .swiper-pagination-bullet-active {
    opacity: 1;
    background: #d80c18;
}
@media only screen and (max-width: 991px) {
	.duty3-list a {
		width: 100%;
		margin: 0 0 50px;
	}
	.duty3-list .swiper-container {
	    height: 400px;
	}
}
@media only screen and (max-width: 700px) {
	.duty3 {
	    padding: 40px 0;
	}
	.duty3 h1 {
	    font-size: 28px;
	    line-height: 35px;
	    margin: 0 0 20px;
	}
	.duty3-list .swiper-container {
	    height: 360px;
	}
	.duty3-list a {
		margin: 0 0 30px;
	}
	.duty3-list a .duty3-txt {
		height: 125px;
		padding: 20px 25px;
		font-size: 12px;
	}
	.duty3-list a .duty3-txt h4 {
		font-size: 16px;
		line-height: 25px;
		height: 50px;
		margin: 0 0 20px;
	}
	.duty3-list .swiper-pagination-bullet {
	    width: 10px;
	    height: 10px;
	}
}
@media only screen and (min-width: 992px) {
	.duty3-list .swiper-container {
	    height: 400px;
	}
}
@media only screen and (min-width: 1200px) {
	.duty3-list .swiper-container {
	    height: 430px;
	}
}