.course-wrapper {
	position: relative;
	height: 1800px;
}
.clock-icon {
	position: absolute;
	left: 50%;
	top: 60px;
	margin-left: -18px;
	width: 36px;
	height: 36px;
	background: url(/DxMFDSkFUIOUEu5sKSONKIppIIqrE0poKSkIUSqMKySLTIkFKI0nEI9I.jpg) no-repeat center;
}
.long-vertical-bar {
	position: absolute;
	left: 50%;
	top: 96px;
	margin-left: -0.5px;
	width: 1px;
	height: 1500px;
	background-color: #009fd9;
}
.icon-year {
	position: absolute;
	z-index: 9;
	left: 50%;
	width: 132px;
	height: 36px;
	font-size: 16px;
	line-height: 36px;
	color: #009fd9;
}
.icon-year-to-right {
	margin-left: -42px;
	text-indent: 22px;
	background: url(/DxMFDSkFUIOUEu5sKSONKIppIIqrE0poKSkIUS1JKyjrGIODDO5NJukNJyAqEEkQJyV.jpg) no-repeat center;
}
.icon-year-to-left {
	margin-left: -90px;
	text-indent: 74px;
	background: url(/DxMFDSkFUIOUEu5sKSONKIppIIqrE0poKSkIUS1JKyjrGIODDO5NJukrIyWOU0WqHj.jpg) no-repeat center;
}
.icon-year-2015 {
	bottom: 550px;
}
.course-div-2015 {
	bottom: 140px;
	right: 0;
	height: 520px;
}
.icon-year-2016 {
	bottom: 730px;
}
.course-div-2016 {
	bottom: 450px;
	left: 0;
	height: 500px;
}
.icon-year-2017 {
	bottom: 900px;
}
.course-div-2017 {
	bottom: 730px;
	right: 0;
	height: 270px;
}
.icon-year-2018 {
	bottom: 1200px;
}
.course-div-2018 {
	bottom: 980px;
	left: 0;
	height: 370px;
}
.icon-year-2019 {
	bottom: 1350px;
}
.course-div-2019 {
	bottom: 1100px;
	right: 0;
	height: 370px;
}
.icon-year-2020 {
	bottom: 1550px;
}
.course-div-2020 {
	bottom: 1400px;
	left: 0;
	height: 270px;
}
/*½éÉÜ*/
.course-div {
	position: absolute;
	padding: 32px 0 0 40px;
	border: 1px solid #eeeeee;
	width: 43.4%;
	background-color: #fafafa;
}
.course-title {
	margin-bottom: 16px;
	font-size: 14px;
	color: #666;
}
.course-big {
	font-size: 24px;
	color: #333333;
}
.course-introduce {
	display: inline-block;
	margin-left: 12px;
}
.course-sub-introduce {
	display: block;
	margin-left: 58px;
	line-height: 24px;
	padding-right: 20px;
}
.course-pic {
	display: inline-block;
	margin:8px 0 0 60px;
	width: 150px;
	height: 100px;
	background-color: #ccc;
}
.course-pic-1 {
	background: url(/DxMFDSkFUIOUEu5sKSONKIppIIqrE0poKSkIUSqnERONHEuOJ1NMODNpD1cF.jpg) no-repeat center;
}
.course-pic-2 {
	background: url(/DxMFDSkFUIOUEu5sKSONKIppIIqrE0poKSkIUSqnERONHEuOJ1NMODZpD1cF.jpg) no-repeat center;
}