.course-wrapper {
	position: relative;
	/*margin: 0 auto;
	width: 1000px;*/
	height: 2050px;
}
.long-vertical-bar {
	position: absolute;
	left: 50%;
	top: 96px;
	margin-left: -20px;
	width: 46px;
	height: 1544px;
	background: url(img1/course-clock-bar.png?v=1) no-repeat center;
	background-size: contain;
}
.icon-year {
	position: absolute;
	z-index: 9;
	left: 50%;
	width: 132px;
	height: 36px;
	font-size: 16px;
	line-height: 36px;
	color: #999999;
}
.icon-year-to-right {
	margin-left: -42px;
	text-indent: 22px;
	background: url(img/year-default-right-icon.png) no-repeat center;
}
/* .icon-year-to-right.icon-year-2017 {
	color: #00aaff;
	background: url(img/year-light-right-icon.png) no-repeat center;
} */

/* .icon-year-to-right.icon-year-2019 { */
	/* color: #00aaff; */
	/* background: url(img/year-light-left-icon.png) no-repeat center; */
/* } */
.icon-year-to-right.icon-year-2019>div{
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	/*transform: rotateY(-180deg);*/
	/* background: url(img/year-light-right-icon.png) no-repeat center; */
	z-index: -1;
}
.icon-year-to-left.icon-year-2020>div{
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	background: url(img/icon-year-to-left.png) no-repeat center;
	z-index: 1;
}
.icon-year-to-left {
	margin-left: -90px;
	text-indent: 74px;
	background: url(img/year-default-left-icon.png) no-repeat center;
}
.icon-year-2015 {
	bottom: 450px;
}
.icon-year-2016 {
	bottom: 960px;
}
.icon-year-2017 {
	bottom: 1210px;
}
.icon-year-2018 {
	bottom: 1365px;
}
.icon-year-2019 {
	bottom: 1520px;
}
.icon-year-2020 {
	bottom: 1700px;
}
/*介绍*/
.course-div {
	position: absolute;
	padding: 32px 0 0 40px;
	border: 1px solid #eeeeee;
	width: 43.4%;
	background-color: #fafafa;
}
.course-div.special {
	/* border-color: #00aaff; */
	border-color: #05a1da;
}
.course-title {
	margin-bottom: 16px;
	font-size: 14px;
	color: #666;
}
.course-title:hover,.course-title:hover .course-big {
	color: #00aaff;
}
.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;
}
.course-pic {
	display: inline-block;
	margin:8px 0 0 60px;
	width: 150px;
	height: 100px;
	background-color: #ccc;
}
.course-pic-0 {
	height: 220px;
	background: url(img/trust_center_yun.jpg) no-repeat center;
	background-size: 100%;
}
.course-pic-1 {
	background: url(img/course-pic-01.png) no-repeat center;
}
.course-pic-2 {
	background: url(img/course-pic-02.png) no-repeat center;
}
.course-pic-3 {
	background: url(img/course-pic-03.jpg) no-repeat center;
}
.course-pic-4 {
	background: url(img/course-pic-04.jpg) no-repeat center;
}
/* 2020年 */
.course-div-2020 {
	bottom: 1645px;
    left: 0;
    height: 260px;
}
/* 2019年 */
.course-div-2019 {
	bottom: 1480px;
	right: 0;
	height: 210px;
}
/* 2018年 */
.course-div-2018 {
	bottom: 1250px;
	left: 0;
	height: 200px;
}
/*2017年*/
.course-div-2017 {
	bottom: 200px;
	right: 0;
	height: 1090px;
}
/*2016年*/
.course-div-2016 {
	bottom: 700px;
	left: 0;
	height: 350px;
}
/*2016年*/
.course-div-2015 {
	bottom: 184px;
	left: 0;
	height: 362px;
}