.course_header .wrop{
	background: url(../img/image/person_bg.png) no-repeat;
	background-size: cover;
	width:100%;
	height:250px;
	background-position: center;
}
.course_header ul{
	padding: 45px 0;
	width:876px;
	margin: auto;
}
.course_header ul li{
	margin-right: 189px;
	color:#ffffff;
	
}
.course_header ul li:nth-last-child(1){
	margin-right: 0;
}
.course_header ul li p{
	font-size:16px;
	margin-bottom: 16px;
}
.course_header .course_span p{
	width:90px;
	height:30px;
	line-height: 30px;
	cursor: pointer;
	text-align: center;
	border-radius:20px ;
	border:1px solid #ffffff;
	margin-bottom: 10px;
}
.header_line{
	width:100%;
	background: #D8D8D8;
	height:26px;
	line-height: 32px;
	text-align: center;
	cursor: pointer;
}
.header_line img{
	height:16px;
	width:20px;
}
.course_selection_content{
	background: #ffffff;
	padding: 30px 40px;
	padding-bottom: 50px;
	margin-bottom: 50px;
	min-height: 686px;
}
.course_selection_content .course_left img {
	width: 355px;
	height: 200px;
}
.course_right{
	margin-left: 28px;
	position: relative;
	margin-bottom: 40px;
}
.course_right h4{
	font-size:24px;
	margin-bottom: 15px;
}
.course_right ul{
	width:737px;
	height:143px;
	background: #F0F0F0;
	padding: 18px;
	
}
.course_right ul li{
	color:#666666;
	font-size:14px;
	margin-bottom: 10px;
}
.course_right ul li img{
	margin-right: 5px;
	vertical-align: middle;
}
.course_right .course_btn{
	position: absolute;
	width: 120px;
	height: 40px;
	background: #a90614;
	border-radius: 4px;
	color:#ffffff;
	line-height: 40px;
	font-size: 16px;
	text-align: center;
	right: 120px;
	top:100px;
	cursor: pointer;
}

.course_right .end{
	background: #b8b8b8;
	cursor: default;
}

.buy_line{
	padding:30px 0;
	padding-bottom: 15px;
	margin-left: 10px;
}
.buy_line span{
	width: 4px;
	height: 18px;
	background: #a90614;
	display: inline-block;
}
.buy_line i{
	height: 16px;
	font-size: 20px;
	color: #333333;
	margin-left: 10px;
	font-weight: 600;
}
.nav_line{
	border-top: 1px solid #F0F0F0;
}
.course_selection_nav .nav_p{
	font-size: 16px;
	line-height: 30px;
	margin-left: 26px;
}
.img_active {
    transform: rotate(180deg);
}