.focus-box {
	position: relative;
	margin: 0 auto;
	width: 100%;
	height: 317px;
	overflow: hidden
}

.focus-box .pic, .focus-box .pic li {
	margin: 0 auto;
	height: 317px;
	width: 100%;
	position: absolute
}

.focus-box .pic {
	z-index: 0
}

.focus-box .pic li {
	text-align: center
}

.focus-box .hd {
	position: absolute;
	bottom: 10px;
	width: 100%;
	text-align: center;
	font-size: 0;
	z-index: 1
}

.focus-box .hd li {
	background-color: #fff;
	border-radius: 10px;
	box-shadow: inset 1px 1px 3px #B3C3D0;
	height: 10px;
	width: 10px;
	margin: 0 5px;
	overflow: hidden;
	cursor: pointer;
	display: inline-block;
	zoom: 1
}

.focus-box .hd .on {
	background-color: #3279B9;
	box-shadow: inset 1px 1px 3px #EAEAEA
}

.focus-box .next, .focus-box .prev {
	position: absolute;
	top: 50%;
	width: 60px;
	height: 90px;
	margin: -60px 0 0;
	display: none;
	background: url(../../images/pc/temporary/ad_ctr.png) no-repeat;
	z-index: 10;
	cursor: pointer;
	text-indent: -9999px;
	filter: alpha(opacity = 20);
	opacity: .2
}

.article .section, .courses {
	margin-top: 20px
}

.focus-box .prev {
	left: 0
}

.focus-box .next {
	background-position: 0 -90px;
	right: 0
}

.focus-box .next:next, .focus-box .prev:hover {
	filter: alpha(opacity = 50) !important;
	opacity: .5 !important
}

.content {
	padding: 30px
}

.course-nav .nav-item {
	font-size: 20px;
	background-color: #3279B9;
	color: #fff;
	display: inline-block;
	text-align: center;
	width: 200px;
	line-height: 32px;
	border: 1px solid #3279B9;
	cursor: pointer
}

.course-nav .current {
	background-color: #fff;
	color: #3279B9
}

.article {
	color: #333
}

.article .section h2 {
	color: #3279B9;
	font-size: 20px;
	line-height: 35px
}

.article .section h3 {
	font-size: 18px;
	line-height: 35px
}

.article .section p {
	line-height: 25px
}

.courses-4 {
	overflow: hidden;
	margin-top: 40px
}

.courses-4 .item {
	float: left;
	width: 31%;
	margin-right: 3.3%
}

.courses-4 .item a {
	color: #333;
	text-indent: 1em
}

.courses-4 .item .caption {
	padding: 15px 0
}