#banner {
	margin-bottom: -10px
}

#carousel {
	position: relative;
	z-index: 2;
	margin-top: 20px;
	transform-style: preserve-3d;
	perspective: 800px;
	height: 300px;
}

#carousel img {
	position: absolute;
	left: 50%;
	top: 50%;
	margin-left: -252px;
	transition: transform .5s ease-in-out;
	box-shadow: 8px 8px 20px rgba(0, 0, 0, .2);
	cursor: pointer
}

#bannerNav {
	position: relative;
	margin-top: 20px;
	height: 30px;
	padding: 10px 0;
	text-align: center
}

#bannerNav ul li {
	cursor: pointer;
	overflow: hidden;
	display: inline-block;
	width: 22px;
	margin: 0 2px
}

#bannerNav ul li a {
	margin: 0 auto;
	display: block;
	width: 6px;
	height: 6px;
	vertical-align: top;
	border-radius: 3px;
	background: #5e6671;
	font-size: 0
}

#bannerNav ul li.on a, #bannerNav ul li:hover a {
	background: #00aeff
}

#bannerNav ul li.on a {
	width: 20px
}

/* #carousel {
	height: 360px
}

#carousel img {
	width: 640px;
	border-radius: 10px;
	opacity: 0;
} */

.slide_explore {
	height: 360px
}

.slide_explore img {
	width: 640px;
	border-radius: 10px;
	opacity: 0;
}

.slide_teacher {
	height: 380px;
}

.slide_teacher img {
	width: 380px;
	height: 380px;
	border-radius: 10px;
	opacity: 0;
}