* {
	padding: 0;
	margin: 0
}

.banner {
	width: 100%;
	height: 835px;
	font-size: 0;
	overflow: hidden;
	position: relative
}

.banner_img {
	width: 100%;
	height: 1004px;
	position: absolute;
	left: 0;
	top: 0
}

	.banner_img li {
		width: 100%;
		height: 905px;
		display: inline-block;
		background-position: center;
		background-repeat: no-repeat;
		float: left;
		list-style: none
	}

.banner_list {
	height: 36px;
	top: 769px;
	position: relative;
	margin: 0 auto;
	z-index: 1
}

	.banner_list span {
		display: block;
		cursor: pointer;
		width: 14px;
		height: 14px;
		border-radius: 50%;
		border: 3px solid #555;
		float: left;
		margin: 0 5px
	}

	.banner_list .spcss {
		border: 3px solid #9acd32
	}

.banner_left {
	position: absolute;
	height: 90px;
	width: 60px;
	top: 50%;
	left: -60px;
	background-color: rgba(73,72,62,.6);
	margin-top: -45px;
	text-align: center;
	transition: all .5s;
	z-index: 2
}

	.banner_left:hover {
		background-color: rgba(73,72,62,.9)
	}

.banner_right {
	position: absolute;
	height: 90px;
	width: 60px;
	top: 50%;
	right: -60px;
	background-color: rgba(73,72,62,.6);
	margin-top: -45px;
	text-align: center;
	transition: all .5s;
	z-index: 2
}

	.banner_right:hover {
		background-color: rgba(73,72,62,.9)
	}

.banner_left img {
	margin-top: 22px
}

.banner_right img {
	margin-top: 22px
}