@charset "UTF-8";
/* CSS Document */
*{
	margin:0;
	padding:0;
	list-style:none;
}
.clearfix{
	clear:both;
}
.banner_box{
	position:relative;
	margin:auto 0;
	overflow:hidden;
	width:100%;
	height:450px;
}
img{
	display:block;
	margin:0 auto;
	padding:0;
}
.left_arrow{
	width:20px;
	height:60px;
	background-color:black;
	position:absolute;
	top:50%;
	left:10%;
}
.right_arrow{
	width:20px;
	height:60px;
	background-color:black;
	position:absolute;
	top:50%;
	right:10%;
}
.banner_btn{
	width:80px;
	position:absolute;
	bottom:10%;
	left:50%;
	margin:-40px;
}
.banner_btn li{
	width:15px;
	height:15px;
	border-radius:50%;
	background-color:blue;
	float:left;
	margin:0 5px;
	cursor:pointer;
}
.banner_btn .current{
	background-color:white;
}