@charset "utf-8";

.mainbox{
	width:1000px;
	height:610px !important;
	/height:820px !important;
	margin:-800px auto 0px;
	position:relative;
	z-index:2;
}

.mainbox > div{
	background-image:url(../img/index_alpher_img.png);
	text-align:center;
	padding:30px 0px 10px;
	margin:210px 0px 0px;
}

.entrance_bt{
	width:650px;
	margin:20px auto;
}

.entrance_bt a:hover{
	background-position:bottom;
}

.k18{
	margin:65px 20px 0px;
	float:left;
}

.enter_bt{
	width:278px;
	float:left;
}

.enter_bt a{
	display:block;
	width:278px;
	height:191px;
	background-image:url(../img/enter_bt.png);
	background-repeat:no-repeat;
}

.enter_bt_style1{
	padding:15px 0px 0px;
}

.enter_bt_style2{
	padding:60px 0px 0px;
}

.enter_bt_style3{
	padding:5px 0px 0px;
}

.enter_bt_style4{
	padding:5px 0px 0px;
}

.exit{
	letter-spacing:2px;
	margin:20px 0px 0px;
}

.exit a{
	text-decoration:underline;
}

.exit a:visited{
	text-decoration:underline;
}

.exit a:hover{
	text-decoration:none;
}