*{padding:0px;margin:0px;}

ul,li{list-style: none}

a{text-decoration: none;color:#666;}

body,html{height: 100%;font-family: 微软雅黑}

body{width: 100%;max-width: 640px;margin:0px auto;background: #f6f6f6;font-size:14px;}

.clear{clear:both;}





/* footer */

.footer{

	width: 94%;

	background: #1b1b1b;

	padding: 20px 3%;

	color: #fff;

	

}

.footer .footer_left{

	width: 65%;

	line-height: 25px;

	float: left;

}

.footer .footer_left p a{

	color: #fff;

}

.footer .footer_right{

	width: 35%;

	float: left;

	font-size: 12px;

	text-align: center;

}

.footer .footer_right img{

	width: 100%;

}



.back_btn{

	position: fixed;

	right: 0px;

	bottom: 20px;

	width: 60px;

}

.back_btn a{

	display: block;

	line-height: 45px;

	background: #ccc;

	text-align: center;

font-size:14px;

	

}