*{
	margin: 0;
	padding: 0;
	text-decoration: none;
	list-style: none;
	color: #333;
	font-family: "微软雅黑";
}
img{
	border: none;
}
.hide{
	display: none;
}

/*头部结束*/
/*主体开始*/

.sec_out{
	position: relative;
}
.zgxj{
	width: 305px;
	height: 285px;
	position: absolute;
	left: 54%;
	margin-left: -152.5px;
	top: 47%;
	margin-top: -142.5px;
}