body{
	margin: 0;
	padding: 0;
	overflow-x: hidden;
	font-family: "Microsoft YaHei";
	background: #efefef;
	
}
h1,h2,h3,p{
	margin: 0;
	padding: 0;
}
img{
	display: block;
}
ul,li,dl,dt,dd{
	list-style: none;
	margin: 0;
	padding: 0;
}
a{
	text-decoration: none;
}