body, p, h1, h2, h3, h4, h5, h6, dl, dd { 
	margin:0;
}
a { 
	text-decoration: none;
}
ol, ul { 
	list-style: none; 
	padding: 0; 
	margin: 0; 
}
img {
 	border: none;
}   

.roll { 
	width: 698px; 
	height: 108px; 
	margin: 50px auto 0; 
	position: relative; 
}
.left { 
	display: block; 
	width: 68px; 
	height: 68px; 
	background: url(image/btn.jpg) no-repeat -70px -69px; 
	position: absolute; 
	top: 20px; 
	left: 1px; 
	z-index: 1; 
}
.left:hover { 
	background: url(image/btn.jpg) no-repeat -70px 0; 
}
.right { 
	display: block; 
	width: 68px; 
	height: 68px; 
	background: url(image/btn.jpg) no-repeat 1px -69px; 
	position: absolute; 
	top: 20px; 
	right: 0; 
	z-index: 1; }
.right:hover { 
	background: url(image/btn.jpg) no-repeat 1px 0; 
}
.roll .wrap { 
	width: 546px; 
	height: 108px; 
	margin: 0 auto; 
	position: relative; 
	overflow: hidden;
}
.roll ul { 
	position: absolute; 
	top: 0; 
	left: 0; 
}
.roll li { 
	float: left; 
	width: 182px; 
	height: 108px; 
	text-align: center; 
}
.roll li a:hover { 
	position: relative; 
	top: 2px; }

