header {
    position: fixed;
}
.slide_banner img {
	width:100%;
}
.wrap {
	width:1200px;
	margin:0 auto;
}
.mainh1 {
	text-align:center;
	font-size:36px;
	font-weight:900;
	padding:50px 0 30px;
}
.top8 {
	border-collapse:collapse;
}
.top8 tr td {
	border:1px solid #ccc;
}
.top8 tr td img {
	margin:-1px;
}

.about {
	width:100%;
	margin:0 auto;
}
.aboutbg {
	background-image:url(../images/aboutbg.jpg);
	height:800px;
}
.aboutbox {
	width:1200px;
	margin:0 auto;
}
.aboutbox table {
	padding-top:20px;
}

.dot {
	background-image:url(../images/dotbg.jpg);
	width:100%;
	text-align:center;
}
.dot img {
	margin-right:50px;
	padding:30px 0;
}