body{
	width:100%;
	height:100%;
	overflow:hidden;
	margin:0;
	padding:0;
	background-color:#000000;
	font-family:"Microsoft YaHei"; font-size:13px;
	color:#fff;
}
a:link{
color:#FFF;
text-decoration:none;
}
a:visited {
color: #FFF;
text-decoration:none;
}
a:hover {
color: #f00;
text-decoration:underline;
}
.header{
	margin:0 auto;
	width:100%;
	height:640px;
	background-color:#000;
	position:relative;
	}
.header canvas {
	width:100%;height:auto/*默认全屏显示 可自己设置高度640px*/;
	display:inline-block;vertical-align:baseline
	position:absolute;
	z-index:-1;
	}
.logo{ text-align:center}	
.chaxun{
	width:370px;margin:0 auto;
	top:20%;
	left:0; right:0;
	position:absolute;
	z-index:20;
}
.input {
	padding:10px 10px;
	border:1px solid #157c9e;
	width:200px;
	font-size:1em;
	outline:0; background:none; color:#FFF
}
.submit{ 
	text-decoration:none; 
	background:url(nav_gv.png) repeat 0px 0px; 
	width: 130px; 
	height: 43px; 
	display: block; 
	text-align:center;		/*水平居中*/
	line-height:43px;  /*上下居中*/
	cursor:pointer;
	float:left;/*左浮动*/
	margin:8px 2px 8px 2px; color:#fff; font-size:16px; border:none
	}
.submit:hover { 
	background: url(nav_gv.png) repeat 0px -43px; 
	color:#1d7eb8;
	-webkit-box-shadow: 0 0 6px #1d7eb8;
	transition-duration: 0.5s;
}
.foot{ text-align:center; color:#1d7eb8; line-height:25px; margin-top:100px}
.foot a{color:#1d7eb8; font-weight:bold; margin:0 3px}