@charset "utf-8";
/* CSS Document */

.top {
	height: 70px;
	width: 1920px;
	background-color: #FFF;
}
.ban {
	background-image: url(../images/banner.png);
	height: 940px;
	width: 1920px;
}
.b1 {
	height: 306px;
	width: 1920px;
	background-color: #999;
	background-image: url(../images/b1.jpg);
}
.b2 {
	height: 749px;
	width: 1920px;
	background-image: url(../images/b2.jpg);
}
.b3 {
	background-image: url(../images/b3.jpg);
	height: 857px;
	width: 1920px;
}
.b4 {
	background-image: url(../images/b4.jpg);
	height: 811px;
	width: 1920px;
}
.b1 iframe {
	position: relative;
	top: 318px;
}

.zu {
	background-image: url(../images/zu.jpg);
	height: 152px;
	width: 1920px;
}
.anniu {
	position: relative;
	z-index: 999;
	top: 230px;
}

.b3 img {
	position: relative;
	top: 120px;
}
.gonggao {
	height: 500px;
	width: 620px;
	position: relative;
	z-index: 99;
	left: 782px;
	bottom: 400px;
}
	#zhibo{
	float: left;
	width: 1220px;
	height: 620px;
	position: relative;
	margin-top: 20px;
	padding: 40px;
	background-repeat: no-repeat;
	background-position: left top;
	top: 280px;
	left: 308px;
}
