#banner{
	width: 100%;
}
#banner img{
	display: block;
	width: 100%;
	border:none;
}
#sale h2{
	font-size: 35px;
	line-height: 35px;
	font-family: Arial,Arial Black,"黑体";
	padding-top: 50px;
	text-align: center;
}
#sale{
	padding-bottom: 60px;
}
#sale ul{
	width: 515px;
	margin: 35px auto;
	height: 195px;
}
#sale ul>li{
	float: left;
	width: 203px;
	height: 203px;
	margin-right: 75px;
	position: relative;
}
#sale ul li > a{
	width: 165px;
	height: 165px;
	position: absolute;
	left: 19px;
	top: 19px;
	display: block;
}
#sale ul li a.ns{
	background: url(../images/company_s.png) no-repeat  0 0;
}
#sale ul li a.ns:hover{
	width: 203px;
	height: 203px;
	left: 0;
	top: 0;
	background: url(../images/company_m.png) no-repeat  0 0;
}
#sale ul li a.gy{
	background: url(../images/company_s.png) no-repeat  -268px 0;
}
#sale ul li a.gy:hover{
	width: 203px;
	height: 203px;
	left: 0;
	top: 0;
	background: url(../images/company_m.png) no-repeat  -268px 0;
}
#sale ul li a.sq{
	background: url(../images/company_s.png) no-repeat  -533px 0;
}
#sale ul li a.sq:hover{
	width: 203px;
	height: 203px;
	left: 0;
	top: 0;
	background: url(../images/company_m.png) no-repeat  -533px 0;
}
#sale ul li a.zd{
	background: url(../images/company_s.png) no-repeat  -804px 0;
}
#sale ul li a.zd:hover{
	width: 203px;
	height: 203px;
	left: 0;
	top: 0;
	background: url(../images/company_m.png) no-repeat  -804px 0;
}