.office-tab ul{
	width: 1198px;
	height: 52px;
	margin: 0 auto;
	position: relative;
	padding-left: 0;
}
.office-tab li{
	float: left;
	text-align: center;
	line-height: 50px;
	height: 50px;
	list-style: none outside none;
	width: 12.5%;
}
.office-tab .tab-item{
	line-height: 50px;
	height: 50px;
	font-size: 20px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: rgba(51,51,51,1);
	opacity: 1;
}
.sub-category {
	width:100%; position:absolute;top:49px; left:0px; z-index:99; display:none; opacity:0.95;
}
.sub-category-link {
	display:block; width:100%; height:40px;line-height:40px; text-align:center; background-color:#ffffff;
}
.sub-category-link:hover {
	background-color:#f1f1f1;
}