* {
	margin: 0;
	padding: 0;
}

a {
	text-decoration: none !important;
	color: black;
}

ul {
	list-style: none;
}

.big_box {
	width: 100%;
	height: 1000px;
}

.box {
	width: 1200px;
	height: 1000px;
	box-sizing: border-box;
	padding-top: 30px;
	margin: 0 auto;
}

.box_top {
	width: 1144px;
	background-color: #e7e7e7;
	height: 70px;
	padding-left: 56px;
	margin-bottom: 30px;
}

.title_ul {
	height: 70px;
	line-height: 70px;
}

.title_ul li {
	float: left;
	color: #6a6a6a;
	font-size: 20px;
	padding: 0px 26px;
	text-align: center;
}

.title_ul li:hover {
	color: white !important;
	background-color: #163474 !important;
	cursor: pointer;
}

/*楼层导航*/
.Floor_navigation {
	position: fixed;
	top: 20%;
	right: 40px;
	width: 80px;
	height: 290px;
	z-index: 1111;
}

.floor:hover {
	background-color: #163474;
	cursor: pointer;
}

.floor:nth-child(1) {
	background-color: #163474;
}

.floor {
	width: 80px;
	height: 70px;
	line-height: 70px;
	margin-bottom: 4px;
	background-color: #888888;
	text-align: center;
}

.floor img {
	vertical-align: middle;
}

.box_bottom {
	width: 1140px;
	height: 800px;
	padding: 24px 30px;
	background-color: #e7e7e7;
}

.bottom_dl {
	float: left;
	width: 285px;
	height: 250px;
	margin-bottom: 27px;
}

.bottom_dl:hover {
	background-color: #163474;
}

.bottom_dl:hover dt span {
	color: white !important;
}

.bottom_dl dd {
	padding: 4px;
	width: 277px;
	height: 195px;
}

.bottom_dl dd img {
	width: 100%;
	height: 100%;
}

.bottom_dl dt {
	width: 249px;
	padding: 0px 18px;
	height: 47px;
	line-height: 47px;
}

.bottom_dl dt span:nth-child(1) {
	height: 47px;
	line-height: 47px;
	float: left;
	color: #000000;
	font-size: 16px;
}

.bottom_dl dt span:nth-child(2) {
	height: 47px !important;
	line-height: 47px !important;
	float: right;
	color: #000000;
	font-size: 16px;
}

.bottom_dl:hover .update_a {
	color: white;
}

.zmc {
	width: 100%;
	height: 100%;
	position: fixed;
	background: rgba(0, 0, 0, 0.4);
	display: none;
	z-index: 9999;
}

.close {
	width: 30px;
	height: 30px;
	border-radius: 50%;
	position: absolute;
	top: 5%;
	right: 24%;
	background-image: url('../img/closeBtn.png');
	background-repeat: no-repeat;
	background-position: center;
	background-size: cover;
}

.close:hover {
	cursor: pointer;
}

.showimg {
	position: absolute;
	/* width: 50%;
	height: 40%;
	margin-left: 25%;
	margin-top: 10%; */
	width: 50%;
	height: 80%;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	margin: auto;
	z-index: 5000;
}

@media(max-width:980px){
	.big_box{
		width: 100%;
		height: 28rem;
	}
	
	.box{
		width: 100%;
		height: 100%;
	}
	
	.box_top{
		width: 100%;
		height: 2rem;
		padding-left: 0;
	}
	
	.title_ul{
		height: 2rem;
		line-height: 2rem;
	}
	
	.title_ul li{
		width: 16.6%;
		padding: 0;
	}
	
	.box_bottom{
		width: 100%;
		height: 88rem;
		box-sizing: border-box;
	}
}