a{
  text-decoration: none;
}
header{
	width: 100%;
	margin: auto;
	height: 80px;
	position: fixed;
	top: 0;
	background: rgba(0,0,0,.5);
	z-index: 99;
}
.header-center{
	width:1200px; 
	line-height: 80px;
	margin: auto;
	height: 80px;
}
.header-center img{
	height:60px;
}
nav{
	float: right;
}
.logo{
	float: left;
}
nav ul li{
	float: left;
	padding: 0 24px;
}
nav ul li:hover > a{
	background: #008de7; 
	/*font-weight: bold;*/
	transition: all linear 500ms
}

nav ul li > a{
	color: white;
	padding: 4px 20px;
	border-radius: 50px;
}
/*nav ul li:nth-child(2) a{
	background: #008de7; 
}*/
.business-option{
	visibility: hidden;
	position: absolute;
	background: rgba(0,0,0,.5);
	text-align: center;
}
.business-option div{
	height: 40px;
	width: 100%;
	line-height: 40px;
	opacity: 0;
	transition: all linear 300ms;
	background: rgba(0,0,0,.5);
	padding: 0 12px;
}

nav ul li:nth-child(3):hover .business-option div{
	visibility: visible;
	opacity: 1;
}

.business-option div a{
	color: white;
}
.business-option div:hover{
	background:#369deb;
}
nav ul li:hover .business-option div:first-child{
	transition-delay: 0;
}
nav ul li:hover .business-option div:nth-child(2){
	transition-delay: 100ms;
}
nav ul li:hover .business-option div:last-child{
	transition-delay: 300ms;
}
.advantage img{
	width: 100%;
}
.advantage-title{
	text-align: center;
	margin-top:60px;
}
.advantage-title p{
	font-size: 40px;
	color: #008de7;
}
.advantage-title span{
	color: #969696;
	font-size: 20px;
	display: block;
	margin-top: 6px;
}
.advantage-center {
	width: 1200px;
	margin:auto;
}
.advantage-detail div{
	float: left;
	width: 340px;
	text-align: center;
	margin-left: 60px;
}
.advantage-detail div p{
	margin-top: 60px;
	font-size: 22px;
}
.advantage-detail{
	overflow: hidden;
	margin-top: 80px;
}
.advantage-detail div span{
	display: block;
	margin-top: 20px;
	font-size: 14px;
	line-height: 26px;
	letter-spacing: 1px;
}
.advantage-footer{
	text-align: center;
	margin: auto;
	margin-top: 66px;
	width: 100%;
	font-size: 13px;
	padding-top: 60px;
	border-top: 2px solid #bfbfbf;
	line-height: 30px;
	margin-bottom: 60px;
}
footer{
	background: #2c2f34;
	width: 100%;
	height:290px; 
	overflow: hidden;
}
.left-logo{
	float: left;
	text-align: center;
}
.footer-center{
	width: 1200px;
	margin: auto;
	margin-top: 30px;
	height: 100%;
}
.footer-list{
	width: 700px;
	float: right;
}
.footer-list ul{
	float: left;
	margin-left: 200px;
}
.footer-list a{
	color: #686c6f;
}
.footer-list ul:first-child{
	margin-left: 0;
}
.footer-list ul li:first-child{
	color: white;
	margin-bottom: 10px;
}
.footer-list ul li{
	line-height: 30px;
}
.companyfooter-name{
	color: #6e6f73;
	margin-top:5px; 
	font-size: 24px;
}
.number{
	margin-top:30px;
	color: #3d4047; 
	font-size: 18px;
}
.footer-bottom{
	clear: both;
	color: #6e6f73;
	border-top: 1px solid #3d4047;
	padding:10px 0;
}
.footer-bottom-left{
	float: left;
}
.footer-bottom-left{
	float: right;
}