nav a:nth-child(3){
	border-bottom: 2px solid white;
}
/*案例*/
.classic:after{
	clear: both;
	content: ".";
	display: block;
	height: 0;
	width: 0;
	visibility: hidden;
}
.case{
	width: 140px;
	height: 460px;
	margin: 30px 0 10px 0px;
	border-radius: 3px;
	border: 1px solid #EEB316;
}
.case p{
	width: 140px;
	height: 30px;
	border-radius: 3px 3px 0 0;
	text-align: center;
	line-height: 30px;
	background-color: #EEB316;
	font-size: 16px;
	font-weight: bold;
	color: white;
}
.case div{
	width: 140px;
	height: 60px;
	margin-top: 15px;
	border-radius: 0 0 3px 3px;
	background-color: #EEB316; 
}
.case ul li{
	height: 35px;
	text-align: center;
	font-size: 13px;
	line-height: 35px;
	color: white;
}
.case ul li:last-child{
	margin-top: 5px;
}
.case ul .oli{
	color: #F5C201;
	font-weight: bolder;
	background-color: white;
}
.case ul li:hover{
	cursor: pointer;
	color: #F5C201;
	font-weight: bolder;
	background-color: white;
}
#case-pictures{
	width: 700px;
	float: left;
	margin: -440px 0 28px 400px;
	text-align: center;
}
#case-pictures span{
	font-size: 15px;
	font-weight: bold;
	color: #F5C201;
}
#case-pictures div{
	position: relative;
	display: none;
}               width:530px;  
#case-pictures div img{
	display: block;
	width: 630px;
	margin: 15px auto;
}
.fd{transition:all 0.2s linear;}
.fd:hover{transform:scale(2.5);
transition: all 0.2s liear;}