.letterClass{
	/* border: #cccccc 1px solid; */
	border-radius:7px;
	
	width:13.5%;
	display: inline-block;
	height:500px;
	margin-left:4%;
	position: absolute;
	margin-top:195px;
	/* top: 0; */
}
.yun{
	margin:10px 0px;
}
.yun a{
	color: #333;
	font-size:17px;
	border-bottom:1px solid #fff;
}
.yun a:hover{
	color:#144683;
	border-bottom:1px solid #3059a6;
}
.why1{
	padding:8px 0px;
	color:#999999;
	line-height: 22px;
	text-indent: 2em;
	/* display: block; */
}