.app-group li b{
	font-weight: bold;
}
.app-group li .item h4{
	padding:0 15px;
	width: 180px;
	border: 1px dashed #aaa;
	border-radius: 25px;
	margin-top: 20px;
	margin-bottom: 10px;
}

.pa_sh .app-group li:nth-child(1){
	background: url(../images/i-app01.png) no-repeat left top;
}
.pa_sh .app-group li:nth-child(2){
	background: url(../images/i-app02.png) no-repeat left top;
}
.pa_sh .app-group li:nth-child(3){
	background: url(../images/i-app03.png) no-repeat left top;
}