#explain{
	padding-top: 1rem;
	text-align: left;
	color: #4e4e4e;
	width: 90%;
	margin-left: 5%;
	font-size: 0.32rem;
}
.tit{
	text-align: center;
	font-size: 0.5rem;
	font-weight: 600;
	margin-top: 0.5rem;
	margin-bottom: 0.2rem;
}


#need{
	padding:  0.8rem;
	background: #eaeaea;
	color: #4E4E4E;
	font-size: 0.32rem;
}
#need .tit{
	margin-top: 0;
}
p.txt{
	text-indent: 28px;
}
#use ul{
	padding: 0.4rem 0;
}
#use li{
	float: left;
	width: 50%;
}
#use li .ico{
	box-sizing: border-box;
	width: 80%;
	margin-left: 10%;
	border: 4px solid #ddd;
	border-radius: 50%;
}
#use li .bg{
	width: 20%;
	margin-left: 40%;
	position: relative;
	bottom: 0.2rem;
}
#use li span{
	display: block;
	text-align: center;
	color: #787878;
	padding-bottom: 10px;
	font-size: 0.32rem;
}


#specialty li{
	float: left;
	width: 50%;
	text-align: center;
	height: 3.6rem;
	position: relative;
}
#specialty li img{
	width: 50%;
	transition: all 0.3s;
	-webkit-transition: all 0.3s;
	-ms-transition: all 0.3s;
	transform: scale(1);
}
#specialty li span{
	display: block;
	font-weight: 600;
	color: #4e4e4e;
	font-size: 0.36rem;
	
}
#specialty li .maskTxt{
	position: absolute;
	height: 45%;
	top: 0;
	left: 20%;
	width: 54%;
	color: #000;
	text-align: left;
	text-indent: 28px;
	padding: 5%;
	font-size: 14px;
	transition: all 0.3s;
	-webkit-transition: all 0.3s;
	-ms-transition: all 0.3s;
	transform: scale(0);
}
#specialty li:hover .maskTxt{
	transform: scale(1);
}
#specialty li:hover img{
	transform: scale(0);

}