/**********/
.choose{
	font-size:20px;
	font-weight:bold;
	font-family:'微软雅黑';
	color:#000;
}
.choose h1{
	font-size:20px;
	display:inline;
}
/*设备图片*/
#demo1 li{
	border:1px solid #ddd;
	padding:5px;
	text-align:center;
}