.大标题 {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 18px;
	font-weight: bold;
	text-align: center;
	line-height: 20px;
	color: #FF0000;
}
.大类 {
	font-family: "宋体";
	font-size: 16px;
	color: #0066FF;
	margin-left: 10px;
	line-height: 20px;
}