.c1 {

	font-family: "Arial", "Helvetica", "sans-serif";

	font-size: 12px;

	font-weight: normal;

}

.cb {

	font-family: "Arial", "Helvetica", "sans-serif";

	font-size: 12px;

	font-weight: bold;

	color: #000000;

}

.cb2 {

	font-family: "Arial", "Helvetica", "sans-serif";

	font-size: x-small;

	font-weight: bold;

	text-decoration: underline;

}

.c2 {

	font-family: "Arial", "Helvetica", "sans-serif";

	font-size: 14px;

}

.BT {
	font-family: "Arial", "Helvetica", "sans-serif";
	font-size: 16px;
	font-weight: bold;
	color: #000066;
	text-decoration: underline;
}
.wbt {
	font-family: Verdana, Geneva, sans-serif;
	font-size: 16px;
	font-weight: bold;
	color: #FFF;
}

/*下拉菜单样式*/

*{margin:0;padding:0;border:1;}

#div_center { width:600px; height:24px; margin-left: auto;margin-right:auto; margin-top:10px;}  /*定义总体宽度、高度；background:003399; 控制背景颜色,居中对齐*/

#nav { line-height: 20px; list-style-type: none; margin-top:5px;}         /*控制一级菜单行高；上边距5px；*/

#nav a { display: block; width: 90px; text-align:center; font-size:12px;} /*一级菜单链接总体样式：每个菜单的宽，居中对齐，文字大小*/

#nav a:link  { color:#FFF; text-decoration:none;margin:0;}     /* 未访问的链接 */

#nav a:visited  {color:#FFF;text-decoration:none;margin:0;}    /* 已访问的颜色 */

#nav a:hover {

	text-decoration:none;

}                /* 鼠标在链接上 */

#nav li {float: left;

margin-left:0px;

border-left-width: 1px; 

 border-left-style: solid;

 border-left-color:#FFFFFF; }

                   /* 一级菜左对齐 */

#nav li a:hover{

}     /* 鼠标在一级菜单上改变其背景色 */

#nav li ul {

	line-height: 24px;

	background:#B7C257;

	list-style-type: none;

	text-align:left;

	left: -999em;

	width:91px;

	position: absolute;

	border-width: 1px;

	border-top-style: none;

	border-right-style: none;

	border-bottom-style: none;

	border-left-style: none;

	border-color: #003399;

	padding:0px;

	color: #C90;

}             /*二级菜单总体样式：行高24px；背景颜色；外框宽度；相对位置；边框一个象素，上边没样式，左右下边实线，边框颜色#003399；内边距1个象素*/

#nav li ul a{display:block; height:25px; width: 90px;text-align:center; margin-top:250px;}                 /* 二级菜单链接样式；背景宽度、左对齐，左缩进2 */

#nav li ul a:link  {

	color:#728740;

	text-decoration:none;

}                                   /* 未访问的链接 */

#nav li ul a:visited  {

	text-decoration:none;

}                                 /* 已访问的链接 */

#nav li ul a:hover  {

	background-color:#728740;

	color: #FFF;

	text-decoration:none;

	font-weight:normal;

	font-color:#728740;

}/* 鼠标在链接上 */

#nav li:hover ul {

	left: auto;

}

#nav li.sfhover ul {left: auto;}

#content {clear: left;}