*{
  margin:0;
  padding:0;
}
body{
   background:#E3F2F9;
   width:1000px;
   margin:0 auto;
   font-size:18px;
}
img{
   border:none;
}
ul{
  list-style-type:none;
}
a{
  text-decoration:none;
}
/*................ͷ���� ��ʼ......................*/
#header{
  width:1000px;
  height:190px;
  background:url(header_essay20121015.png) no-repeat;
}

/*................ͷ���� ����......................*/

/*...............�������� ��ʼ......................*/
#nav{
  width:1000px;
  height:54px;
  background:url(nav_essay20121015.png) no-repeat;
  _margin-top:-6px;
}
#nav{
	width: 1000px; float: left; 
}
#nav ul li{
   width:90px;
   height:44px;
   float:left;
   text-align:center;
}
#nav A {
	font-weight: bold;color:#fff;
}
#nav .father {
	line-height: 30px; margin-top:10PX; width: 1000px;  height: 30px; font-size: 18px;}
#nav .father LI {
	text-align: center; width: 85px; float: left; height: 30px;margin-left:4px;
	_margin:0;
	_padding-left:2px;
}

#nav .father .child {
	position: relative; line-height: 30px; width: 88px; display: block; height: 30px; overflow: hidden;border:none
}
#nav .father .child:hover {
	overflow: visible;
}
#nav .father .child span {
	position: absolute; width: 88px; display: block; top: 30px; left: -5px
}
#nav .father .child span a{
 color:#000;
 font-weight:100;
 font-size:16px;
}
#nav .father .child span table{
	margin: -1px; width: 88px; 
}
#nav .father .child span table ul li {
	width: 88px; background:#63c7f2; height: 24px;font-size:16px;text-align:center;
}
#nav .father .child span table a {
	linr-height: 24px; width: 88px; display: block; height: 24px;
}
#nav .father .child span table a:hover {color:#fff;background:#00f;
}



/*................�������� ����......................*/

/*................content���� ��ʼ......................*/
#content{
  width:1000px;
  min-height:570px;
  margin:0 outo;
  background:#fff;
}
#content .sj{
	  width:1000px;
	  height:70px;
	  background:#F5FAFF;
	}
#content .sj a:hover{
	 color:#F0F;
	}
		 
/*................footer���� ��ʼ......................*/
#footer{
  width:1000px;
  height:80px;
  background:#42ADC4;
  padding-top:10px;
  clear:both;
}

/*................footer���� ����......................*/