/*---本CSS仅属于全局结构样式---*/
/*---通用设置---*/
html,body{ font-size: 12px; font-family: Verdana; line-height: 18px; background-image: url(../gif/bg.gif); }
/*---头---*/
#nav { background-image: url(../gif/headerbg.gif); height: 168px; width: 1004px; position: relative; visibility: visible; }
#logo { height: 79px; width: 231px; left: 28px; top: 47px; position: absolute; visibility: visible; }
#topnav {height: auto; width: auto; top: 3px; position: absolute; right: 30px; visibility: visible; }
#mainbav{ font-weight: 700; height: auto; width: auto; left: 330px; top: 75px; position: absolute; visibility: visible; }
#column { height: 16px; width: auto; position: absolute; left: 12px; bottom: 8px; visibility: visible; }
/*---主页面---*/
#main{ background-image: url(../gif/bg.jpg); background-repeat: repeat-y; position: relative; width: 1004px; overflow: hidden; visibility: visible; }
/*---左边栏---*/
#left { position: relative; left: 21px; width:250px; visibility: visible; float:left;  border-top: 2px dotted #ccc; }
/*---主页中间栏---*/
#middle { position: relative; left: 39px; width:482px;   float:left;  border-top: 2px dotted #ccc; }
/*---主页右边栏---*/
#right { position: relative; left: 56px; width:195px;  float:left;  border-top: 2px dotted #ccc; }
/*---附页右边栏---*/
#rightmain { width: 694px; left: 39px; position: relative; visibility: visible; border-top: 2px dotted #ccc; }
/*---尾---*/
#footer { background-image: url(../gif/footerbg.gif); height: 104px; width: 1004px; position: relative; visibility: visible; }
#subnav { color: #000; font-size: 11px; font-family: Verdana; height: 13px; width: 100%; top: 6px; position: absolute; visibility: visible; }
#copyright { color: #666; font-size: 11px; font-family: Verdana; height: auto; width: 795px; top: 25px; position: absolute; visibility: visible; }