/*帮助中心*/
 
img { border:0px;}
.clr {clear:both}
a { color: #1b1b1b; text-decoration: none;}
a:hover { color: #ff0000; text-decoration: none;}

#main,#font { float:none; margin: 0 auto; width: 756px; clear:both; overflow:hidden;}
.left { float:left;} .right { float:right;}
li{ list-style:none;}

/* 头部&导航 */

/*公共属性*/
body, dl, dt, dd, ol, ul, pre, form, field, input, p, blockquote, th, td, h1, h2, h3, h4, h5, h6 { margin:0; padding:0; }