.help_lei td { width:96px; height:26px; background-image:url(../images/reg_box.gif);} 
.news_bk { width:718px; border:solid 1px #CCCED2; margin-bottom:5px; margin-top:10px; text-align:left;}
.news_bk_pic { width:718px; height:60px; background-image:url(../images/askbig.gif);}

.bookbig { clear:both; border:solid 1px #DDDDDD; width:650px; margin:5px auto; padding:5px;}
.book_1 { width:640px; line-height:25px; text-align:left; word-break: break-all; word-wrap:break-word; color:#666666; }
.book_2 { width:640px; border-top:dotted 1px #FFCA96; line-height:25px; text-align:left; word-break: break-all; word-wrap:break-word;}