.kb_l{ width:758px; float:left; border:#ddd solid 1px; border-top:#2291dc solid 2px; overflow:hidden;}
.kb_l_tit{ font-size:24px; color:#333; line-height:62px; margin-top:20px; text-align:center;}
.ly{ width:770px;  border-bottom:#ddd solid 1px; margin:0 auto; line-height:32px; color:#888; overflow:hidden;}
.ly_l{ float:left; width:220px;}
.ly_m{ width:auto; text-align:center;}
.ly_r{ color:#686868; float:right;}
.z_01{ font-size:16px; color:#333;}
.z_02{ font-size:14px; color:#333; }
.z_03{ font-size:12px; color:#333;}

.kb_nr{ width:770px; margin:20px auto; line-height:28px; color:#666;font-size:14px;}