#main_2{ padding:10px 0px 0px 0px;}
#list_l{ width:710px; height:auto; overflow:hidden; margin-left:7px;_margin-left:3px; float:left;}
#list_r{ width:250px; height:auto; overflow:hidden; margin-right:7px;_margin-right:3px;float:right;}
.list_li{ width:708px; margin:0 auto;border:1px solid #4CB709; height:auto; overflow:hidden;background-image:url(shi_t.jpg); background-repeat:repeat-x; margin-bottom:8px;}
.list_p{ margin:0px 10px; padding-bottom:10px; border-bottom:1px solid #CAEFC4;}
.li_t{ font-weight:bold; margin:7px 0px;}
.li_t a:link,.li_t a:visited{ color:#269C0A;}
.list_lib{ padding:6px 12px; line-height:20px;}
.NextPage {text-align: right;margin-top: 8px;margin-right: 8px}
.NextPage span{color:#F00;font-weight: bold}
能不能麻烦解释一下