*{ padding:0; margin:0;}
ul{ list-style:none}
.Ad_pic{ width:601px; height:266px; border:1px solid #ccc; background-color:#fff;  padding-left:5px  }

.big_pic{ float:left; width:458px; padding-top:5px}
.big_pic img{ height:300px; width:450px;}

#text_list{ padding:15px 0px 0px 15px}
#text_list .Text_info{display:block}
#text_list li{display:none;padding-top:5px; line-height:22px; font-size:14px}
.Nav_pic{ float:left; margin-left:5px; margin-right:5px;padding-top:5px; width:125px; }
.Nav_pic img{ height:60px; width:125px; cursor:pointer; padding:1px; border:1px solid #ccc;}
.Nav_pic li{ margin:3px 0px; }
#img_list{position:absolute;z-index:10}
.screen_list{height:230px; width:450px; overflow:hidden; position:relative; z-index:100}
.clear{clear:both}