.topic_container{background-color:#FFF;width:270px}.topic_container .topic_header{background:#FAFAFA;color:#888;padding:10px 20px 5px;font-size:14px}.topic_container .topic_loading{text-align:center;padding:10px;color:#666}.topic_container .topic_list_box{border-top:1px solid #f2f2f2}.topic_container .topic_list_box .topic_list_title{font-weight:700;padding:10px 10px 5px 20px}.topic_container .topic_list_box .topic_list{padding:0 0 5px}.topic_container .topic_list_box .topic_list .topic_item{padding:5px 20px;color:#666;cursor:pointer}.topic_container .topic_list_box .topic_list .topic_item:hover{background:#f2f2f2}.topic_container .topic_list_box .topic_list .topic_item .topic_flag_hot{background:#FF7F42;color:#FFF;padding:1px 4px;margin-right:10px}.topic_container .topic_list_box .topic_list .topic_item .topic_flag{margin-right:3px;display:inline-block;text-align:right;width:14px;padding:1px 4px;position:relative;right:7px}.topic_container .topic_list_box .topic_list .topic_item .topic_name{white-space:nowrap;text-overflow:ellipsis;-o-text-overflow:ellipsis;overflow:hidden;display:inline-block;width:60%;vertical-align:middle}.topic_container .topic_list_box .topic_list .topic_item .topic_num{color:#999;float:right}