.app_header{height:70px;width:980px;margin:0 auto;z-index:2;font-family:STHeiti,"Microsoft Yahei",Arial,SimSun,sans-serif}.app-header-identification-icon{display:inline-block;width:18px;height:18px;background-repeat: no-repeat;}.app_header_main{position:relative}.app-header-wrapper{position:relative;margin:0 auto}.app_header_main_background{background:#000;opacity:.6;position:absolute;filter:alpha(opacity=60);top:0;left:0;width:100%;height:100%}.app_header_avatar{padding:8px 0 0 20px;float:left}.app_header_avatar_img{width:50px;height:50px;border:2px solid #FFF}.app_header_title{float:left}.app_header_forum_name{color:#FFF;font-size:20px;float:left;padding:15px 0 0 10px}.app_header_forum_name .app_header_forum_name_href{color:#FFF}.app_header_focus_btn{float:left;margin:10px 0 0}.app_header_focus_btn a{text-decoration:none;font-size:20px;color:#FFF;line-height:30px}.app_header_focus_info{float:left;margin:15px 0 0}.app_header_title_top{height:45px}.app_header_title_main{margin-top:13px}.app_header_slogan{margin-left:10px;color:#FFF}.app_header_focus_info_focusnum,.app_header_focus_info_tienum{color:#FFF;margin-right:20px}.app_header_registration{float:right;color:#FFF;height:48px;width:176px;margin:10px 20px 0 0}.focus_btn{height:28px;float:left;margin-left:20px}.app_header_focus_btn .islike_focus{width:72px;background:url(//tb2.bdstatic.com/tb/img/frs_islike_a450e55.png) no-repeat top left;float:left;margin-top:4px;margin-right:15px}.app_header_focus_btn .islike_focus:hover{background-position:0 -36px}.app_header_focus_btn .islike_focus:active{background-position:0 -73px}.app_header .cancel_focus{width:130px;background:url(//tb2.bdstatic.com/tb/img/has_focus_btn_64411d5.png) no-repeat top left;float:left;margin-top:2px}.app_header .cancel_focus:hover{background-position:0 0}.app_header .cancel_focus:active{background-position:0 0}.card_title_fname,.card_num{float:left}.app_header .sign_box_bright,.app_header .sign_box_bright_hover,.app_header .sign_box_bright_signed,.app_header .sign_box_bright_noclass_hover{background-image:url(//tb2.bdstatic.com/tb/img/registration_btn_4a4fbaa.png);background-repeat:no-repeat;border-radius:4px}.app_header .sign_box_member_bright,.app_header .sign_box_member_bright_hover,.app_header .sign_box_member_bright_signed,.app_header .sign_replenish_member_signed_tip{background-image:url(//tb2.bdstatic.com/tb/img/sign_btn_member_cfe880f.png);background-repeat:no-repeat;border-radius:4px}.app_header .sign_box_member_bright{background-position:0 0}.app_header .sign_box_member_bright_hover{background-position:0 -50px}.app_header .sign_box_member_bright_signed{background-position:0 -100px}.app_header .sign_box_bright_hover{background-position:0 -50px}.app_header .sign_box_bright_signed{background-position:0 -100px}.app_header .sign_today_date,.app_header .sign_month_lack_days{color:#EEE}.app_header_entertain{position:absolute;z-index:2;top:8px;left:600px}.cooperative_operation{position:fixed}.cooperative_operation img{display:block;position:fixed;top:204px;right:50%;margin-right:490px;z-index:10;width:90px}.app-header-identification-icon{background-position:0px 0px}.app-header-identification-icon{background-image: url(//tb2.bdstatic.com/tb/img/app_forum_header_z_9f03859.png)}