MRBS 1.12.2 等保2.0二级整改完整提交

包含：登录失败锁定、90天密码有效期、30分钟会话超时、
强制改密、登录审计日志、屏幕水印、企业背景图、
备案信息固定底部、favicon、JS空集合保护、
会话过期体验优化（403 JSON）、display_errors 关闭、
固定 key 根治 Integrity check failed 等全部改动

注意：config.inc.php/.htaccess/.user.ini 含敏感信息，
通过 .gitignore 排除，勿推送到公开仓库。

tzurl/zoneinfo/Australia/Lindeman.ics

@@ -0,0 +1,62 @@
+BEGIN:VCALENDAR
+PRODID:-//tzurl.org//NONSGML Olson 2025c//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:Australia/Lindeman
+LAST-MODIFIED:20251211T094730Z
+TZURL:https://www.tzurl.org/zoneinfo/Australia/Lindeman
+X-LIC-LOCATION:Australia/Lindeman
+X-PROLEPTIC-TZNAME:LMT
+BEGIN:STANDARD
+TZNAME:AEST
+TZOFFSETFROM:+095556
+TZOFFSETTO:+1000
+DTSTART:18950101T000000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:AEDT
+TZOFFSETFROM:+1000
+TZOFFSETTO:+1100
+DTSTART:19170101T020000
+RDATE:19420101T020000
+RDATE:19420927T020000
+RDATE:19431003T020000
+RDATE:19711031T020000
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:AEST
+TZOFFSETFROM:+1100
+TZOFFSETTO:+1000
+DTSTART:19170325T030000
+RDATE:19720227T030000
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:AEST
+TZOFFSETFROM:+1100
+TZOFFSETTO:+1000
+DTSTART:19420329T030000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU;UNTIL=19440325T160000Z
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:AEST
+TZOFFSETFROM:+1000
+TZOFFSETTO:+1000
+DTSTART:19710101T000000
+RDATE:19920701T000000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:AEDT
+TZOFFSETFROM:+1000
+TZOFFSETTO:+1100
+DTSTART:19891029T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=19931030T160000Z
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:AEST
+TZOFFSETFROM:+1100
+TZOFFSETTO:+1000
+DTSTART:19900304T030000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=1SU;UNTIL=19940305T160000Z
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR