:root{--bg:#f6f3ec;--panel:#fffdfa;--ink:#17211f;--muted:#5d6863;--line:#d8d2c6;--accent:#e2b53d;--accent-strong:#b66d18;--green:#1f7a55;--blue:#275f8f;--red:#a93a2f;--shadow:0 14px 40px rgba(23,33,31,0.08)}*{box-sizing:border-box}html{color-scheme:light}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.site-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);background:rgba(246,243,236,.96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.topbar-inner{max-width:1240px;margin:0 auto;padding:14px 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