:root{--bg:#f6f8f9;--surface:#ffffff;--surface-2:#f0f4f5;--border:#dbe3e6;--text:#10242a;--muted:#5b6f76;--primary:#0d5b63;--primary-dark:#094048;--primary-soft:#e2f0f1;--critical:#b91c1c;--high:#c2410c;--medium:#a16207;--low:#4d7c0f;--radius:12px;--shadow:0 1px 2px rgba(16,36,42,0.06),0 4px 16px rgba(16,36,42,0.06);--maxw:960px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--border);background:var(--surface)}.site-header .container{display:flex;align-items:center;justify-content:space-between;height:60px}.brand{font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--text)}.brand 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