:root{--bg:#f4f6fa;--surface:#ffffff;--ink:#161c28;--muted:#687085;--line:#e4e8f0;--accent:#5aa23a;--accent-ink:#437f2c;--navy:#3d4c70;--gold:#c8a012;--ok:#5aa23a;--brand-green:#6cb04e;--brand-yellow:#f3d24a;--warn:#d9822b;--danger:#e5484d;--radius:12px;--shadow:0 1px 2px rgba(20,30,60,0.06),0 6px 20px rgba(20,30,60,0.05)}*{box-sizing:border-box}body,html{padding:0;margin:0}body{font:15px/1.6 system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}a{color:var(--accent-ink);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.25}.nav{display:flex;gap:18px;padding:10px 24px;background:var(--surface);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:20}.brand,.nav{align-items:center}.brand{display:inline-flex}.brand:hover{text-decoration:none}.brand-logo{height:36px;width:auto;display:block}.nav .links{display:flex;gap:14px}.nav .links a{color:var(--muted);font-weight:600}.nav .links 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