:root{--bg:#f5f7fb;--card:#fff;--ink:#142033;--muted:#667085;--line:#dbe3ef;--blue:#1d4ed8;--blue2:#2563eb;--green:#15803d;--greenbg:#dcfce7;--red:#b91c1c;--redbg:#fee2e2;--amber:#b45309;--shadow:0 8px 28px rgba(15,23,42,.07)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.wrap{width:min(1180px,calc(100% - 32px));margin:auto}.narrow{max-width:760px;padding-top:40px}.topbar{position:sticky;top:0;z-index:20;background:#0f172a;color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.12)}.topbar-inner{height:62px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;color:#fff;text-decoration:none}.topbar nav{display:flex;gap:18px}.topbar nav a{color:#dbeafe;text-decoration:none}.hero{padding:48px 0 26px;display:flex;align-items:end;justify-content:space-between;gap:20px}.hero.compact{padding-top:28px}.hero h1,.exam-head 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