:root{--bg:#f6f8fa;--card:#fff;--muted:#6b7280;--accent:#2563eb;--accent-2:#06b6d4;--max-w:900px;--radius:12px;--gap:18px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial}body{background:var(--bg);color:#0f172a;margin:0;padding:40px 16px;-webkit-font-smoothing:antialiased}.wrap{max-width:var(--max-w);margin:0 auto}.card{background:var(--card);border-radius:var(--radius);box-shadow:0 6px 20px rgba(15,23,42,.06);padding:28px}header{gap:16px;margin-bottom:20px}.logo,header{display:flex;align-items:center}.logo{width:68px;height:68px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent-2));justify-content:center;color:#fff;font-weight:700}.logo,h1{font-size:20px}h1{margin:0}.section{margin-top:20px}.section h2{margin:16px 0 8px;font-size:16px;color:var(--accent)}.intro{line-height:1.7;color:#0f172a;margin:6px 0}