body{font-family:Arial,sans-serif;max-width:1100px;margin:auto;padding:24px;background:#f7f8fb;color:#111}header{padding:40px 0}section{margin:40px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.card{background:#fff;padding:16px;border-radius:12px;border:1px solid #ddd}a{color:#2457FF;text-decoration:none}