:root{--bg:#ffffff;--fg:#0f172a;--b:#e2e8f0}
.nfc-engine{max-width:1100px;margin:1.25rem auto;padding:1.25rem;border:1px solid var(--b);border-radius:16px;font-size:1.18rem}
.nfc-table{width:100%;border-collapse:collapse} .nfc-table th,.nfc-table td{border:1px solid var(--b);padding:.6rem;text-align:center}