:root{font-family:Inter,"Microsoft YaHei",sans-serif;color:#161823;background:#f5f6f6}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center}.card{width:min(440px,calc(100vw - 32px));padding:32px;border-radius:16px;background:#fff;box-shadow:0 16px 48px rgba(22,24,35,.12)}h1{margin:0 0 8px;font-size:24px}p{margin:0 0 24px;color:#737373;line-height:1.6}.field{display:grid;gap:8px;margin:16px 0;color:#545a5c;font-size:14px}input{height:44px;padding:0 12px;border:1px solid #dfe2e2;border-radius:8px;font:inherit}button{width:100%;height:44px;border:0;border-radius:8px;color:#fff;background:#009995;font:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.secondary{margin-top:12px;color:#008f8b;background:#e5f4f3}.error{min-height:22px;color:#d33b4c;font-size:13px}.device{padding:10px 12px;border-radius:8px;background:#f5f5f5;color:#737373;font:12px ui-monospace,monospace;word-break:break-all}