:root{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#382719;background:#fff7eb;font-synthesis:none;text-rendering:optimizeLegibility}
    *{box-sizing:border-box}
    body{margin:0;min-height:100svh;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at 15% 12%,#ffe0ae 0,transparent 34%),radial-gradient(ellipse at 88% 88%,#f9c979 0,transparent 34%),#fff7eb}
    main{width:min(100%,410px);padding:30px 26px 24px;background:#fffdf8;border:1px solid #ead3b2;border-radius:10px;box-shadow:0 18px 55px #8e4b1820}
    .mark{width:54px;height:54px;display:grid;place-items:center;border-radius:50%;background:#fff0d2;border:1px solid #edca8c;color:#b65a16;font-size:26px}
    .eyebrow{margin:20px 0 7px;color:#a85a20;font-size:11px;font-weight:750;letter-spacing:1px}
    h1{font-size:25px;line-height:1.3;margin:0;font-weight:780;color:#3b291b}
    .season{margin:6px 0 24px;color:#a85a20;font-size:14px;font-weight:650}
    label{display:block;margin:15px 0 6px;font-size:12px;font-weight:700;color:#60442e}
    input{width:100%;height:47px;padding:0 13px;border:1px solid #dfc7a5;border-radius:6px;background:white;color:#382719;font:inherit;font-size:15px;outline:none}
    input:focus{border-color:#d87823;box-shadow:0 0 0 3px #e8913326}
    .code{letter-spacing:5px;font-variant-numeric:tabular-nums}
    .actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
    button{height:46px;border-radius:6px;border:1px solid #c96719;background:#d97820;color:white;font:inherit;font-size:14px;font-weight:720;cursor:pointer}
    button.secondary{background:#fff6e7;color:#90501e;border-color:#e7cda9}
    button:disabled{opacity:.6;cursor:wait}
    #message{min-height:21px;margin:14px 0 0;color:#9c4a21;font-size:12px;line-height:1.6}
    .foot{border-top:1px solid #f0e3d1;margin-top:16px;padding-top:14px;color:#8a735e;font-size:11px;line-height:1.7}
    @media(max-width:400px){main{padding:25px 20px}.actions{grid-template-columns:1fr}}