:root{--bg:#f5ead7;--ink:#372519;--muted:#7b604c;--red:#982c22;--gold:#b88a3b;--card:#fff8eb}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans CJK SC","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top,#fff6e8,var(--bg));color:var(--ink)}.page{max-width:960px;margin:0 auto;padding:28px 18px 56px}.hero{position:relative;border:2px solid rgba(184,138,59,.45);border-radius:28px;padding:34px;background:linear-gradient(135deg,#fff9ed,#f4e2c3);box-shadow:0 20px 50px rgba(74,44,20,.12)}.eyebrow{letter-spacing:.28em;color:var(--muted);font-weight:700}.hero h1{font-size:clamp(40px,8vw,76px);line-height:1;margin:10px 0;color:#3d2718}.subtitle{font-size:20px;max-width:680px;color:var(--muted)}.seal{position:absolute;right:34px;top:34px;background:var(--red);color:white;writing-mode:vertical-rl;letter-spacing:.25em;padding:12px 8px;border-radius:8px;font-weight:800}.card,.result{margin-top:22px;background:rgba(255,248,235,.86);border:1px solid rgba(184,138,59,.45);border-radius:24px;padding:22px;box-shadow:0 14px 36px rgba(74,44,20,.1)}form{display:grid;gap:18px}label{font-weight:800;color:#4b321f}textarea{margin-top:8px;width:100%;border:1px solid #d7b979;border-radius:14px;background:#fffdf7;padding:13px;font-size:15px;line-height:1.6;color:var(--ink)}.upload{display:grid;place-items:center;min-height:260px;border:2px dashed #c89f56;border-radius:22px;background:#fffaf0;cursor:pointer;text-align:center;overflow:hidden}.upload input{display:none}.upload span{font-size:22px;color:var(--red)}#preview{display:none;max-width:100%;max-height:520px;border-radius:18px}button,.download{border:none;border-radius:16px;background:linear-gradient(135deg,#a33226,#7f211a);color:#fff;font-size:20px;font-weight:900;padding:16px 22px;cursor:pointer;text-align:center;text-decoration:none}button:disabled{opacity:.55;cursor:not-allowed}.hidden{display:none}.status{font-weight:900;color:var(--red);margin-bottom:16px}#resultImg{width:100%;max-width:720px;display:block;margin:0 auto;border-radius:18px;box-shadow:0 18px 50px rgba(0,0,0,.18)}.download{display:inline-block;margin-top:18px}pre{white-space:pre-wrap;background:#2b2119;color:#fff4df;padding:16px;border-radius:14px;max-height:360px;overflow:auto}@media (max-width:640px){.hero{padding:24px}.seal{right:20px;top:20px}.subtitle{font-size:16px}.card,.result{padding:14px}}

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