:root{--bg:#faf7f2;--card:#fff;--ink:#2b2622;--quiet:#7a7068;--line:#e6ded3;--accent:#b5502f;--ok:#2e7d4f;--warn:#b3261e}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#1c1a18;--card:#262321;--ink:#f0ece6;--quiet:#a89e94;--line:#3a352f;--accent:#e0794f;--ok:#6cc08b;--warn:#f08a7f}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 -apple-system,PingFang TC,Noto Sans TC,sans-serif}.wrap{max-width:900px;margin:0 auto;padding:28px 16px 64px}h1{font-size:21px;margin:0 0 4px}h2{font-size:16px;margin:28px 0 10px}.sub{color:var(--quiet);font-size:13.5px;margin-bottom:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px}label{display:block;font-size:13px;color:var(--quiet);margin:10px 0 4px}input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);font:15px/1.4 inherit}button{font:600 15px/1 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