:root{--bg:#fbfaf8;--surface:#ffffff;--surface-2:#f2efea;--text:#1b1b1f;--muted:#6b6b76;--border:#e3ded6;--primary:#c8102e;--primary-ink:#ffffff;--accent:#f2a900;--good:#0f8a5f;--bad:#b3261e;--radius:14px;--shadow:0 1px 2px rgba(0,0,0,0.06),0 8px 24px rgba(0,0,0,0.06)}@media (prefers-color-scheme:dark){:root{--bg:#14151a;--surface:#1d1f26;--surface-2:#262932;--text:#f2f2f5;--muted:#a0a3ae;--border:#333743;--shadow:0 1px 2px rgba(0,0,0,0.4),0 10px 28px rgba(0,0,0,0.35)}}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Noto Sans TC,Noto Sans SC,sans-serif;-webkit-text-size-adjust:100%}.shell{max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;padding:0 16px 24px}.wide{max-width:1100px}header.top{justify-content:space-between;gap:12px;padding:14px 0}.brand,header.top{display:flex;align-items:center}.brand{gap:10px;font-weight:700}.brand img{height:32px;width:auto;border-radius:8px}.langs{display:flex;gap:4px}.langs button{border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:999px;padding:5px 10px;font-size:12px;cursor:pointer}.langs button[aria-pressed=true]{background:var(--text);color:var(--bg);border-color:var(--text)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:14px}h1{font-size:22px;margin:4px 0 10px}h2{font-size:17px;margin:0 0 10px}h3{font-size:15px;margin:0 0 6px}p{line-height:1.55;margin:0 0 10px}.muted{color:var(--muted);font-size:13px}.small{font-size:12px}label.check{display:flex;gap:10px;align-items:flex-start;padding:10px 0;font-size:14px;line-height:1.45;cursor:pointer}label.check input{margin-top:3px;width:20px;height:20px;accent-color:var(--primary)}input[type=email],input[type=number],input[type=tel],input[type=text],select{width:100%;padding:12px;font-size:16px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);color:var(--text)}a.primary,button.primary{display:block;width:100%;text-align:center;text-decoration:none;padding:15px 16px;font-size:16px;font-weight:700;border:0;border-radius:12px;background:var(--primary);color:var(--primary-ink);cursor:pointer}button.primary:disabled{opacity:.45;cursor:not-allowed}button.ghost{width:100%;padding:12px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text);font-size:14px;cursor:pointer}.steps{display:flex;gap:6px;margin-bottom:14px}.steps div{flex:1 1;text-align:center;font-size:12px;padding:7px 4px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.steps div.active{background:var(--text);color:var(--bg)}.tabs{display:flex;gap:6px;margin:10px 0 14px}.tabs button{flex:1 1;padding:10px 6px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--muted);font-size:13px;cursor:pointer}.tabs button[aria-selected=true]{background:var(--text);color:var(--bg);border-color:var(--text)}.notice{padding:12px;border-radius:10px;font-size:14px;margin-bottom:12px}.notice.error{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--bad)}.notice.ok{background:color-mix(in srgb,var(--good) 14%,transparent);color:var(--good)}.notice.info{color:var(--muted)}.code,.notice.info{background:var(--surface-2)}.code{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:30px;letter-spacing:6px;font-weight:700;text-align:center;padding:12px;border-radius:12px}.wheel-wrap{position:relative;width:100%;aspect-ratio:1;margin:6px auto 16px}.wheel{width:100%;height:100%;transform:rotate(0deg);transition:transform 5s cubic-bezier(.17,.72,.15,1)}.wheel.instant{transition:none}.pointer{position:absolute;top:-4px;left:50%;transform:translateX(-50%);width:0;height:0;border-left:13px solid transparent;border-right:13px solid transparent;border-top:22px solid var(--text);filter:drop-shadow(0 2px 3px rgba(0,0,0,.3))}.stamp-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:10px;gap:10px}.stamp{border:1px dashed var(--border);border-radius:12px;padding:12px;text-align:center;background:var(--surface-2)}.stamp.done{border-style:solid;border-color:var(--good);background:color-mix(in srgb,var(--good) 10%,transparent)}.stamp .mark{font-size:24px}.voucher{border:1px solid var(--border);border-left:5px solid var(--accent);border-radius:12px;padding:12px;margin-bottom:10px;background:var(--surface)}.voucher.used{opacity:.55;border-left-color:var(--muted)}.voucher 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