*{box-sizing:border-box}body{margin:0;background:#f4f1e9;color:#242424;font-family:Arial,Noto Sans TC,sans-serif}button,input{font:inherit}button,summary{cursor:pointer}button{min-height:44px}button:disabled{cursor:wait;opacity:.6}button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #5742c9;outline-offset:4px}.campaign{width:min(100%,560px);min-height:100dvh;margin:auto;padding:24px;background:#f0c543}.language-switcher{display:flex;justify-content:flex-end;gap:8px;margin-bottom:32px}.language-switcher button{border:1px solid #242424;border-radius:6px;padding:6px 14px;background:transparent}.language-switcher button[aria-pressed=true]{background:#242424;color:#fff}h1{margin:0 0 28px;font-size:30px}h2{font-size:20px}.quantity,.mechanism{padding:24px;margin-bottom:20px;background:#fff9e7;border-radius:12px}.quantity{text-align:center}.quantity strong{font-size:48px}.mechanism{min-height:220px;line-height:1.7}fieldset{min-width:0;border:0;margin:0;padding:0}.field{margin-bottom:24px}label{display:block;margin-bottom:10px;font-weight:700}input{width:100%;min-height:48px;padding:12px;border:1px solid #746846;border-radius:8px;background:#fff}input[aria-invalid=true]{border-color:#a31515}small{display:block;margin-top:8px;line-height:1.5}.error{color:#861010;font-size:14px}details{margin-bottom:24px;line-height:1.6}.primary{display:block;width:100%;padding:16px;border:0;border-radius:30px;background:#242424;color:#fff;font-weight:700}.back{display:block;margin:16px auto 0;padding:8px 20px;border:0;background:transparent;text-decoration:underline}.thank-you{padding:80px 20px;text-align:center}.campaign>main:focus{outline:none}