:root{--brand:#0d6efd;--brand-dark:#0a58ca;--text:#1a1a1a;--muted:#5c5c5c;--bg:#f8f9fc;--card:#fff;--radius:16px;--shadow:0 8px 32px rgba(13,110,253,0.12)}*{box-sizing:border-box}body{margin:0;min-height:100dvh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans TC,sans-serif;background:var(--bg);color:var(--text);display:flex;align-items:center;justify-content:center;padding:24px 16px}.wrap{width:100%;max-width:400px;text-align:center}.card{background:var(--card);border-radius:var(--radius);padding:32px 24px;box-shadow:var(--shadow)}.logo{width:72px;height:72px;margin:0 auto 16px;border-radius:16px;display:block;object-fit:contain}h1{font-size:1.35rem;font-weight:700;margin:0 0 8px}.sub{color:var(--muted);font-size:.95rem;margin:0 0 20px}.hint,.sub{line-height:1.5}.hint{display:none;background:#fff8e6;border:1px solid #ffe08a;color:#6b5a00;font-size:.85rem;padding:12px 14px;border-radius:12px;margin-bottom:20px;text-align:left}.hint.visible{display:block}.loading-row{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--muted);font-size:.95rem;margin-bottom:8px}.spinner{width:22px;height:22px;border:3px solid #e0e7ff;border-top:3px solid var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.actions{display:none;flex-direction:column;align-items:center;gap:14px;margin-top:8px}.actions.visible{display:flex}.store-btn{display:block;width:200px;text-decoration:none;border-radius:12px;overflow:hidden;line-height:0;border:none;transition:transform .15s ease,box-shadow .15s ease}.store-btn:focus,.store-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.08);outline:none}.store-btn img{width:200px;height:auto;display:block}.store-btn img.play-badge-en{transform:scale(1.143)}.loading-hidden{display:none!important}