:root{--download-bg:#f5f7fa;--download-surface:#ffffff;--download-ink:#1d2430;--download-muted:#536075;--download-line:#d9e0ea}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;font-family:Segoe UI,Noto Sans,Arial,sans-serif;color:var(--download-ink);background:linear-gradient(180deg,#f8fbff 0,var(--download-bg) 100%)}.download-page{min-height:100vh;display:grid;place-items:center;padding:24px}.download-card{width:min(680px,100%);background:var(--download-surface);border:1px solid var(--download-line);border-radius:16px;padding:28px;box-shadow:0 10px 32px rgba(11,30,59,.08);display:grid;gap:14px}.download-logo{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;letter-spacing:.02em}.download-intro{margin:0;line-height:1.5;color:var(--download-muted)}.download-cta-group{margin-top:8px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.download-cta-slot{display:flex}.download-cta-slot[data-priority=primary]{transform:translateY(-1px)}.download-cta{width:100%;display:inline-flex;align-items:center;justify-content:center;text-align:center;border-radius:10px;border:1px solid #225fa0;background:#246ab6;color:#ffffff;text-decoration:none;font-weight:600;padding:12px 14px}.download-cta-disabled{border-color:var(--download-line);background:#eef2f8;color:var(--download-muted)}.download-fallback-text{margin:0;color:var(--download-muted);font-size:.94rem}.download-fallback-hidden{visibility:hidden;min-height:0}.download-qr-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.download-qr-block{border:1px solid var(--download-line);border-radius:12px;padding:14px;background:#fcfdff;display:grid;gap:10px}.download-qr-block h3{margin:0;font-size:1rem}.download-qr-image{width:min(180px,100%);aspect-ratio:1;object-fit:contain;border-radius:8px;border:1px solid var(--download-line);background:#ffffff}@media (max-width:680px){.download-cta-group,.download-qr-grid{grid-template-columns:1fr}}