<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="630" viewBox="0 0 1200 630"><rect width="100%" height="100%" fill="#e2e8f0"/><text x="50%" y="50%" dominant-baseline="middle" text-anchor="middle" fill="#64748b" font-family="system-ui, sans-serif" font-size="79" font-weight="600">1200 × 630</text></svg>