<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="630" viewBox="0 0 1200 630" role="img" aria-labelledby="title desc">
  <title id="title">GeoSite Demo Placeholder</title>
  <desc id="desc">Local demo placeholder image for GeoSite admin seed data.</desc>
  <rect width="1200" height="630" fill="#f8fafc"/>
  <rect x="64" y="64" width="1072" height="502" rx="28" fill="#ffffff" stroke="#cbd5e1" stroke-width="4"/>
  <circle cx="165" cy="164" r="42" fill="#2563eb"/>
  <path d="M239 142h472v36H239zM239 206h708v28H239zM239 258h612v28H239z" fill="#334155"/>
  <path d="M128 382h268v96H128zM436 382h268v96H436zM744 382h268v96H744z" fill="#e2e8f0"/>
  <path d="M154 416h190v18H154zM462 416h190v18H462zM770 416h190v18H770z" fill="#64748b"/>
  <text x="128" y="540" fill="#0f172a" font-family="Arial, sans-serif" font-size="34" font-weight="700">Demo 本地演示占位图</text>
</svg>
