{
  "name": "钢材撮合交易系统",
  "short_name": "钢材交易",
  "description": "钢材在线交易撮合平台 — 货源发布、在线撮合、合同管理、质保书查询",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#1a56db",
  "orientation": "any",
  "icons": [
    {
      "src": "/icon-192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/icon-512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}