{
  "name": "EMT Chat",
  "short_name": "EMT",
  "description": "安全、私密的即时通讯应用",
  "start_url": "/index.html",
  "display": "standalone",
  "background_color": "#0a0a0a",
  "theme_color": "#6366f1",
  "orientation": "portrait",
  "icons": [
    {
      "src": "/icon-48x48.png",
      "sizes": "48x48",
      "type": "image/png"
    },
    {
      "src": "/icon-72x72.png",
      "sizes": "72x72",
      "type": "image/png"
    },
    {
      "src": "/icon-96x96.png",
      "sizes": "96x96",
      "type": "image/png"
    },
    {
      "src": "/icon-144x144.png",
      "sizes": "144x144",
      "type": "image/png"
    },
    {
      "src": "/icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/icon-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}