{
  "name": "Signal 下载 - 私密安全的跨平台即时通讯应用",
  "short_name": "Signal 下载",
  "description": "Signal 多平台客户端下载入口，适合私密消息、语音视频通话和桌面端同步。",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#2f64f6",
  "icons": [
    {
      "src": "/android-chrome-192x192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/android-chrome-512x512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/android-chrome-512x512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ]
}