{
  "name": "時光線",
  "short_name": "時光線",
  "description": "世界時鐘與時間軸地標／倒數日",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#4654B3",
  "orientation": "portrait",
  "icons": [
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "/icon-maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ],
  "file_handlers": [
    {
      "action": "/",
      "accept": {
        "application/json": [".json"]
      },
      "icons": [
        { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png" }
      ],
      "launch_type": "single-client"
    }
  ],
  "launch_handler": {
    "client_mode": "focus-existing"
  }
}