{
  "name": "CQRadio Exam",
  "short_name": "Exam",
  "description": "业余无线电操作证复习备考和模拟测试系统",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#0d111a",
  "theme_color": "#0d111a",
  "icons": [
    {
      "src": "/images/logo-180.png",
      "sizes": "180x180",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/images/logo-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/images/logo-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    }
  ]
}