{
  "name": "开心格 — 国旗趣味学习",
  "short_name": "开心格",
  "description": "国旗趣味学习游戏 + AI 知识工坊 + 限时挑战",
  "start_url": "/game/flag",
  "scope": "/",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#F5F7FA",
  "theme_color": "#4A90FF",
  "icons": [
    {
      "src": "/static/img/icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/static/img/icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    }
  ]
}