{
  "name": "雅思备考 Hub",
  "short_name": "雅思Hub",
  "description": "雅思机考备考：计时学习、单词记忆曲线、口语对练、模考追踪。",
  "start_url": "/index.html",
  "scope": "/",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#f3f8f7",
  "theme_color": "#3a9a93",
  "icons": [
    { "src": "/icons/icon-192.png", "sizes": "192x192", "type": "image/png" },
    { "src": "/icons/icon-512.png", "sizes": "512x512", "type": "image/png" },
    { "src": "/icons/maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ]
}