{
  "name": "语法大师 · Grammar Master",
  "short_name": "语法大师",
  "description": "语法讲解、易混对比、纯语法测验（考点标注 + 掌握度分析）与智能问答的英语语法学习工具",
  "start_url": ".",
  "scope": ".",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#1d4ed8",
  "theme_color": "#1d4ed8",
  "lang": "zh-CN",
  "categories": ["education", "reference"],
  "icons": [
    { "src": "icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" }
  ]
}