{
  "name": "睡眠改善助手 - 免费版",
  "short_name": "SleepFree",
  "description": "快速诊断睡眠问题，获取基础改善建议",
  "start_url": "/",
  "display": "fullscreen",
  "background_color": "#1a1a1a",
  "theme_color": "#2c3e50",
  "orientation": "portrait",
  "icons": [
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      "sizes": "192x192",
      "type": "image/png"
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}