{
    "name": "在线节拍器 — Online Metronome",
    "short_name": "节拍器",
    "description": "免费在线节拍器，精准专业级节拍器工具",
    "start_url": "./",
    "display": "standalone",
    "orientation": "any",
    "background_color": "#0a0a0f",
    "theme_color": "#0a0a0f",
    "icons": [
        {
            "src": "data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><rect width='100' height='100' rx='20' fill='%230a0a0f'/><text y='.78em' font-size='75' text-anchor='middle' x='50'>🎵</text></svg>",
            "sizes": "100x100",
            "type": "image/svg+xml",
            "purpose": "any maskable"
        }
    ],
    "lang": "zh-CN",
    "categories": ["music", "utilities", "education"]
}