{
  "schema_version": 1,
  "policy": "每份作品选择一个最贴近主要内容的二级分类；跨主题用标签补充。按内容主题归类，导览、报告或工具等属于内容形式。没有合适分类时先维护分类表，不使用其他或自动猜测兜底。已有分类 ID 保持稳定。",
  "groups": [
    {
      "id": "humanities",
      "name": "人文与艺术",
      "description": "从器物、历史到艺术与文字",
      "children": [
        {
          "id": "museums",
          "name": "博物馆与文物"
        },
        {
          "id": "history",
          "name": "历史与文化"
        },
        {
          "id": "arts",
          "name": "艺术与设计"
        },
        {
          "id": "literature",
          "name": "文学与阅读"
        }
      ]
    },
    {
      "id": "travel",
      "name": "旅行与地方",
      "description": "认识一座城，规划一段路",
      "children": [
        {
          "id": "destinations",
          "name": "目的地指南"
        },
        {
          "id": "itineraries",
          "name": "行程与路线"
        },
        {
          "id": "places",
          "name": "城市与地理"
        }
      ]
    },
    {
      "id": "living",
      "name": "生活与居家",
      "description": "日常生活里的具体办法",
      "children": [
        {
          "id": "home",
          "name": "家居与收纳"
        },
        {
          "id": "food",
          "name": "饮食与烹饪"
        },
        {
          "id": "gardening",
          "name": "园艺与养护"
        },
        {
          "id": "shopping",
          "name": "消费与选购"
        }
      ]
    },
    {
      "id": "science",
      "name": "科学与自然",
      "description": "观察世界，理解它的运作",
      "children": [
        {
          "id": "nature",
          "name": "自然与生态"
        },
        {
          "id": "explainers",
          "name": "科学原理"
        },
        {
          "id": "experiments",
          "name": "实验与探索"
        }
      ]
    },
    {
      "id": "technology",
      "name": "技术与 AI",
      "description": "理解技术，也把技术用起来",
      "children": [
        {
          "id": "ai",
          "name": "人工智能"
        },
        {
          "id": "software",
          "name": "软件与编程"
        },
        {
          "id": "hardware",
          "name": "硬件与网络"
        },
        {
          "id": "data",
          "name": "数据与可视化"
        }
      ]
    },
    {
      "id": "sports-health",
      "name": "运动与健康",
      "description": "运动、身体与户外生活",
      "children": [
        {
          "id": "sports",
          "name": "运动与训练"
        },
        {
          "id": "health",
          "name": "健康知识"
        },
        {
          "id": "outdoors",
          "name": "户外与休闲"
        }
      ]
    },
    {
      "id": "work",
      "name": "工作与商业",
      "description": "关于产品、组织和做事方法",
      "children": [
        {
          "id": "products",
          "name": "行业与产品"
        },
        {
          "id": "management",
          "name": "经营与管理"
        },
        {
          "id": "productivity",
          "name": "职业与效率"
        }
      ]
    },
    {
      "id": "education",
      "name": "学习与教育",
      "description": "让知识更好理解、记住与传递",
      "children": [
        {
          "id": "subjects",
          "name": "学科知识"
        },
        {
          "id": "languages",
          "name": "语言学习"
        },
        {
          "id": "study",
          "name": "学习方法"
        },
        {
          "id": "teaching",
          "name": "教学资源"
        }
      ]
    }
  ],
  "formats": {
    "guide": "图文导览",
    "article": "文章",
    "report": "研究报告",
    "tutorial": "教程",
    "tool": "交互工具",
    "visualization": "可视化",
    "portfolio": "作品集"
  }
}