市场研究递归细分拆解

1{
2  "industry": "",
3  "region": "",
4  "tree": {
5    "level": "Macro",
6    "name": "...",
7    "market_valuation": "$X",
8    "top_players": [
9      {
10        "name": "Company A",
11        "type": "Incumbent",
12        "focus": "Broad"
13      },
14      {
15        "name": "Company B",
16        "type": "Incumbent",
17        "focus": "Broad"
18      }
19    ],
20    "children": [
21      {
22        "level": "Sub-Niche/Micro",
23        "name": "...",
24        "narrowing_variable": "...",
25        "market_valuation": "$X"
26      }
27    ]
28  }
29}
30
31（递归细分拆解：按行业/地区从宏观到微观逐层拆解，列出估值与头部玩家。）