```json { "stock_code": "301139", "stock_name": "元道通信", "market_type": "A", "analysis_date": "2026-01-13T10:15:13.645141", "structure_snapshot": { "structure_type": "uptrend", "ma200_position": "near", "phase": "middle", "key_levels": [ {"price": 21.65, "label": "近期最高点"}, {"price": 20.48, "label": "前期收盘高点"}, {"price": 20.22, "label": "当前价/MA200"}, {"price": 18.68, "label": "MA20"}, {"price": 18.11, "label": "近期最低点"} ], "trend_descri