```json { "stock_code": "000981", "stock_name": "山子高科", "market_type": "A", "analysis_date": "2026-01-01T23:51:52.915816", "structure_snapshot": { "structure_type": "uptrend", "ma200_position": "near", "phase": "late", "key_levels": [ {"price": 4.42, "label": "近期最高价"}, {"price": 4.16, "label": "当前价格/MA200位置"}, {"price": 3.80, "label": "近期低点/MA5"}, {"price": 3.67, "label": "MA60"}, {"price": 3.40, "label": "MA20"} ], "trend_descripti