```json { "stock_code": "300641", "stock_name": "正丹股份", "market_type": "A", "analysis_date": "2026-01-20T02:35:54.433782", "structure_snapshot": { "structure_type": "uptrend", "ma200_position": "near", "phase": "unclear", "key_levels": [ {"price": 21.98, "label": "近期高点"}, {"price": 22.04, "label": "14日内高点"}, {"price": 21.50, "label": "当前价格/MA200"}, {"price": 20.0, "label": "近期低点"}, {"price": 18.78, "label": "14日内阶段低点"} ], "trend_des