```json { "stock_code": "300641", "stock_name": "正丹股份", "market_type": "A", "analysis_date": "2024-05-29T12:00:00", "structure_snapshot": { "structure_type": "uptrend", "ma200_position": "near", "phase": "unclear", "key_levels": [ {"price": 22.04, "label": "14日内最高点"}, {"price": 21.9, "label": "次高点"}, {"price": 20.94, "label": "MA200"}, {"price": 19.85, "label": "14日内低点"} ], "trend_description": "价格 20.94，位于 MA20(19.84) 上方 1.10 元，位于 MA200(