```json { "stock_code": "600664", "stock_name": "哈药股份", "market_type": "A", "analysis_date": "2025-12-31T02:02:35.106933", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "near", "phase": "middle", "key_levels": [ {"price": 3.46, "label": "关键支撑位（当前价/MA200重合处）"}, {"price": 3.51, "label": "动态压力位1（MA5）"}, {"price": 3.58, "label": "重要压力位（MA20/近期震荡区间上沿）"} ], "trend_description": "股价处于清晰的下降通道结构中。均线系统呈现空头排列：MA5(3.51) < MA20(3.