```json { "stock_code": "300685", "stock_name": "艾德生物", "market_type": "A", "analysis_date": "2025-12-31T06:00:31.341325", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "near", "phase": "unclear", "key_levels": [ { "price": 20.49, "label": "关键均线支撑/压力(MA200)" }, { "price": 22.13, "label": "中长期强压力(MA60)" }, { "price": 20.97, "label": "短期压力(MA20)" }, {