{"stock_code": "000066", "stock_name": "中国长城", "market_type": "A", "analysis_date": "2026-05-27T10:59:47.137428", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "above", "phase": "unclear", "key_levels": [{"price": 16.48, "label": "支撑位1 (MA200)"}, {"price": 15.18, "label": "支撑位2 (近期低点2026-04-21)"}, {"price": 20.98, "label": "压力位1 (MA20)"}, {"price": 25.74, "label": "压力位2 (近期高点2026-05-12)"}], "trend_description": "当前价格18.36，位于MA5(19.89)和MA20(20.98)下方，位于MA60(17.39)和MA200(1