{"stock_code": "002251", "stock_name": "步步高", "market_type": "A", "analysis_date": "2026-06-01T01:59:15.385721", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "below", "phase": "unclear", "key_levels": [{"price": 3.65, "label": "支撑位1(近期低点2026-05-21)"}, {"price": 4.0, "label": "支撑位2(2026-04-27低点)"}, {"price": 5.0, "label": "压力位1(头肩顶颈线)"}, {"price": 5.09, "label": "压力位2(MA200)"}], "trend_description": "当前价格4.93，高于MA5(4.59)、MA20(4.09)、MA60(4.25)，低于MA200(5.09)。均线排列：MA5>MA20