{"stock_code": "000981", "stock_name": "山子高科", "market_type": "A", "analysis_date": "2026-04-24T07:32:29.738389", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "above", "phase": "middle", "key_levels": [{"price": 3.58, "label": "支撑位(MA200)"}, {"price": 3.99, "label": "压力位(MA5)"}, {"price": 4.13, "label": "压力位(MA20)"}], "trend_description": "当前价格3.79位于MA5(3.99)、MA20(4.13)、MA60(4.45)下方，均线呈空头排列(MA5<MA20<MA60)。价格自2026-02-27高点5.05持续下行，近期低点4.04(2026-04-07)已被跌破，创出新低3.79。过去20个交