{"stock_code": "000981", "stock_name": "山子高科", "market_type": "A", "analysis_date": "2026-04-21T03:06:01.953473", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "above", "phase": "unclear", "key_levels": [{"price": 4.04, "label": "近期低点支撑"}, {"price": 3.56, "label": "MA200支撑"}, {"price": 4.55, "label": "近期高点压力"}, {"price": 5.2, "label": "双底颈线压力"}], "trend_description": "当前价格4.02，位于MA5(4.07)下方0.05元，MA20(4.17)下方0.15元，MA60(4.51)下方0.49元，高于MA200(3.56)0.46元。短期均线MA5、MA20、MA60呈空头