{"stock_code": "600686", "stock_name": "金龙汽车", "market_type": "A", "analysis_date": "2026-05-18T17:02:46.517671", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "no_data", "phase": "unclear", "key_levels": [{"price": 15.55, "label": "头肩顶颈线（压力位）"}, {"price": 14.15, "label": "头肩底颈线（支撑位）"}, {"price": 16.06, "label": "MA20（压力位）"}], "trend_description": "近30个交易日价格从18.14下降至14.58，MA5（14.80）位于MA20（16.06）下方，价格处于MA5和MA20之下。期间出现三次均线交叉信号（两次MA5/MA60死叉和一次金叉），整体均线呈空头排列。RSI（19.63）处于30天最