{"stock_code": "002549", "stock_name": "凯美特气", "market_type": "A", "analysis_date": "2026-05-06T14:56:52.168580", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "above", "phase": "early", "key_levels": [{"price": 22.97, "label": "压力位1(颈线)"}, {"price": 19.72, "label": "支撑位1(MA200)"}, {"price": 17.02, "label": "支撑位2(近期低点)"}], "trend_description": "当前价格20.39位于MA5(20.35)、MA20(19.56)、MA60(19.88)、MA200(19.72)上方，均线系统呈多头排列（MA5>MA20>MA60>MA200）。但头肩顶形态颈线22.97已被跌破，近期高点自22.60(2026-0