{"stock_code": "600490", "stock_name": "鹏欣资源", "market_type": "A", "analysis_date": "2026-05-07T03:07:53.168918", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "above", "phase": "unclear", "key_levels": [{"price": 10.82, "label": "近期高点压力位 (2026-03-02)"}, {"price": 9.15, "label": "近期高点压力位 (2026-04-22)"}, {"price": 8.61, "label": "MA60 当前值"}, {"price": 7.39, "label": "MA200 当前值"}, {"price": 6.78, "label": "近期低点支撑位 (2026-03-23)"}], "trend_description": "价格 8.59 位于 MA20（8.4