```json { "stock_code": "601186", "stock_name": "中国铁建", "market_type": "A", "analysis_date": "2026-01-29T07:04:01.047112", "structure_snapshot": { "structure_type": "downtrend", "ma200_position": "near", "phase": "middle", "key_levels": [ {"price": 7.87, "label": "近期高点"}, {"price": 7.33, "label": "MA200"}, {"price": 7.21, "label": "近期低点"} ], "trend_description": "价格7.33，位于MA20(7.61)下方0.28元，位于MA60(7.75)下方0.42元。过去20个交易日中，价格有14天在MA20下方运行，6天在上方运行。M