俄罗斯大规模袭击乌克兰电网，冬季前被迫断电

1. 核心事实剥离

• 事件本质：俄罗斯对乌克兰能源基础设施发动大规模打击，造成7人死亡，基辅及三个地区进入紧急断电状态，时点恰在供暖季前夕。[STRC: "Seven people were killed in the attack and emergency power cuts were imposed in Kyiv and three other regions."]
• 最关键可交易变量：欧洲能源供给冲击的风险溢价重估（电力/天然气价格路径）与地缘波动率期限结构。
• 交易价值判定：trade。理由：事件直接打通了"乌克兰电网