/*
设计方向：后工业赛道机能主义。
核心提醒：机油黑 / 钣金灰 / 电焊橙；非对称维修工位布局；焊花播放按钮；扭矩刻度线；维修工单标签。所有样式选择都应强化 91 修车改装视频社区的专业现场感，而不是稀释它。
*/
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