**1) Why Day 7 behavior is high value** - A callback request signals active buying intent, not passive browsing—it moves the lead from "interest" to "sales-ready conversation." - 主动请求回电属于高意向行为，说明客户已从"了解阶段"进入"准备沟通阶段"。 **2) Why still in C Pool (no upgrade yet)** - Score 41 < threshold 60: behavior quality is high, but cumulative engagement depth isn't sufficient to justify B-pool resources yet. - 分数41未达60升级线：行为质量高，但累计互动深度不足，暂不升级，避免销售资源错配。 **3) Precise nurturing actions to trigger** - Assign a named success/account manager to call within 24h; log call outcome and update lead record. - 24小时内指派专属客户成功经理回电，并记录通话结果、更新线索档案。 - Send a tailored capability deck + indicative pricing for enterprise training programs (not a full formal proposal yet). - 发送定制化能力介绍与参考报价（暂不发送正式完整方案），为下一步做准备。 **4) How this supports a 100-unit distribution inquiry** - The callback conversation qualifies seat volume, delivery region and timeline—converting an anonymous signal into a structured 100-unit opportunity. - 回电沟通可确认采购规模、交付区域与时间表，将模糊意向转化为明确的100单元分销商机。 - If volume intent is confirmed, trigger formal proposal + B-pool upgrade review to accelerate deal velocity. - 若确认批量需求，则触发正式方案与B池升级复审，加速成交进程。