Provides a decision-grade equity valuation playbook and report standard (multiples, DCF, quality assessment, scenarios, margin of safety); used when users request valuation, best-stock comparison, investment thesis explanation, or structured risk review.

提供一套用于股权估值的决策级操作指南与报告标准，涵盖乘数法、现金流折现、质量评估、情景分析和安全边际；适用于用户提出估值需求、最佳股票对比、投资逻辑阐述或结构化风险审查时使用