📄 中文摘要
随着越来越多的用户在ChatGPT、Perplexity和Claude等平台上完成B2B工具选择和技术研究，传统的Google搜索正在逐渐被取代。到2026年，ChatGPT将占据AI搜索查询的巨大份额，导致网络营销人员和企业面临一个可怕的现象：零点击漏斗（Silent Loss）。用户在没有访问实际网站的情况下，仅凭AI的回答做出购买或选择决策，这对企业的在线存在和营销策略构成了严峻挑战。
超越SEO：生成引擎优化（GEO）。如何实施`llms.txt`和RAG友好的标记
📄 English Summary
Beyond SEO: Generative Engine Optimization (GEO). How to Implement `llms.txt` and RAG-Friendly Markup
A significant shift is occurring in B2B tool selection and technical research, with an increasing number of users opting for platforms like ChatGPT, Perplexity, and Claude over traditional Google Search. By 2026, ChatGPT is expected to capture a substantial share of AI search queries, leading to a concerning phenomenon for web marketers and businesses known as the Zero-Click Funnel (Silent Loss). Users are making purchasing or selection decisions based solely on AI responses, often without ever visiting the actual websites, posing a serious challenge to online presence and marketing strategies.