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Sustainable gardens have emerged as innovative models of urban tourism that integrate ecological aesthetics, participatory design, and community well-being. This study explores how tourists’ perceived value influences revisit intention and introduces two experiential moderators—narrative transportation and empowerment capability—to uncover the underlying psychological and participatory mechanisms that drive behavioral intention. A mixed-methods approach was employed, combining grounded theory interviews to develop the conceptual framework with a large-scale survey analyzed using structural equation modeling (SmartPLS). The results demonstrate that perceived value positively affects revisit intention through tourist satisfaction, while narrative transportation and empowerment capability significantly strengthen these relationships by enhancing emotional immersion and participatory engagement. These findings advance sustainable tourism theory by highlighting the dual-path moderating effects of storytelling and empowerment in shaping visitor behavior. Practically, the study provides actionable insights for sustainable garden management, emphasizing the importance of immersive narratives and participatory empowerment in fostering long-term tourist loyalty and sustainable destination development.可持续花园已成为融合生态美学、参与式设计与社区福祉的创新型都市旅游模式。本研究探讨游客感知价值对重游意愿的影响机制，并引入叙事传输（narrative transportation）与赋能能力（empowerment capability）两个体验型调节变量，以揭示驱动行为意愿的深层心理与参与式路径。本研究采用混合研究范式，通过扎根理论访谈（grounded theory interviews）构建概念框架，并结合大规模调查问卷，采用结构方程模型（structural equation modeling，SmartPLS）开展数据分析。研究结果显示，感知价值通过游客满意度对重游意愿产生显著正向影响；而叙事传输与赋能能力可通过强化情感沉浸与参与式投入，显著增强上述作用路径。本研究通过揭示叙事与赋能的双路径调节效应在游客行为塑造中的作用，推进了可持续旅游理论的发展。实践层面，本研究为可持续花园的运营管理提供了可操作的实践启示，强调了沉浸式叙事与参与式赋能在培育长期游客忠诚度及推动目的地可持续发展中的重要价值。