Enhancing Self-Disclosure Intensions in Mental Health Support: The Catalytic Effect of Chatbot Bubble Coloring, Moderated by Expressive Suppression and Mediated by Information Processing Fluency and Perceived Initial Trust. - Yanzeng Zhao; Keyong Zhu; Haixin Xu; Zhang Jun; Zou Jiaying; Li Runhao; Lijing Wang (Int. J. Hum. Comput. Interact., 2026)