在线客服的核心，已经不只是把优惠推给用户。在线交流缺少表情等非语言线索，纯文字容易显得模糊。因此，表情包逐渐成为补充语气的重要工具。它们让一句普通回复拥有态度，也让品牌沟通从单纯的信息传递，走向更细腻的关系维护。 从沟通风格看，线上营

As AI chat assistants move into mainstream use, their ability to protect information has become a major operational concern. Users may share private conversations, project data, and professional knowledge during a single interaction. A useful system must therefore do more than automate routine co