YuFeng-XGuard: A Reasoning-Centric, Interpretable, and Flexible Guardrail Model for Large Language Models. - Junyu Lin; Meizhen Liu; Xiufeng Huang; Jinfeng Li; Haiwen Hong; Xiaohan Yuan; Yuefeng Chen; Longtao Huang; Hui Xue 001; Ranjie Duan; Zhikai Chen; Yuchuan Fu; et al. (CoRR, 2026)