特价华子专场华为XT红色16+1tb华为Mate X6典藏版白色16+512华为Pura X绿色典藏版16＋512华为Mate80pro青色16＋512华为Mate80pro白色16+512华为MatePad mini悦读版白色12+256华为MatePadMini1白色12+256华为笔记本电脑Mate Book 14/2024/16+512