:root,[lang]{--product-font-ui:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;--product-font-display:var(--product-font-ui);--product-font-serif:Georgia,"Times New Roman",serif;--product-font-hand:"Segoe Print","Bradley Hand",cursive}:root:lang(zh-HK),:root:lang(zh-Hant),:root:lang(zh-MO),:root:lang(zh-TW),[lang]:lang(zh-HK),[lang]:lang(zh-Hant),[lang]:lang(zh-MO),[lang]:lang(zh-TW){--product-font-ui:"PingFang HK","PingFang TC","Microsoft JhengHei UI","Microsoft JhengHei","Noto Sans CJK HK","Noto Sans CJK TC","Noto Sans TC","Source Han Sans TC",system-ui,-apple-system,"Segoe UI",sans-serif;--product-font-serif:"Songti TC","Noto Serif CJK TC","Noto Serif TC","Source Han Serif TC",serif;--product-font-hand:"BiauKai","DFKai-SB","Noto Serif TC",serif}:root:lang(ja),:root:lang(jp),[lang]:lang(ja),[lang]:lang(jp){--product-font-ui:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic","Meiryo","Noto Sans CJK JP","Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;--product-font-serif:"Hiragino Mincho ProN","Yu Mincho","Noto Serif CJK JP","Noto Serif JP",serif;--product-font-hand:"Yu Kyokasho","Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif}:root:lang(zh):not(:lang(zh-Hant)):not(:lang(zh-HK)):not(:lang(zh-TW)):not(:lang(zh-MO)),[lang]:lang(zh):not(:lang(zh-Hant)):not(:lang(zh-HK)):not(:lang(zh-TW)):not(:lang(zh-MO)){--product-font-ui:"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;--product-font-serif:"Songti SC","Noto Serif CJK SC","Noto Serif SC","SimSun",serif;--product-font-hand:"Kaiti SC","STKaiti","KaiTi","Noto Serif SC",serif}:root[lang],[lang]{--product-font-display:var(--product-font-ui);--font-sans:var(--product-font-ui);--font-serif:var(--product-font-display);--font-hand:var(--product-font-hand);--os-font-ui:var(--product-font-ui);--os-font-display:var(--product-font-display);font-family:var(--product-font-ui)}