html[lang=zh],html[lang=ja]{word-break:normal;line-break:auto}
html[lang=zh] body,html[lang=ja] body{font-family:var(--font-sans,system-ui),"Microsoft YaHei","Yu Gothic","Noto Sans CJK SC",sans-serif}
@media(max-width:640px){.site-header{flex-wrap:wrap;gap:.65rem}.site-header nav{flex-wrap:wrap;gap:.75rem}.info-nav,.upd-site-header{flex-wrap:wrap;gap:.6rem}}