.english-label{font:400 .75em/1.5 system-ui,sans-serif;color:var(--muted,#b8bbae)}html[lang=zh-Hans]{font-family:system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif}html[lang=zh-Hans] h1,html[lang=zh-Hans] h2,html[lang=zh-Hans] h3,html[lang=zh-Hans] button{font-family:inherit;letter-spacing:normal}html[lang=zh-Hans] .article-body{line-height:1.9}html[lang=zh-Hans] .article-body p{max-width:42em}html[lang=zh-Hans] .home-title{line-height:1.2}html[lang=zh-Hans] .translation-note{font-size:.85rem;color:var(--muted,#b8bbae)}
@media(max-width:700px){html[lang=zh-Hans] .site-header nav:not(.language-switch){gap:12px;justify-content:space-between}html[lang=zh-Hans] .site-header nav a{white-space:nowrap;font-size:12px}html[lang=zh-Hans] .home-hero h1{font-size:clamp(28px,7.8vw,38px)}}
html[lang=zh-Hans] .article-body code{white-space:normal;overflow-wrap:anywhere}
.site-header .language-switch{position:relative;flex:none;margin:0 0 0 auto;padding:0;border:0;font:500 13px/1.4 system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;z-index:30;color:var(--muted,#b8bbae)}
.language-switch > summary{display:flex;align-items:center;justify-content:center;gap:7px;min-width:82px;min-height:44px;padding:8px 10px;border:1px solid transparent;border-radius:6px;list-style:none;cursor:pointer;white-space:nowrap;font:inherit;color:inherit;user-select:none}
.language-switch > summary::-webkit-details-marker{display:none}.language-switch > summary::after{content:none}.language-switch > summary:hover,.language-switch[open] > summary{color:var(--text,#efeee2);background:#232a20;border-color:var(--line,#353d31)}.language-switch > summary:focus-visible{outline:2px solid var(--gold,#d9bc7b);outline-offset:3px}
.language-globe{width:18px;height:18px;flex:none}.language-chevron{width:12px;height:12px;flex:none;opacity:.75}.language-switch[open] .language-chevron{transform:rotate(180deg)}
.language-options{position:absolute;right:0;top:calc(100% + 7px);min-width:172px;padding:6px;border:1px solid #424c3b;border-radius:8px;background:#1b2118;box-shadow:0 8px 24px #0006}
.language-options a{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:10px 12px;border-radius:4px;color:var(--text,#efeee2);text-decoration:none;white-space:nowrap;font-size:14px}.language-options a:hover,.language-options a:focus-visible{background:#2a3325}.language-options a[aria-current=page]{color:var(--gold,#d9bc7b);background:#252c20}.language-check{width:17px;height:17px;flex:none}
@media(max-width:800px){.site-header{flex-wrap:wrap;gap:12px}.site-header .brand{margin-right:auto}.site-header .nav-vault{order:2;margin-left:0}.site-header .language-switch{order:3;margin-left:0}.site-header > nav{order:4;width:100%;flex-basis:100%}.language-switch > summary{min-width:74px;padding-inline:6px}.language-options{top:calc(100% + 4px)}}
@media(max-width:800px){.site-header .language-switch{margin-left:auto}}
@media(max-width:380px){.site-header{gap:8px}.site-header .nav-vault{font-size:0;gap:0;padding:10px}.site-header .brand{gap:8px}}