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.LangSwitch-module-scss-module__IRyiOa__root{border:1px solid var(--rule);border-radius:var(--radius);flex:none;grid-auto-columns:1fr;grid-auto-flow:column;display:inline-grid;overflow:hidden}.LangSwitch-module-scss-module__IRyiOa__item{height:32px;color:var(--muted);white-space:nowrap;justify-content:center;align-items:center;padding:0 11px;font-size:11.5px;line-height:1;transition:background-color .2s,color .2s;display:flex}.LangSwitch-module-scss-module__IRyiOa__item+.LangSwitch-module-scss-module__IRyiOa__item{border-left:1px solid var(--rule)}.LangSwitch-module-scss-module__IRyiOa__item:hover{color:var(--ink)}.LangSwitch-module-scss-module__IRyiOa__item[aria-current=true]{background:var(--tint);color:var(--ink)}@media (max-width:480px){.LangSwitch-module-scss-module__IRyiOa__item{padding:0 8px}}
.SiteFooter-module-scss-module__OgkfNW__root{border-top:1px solid var(--rule)}.SiteFooter-module-scss-module__OgkfNW__main,.SiteFooter-module-scss-module__OgkfNW__bottom{padding:28px var(--gutter);justify-content:space-between;align-items:center;gap:24px;display:flex}.SiteFooter-module-scss-module__OgkfNW__name{font-family:var(--font-sans);letter-spacing:-.01em;font-size:16px;font-weight:600;line-height:1.3}.SiteFooter-module-scss-module__OgkfNW__name:lang(zh){letter-spacing:.02em;font-size:15.5px}.SiteFooter-module-scss-module__OgkfNW__tagline{color:var(--muted);font-size:12px}.SiteFooter-module-scss-module__OgkfNW__links{flex-wrap:wrap;gap:12px 28px;font-size:12.5px;display:flex}.SiteFooter-module-scss-module__OgkfNW__links a,.SiteFooter-module-scss-module__OgkfNW__bottom a{color:var(--muted);transition:color .2s}.SiteFooter-module-scss-module__OgkfNW__links a:hover,.SiteFooter-module-scss-module__OgkfNW__bottom a:hover{color:var(--ink)}.SiteFooter-module-scss-module__OgkfNW__bottom{border-top:1px solid var(--rule);color:var(--muted);padding-block:18px;font-size:11.5px}.SiteFooter-module-scss-module__OgkfNW__tools{align-items:center;gap:20px;display:flex}.SiteFooter-module-scss-module__OgkfNW__top{white-space:nowrap;align-items:center;gap:6px;display:inline-flex}.SiteFooter-module-scss-module__OgkfNW__top svg{width:14px;height:14px}@media (max-width:860px){.SiteFooter-module-scss-module__OgkfNW__main,.SiteFooter-module-scss-module__OgkfNW__bottom{flex-direction:column;align-items:flex-start;padding-inline:20px}}
.SiteHeader-module-scss-module__-alWDa__root{z-index:50;border-bottom:1px solid var(--rule);background:color-mix(in srgb, var(--paper) 88%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0}.SiteHeader-module-scss-module__-alWDa__inner{height:var(--header-h);padding-inline:var(--gutter);align-items:center;gap:24px;display:flex}.SiteHeader-module-scss-module__-alWDa__brand{white-space:nowrap;font-family:var(--font-sans);letter-spacing:-.01em;flex:none;align-items:center;gap:10px;font-size:19px;font-weight:600;line-height:1;display:flex}.SiteHeader-module-scss-module__-alWDa__brand img{width:30px;height:30px}.SiteHeader-module-scss-module__-alWDa__brand:lang(zh){letter-spacing:.02em;font-size:18px}.SiteHeader-module-scss-module__-alWDa__nav{flex:1;justify-content:center;gap:32px;font-size:13px;display:flex}.SiteHeader-module-scss-module__-alWDa__nav a{color:var(--muted);white-space:nowrap;padding:6px 0;transition:color .2s;position:relative}.SiteHeader-module-scss-module__-alWDa__nav a:hover{color:var(--ink)}.SiteHeader-module-scss-module__-alWDa__actions{flex:none;align-items:center;gap:12px;display:flex}.SiteHeader-module-scss-module__-alWDa__cta{height:36px;padding:0 14px}@media (max-width:860px){.SiteHeader-module-scss-module__-alWDa__inner{padding-inline:16px}.SiteHeader-module-scss-module__-alWDa__nav{display:none}.SiteHeader-module-scss-module__-alWDa__actions{margin-left:auto}}@media (max-width:480px){.SiteHeader-module-scss-module__-alWDa__inner{gap:12px;padding-inline:12px}.SiteHeader-module-scss-module__-alWDa__brand,.SiteHeader-module-scss-module__-alWDa__actions{gap:8px}.SiteHeader-module-scss-module__-alWDa__cta{gap:6px;padding:0 12px}}@media (max-width:380px){.SiteHeader-module-scss-module__-alWDa__inner{gap:10px;padding-inline:10px}.SiteHeader-module-scss-module__-alWDa__cta svg{display:none}}
.MdPage-module-scss-module__-I0o8G__body{max-width:720px;margin:0 auto;padding:48px 24px 120px}.MdPage-module-scss-module__-I0o8G__back{color:var(--muted);align-items:center;gap:8px;margin-bottom:48px;font-size:12.5px;transition:color .2s;display:inline-flex}.MdPage-module-scss-module__-I0o8G__back:hover{color:var(--ink)}.MdPage-module-scss-module__-I0o8G__back svg{width:16px;height:16px}.MdPage-module-scss-module__-I0o8G__content{font-family:var(--font-sans);font-size:15px;line-height:1.85}.MdPage-module-scss-module__-I0o8G__content h1,.MdPage-module-scss-module__-I0o8G__content h2,.MdPage-module-scss-module__-I0o8G__content h3{font-family:var(--font-serif);font-weight:400;line-height:1.2}.MdPage-module-scss-module__-I0o8G__content h1:lang(zh),.MdPage-module-scss-module__-I0o8G__content h2:lang(zh),.MdPage-module-scss-module__-I0o8G__content h3:lang(zh){font-weight:700}.MdPage-module-scss-module__-I0o8G__content h1{border-bottom:1px solid var(--rule);letter-spacing:-.02em;margin-bottom:1em;padding-bottom:.6em;font-size:44px}.MdPage-module-scss-module__-I0o8G__content h1:lang(zh){letter-spacing:0;font-size:34px}.MdPage-module-scss-module__-I0o8G__content h2{margin:2em 0 .6em;font-size:26px}.MdPage-module-scss-module__-I0o8G__content h2:lang(zh){font-size:22px}.MdPage-module-scss-module__-I0o8G__content h3{margin:1.4em 0 .5em;font-size:20px}.MdPage-module-scss-module__-I0o8G__content h3:lang(zh){font-size:18px}.MdPage-module-scss-module__-I0o8G__content p,.MdPage-module-scss-module__-I0o8G__content ul,.MdPage-module-scss-module__-I0o8G__content ol{margin-bottom:1em}.MdPage-module-scss-module__-I0o8G__content li{margin-left:1.5em;list-style:outside}.MdPage-module-scss-module__-I0o8G__content ol li{list-style:decimal}.MdPage-module-scss-module__-I0o8G__content a{color:var(--blue-ink);text-decoration:underline;-webkit-text-decoration-color:color-mix(in srgb, var(--blue-ink) 35%, transparent);text-decoration-color:color-mix(in srgb, var(--blue-ink) 35%, transparent);text-underline-offset:3px;transition:text-decoration-color .2s}.MdPage-module-scss-module__-I0o8G__content a:hover{text-decoration-color:currentColor}