:root{color-scheme:light;--bg:#fff;--surface:#fff;--header:#e8eefc;--ink:#181d26;--muted:#616b7b;--line:#e1e5ec;--accent:#1e54c8;--accent-soft:#e7efff;--code:#f4f6fa;--shadow:0 16px 50px #18244818}html[data-theme="dark"]{color-scheme:dark;--bg:#11151d;--surface:#171c25;--header:#1a2742;--ink:#e9edf5;--muted:#aab4c5;--line:#2b3442;--accent:#8ab0ff;--accent-soft:#1c315d;--code:#101720;--shadow:0 16px 50px #0008}@media(prefers-color-scheme:dark){html[data-theme="system"]{color-scheme:dark;--bg:#11151d;--surface:#171c25;--header:#1a2742;--ink:#e9edf5;--muted:#aab4c5;--line:#2b3442;--accent:#8ab0ff;--accent-soft:#1c315d;--code:#101720;--shadow:0 16px 50px #0008}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header{height:64px;position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1440px)/2));background:color-mix(in srgb,var(--header) 92%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none}.brand-logo{display:block;width:auto;height:42px;max-width:230px;object-fit:contain}.brand-logo-dark{display:none}.brand span{color:var(--accent);font-size:15px;font-weight:700;letter-spacing:-.02em;border-left:1px solid var(--line);padding-left:8px}html[data-theme="dark"] .brand-logo-light{display:none}html[data-theme="dark"] .brand-logo-dark{display:block}@media(prefers-color-scheme:dark){html[data-theme="system"] .brand-logo-light{display:none}html[data-theme="system"] .brand-logo-dark{display:block}}.header-actions{display:flex;align-items:center;gap:8px}button{font:inherit;color:inherit;cursor:pointer}.search-button,.menu-button{border:1px solid var(--line);background:var(--surface);border-radius:8px;min-height:34px}.search-button{display:flex;align-items:center;gap:9px;padding:0 9px;color:var(--muted)}kbd{font-size:11px;background:var(--code);border:1px solid var(--line);border-radius:4px;padding:1px 4px}.menu-button{width:34px}.menu-button{display:none}.shell{max-width:1440px;margin:auto;display:grid;grid-template-columns:260px minmax(0,760px) 210px;gap:52px;padding:36px 32px 80px}.sidebar,.page-toc{position:sticky;top:92px;height:max-content}.sidebar-nav{display:grid;gap:3px}.nav-section{border-radius:8px}.nav-row{display:flex;align-items:center}.nav-row>a,.nav-children a{color:var(--muted);text-decoration:none;display:block;padding:6px 8px;border-radius:6px;flex:1}.nav-row>a:hover,.nav-children a:hover{background:var(--code);color:var(--ink)}.nav-row>a.active,.nav-children a.active{background:var(--accent-soft);color:var(--accent);font-weight:650}.nav-toggle{border:0;background:transparent;color:var(--muted);height:30px;width:30px;transition:transform .2s}.nav-section.open .nav-toggle{transform:rotate(180deg)}.nav-children{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}.nav-section.open .nav-children{grid-template-rows:1fr}.nav-children>div{overflow:hidden}.nav-children a{margin:2px 0 2px 14px;padding-left:12px;font-size:14px;opacity:0;transform:translateY(-4px);transition:opacity .2s,transform .2s}.nav-section.open .nav-children a{opacity:1;transform:none}.breadcrumbs{font-size:13px;color:var(--accent);font-weight:650;margin-bottom:16px}.breadcrumbs a{color:inherit;text-decoration:none}.breadcrumbs a:hover{text-decoration:underline}article{min-width:0}h1{font-size:40px;line-height:1.15;letter-spacing:-.045em;margin:0 0 12px}h2{font-size:26px;line-height:1.3;letter-spacing:-.025em;margin:46px 0 14px;scroll-margin-top:88px}h3{font-size:19px;line-height:1.4;margin:30px 0 10px;scroll-margin-top:88px}.lede{font-size:18px;line-height:1.55;color:var(--muted);margin:0 0 30px}p{margin:0 0 18px}a{color:var(--accent)}.image-zoom{display:block;max-width:100%;padding:0;border:0;background:transparent;cursor:zoom-in;margin:24px auto;border-radius:10px}.image-zoom img{display:block;max-width:100%;height:auto;border-radius:10px;border:1px solid var(--line);box-shadow:0 5px 20px #0000000b;transition:transform .2s,box-shadow .2s}.image-zoom:hover img{transform:scale(1.01);box-shadow:0 10px 30px #00000020}.image-zoom:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.image-zoom.compact{max-width:500px}ul,ol{padding-left:24px;margin:0 0 18px}li{margin:6px 0}code{font:13px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;background:var(--code);padding:2px 5px;border-radius:4px}pre{overflow:auto;background:var(--code);border:1px solid var(--line);padding:16px;border-radius:9px;margin:22px 0}pre code{padding:0;background:none}.callout{background:var(--accent-soft);border-left:3px solid var(--accent);padding:12px 15px;border-radius:0 8px 8px 0;margin:20px 0;color:var(--ink)}.page-toc{border-left:1px solid var(--line);padding-left:18px;font-size:13px}.page-toc p{font-weight:700;margin:0 0 8px}.page-toc a{display:block;text-decoration:none;color:var(--muted);padding:3px 0}.page-toc .toc-l3{padding-left:12px;font-size:12px}.page-toc a:hover,.page-toc a.active{color:var(--accent)}.search-dialog{border:0;background:transparent;padding:0;width:min(680px,calc(100vw - 32px));max-width:680px}.search-dialog::backdrop{background:#080d18aa;backdrop-filter:blur(3px)}.search-box{margin:13vh auto 0;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.search-box>div:first-child{display:flex;border-bottom:1px solid var(--line)}.search-box input{flex:1;background:transparent;border:0;outline:0;padding:18px;font:inherit;color:inherit}.search-box button{border:0;background:transparent;font-size:24px;padding:0 16px;color:var(--muted)}.search-results{max-height:50vh;overflow:auto;padding:8px}.search-result{display:block;color:var(--ink);text-decoration:none;padding:11px;border-radius:8px}.search-result:hover{background:var(--accent-soft)}.search-result strong{display:block;color:var(--accent)}.search-result span{display:block;color:var(--muted);font-size:13px;line-height:1.4;margin-top:3px}@media(max-width:1050px){.shell{grid-template-columns:230px minmax(0,1fr);gap:36px}.page-toc{display:none}}@media(max-width:720px){header{padding:0 16px}.search-button span,.search-button kbd{display:none}.menu-button{display:block}.shell{display:block;padding:24px 20px 60px}.sidebar{position:fixed;top:64px;bottom:0;left:0;width:min(340px,88vw);padding:20px;background:var(--surface);border-right:1px solid var(--line);z-index:10;overflow:auto;transform:translateX(-105%);transition:transform .25s}.sidebar.menu-open{transform:none}h1{font-size:32px}h2{font-size:24px}.lede{font-size:17px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}
.image-dialog{border:0;background:transparent;padding:0;max-width:min(96vw,1500px);max-height:94vh}.image-dialog::backdrop{background:#080d18dd;backdrop-filter:blur(3px)}.image-dialog>div{position:relative}.image-dialog img{display:block;max-width:96vw;max-height:90vh;width:auto;height:auto;border-radius:9px;box-shadow:var(--shadow)}.image-close{position:absolute;top:10px;right:10px;width:38px;height:38px;border:0;border-radius:50%;background:#121826dd;color:#fff;font-size:27px;line-height:1;z-index:1}.image-close:hover{background:#000}.image-dialog{cursor:zoom-out}.image-dialog>div{cursor:default}footer{max-width:1440px;margin:0 auto;padding:22px 32px 32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}footer div{display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px}footer strong{color:var(--ink)}footer a{color:var(--muted)}footer a:hover{color:var(--accent)}footer span+span:before,footer a:before{content:"";display:inline-block;height:12px;border-left:1px solid var(--line);margin-right:14px;vertical-align:-2px}@media(max-width:720px){footer{padding:20px;display:block}footer div+div{margin-top:9px}}.theme-switch{display:inline-flex;gap:2px;padding:2px;border:1px solid var(--line);border-radius:6px;background:var(--surface);box-shadow:0 1px 2px #00000012}.theme-switch button{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border:0;border-radius:4px;background:transparent;color:var(--muted);font:600 11px ui-monospace,SFMono-Regular,Consolas,monospace;transition:color .1s,background .1s}.theme-switch button:hover{color:var(--ink)}html[data-theme="light"] .theme-switch [data-theme-choice="light"],html[data-theme="dark"] .theme-switch [data-theme-choice="dark"]{background:var(--code);color:var(--ink)}@media(max-width:720px){.theme-switch button{padding:4px 7px}.theme-switch button svg{display:none}}@media(max-width:720px){.search-dialog[open]{position:fixed;inset:0;margin:0;width:100dvw;max-width:100dvw;height:100dvh;max-height:100dvh;padding:12px;overflow:hidden;align-items:flex-start;justify-content:center}.search-dialog[open] .search-box{width:100%;max-width:100%;margin:72px 0 0}.search-dialog[open] .search-results{max-height:calc(100dvh - 190px);overflow-y:auto;overflow-x:hidden}.search-box input{min-width:0}.search-result{overflow-wrap:anywhere}}
@media(max-width:720px){.search-box input{font-size:16px}}
@media(max-width:720px){.search-box input{font-size:16px!important;line-height:1.5;-webkit-text-size-adjust:100%;text-size-adjust:100%}}