@font-face{font-family:Inter;src:url('/assets/inter-400.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}@font-face{font-family:Inter;src:url('/assets/inter-500.ttf') format('truetype');font-style:normal;font-weight:500;font-display:swap}@font-face{font-family:Inter;src:url('/assets/inter-600.ttf') format('truetype');font-style:normal;font-weight:600;font-display:swap}@font-face{font-family:Inter;src:url('/assets/inter-700.ttf') format('truetype');font-style:normal;font-weight:700;font-display:swap}
:root{--bg:#fff;--text:#242528;--muted:#737477;--line:#e9e9eb;--panel:#f7f7f8;--accent:#346dff;--yellow:#b88c10;--hint:#f6f6f7;--warn:#fffbeb;--sidebar:354px;color-scheme:light}html.dark{--bg:#18181b;--text:#ededf0;--muted:#a1a1aa;--line:#303034;--panel:#242427;--accent:#7ca2ff;--yellow:#f2ce4e;--hint:#252529;--warn:#302b1c;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:7px 12px}.icon{width:20px;height:20px;flex:none;vertical-align:middle}header{height:80px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:20}.header-inner{max-width:1760px;margin:auto;height:100%;display:flex;align-items:center}.brand{display:flex;align-items:center;gap:18px;width:var(--sidebar);flex:none;font-size:22px;font-weight:600;line-height:1.4;letter-spacing:-.5px;color:var(--text);padding-left:4px}.brand:hover{text-decoration:none}.brand-symbol{display:block;width:28px;height:28px;border-radius:50%;flex:none;background-image:url('/assets/laika-banner.jpg');background-size:1592px 384px;background-position:-505.6px -181.6px}.dark .brand-symbol{outline:1px solid #555}#search-open{display:flex;align-items:center;gap:10px;width:min(630px,calc(100% - var(--sidebar) - 120px));height:48px;margin-left:60px;border:1px solid #d2d5dc;border-radius:15px;box-shadow:0 1px 3px #151d3812;color:#9297a2;font-size:17px;text-align:left;background:var(--bg)}#search-open>.icon{color:#6c7280}.keys{display:flex;gap:4px;margin-left:auto}kbd{display:inline-flex;align-items:center;justify-content:center;border:1px solid #e0e2e8;border-radius:5px;width:23px;height:24px;font:12px/1 Inter,sans-serif;color:#8e95a1}.layout{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr) 300px;max-width:1760px;margin:auto;align-items:start}#sidebar{grid-column:1;grid-row:1 / span 2;position:sticky;top:80px;height:calc(100dvh - 80px);padding:32px 28px 18px 0;overflow:auto;scrollbar-width:thin;scrollbar-color:transparent transparent;display:flex;flex-direction:column}#sidebar:hover{scrollbar-color:#ddd transparent}.nav-links>a{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:16px;padding:8px 0;line-height:1.65;border-radius:4px}.nav-links>a:hover{color:var(--text);text-decoration:none}.nav-links>a[aria-current]{color:var(--accent);font-weight:600}.nav-links>a>.icon{color:#a3a4a6}.nav-links>a[aria-current]>.icon{color:var(--accent)}.nav-group{font-weight:600;color:var(--text);font-size:13px;line-height:1.5;letter-spacing:.1px;text-transform:uppercase;padding:28px 0 10px}.nav-bottom{padding-top:25px;margin-top:auto}.nav-bottom button{border:0;background:transparent;color:var(--muted);font-size:20px;padding-left:0}.page-cover{grid-column:2 / -1;grid-row:1;line-height:0;min-width:0}.page-cover img{display:block;width:100%;height:auto;border-radius:0 0 14px 14px}main{grid-column:2;min-width:0;padding:42px 60px 60px;position:relative}.has-cover>main{grid-row:2}.page-actions{float:right;margin-left:20px;margin-top:5px}.page-actions button{display:flex;align-items:center;gap:7px;height:34px;font-size:13px;line-height:1;padding:7px 9px;border-color:#d8dce5;border-radius:9px}.page-actions .icon{width:15px;height:15px}h1{font-size:40px;line-height:1.25;letter-spacing:-1.1px;margin:0 0 30px;font-weight:700}h1 .title-icon{width:35px;height:35px;margin-right:12px;vertical-align:-3px;color:var(--muted)}h2{font-size:25px;line-height:1.4;letter-spacing:-.4px;margin:40px 0 16px;font-weight:650}h3{font-size:21px;line-height:1.5;letter-spacing:-.3px;margin:32px 0 16px;font-weight:600}h4{font-size:18px;line-height:1.5;margin:24px 0 12px}p{margin:18px 0}strong{font-weight:600}article>p:first-of-type{margin-top:0}hr{border:0;border-top:1px solid var(--line);margin:32px 0}ul,ol{padding-left:26px;margin:16px 0}li{padding:3px 0}li>p{margin:6px 0}li>ul,li>ol{margin:4px 0}mark{background:transparent;color:var(--yellow)!important}a mark{color:var(--yellow)!important}.heading-anchor{opacity:0;margin-left:10px;font-size:.8em;font-weight:400;color:var(--muted)}h2:hover .heading-anchor,h3:hover .heading-anchor,.heading-anchor:focus{opacity:1}img{max-width:100%;height:auto}figure{margin:28px 0}figure img{display:block;margin:auto;border-radius:8px;cursor:zoom-in}figcaption{font-size:13px;color:var(--muted);text-align:center}blockquote{border-left:3px solid #ddd;margin:24px 0;padding:2px 20px;color:var(--muted)}.hint{display:flex;align-items:flex-start;gap:14px;background:var(--hint);border-radius:8px;padding:16px 20px;margin:24px 0;font-size:15px;line-height:1.65}.hint>.icon{margin-top:3px;color:#74777e}.hint>div{min-width:0}.hint p{margin:0}.hint p+p{margin-top:12px}.hint.warning{background:var(--warn)}.hint.warning>.icon{color:#b98110}code{font-size:.88em;background:var(--panel);padding:3px 5px;border-radius:4px}pre{overflow:auto;background:var(--panel);padding:18px;border:1px solid var(--line);border-radius:8px}table{display:block;overflow:auto;border-collapse:collapse;width:100%;font-size:14px;line-height:1.6;margin:24px 0}td,th{border:1px solid var(--line);padding:12px 15px;min-width:110px;text-align:left;vertical-align:top}th{font-weight:600;background:var(--panel)}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}.card{display:block;border:1px solid #e3e5e8;border-radius:8px;overflow:hidden;color:var(--text);line-height:1.5;box-shadow:0 1px 2px #00000005}.card:hover{text-decoration:none;border-color:#a9b0bd;box-shadow:0 2px 6px #00000008}.card img{display:block;width:100%;height:auto}.card>div{padding:18px}.card-icon{display:block;margin-bottom:13px;color:var(--muted);width:24px;height:24px}.card strong{display:block;font-size:17px}.card p{font-size:14px;line-height:1.6;margin:8px 0 0;color:var(--muted)}.toc{grid-column:3;position:sticky;top:105px;max-height:calc(100vh - 130px);overflow:auto;padding:44px 18px 25px 0;font-size:13px;scrollbar-width:thin}.has-cover>.toc{grid-row:2}.toc>span{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:600;line-height:1.5;color:#727782;margin-bottom:18px}.toc>span .icon{width:16px;height:16px}.toc a{display:block;line-height:1.6;margin:0;padding:6px 0;color:var(--muted)}.toc a:hover,.toc a.active{color:var(--accent);text-decoration:none}.toc br{display:none}.pagination{display:flex;justify-content:space-between;gap:16px;margin-top:48px}.pagination>a{display:flex;align-items:center;gap:16px;border:1px solid var(--line);border-radius:8px;padding:16px 20px;flex:1;font-size:15px;line-height:1.5;color:var(--text);min-width:0}.pagination>a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}.pagination small{display:block;color:var(--muted);font-size:12px;margin-bottom:2px}.pagination .previous>.icon{transform:rotate(180deg)}.pagination .next{text-align:right;justify-content:flex-end}.pagination>span{flex:1}.skip{position:fixed;left:10px;top:-100px;z-index:100;background:var(--bg);padding:10px}.skip:focus{top:10px}#menu{display:none}dialog{background:var(--bg);color:var(--text);width:min(640px,94vw);max-height:75vh;padding:0;border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 80px #0004}dialog::backdrop{background:#161b2a65;backdrop-filter:blur(2px)}.search-head{display:flex;align-items:center;border-bottom:1px solid var(--line);padding:12px 16px;gap:10px;color:var(--muted)}.search-head input{border:0;background:none;outline:none;color:var(--text);width:100%;padding:8px}.search-head button{font-size:11px;padding:3px 6px}#results{overflow:auto;max-height:55vh;padding:12px;color:var(--muted);font-size:14px}#results a{display:block;color:var(--text);padding:12px;border-radius:6px}#results a:hover{background:var(--panel);text-decoration:none}#results small{display:block;font-size:12px;color:var(--muted);margin-top:4px}#image-dialog{width:fit-content;max-width:96vw;max-height:94vh;background:transparent;border:0;box-shadow:none;overflow:visible}#image-dialog img{display:block;max-height:88vh;object-fit:contain}#image-close{position:absolute;right:0;top:-35px;background:var(--bg)}
@media(max-width:1850px){:root{--sidebar:290px}.header-inner,.layout{max-width:calc(100% - 96px)}.layout{grid-template-columns:var(--sidebar) minmax(0,1fr) 220px}main{padding:40px}#search-open{margin-left:40px}.brand{font-size:20px;gap:14px}#sidebar{padding-right:20px}}@media(max-width:1200px){:root{--sidebar:250px}.layout{grid-template-columns:var(--sidebar) minmax(0,1fr)}.toc{display:none}.header-inner,.layout{max-width:calc(100% - 48px)}main{padding:36px}.nav-links>a{font-size:14px}#search-open{margin-left:36px;width:min(630px,calc(100% - var(--sidebar) - 36px))}}@media(max-width:800px){header{height:64px}.header-inner{max-width:none;padding:0 18px;gap:14px}.brand{width:auto;font-size:17px;gap:10px}.brand-symbol{width:24px;height:24px;background-size:1364.57px 329.14px;background-position:-433.37px -155.66px}#menu{display:flex;padding:4px;border:0}#search-open{margin-left:auto;width:36px;height:36px;border:0;padding:8px;box-shadow:none}#search-open>span{display:none}.layout{display:block;max-width:none}#sidebar{display:none;position:fixed;top:64px;left:0;bottom:0;width:300px;height:auto;padding:22px 24px;background:var(--bg);box-shadow:15px 0 35px #0002;z-index:15}#sidebar.open{display:flex}.nav-links>a{font-size:15px}.page-cover{margin:0 18px}.page-cover img{border-radius:0 0 9px 9px}main{padding:30px 24px 45px}h1{font-size:32px;margin-bottom:25px}h1 .title-icon{width:27px;height:27px}.page-actions{margin:0 0 16px 12px}.page-actions button span{display:none}body{font-size:15px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.pagination>a{padding:13px;font-size:13px}.pagination .icon{width:16px}html{scroll-padding-top:88px}}@media(max-width:480px){.cards{grid-template-columns:1fr}.pagination{gap:10px}.pagination>a{gap:8px}.brand{font-size:16px}}
.table-scroll{width:100%;max-width:100%;overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:5px}.table-scroll table{display:table;width:100%;margin:0;border-style:hidden}.table-scroll td,.table-scroll th{min-width:110px}article{overflow-wrap:break-word}
.math-equation{display:flex;align-items:center;justify-content:center;gap:16px;margin:28px 0;padding:16px 0;color:var(--text);font-size:16px;line-height:1.6}.math-label{flex:none}.math-fraction{display:inline-flex;flex-direction:column;text-align:center;min-width:0}.math-numerator{padding:0 8px 9px;border-bottom:1px solid currentColor}.math-denominator{padding:9px 8px 0}@media(max-width:480px){.math-equation{gap:10px;font-size:13px}.math-numerator,.math-denominator{padding-left:3px;padding-right:3px}}