html.dx{--shellw:min(1400px, calc(100vw - 48px));--shell:var(--shellw);--bleed:calc((100vw - var(--shellw)) / -2);--dx-bar-h:52px;--dx-side-w:264px;--dx-toc-w:232px;--font-code:ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;--code-bg:#0B0D12;--code-bar:#12151C;--code-line:rgba(255, 255, 255, 0.08);--dx-hd-bg:rgba(255, 255, 255, 0.86);--dx-note:var(--blue-600);--dx-note-bg:var(--blue-050);--dx-tip:var(--green-600);--dx-tip-bg:#EEFAF4;--dx-warn:var(--amber-600);--dx-warn-bg:#FFF6EC;scroll-padding-top:calc(var(--dx-bar-h) + 24px);color-scheme:light}@media(max-width:640px){html.dx{--shellw:100vw}}html.dx[data-theme=dark]{color-scheme:dark;--surface-page:#0A0B0E;--surface-subtle:#111319;--surface-sunken:#161920;--surface-card:#0E1015;--text-primary:#ECEEF3;--text-secondary:#A1A8B8;--text-tertiary:#7E8699;--text-disabled:#5D6474;--text-link:#8C9DFF;--text-link-hover:#B3C0FF;--border-hairline:#1E222B;--border-strong:#2C313C;--accent:#4C66FF;--accent-hover:#6A80FF;--accent-soft:rgba(85, 112, 255, 0.16);--blue-050:rgba(85, 112, 255, 0.08);--blue-100:rgba(85, 112, 255, 0.16);--ink-050:#111319;--ink-100:#161920;--dx-hd-bg:rgba(10, 11, 14, 0.86);--dx-note:#8C9DFF;--dx-note-bg:rgba(85, 112, 255, 0.08);--dx-tip:#4FD1A1;--dx-tip-bg:rgba(14, 159, 110, 0.10);--dx-warn:#FFA24D;--dx-warn-bg:rgba(255, 122, 0, 0.09);--code-bg:#07080B;--code-bar:#0E1015}html.dx,.dx-body{background:var(--surface-page)}.dx-body{margin:0;color:var(--text-primary);font:var(--type-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.dx-body *,.dx-body *::before,.dx-body *::after{box-sizing:border-box}.dx-body :focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}:where(.dx-body) button{font:inherit;color:inherit}.dx-body [hidden]{display:none!important}html.dx .hd{position:relative;background:var(--dx-hd-bg)}html.dx[data-theme=dark] .hd-logo>span:first-child{background:#1b1f27!important;box-shadow:inset 0 0 0 1px #2C313C}html.dx[data-theme=dark] .hd .hd-drop,html.dx[data-theme=dark] .hd .hd-lang-drop{border-color:var(--border-strong)}html.dx[data-theme=dark] .hd-mobile{background:var(--surface-page)}.dx-bar{position:sticky;top:0;z-index:35;background:var(--dx-hd-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-hairline)}.dx-bar-in{width:var(--shell);margin:0 auto;height:var(--dx-bar-h);display:flex;align-items:center;gap:var(--space-4);padding:0 var(--space-6);border-inline:1px solid var(--border-hairline)}.dx-bar-home{display:inline-flex;align-items:center;gap:10px;width:calc(var(--dx-side-w) - var(--space-6) - var(--space-4));flex-shrink:0;font:var(--weight-semibold)var(--text-sm)/1 var(--font-sans);color:var(--text-primary);text-decoration:none}.dx-bar-mark{width:10px;height:10px;background:var(--accent)}.dx-menu{display:none}.dx-search-trigger{display:flex;align-items:center;gap:10px;flex:0 1 420px;height:34px;padding:0 8px 0 12px;background:var(--surface-subtle);border:1px solid var(--border-hairline);border-radius:var(--radius-xs);color:var(--text-tertiary);cursor:pointer;text-align:left;transition:var(--transition-control)}.dx-search-trigger:hover{border-color:var(--border-strong);color:var(--text-secondary)}.dx-search-ph{flex:1;font-size:var(--text-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dx-kbd{display:inline-flex;align-items:center;justify-content:center;gap:2px;min-width:22px;height:20px;padding:0 5px;font:var(--weight-medium)11px/1 var(--font-sans);color:var(--text-tertiary);background:var(--surface-page);border:1px solid var(--border-hairline);border-radius:var(--radius-xs)}.dx-bar-right{margin-left:auto;display:flex;align-items:center;gap:var(--space-2)}.dx-bar-link{padding:6px 10px;font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-xs)}.dx-bar-link:hover{color:var(--text-primary);background:var(--surface-subtle)}.dx-theme{display:grid;place-items:center;width:34px;height:34px;background:0 0;border:1px solid var(--border-hairline);border-radius:var(--radius-xs);color:var(--text-secondary);cursor:pointer;transition:var(--transition-control)}.dx-theme:hover{color:var(--text-primary);border-color:var(--border-strong)}.dx-ico-moon{display:none}html.dx[data-theme=dark] .dx-ico-sun{display:none}html.dx[data-theme=dark] .dx-ico-moon{display:block}.dx-app{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;background:var(--accent);color:#fff;text-decoration:none;font:var(--weight-medium)var(--text-sm)/1 var(--font-sans);border-radius:var(--radius-xs);transition:var(--transition-control)}.dx-app:hover{background:var(--accent-hover)}.dx-shell{width:var(--shell);margin:0 auto;display:grid;grid-template-columns:var(--dx-side-w)minmax(0,1fr)var(--dx-toc-w);border-inline:1px solid var(--border-hairline);min-height:calc(100vh - var(--dx-bar-h))}.dx-side{position:sticky;top:var(--dx-bar-h);height:calc(100vh - var(--dx-bar-h));overflow-y:auto;overscroll-behavior:contain;border-right:1px solid var(--border-hairline);padding:var(--space-6)var(--space-4)var(--space-16);scrollbar-width:thin;scrollbar-color:var(--border-strong)transparent}.dx-nav-group+.dx-nav-group{margin-top:var(--space-6)}.dx-nav-label{display:block;padding:0 10px;margin-bottom:6px;font:var(--weight-semibold)var(--text-2xs)/1.4 var(--font-sans);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-tertiary);text-decoration:none}a.dx-nav-label:hover,.dx-nav-label.is-active{color:var(--accent)}.dx-nav ul{list-style:none;margin:0;padding:0}.dx-nav-item{position:relative;display:flex;align-items:center;gap:10px;padding:6px 10px;margin:1px 0;font-size:var(--text-sm);line-height:1.35;color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-xs);transition:color var(--dur-fast)var(--ease-out),background-color var(--dur-fast)var(--ease-out)}.dx-nav-item .dx-ic{flex-shrink:0;color:var(--text-tertiary)}.dx-nav-item:hover{color:var(--text-primary);background:var(--surface-subtle)}.dx-nav-item.is-active{color:var(--accent);background:var(--accent-soft);font-weight:var(--weight-medium)}.dx-nav-item.is-active .dx-ic{color:var(--accent)}.dx-nav-item.is-active::before{content:"";position:absolute;left:calc(-1 * var(--space-4));top:4px;bottom:4px;width:2px;background:var(--accent)}.dx-badge{margin-left:auto;padding:2px 6px;font:var(--weight-semibold)10px/1.2 var(--font-sans);letter-spacing:.04em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border-radius:2px}.dx-main{min-width:0}.dx-article{max-width:800px;margin:0 auto;padding:var(--space-12)var(--space-12)var(--space-16)}.dx-head{padding-bottom:var(--space-8);margin-bottom:var(--space-8);border-bottom:1px solid var(--border-hairline)}.dx-eyebrow{margin:0 0 var(--space-3);font:var(--weight-semibold)var(--text-xs)/1 var(--font-sans);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--accent)}.dx-title{margin:0;font:var(--weight-semibold)clamp(30px,3.4vw,40px)/1.12 var(--font-sans);letter-spacing:var(--tracking-tight);color:var(--text-primary)}.dx-lead{margin:var(--space-4)0 0;max-width:64ch;font:var(--type-body-lg);color:var(--text-secondary)}.dx-lead p{margin:0}.dx-actions{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-6)}.dx-act{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px;font:var(--weight-medium)var(--text-xs)/1 var(--font-sans);color:var(--text-secondary);text-decoration:none;cursor:pointer;background:var(--surface-page);border:1px solid var(--border-hairline);border-radius:var(--radius-xs);transition:var(--transition-control)}.dx-act:hover{color:var(--text-primary);border-color:var(--border-strong)}.dx-act.is-done{color:var(--positive);border-color:initial}.dx-prose{font-size:16px;line-height:1.72;color:var(--text-secondary)}.dx-prose>:first-child{margin-top:0}.dx-prose p,.dx-prose ul,.dx-prose ol{margin:0 0 var(--space-5)}.dx-prose strong{color:var(--text-primary);font-weight:var(--weight-semibold)}.dx-prose a{color:var(--text-link);text-decoration:underline;text-decoration-color:color-mix(in srgb,currentColor 35%,transparent);text-underline-offset:3px;text-decoration-thickness:1px}.dx-prose a:hover{color:var(--text-link-hover);text-decoration-color:initial}.dx-prose ul,.dx-prose ol{padding-left:1.3em}.dx-prose li{margin:6px 0;padding-left:2px}.dx-prose li::marker{color:var(--text-tertiary)}.dx-prose ul>li::marker{content:"▪  ";font-size:.8em;color:var(--accent)}.dx-prose hr{border:0;border-top:1px solid var(--border-hairline);margin:var(--space-10)0}.dx-prose img{max-width:100%;height:auto;border:1px solid var(--border-hairline);display:block;margin:var(--space-6)0}.dx-prose blockquote{margin:var(--space-6)0;padding:2px 0 2px var(--space-5);border-left:2px solid var(--border-strong);color:var(--text-secondary);font-style:italic}.dx-h{position:relative;color:var(--text-primary);scroll-margin-top:calc(var(--dx-bar-h) + 24px)}.dx-prose h2.dx-h{margin:var(--space-12)0 var(--space-4);font:var(--weight-semibold)24px/1.25 var(--font-sans);letter-spacing:var(--tracking-snug)}.dx-prose h3.dx-h{margin:var(--space-8)0 var(--space-3);font:var(--weight-semibold)18px/1.35 var(--font-sans)}.dx-prose h4.dx-h{margin:var(--space-6)0 var(--space-2);font:var(--weight-semibold)16px/1.4 var(--font-sans)}.dx-anchor{margin-left:8px;color:var(--text-disabled)!important;text-decoration:none!important;opacity:0;transition:opacity var(--dur-fast)var(--ease-out)}.dx-h:hover .dx-anchor,.dx-anchor:focus-visible{opacity:1}.dx-prose :not(pre)>code{padding:2px 6px;font:500 .86em/1 var(--font-code);color:var(--text-primary);background:var(--surface-sunken);border:1px solid var(--border-hairline);border-radius:var(--radius-xs);word-break:break-word}.dx-code{margin:var(--space-6)0;background:var(--code-bg);border:1px solid var(--border-ink);border-radius:var(--radius-sm);overflow:hidden}html.dx[data-theme=dark] .dx-code{border-color:var(--border-strong)}.dx-code-bar{display:flex;align-items:center;justify-content:space-between;height:36px;padding:0 8px 0 14px;background:var(--code-bar);border-bottom:1px solid var(--code-line);font:var(--weight-medium)var(--text-xs)/1 var(--font-sans);color:rgba(255,255,255,.5)}.dx-code-copy{height:24px;padding:0 8px;cursor:pointer;font:var(--weight-medium)11px/1 var(--font-sans)!important;color:rgba(255,255,255,.6)!important;background:0 0;border:1px solid var(--code-line);border-radius:var(--radius-xs)}.dx-code-copy:hover{color:#fff!important;border-color:rgba(255,255,255,.24)}.dx-code-copy.is-done{color:#4fd1a1!important}.dx-code pre{margin:0;padding:16px 18px;overflow-x:auto;background:0 0!important;font:13.5px/1.65 var(--font-code);color:#e6edf3;tab-size:2}.dx-code pre code{font:inherit;background:0 0;border:0;padding:0}.dx-table{margin:var(--space-6)0;overflow-x:auto;border:1px solid var(--border-hairline);border-radius:var(--radius-xs)}.dx-table table{width:100%;border-collapse:collapse;font-size:var(--text-sm);line-height:1.5}.dx-table th{text-align:left;padding:10px 14px;font:var(--weight-semibold)var(--text-xs)/1.3 var(--font-sans);letter-spacing:.02em;color:var(--text-primary);background:var(--surface-subtle);border-bottom:1px solid var(--border-hairline);white-space:nowrap}.dx-table td{padding:10px 14px;border-top:1px solid var(--border-hairline);vertical-align:top;color:var(--text-secondary)}.dx-table tr:first-child td{border-top:0}.dx-table td:first-child{color:var(--text-primary);font-weight:var(--weight-medium)}.dx-table td code{white-space:nowrap}.dx-callout{display:flex;gap:12px;margin:var(--space-6)0;padding:14px 16px;--c:var(--dx-note);--cb:var(--dx-note-bg);background:var(--cb);border:1px solid color-mix(in srgb,var(--c) 22%,transparent);border-left:3px solid var(--c);border-radius:0 var(--radius-xs)var(--radius-xs)0;font-size:15px;line-height:1.65}.dx-callout--tip,.dx-callout--check{--c:var(--dx-tip);--cb:var(--dx-tip-bg)}.dx-callout--warning{--c:var(--dx-warn);--cb:var(--dx-warn-bg)}.dx-callout-ic{flex-shrink:0;margin-top:4px;color:var(--c)}.dx-callout-b{min-width:0;color:var(--text-secondary)}.dx-callout-b>:last-child{margin-bottom:0}.dx-callout-b>p{margin-bottom:var(--space-2)}.dx-callout-t{font-weight:var(--weight-semibold);color:var(--text-primary);margin:0 0 4px!important}.dx-cards{display:grid;margin:var(--space-6)0;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--border-hairline);border-left:1px solid var(--border-hairline)}.dx-cards--3{grid-template-columns:repeat(3,minmax(0,1fr))}.dx-cards--1{grid-template-columns:minmax(0,1fr)}.dx-card{position:relative;display:flex;flex-direction:column;gap:6px;padding:20px 20px 22px;border-right:1px solid var(--border-hairline);border-bottom:1px solid var(--border-hairline);background:var(--surface-page);color:inherit!important;text-decoration:none!important;transition:background-color var(--dur-fast)var(--ease-out)}.dx-card::after{content:"";position:absolute;inset:-1px;pointer-events:none;border:1px solid var(--accent);opacity:0;transition:opacity var(--dur-fast)var(--ease-out)}.dx-card:hover{background:var(--surface-subtle)}.dx-card:hover::after{opacity:1}.dx-card-ic{display:grid;place-items:center;width:32px;height:32px;margin-bottom:6px;color:var(--accent);background:var(--accent-soft);border-radius:var(--radius-xs)}.dx-card-t{font:var(--weight-semibold)15px/1.35 var(--font-sans);color:var(--text-primary)}.dx-card-t::after{content:" →";color:var(--text-disabled);transition:color var(--dur-fast)var(--ease-out)}.dx-card:hover .dx-card-t::after{color:var(--accent)}.dx-card-d{font-size:var(--text-sm);line-height:1.55;color:var(--text-secondary)}.dx-card-d p{margin:0}.dx-prose .dx-steps{list-style:none;margin:var(--space-6)0;padding:0;counter-reset:dxstep}.dx-prose .dx-step{position:relative;padding:0 0 var(--space-6)48px;margin:0;counter-increment:dxstep}.dx-prose .dx-step::marker{content:none}.dx-step::before{content:counter(dxstep);position:absolute;left:0;top:0;display:grid;place-items:center;width:28px;height:28px;font:var(--weight-semibold)13px/1 var(--font-sans);color:#fff;background:var(--accent);font-variant-numeric:tabular-nums}.dx-step::after{content:"";position:absolute;left:13.5px;top:36px;bottom:6px;width:1px;background:var(--border-strong)}.dx-prose .dx-step:last-child{padding-bottom:0}.dx-step:last-child::after{display:none}.dx-step-t{margin:2px 0 6px!important;font:var(--weight-semibold)16px/1.45 var(--font-sans);color:var(--text-primary)}.dx-step-b>:last-child{margin-bottom:0}.dx-step-b .dx-code{margin:var(--space-3)0}.dx-formula{margin:var(--space-6)0;border:1px solid var(--border-hairline);background:var(--surface-subtle);background-image:var(--pattern-hatch-ink)}html.dx[data-theme=dark] .dx-formula{background-image:var(--pattern-hatch);background-color:var(--surface-subtle)}.dx-formula figcaption{padding:8px 14px;border-bottom:1px solid var(--border-hairline);font:var(--weight-semibold)var(--text-2xs)/1.3 var(--font-sans);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-tertiary);background:var(--surface-page)}.dx-formula-b{padding:18px 16px;text-align:center;font:var(--weight-medium)17px/1.5 var(--font-sans);color:var(--text-primary);font-variant-numeric:tabular-nums}.dx-formula-b p{margin:0}.dx-formula-b code{font-size:.9em}.dx-defn{display:grid;grid-template-columns:minmax(0,1.5fr)minmax(0,1fr);margin:0 0 var(--space-8);border:1px solid var(--border-hairline)}.dx-defn-main{padding:20px 22px;border-right:1px solid var(--border-hairline);position:relative}.dx-defn-main::before{content:"";position:absolute;left:-1px;top:-1px;width:3px;height:40px;background:var(--accent)}.dx-defn-k,.dx-defn-meta dt{margin:0 0 6px;font:var(--weight-semibold)var(--text-2xs)/1.3 var(--font-sans);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-tertiary)}.dx-defn-term{margin:0 0 8px!important;font:var(--weight-semibold)19px/1.3 var(--font-sans);color:var(--text-primary)}.dx-defn-d{font-size:15px;line-height:1.6}.dx-defn-d p{margin:0}.dx-defn-meta{margin:0;display:flex;flex-direction:column}.dx-defn-meta>div{padding:12px 18px;border-bottom:1px solid var(--border-hairline);flex:1}.dx-defn-meta>div:last-child{border-bottom:0}.dx-defn-meta dt{margin-bottom:3px}.dx-defn-meta dd{margin:0;font-size:var(--text-sm);line-height:1.45;color:var(--text-primary);font-weight:var(--weight-medium)}.dx-defn-meta dd p{margin:0}.dx-tabs{margin:var(--space-6)0}.dx-tabs.is-ready{border:1px solid var(--border-hairline)}.dx-tablist{display:flex;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid var(--border-hairline);background:var(--surface-subtle)}.dx-tablist button{position:relative;flex-shrink:0;padding:11px 16px;cursor:pointer;font:var(--weight-medium)var(--text-sm)/1 var(--font-sans);color:var(--text-tertiary);background:0 0;border:0;border-right:1px solid var(--border-hairline)}.dx-tablist button:hover{color:var(--text-primary)}.dx-tablist button[aria-selected=true]{color:var(--text-primary);background:var(--surface-page)}.dx-tablist button[aria-selected=true]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent)}.dx-tab-t{font-weight:var(--weight-semibold);color:var(--text-primary)}.dx-tabs.is-ready .dx-tab{padding:18px 20px 4px}.dx-tabs.is-ready .dx-tab-t{display:none}.dx-tabs.is-ready .dx-tab:not(.is-on){display:none}.dx-acc{border:1px solid var(--border-hairline);margin:0;background:var(--surface-page)}.dx-acc+.dx-acc{border-top:0}.dx-prose>.dx-acc:first-of-type,.dx-acc:not(.dx-acc+.dx-acc){margin-top:var(--space-6)}.dx-acc summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;cursor:pointer;list-style:none;font:var(--weight-medium)15px/1.4 var(--font-sans);color:var(--text-primary)}.dx-acc summary::-webkit-details-marker{display:none}.dx-acc summary::after{content:"+";font-size:18px;color:var(--text-tertiary);line-height:1}.dx-acc[open] summary::after{content:"−";color:var(--accent)}.dx-acc summary p{margin:0}.dx-acc-b{padding:0 18px 4px;font-size:15px}.dx-foot{margin-top:var(--space-16)}.dx-pager{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border-hairline)}.dx-pg{display:flex;flex-direction:column;gap:4px;padding:16px 20px;text-decoration:none;transition:background-color var(--dur-fast)var(--ease-out)}.dx-pg:hover{background:var(--surface-subtle)}.dx-pg--next{text-align:right;border-left:1px solid var(--border-hairline);grid-column:2}.dx-pg-k{font:var(--weight-medium)var(--text-xs)/1 var(--font-sans);color:var(--text-tertiary)}.dx-pg-t{font:var(--weight-semibold)15px/1.35 var(--font-sans);color:var(--text-primary)}.dx-pg:hover .dx-pg-t{color:var(--accent)}.dx-foot-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;margin-top:var(--space-6);font-size:var(--text-xs);color:var(--text-tertiary)}.dx-foot-meta a{color:var(--text-secondary)}.dx-toc{position:sticky;top:var(--dx-bar-h);height:calc(100vh - var(--dx-bar-h));overflow-y:auto;padding:var(--space-12)var(--space-5)var(--space-10);border-left:1px solid var(--border-hairline);scrollbar-width:none}.dx-toc-t{margin:0 0 12px;font:var(--weight-semibold)var(--text-2xs)/1.3 var(--font-sans);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-tertiary)}.dx-toc ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--border-hairline)}.dx-toc li a{position:relative;display:block;padding:5px 0 5px 14px;font-size:13px;line-height:1.4;color:var(--text-tertiary);text-decoration:none;transition:color var(--dur-fast)var(--ease-out)}.dx-toc li.dx-toc-l3 a{padding-left:26px;font-size:12.5px}.dx-toc li a:hover{color:var(--text-primary)}.dx-toc li a.is-active{color:var(--accent)}.dx-toc li a.is-active::before{content:"";position:absolute;left:-1px;top:4px;bottom:4px;width:2px;background:var(--accent)}.dx-toc-cta{margin-top:var(--space-8);padding:16px;border:1px solid var(--border-hairline);background:var(--surface-subtle);background-image:var(--pattern-hatch-ink)}html.dx[data-theme=dark] .dx-toc-cta{background-image:var(--pattern-hatch)}.dx-toc-cta-t{margin:0 0 6px;font:var(--weight-semibold)13px/1.3 var(--font-sans);color:var(--text-primary)}.dx-toc-cta-d{margin:0 0 10px;font-size:12.5px;line-height:1.5;color:var(--text-secondary)}.dx-toc-cta a{font:var(--weight-semibold)12.5px/1 var(--font-sans);color:var(--accent);text-decoration:none}.dx-search{position:fixed;inset:0;z-index:90;display:flex;align-items:flex-start;justify-content:center;padding:12vh 16px 16px;background:rgba(8,9,11,.44);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.dx-search-box{width:min(640px,100%);max-height:70vh;display:flex;flex-direction:column;background:var(--surface-page);border:1px solid var(--border-strong);box-shadow:var(--shadow-float)}.dx-search-field{display:flex;align-items:center;gap:10px;padding:0 14px;border-bottom:1px solid var(--border-hairline);color:var(--text-tertiary)}.dx-search-field input{flex:1;height:54px;border:0;outline:0;background:0 0;font:var(--weight-regular)16px/1 var(--font-sans);color:var(--text-primary)}.dx-search-field input::-webkit-search-cancel-button{display:none}.dx-search-field input:focus-visible{outline:none}.dx-search-field:focus-within{color:var(--accent)}.dx-results{list-style:none;margin:0;padding:6px;overflow-y:auto}.dx-results:empty{display:none}.dx-results a{display:block;padding:10px 12px;text-decoration:none;border-radius:var(--radius-xs);border-left:2px solid transparent}.dx-results a[aria-selected=true]{background:var(--accent-soft);border-left-color:var(--accent)}.dx-r-g{display:block;font:var(--weight-semibold)10.5px/1.3 var(--font-sans);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-tertiary)}.dx-r-t{display:block;margin-top:3px;font:var(--weight-semibold)14.5px/1.35 var(--font-sans);color:var(--text-primary)}.dx-r-s{display:block;margin-top:2px;font-size:13px;line-height:1.5;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dx-results mark{background:0 0;color:var(--accent);font-weight:var(--weight-semibold)}.dx-r-empty{padding:28px 16px;text-align:center;font-size:var(--text-sm);color:var(--text-tertiary)}.dx-search-foot{display:flex;gap:18px;padding:10px 14px;border-top:1px solid var(--border-hairline);font-size:12px;color:var(--text-tertiary)}.dx-search-foot span{display:inline-flex;align-items:center;gap:4px}html.dx .ft{border-top:1px solid var(--border-hairline)}@media(max-width:1200px){.dx-shell{grid-template-columns:var(--dx-side-w)minmax(0,1fr)}.dx-toc{display:none}}@media(max-width:900px){html.dx{--dx-side-w:280px}.dx-shell{grid-template-columns:minmax(0,1fr)}.dx-menu{display:grid;place-items:center;width:34px;height:34px;flex-shrink:0;background:0 0;border:1px solid var(--border-hairline);border-radius:var(--radius-xs);color:var(--text-secondary);cursor:pointer}.dx-bar-home{width:auto}.dx-bar-link{display:none}.dx-side{position:fixed;z-index:60;left:0;top:0;bottom:0;height:100vh;width:min(var(--dx-side-w),86vw);background:var(--surface-page);border-right:1px solid var(--border-strong);transform:translateX(-102%);transition:transform var(--dur-base)var(--ease-out);visibility:hidden}.dx-side.is-open{transform:none;visibility:visible}.dx-scrim{position:fixed;inset:0;z-index:55;background:rgba(8,9,11,.44)}.dx-article{padding:var(--space-8)var(--space-6)var(--space-12)}}@media(max-width:640px){.dx-bar-in,.dx-shell{border-inline:0}.dx-bar-in{padding:0 var(--space-4);gap:var(--space-2)}.dx-bar-home{display:none}.dx-search-trigger{flex:1}.dx-search-trigger .dx-kbd{display:none}.dx-app{display:none}.dx-article{padding:var(--space-6)var(--space-4)var(--space-10)}.dx-cards,.dx-cards--3{grid-template-columns:minmax(0,1fr)}.dx-defn{grid-template-columns:minmax(0,1fr)}.dx-defn-main{border-right:0;border-bottom:1px solid var(--border-hairline)}.dx-pager{grid-template-columns:1fr}.dx-pg--next{grid-column:1;border-left:0;border-top:1px solid var(--border-hairline)}.dx-pager>span:empty{display:none}.dx-search{padding:8px}.dx-search-foot{display:none}}@media(prefers-reduced-motion:reduce){.dx-side,.dx-card::after,.dx-nav-item{transition:none}}