.toc-rail{--toc-rail-accent: #197ca8;--toc-rail-line: rgba(24, 31, 36, .14);--toc-rail-muted: rgba(24, 31, 36, .62);--toc-rail-faint: rgba(24, 31, 36, .34);--toc-rail-text: #181f24;--toc-rail-title: rgba(24, 31, 36, .38);--toc-rail-width: 184px;--toc-rail-top: max(116px, 24vh);--toc-rail-right: 2rem;--toc-rail-left: auto;--toc-rail-z-index: 20;--toc-rail-font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--toc-rail-title-size: .6875rem;--toc-rail-link-size: .6875rem;--toc-rail-link-weight: 500;--toc-rail-link-line-height: 1.3;--toc-rail-link-indent: .75rem;--toc-rail-link-nested-indent: 1.25rem;--toc-rail-panel-bottom-gap: clamp(1.5rem, 5vh, 5rem);--toc-rail-list-bottom-gap: clamp(1.5rem, 5vh, 180px);--toc-rail-list-end-space: clamp(1rem, 4vh, 3.5rem);--toc-rail-duration-fast: .15s;--toc-rail-duration-normal: .25s;--toc-rail-fade-duration: .5s;--toc-rail-ease-out: cubic-bezier(0, 0, .58, 1);--toc-rail-fade-transition: var(--toc-rail-fade-duration) var(--toc-rail-ease-out);--toc-rail-base-opacity: .72;--toc-rail-edge-opacity: 1;--toc-rail-edge-offset: 0px;--toc-rail-edge-translate: 8px;--toc-rail-visibility-delay: 0s;--_toc-rail-progress-floor: .012;--_toc-rail-viewport-height: 100vh;--_toc-rail-viewport-height: 100dvh;--_toc-rail-panel-height: max( 0px, calc( var(--_toc-rail-viewport-height) - var(--toc-rail-top) - var(--toc-rail-panel-bottom-gap) ) );--_toc-rail-list-height: max( 0px, min( var(--_toc-rail-panel-height), calc( var(--_toc-rail-viewport-height) - var(--toc-rail-top) - var(--toc-rail-list-bottom-gap) ) ) );position:fixed;top:var(--toc-rail-top);right:var(--toc-rail-right);left:var(--toc-rail-left);z-index:var(--toc-rail-z-index);width:var(--toc-rail-width);color:var(--toc-rail-text);font-family:var(--toc-rail-font-family);opacity:calc(var(--toc-rail-base-opacity) * var(--toc-rail-edge-opacity));transform:translateY(var(--toc-rail-edge-offset));visibility:visible;transition:opacity var(--toc-rail-fade-transition),transform var(--toc-rail-fade-transition),visibility 0s linear var(--toc-rail-visibility-delay)}.toc-rail[hidden]{display:none}.toc-rail.is-initializing{opacity:0;visibility:hidden;transition:none}.toc-rail:focus-within,.toc-rail:hover,.toc-rail.is-scrolling{--toc-rail-base-opacity: 1}.toc-rail.is-before-content,.toc-rail[data-toc-rail-state=hidden-before]{--toc-rail-visibility-delay: var(--toc-rail-fade-duration);opacity:0;pointer-events:none;transform:translateY(var(--toc-rail-edge-translate));visibility:hidden}.toc-rail.is-after-content,.toc-rail[data-toc-rail-state=hidden-after]{--toc-rail-visibility-delay: var(--toc-rail-fade-duration);pointer-events:none;visibility:hidden}.toc-rail__panel{display:flex;max-height:var(--_toc-rail-panel-height);flex-direction:column;gap:.75rem;overflow:hidden;overflow:clip}.toc-rail__title{margin:0 0 0 .75rem;color:var(--toc-rail-title);font-size:var(--toc-rail-title-size);font-weight:700;letter-spacing:.08em;line-height:1;text-transform:uppercase}.toc-rail__wrap{position:relative;display:flex;flex-direction:column;min-height:0;max-height:var(--_toc-rail-list-height);overflow:hidden}.toc-rail[data-toc-rail-mode=progress] .toc-rail__wrap{height:var(--_toc-rail-list-height)}.toc-rail__progress{position:absolute;top:4px;bottom:calc(4px + var(--toc-rail-list-end-space));left:0;width:1px;background:var(--toc-rail-line);pointer-events:none}.toc-rail__progress-fill{position:absolute;inset:0;width:100%;background:var(--toc-rail-accent);opacity:.9;transform:scaleY(max(var(--toc-rail-progress, 0),var(--_toc-rail-progress-floor)));transform-origin:top;transition:transform var(--toc-rail-duration-fast) linear}.toc-rail.is-scrolling .toc-rail__progress-fill{transition:none}.toc-rail__list{display:flex;flex:1 1 auto;max-height:var(--_toc-rail-list-height);min-height:0;flex-direction:column;gap:2px;margin:0;padding:0 0 var(--toc-rail-list-end-space);overflow:auto;list-style:none;scrollbar-width:none}.toc-rail__list::-webkit-scrollbar{width:0;height:0}.toc-rail__item{min-width:0}.toc-rail__link{display:-webkit-box;overflow:hidden;padding:4px 0 4px var(--toc-rail-link-indent);border-left:1px solid transparent;-webkit-box-orient:vertical;-webkit-line-clamp:2;color:var(--toc-rail-muted);font-size:var(--toc-rail-link-size);font-weight:var(--toc-rail-link-weight);line-height:var(--toc-rail-link-line-height);text-decoration:none;word-break:keep-all;transition:border-color var(--toc-rail-duration-fast) var(--toc-rail-ease-out),color var(--toc-rail-duration-fast) var(--toc-rail-ease-out)}.toc-rail__item--h3 .toc-rail__link,.toc-rail__item--h4 .toc-rail__link,.toc-rail__item--h5 .toc-rail__link,.toc-rail__item--h6 .toc-rail__link{padding-left:var(--toc-rail-link-nested-indent);color:var(--toc-rail-faint)}.toc-rail__item.is-active .toc-rail__link,.toc-rail__item[data-toc-rail-active=true] .toc-rail__link{color:var(--toc-rail-accent)}.toc-rail__link:hover{color:var(--toc-rail-text);opacity:1}.toc-rail__link:focus-visible{outline:2px solid var(--toc-rail-accent);outline-offset:3px}@media(prefers-reduced-motion:reduce){.toc-rail,.toc-rail__link,.toc-rail__progress-fill{transition:none}}[data-theme=dark] .toc-rail{--toc-rail-accent: #60a5fa;--toc-rail-line: rgba(255, 255, 255, .12);--toc-rail-muted: rgba(255, 255, 255, .65);--toc-rail-faint: rgba(255, 255, 255, .35);--toc-rail-text: #e2e8f0;--toc-rail-title: rgba(255, 255, 255, .4)}.toc-rail{--toc-rail-accent: var(--site-reading-active);--toc-rail-line: color-mix(in srgb, var(--site-text) 20%, transparent);--toc-rail-muted: var(--site-text-muted);--toc-rail-faint: color-mix(in srgb, var(--site-text-muted) 78%, transparent);--toc-rail-text: var(--site-text);--toc-rail-title: var(--site-text-muted);--toc-rail-font-family: "DM Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--toc-rail-link-size: .78rem;--toc-rail-link-weight: 700;--toc-rail-link-line-height: 1.38;--toc-rail-left: calc(50vw + 25rem) ;--toc-rail-right: auto;--toc-rail-top: max(7rem, 22vh);--toc-rail-width: 11rem;--toc-rail-duration-fast: .18s;--toc-rail-ease-out: cubic-bezier(.22, 1, .36, 1)}.dark .toc-rail{--toc-rail-accent: var(--site-reading-active);--toc-rail-line: color-mix(in srgb, var(--site-text) 18%, transparent);--toc-rail-muted: var(--site-text-soft);--toc-rail-faint: var(--site-text-muted);--toc-rail-text: var(--site-text);--toc-rail-title: var(--site-text-muted)}