.toc-list a{color:var(--color-foreground-muted);padding:.5rem 0 .5rem 1rem;line-height:1.45;transition:color .15s;display:block;position:relative}.toc-list a:hover{color:var(--color-foreground)}.toc-list a:before{content:"";background:0 0;width:2px;position:absolute;inset:0 auto 0 -1px}.toc-list a.is-active{color:var(--color-signal);font-weight:600}.toc-list a.is-active:before{background:var(--color-signal)}.toc-list .toc-h3{font-size:.825em}.toc-list .toc-h3 a{padding-left:1.75rem}@media (width>=1024px){.article-toc-rail{overscroll-behavior:contain;scrollbar-width:thin;max-height:calc(100vh - 8.5rem);position:sticky;top:6.5rem;overflow-y:auto}}