.toc-rail{position:sticky;top:calc(var(--header-h) + 36px);margin-top:27px}.toc-list{list-style:none;margin:0;padding:0;border-left:2px solid var(--hairline)}.toc-list li{margin:0}.toc-list a{display:block;margin-left:-2px;padding:7px 0 7px 14px;border-left:2px solid transparent;font-size:12px;font-weight:600;line-height:1.35;color:var(--ink-soft);text-decoration:none}.toc-list a.is-nested{padding-left:26px;font-size:11.5px;font-weight:500;color:var(--gray-black)}.toc-list a:hover{color:var(--black)}.toc-list a.active{color:var(--black);border-left-color:var(--blue)}.toc-list a:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.toc-num{margin-right:6px;color:var(--ink-soft);opacity:.6}@media (max-width:1079px){.toc-rail{display:none}}@media (prefers-reduced-motion:no-preference){.toc-list a{transition:color .15s ease,border-color .15s ease}}