.hub-article-shell,.hub-toc{--hub-toc-oxford:#0a2641;--hub-toc-blueberry:#5b93ff;--hub-toc-blueberry-acc:#2f6fe0;--hub-toc-deep-blue:#12457e;--hub-toc-muted:#5a6b7b;--hub-toc-rail:#e4e9f0}.hub-toc{padding-left:.5rem}@media (min-width:1024px){.hub-toc{align-self:start;max-height:calc(100vh - 10rem);position:sticky;top:10rem;overflow-y:auto}}.hub-toc-title{border-bottom:1px solid var(--hub-toc-rail);color:var(--hub-toc-oxford);margin:0 0 .95rem;padding-bottom:.7rem;font-size:1.15rem;font-weight:700;line-height:1.4}.hub-toc-list{margin:0;padding:0;list-style:none}.hub-toc-list li{margin:0}.hub-toc-list a{border-right:2px solid var(--hub-toc-rail);color:var(--hub-toc-muted);padding:.5rem 1rem .5rem 0;font-size:.98rem;font-weight:600;line-height:1.5;text-decoration:none;transition:color .15s,border-color .15s;display:block}.hub-toc-list a:hover{color:var(--hub-toc-blueberry-acc)}.hub-toc-list a:focus-visible{outline:2px solid var(--hub-toc-blueberry-acc);outline-offset:2px;border-radius:2px}.hub-toc-list a.active{border-right-color:var(--hub-toc-blueberry);color:var(--hub-toc-deep-blue);font-weight:700}@media (max-width:1023px){.hub-toc{border-bottom:1px solid var(--hub-toc-rail);max-height:none;margin-bottom:2rem;padding-bottom:1.4rem;padding-left:0;position:static;overflow:visible}.hub-toc-title{border-bottom:none;margin-bottom:.6rem;padding-bottom:0}.hub-toc-list{columns:2;column-gap:2rem}.hub-toc-list li{break-inside:avoid}}@media (max-width:560px){.hub-toc-list{columns:1}}@media (prefers-reduced-motion:reduce){.hub-toc-list a{transition:none}}