.article-body h1{font-size:max(2rem, min(4vw, 3.4rem))}.article-meta{display:flex;gap:14px;margin:18px 0 28px;color:var(--brand-neutral-mid)}.article-content{font-size:1.04rem}.article-content h2,.article-content h3{margin-top:32px}.article-share,.author-card,.post-nav{margin-top:34px;padding-top:24px;border-top:1px solid var(--brand-border)}.author-card{display:flex;gap:18px;align-items:center}.author-card img{width:72px;height:72px;border-radius:50%;-o-object-fit:cover;object-fit:cover}.post-nav{display:flex;justify-content:space-between;gap:18px}.post-nav a{color:var(--brand-primary);font-weight:760}.toc-sidebar>div{position:sticky;top:110px;padding:20px;margin-bottom:18px;border:1px solid var(--brand-border);border-radius:var(--brand-radius);background:var(--brand-bg)}.toc-sidebar h2{font-size:1.05rem}.toc-sidebar a{display:block;margin:10px 0;color:var(--brand-neutral-mid)}@media (max-width:991.98px){.toc-sidebar>div{position:static}}