.article section{margin:1.5rem 0}.article h2{margin:1.5rem 0 .5rem}.article h3{margin:1rem 0 .25rem;font-size:1rem}.article p,.article li{line-height:1.7}.article a{color:var(--accent)}.example,.formula{border-left:4px solid var(--border);background:#f5f5f5;margin:.75rem 0;padding:.5rem .75rem}.formula{font-weight:700}.card h3{margin:.75rem 0 .25rem}.status-label{border:1px solid var(--muted);color:var(--muted);border-radius:3px;margin-left:.5rem;padding:0 .375rem;font-size:.75rem;font-weight:400;display:inline-block}