.edf-figure{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);margin:24px 0;padding:16px}.edf-figure h3,.edf-figure h4,.edf-figure p{font-size:var(--text-body);margin:12px 0;line-height:1.85}.edf-figure .math-display{margin:14px 0;font-size:22px}.edf-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.edf-cards article,.edf-sample-list article{border:1px solid var(--line);border-radius:var(--radius-small);background:var(--paper);min-width:0;padding:12px}.edf-sample-list{gap:12px;display:grid}.edf-operation{font-weight:700}.lesson-content [data-edf-alternative] p,.lesson-content [data-edf-samples] p,.lesson-content [data-edf-transfer] p,.lesson-content [data-edf-exam] p{font-size:var(--text-body);line-height:1.85}@media (width<=540px){.edf-figure{padding:14px}.edf-cards{grid-template-columns:1fr}}
