@keyframes _si{from{opacity:0}to{opacity:1}}

.legacy-content .lesson-header .kicker {color:var(--al)}.legacy-content .l-callout b {color:var(--al)}.legacy-content .attn-box {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:20px 24px}.legacy-content .attn-slider-row {display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px}.legacy-content .attn-slider-row label {font-size:13.5px;font-weight:800;color:var(--text);flex-shrink:0}.legacy-content .attn-slider-row input[type=range] {flex:1;min-width:160px;accent-color:var(--al)}.legacy-content .attn-nval {font-size:15px;font-weight:900;color:var(--al);font-variant-numeric:tabular-nums;min-width:88px}.legacy-content .attn-layout {display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:20px;align-items:center}.legacy-content .attn-matrix-wrap {max-width:400px;margin:0 auto;width:100%}.legacy-content .attn-matrix {display:grid;gap:1px;aspect-ratio:1;width:100%}.legacy-content .attn-cell {background:var(--al);border-radius:1px;opacity:.75}.legacy-content .attn-cell.diag {background:var(--al-deep);opacity:1}.legacy-content .attn-axis {font-size:11px;color:var(--sub);text-align:center;margin-top:8px;font-weight:700}.legacy-content .attn-stats {display:flex;flex-direction:column;gap:12px}.legacy-content .attn-stat {border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:12px 15px}.legacy-content .attn-stat .as-label {font-size:11.5px;font-weight:800;color:var(--sub);letter-spacing:.4px}.legacy-content .attn-stat .as-val {font-size:26px;font-weight:900;color:var(--text);font-variant-numeric:tabular-nums;line-height:1.3;transition:transform .18s}.legacy-content .attn-stat .as-val.pop {transform:scale(1.12)}.legacy-content .attn-stat.hot {border-color:var(--al-line);background:var(--al-soft)}.legacy-content .attn-stat.hot .as-val {color:var(--al-deep)}.legacy-content .attn-stat .as-sub {font-size:11px;color:var(--sub);margin-top:2px}.legacy-content .attn-hint {margin-top:16px;padding:13px 16px;background:var(--al-soft);border:1.5px dashed var(--al-line);border-radius:var(--radius-sm);font-size:13.5px;line-height:1.8;color:var(--sub)}.legacy-content .attn-hint b {color:var(--al-deep)}.legacy-content .ctx-grid {display:grid;grid-template-columns:1fr 1fr;gap:14px}.legacy-content .ctx-card {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:18px 20px}.legacy-content .ctx-card h5 {font-size:14.5px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:8px;margin-bottom:4px}.legacy-content .ctx-badge {font-size:10.5px;font-weight:800;padding:2px 10px;border-radius:99px}.legacy-content .ctx-card.lite .ctx-badge {background:rgba(22,163,74,.1);color:var(--success)}.legacy-content .ctx-card.heavy .ctx-badge {background:rgba(220,38,38,.1);color:var(--danger)}.legacy-content .ctx-q {font-size:12.5px;color:var(--sub);margin-bottom:14px}.legacy-content .ctx-row {margin-bottom:12px}.legacy-content .ctx-row-label {font-size:11.5px;font-weight:800;color:var(--sub);margin-bottom:5px;display:flex;justify-content:space-between;align-items:baseline}.legacy-content .ctx-row-label b {font-size:14px;font-weight:900;font-variant-numeric:tabular-nums}.legacy-content .ctx-card.lite .ctx-row-label b {color:var(--success)}.legacy-content .ctx-card.heavy .ctx-row-label b {color:var(--danger)}.legacy-content .ctx-bar {height:12px;border-radius:6px;background:rgba(0,0,0,.05);overflow:hidden}.legacy-content .ctx-fill {height:100%;border-radius:6px;width:0;transition:width 1s cubic-bezier(.25,1,.5,1)}.legacy-content .ctx-card.lite .ctx-fill {background:var(--success)}.legacy-content .ctx-card.heavy .ctx-fill {background:var(--danger)}.legacy-content .ctx-disclaim {font-size:11px;color:var(--sub);text-align:right;margin-top:10px;opacity:.8}.legacy-content .ctx-verdict {margin-top:14px;padding:14px 18px;background:var(--al-soft);border:1.5px dashed var(--al-line);border-radius:var(--radius-sm);font-size:13.5px;line-height:1.8;color:var(--sub)}.legacy-content .ctx-verdict b {color:var(--al-deep)}.legacy-content .link-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.legacy-content .link-card {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:18px 20px}.legacy-content .link-card .lk-icon {font-size:24px;margin-bottom:8px}.legacy-content .link-card h4 {font-size:14.5px;font-weight:800;color:var(--text);margin-bottom:6px}.legacy-content .link-card p {font-size:13px;color:var(--sub);line-height:1.75}.legacy-content .link-card p b {color:var(--al-deep)}.legacy-content .takeaway-box {background:linear-gradient(135deg,#fdf2f8,#fce7f3);border:1.5px solid #fbcfe8;border-radius:var(--radius);padding:24px 28px;margin-top:36px}.legacy-content .takeaway-box h3 {font-size:17px;font-weight:800;color:#9d174d;margin-bottom:10px}.legacy-content .takeaway-box ul {list-style:none;padding:0;margin:0}.legacy-content .takeaway-box li {font-size:14.5px;color:#831843;line-height:1.8;padding:4px 0 4px 22px;position:relative}.legacy-content .takeaway-box li::before {content:'';position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:50%;background:#db2777}@media (max-width:768px){.legacy-content .attn-layout {grid-template-columns:1fr}.legacy-content .attn-stats {flex-direction:row}.legacy-content .attn-stat {flex:1}.legacy-content .attn-stat .as-val {font-size:20px}.legacy-content .ctx-grid {grid-template-columns:1fr}.legacy-content .link-grid {grid-template-columns:1fr}}

.legacy-content .xa-tldr {margin:18px 0 4px;padding:14px 18px;background:rgba(0,102,255,0.04);border:1px solid rgba(0,102,255,0.16);border-radius:10px}.legacy-content .xa-tldr .xa-tldr-tag {display:block;font-size:11px;font-weight:800;letter-spacing:1px;color:var(--accent,#0066ff);margin-bottom:6px}.legacy-content .xa-tldr p {margin:0;font-size:15px;line-height:1.8;color:var(--text,#1f2937)}