@keyframes _si{to{opacity:1}}

.legacy-content .topic-grid {display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}@media(max-width:900px){.legacy-content .topic-grid {grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.legacy-content .topic-grid {grid-template-columns:1fr}}.legacy-content .topic-card {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-card);cursor:pointer;transition:all .25s;position:relative;overflow:hidden}.legacy-content .topic-card:hover {transform:translateY(-3px);box-shadow:var(--shadow-pop);border-color:var(--accent)}.legacy-content .topic-card .tc-num {position:absolute;top:12px;right:14px;font-size:11px;font-weight:800;color:var(--sub);opacity:.5}.legacy-content .topic-card .tc-icon {font-size:28px;margin-bottom:10px}.legacy-content .topic-card h4 {font-size:15px;font-weight:800;color:var(--text);margin-bottom:8px}.legacy-content .topic-card .tc-points {list-style:none;padding:0}.legacy-content .topic-card .tc-points li {font-size:12px;color:var(--sub);line-height:1.6;padding:2px 0;display:flex;align-items:flex-start;gap:6px}.legacy-content .topic-card .tc-points li::before {content:'•';color:var(--accent);font-weight:900;flex-shrink:0}.legacy-content .topic-card .tc-link {display:block;margin-top:10px;font-size:12px;font-weight:700;color:var(--accent)}.legacy-content .radar-section {margin-top:24px}.legacy-content .radar-card {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-card);text-align:center}.legacy-content .radar-card h3 {font-size:18px;font-weight:800;color:var(--text);margin-bottom:6px}.legacy-content .radar-card .radar-sub {font-size:13px;color:var(--sub);margin-bottom:20px}.legacy-content .radar-canvas-wrap {display:flex;justify-content:center;margin-bottom:16px}.legacy-content .radar-canvas-wrap canvas {max-width:100%}.legacy-content .radar-legend {display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.legacy-content .radar-legend span {font-size:12px;font-weight:600;color:var(--sub);display:flex;align-items:center;gap:4px}.legacy-content .radar-legend .rdot {width:10px;height:10px;border-radius:3px}.legacy-content .takeaway {background:rgba(0,102,255,.04);border:1.5px solid rgba(0,102,255,.18);border-radius:var(--radius);padding:16px 20px;font-size:15px;color:var(--text);display:flex;gap:10px;line-height:1.7;margin-top:24px}.legacy-content .takeaway b {color:var(--accent)}

.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)}