.breadcrumb{color:var(--text-muted);border-bottom:1px solid var(--border);padding:16px 48px;font-size:13px}.breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--gold)}.breadcrumb span{margin:0 8px}.truth-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin:24px 0;display:grid}.truth-card{border-radius:var(--radius);transition:var(--transition);border:1px solid;padding:22px 24px;position:relative;overflow:hidden}.truth-card:hover{transform:translateY(-3px)}.truth-card:before{content:"";height:3px;position:absolute;top:0;left:0;right:0}.truth-card .truth-num{letter-spacing:2px;text-transform:uppercase;margin-bottom:6px;font-size:11px;font-weight:700}.truth-card h3{margin-bottom:4px;font-size:18px;font-weight:800}.truth-card .pali{opacity:.6;margin-bottom:10px;font-size:12px;font-style:italic}.truth-card p{color:var(--text-muted);margin-bottom:10px;font-size:13px;line-height:1.6}.truth-card .analogy{background:#0000004d;border-radius:6px;margin-top:8px;padding:8px 12px;font-size:12px}.truth-card .leads-to{border-radius:4px;margin-top:10px;padding:6px 10px;font-size:11px;display:inline-block}.tam-doc-visual{margin:24px 0}.kho-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0;display:grid}.kho-card{border-radius:var(--radius-sm);background:#e74c3c14;border:1px solid #e74c3c4d;padding:16px}.kho-card h4{color:#e74c3c;margin-bottom:6px;font-size:13px}.kho-card p{color:var(--text-muted);font-size:12px}.kho-card .ex{color:var(--text);margin-top:6px;font-size:12px;font-style:italic}.gioi-table{border-collapse:collapse;width:100%;margin:16px 0}.gioi-table th{background:var(--bg-secondary);text-align:left;color:var(--text-muted);letter-spacing:1px;border-bottom:1px solid var(--border);padding:10px 14px;font-size:12px}.gioi-table td{vertical-align:top;border-bottom:1px solid #2a2a4580;padding:10px 14px;font-size:13px}.gioi-table tr:hover td{background:var(--bg-card)}.gioi-num{color:var(--gold);width:28px;font-weight:700}.gioi-viet{color:var(--text);font-weight:600}.gioi-pali{color:var(--text-muted);font-size:12px;font-style:italic}.gioi-why{color:var(--text-muted);font-size:12px}.connector-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin:16px 0;padding:20px 24px}.connector-box h4{color:var(--gold);margin-bottom:12px;font-size:13px}.chain{flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;display:flex}.chain-node{border-radius:20px;padding:4px 12px;font-size:12px;font-weight:600}.chain-arrow{color:var(--gold);opacity:.6;font-size:16px}.study-weeks{flex-direction:column;gap:12px;margin:16px 0;display:flex}.week-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);align-items:flex-start;gap:16px;padding:14px 18px;display:flex}.week-num{text-align:center;min-width:60px;color:var(--l1);font-size:13px;font-weight:800}.week-content h4{color:var(--text);margin-bottom:4px;font-size:14px}.week-content p{color:var(--text-muted);margin:0;font-size:12px}.week-content .resources{flex-wrap:wrap;gap:6px;margin-top:6px;display:flex}.res-tag{color:var(--l1);background:#e67e221a;border:1px solid #e67e224d;border-radius:4px;padding:2px 8px;font-size:11px}.checklist{margin:16px 0;list-style:none}.checklist li{background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);transition:var(--transition);cursor:pointer;align-items:flex-start;gap:10px;margin-bottom:6px;padding:10px 14px;font-size:13px;display:flex}.checklist li:hover{border-color:var(--l2)}.checklist li.done{background:#27ae6014;border-color:#27ae604d}.check-icon{border:2px solid var(--border);width:18px;height:18px;transition:var(--transition);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:1px;display:flex}.checklist li.done .check-icon{background:var(--l2);border-color:var(--l2)}.check-text{flex:1}.level-nav{border-top:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:0;padding:24px 48px;display:flex}.nav-btn{border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border);color:var(--text);transition:var(--transition);align-items:center;gap:8px;padding:10px 20px;font-size:13px;text-decoration:none;display:flex}.nav-btn:hover{border-color:var(--gold);color:var(--gold)}.diagram-wrap{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);margin:16px 0;overflow:hidden}.concept-section{border-top:1px solid var(--border);margin:40px 0;padding-top:40px}.concept-title{align-items:center;gap:12px;margin-bottom:8px;display:flex}.concept-title h2{color:var(--l1);margin:0;font-size:22px}.concept-title .pali-sub{color:var(--text-muted);font-size:13px;font-style:italic}.concept-desc{color:var(--text-muted);margin-bottom:20px;font-size:14px;line-height:1.7}@media (width<=768px){.truth-grid,.kho-grid{grid-template-columns:1fr}.breadcrumb,.level-nav{padding:14px 20px}}