.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(--l3)}.breadcrumb span{margin:0 8px}.section-kn{border-top:1px solid var(--border);margin:32px 0;padding-top:32px}.vong-lap-wrap{max-width:700px;margin:24px auto;position:relative}.vl-svg-wrap{width:100%;overflow:visible}.nd-cbt-table{border-collapse:collapse;width:100%;margin:16px 0;font-size:13px}.nd-cbt-table th{text-align:left;letter-spacing:1px;border-bottom:2px solid var(--border);padding:10px 14px;font-size:11px;font-weight:700}.nd-cbt-table td{border-bottom:1px solid var(--border);vertical-align:top;padding:10px 14px;line-height:1.6}.nd-cbt-table tr:hover td{background:var(--bg-card-hover)}.nd-cbt-table .so{color:var(--text-muted);font-size:11px;font-weight:700}.nd-cbt-table .ten-nhan-duyen{color:var(--l3);font-weight:700}.nd-cbt-table .mo-ta-nd{color:var(--text-muted);font-size:12px}.nd-cbt-table .ten-cbt{color:var(--l0);font-weight:700}.nd-cbt-table .mo-ta-cbt{color:var(--text-muted);font-size:12px}.nd-cbt-table .diem-can-thiep{color:var(--l2);background:#27ae6014;border-radius:12px;padding:4px 8px;font-size:11px;font-weight:700;display:inline-block}.nd-cbt-table .highlight-row td{border-left:3px solid var(--l3);background:#9b59b60d}.tinh-huong-select{flex-wrap:wrap;gap:8px;margin:16px 0;display:flex}.th-btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-card);color:var(--text-muted);cursor:pointer;transition:var(--transition);padding:8px 16px;font-size:13px}.th-btn:hover,.th-btn.chon{border-color:var(--l3);color:var(--l3);background:#9b59b614}.tinh-huong-nd{display:none}.tinh-huong-nd.hien{display:block}.phan-tich-flow{flex-direction:column;gap:0;margin:12px 0;display:flex}.pt-buoc{gap:14px;display:flex;position:relative}.pt-buoc:not(:last-child):after{content:"";background:var(--border);width:2px;height:calc(100% - 30px);position:absolute;top:44px;left:22px}.pt-so{color:#fff;z-index:1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;margin-bottom:14px;font-size:13px;font-weight:900;display:flex}.pt-nd{flex:1}.pt-nd .pt-ten{margin-bottom:3px;font-size:12px;font-weight:700}.pt-nd .pt-th{color:var(--text);margin-bottom:4px;font-size:13px}.pt-nd .pt-cn{color:var(--text-muted);font-size:12px}.pt-nd .pt-phat-giao{color:var(--l3);margin-top:4px;font-size:11px;font-weight:700}.can-thiep-grid{grid-template-columns:1fr 1fr;gap:12px;margin:16px 0;display:grid}.ct-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.ct-card .ct-diem{color:var(--gold);margin-bottom:4px;font-size:22px;font-weight:900}.ct-card .ct-ten{margin-bottom:6px;font-size:13px;font-weight:700}.ct-card .ct-cbt{color:var(--l0);margin-bottom:6px;font-size:12px}.ct-card .ct-phat{color:var(--l3);margin-bottom:8px;font-size:12px}.ct-card .ct-ky-thuat{color:var(--text-muted);font-size:12px;line-height:1.6}.lo-trinh-tuan{border:1px solid var(--border);border-radius:var(--radius);grid-template-columns:auto 1fr;gap:0;margin:16px 0;display:grid;overflow:hidden}.lt-tuan{border-bottom:1px solid var(--border);border-right:1px solid var(--border);background:var(--bg-secondary);justify-content:center;align-items:center;padding:16px 20px;display:flex}.lt-tuan:last-of-type{border-bottom:none}.lt-nd{border-bottom:1px solid var(--border);padding:16px 20px}.lt-nd:last-child{border-bottom:none}.lt-tuan-so{color:var(--l3);font-size:24px;font-weight:900}.lt-tuan-label{color:var(--text-muted);letter-spacing:1px;font-size:10px;font-weight:700}.lt-tieu-de{margin-bottom:6px;font-size:13px;font-weight:700}.lt-muc-tieu{color:var(--text-muted);margin-bottom:6px;font-size:12px;line-height:1.6}.lt-bai-tap{color:var(--l2);gap:6px;font-size:12px;display:flex}@media (width<=900px){.breadcrumb{padding:14px 20px}.can-thiep-grid,.lo-trinh-tuan{grid-template-columns:1fr}.lt-tuan{border-right:none;border-bottom:1px solid var(--border)}.nd-cbt-table{font-size:12px}}