.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(--l1)}.breadcrumb span{margin:0 8px}.section-kn{border-top:1px solid var(--border);margin:32px 0;padding-top:32px}.dinh-nghia-wrap{border:1px solid var(--border);border-radius:var(--radius);grid-template-columns:1fr auto 1fr;gap:0;margin:16px 0;display:grid;overflow:hidden}.dn-cot{padding:20px}.dn-cot.sai{background:#e74c3c0a}.dn-cot.dung{background:#27ae600a}.dn-giua{background:var(--bg-secondary);border-left:1px solid var(--border);border-right:1px solid var(--border);justify-content:center;align-items:center;min-width:48px;font-size:20px;display:flex}.dn-ten{letter-spacing:1px;margin-bottom:10px;font-size:12px;font-weight:700}.dn-item{color:var(--text-muted);gap:8px;margin-bottom:8px;font-size:13px;line-height:1.6;display:flex}.lap-luan-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin:14px 0;padding:20px 24px}.lap-luan-box .tien-de{gap:14px;margin-bottom:14px;display:flex}.tien-de .so{color:#fff;background:var(--l1);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;min-width:32px;height:32px;font-size:13px;font-weight:900;display:flex}.tien-de .nd{padding-top:3px}.tien-de .ten{margin-bottom:4px;font-size:13px;font-weight:700}.tien-de .mo-ta{color:var(--text-muted);font-size:13px;line-height:1.7}.ket-luan-box{border-radius:var(--radius-sm);background:#e67e2212;border:1px solid #e67e224d;margin-top:8px;padding:14px 18px}.ket-luan-box .ket-ten{color:var(--l1);letter-spacing:1px;margin-bottom:6px;font-size:11px;font-weight:700}.ket-luan-box .ket-nd{font-size:14px;font-weight:600;line-height:1.6}.loai-nghiep-grid{grid-template-columns:1fr 1fr 1fr;gap:12px;margin:16px 0;display:grid}.ln-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.ln-card .ln-icon{margin-bottom:8px;font-size:28px}.ln-card .ln-ten{margin-bottom:6px;font-size:13px;font-weight:700}.ln-card .ln-mo{color:var(--text-muted);margin-bottom:8px;font-size:12px;line-height:1.7}.ln-card .ln-vi-du{color:var(--l1);font-size:12px;font-style:italic}.so-sanh-bang{border-collapse:collapse;width:100%;margin:16px 0;font-size:13px}.so-sanh-bang th{text-align:left;letter-spacing:1px;border-bottom:2px solid var(--border);padding:10px 14px;font-size:11px;font-weight:700}.so-sanh-bang td{border-bottom:1px solid var(--border);vertical-align:top;padding:10px 14px;line-height:1.6}.so-sanh-bang tr:hover td{background:var(--bg-card-hover)}.so-sanh-bang .diem-phan-biet{color:var(--text);font-weight:700}.thuc-hanh-flow{flex-direction:column;gap:8px;margin:16px 0;display:flex}.th-buoc{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);gap:14px;padding:14px 16px;display:flex}.th-so{background:var(--l1);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;min-width:36px;height:36px;font-size:13px;font-weight:900;display:flex}.th-nd h4{margin-bottom:4px;font-size:13px}.th-nd p{color:var(--text-muted);margin:0;font-size:12px;line-height:1.6}.th-nd .meo{color:var(--l2);margin-top:5px;font-size:12px}.vi-du-select{flex-wrap:wrap;gap:8px;margin:14px 0;display:flex}.vd-btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-card);cursor:pointer;color:var(--text-muted);transition:var(--transition);padding:7px 14px;font-size:12px}.vd-btn:hover,.vd-btn.chon{border-color:var(--l1);color:var(--l1);background:#e67e2214}.vd-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);min-height:100px;padding:16px 20px}.vd-ten{color:var(--l1);margin-bottom:10px;font-size:13px;font-weight:700}.vd-phan-tich{grid-template-columns:1fr 1fr 1fr;gap:10px;font-size:12px;display:grid}.vd-phan-tich .vd-muc{background:var(--bg-secondary);border-radius:var(--radius-sm);padding:8px 10px}.vd-phan-tich .vd-muc-ten{letter-spacing:1px;color:var(--text-muted);margin-bottom:4px;font-size:10px;font-weight:700}.vd-phan-tich .vd-muc-nd{color:var(--text-muted);line-height:1.5}.so-do-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin:16px 0;padding:0;overflow:hidden}@media (width<=900px){.breadcrumb{padding:14px 20px}.dinh-nghia-wrap{grid-template-columns:1fr}.dn-giua{writing-mode:horizontal-tb;border-left:none;border-right:none;border-top:1px solid var(--border);border-bottom:1px solid var(--border);min-width:auto;padding:8px}.loai-nghiep-grid,.vd-phan-tich{grid-template-columns:1fr}}