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.fc-term{font-family:var(--serif);font-size:1.25rem;font-weight:700;margin-bottom:4px}.htv-scope .fc-tap{font-size:11px;opacity:.6;margin-top:8px}.htv-scope .fc-meaning{font-size:13px;color:var(--ink-mid);line-height:1.5;margin-bottom:6px}.htv-scope .fc-example{font-size:11px;color:var(--ink-light);font-style:italic;border-top:1px solid var(--border);padding-top:6px;margin-top:6px}.htv-scope .fc-level{display:flex;gap:3px;margin-top:6px}.htv-scope .fc-star{color:#ddd;font-size:14px}.htv-scope .fc-star.lit{color:var(--gold)}.htv-scope .sit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:16px}.htv-scope .sit-card{background:var(--white);border:1px solid var(--eq-border);border-radius:var(--radius-lg);overflow:hidden}.htv-scope .sit-header{background:var(--eq-light);padding:14px 18px;border-bottom:1px solid var(--eq-border)}.htv-scope .sit-title{font-weight:700;color:var(--eq);font-size:15px;margin-bottom:2px}.htv-scope .sit-context{font-size:12px;color:var(--ink-light)}.htv-scope .sit-level{padding:12px 18px;border-bottom:1px solid var(--border-light)}.htv-scope .sit-level:last-child{border-bottom:none}.htv-scope .sit-level-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}.htv-scope .sit-level.level-1 .sit-level-label{color:#999}.htv-scope .sit-level.level-3 .sit-level-label{color:var(--eq)}.htv-scope .sit-text{font-size:13.5px;color:var(--ink-mid);line-height:1.5;font-style:italic}.htv-scope .sit-note{font-size:11px;color:var(--ink-light);margin-top:4px}.htv-scope .eq-wordlist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}.htv-scope .eq-word-card{background:var(--white);border:1px solid var(--eq-border);border-radius:var(--radius-lg);padding:14px 16px;display:flex;flex-direction:column;gap:6px}.htv-scope .eq-word-term{font-family:var(--serif);font-size:1.05rem;font-weight:600;color:var(--eq)}.htv-scope .eq-meaning{font-size:13px;color:var(--ink-mid);line-height:1.5}.htv-scope .eq-usage{font-size:12px;color:var(--ink-light);font-style:italic;border-left:2px solid var(--eq-border);padding-left:8px;margin-top:2px}.htv-scope .empty-state{text-align:center;padding:40px;color:var(--ink-light)}.htv-scope .page-word{background:linear-gradient(135deg,var(--jade) 0,var(--river) 100%);color:white;border-radius:var(--radius-lg);padding:20px 24px;margin-bottom:20px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}.htv-scope .pw-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;opacity:.8;margin-bottom:4px}.htv-scope .pw-term{font-family:var(--serif);font-size:2rem;font-weight:700;margin-bottom:2px}.htv-scope .pw-meaning{font-size:14px;opacity:.9;max-width:600px;line-height:1.5}.htv-scope .pw-badge{background:rgba(255,255,255,.2);padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap;align-self:flex-start;margin-top:4px}.htv-scope mark.search-highlight{background:var(--gold-light);padding:0 2px;border-radius:2px;color:inherit}.htv-scope .load-more-btn{display:block;margin:20px auto 0;background:var(--white);border:1px solid var(--border);color:var(--ink-mid);padding:8px 20px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;font-family:var(--sans);transition:all .15s}.htv-scope .load-more-btn:hover{border-color:var(--jade);color:var(--jade)}.htv-scope .region-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:16px;margin-bottom:24px}.htv-scope .region-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.htv-scope .region-card-header{padding:12px 16px;font-weight:600;font-size:13px;display:flex;align-items:center;gap:8px}.htv-scope .region-card-header.bac{background:#e8f0f8;color:#2b4a7a}.htv-scope .region-card-header.trung{background:#fff5e8;color:#8b4a0a}.htv-scope .region-card-header.nam{background:#e8f8ee;color:#1a6b3a}.htv-scope .region-card-header.tay{background:var(--river-light);color:var(--river)}.htv-scope table.compare-table{width:100%;border-collapse:collapse;font-size:13px}.htv-scope table.compare-table th{background:var(--paper-warm);padding:8px 12px;text-align:left;font-weight:600;font-size:11px;color:var(--ink-light);border-bottom:1px solid var(--border);text-transform:uppercase;letter-spacing:.04em}.htv-scope table.compare-table td{padding:9px 12px;border-bottom:1px solid var(--border-light);vertical-align:middle}.htv-scope table.compare-table tr:last-child td{border-bottom:none}.htv-scope table.compare-table .col-bac{color:#2b4a7a;font-weight:500}.htv-scope table.compare-table .col-nam{color:#1a6b3a;font-weight:500}.htv-scope table.compare-table .col-tay{color:var(--river);font-weight:600}.htv-scope table.compare-table .col-trung{color:#8b4a0a;font-weight:500}.htv-scope .vehicle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.htv-scope .vehicle-card{background:var(--white);border:1px solid var(--river-border);border-radius:var(--radius-lg);overflow:hidden;transition:box-shadow .2s}.htv-scope .vehicle-card:hover{box-shadow:var(--shadow-md)}.htv-scope .vehicle-card-top{background:linear-gradient(135deg,var(--river) 0,#2a8fb0 100%);padding:16px 18px;color:white}.htv-scope .vehicle-name{font-family:var(--serif);font-size:1.2rem;font-weight:700;margin-bottom:2px}.htv-scope .vehicle-alt{font-size:12px;opacity:.8}.htv-scope .vehicle-card-body{padding:14px 18px}.htv-scope .vehicle-row{display:flex;gap:8px;margin-bottom:6px;font-size:13px;align-items:flex-start}.htv-scope .vehicle-lbl{font-weight:600;color:var(--ink-light);min-width:72px;font-size:11px;text-transform:uppercase;margin-top:2px}.htv-scope .vehicle-val{color:var(--ink-mid);flex:1;line-height:1.5}.htv-scope .vehicle-regions{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}.htv-scope .region-tag{padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600}.htv-scope .rt-tay{background:var(--river-light);color:var(--river);border:1px solid var(--river-border)}.htv-scope .rt-nam{background:#e8f8ee;color:#1a6b3a;border:1px solid #a8d8b8}.htv-scope .rt-bac{background:#e8f0f8;color:#2b4a7a;border:1px solid #a8c0d8}.htv-scope .rt-all{background:var(--jade-light);color:var(--jade);border:1px solid var(--jade-border)}.htv-scope .image-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}.htv-scope .img-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.htv-scope .img-card img{width:100%;height:150px;-o-object-fit:cover;object-fit:cover;display:block}.htv-scope .img-card .img-info{padding:10px 12px}.htv-scope .img-card .img-term{font-family:var(--serif);font-weight:600;color:var(--jade);font-size:.95rem}.htv-scope .img-card .img-caption{font-size:12px;color:var(--ink-light);margin-top:2px}.htv-scope .image-cta{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:40px;text-align:center;background:var(--paper-warm)}.htv-scope .image-cta .upload-icon{font-size:3rem;margin-bottom:12px}.htv-scope .image-cta .upload-title{font-family:var(--serif);font-size:1.1rem;font-weight:600;color:var(--ink);margin-bottom:6px}.htv-scope .image-cta .upload-hint{font-size:13px;color:var(--ink-light)}.htv-scope .rules-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:14px}.htv-scope .rule-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.htv-scope .rule-card-top{padding:12px 16px;border-bottom:1px solid var(--border-light)}.htv-scope .rule-cat{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}.htv-scope .rule-cat.cat-hoa{color:var(--indigo)}.htv-scope .rule-cat.cat-chinh{color:var(--red-pen)}.htv-scope .rule-cat.cat-cau{color:var(--gold)}.htv-scope .rule-cat.cat-dac{color:var(--plum)}.htv-scope .rule-title{font-weight:600;color:var(--ink);font-size:14px}.htv-scope .rule-card-body{padding:12px 16px}.htv-scope .rule-content{font-size:13px;color:var(--ink-mid);line-height:1.6;margin-bottom:10px}.htv-scope .rule-examples{display:grid;grid-template-columns:1fr 1fr;gap:8px}.htv-scope .rule-ex{padding:8px 10px;border-radius:var(--radius);font-size:12.5px}.htv-scope .rule-ex.correct{background:var(--jade-light);border:1px solid var(--jade-border);color:var(--jade)}.htv-scope .rule-ex.correct:before{content:"✓ "}.htv-scope .rule-ex.wrong{background:var(--red-light);border:1px solid var(--red-border);color:var(--red-pen)}.htv-scope .rule-ex.wrong:before{content:"✗ "}.htv-scope .htv-loading{text-align:center;padding:60px 20px;color:var(--ink-light);font-size:14px}@media (max-width:768px){.htv-scope .header-badges{display:none}.htv-scope .region-grid,.htv-scope .rules-grid,.htv-scope .sit-grid,.htv-scope .vehicle-grid{grid-template-columns:1fr}.htv-scope .flashcard-grid{grid-template-columns:repeat(2,1fr)}.htv-scope .tab-nav{top:0}.htv-scope .site-header{position:static}}