.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #059669, #047857);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #059669);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{background:white;border-radius:60px;padding:16px 28px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.core-stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #d1fae5, #a7f3d0);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#059669;font-size:1.3rem}.core-stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.gbk-tabs{display:flex;gap:12px;margin-bottom:28px;flex-wrap:wrap;border-bottom:1px solid var(--gray-200);padding-bottom:12px}.gbk-tab{background:transparent;border:none;padding:10px 24px;cursor:pointer;transition:all 0.3s;border-radius:40px;display:flex;align-items:center;gap:8px;font-weight:500;color:var(--gray-600)}.gbk-tab i{font-size:1rem}.gbk-tab.active{background:linear-gradient(135deg, #059669, #047857);color:white;box-shadow:0 4px 12px rgba(5,150,105,0.3)}.query-card,.convert-card,.area-card,.browse-card{background:white;border-radius:24px;padding:24px;margin-bottom:24px;border:1px solid var(--gray-200);box-shadow:0 4px 15px rgba(0,0,0,0.03)}.query-header,.convert-header,.area-header,.browse-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid #e0e7ff;font-weight:600;color:var(--gray-700)}.query-header i,.convert-header i{color:#059669}.query-input-group{display:flex;gap:12px;flex-wrap:wrap}.query-input{flex:1;padding:14px 20px;border:2px solid var(--gray-200);border-radius:60px;font-size:1rem;transition:all 0.3s}.query-input:focus{outline:none;border-color:#059669;box-shadow:0 0 0 3px rgba(5,150,105,0.1)}.query-btn{background:linear-gradient(135deg, #059669, #047857);border:none;padding:12px 28px;border-radius:60px;color:white;font-weight:500;cursor:pointer;transition:all 0.3s}.query-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(5,150,105,0.3)}.search-result,.convert-result,.area-result{margin-top:20px;animation:fadeIn 0.3s ease}.result-card{background:linear-gradient(135deg, #f0fdf4, #dcfce7);border-radius:20px;padding:20px;border:1px solid #bbf7d0}.result-row{display:flex;align-items:center;gap:16px;padding:10px 0;border-bottom:1px solid #dcfce7}.result-row:last-child{border-bottom:none}.result-label{width:100px;font-size:0.85rem;font-weight:500;color:var(--gray-600)}.result-value{flex:1;font-size:1rem;color:var(--gray-800)}.char-display{font-size:1.3rem;font-weight:600}.code-value{font-family:'Fira Code',monospace;color:#059669;font-weight:600}.copy-code{background:transparent;border:1px solid #bbf7d0;padding:4px 12px;border-radius:30px;cursor:pointer;font-size:0.7rem;transition:all 0.2s;color:var(--gray-500)}.copy-code:hover{background:#059669;border-color:#059669;color:white}.convert-textarea{width:100%;min-height:150px;padding:16px;border:2px solid var(--gray-200);border-radius:20px;font-family:'Fira Code',monospace;font-size:0.9rem;resize:vertical}.convert-textarea:focus{outline:none;border-color:#059669}.convert-options{display:flex;align-items:center;gap:16px;margin:20px 0;flex-wrap:wrap}.direction-select{padding:10px 20px;border:1px solid var(--gray-300);border-radius:40px;background:white;font-size:0.9rem}.convert-action-btn{background:#059669;border:none;padding:10px 24px;border-radius:40px;color:white;cursor:pointer}.convert-output{background:#1a1a2e;padding:16px;border-radius:16px;font-family:'Fira Code',monospace;font-size:0.85rem;color:#e0e0e0;word-break:break-all;margin:12px 0}.copy-result-btn{background:transparent;border:1px solid var(--gray-300);padding:8px 20px;border-radius:30px;cursor:pointer}.area-input-group{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.area-input{width:100px;padding:12px 16px;border:2px solid var(--gray-200);border-radius:16px;text-align:center;font-size:1rem}.area-input:focus{outline:none;border-color:#059669}.browse-controls{display:flex;gap:12px;margin-left:auto}.table-search{padding:8px 16px;border:1px solid var(--gray-200);border-radius:30px;width:200px}.table-range{padding:8px 16px;border:1px solid var(--gray-200);border-radius:30px;background:white}.table-wrapper{overflow-x:auto;max-height:500px;overflow-y:auto;margin-top:16px}.gbk-table{width:100%;border-collapse:collapse;font-size:0.8rem}.gbk-table th,.gbk-table td{padding:10px 8px;text-align:center;border-bottom:1px solid var(--gray-200)}.gbk-table th{background:var(--gray-50);font-weight:600;position:sticky;top:0}.gbk-table tr:hover td{background:var(--gray-50)}.quick-reference{background:linear-gradient(135deg, #f0fdf4, #ecfdf5);border-radius:20px;padding:20px;margin-top:24px}.ref-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:600;color:#065f46}.ref-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px}.ref-item{background:white;border-radius:16px;padding:12px;text-align:center}.ref-range{display:block;font-family:'Fira Code',monospace;font-weight:600;color:#059669;margin-bottom:4px}.ref-desc{font-size:0.7rem;color:var(--gray-500)}.table-pagination{display:flex;justify-content:center;gap:8px;margin-top:20px;flex-wrap:wrap}.page-btn{background:white;border:1px solid var(--gray-200);padding:6px 12px;border-radius:8px;cursor:pointer;font-size:0.8rem}.page-btn.active{background:#059669;color:white;border-color:#059669}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.ref-grid{grid-template-columns:repeat(2, 1fr)}.result-row{flex-wrap:wrap}.result-label{width:auto}}@media (max-width:768px){.gbk-tabs{justify-content:center}.ref-grid{grid-template-columns:1fr}.browse-controls{flex-direction:column;width:100%;margin-top:12px}.table-search,.table-range{width:100%}.area-input-group{flex-direction:column;align-items:stretch}.area-input{width:100%}}