.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, #06b6d4, #0891b2);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, #06b6d4);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.stats-cards{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.stat-card{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)}.stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #cffafe, #ecfdf5);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#06b6d4;font-size:1.3rem}.stat-info{text-align:left}.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.stat-label{font-size:0.7rem;color:var(--gray-500)}.input-card{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:80px;padding:8px;box-shadow:0 20px 40px -15px rgba(0,0,0,0.1);border:1px solid rgba(0,0,0,0.05);margin-bottom:24px}.input-wrapper{display:flex;align-items:center;gap:12px;background:white;border-radius:80px;padding:6px 6px 6px 24px;flex-wrap:wrap}.input-icon{color:#06b6d4;font-size:1.1rem}.domain-input{flex:2;border:none;padding:14px 0;font-size:1rem;background:transparent;min-width:180px}.domain-input:focus{outline:none}.record-type-selector{flex:1;min-width:160px}.record-select{width:100%;padding:10px 16px;border:1px solid var(--gray-200);border-radius:60px;background:white;font-size:0.85rem;cursor:pointer}.query-btn{background:linear-gradient(135deg, #06b6d4, #0891b2);border:none;padding:12px 28px;border-radius:60px;color:white;font-weight:600;cursor:pointer;transition:all 0.3s}.query-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(6,182,212,0.3)}.quick-domains{display:flex;align-items:center;gap:12px;margin-top:16px;padding:0 16px 8px;flex-wrap:wrap}.quick-label{font-size:0.75rem;color:var(--gray-500)}.quick-domain{background:var(--gray-100);border:1px solid var(--gray-200);padding:5px 14px;border-radius:40px;font-size:0.7rem;cursor:pointer;transition:all 0.2s}.quick-domain:hover{background:#06b6d4;border-color:#06b6d4;color:white}.loading-state{text-align:center;padding:60px;background:var(--gray-50);border-radius:32px}.loading-spinner{width:50px;height:50px;border:3px solid var(--gray-200);border-top-color:#06b6d4;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}.loading-steps{display:flex;justify-content:center;gap:24px;margin-top:20px;flex-wrap:wrap}.loading-steps span{font-size:0.8rem;color:var(--gray-500);opacity:0.5}.loading-steps span.active{opacity:1;color:#06b6d4}@keyframes spin{to{transform:rotate(360deg)}}.result-area{animation:fadeIn 0.4s ease}.domain-info-card{background:linear-gradient(135deg, #cffafe, #ecfdf5);border-radius:24px;padding:20px;margin-bottom:24px;display:flex;align-items:center;gap:20px}.domain-icon{width:56px;height:56px;background:white;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#06b6d4}.domain-name{font-size:1.2rem;font-weight:700;color:var(--gray-800);margin-bottom:8px}.domain-meta{display:flex;gap:16px;flex-wrap:wrap}.meta-badge{font-size:0.7rem;color:var(--gray-500);background:white;padding:4px 12px;border-radius:30px}.record-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}.record-tab{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;font-size:0.8rem;font-weight:500;cursor:pointer;transition:all 0.2s}.record-tab.active{background:#06b6d4;border-color:#06b6d4;color:white}.record-tab:hover:not(.active){background:var(--gray-200)}.records-content{background:white;border-radius:20px;border:1px solid var(--gray-200);overflow:hidden;margin-bottom:24px}.record-table{width:100%;border-collapse:collapse}.record-table th,.record-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--gray-100)}.record-table th{background:var(--gray-50);font-weight:600;color:var(--gray-600);font-size:0.8rem}.record-table td{font-family:monospace;font-size:0.85rem;word-break:break-all}.record-table tr:hover td{background:var(--gray-50)}.record-value{color:#06b6d4;font-weight:500}.record-ttl{color:var(--gray-500);font-size:0.7rem}.empty-records{text-align:center;padding:40px;color:var(--gray-400)}.stats-chart{background:white;border-radius:20px;padding:20px;border:1px solid var(--gray-200)}.chart-header{font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}.dns-knowledge{margin-top:32px;background:linear-gradient(135deg, #f0fdf4, #ecfdf5);border-radius:28px;padding:24px}.knowledge-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-weight:600;color:var(--gray-700)}.knowledge-grid{display:grid;grid-template-columns:repeat(6, 1fr);gap:16px}.knowledge-card{background:white;border-radius:16px;padding:16px;text-align:center;transition:all 0.3s}.knowledge-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,0.05)}.knowledge-card i{font-size:1.5rem;color:#06b6d4;margin-bottom:8px}.knowledge-card h4{font-size:0.8rem;margin-bottom:4px}.knowledge-card p{font-size:0.65rem;color:var(--gray-500)}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.input-wrapper{flex-direction:column;border-radius:30px;padding:20px}.input-card{border-radius:30px}.record-type-selector{width:100%}.query-btn{width:100%}.knowledge-grid{grid-template-columns:repeat(3, 1fr)}.stats-cards{gap:12px}.stat-card{padding:12px 20px}}@media (max-width:600px){.knowledge-grid{grid-template-columns:repeat(2, 1fr)}.domain-info-card{flex-direction:column;text-align:center}.domain-meta{justify-content:center}.record-table th,.record-table td{padding:10px 12px;font-size:0.7rem}}