.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, #8b5cf6, #6d28d9);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, #8b5cf6);-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, #ede9fe, #f3e8ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#8b5cf6;font-size:1.3rem}.core-stat-info{text-align:left}.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)}.mode-tabs{display:flex;gap:16px;margin-bottom:32px;justify-content:center}.mode-tab{background:transparent;border:none;padding:16px 32px;cursor:pointer;transition:all 0.3s;border-radius:24px;text-align:center;min-width:200px}.mode-tab i{font-size:1.3rem;color:var(--gray-400);margin-bottom:8px;display:block}.mode-tab span{display:block;font-weight:600;color:var(--gray-600);margin-bottom:4px}.mode-tab small{font-size:0.7rem;color:var(--gray-400)}.mode-tab.active{background:linear-gradient(135deg, #8b5cf6, #6d28d9);box-shadow:0 8px 25px rgba(139,92,246,0.3)}.mode-tab.active i,.mode-tab.active span,.mode-tab.active small{color:white}.input-card{background:linear-gradient(135deg, #fff, #faf5ff);border-radius:28px;padding:24px;margin-bottom:24px;border:1px solid var(--gray-200)}.input-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:600;color:var(--gray-700)}.input-header i{color:#8b5cf6}.input-hint{margin-left:auto;font-size:0.7rem;font-weight:normal;color:var(--gray-400)}.input-wrapper{display:flex;align-items:center;gap:12px;background:white;border-radius:60px;padding:6px 6px 6px 24px;border:1px solid var(--gray-200);transition:all 0.3s}.input-wrapper:focus-within{border-color:#8b5cf6;box-shadow:0 0 0 3px rgba(139,92,246,0.1)}.input-icon{color:#8b5cf6;font-size:1.1rem}.domain-input{flex:1;border:none;padding:14px 0;font-size:1rem;background:transparent;font-family:monospace}.domain-input:focus{outline:none}.convert-btn{background:linear-gradient(135deg, #8b5cf6, #6d28d9);border:none;padding:12px 28px;border-radius:50px;color:white;font-weight:600;cursor:pointer;transition:all 0.3s}.convert-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(139,92,246,0.4)}.example-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.tag{background:var(--gray-100);padding:5px 12px;border-radius:30px;font-size:0.7rem;cursor:pointer;transition:all 0.2s;font-family:monospace}.tag:hover{background:#8b5cf6;color:white}.result-card{background:linear-gradient(135deg, #faf5ff, #fff);border-radius:28px;padding:24px;border:1px solid var(--gray-200)}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-weight:600;color:var(--gray-700)}.result-header i{color:#8b5cf6}.copy-btn{background:transparent;border:1px solid var(--gray-300);padding:6px 14px;border-radius:30px;cursor:pointer;transition:all 0.2s;font-size:0.75rem}.copy-btn:hover{background:#8b5cf6;border-color:#8b5cf6;color:white}.result-content{background:#1a1a2e;color:#e0e0e0;padding:20px;border-radius:20px;font-family:'Fira Code',monospace;font-size:1rem;word-break:break-all;text-align:center;letter-spacing:0.5px}.result-footer{margin-top:12px;text-align:center}.info-badge{font-size:0.7rem;color:var(--gray-500)}.info-badge i{color:#8b5cf6;margin-right:4px}.batch-section{margin-top:24px}.batch-header{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--gray-200);cursor:pointer}.batch-header i{color:#8b5cf6}.toggle-btn{margin-left:auto;background:transparent;border:none;color:var(--gray-500);cursor:pointer;font-size:0.8rem}.batch-panel{margin-top:16px;padding:20px;background:var(--gray-50);border-radius:24px}.batch-textarea{width:100%;min-height:150px;padding:16px;border:1px solid var(--gray-200);border-radius:20px;font-family:monospace;font-size:0.85rem;resize:vertical;background:white}.batch-textarea:focus{outline:none;border-color:#8b5cf6}.batch-actions{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}.btn-primary-sm{background:linear-gradient(135deg, #8b5cf6, #6d28d9);color:white;border:none;padding:10px 20px;border-radius:40px;cursor:pointer}.btn-outline-sm{background:transparent;border:1px solid var(--gray-300);padding:10px 20px;border-radius:40px;cursor:pointer}.batch-result{margin-top:20px;animation:fadeIn 0.3s ease}.batch-result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding:8px 0}.copy-btn-sm{background:transparent;border:1px solid var(--gray-300);padding:4px 12px;border-radius:30px;cursor:pointer;font-size:0.7rem}.batch-result-list{max-height:300px;overflow-y:auto}.batch-result-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:white;border-radius:16px;margin-bottom:8px;border:1px solid var(--gray-200)}.batch-original{font-family:monospace;font-size:0.85rem;color:var(--gray-600)}.batch-converted{font-family:monospace;font-size:0.85rem;color:#8b5cf6;font-weight:500}.knowledge-section{margin-top:32px;background:linear-gradient(135deg, #faf5ff, #f3e8ff);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(4, 1fr);gap:20px}.knowledge-card{background:white;border-radius:20px;padding:20px;text-align:center;transition:all 0.3s}.knowledge-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px rgba(0,0,0,0.08)}.knowledge-card i{font-size:1.8rem;color:#8b5cf6;margin-bottom:12px}.knowledge-card h4{font-size:0.9rem;margin-bottom:8px}.knowledge-card p{font-size:0.7rem;color:var(--gray-500);line-height:1.5}.info-section{margin-top:24px}.divider{display:flex;align-items:center;gap:12px;margin-bottom:16px}.divider span{font-size:0.85rem;font-weight:500;color:var(--gray-600)}.divider::after{content:'';flex:1;height:1px;background:var(--gray-200)}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:16px;background:var(--gray-50);border-radius:20px}.info-item{display:flex;align-items:center;gap:8px;font-size:0.8rem;color:var(--gray-600)}.info-item i{color:#10b981}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.knowledge-grid{grid-template-columns:repeat(2, 1fr)}.info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:768px){.input-wrapper{flex-direction:column;border-radius:30px;padding:20px}.convert-btn{width:100%}.knowledge-grid{grid-template-columns:1fr}.info-grid{grid-template-columns:1fr}.mode-tab{padding:12px 20px;min-width:auto}.batch-result-item{flex-direction:column;gap:8px;align-items:flex-start}}