.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, #667eea, #764ba2);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, #667eea);-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, #e0e7ff, #f0f4ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#667eea;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)}.md5-tabs{display:flex;gap:16px;margin-bottom:32px;justify-content:center}.md5-tab{background:transparent;border:none;padding:14px 28px;cursor:pointer;transition:all 0.3s;border-radius:20px;text-align:center;min-width:160px}.md5-tab i{font-size:1.3rem;color:var(--gray-400);margin-bottom:8px;display:block}.md5-tab span{display:block;font-weight:600;color:var(--gray-600);margin-bottom:4px}.md5-tab small{font-size:0.65rem;color:var(--gray-400)}.md5-tab.active{background:linear-gradient(135deg, #667eea, #764ba2);box-shadow:0 8px 25px rgba(102,126,234,0.3)}.md5-tab.active i,.md5-tab.active span,.md5-tab.active small{color:white}.upload-card,.batch-upload-card{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:24px;padding:24px;margin-bottom:24px;border:1px solid var(--gray-200)}.upload-area,.batch-upload-area{border:2px dashed var(--gray-300);border-radius:20px;padding:40px;text-align:center;cursor:pointer;transition:all 0.3s}.upload-area:hover,.batch-upload-area:hover{border-color:#667eea;background:var(--gray-50)}.upload-area i,.batch-upload-area i{font-size:48px;color:var(--gray-400);margin-bottom:16px}.upload-hint{display:block;font-size:0.7rem;color:var(--gray-400);margin:12px 0}.file-info{margin-top:20px;padding:16px;background:var(--gray-50);border-radius:16px}.file-detail{display:flex;gap:16px;margin-bottom:16px}.file-icon{width:48px;height:48px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#667eea;font-size:1.3rem}.file-name{font-weight:600;margin-bottom:4px}.file-meta{display:flex;gap:16px;font-size:0.7rem;color:var(--gray-500)}.md5-info{border-top:1px solid var(--gray-200);padding-top:12px}.md5-row{display:flex;align-items:center;gap:12px;padding:6px 0}.md5-label{width:80px;font-size:0.75rem;color:var(--gray-500)}.md5-value{flex:1;font-family:monospace;font-size:0.75rem;word-break:break-all;color:var(--gray-700)}.copy-md5{background:transparent;border:none;color:var(--gray-400);cursor:pointer;padding:4px 8px;border-radius:6px}.copy-md5:hover{background:var(--gray-200);color:#667eea}.modify-options{background:var(--gray-50);border-radius:20px;padding:20px;margin-bottom:24px;display:flex;flex-wrap:wrap;gap:24px}.option-group{flex:1}.option-group label{display:block;font-size:0.75rem;font-weight:600;color:var(--gray-500);margin-bottom:12px}.option-buttons{display:flex;gap:12px;flex-wrap:wrap}.option-btn{background:white;border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;font-size:0.8rem;cursor:pointer;transition:all 0.2s;display:inline-flex;align-items:center;gap:6px}.option-btn.active{background:#667eea;border-color:#667eea;color:white}.seed-input{display:flex;gap:12px}.seed-field{flex:1;padding:10px 16px;border:1px solid var(--gray-200);border-radius:40px;font-size:0.85rem}.icon-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:10px 16px;border-radius:40px;cursor:pointer}.action-buttons{display:flex;justify-content:center;gap:16px;margin-bottom:24px}.modify-btn{background:linear-gradient(135deg, #667eea, #764ba2);padding:14px 36px;font-size:1rem;border-radius:50px}.btn-outline{background:transparent;border:1px solid var(--gray-300);padding:12px 24px;border-radius:50px;font-weight:500;cursor:pointer;transition:all 0.3s;display:inline-flex;align-items:center;gap:8px}.btn-outline:hover{background:var(--gray-100);border-color:#667eea;color:#667eea}.batch-file-list{max-height:300px;overflow-y:auto;margin:16px 0}.batch-file-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--gray-50);border-radius:12px;margin-bottom:8px}.batch-file-item .file-icon{width:36px;height:36px;font-size:1rem}.batch-file-info{flex:1}.batch-file-name{font-size:0.85rem;font-weight:500}.batch-file-size{font-size:0.65rem;color:var(--gray-400)}.batch-file-status{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.7rem}.status-pending{background:var(--gray-200);color:var(--gray-500)}.status-success{background:#d1fae5;color:#065f46}.status-error{background:#fee2e2;color:#991b1b}.batch-actions{display:flex;justify-content:center;gap:16px;margin-top:16px;flex-wrap:wrap}.batch-progress{margin-top:16px}.progress-bar{height:8px;background:var(--gray-200);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg, #667eea, #764ba2);width:0%;transition:width 0.3s}.progress-text{text-align:center;font-size:0.7rem;margin-top:8px;color:var(--gray-500)}.compare-container{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;margin-bottom:24px}.compare-card{background:var(--gray-50);border-radius:20px;padding:20px}.compare-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:600}.compare-upload{border:2px dashed var(--gray-300);border-radius:16px;padding:30px;text-align:center;cursor:pointer}.compare-upload i{font-size:32px;color:var(--gray-400);margin-bottom:12px}.vs-badge{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;font-size:1.5rem;font-weight:700;color:#667eea}.compare-file-info{margin-top:16px;padding:12px;background:white;border-radius:12px}.compare-file-name{font-size:0.85rem;font-weight:500;margin-bottom:4px}.compare-md5{font-size:0.7rem;font-family:monospace;color:var(--gray-500)}.compare-result{margin-top:24px;padding:24px;background:var(--gray-50);border-radius:20px;text-align:center}.result-icon{font-size:3rem;margin-bottom:16px}.result-text{font-size:1.1rem;font-weight:600;margin-bottom:8px}.result-detail{font-size:0.8rem;color:var(--gray-500)}.result-preview{margin-top:24px;background:white;border-radius:20px;overflow:hidden;border:1px solid var(--gray-200);animation:fadeIn 0.3s ease}.result-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:linear-gradient(135deg, #d1fae5, #a7f3d0);border-bottom:1px solid #bbf7d0}.result-header i{color:#065f46}.result-content{padding:20px}.result-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--gray-200)}.result-row:last-child{border-bottom:none}.result-label{width:80px;font-size:0.8rem;color:var(--gray-500)}.result-value{flex:1;font-family:monospace;font-size:0.8rem;word-break:break-all}.close-btn{background:transparent;border:none;font-size:1.2rem;cursor:pointer;color:var(--gray-500)}.info-footer{margin-top:32px;background:var(--gray-50);border-radius:28px;padding:24px}.info-footer-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-weight:600;color:var(--gray-700)}.info-footer-steps{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.step-item{display:flex;gap:14px;align-items:flex-start}.step-number{width:36px;height:36px;background:#667eea;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.step-content h4{font-size:0.9rem;margin-bottom:4px}.step-content p{font-size:0.75rem;color:var(--gray-500)}.ad-section{margin:20px 0 40px}.ad-banner{background:linear-gradient(135deg, #f5f5f5, #fff);border:1px solid var(--gray-200);border-radius:16px;padding:20px;text-align:center;position:relative}.ad-label{position:absolute;top:8px;right:12px;font-size:0.6rem;color:var(--gray-400)}.ad-content{color:var(--gray-500);font-size:0.85rem}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.compare-container{grid-template-columns:1fr}.vs-badge{display:none}.info-footer-steps{grid-template-columns:repeat(2, 1fr)}.md5-tab{min-width:auto;padding:10px 16px}}@media (max-width:480px){.info-footer-steps{grid-template-columns:1fr}.core-stats{gap:12px}.core-stat{padding:12px 20px}.modify-options{flex-direction:column}.action-buttons{flex-direction:column}.batch-actions{flex-direction:column}}