.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)}.video-filter-container{display:grid;grid-template-columns:320px 1fr;gap:24px;margin-bottom:32px}.filter-sidebar{display:flex;flex-direction:column;gap:20px}.upload-card,.filter-card,.adjust-card{background:white;border-radius:24px;padding:20px;border:1px solid var(--gray-200);transition:all 0.3s}.upload-card:hover,.filter-card:hover,.adjust-card:hover{box-shadow:0 8px 25px rgba(0,0,0,0.08)}.upload-area{border:2px dashed var(--gray-300);border-radius:20px;padding:30px 20px;text-align:center;cursor:pointer;transition:all 0.3s}.upload-area:hover{border-color:#667eea;background:var(--gray-50)}.upload-area i{font-size:48px;color:var(--gray-400);margin-bottom:12px}.upload-area p{font-weight:500;margin-bottom:4px}.upload-area span{font-size:0.7rem;color:var(--gray-400)}.upload-btn{margin-top:16px}.video-info{margin-top:16px;padding:12px;background:var(--gray-50);border-radius:16px}.info-item{display:flex;align-items:center;gap:8px;font-size:0.8rem;color:var(--gray-600);margin-bottom:6px}.info-item:last-child{margin-bottom:0}.filter-card h3,.adjust-card h3{font-size:1rem;margin-bottom:16px;color:var(--gray-700);display:flex;align-items:center;gap:8px}.filter-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:10px}.filter-btn{background:var(--gray-50);border:1px solid var(--gray-200);padding:10px 8px;border-radius:16px;cursor:pointer;transition:all 0.2s;text-align:center}.filter-btn i{display:block;font-size:1rem;margin-bottom:4px;color:var(--gray-500)}.filter-btn span{font-size:0.7rem;color:var(--gray-600)}.filter-btn.active{background:linear-gradient(135deg, #667eea, #764ba2);border-color:transparent}.filter-btn.active i,.filter-btn.active span{color:white}.filter-btn:hover:not(.active){background:var(--gray-100);transform:translateY(-2px)}.adjust-item{margin-bottom:16px}.adjust-item label{display:flex;justify-content:space-between;font-size:0.75rem;color:var(--gray-600);margin-bottom:6px}.adjust-item input{width:100%}.preview-area{background:white;border-radius:24px;border:1px solid var(--gray-200);overflow:hidden}.preview-card{display:flex;flex-direction:column;height:100%}.preview-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.preview-title{display:flex;align-items:center;gap:8px;font-weight:600}.preview-actions{display:flex;gap:12px}.action-icon{background:transparent;border:none;width:36px;height:36px;border-radius:50%;cursor:pointer;transition:all 0.2s;color:var(--gray-600)}.action-icon:hover:not(:disabled){background:var(--gray-100);color:#667eea}.action-icon:disabled{opacity:0.4;cursor:not-allowed}.video-container{position:relative;background:#1a1a2e;min-height:400px;display:flex;align-items:center;justify-content:center}.video-player{width:100%;min-height:400px;max-height:500px;object-fit:contain}.filter-canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.no-video{position:absolute;text-align:center;color:var(--gray-500);padding:60px 20px}.no-video i{font-size:30px;margin-bottom:5px;opacity:0.5}.preview-footer{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);font-size:0.75rem}.filter-tag{display:flex;align-items:center;gap:6px;color:#667eea}.tip-text{display:flex;align-items:center;gap:6px;color:var(--gray-500)}.info-footer{margin-top:24px;background:var(--gray-50);border-radius:24px;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:linear-gradient(135deg, #667eea, #764ba2);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)}@media (max-width:900px){.video-filter-container{grid-template-columns:1fr}.info-footer-steps{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.info-footer-steps{grid-template-columns:1fr}.filter-grid{grid-template-columns:repeat(2, 1fr)}.preview-actions{flex-wrap:wrap}}