.nav-categories{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;padding-bottom:16px;border-bottom:1px solid var(--gray-200)}.cat-nav-btn{background:transparent;border:none;padding:8px 24px;font-size:0.9rem;font-weight:500;border-radius:40px;cursor:pointer;transition:all 0.3s;color:var(--gray-600)}.cat-nav-btn:hover{background:var(--gray-100);color:var(--gray-800)}.cat-nav-btn.active{background:var(--primary-color);color:white;box-shadow:0 4px 12px rgba(59,130,246,0.3)}.media-tools-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(320px, 1fr));gap:24px;margin-bottom:40px}.tool-nav-card{background:white;border-radius:20px;padding:20px;transition:all 0.3s;border:1px solid var(--gray-200);display:flex;gap:16px;cursor:pointer;position:relative;overflow:hidden}.tool-nav-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg, var(--primary-color), var(--primary-light));transform:scaleX(0);transition:transform 0.3s}.tool-nav-card:hover{transform:translateY(-4px);box-shadow:0 20px 30px -12px rgba(0,0,0,0.1);border-color:transparent}.tool-nav-card:hover::before{transform:scaleX(1)}.tool-nav-icon{width:56px;height:56px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--primary-color)}.tool-nav-info{flex:1}.tool-nav-info h4{font-size:1rem;font-weight:600;margin-bottom:6px;color:var(--gray-800)}.tool-nav-info p{font-size:0.75rem;color:var(--gray-500);margin-bottom:8px;line-height:1.4}.tool-tags{display:flex;flex-wrap:wrap;gap:6px}.tool-tag{background:var(--gray-100);padding:2px 8px;border-radius:20px;font-size:0.65rem;color:var(--gray-600)}.tool-nav-footer{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.tool-price{font-size:0.7rem;color:var(--gray-500)}.tool-price.free{color:#10b981}.tool-link{color:var(--primary-color);font-size:0.75rem;text-decoration:none}.recommend-section{margin-top:16px}.recommend-list{display:grid;grid-template-columns:repeat(auto-fill, minmax(240px, 1fr));gap:16px;margin-top:16px}.recommend-item{background:linear-gradient(135deg, var(--gray-50), #fff);border-radius:16px;padding:16px;display:flex;align-items:center;gap:12px;cursor:pointer;transition:all 0.2s;border:1px solid var(--gray-200)}.recommend-item:hover{transform:translateX(4px);border-color:var(--primary-color)}.recommend-icon{width:48px;height:48px;background:white;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}.recommend-info{flex:1}.recommend-info h5{font-size:0.9rem;font-weight:600;margin-bottom:4px}.recommend-info p{font-size:0.7rem;color:var(--gray-500)}.recommend-badge{background:#fef3c7;color:#92400e;font-size:0.6rem;padding:2px 8px;border-radius:20px}@media (max-width:768px){.media-tools-grid{grid-template-columns:1fr}.recommend-list{grid-template-columns:1fr}}