.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}.resource-stats{display:flex;justify-content:center;gap:32px;margin-bottom:40px;flex-wrap:wrap}.stat-card{background:white;border-radius:60px;padding:16px 32px;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, #e0e7ff, #f0f4ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#667eea;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)}.category-nav{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:32px}.cat-nav-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:10px 24px;border-radius:40px;font-size:0.85rem;font-weight:500;cursor:pointer;transition:all 0.3s;display:inline-flex;align-items:center;gap:8px;color:var(--gray-600)}.cat-nav-btn i{font-size:0.9rem}.cat-nav-btn:hover{background:var(--gray-200);transform:translateY(-2px)}.cat-nav-btn.active{background:linear-gradient(135deg, #667eea, #764ba2);border-color:transparent;color:white;box-shadow:0 4px 12px rgba(102,126,234,0.3)}.resources-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(320px, 1fr));gap:24px;margin-bottom:40px}.resource-card{background:white;border-radius:20px;overflow:hidden;transition:all 0.3s;border:1px solid var(--gray-200);cursor:pointer;position:relative}.resource-card:hover{transform:translateY(-4px);box-shadow:0 20px 30px -12px rgba(0,0,0,0.1);border-color:#667eea}.resource-card:hover .resource-image{transform:scale(1.05)}.resource-image{height:140px;background-size:cover;background-position:center;transition:transform 0.3s;position:relative}.resource-badge{position:absolute;top:12px;right:12px;background:linear-gradient(135deg, #f59e0b, #d97706);color:white;padding:4px 12px;border-radius:30px;font-size:0.65rem;font-weight:500}.resource-content{padding:20px}.resource-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.resource-title h3{font-size:1.1rem;font-weight:600;color:var(--gray-800)}.resource-title i{color:#f59e0b;font-size:0.8rem}.resource-desc{font-size:0.8rem;color:var(--gray-500);margin-bottom:12px;line-height:1.5}.resource-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}.resource-tag{background:var(--gray-100);padding:3px 10px;border-radius:20px;font-size:0.65rem;color:var(--gray-600)}.resource-footer{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--gray-200)}.resource-type{font-size:0.7rem;color:#667eea;font-weight:500}.resource-link{color:var(--gray-400);font-size:0.7rem;display:flex;align-items:center;gap:4px;transition:color 0.2s}.resource-card:hover .resource-link{color:#667eea}.quick-tips{background:linear-gradient(135deg, #f0f4ff, #e8edf8);border-radius:20px;padding:24px;margin-top:20px}.tips-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:600;color:#667eea}.tips-content{display:flex;flex-direction:column;gap:12px}.tip-item{display:flex;align-items:center;gap:10px;font-size:0.8rem;color:var(--gray-600)}.tip-item i{color:#10b981;font-size:0.9rem}.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:768px){.resources-grid{grid-template-columns:1fr}.category-nav{gap:8px}.cat-nav-btn{padding:6px 14px;font-size:0.75rem}.resource-stats{gap:16px}.stat-card{padding:12px 20px}.stat-icon{width:36px;height:36px;font-size:1rem}.stat-value{font-size:1.1rem}}