.page-header{padding:2rem 0 1.5rem}.page-title{font-size:2rem;font-weight:700;color:var(--gray-900);letter-spacing:-0.03em;margin-bottom:0.5rem}.page-subtitle{font-size:1rem;color:var(--gray-500);max-width:600px}.categories-section{padding:1rem 0 3rem}.categories-list{display:flex;flex-direction:column;gap:1rem}.category-item{background:var(--white);border-radius:var(--radius-xl);border:1px solid var(--gray-200);overflow:hidden;transition:all var(--transition-smooth)}.category-item:hover{box-shadow:var(--shadow-md);border-color:var(--gray-300)}.category-main{display:flex;align-items:center;padding:1.25rem 1.5rem;gap:1rem}.category-link{display:flex;align-items:center;gap:1rem;text-decoration:none;flex:1;min-width:0}.category-icon-large{width:56px;height:56px;font-size:1.75rem;display:flex;align-items:center;justify-content:center;background:var(--blue-50);border-radius:var(--radius-lg);flex-shrink:0}.category-info{flex:1;min-width:0}.category-info h2{font-size:1.15rem;font-weight:700;color:var(--gray-900);letter-spacing:-0.02em;margin-bottom:0.25rem}.category-info p{font-size:0.85rem;color:var(--gray-500);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.expand-btn{width:40px;height:40px;border-radius:50%;border:none;background:var(--gray-100);color:var(--gray-600);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);flex-shrink:0}.expand-btn:hover{background:var(--gray-200);color:var(--gray-900)}.expand-btn svg{transition:transform var(--transition-smooth)}.expand-btn[aria-expanded="true"] svg{transform:rotate(180deg)}.subcategories{background:var(--gray-50);border-top:1px solid var(--gray-200);padding:1.25rem 1.5rem}.subcategories-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:0.75rem}.subcategory-card{display:flex;justify-content:space-between;align-items:center;padding:0.875rem 1rem;background:var(--white);border-radius:var(--radius-md);text-decoration:none;border:1px solid var(--gray-200);transition:all var(--transition-fast)}.subcategory-card:hover{border-color:var(--blue-300);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.subcategory-name{font-size:0.9rem;font-weight:500;color:var(--gray-800)}.subcategory-count{font-size:0.75rem;color:var(--gray-400);background:var(--gray-100);padding:0.2rem 0.5rem;border-radius:10px}.seo-section{padding:2rem 0 4rem;border-top:1px solid var(--gray-200)}.seo-content{max-width:800px}.seo-content h2{font-size:1.25rem;font-weight:700;color:var(--gray-900);margin-bottom:1rem}.seo-content p{font-size:0.9rem;color:var(--gray-500);line-height:1.7;margin-bottom:1rem}@media (max-width:768px){.page-title{font-size:1.5rem}.category-main{padding:1rem}.category-icon-large{width:48px;height:48px;font-size:1.5rem}.category-info h2{font-size:1rem}.category-info p{font-size:0.8rem}.subcategories{padding:1rem}.subcategories-grid{grid-template-columns:repeat(2,1fr);gap:0.5rem}.subcategory-card{padding:0.75rem}.subcategory-name{font-size:0.8rem}}@media (max-width:480px){.subcategories-grid{grid-template-columns:1fr}.category-main{flex-wrap:wrap}.expand-btn{order:-1}}