.hub-container{max-width:900px;margin:0 auto;padding:2rem 1rem}.hub-title{font-size:2rem;margin-bottom:2rem;border-left:5px solid #555;padding-left:1rem}.card-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));gap:1.5rem}.category-card{background:var(--bg-color, #fff);border:1px solid #eee;border-radius:12px;text-decoration:none !important;color:inherit !important;transition:all .3s ease;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 2px 4px rgba(0,0,0,.05)}.category-card:hover{transform:translateY(-5px);box-shadow:0 12px 20px rgba(0,0,0,.1);border-color:#aaa}.card-content{padding:1.5rem}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;font-size:.85rem;color:#888}.card-title{margin:0 0 .75rem 0;font-size:1.25rem;font-weight:700}.card-description{font-size:.95rem;line-height:1.5;color:#666;margin-bottom:1.5rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-footer{font-size:.85rem;font-weight:600;color:#333;text-align:right}