#jj-books .jj-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;justify-items:center;margin:0 auto;max-width:1280px;padding:0 1rem;box-sizing:border-box}@media (max-width:1024px){#jj-books .jj-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:768px){#jj-books .jj-grid{grid-template-columns:repeat(2,1fr);gap:16px}}@media (max-width:480px){#jj-books .jj-grid{grid-template-columns:1fr}}#jj-books .book-card .btn{display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;color:#fff;background:#2563eb;border-radius:8px;min-height:42px;min-width:160px;padding:10px 18px;text-decoration:none;transition:background .25s ease}#jj-books .book-card .btn:hover{background:#1e3a8a}