.lb-ebook-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.lb-ebook-card{background:#fff;border:1px solid #e8e8e8;border-radius:18px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.05);transition:.25s}.lb-ebook-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(0,0,0,.1)}.lb-ebook-cover{aspect-ratio:3/4;background:#f5f5f5;overflow:hidden}.lb-ebook-cover img{width:100%;height:100%;object-fit:cover;display:block}.lb-ebook-placeholder{height:100%;display:flex;align-items:center;justify-content:center;font-size:60px}.lb-ebook-content{padding:18px}.lb-ebook-content h3{margin:0 0 10px;font-size:19px}.lb-ebook-content p{font-size:14px;line-height:1.6;color:#666}.lb-ebook-price{margin:15px 0}.lb-ebook-price span{font-size:21px;font-weight:700}.lb-ebook-price del{color:#999;margin-left:7px}.lb-ebook-button,.lb-buy-button{display:block;text-align:center;padding:12px 16px;border-radius:10px;background:#111827;color:#fff!important;text-decoration:none!important;font-weight:600}.lb-no-ebooks{padding:40px;text-align:center}.lb-ebook-single{display:flex;gap:40px;align-items:flex-start;margin-top:30px}.lb-single-cover{max-width:360px;flex:0 0 360px}.lb-single-cover img{width:100%;height:auto;border-radius:15px}.lb-single-info{flex:1}.lb-single-price strong{font-size:30px}.lb-single-price del{color:#999;margin-left:10px}.lb-buy-button{max-width:280px;margin:20px 0}.lb-secure-note{color:#666}@media(max-width:900px){.lb-ebook-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:650px){.lb-ebook-grid{grid-template-columns:repeat(2,1fr);gap:14px}.lb-ebook-content{padding:13px}.lb-ebook-content h3{font-size:16px}.lb-ebook-single{display:block}.lb-single-cover{max-width:100%}.lb-buy-button{max-width:none}}@media(max-width:420px){.lb-ebook-grid{grid-template-columns:1fr}}