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80px) / 6);min-width:280px}.product-card{border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.1);transition:transform .3s ease,box-shadow .3s ease;height:100%}.product-card:hover{transform:translateY(-4px);box-shadow:0 4px 16px rgba(0,0,0,.15)}.product-image-container{position:relative;height:200px;overflow:hidden}.product-image-container img{width:65%;display:flex;justify-content:center;overflow:hidden;margin:0 auto;object-fit:contain}.product-badges{position:absolute;top:8px;left:8px;display:flex;flex-direction:column;gap:4px}.flash-sale-badge{background:#ff4444;color:white;padding:2px 8px;border-radius:4px;font-size:10px;font-weight:700}.discount-badge{background:#ff6b00;padding:2px 8px;font-size:10px}.product-info{padding:16px}.product-specs{display:flex;justify-content:space-between;margin-bottom:8px;font-size:12px}.spec-item{display:flex;flex-direction:column;align-items:center}.spec-label{color:#666;margin-bottom:2px}.product-title,.spec-value{font-weight:700;color:#333}.product-title{font-size:14px;margin:12px 0;line-height:1.3;height:40px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.product-pricing{margin-bottom:12px}.current-price{font-size:16px;font-weight:700;color:#ff4444}.original-price{font-size:12px;color:#999;text-decoration:line-through}.discount-percent{background:#ff4444;color:white;padding:2px 6px;border-radius:4px;font-size:10px;font-weight:700}.product-actions{display:flex;align-items:center;justify-content:space-between}.fire-icon{color:#ff6b00;font-size:16px}.stock-status{font-size:12px;color:#666;flex:1;text-align:center}.add-to-cart-btn{background:#1976d2;border:none;border-radius:4px;width:32px;height:32px;display:flex;align-items:center;justify-content:center}.add-to-cart-btn:hover{background:#1565c0}@media (max-width:768px){.promotion-wrapper{max-width:95%}.main-title{font-size:28px}.banner2-content{flex-direction:column;gap:8px}.discount-text{font-size:24px}.tab-navigation{padding:16px}.tab-navigation,.tabs{flex-direction:column;gap:16px}.tabs{width:100%}.tab{min-width:auto}.countdown-container{position:static;transform:none;margin-top:16px}.product-slide{flex:0 0 calc(100% - 32px);min-width:250px}.products-track{gap:12px}}@media (max-width:480px){.promotion-wrapper{max-width:100%}.main-title{font-size:24px}.banner2{height:60px}.banner2-text{font-size:14px;padding:6px 12px}.discount-text{font-size:20px}.product-title{font-size:13px}.current-price{font-size:14px}.product-slide{min-width:220px}}.book-card-wrapper{width:100%;margin:0}.book-card,.book-card-wrapper{display:flex;flex-direction:column;height:100%}.book-card{border-radius:8px;overflow:hidden;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px rgba(0,0,0,.1);position:relative}.book-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.15)}.book-image-container{position:relative;overflow:hidden;background:#f5f5f5;height:220px;display:flex;align-items:center;justify-content:center}.book-image{width:100%;height:220px;object-fit:contain;padding:12px;transition:transform .3s ease}.book-image-container:hover .book-image{transform:scale(1.05)}.discount-badge{position:absolute;top:12px;left:12px;background:#52c41a;color:white;padding:4px 8px;font-size:12px;font-weight:700;border-radius:4px;z-index:3}.book-actions{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;gap:8px;z-index:10;pointer-events:none}.book-actions .ant-btn{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border:none;box-shadow:0 2px 8px rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);transform:translateY(20px);opacity:0;visibility:hidden;pointer-events:auto;color:#333!important;font-size:14px}.book-image-container:hover .book-actions .ant-btn{transform:translateY(0);opacity:1;visibility:visible}.book-actions .ant-btn:first-child{transition-delay:0s}.book-actions .ant-btn:nth-child(2){transition-delay:.1s}.book-actions .ant-btn:nth-child(3){transition-delay:.2s}.book-actions .ant-btn:hover{transform:translateY(-2px) scale(1.1);box-shadow:0 6px 16px rgba(0,0,0,.25);background:white}.favorite-btn.favorited{color:#ff4d4f!important;background:rgba(255,77,79,.1)!important}.favorite-btn.favorited:hover{background:rgba(255,77,79,.2)!important}.cart-btn{color:#1890ff!important}.cart-btn:hover{background:rgba(24,144,255,.1)!important}.view-btn{color:#52c41a!important}.view-btn:hover{background:rgba(82,196,26,.1)!important}@media (max-width:991px){.book-actions .ant-btn{opacity:1;visibility:visible;transform:translateY(0);width:32px;height:32px;background:rgba(255,255,255,.95);font-size:12px}.book-actions{background:rgba(0,0,0,.3);padding:6px;border-radius:8px;backdrop-filter:blur(5px);gap:6px}}.book-info{padding:12px 16px 16px;flex:1;display:flex;flex-direction:column;justify-content:space-between}.book-title{margin-bottom:8px!important;height:44px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px!important;line-height:1.4!important}.book-author{display:block;margin-bottom:12px;font-size:13px;color:#666}.price-container{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:auto}.original-price{color:#8c8c8c;font-size:13px}.discount-price{color:#ff4d4f;font-size:15px;font-weight:600}.current-price{color:#262626;font-size:15px;font-weight:600}.free-text{color:#52c41a;font-weight:600;font-size:14px}.section{margin-bottom:48px}.section-title{margin-bottom:24px!important;text-align:center;padding-bottom:8px;border-bottom:2px solid #f0f0f0}.bookstore-container{padding:24px;max-width:80%;margin:0 auto}.books-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;margin-bottom:32px}.book-grid-item{width:100%}@media (max-width:1400px){.books-grid{grid-template-columns:repeat(4,1fr)}}@media (max-width:1024px){.books-grid{grid-template-columns:repeat(3,1fr);gap:20px}}@media (max-width:768px){.books-grid{grid-template-columns:repeat(2,1fr);gap:16px}}@media (max-width:480px){.books-grid{grid-template-columns:1fr;gap:16px}}@media (max-width:1200px){.book-image,.book-image-container{height:200px}}@media (max-width:768px){.bookstore-container{padding:16px}.book-image,.book-image-container{height:180px}.book-title{font-size:13px!important}.section{margin-bottom:32px}}