:root{--color-primary:#0070f3;--color-secondary:#ff4081;--color-text:#333;--color-bg:#f5f5f5;--color-border:#ddd;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--max-width:1200px}body{color:var(--color-text);background-color:var(--color-bg);margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}a{color:var(--color-primary);text-decoration:none}ul{margin:0;padding:0;list-style:none}.container{max-width:var(--max-width);padding:var(--spacing-md);margin:0 auto}.page-layout{gap:var(--spacing-lg);padding:var(--spacing-lg)0;display:flex}.main-content{flex-grow:1;padding:0}.header{padding:var(--spacing-sm)0;border-bottom:1px solid var(--color-border);background-color:#fff;box-shadow:0 2px 4px #0000000d}.header-content{justify-content:space-between;align-items:center;display:flex}.header-left,.header-right{align-items:center;gap:var(--spacing-md);display:flex}.site-title{color:var(--color-text);font-size:1.8rem;font-weight:700}.sidebar{width:250px;padding:var(--spacing-md);background-color:#fff;border-radius:8px;flex-shrink:0;align-self:flex-start;box-shadow:0 1px 3px #0000001a}.sidebar h3{color:#444;margin-top:var(--spacing-md);margin-bottom:var(--spacing-sm);border-bottom:1px solid var(--color-border);padding-bottom:4px;font-size:1.1rem}.sidebar h3:first-of-type{margin-top:0}.sidebar ul{margin-bottom:var(--spacing-md)}.category-link{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;border-bottom:none;flex-grow:1;padding:6px 0;transition:color .2s;overflow:hidden}.category-link:hover{color:var(--color-primary)}.category-item{margin-bottom:5px}.category-header{justify-content:space-between;align-items:center;padding:3px 0;display:flex}.category-header:hover .category-link{color:var(--color-primary)}.toggle-button{cursor:pointer;margin-left:var(--spacing-sm);color:#666;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;padding:5px;transition:background-color .2s,color .2s;display:flex}.toggle-button:hover{background-color:var(--color-border);color:var(--color-primary)}.sub-category-list{margin:5px 0 5px var(--spacing-md);border-left:2px solid var(--color-border);padding-left:var(--spacing-sm)}.sub-category-item a{color:var(--color-text);padding:3px 0;font-size:.9rem;display:block}.sub-category-item a:hover{color:var(--color-primary)}.sub-category-item .count{color:#999;margin-left:5px;font-size:.8rem}.product-grid{gap:var(--spacing-md);margin-top:var(--spacing-md);margin-bottom:var(--spacing-lg);grid-template-columns:repeat(6,1fr);display:grid}.product-card{border:1px solid var(--color-border);padding:var(--spacing-sm);text-align:center;background-color:#fff;border-radius:8px;flex-direction:column;justify-content:space-between;height:100%;transition:box-shadow .2s,transform .2s;display:flex;box-shadow:0 1px 3px #0000000d}.product-card:hover{transform:translateY(-2px);box-shadow:0 4px 8px #0000001a}.product-image{object-fit:contain;width:100%;height:110px;margin:0 auto var(--spacing-sm);border-radius:4px}.product-info{padding:0 var(--spacing-sm);margin-bottom:var(--spacing-sm);flex-grow:1}.product-name{-webkit-line-clamp:2;text-overflow:ellipsis;-webkit-box-orient:vertical;margin:0;font-size:.85rem;line-height:1.3;display:-webkit-box;overflow:hidden}.product-price{color:var(--color-secondary);margin-top:0;font-size:1rem;font-weight:700}.pagination{margin-top:var(--spacing-lg);border-top:1px dashed var(--color-border);padding-top:var(--spacing-md);flex-wrap:wrap;justify-content:center;display:flex}.page-number{cursor:pointer;border:1px solid var(--color-border);color:var(--color-text);border-radius:4px;margin:0 4px;padding:8px 12px;font-weight:400;transition:background-color .2s,border-color .2s}.page-number:hover{background-color:var(--color-primary);color:#fff;border-color:var(--color-primary)}.page-number.active{background-color:var(--color-primary);color:#fff;border-color:var(--color-primary);font-weight:700}.footer{border-top:1px solid var(--color-border);padding:var(--spacing-lg)0;margin-top:var(--spacing-lg);background-color:#fff}.footer-content{text-align:left;justify-content:space-around;gap:var(--spacing-lg);max-width:var(--max-width);flex-wrap:wrap;margin:0 auto;display:flex}.footer-section{flex:1;min-width:180px}.footer-section h4{color:var(--color-text);margin-bottom:var(--spacing-sm);border-bottom:2px solid var(--color-primary);padding-bottom:2px;font-size:1rem}.copyright{text-align:center;color:#666;padding:var(--spacing-sm)0;border-top:1px solid var(--color-border);margin-top:var(--spacing-md);font-size:.8rem}