.product-page{max-width:1400px;margin:0 auto;padding:0 80px;background:#fff}.breadcrumbs{padding:20px 0;margin-bottom:20px;border-bottom:1px solid #e0e0e0}.breadcrumbs ul{list-style:none;padding:0;margin:0;display:flex;align-items:center;flex-wrap:wrap}.breadcrumbs li{display:flex;align-items:center;font-size:14px;color:#333}.breadcrumbs li:not(:last-child):after{content:'/';margin:0 12px;color:#999}.breadcrumbs a{color:#333;text-decoration:none;transition:color .2s ease}.breadcrumbs a:hover{color:#000}.breadcrumbs li:last-child{color:#000;font-weight:600}.product-hero{display:grid;grid-template-columns:52% 45%;gap:3%;padding:20px 0;align-items:start}.product-hero-images{position:relative}.product-main-image{aspect-ratio:4/3;background:#fff;overflow:hidden;border:1px solid #e0e0e0;position:relative;transition:all .3s ease}.product-main-image:hover{border-color:#ccc}.product-main-image img{width:100%;height:100%;object-fit:contain;padding:50px;transition:transform .4s ease}.product-main-image:hover img{transform:scale(1.02)}.product-thumbnails{display:flex;gap:16px;margin-top:24px;justify-content:center;padding:16px;background:#fff;border:1px solid #e0e0e0}.product-thumbnail{width:80px;height:80px;background:#f5f5f5;cursor:pointer;overflow:hidden;border:3px solid transparent;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative}.product-thumbnail:hover{border-color:#333;transform:translateY(-2px)}.product-thumbnail.active{border-color:#333;background:#fff}.product-thumbnail img{width:100%;height:100%;object-fit:contain;padding:10px}.product-info{padding-top:30px;max-width:100%}.product-category{font-size:12px;text-transform:uppercase;letter-spacing:4px;color:#000;font-weight:600;margin-bottom:20px;display:inline-block;padding:8px 16px;background:#f5f5f5}.product-title{font-size:42px;font-weight:700;color:#000;margin-bottom:24px;line-height:1.2;letter-spacing:-.5px}.product-model{font-size:18px;font-weight:500;color:#666;margin-bottom:36px;padding-bottom:36px;border-bottom:1px solid #e0e0e0}.product-short-description{font-size:16px;line-height:1.9;color:#333;margin-bottom:0;font-weight:400;text-align:justify;hyphens:auto}.product-description{margin-top:60px;padding:50px;background:#fafafa;border:1px solid #e0e0e0}.product-description h2{font-size:24px;font-weight:600;color:#000;margin-bottom:24px}.product-description p{font-size:16px;line-height:1.9;color:#333;margin-bottom:16px}.product-long-description h2{font-size:24px;font-weight:600;color:#000;margin-bottom:24px;border-bottom:2px solid #000}.product-long-description p{font-size:16px;line-height:1.9;color:#333;margin-bottom:16px}.product-specs{margin-top:60px}.product-specs h2{font-size:24px;font-weight:600;color:#000;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid #000}.product-specs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-spec-item{display:flex;flex-direction:column;padding-bottom:16px;border-bottom:1px solid #e0e0e0}.spec-label{font-weight:600;color:#333;font-size:14px;margin-bottom:8px}.spec-value{color:#666;font-size:14px;line-height:1.6}.product-downloads{margin-top:60px}.product-downloads h2{font-size:24px;font-weight:600;color:#000;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid #000}.product-downloads-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.product-download-item{display:flex;align-items:center;padding:24px;background:#fff;border:1px solid #e0e0e0;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;overflow:hidden}.product-download-item:before{content:'';position:absolute;left:0;top:0;width:4px;height:100%;background:#000;transform:scaleY(0);transition:transform .3s ease}.product-download-item:hover{border-color:#000;transform:translateY(-2px)}.product-download-item:hover:before{transform:scaleY(1)}.download-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:#000;color:#fff;font-size:26px;margin-right:20px;flex-shrink:0;transition:transform .3s ease}.product-download-item:hover .download-icon{transform:scale(1.1)}.download-info{flex:1;min-width:0}.download-label{font-weight:600;color:#000;margin-bottom:6px;font-size:15px}.download-hint{font-size:14px;color:#666}.product-related{margin-top:60px;padding-bottom:80px}.product-related h2{font-size:24px;font-weight:600;color:#000;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid #000}.product-related-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}.product-related-item{background:#fff;overflow:hidden;border:1px solid #e0e0e0;transition:all .3s cubic-bezier(.4,0,.2,1)}.product-related-item:hover{border-color:#000;transform:translateY(-2px)}.product-related-image{aspect-ratio:4/3;background:#f5f5f5;overflow:hidden}.product-related-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.product-related-item:hover .product-related-image img{transform:scale(1.05)}.product-related-info{padding:20px}.product-related-title{font-weight:600;color:#000;margin-bottom:8px;font-size:15px}.product-related-category{font-size:13px;color:#666}@media (max-width:1024px){.product-hero{grid-template-columns:1fr;gap:50px;padding:50px 0}.product-title{font-size:34px}.product-main-image img{padding:30px}.product-info{padding-left:0}}@media (max-width:640px){.product-page{padding:0 20px}.product-hero{padding:30px 0;gap:30px}.product-title{font-size:28px}.product-model{font-size:15px;padding-bottom:20px;margin-bottom:20px}.product-description{padding:24px}.product-main-image img{padding:15px}.product-thumbnail{width:65px;height:65px}.product-specs-table{display:block;overflow-x:auto}.product-specs-table th{width:140px;white-space:nowrap}}