.product-page{background:var(--bg-primary);min-height:100vh}.breadcrumb{background:var(--bg-secondary);border-bottom:1px solid var(--color-gray-200);padding:12px 0}.breadcrumb__list{list-style:none;display:flex;flex-wrap:wrap;gap:0;margin:0;padding:0;font-size:var(--font-size-sm);color:var(--text-secondary)}.breadcrumb__item{display:flex;align-items:center}.breadcrumb__item+.breadcrumb__item:before{content:"/";margin:0 8px;color:var(--color-gray-400)}.breadcrumb__item a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}.breadcrumb__item a:hover{color:var(--color-primary-dark);text-decoration:underline}.product-layout{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:start;padding:40px var(--container-padding);max-width:var(--container-max-width);margin:0 auto}.gallery-main{position:relative;aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-secondary);border:1px solid var(--color-gray-200)}.gallery-main__img{width:100%;height:100%;object-fit:cover;display:block;transition:transform var(--transition-slow)}.gallery-main:hover .gallery-main__img{transform:scale(1.02)}.gallery-nav{position:absolute;top:50%;transform:translateY(-50%);background:#ffffffe6;border:none;width:40px;height:40px;border-radius:50%;font-size:1.5rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:background var(--transition-fast),opacity var(--transition-fast);z-index:2;opacity:.8}.gallery-nav:hover{background:#fff;opacity:1}.gallery-nav--prev{left:12px}.gallery-nav--next{right:12px}.gallery-thumbs{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:12px}.gallery-thumbs .thumb{aspect-ratio:4/3;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;border:2px solid transparent;transition:border-color var(--transition-fast);padding:0;background:none}.gallery-thumbs .thumb.active,.gallery-thumbs .thumb:hover{border-color:var(--color-primary)}.gallery-thumbs .thumb img{width:100%;height:100%;object-fit:cover;display:block}.product-info{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}.product-info__cat{font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:1.5px;color:var(--color-primary);margin:0}.product-info__title{font-size:clamp(1.25rem,2.5vw,1.75rem);font-weight:var(--font-weight-bold);color:var(--text-dark);line-height:var(--line-height-tight);margin:0}.product-price{padding:16px 20px;background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--color-gray-200)}.product-price__value{font-size:1.875rem;font-weight:var(--font-weight-bold);color:var(--color-primary);line-height:1.2}.product-price--inquiry{font-size:1.125rem;color:var(--text-secondary)}.product-specs-sidebar{display:flex;flex-direction:column;gap:0;border:1px solid var(--color-gray-200);border-radius:var(--radius-lg);overflow:hidden}.spec-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--color-gray-200);font-size:var(--font-size-sm)}.spec-row:last-child{border-bottom:none}.spec-row:nth-child(odd){background:var(--bg-secondary)}.spec-label{color:var(--text-muted);flex-shrink:0;min-width:120px}.spec-value{color:var(--text-dark);font-weight:var(--font-weight-semibold);text-align:right}.product-cta{display:flex;flex-direction:column;gap:10px}.product-cta .btn{width:100%;justify-content:center;padding:14px 24px;font-size:var(--font-size-base);gap:8px}.product-specs-full{padding:40px var(--container-padding);max-width:var(--container-max-width);margin:0 auto;border-top:1px solid var(--color-gray-200)}.section-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--text-dark);margin:0 0 20px;padding-bottom:12px;border-bottom:2px solid var(--color-accent)}.specs-table{width:100%;border-collapse:collapse;font-size:var(--font-size-sm)}.specs-table tr{border-bottom:1px solid var(--color-gray-200)}.specs-table tr:last-child{border-bottom:none}.specs-table tr:nth-child(2n){background:var(--bg-secondary)}.specs-table td{padding:10px 12px;vertical-align:top}.spec-key{color:var(--text-muted);width:40%;padding-right:16px;font-size:var(--font-size-sm)}.spec-val{color:var(--text-dark);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm)}.product-description{padding:32px var(--container-padding);max-width:var(--container-max-width);margin:0 auto;border-top:1px solid var(--color-gray-200)}.product-description__content p{font-size:var(--font-size-base);line-height:var(--line-height-relaxed);color:var(--text-secondary);margin:0 0 10px}.product-description__content ul{list-style:none;padding:0;margin:0 0 16px;display:flex;flex-direction:column;gap:6px}.product-description__content li{display:flex;align-items:flex-start;gap:8px;font-size:var(--font-size-sm);color:var(--text-secondary);line-height:1.5}.product-description__content li:before{content:"✓";color:var(--color-primary);font-weight:var(--font-weight-bold);flex-shrink:0}.product-back{padding:24px var(--container-padding) 48px;max-width:var(--container-max-width);margin:0 auto}@media (max-width: 1100px){.product-layout{grid-template-columns:1fr;gap:32px}.product-info{position:static}.gallery-thumbs{grid-template-columns:repeat(8,1fr)}}@media (max-width: 640px){.product-layout{padding:24px var(--container-padding);gap:24px}.gallery-thumbs{grid-template-columns:repeat(5,1fr)}.gallery-nav{width:32px;height:32px;font-size:1.2rem}.product-specs-sidebar{font-size:var(--font-size-xs)}.spec-label{min-width:90px}}