.product-page-root{max-width:1360px;margin:180px auto 100px;padding:0 40px;font-family:Inter,sans-serif}.product-breadcrumb{color:#999;align-items:center;gap:10px;margin-bottom:40px;font-size:13px;display:flex}.product-breadcrumb a{color:#999;text-decoration:none;transition:color .3s}.product-breadcrumb a:hover{color:#000}.product-main-grid{grid-template-columns:1.1fr .9fr;align-items:start;gap:80px;display:grid}.product-gallery{position:sticky;top:140px}.main-image-wrap{aspect-ratio:1;background:#f9f9f9;border:1px solid #eee;border-radius:32px;overflow:hidden}.main-image{object-fit:cover;width:100%;height:100%;transition:transform .6s cubic-bezier(.165,.84,.44,1)}.main-image:hover{transform:scale(1.05)}.product-title{letter-spacing:-2px;margin-bottom:24px;font-size:48px;font-weight:900;line-height:1.1}.product-meta{margin-bottom:32px}.product-rating{align-items:center;gap:12px;margin-bottom:16px;display:flex}.stars{gap:4px;display:flex}.rating-text{color:#666;font-size:14px;font-weight:700}.product-price-wrap{align-items:baseline;gap:16px;display:flex}.current-price{color:#000;font-size:32px;font-weight:900}.old-price{color:#ccc;font-size:20px;text-decoration:line-through}.short-desc{color:#666;max-width:500px;margin-bottom:40px;font-size:16px;line-height:1.6}.thumbnail-list{scrollbar-width:none;gap:12px;margin-top:16px;padding-bottom:8px;display:flex;overflow-x:auto}.thumbnail-list::-webkit-scrollbar{display:none}.thumb-item{cursor:pointer;background:#f9f9f9;border:2px solid #0000;border-radius:12px;flex-shrink:0;width:80px;height:80px;transition:all .2s;overflow:hidden}.thumb-item img{object-fit:cover;width:100%;height:100%}.thumb-item.active{border-color:#000;transform:scale(1.05)}.purchase-controls{gap:16px;margin-bottom:48px;display:flex}.qty-picker{background:#f5f5f5;border-radius:100px;align-items:center;gap:20px;padding:8px 20px;font-weight:800;display:flex}.qty-picker button{cursor:pointer;color:#999;background:0 0;border:none;transition:color .3s}.qty-picker button:hover{color:#000}.add-to-cart-btn,.buy-now-btn{cursor:pointer;border:none;border-radius:100px;flex:1;justify-content:center;align-items:center;gap:12px;padding:16px;font-size:16px;font-weight:800;transition:all .3s;display:flex}.add-to-cart-btn{color:#000;background:#f5f5f5;border:1px solid #eee}.buy-now-btn{color:#fff;background:#000;box-shadow:0 15px 30px #0000001a}.add-to-cart-btn:hover{background:#eee}.buy-now-btn:hover{background:#222;transform:translateY(-3px);box-shadow:0 20px 40px #0003}.trust-badges{border-top:1px solid #eee;border-bottom:1px solid #eee;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:48px;padding:30px 0;display:grid}.trust-item{text-align:center;flex-direction:column;align-items:center;gap:8px;display:flex}.trust-item span{text-transform:uppercase;letter-spacing:1px;color:#999;font-size:11px;font-weight:800}.details-tabs{margin-top:40px}.tab-nav{border-bottom:1px solid #eee;gap:32px;margin-bottom:30px;display:flex}.tab-nav button{text-transform:uppercase;letter-spacing:1px;color:#999;cursor:pointer;background:0 0;border:none;padding:16px 0;font-size:14px;font-weight:800;transition:color .3s;position:relative}.tab-nav button.active{color:#000}.tab-nav button.active:after{content:"";background:#000;height:2px;position:absolute;bottom:-1px;left:0;right:0}.tab-content{min-height:200px}.long-desc{color:#444;font-size:16px;line-height:1.8}.spec-row{border-bottom:1px solid #f5f5f5;justify-content:space-between;padding:16px 0;display:flex}.spec-key{color:#999;text-transform:uppercase;font-size:11px;font-weight:800}.spec-val{color:#000;font-weight:700}.faq-item{margin-bottom:24px}.faq-q{margin-bottom:8px;font-size:16px;font-weight:800}.faq-a{color:#666;font-size:15px;line-height:1.6}.product-loading{justify-content:center;align-items:center;height:100vh;display:flex}.loading-spinner{border:3px solid #f3f3f3;border-top-color:#000;border-radius:50%;width:40px;height:40px;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width:1024px){.product-page-root{margin-top:120px;padding:0 30px}.product-main-grid{grid-template-columns:1fr;gap:40px}.product-gallery{position:relative;top:0}.product-title{font-size:36px}}@media (max-width:768px){.product-page-root{margin-top:80px;margin-bottom:60px;padding:0 20px}.product-breadcrumb{margin-bottom:20px;font-size:11px}.main-image-wrap{aspect-ratio:1;border-radius:20px}.product-title{letter-spacing:-1px;margin-top:10px;margin-bottom:12px;font-size:28px}.product-meta{margin-bottom:20px}.current-price{font-size:24px}.short-desc{margin-bottom:30px;font-size:14px}.purchase-controls{z-index:40;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffe6;border-top:1px solid #eee;flex-direction:column;gap:12px;margin:0 -20px 30px;padding:15px;position:sticky;bottom:20px}.add-to-cart-btn{width:100%;padding:16px;font-size:15px}.qty-picker{justify-content:center;width:100%}.trust-badges{grid-template-columns:1fr;gap:12px;margin-bottom:30px;padding:20px 0}.trust-item{flex-direction:row;justify-content:flex-start;gap:12px}.tab-nav{white-space:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:20px;overflow-x:auto}.tab-nav::-webkit-scrollbar{display:none}}