:root{--text:#1a1a2e;--text-secondary:#4a4a68;--text-muted:#4b5563;--border:#e4e4ed;--border-light:#f4f4f8;--bg:#f8f8fc;--surface:#ffffff;--primary:#5b4cdb;--primary-light:#ededfc;--primary-dark:#4a3cb8;--success:#22c55e;--success-light:#f0fdf4;--warning:#f59e0b;--warning-light:#fffbeb;--danger:#ef4444;--danger-light:#fef2f2;--footer-height:520px;--footer-height-mobile:800px;--gallery-thumb-size:72px;--price-current-font:36px;--price-original-font:18px;--warranty-icon-size:48px;--warranty-icon-svg:26px;--warranty-years-font:22px;--warranty-label-font:13px;--surface-dark:#1f2937;--bg-dark:#111827;--border-dark:#374151;--text-dark:#f9fafb;--text-secondary-dark:#d1d5db;--text-muted-dark:#9ca3af}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}.hidden{visibility:hidden !important;opacity:0 !important;pointer-events:none !important}.price-hero-original.hidden,.price-hero-savings.hidden{visibility:hidden !important;opacity:0 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8px;font-weight:600;font-size:14px;text-decoration:none;z-index:10000;transition:transform 200ms ease;visibility:hidden}.skip-link:focus{transform:translate(-50%,0);outline:2px solid white;outline-offset:2px;visibility:visible}.loading-overlay{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;z-index:9999;transition:opacity 0.3s ease,visibility 0.3s ease}.loading-overlay.hidden{opacity:0;pointer-events:none;visibility:hidden}.loading-spinner{width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 0.8s linear infinite}.loading-text{color:var(--text-muted);font-size:14px;min-height:21px}@keyframes spin{to{transform:rotate(360deg)}}.main-content{flex:1}.container{max-width:1200px;margin:0 auto;padding:0 24px 80px;display:grid;grid-template-columns:1fr 420px;gap:56px;align-items:start}.footer-wrapper{min-height:var(--footer-height);contain:layout paint style;contain-intrinsic-block-size:var(--footer-height)}#siteFooter{min-height:var(--footer-height);contain:layout paint style;contain-intrinsic-block-size:var(--footer-height)}.footer-container{max-width:1400px;margin:0 auto;padding:80px 24px 32px;contain:layout style;min-height:460px}@media (max-width:768px){.footer-wrapper{min-height:var(--footer-height-mobile);contain-intrinsic-block-size:var(--footer-height-mobile)}#siteFooter{min-height:var(--footer-height-mobile);contain-intrinsic-block-size:var(--footer-height-mobile)}.footer-container{padding:60px 20px 24px;min-height:740px}}.breadcrumb{max-width:1200px;margin:0 auto;padding:20px 24px;font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow:hidden;height:53px;min-height:53px;contain:layout style}.breadcrumb a{color:var(--text-secondary);text-decoration:none;transition:color 0.2s ease}.breadcrumb a:hover{color:var(--primary)}.breadcrumb svg{width:14px;height:14px;opacity:0.4;flex-shrink:0}.breadcrumb-current{color:var(--text);font-weight:500;max-width:200px;min-width:50px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;opacity:0;transition:opacity 0.15s ease}.breadcrumb-current.visible{opacity:1}.gallery{position:sticky;top:140px;max-width:100%;overflow:hidden}.gallery-main{width:100%;max-width:600px;aspect-ratio:1 / 1;background:var(--surface);border-radius:16px;overflow:hidden;border:1px solid var(--border);position:relative;contain:layout style}.gallery-main-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:20px;cursor:zoom-in;opacity:1;transition:opacity 0.15s ease-out}.gallery-main-img.loading{opacity:0}.gallery-skeleton{position:absolute;inset:20px;background:linear-gradient(90deg,#f0f0f5 25%,#fafafa 50%,#f0f0f5 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:8px;z-index:1;opacity:1;transition:opacity 0.15s ease-out}.gallery-skeleton.hidden{opacity:0;pointer-events:none}@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}.gallery-thumbs{display:flex;gap:8px;margin-top:12px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;min-height:76px}.gallery-thumbs::-webkit-scrollbar{display:none}.gallery-thumb{width:var(--gallery-thumb-size);height:var(--gallery-thumb-size);min-width:var(--gallery-thumb-size);border-radius:8px;overflow:hidden;cursor:pointer;border:2px solid transparent;background:var(--surface);flex-shrink:0}.gallery-thumb.active{border-color:var(--primary)}.gallery-thumb img{width:100%;height:100%;object-fit:cover}.product-info{display:flex;flex-direction:column;gap:20px;contain:layout style}.product-header{display:flex;flex-direction:column;gap:12px;min-height:70px}.product-title{font-size:26px;font-weight:700;line-height:1.3;color:var(--text);min-height:34px}.product-badges{display:flex;gap:8px;flex-wrap:wrap;min-height:30px}.badge{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:6px;font-size:12px;font-weight:600}.badge svg{width:14px;height:14px}.badge-brand{background:var(--primary-light);color:var(--primary)}.badge-condition{background:var(--success-light);color:var(--success)}.badge-return{background:var(--warning-light);color:#b45309}.price-hero{display:flex;align-items:stretch;justify-content:space-between;gap:20px;padding:0;background:var(--surface);border:2px solid var(--primary);border-radius:16px;margin-bottom:4px;overflow:hidden;box-shadow:0 4px 20px rgba(91,76,219,0.15);min-height:100px;contain:layout style}.price-hero-left{display:flex;flex-direction:column;gap:8px;padding:20px 24px;flex:1}.price-hero-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-muted)}.price-hero-main{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.price-hero-current{font-size:36px;font-weight:800;color:var(--text);line-height:1;letter-spacing:-0.5px}.price-hero-original{font-size:18px;color:var(--text-muted);text-decoration:line-through;text-decoration-color:var(--danger);text-decoration-thickness:2px;visibility:hidden;opacity:0;transition:opacity 0.2s ease,visibility 0.2s ease}.price-hero-original.visible{visibility:visible;opacity:1}.price-hero-savings{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:linear-gradient(135deg,var(--success) 0%,#16a34a 100%);color:white;border-radius:20px;font-size:13px;font-weight:600;box-shadow:0 2px 8px rgba(34,197,94,0.3);visibility:hidden;opacity:0;transition:opacity 0.2s ease,visibility 0.2s ease;min-height:31px}.price-hero-savings[style*="flex"],.price-hero-savings.visible{visibility:visible;opacity:1}.price-hero-savings svg{width:16px;height:16px}.price-hero-right{display:flex;align-items:center;background:linear-gradient(135deg,var(--primary) 0%,#7c6fe3 100%);padding:0 28px;min-width:140px;contain:layout style}.price-hero-warranty{display:flex;align-items:center;gap:12px;color:white}.warranty-icon{width:48px;height:48px;background:rgba(255,255,255,0.2);border-radius:50%;display:flex;align-items:center;justify-content:center}.warranty-icon svg{width:26px;height:26px}.warranty-text{display:flex;flex-direction:column;line-height:1.2}.warranty-years{font-size:22px;font-weight:800;letter-spacing:-0.5px}.warranty-label{font-size:13px;font-weight:500;opacity:0.9}.condition-card{background:var(--success-light);border:1px solid #bbf7d0;border-radius:12px;padding:16px 20px;min-height:145px;contain:layout style}.price-compare{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px}.price-compare-title{font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}.buy-section{display:flex;flex-direction:column;gap:12px;min-height:320px;contain:layout style}.buy-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:18px 24px;background:linear-gradient(135deg,var(--primary) 0%,#7c6fe3 100%);color:white;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;box-shadow:0 4px 16px rgba(91,76,219,0.3);transition:transform 0.2s,box-shadow 0.2s}.buy-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 24px rgba(91,76,219,0.4)}.buy-btn:disabled{background:#9ca3af;cursor:not-allowed;box-shadow:none}.buy-btn svg{width:20px;height:20px}.stock-indicator{display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:10px;font-size:13px;font-weight:500}.stock-indicator svg{width:18px;height:18px;flex-shrink:0}.stock-indicator.in-stock{background:var(--success-light);color:#059669}.stock-indicator.low-stock{background:#fef3c7;color:#b45309}.stock-indicator.out-of-stock{background:var(--danger-light);color:#dc2626}.section{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px}.section-title{font-size:14px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}.section-title svg{width:18px;height:18px;color:var(--primary)}.lightbox{position:fixed;inset:0;z-index:2000;opacity:0;visibility:hidden;pointer-events:none}.lightbox.active{opacity:1;visibility:visible;pointer-events:auto}.error-container{display:none;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;padding:24px;text-align:center}.error-title{font-size:24px;font-weight:700;margin-bottom:8px}.error-text{color:var(--text-secondary);margin-bottom:24px}@media (max-width:1024px){.container{grid-template-columns:1fr;gap:32px}.gallery{position:relative;top:0}}@media (max-width:768px){.container{padding:0 16px 24px;gap:24px}.product-title{font-size:20px}.buy-section{display:none}.breadcrumb{padding:12px 16px;font-size:12px;height:41px;min-height:41px}.gallery-main{border-radius:12px}.gallery-thumbs{min-height:60px}.price-hero{flex-direction:column;align-items:stretch;gap:0;min-height:140px}.price-hero-left{padding:16px}.price-hero-right{padding:14px 16px;justify-content:center}body{padding-bottom:calc(80px+env(safe-area-inset-bottom,0))}.footer-wrapper{min-height:var(--footer-height-mobile)}}@media (max-width:480px){:root{--gallery-thumb-size:52px;--price-current-font:26px;--price-original-font:15px;--warranty-icon-size:36px;--warranty-icon-svg:20px;--warranty-years-font:16px;--warranty-label-font:11px}.gallery-thumbs{min-height:56px}.product-title{font-size:18px}.price-hero-left{padding:14px}.price-hero-right{padding:12px 14px}}@media (max-width:380px){:root{--gallery-thumb-size:48px;--price-current-font:24px;--price-original-font:14px;--warranty-icon-size:32px;--warranty-icon-svg:18px;--warranty-years-font:15px;--warranty-label-font:10px}.gallery-thumbs{min-height:52px}.product-title{font-size:17px}}@media (prefers-color-scheme:dark){body{background:var(--bg-dark);color:var(--text-dark)}.gallery-main{background:var(--surface-dark);border-color:var(--border-dark)}.gallery-skeleton{background:linear-gradient(90deg,#374151 25%,#4b5563 50%,#374151 75%);background-size:200% 100%}.gallery-thumb{background:var(--surface-dark)}.product-title{color:var(--text-dark)}.price-hero{background:var(--surface-dark);box-shadow:0 4px 20px rgba(0,0,0,0.3)}.price-hero-label{color:var(--text-muted-dark)}.price-hero-current{color:var(--text-dark)}.price-hero-original{color:var(--text-muted-dark)}.breadcrumb{color:var(--text-muted-dark)}.breadcrumb a{color:var(--text-secondary-dark)}.breadcrumb-current{color:var(--text-dark)}.loading-overlay{background:var(--bg-dark)}.loading-spinner{border-color:var(--border-dark);border-top-color:var(--primary)}.loading-text{color:var(--text-muted-dark)}.error-container{color:var(--text-dark)}.error-text{color:var(--text-secondary-dark)}}