:root{--primary-color:#0073aa;--accent-color:#e67e22;--accent-hover:#d35400;--text-main:#333;--text-secondary:#666;--bg-light:#f8f9fa;--bg-white:#fff;--border-radius:8px;--shadow-sm:0 2px 5px rgba(0,0,0,0.05);--shadow-md:0 8px 20px rgba(0,0,0,0.1);--transition:all 0.3s ease}.oxygen-product-detail{max-width:1200px;margin:60px auto;padding:0 20px;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Microsoft YaHei",sans-serif;color:var(--text-main);line-height:1.6}.oxygen-breadcrumb{margin-bottom:30px;padding:10px 0;font-size:14px;color:var(--text-secondary);border-bottom:1px solid #eee}.oxygen-breadcrumb a{color:var(--text-secondary);text-decoration:none;transition:color 0.2s}.oxygen-breadcrumb a:hover{color:var(--primary-color)}.oxygen-breadcrumb .separator{margin:0 8px;color:#ccc}.oxygen-breadcrumb .current{color:var(--text-main);font-weight:500}.product-header{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start;margin-bottom:60px}.media-wrapper{display:flex;flex-direction:column;gap:15px;width:100%}.product-carousel{position:relative;width:100%;aspect-ratio:1 / 1;max-width:600px;border-radius:var(--border-radius);overflow:hidden;background:#f0f0f0;box-shadow:var(--shadow-md)}.carousel-slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity 0.5s ease-in-out;display:flex;align-items:center;justify-content:center}.carousel-slide img{width:100%;height:100%;object-fit:cover;display:block}.carousel-overlay{position:absolute;bottom:0;left:0;width:100%;padding:20px;box-sizing:border-box;background:linear-gradient(to top,rgba(0,0,0,0.85),rgba(0,0,0,0) 100%);color:#fff;text-align:left;pointer-events:none;display:flex;flex-direction:column;justify-content:flex-end}.overlay-brand{font-size:14px;letter-spacing:2px;color:rgba(255,255,255,0.8);margin-bottom:5px;text-transform:uppercase}.overlay-type{font-size:20px;font-weight:600;margin-bottom:4px;letter-spacing:1px}.overlay-model{font-size:36px;font-weight:800;line-height:1;text-shadow:0 2px 10px rgba(0,0,0,0.3)}.carousel-prev,.carousel-next{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;background:rgba(255,255,255,0.9);border:none;border-radius:50%;cursor:pointer;font-size:20px;color:var(--text-main);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);z-index:10;transition:var(--transition)}.carousel-prev{left:15px}.carousel-next{right:15px}.carousel-prev:hover,.carousel-next:hover{background:#fff;transform:translateY(-50%) scale(1.1)}.zoom-trigger{position:absolute;top:15px;right:15px;background:rgba(0,0,0,0.6);color:#fff;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:5;transition:var(--transition);backdrop-filter:blur(4px)}.zoom-trigger:hover{background:var(--accent-color);transform:scale(1.1)}.carousel-thumbnails{display:flex;justify-content:center;gap:10px;padding:0;position:relative;width:100%;background:transparent;border-radius:0;z-index:1}.thumb-item{width:70px;height:70px;border-radius:6px;cursor:pointer;opacity:0.7;border:2px solid transparent;transition:var(--transition);object-fit:cover;background:#f0f0f0}.thumb-item:hover{opacity:1}.thumb-item.active{opacity:1;border-color:var(--accent-color);transform:scale(1.05);box-shadow:0 4px 10px rgba(0,0,0,0.1)}.product-info{padding:10px 0}.product-title{font-size:32px;margin:0 0 15px 0;color:var(--text-main);font-weight:700;line-height:1.3}.social-proof-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;font-size:14px;color:var(--text-secondary);background:#fff9f0;padding:10px 15px;border-radius:6px;border:1px solid #ffe0b2}.social-proof-item{display:flex;align-items:center;gap:6px}.social-proof-item strong{color:#d35400;font-weight:700}.product-brief-desc{font-size:16px;color:var(--text-secondary);padding:20px;background:#fff;border-left:4px solid var(--primary-color);border-radius:0 var(--border-radius) var(--border-radius) 0;box-shadow:var(--shadow-sm);margin-bottom:25px}.promo-box{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:20px}.promo-item{background:#eaf2fa;border:1px solid #d6eaf8;color:#2980b9;padding:12px;border-radius:6px;font-size:14px;display:flex;align-items:center;font-weight:500}.promo-item::before{content:'🎁';margin-right:8px;font-size:16px}.delivery-alert{background:#fff3cd;color:#856404;padding:12px 15px;border-radius:6px;font-size:14px;margin-bottom:25px;border-left:4px solid #ffc107;display:flex;align-items:center}.delivery-alert::before{content:'⚠️';margin-right:10px;font-size:16px}.product-categories{display:flex;align-items:center;flex-wrap:wrap;margin-bottom:25px;font-size:14px}.product-categories span{color:var(--text-secondary);margin-right:10px;font-weight:500}.product-categories a{display:inline-block;color:#fff;background:var(--primary-color);padding:5px 12px;border-radius:20px;text-decoration:none;font-size:13px;margin-right:8px;margin-bottom:8px;transition:var(--transition)}.product-categories a:hover{background:#005177;transform:translateY(-2px)}.product-acf-field{margin:15px 0;padding:10px 0;border-bottom:1px solid #eee;font-size:16px}.product-acf-field span:first-child{font-weight:600;color:#444;min-width:120px;display:inline-block}.button-group{display:flex;gap:15px;margin-top:30px;flex-wrap:wrap}.add-to-cart-btn{display:inline-block;padding:16px 32px;background:var(--accent-color);color:#fff;text-decoration:none;border-radius:50px;font-weight:600;font-size:16px;transition:var(--transition);box-shadow:0 4px 15px rgba(230,126,34,0.4);border:none;cursor:pointer}.add-to-cart-btn:hover{background:var(--accent-hover);transform:translateY(-3px);box-shadow:0 8px 20px rgba(230,126,34,0.6)}.download-btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 32px;background:transparent;color:var(--accent-color);border:2px solid var(--accent-color);text-decoration:none;border-radius:50px;font-weight:600;font-size:16px;transition:var(--transition);cursor:pointer}.download-btn:hover{background:rgba(230,126,34,0.1);transform:translateY(-3px)}.product-content{background:var(--bg-white);padding:40px;border-radius:var(--border-radius);margin-bottom:60px;box-shadow:var(--shadow-sm);border:1px solid #eee}.product-content h2{font-size:24px;margin-bottom:20px;color:var(--text-main);border-bottom:2px solid var(--bg-light);padding-bottom:10px;display:inline-block}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:25px}.related-card{background:#fff;border:1px solid #eee;border-radius:var(--border-radius);padding:20px;text-align:center;transition:var(--transition);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center}.related-card:hover{border-color:var(--primary-color);box-shadow:var(--shadow-md);transform:translateY(-5px)}.related-card img{width:100%;height:auto;max-height:180px;object-fit:contain;border-radius:4px;margin-bottom:15px}.related-card h4{margin:0;font-size:15px;line-height:1.4}.related-card a{text-decoration:none;color:var(--text-main);font-weight:500;transition:color 0.2s}.related-card a:hover{color:var(--primary-color)}.custom-lightbox{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.9);z-index:9999;display:none;align-items:center;justify-content:center;opacity:0;transition:opacity 0.3s ease}.custom-lightbox.active{display:flex;opacity:1}.custom-lightbox img{max-width:90%;max-height:90%;border-radius:4px;box-shadow:0 0 20px rgba(0,0,0,0.5)}.lightbox-close{position:absolute;top:30px;right:30px;color:#fff;font-size:40px;cursor:pointer;line-height:1}@media (max-width:768px){.product-header{grid-template-columns:1fr;gap:30px}.product-title{font-size:24px}.promo-box{grid-template-columns:1fr}.button-group{flex-direction:column}.add-to-cart-btn,.download-btn{width:100%;box-sizing:border-box}.social-proof-bar{flex-direction:column;align-items:flex-start;gap:8px}.thumb-item{width:55px;height:55px}.product-content{padding:25px}.zoom-trigger{top:10px}}