:root{--light-blue:#f0f7ff;--primary-blue:#2563eb;--secondary-blue:#3b82f6;--dark-blue:#1e40af;--light-gray:#e5e7eb;--text-color:#374151;--white:#ffffff;--border-radius:8px;--box-shadow:0 4px 6px -1px rgba(0, 0, 0, 0.1),0 2px 4px -1px rgba(0, 0, 0, 0.06);--gradient-blue:linear-gradient(90deg, #2563eb 0%, #3b82f6 100%)}.breadcrumb{padding:20px 0;background-color:var(--light-blue)}.breadcrumb-links{display:flex;flex-wrap:wrap;list-style:none}.breadcrumb-links li{margin-right:10px;font-size:clamp(.8rem, 2vw, 1rem)}.breadcrumb-links li:not(:last-child):after{content:'>';margin-left:10px;color:var(--primary-blue)}.breadcrumb-links a{text-decoration:none;color:var(--text-color);transition:color .3s}.breadcrumb-links a:hover{color:var(--primary-blue)}.breadcrumb-links .current{color:var(--primary-blue);font-weight:600}.product-detail{padding:60px 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h3{font-size:1.3rem;color:var(--text-color);margin:0}.video-description{color:#666;line-height:1.6;margin-bottom:20px;font-size:.95rem}.video-wrapper{position:relative;margin-bottom:20px}.video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:8px;background:#000}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.video-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.keyword-tag{background-color:#e8f1ff;color:var(--primary-blue);padding:6px 12px;border-radius:20px;font-size:.85rem;font-weight:500}.faq-grid{max-width:900px;margin:0 auto}.faq-item{background-color:var(--white);border-radius:var(--border-radius);margin-bottom:15px;box-shadow:var(--box-shadow);overflow:hidden;border:1px solid #e0e7ff}.faq-question{padding:20px 25px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:background-color .3s}.faq-question:hover{background-color:#f8faff}.faq-question 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56px}.custom-project-brief>.container>.section-title{margin-bottom:30px}.b2b-price-range,.procurement-answer{padding:22px 20px}.technical-specification{margin-right:-4px;margin-left:-4px;padding:22px 14px;border-radius:12px}.brief-content-section{margin-top:40px}.comparison-section,.narrative-section{gap:15px;padding:24px 0}.decision-card{padding:21px 20px}.b2b-boundary{padding:54px 18px 20px}.b2b-boundary::before{top:18px}.buyer-faq-item summary{padding:16px 48px 16px 17px}.buyer-faq-item p{padding:0 17px 18px}.custom-project-brief .brief-primary-cta{width:100%;min-width:0;max-width:none}}