:root{--primary:#2563eb;--primary-dark:#1d4ed8;--secondary:#0f172a;--accent:#f59e0b;--text:#1e293b;--text-light:#52525b;--bg:#ffffff;--bg-light:#f8fafc;--bg-gray:#f1f5f9;--border:#e2e8f0;--success:#10b981;--shadow:0 1px 3px rgba(0,0,0,0.1);--shadow-lg:0 10px 40px rgba(0,0,0,0.1);--radius:8px;--max-width:1280px}*{margin:0;padding:0;box-sizing:border-box}html,body{overflow-x:hidden;max-width:100vw}html{scroll-behavior:smooth}body{font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;font-size:16px;line-height:1.7;color:var(--text);background:var(--bg)}a{color:var(--primary);text-decoration:none;transition:color .3s}a:hover{color:var(--primary-dark)}img{max-width:100%;height:auto}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--secondary)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}.header{background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000}.header-top{background:var(--secondary);color:#fff;font-size:14px;padding:8px 0}.header-top .container{display:flex;justify-content:space-between;align-items:center}.header-top a{color:#fff}.header-top a:hover{opacity:1}.header-main{padding:16px 0}.header-main .container{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:12px}.logo img{height:45px;width:45px;aspect-ratio:1}.logo-text{font-size:24px;font-weight:700;color:var(--secondary)}.nav{display:flex;gap:32px}.nav a{color:var(--text);font-weight:500;padding:8px 0;position:relative}.nav a:hover,.nav a.active{color:var(--primary)}.nav a.active::after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--primary)}.mobile-menu-btn{display:none;background:0 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img{border-radius:16px;box-shadow:var(--shadow-lg)}.section{padding:80px 0}.section-gray{background:var(--bg-light)}.home-answer-section{background:#fff;border-bottom:1px solid var(--border)}.answer-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);gap:32px;align-items:start}.answer-main{max-width:720px}.answer-eyebrow{display:inline-block;margin-bottom:10px;color:var(--primary);font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:0}.answer-main h2{margin-bottom:16px;font-size:1.75rem}.answer-main p{color:var(--text-light);font-size:1rem;line-height:1.8}.answer-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.answer-links a{padding:8px 12px;border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.92rem;text-decoration:none}.answer-links 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.footer-heading{color:#fff;margin-bottom:20px;font-size:16px;line-height:1.3}.footer ul{list-style:none}.footer ul li{margin-bottom:12px}.footer ul a{color:rgba(255,255,255,.85);font-size:14px}.footer ul a:hover{color:#fff}.footer-contact p{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:14px;color:rgba(255,255,255,.85)}.footer-bottom{padding:20px 0;text-align:center;font-size:14px;color:rgba(255,255,255,.6)}.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:30px}.blog-topic-paths{padding-bottom:40px;background:#fff;border-bottom:1px solid var(--border)}.topic-path-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.topic-path-card{min-height:132px;padding:18px;background:var(--bg-light);border:1px solid var(--border);border-radius:8px;color:var(--text);text-decoration:none;transition:all .2s}.topic-path-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}.topic-path-card strong{display:block;margin-bottom:8px;color:var(--text);font-size:1rem}.topic-path-card span{display:block;color:var(--text-light);font-size:.9rem;line-height:1.55}.blog-card{background:var(--bg);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s}.blog-card:hover{box-shadow:var(--shadow-lg)}.blog-card-image{display:block;aspect-ratio:1/1;background:var(--bg-light);overflow:hidden}.blog-card-image img{width:100%;height:100%;object-fit:cover}.blog-card-content{padding:24px}.blog-meta{font-size:13px;color:var(--text-light);margin-bottom:12px}.blog-card h3{margin-bottom:12px;font-size:1.25rem}.blog-card h3 a{color:var(--secondary)}.blog-card h3 a:hover{color:var(--primary)}.blog-card p{color:var(--text-light);font-size:15px}.breadcrumb{background:linear-gradient(135deg,#f8fafc 0,#f1f5f9 100%);padding:16px 0;font-size:14px;border-bottom:1px solid var(--border)}.breadcrumb 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ul{margin:0;padding-left:18px;color:var(--text);font-size:.92rem;line-height:1.65}.buyer-decision-notes li{margin-bottom:6px}.product-guide-links{margin:20px 0;padding:16px 18px;background:#fff;border:1px solid var(--border);border-radius:var(--radius)}.product-guide-links h3{margin:0 0 10px;font-size:1rem}.product-guide-links ul{margin:0;padding-left:18px;line-height:1.7}.product-guide-links a{color:var(--primary);font-weight:600}.factory-verification-card{margin-top:24px;padding:20px;background:#f8fafc;border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:var(--radius)}.factory-verification-card h2{margin:0 0 8px;font-size:1.2rem}.factory-verification-card p{margin:0 0 12px;color:var(--text-light);line-height:1.6}.factory-verification-card ul{margin:0;padding-left:18px;line-height:1.7}.product-specs{margin:30px 0;padding:24px;background:var(--bg-light);border-radius:var(--radius)}.product-specs 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#e5e7eb;font-size:.95rem;color:var(--text)}.specs-table tr:last-child td,.specs-table tr:last-child th{border-bottom:none}.specs-table tbody tr:nth-child(even) td{background:#f9fafb}.specs-table tbody tr:hover td{background:#f0f9ff}.product-cert-inline{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px;padding:10px 14px;background:#ecfdf5;border-left:3px solid #10b981;border-radius:6px;font-size:.92rem;color:#064e3b}.product-cert-inline strong{color:#047857}.product-description-block{margin-top:50px;padding-top:40px;border-top:1px solid var(--border)}.product-description-block h2{margin-bottom:24px;font-size:1.5rem}.product-description-block .product-content{line-height:1.9;color:var(--text)}.product-applications-block{margin-top:40px;padding:24px;background:var(--bg-light);border-radius:var(--radius)}.product-applications-block h3{margin-bottom:12px;font-size:1.2rem}.product-applications-block 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