        .product-header{background:linear-gradient(135deg,#11998e 0%,#38ef7d 100%);color:white;padding:40px;border-radius:12px;margin-bottom:2rem}
        .product-header h1{color:white;margin:0 0 10px 0;font-size:2em}.product-header .brand{font-size:1.1em;opacity:.9;margin-bottom:5px}
        .breadcrumb{margin-bottom:1.5rem;font-size:.9em;color:#888}.breadcrumb a{color:#2c7aa8;text-decoration:none}
        .product-gallery{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:2rem}
        .gallery-main{grid-column:1/-1;background:white;border-radius:10px;padding:30px;text-align:center;box-shadow:0 2px 15px rgba(0,0,0,.08)}
        .gallery-main img{max-width:100%;max-height:400px;border-radius:8px}
        .key-specs,.section-box{background:white;border-radius:10px;padding:30px;margin-bottom:2rem;box-shadow:0 2px 15px rgba(0,0,0,.08)}
        .key-specs h3,.section-box h3{margin-top:0;color:#333;border-bottom:2px solid #f0f0f0;padding-bottom:10px}
        .specs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:20px}
        .spec-box{text-align:center;padding:20px;background:#f8f9fa;border-radius:8px}
        .spec-box .value{font-size:1.8em;font-weight:700;color:#11998e;line-height:1}.spec-box .unit{font-size:.9em;color:#888}
        .spec-box .label{font-size:.85em;color:#666;margin-top:8px}
        .spec-table{width:100%;border-collapse:collapse;margin-top:15px}
        .spec-table td{padding:12px 15px;border-bottom:1px solid #f0f0f0}
        .spec-table tr:nth-child(even){background:#fafafa}.spec-table td:first-child{color:#666;width:40%}
        .spec-table td:last-child{font-weight:500;color:#333}
        .electrical-table{width:100%;border-collapse:collapse;margin-top:15px;font-size:.9em}
        .electrical-table th{background:#11998e;color:white;padding:12px;text-align:center;font-weight:600}
        .electrical-table td{padding:10px 12px;text-align:center;border-bottom:1px solid #f0f0f0}
        .electrical-table .highlight{background:#f0fff4;font-weight:600}
        .features-list{list-style:none;padding:0;margin:15px 0 0 0}
        .features-list li{padding:10px 0 10px 30px;position:relative;border-bottom:1px solid #f5f5f5}
        .features-list li:before{content:"✓";position:absolute;left:0;color:#43e97b;font-weight:bold;font-size:1.2em}
        .cert-badges{display:flex;gap:15px;flex-wrap:wrap;margin-top:15px}
        .cert-badge{background:#f0f7fa;color:#2c7aa8;padding:8px 16px;border-radius:20px;font-size:.85em;font-weight:500}
        .action-buttons{display:flex;gap:15px;margin-top:2rem;justify-content:center}
        .tier1-badge{background:linear-gradient(135deg,#11998e,#38ef7d);color:white;padding:10px 20px;border-radius:8px;font-weight:600;display:inline-block;margin-bottom:15px}
        @media screen and (max-width:736px){.product-gallery{grid-template-columns:1fr}.specs-grid{grid-template-columns:repeat(2,1fr)}}