body {
            font-family: 'Segoe UI', Arial, sans-serif;
            line-height: 1.5;
            color: #222;
            background: #f9f9f9;
            margin: 0;
            padding: 20px;
        }
        .product-container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            overflow: hidden;
        }
        .product-header {
            background: #ffedd5;
            padding: 30px;
            text-align: center;
            border-bottom: 3px solid #f59e0b;
        }
        .product-header h1 {
            font-size: 32px;
            margin: 0 0 10px;
            color: #b45309;
        }
        .product-header p {
            font-size: 18px;
            color: #444;
        }
        .product-gallery {
            padding: 30px;
            background: #fff;
            text-align: center;
            border-bottom: 1px solid #eee;
        }
        .placeholder-img {
            background: #e2e8f0;
            border-radius: 16px;
            padding: 60px 20px;
            text-align: center;
            font-size: 14px;
            color: #64748b;
            border: 1px dashed #cbd5e1;
        }
        .features-section {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding: 30px;
            background: #fefce8;
        }
        .feature-card {
            flex: 1 1 250px;
            background: white;
            border-radius: 16px;
            padding: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .feature-card h3 {
            color: #d97706;
            margin-top: 0;
        }
        .specs-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
        }
        .specs-table th, .specs-table td {
            border: 1px solid #e2e8f0;
            padding: 12px 16px;
            vertical-align: top;
            text-align: left;
        }
        .specs-table th {
            background: #fef3c7;
            width: 35%;
        }
        .applications {
            background: #f1f5f9;
            padding: 30px;
            border-radius: 16px;
            margin: 30px;
        }
        .btn {
            display: inline-block;
            background: #f59e0b;
            color: white;
            padding: 12px 28px;
            border-radius: 40px;
            text-decoration: none;
            font-weight: bold;
            margin-top: 20px;
        }
        footer {
            background: #f1f5f9;
            text-align: center;
            padding: 20px;
            font-size: 13px;
            color: #475569;
            border-top: 1px solid #e2e8f0;
        }
        @media (max-width: 700px) {
            .product-header h1 { font-size: 24px; }
            .specs-table th, .specs-table td { display: block; width: 100%; }
        }