* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Arial, Helvetica, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            padding: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .product-header {
            background: linear-gradient(135deg, #ffc107, #ff9800);
            color: #222;
            padding: 25px 30px;
            border-radius: 10px;
            margin-bottom: 35px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .product-header h1 {
            font-size: 28px;
            margin-bottom: 10px;
        }
        .intro-paragraph {
            font-size: 16px;
            margin-bottom: 40px;
            padding: 0 10px;
        }
        h2 {
            color: #d32f2f;
            border-left: 5px solid #d32f2f;
            padding-left: 12px;
            margin: 45px 0 20px;
            font-size: 22px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #ffffff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }
        table th {
            background-color: #212121;
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        table td {
            padding: 12px 16px;
            border-bottom: 1px solid #eee;
        }
        table tr:nth-child(even) {
            background-color: #fefefe;
        }
        .advantage-list, .market-list {
            background: #ffffff;
            padding: 22px 28px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }
        ul {
            padding-left: 22px;
        }
        li {
            margin: 10px 0;
            font-size: 15px;
        }
        .service-block {
            background-color: #e8f5e9;
            padding: 22px 28px;
            border-radius: 8px;
        }