* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            padding: 20px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
        }
        .header {
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 2px solid #0066cc;
        }
        .header h1 {
            color: #004080;
            font-size: 28px;
            margin-bottom: 10px;
        }
        .header p {
            font-size: 16px;
            color: #666;
        }
        .warning {
            background-color: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 15px;
            margin: 20px 0;
            border-radius: 6px;
        }
        .section {
            margin: 30px 0;
        }
        .section h2 {
            color: #0066cc;
            font-size: 22px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feature-box {
            background: #e8f4ff;
            padding: 20px;
            border-radius: 8px;
            margin: 15px 0;
        }
        .highlight {
            color: #cc0000;
            font-weight: bold;
        }
        /* Table Style */
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            overflow-x: auto;
            display: block;
        }
        .comparison-table th, .comparison-table td {
            border: 1px solid #ddd;
            padding: 12px;
            text-align: left;
            vertical-align: top;
        }
        .comparison-table th {
            background-color: #0066cc;
            color: white;
        }
        .comparison-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .contact {
            background-color: #0066cc;
            color: white;
            text-align: center;
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
        }
        .contact a {
            color: #ffd700;
            font-weight: bold;
            text-decoration: none;
            font-size: 18px;
        }
        .contact a:hover {
            text-decoration: underline;
        }
        ul {
            padding-left: 25px;
            margin: 10px 0;
        }
        .key-parameter {
            font-weight: bold;
            color: #004080;
        }