.rectifier-table {
            width: 1100px;
            border-collapse: collapse;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 2px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            border-radius: 4px;
            overflow: hidden;
        }
        
        .rectifier-table th {
            background: #2c3e50;
            color: #fff;
            font-weight: 600;
            text-align: center;
            padding: 14px 12px;
            position: sticky;
            top: 0;
            border: 1px solid #34495e;
        }
        
        .rectifier-table th.sub-header {
            background: #34495e;
            font-weight: 500;
            padding: 10px 12px;
        }
        
        .rectifier-table td {
            padding: 12px 0px;
            text-align: center;
            border: 1px solid #e0e0e0;
        }
        
        .rectifier-table tr:nth-child(even) {
            background-color: #fff;
        }
        
        .rectifier-table tr:hover {
            background-color: #e1e5e8;
            transition: background-color 0.2s;
        }
        
        .rectifier-table .model-cell {
            font-weight: 600;
            color: #1a237e;
            background-color: #e1e5e8;
        }
        
        .rectifier-table .series-divider {
            background-color: #2c3e50;
            color: white;
            font-weight: bold;
            font-size: 1.05em;
        }
        
        .rectifier-table .unit-label {
            font-size: 0.85em;
            color: #666;
            font-weight: 400;
            display: block;
            margin-top: 3px;
        }
        
        .parameters-summary {
            background: #f8f9fa;
            border-left: 4px solid #3498db;
            padding: 15px;
            margin-top: 25px;
            border-radius: 4px;
            font-size: 0.9em;
        }
        
        .parameters-summary h3 {
            margin-top: 0;
            color: #2c3e50;
            border-bottom: 1px solid #e0e0e0;
            padding-bottom: 8px;
        }
        
        .parameters-summary p {
            margin: 8px 0;
            line-height: 1.5;
        }
        
        .table-container {
            max-width: 1200px;
            margin: 5px auto;
            padding: 5px;
        }
        
        @media (max-width: 768px) {
            .table-container {
                overflow-x: auto;
            }
            
            .rectifier-table {
                min-width: 900px;
            }
        }