* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: #f5f5f5;
            padding: 15px;
            line-height: 1.4;
        }

        .filterclass-table-wrapper {
            background: white;
            box-shadow: 0 1px 3px rgba(0,0,0,0.12);
            overflow: hidden;
            max-width: 100%;
            border: 1px solid #e8e8e8;
        }

        .caption4 {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        /* Desktop styles */
        @media (min-width: 1024px) {
            .caption4 {
                font-size: 13px;
            }

            thead th {
                background: #2596be;
                color: white;
                padding: 14px 10px;
                text-align: left;
                font-weight: 600;
                font-size: 12px;
                vertical-align: top;
                border-right: 1px solid rgba(255,255,255,0.15);
                line-height: 1.3;
            }

            thead th:last-child {
                border-right: none;
            }

            tbody td {
                padding: 12px 10px;
                border-bottom: 1px solid #e8e8e8;
                vertical-align: top;
                font-size: 12px;
                line-height: 1.5;
            }

            tbody tr:hover {
                background: #f9fcfd;
            }

            tbody tr:last-child td {
                border-bottom: none;
            }

            tbody td:first-child {
                font-weight: 700;
                color: #2596be;
                background: #f0f8fb;
            }

            .x-cell {
                text-align: center;
                color: #999;
            }

            .x-cell::before {
                content: '—';
            }
        }

        /* Tablet styles */
        @media (min-width: 768px) and (max-width: 1023px) {
            .caption4 {
                font-size: 12px;
            }

            thead th {
                background: #2596be;
                color: white;
                padding: 12px 8px;
                text-align: left;
                font-weight: 600;
                font-size: 11px;
                vertical-align: top;
                border-right: 1px solid rgba(255,255,255,0.15);
                line-height: 1.3;
            }

            tbody td {
                padding: 10px 8px;
                border-bottom: 1px solid #e8e8e8;
                font-size: 11px;
                line-height: 1.5;
            }

            tbody td:first-child {
                font-weight: 700;
                color: #2596be;
                background: #f0f8fb;
            }

            .x-cell::before {
                content: '—';
            }
        }

        /* Mobile styles - Card layout */
        @media (max-width: 767px) {
            body {
                padding: 10px;
            }

            .caption4 thead {
                display: none;
            }

            .caption4,
            .caption4 tbody,
            .caption4 tr,
            .caption4 td {
                display: block;
                width: 100%;
            }

            .caption4 tr {
                margin-bottom: 16px;
                border: 1px solid #d0d0d0;
                overflow: hidden;
                background: white;
            }

            .caption4 td {
                padding: 14px 16px;
                border-bottom: 1px solid #e8e8e8;
                position: relative;
                padding-left: 46%;
                text-align: left;
                font-size: 13px;
                line-height: 1.5;
            }

            .caption4 td:last-child {
                border-bottom: none;
            }

            .caption4 td:before {
                content: attr(data-label);
                position: absolute;
                left: 16px;
                top: 14px;
                font-weight: 600;
                color: #333;
                width: 42%;
                font-size: 12px;
                line-height: 1.4;
            }

            /* First cell styling */
            .caption4 td:first-child {
                background: #2596be;
                color: white;
                font-weight: 700;
                font-size: 17px;
                padding: 16px;
                text-align: center;
                padding-left: 16px;
                letter-spacing: 0.5px;
            }

            .caption4 td:first-child:before {
                display: none;
            }

            .x-cell {
                color: #999;
            }

            .x-cell:before {
                content: attr(data-label);
                position: absolute;
                left: 15px;
                top: 12px;
                font-weight: 600;
                color: #2c3e50;
            }

            .x-cell:after {
                content: ' —';
            }
        }

        /* Very small mobile devices */
        @media (max-width: 400px) {
            .caption4 td {
                font-size: 12px;
                padding: 10px 12px;
                padding-left: 42%;
            }

            .caption4 td:before {
                font-size: 11px;
                left: 12px;
                top: 10px;
                width: 38%;
            }

            .caption4 td:first-child {
                font-size: 15px;
                padding: 12px;
            }
        }