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

        body {
            font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: #1e2b3a;
            background: #ffffff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .product-container {
            max-width: 1440px;
            margin: 0 auto;
            padding: 30px 20px 50px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: #222222;
            margin: 0 0 20px 0;
            line-height: 1.3;
        }

        .text-block {
            font-size: 16px;
            line-height: 1.8;
            color: #333333;
            margin-bottom: 16px;
        }
        .text-block:last-child {
            margin-bottom: 0;
        }

        .module {
            margin-bottom: 64px;
        }
        .module:last-child {
            margin-bottom: 0;
        }

        .mb-16 { margin-bottom: 16px; }
        .mb-8  { margin-bottom: 8px; }
        .mt-12 { margin-top: 12px; }

        .why-wrapper {
            display: flex;
            gap: 48px;
            align-items: center;
        }
        .why-text {
            flex: 1 1 50%;
            min-width: 0;
        }
        .why-image {
            flex: 0 0 auto;
            max-width: 50%;
            display: flex;
            align-items: flex-start;
            justify-content: center;
            background: #f5f9fc;
            border: 1px solid #e6eef5;
            border-radius: 10px;
            padding: 16px;
        }
        .why-image img {
            width: auto;
            max-width: 100%;
            max-height: 560px;
            height: auto;
            display: block;
            border-radius: 8px;
            box-shadow: 0 10px 28px rgba(26, 58, 92, 0.14);
        }
        .module:first-of-type .section-title {
            margin-bottom: 14px;
        }

        /* ===== FIX v2: border moved from container to table + font-size:0 kills whitespace gap ===== */
        .table-wrap {
            /* border removed from here — moved to .data-table */
            border-radius: 10px;
            overflow: hidden;
            background: #ffffff;
            font-size: 0;       /* kill whitespace text-node height between </table></div> and </div> */
            line-height: 0;     /* same — eliminate any residual line-box */
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            border: 1px solid #e8edf2;   /* border now lives on the table itself — no gap possible */
            font-size: 15px;              /* restore from parent's font-size: 0 */
            line-height: 1.7;             /* restore from parent's line-height: 0 */
        }
        /* ===== End fix v2 ===== */

        .data-table th,
        .data-table td {
            padding: 15px 22px;
            text-align: left;
            border-bottom: 1px solid #eef2f6;
            vertical-align: middle;
        }
        .data-table th {
            background: #eef3f8;
            font-weight: 600;
            color: #1a3a5c;
            width: 36%;
        }
        .data-table td {
            background: #ffffff;
            color: #334155;
            width: 64%;
        }
        .data-table tr:last-child th,
        .data-table tr:last-child td {
            border-bottom: none;
        }

        .features-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 4px;
        }
        .feature-item .feature-title {
            font-weight: 700;
            font-size: 16px;
            color: #222222;
            display: block;
            margin-bottom: 2px;
        }
        .feature-item .feature-desc {
            font-size: 15px;
            color: #2c3e50;
            line-height: 1.7;
            margin: 0;
        }

        .apps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px 24px;
            margin-top: 8px;
        }
        .app-item .app-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            background: #f0f4f8;
            border-radius: 4px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
        }
        .app-item .app-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .app-item .app-title {
            font-size: 17px;
            font-weight: 700;
            color: #222222;
            margin-bottom: 4px;
        }
        .app-item .app-desc {
            font-size: 15px;
            line-height: 1.7;
            color: #2c3e50;
            margin: 0;
        }

        .oem-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px 32px;
            margin-top: 8px;
            list-style: none;
            padding: 0;
        }
        .oem-list li {
            font-size: 15px;
            line-height: 1.8;
            color: #2c3e50;
            padding: 2px 0 2px 20px;
            position: relative;
        }
        .oem-list li::before {
            content: "\2022";
            color: #1a3a5c;
            font-size: 18px;
            position: absolute;
            left: 0;
            top: 0;
        }

        .qc-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 16px;
            margin-top: 8px;
        }
        .qc-card {
            background: #ffffff;
            border: 1px solid #e8edf2;
            border-radius: 12px;
            padding: 22px 16px 18px;
            text-align: center;
            box-shadow: 0 1px 3px rgba(26, 58, 92, 0.06);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 96px;
            font-size: 15px;
            font-weight: 500;
            color: #1a3a5c;
            line-height: 1.4;
            transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
        }
        .qc-card::before {
            content: "\2713";
            flex: none;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: #e8f1f8;
            color: #1a3a5c;
            font-size: 13px;
            line-height: 24px;
            font-weight: 700;
        }
        .qc-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(26, 58, 92, 0.12);
            border-color: #cfe0ee;
        }

        .install-module {
            padding: 0;
            background: transparent;
            border: none;
        }

        @media (max-width: 992px) {
            .why-wrapper {
                flex-direction: column;
                align-items: stretch;
            }
            .why-text { flex: 1 1 auto; }
            .why-image { flex: 0 0 auto; max-width: 100%; width: 100%; }
            .apps-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 28px; }
            .oem-list { grid-template-columns: 1fr; gap: 4px 0; }
            .section-title { font-size: 24px; }
            .module { margin-bottom: 50px; }
        }

        @media (max-width: 768px) {
            .product-container { padding: 18px 14px 30px; }
            .section-title { font-size: 20px; margin-bottom: 16px; }
            .apps-grid { grid-template-columns: 1fr; gap: 28px; }
            .app-item .app-image { aspect-ratio: 16 / 9; }
            .data-table { font-size: 14px; min-width: 320px; }
            .data-table th, .data-table td { padding: 10px 14px; }
            .text-block { font-size: 15px; }
            .feature-item .feature-title { font-size: 15px; }
            .feature-item .feature-desc { font-size: 14px; }
            .oem-list li { font-size: 14px; padding-left: 18px; }
            .qc-cards { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .qc-card { font-size: 14px; padding: 18px 14px; min-height: 88px; }
            .module { margin-bottom: 40px; }
        }

        @media (max-width: 480px) {
            .product-container { padding: 12px 10px 20px; }
            .section-title { font-size: 18px; margin-bottom: 14px; }
            .data-table { font-size: 13px; min-width: 280px; }
            .data-table th, .data-table td { padding: 8px 10px; }
            .qc-cards { grid-template-columns: 1fr 1fr; gap: 8px; }
            .qc-card { font-size: 13px; padding: 16px 12px; min-height: 80px; }
            .feature-item .feature-desc { font-size: 14px; }
            .app-item .app-desc { font-size: 14px; }
            .module { margin-bottom: 32px; }
        }

        @media print {
            .data-table th {
                background: #f5f7fa !important;
                -webkit-print-color-adjust: exact;
                print-color-adjust: exact;
            }
            .qc-card {
                background: #f8fafc !important;
                border: 1px solid #ccc !important;
                -webkit-print-color-adjust: exact;
                print-color-adjust: exact;
            }
        }