/* --- Basic Styles --- */
    :root {
        /* H-Lift Industrial Theme */
        --primary-color: #003366; /* Navy Blue */
        --accent-color: #e67e23; /* Safety Orange */
        --success-color: #27ae60; /* Safe Green */
        --danger-color: #c0392b; /* Alert Red */
        --bg-light: #f4f7f6;
        --border-color: #e0e0e0;
        --text-dark: #333;
        --text-light: #555;
    }

    body {
        font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        color: var(--text-dark);
        line-height: 1.6;
        margin: 0;
        padding: 20px;
        background-color: #fff;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
    }

    /* --- Header Section --- */
    .page-header {
        border-bottom: 4px solid var(--primary-color);
        padding-bottom: 20px;
        margin-bottom: 40px;
        text-align: center;
    }

    .page-header h1 {
        color: var(--primary-color);
        font-size: 32px;
        margin: 0 0 10px 0;
    }

    .page-header .subtitle {
        font-size: 18px;
        color: var(--text-light);
        font-weight: 500;
    }

    /* --- Critical Alert Box --- */
    .critical-alert {
        background: #fff3cd;
        border: 1px solid #ffeeba;
        color: #856404;
        padding: 20px;
        border-radius: 8px;
        margin-bottom: 30px;
        text-align: center;
        font-size: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 15px;
    }

    .critical-alert strong {
        color: var(--danger-color);
        text-transform: uppercase;
        display: block;
        margin-bottom: 5px;
    }

    /* --- Description Section --- */
    .intro-text {
        margin-bottom: 30px;
        text-align: justify;
    }

    /* --- Key Characteristics Table --- */
    .specs-table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 40px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    }

    .specs-table th, .specs-table td {
        padding: 12px 15px;
        text-align: left;
        border-bottom: 1px solid var(--border-color);
    }

    .specs-table th {
        background-color: var(--primary-color);
        color: #fff;
        width: 30%;
        font-weight: 600;
    }

    .specs-table tr:nth-child(even) {
        background-color: var(--bg-light);
    }

    /* --- Product Catalog Table --- */
    .catalog-section {
        margin-top: 50px;
    }

    .catalog-section h2 {
        color: var(--primary-color);
        border-left: 5px solid var(--accent-color);
        padding-left: 15px;
        margin-bottom: 25px;
    }

    .catalog-table {
        width: 100%;
        border-collapse: collapse;
        text-align: center;
        border: 1px solid var(--border-color);
    }

    .catalog-table th {
        background-color: var(--bg-light);
        color: var(--primary-color);
        padding: 15px;
        border-bottom: 2px solid var(--border-color);
        font-weight: bold;
    }

    .catalog-table td {
        padding: 12px;
        border-bottom: 1px solid #eee;
        color: var(--text-light);
    }

    .catalog-table tr:hover {
        background-color: #f9f9f9;
    }

    .catalog-image-cell {
        background-color: #fff;
        border-right: 1px solid var(--border-color);
        padding: 20px !important;
    }
    
    .catalog-image-cell img {
        max-height: 150px;
        width: auto;
    }

    /* --- Responsive --- */
    @media (max-width: 768px) {
        .specs-table th, .specs-table td {
            display: block;
            width: 100%;
        }
        .specs-table th {
            text-align: center;
        }
        .catalog-table, .catalog-table thead, .catalog-table tbody, .catalog-table th, .catalog-table td, .catalog-table tr { 
            display: block; 
        }
        .catalog-table thead tr { 
            position: absolute;
            top: -9999px;
            left: -9999px;
        }
        .catalog-table tr { border: 1px solid #ccc; margin-bottom: 10px; }
        .catalog-table td { 
            border: none;
            border-bottom: 1px solid #eee; 
            position: relative;
            padding-left: 50%; 
            text-align: right;
        }
        .catalog-table td:before { 
            position: absolute;
            top: 12px;
            left: 12px;
            width: 45%; 
            padding-right: 10px; 
            white-space: nowrap;
            text-align: left;
            font-weight: bold;
            content: attr(data-label);
        }
        .catalog-image-cell {
            text-align: center !important;
            padding-left: 0 !important;
        }
        .catalog-image-cell:before { content: none !important; }
    }