/* --- H-LIFT INDUSTRIAL THEME VARIABLES --- */
    :root {
        --primary-color: #003366; /* Deep Navy Blue */
        --accent-color: #e67e23;  /* Safety Orange */
        --bg-light: #f4f7f6;
        --border-color: #e0e0e0;
        --text-black: #000000;    /* Pure Black for Table Text */
        --text-dark: #333333;
        --text-light: #555555;
        --warning-bg: #ffebee;
        --warning-border: #ef9a9a;
        --warning-text: #c62828;
        --info-bg: #e3f2fd;
        --info-border: #2196f3;
        --info-text: #0d47a1;
    }

    /* Global Styles */
    * { box-sizing: border-box; }
    body {
        font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        color: var(--text-dark);
        line-height: 1.6;
        margin: 0;
        padding: 20px;
        background-color: #ffffff;
        font-size: 16px;
    }
    .container { max-width: 1200px; margin: 0 auto; }

    /* Header Section */
    .page-header {
        border-bottom: 4px solid var(--primary-color);
        padding-bottom: 20px;
        margin-bottom: 30px;
        text-align: center;
    }
    .page-header h1 {
        color: var(--primary-color);
        font-size: 32px;
        margin: 0 0 10px 0;
        font-family: 'Cambria', serif;
    }
    .sub-header {
        color: var(--text-light);
        font-weight: 600;
        font-size: 18px;
    }

    /* Content Blocks */
    .intro-box {
        background-color: var(--bg-light);
        padding: 20px;
        border-left: 5px solid var(--accent-color);
        margin-bottom: 30px;
        border-radius: 4px;
    }

    /* Feature Grid */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-bottom: 40px;
    }
    .feature-card {
        border: 1px solid var(--border-color);
        border-radius: 6px;
        padding: 20px;
        background: #fff;
        transition: transform 0.2s;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }
    .feature-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    .feature-title {
        font-weight: bold;
        color: var(--primary-color);
        font-size: 18px;
        margin-bottom: 10px;
        display: block;
        border-bottom: 2px solid #eee;
        padding-bottom: 5px;
    }

    /* --- FIXED TABLE STYLES --- */
    .table-container {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin-bottom: 40px;
        border: 1px solid var(--border-color);
        border-radius: 4px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    }
    
    table {
        width: 100%;
        border-collapse: collapse;
        min-width: 800px;
        table-layout: fixed; 
        background: #fff;
    }

    /* Header Cells */
    th {
        background-color: var(--primary-color);
        color: #ffffff;
        padding: 10px 4px; 
        border: 1px solid #ddd;
        font-size: 14px; 
        font-weight: 600;
        text-align: center !important;
        vertical-align: middle !important;
        height: auto !important; 
        white-space: normal !important; 
        line-height: 1.4;
        word-wrap: break-word;
    }

    /* Data Cells */
    td {
        padding: 8px 4px;
        border: 1px solid #ddd;
        font-size: 14px;
        color: #000000; /* Pure Black text */
        text-align: center !important;
        vertical-align: middle !important;
        height: auto !important;
        white-space: nowrap; 
        overflow: hidden;
        text-overflow: ellipsis;
    }

    tr:nth-child(even) { background-color: #f9f9f9; }
    
    /* Mobile Optimization */
    @media (max-width: 768px) {
        th { font-size: 12px; padding: 6px 2px; line-height: 1.3; }
        td { font-size: 12px; padding: 6px 2px; }
    }

    /* Scroll hint */
    .scroll-hint {
        display: none;
        font-size: 12px;
        color: #666;
        text-align: center;
        margin-bottom: 5px;
        font-style: italic;
    }
    @media (max-width: 768px) { .scroll-hint { display: block; } }

    /* Q&A Section */
    .qa-box {
        background-color: #e3f2fd;
        border: 1px solid #90caf9;
        padding: 20px;
        border-radius: 6px;
        margin-bottom: 30px;
        margin-top: 40px; 
    }
    .qa-item { margin-bottom: 15px; }
    .qa-item:last-child { margin-bottom: 0; }
    .question { font-weight: bold; color: var(--primary-color); }
    .answer { margin-top: 5px; display: block; }

    /* Warning & Info Boxes */
    .danger-box {
        background-color: var(--danger-bg);
        border: 1px solid var(--danger-border);
        padding: 15px;
        margin-bottom: 20px;
        border-radius: 4px;
        color: var(--danger-text);
        font-weight: bold;
        text-align: center;
    }
    
    .info-box {
        background-color: var(--info-bg);
        border-left: 5px solid var(--info-border);
        padding: 15px;
        margin-bottom: 20px;
        border-radius: 4px;
        color: var(--info-text);
    }
    .link-text { color: inherit; text-decoration: underline; font-weight: bold; }

    /* Diagram & Legend Styles */
    .tech-diagram-box {
        text-align: center;
        margin-bottom: 20px;
        padding: 15px;
        background-color: #fff;
        border: 1px dashed var(--border-color);
        border-radius: 6px;
    }
    .dimension-legend {
        font-size: 14px;
        color: var(--accent-color);
        font-weight: bold;
        margin-top: 10px;
        display: block;
    }

    .product-img {
        display: block;
        margin: 20px auto;
        max-width: 100%;
        height: auto;
        border: 1px solid #eee;
        padding: 5px;
    }

    /* Related Products Section */
    .related-products {
        margin-top: 50px;
        border-top: 2px solid #eee;
        padding-top: 30px;
    }
    .related-title {
        font-size: 20px;
        color: var(--primary-color);
        margin-bottom: 20px;
        font-weight: bold;
        text-align: center;
    }
    .related-grid {
        display: flex;
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
    }
    .related-item {
        width: 200px;
        text-align: center;
        border: 1px solid #eee;
        padding: 10px;
        border-radius: 4px;
        transition: transform 0.2s;
    }
    .related-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    .related-item img {
        max-width: 100%;
        height: auto;
        margin-bottom: 10px;
    }
    .related-item a {
        text-decoration: none;
        color: var(--text-dark);
        font-weight: 600;
        font-size: 14px;
    }
    .related-item a:hover {
        color: var(--accent-color);
    }