/* --- 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;
    }

    /* --- Content Layout --- */
    .content-section {
        margin-bottom: 50px;
    }

    .section-title {
        font-size: 24px;
        color: var(--primary-color);
        border-left: 5px solid var(--accent-color);
        padding-left: 15px;
        margin-bottom: 25px;
        font-weight: 700;
    }

    .intro-text {
        margin-bottom: 25px;
        font-size: 16px;
        text-align: justify;
    }

    /* --- Selection Grid --- */
    .selection-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-bottom: 30px;
    }

    .selection-card {
        background: var(--bg-light);
        padding: 20px;
        border-radius: 8px;
        border: 1px solid var(--border-color);
    }

    .selection-card ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .selection-card li {
        margin-bottom: 10px;
        padding-left: 25px;
        position: relative;
    }

    .selection-card li::before {
        content: "➤";
        color: var(--accent-color);
        position: absolute;
        left: 0;
        font-size: 14px;
        top: 2px;
    }

    /* --- Comparison Table Styles (NEW) --- */
    .table-responsive {
        overflow-x: auto;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        border: 1px solid var(--border-color);
    }

    .compare-table {
        width: 100%;
        border-collapse: collapse;
        min-width: 600px;
        background: #fff;
    }

    .compare-table th {
        background-color: var(--primary-color);
        color: #fff;
        padding: 15px;
        text-align: left;
        font-weight: 600;
        border-bottom: 3px solid var(--accent-color);
    }

    .compare-table td {
        padding: 12px 15px;
        border-bottom: 1px solid #eee;
        color: var(--text-dark);
        vertical-align: top;
    }

    .compare-table tr:nth-child(even) {
        background-color: #fcfcfc;
    }

    .compare-table tr:last-child td {
        border-bottom: none;
    }

    .feature-label {
        font-weight: bold;
        color: var(--primary-color);
    }

    /* --- Safety Section --- */
    .safety-block {
        margin-bottom: 30px;
    }

    .safety-block h3 {
        color: var(--primary-color);
        border-bottom: 1px solid #eee;
        padding-bottom: 10px;
        margin-bottom: 15px;
    }

    .safety-list {
        list-style: none;
        padding: 0;
    }

    .safety-list li {
        margin-bottom: 12px;
        padding-left: 30px;
        position: relative;
    }

    /* Safety Icons */
    .safety-list.general li::before { content: "⚠️"; position: absolute; left: 0; }
    .safety-list.operation li::before { content: "⚙️"; position: absolute; left: 0; }
    .safety-list.load li::before { content: "📦"; position: absolute; left: 0; }

    /* --- Critical Warning Box --- */
    .warning-box {
        background-color: #fff3cd;
        border: 1px solid #ffeeba;
        color: #856404;
        padding: 20px;
        border-radius: 6px;
        margin-bottom: 30px;
        display: flex;
        align-items: flex-start;
        gap: 15px;
    }

    .warning-box strong {
        color: var(--danger-color);
        text-transform: uppercase;
    }

    /* --- Diagram Note --- */
    .diagram-note {
        text-align: center;
        margin-bottom: 20px;
        font-style: italic;
        color: var(--text-light);
        background: #fff;
        padding: 15px;
        border: 1px dashed #ccc;
    }