/* --- H-Lift Industrial Theme Variables --- */
    :root {
        --primary-color: #003366; /* Deep Navy Blue */
        --accent-color: #f39c12;  /* Safety Orange */
        --bg-light: #f4f7f6;
        --border-color: #e0e0e0;
        --text-dark: #333333;
        --text-light: #555555;
        --danger-bg: #fff5f5;
        --danger-border: #fc8181;
        --danger-text: #c53030;
        --success-bg: #f0fff4;
        --success-border: #9ae6b4;
        --success-text: #2f855a;
    }

    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; /* Standardized 16px font */
    }

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

    /* --- Page Header --- */
    .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;
        font-family: 'Cambria', serif;
    }

    .sub-header {
        color: var(--text-light);
        font-weight: 600;
        font-size: 18px;
    }

    /* --- The Golden Rule Box --- */
    .rule-box {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-bottom: 40px;
    }

    .rule-card {
        flex: 1;
        padding: 20px;
        border-radius: 8px;
        border-left: 6px solid;
    }

    .rule-no {
        background-color: var(--danger-bg);
        border-color: var(--danger-text);
        color: var(--danger-text);
    }

    .rule-yes {
        background-color: var(--success-bg);
        border-color: var(--success-text);
        color: var(--success-text);
    }

    .rule-title {
        display: block;
        font-size: 18px;
        font-weight: bold;
        margin-bottom: 10px;
        text-transform: uppercase;
    }

    /* --- Technical Definition --- */
    .tech-section {
        margin-bottom: 40px;
        padding: 20px;
        background-color: var(--bg-light);
        border-radius: 6px;
    }

    .tech-title {
        color: var(--primary-color);
        font-weight: bold;
        display: block;
        margin-bottom: 10px;
    }

    /* --- Comparison Table --- */
    .guide-container {
        margin-bottom: 40px;
        border: 1px solid #e0e0e0;
        border-radius: 8px;
        overflow: hidden;
    }

    .guide-header {
        background-color: var(--primary-color);
        color: #ffffff;
        padding: 15px 20px;
        font-size: 18px;
        font-weight: bold;
        text-align: center;
        border-bottom: 3px solid var(--accent-color);
    }

    .guide-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 15px;
        background-color: #fff;
        min-width: 600px;
    }

    .table-wrapper {
        overflow-x: auto;
    }

    .guide-table th {
        background-color: #f4f7f6;
        color: #333;
        font-weight: 600;
        text-align: left;
        padding: 12px 15px;
        border-bottom: 2px solid #ddd;
    }

    .guide-table td {
        padding: 12px 15px;
        border-bottom: 1px solid #eee;
        color: #555;
        vertical-align: top;
    }

    .guide-table tr:nth-child(even) {
        background-color: #f9fbfd;
    }

    .status-no { color: #c53030; font-weight: bold; }
    .status-yes { color: #2f855a; font-weight: bold; }

    /* --- Common Mistakes Section --- */
    .mistakes-section h2 {
        color: var(--primary-color);
        border-left: 5px solid var(--accent-color);
        padding-left: 15px;
        margin-top: 40px;
    }

    .warning-block {
        border: 1px solid var(--border-color);
        padding: 20px;
        margin-bottom: 20px;
        border-radius: 6px;
        background: #fff;
    }

    .warning-title {
        font-weight: bold;
        color: var(--primary-color);
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 10px;
        font-size: 18px;
    }

    /* --- Image Container --- */
    .image-container {
        text-align: center;
        margin-top: 40px;
        padding: 10px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
    }

    .image-container img {
        max-width: 100%;
        height: auto;
    }