/* --- H-Lift Industrial Theme Variables --- */
    :root {
        --primary-color: #003366; /* Deep Navy Blue */
        --accent-color: #e67e23;  /* Safety Orange */
        --bg-light: #f4f7f6;
        --border-color: #e0e0e0;
        --text-dark: #333333;
        --text-light: #555555;
    }

    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;
    }

    /* --- Intro Section --- */
    .intro-box {
        background-color: var(--bg-light);
        padding: 20px;
        border-left: 5px solid var(--accent-color);
        margin-bottom: 40px;
        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;
    }

    .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;
    }

    /* --- Step-by-Step Guide --- */
    .guide-box {
        background-color: #e3f2fd; /* Light Blue */
        border: 1px solid #90caf9;
        padding: 25px;
        border-radius: 6px;
        margin-bottom: 40px;
    }

    .guide-header {
        font-size: 20px;
        font-weight: bold;
        color: #0d47a1;
        margin-bottom: 15px;
        display: block;
    }

    .guide-steps {
        list-style: none;
        padding: 0;
        margin: 0;
        counter-reset: step-counter;
    }

    .guide-steps li {
        position: relative;
        padding-left: 35px;
        margin-bottom: 10px;
    }

    .guide-steps li::before {
        counter-increment: step-counter;
        content: counter(step-counter);
        position: absolute;
        left: 0;
        top: 2px;
        background-color: var(--accent-color);
        color: #fff;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        text-align: center;
        line-height: 24px;
        font-size: 14px;
        font-weight: bold;
    }

    /* --- Pro Tip Box --- */
    .pro-tip {
        background-color: #fff3e0;
        border-left: 5px solid #ff9800;
        padding: 15px;
        margin-top: 20px;
        font-style: italic;
        color: #555;
    }

    /* --- Technical Specs Table --- */
    .spec-table th, .spec-table td {
        text-align: center;
        border: 1px solid var(--border-color);
        padding: 10px;
        font-size: 16px;
    }

    .spec-table thead th {
        background-color: var(--primary-color);
        color: #fff;
        font-weight: 600;
        vertical-align: middle;
    }

    .table-wrapper {
        overflow-x: auto;
        margin-bottom: 40px;
    }

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

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