/* --- H-LIFT MODERN INDUSTRIAL THEME --- */
    :root {
        --brand-primary: #1A365D; /* Deep Slate Blue */
        --brand-accent: #FF6B00;  /* Vibrant Safety Orange */
        --text-main: #2D3748;
        --text-muted: #718096;
        --bg-page: #F7FAFC;
        --bg-card: #FFFFFF;
        --border-color: #E2E8F0;
        --info-blue: #3182CE;
        --info-bg: #EBF8FF;
        --radius-md: 10px;
        --radius-lg: 16px;
        --shadow-sm: 0 2px 4px rgba(0,0,0,0.02);
        --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    }

    /* Global Typography */
    * { box-sizing: border-box; }
    body {
        font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        font-size: 16px;
        color: var(--text-main);
        line-height: 1.6;
        margin: 0;
        padding: 20px;
        background-color: var(--bg-page);
    }

    .article-container {
        max-width: 1000px; /* Optimal reading width for articles */
        margin: 0 auto;
    }

    /* --- 1. HERO HEADER --- */
    .product-header {
        background: var(--bg-card);
        padding: 40px;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        margin-bottom: 40px;
        border-top: 5px solid var(--brand-primary);
        text-align: center;
    }

    .product-header h1 {
        font-size: 36px;
        color: var(--brand-primary);
        margin: 0 0 15px 0;
        font-weight: 800;
        letter-spacing: -0.5px;
        line-height: 1.3;
    }

    .product-header .subtitle {
        font-size: 18px;
        color: var(--brand-accent);
        font-weight: 600;
        margin-bottom: 20px;
    }

    .tags-wrapper {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .tag {
        background: #EDF2F7;
        color: var(--brand-primary);
        padding: 6px 16px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 700;
        border: 1px solid var(--border-color);
    }

    .tag.tag-highlight {
        background: var(--brand-accent);
        color: #fff;
        border-color: var(--brand-accent);
    }

    /* --- 2. SECTION HEADINGS --- */
    .section-heading {
        font-size: 24px;
        color: var(--brand-primary);
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .section-heading::before {
        content: "";
        width: 6px;
        height: 24px;
        background: var(--brand-accent);
        border-radius: 4px;
    }

    /* --- 3. CONTENT BLOCKS --- */
    .content-block {
        background: var(--bg-card);
        padding: 30px;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-color);
        margin-bottom: 40px;
    }
    
    .content-block p {
        margin-top: 0;
        margin-bottom: 15px;
    }
    
    .content-block p:last-child {
        margin-bottom: 0;
    }

    /* --- 4. LIST STYLES --- */
    .features-list {
        list-style: none;
        padding: 0;
        margin: 20px 0;
    }

    .features-list li {
        margin-bottom: 15px;
        padding-left: 28px;
        position: relative;
        color: var(--text-main);
    }

    .features-list li::before {
        content: "■";
        color: var(--brand-accent);
        font-size: 14px;
        position: absolute;
        left: 0;
        top: 2px;
    }

    .features-list strong {
        color: var(--brand-primary);
        font-weight: 700;
    }

    /* --- 5. BLOCKQUOTE --- */
    .quote-block {
        background: var(--info-bg);
        border-left: 5px solid var(--info-blue);
        padding: 25px 30px;
        margin: 25px 0;
        border-radius: var(--radius-md);
        font-style: italic;
        color: var(--brand-primary);
        font-size: 17px;
        line-height: 1.7;
    }

    .quote-author {
        display: block;
        margin-top: 15px;
        font-weight: 700;
        font-size: 15px;
        font-style: normal;
        color: var(--brand-accent);
    }

    /* --- 6. SEO KEYWORDS BLOCK --- */
    .seo-keywords {
        margin-top: 40px;
        padding: 15px;
        background-color: var(--bg-card);
        border-left: 4px solid var(--brand-accent);
        font-size: 13px;
        color: var(--text-muted);
        border-radius: 4px;
    }