* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.7;
            color: #334155;
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .article-container {
            max-width: 1000px;
            margin: 0 auto;
            background: white;
            border-radius: 16px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
            overflow: hidden;
        }

        .content-wrapper {
            padding: 40px;
        }

        .intro-section {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .intro-section::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #3b82f6, #10b981);
            margin: 25px auto;
            border-radius: 2px;
        }

        h1 {
            font-size: 2.5rem;
            color: #1e293b;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .intro-text {
            font-size: 1.1rem;
            color: #64748b;
            max-width: 800px;
            margin: 0 auto;
        }

        .section {
            margin: 50px 0;
            position: relative;
        }

        .section-title {
            font-size: 1.8rem;
            color: #1e293b;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e2e8f0;
            position: relative;
            display: flex;
            align-items: center;
        }

        .section-title i {
            margin-right: 12px;
            color: #3b82f6;
            background: #dbeafe;
            padding: 10px;
            border-radius: 10px;
        }

        .subsection {
            background: #f8fafc;
            border-radius: 12px;
            padding: 25px;
            margin: 25px 0;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.03);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .subsection:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.07);
        }

        .subsection-title {
            font-size: 1.4rem;
            color: #1e293b;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }

        .subsection-title i {
            margin-right: 10px;
            color: #10b981;
            background: #d1fae5;
            padding: 8px;
            border-radius: 8px;
        }

        p {
            margin-bottom: 16px;
            color: #475569;
            font-size: 1.05rem;
        }

        .product-highlight {
            background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
            padding: 20px;
            border-radius: 12px;
            margin: 20px 0;
            border-left: 4px solid #3b82f6;
            position: relative;
            overflow: hidden;
        }

        .product-highlight::before {
            content: '\f0eb';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            top: 10px;
            right: 15px;
            font-size: 3rem;
            opacity: 0.1;
            color: #3b82f6;
        }

        .product-name {
            font-weight: 700;
            color: #1d4ed8;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }

        .feature-card {
            background: white;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.04);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #e2e8f0;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background: #e0f2fe;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
            color: #0ea5e9;
            font-size: 1.5rem;
        }

        .feature-card h4 {
            font-size: 1.1rem;
            color: #1e293b;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 0.95rem;
            color: #64748b;
        }

        .specs-container {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
        }

        .spec-pill {
            background: #e0f2fe;
            color: #0c4a6e;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            display: flex;
            align-items: center;
        }

        .spec-pill i {
            margin-right: 6px;
            color: #0ea5e9;
        }

        .conclusion {
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            padding: 30px;
            border-radius: 16px;
            margin-top: 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .conclusion::before {
            content: '\f521';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            bottom: -15px;
            right: -15px;
            font-size: 8rem;
            opacity: 0.05;
            color: #0ea5e9;
            transform: rotate(15deg);
        }

        .conclusion h2 {
            color: #1e293b;
            margin-bottom: 20px;
        }

        .conclusion p {
            font-size: 1.1rem;
            max-width: 800px;
            margin: 0 auto 20px;
        }

        .footer-note {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #e2e8f0;
            color: #64748b;
            font-size: 0.9rem;
        }

        @media (max-width: 768px) {
            .content-wrapper {
                padding: 25px;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .subsection {
                padding: 20px;
            }
        }

        /* Animation for section entrance */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-section {
            animation: fadeInUp 0.6s ease forwards;
        }

        /* Tooltip removed — no span tags in content */