* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.8;
            color: #333333;
            background-color: #ffffff;
            font-size: 16px;
        }
        
        .article-content {
            max-width: 100%;
            margin: 0 auto;
            padding: 0;
        }
        
        h1 {
            font-size: 32px;
            line-height: 1.4;
            color: #000000;
            font-weight: 700;
            margin: 30px 0 20px 0;
            padding: 0;
        }
        
        h2 {
            font-size: 26px;
            line-height: 1.5;
            color: #000000;
            font-weight: 600;
            margin: 40px 0 20px 0;
            padding: 0;
        }
        
        h3 {
            font-size: 20px;
            line-height: 1.5;
            color: #000000;
            font-weight: 600;
            margin: 30px 0 15px 0;
            padding: 0;
        }
        
        p {
            margin: 0 0 20px 0;
            color: #333333;
            font-size: 16px;
            line-height: 1.8;
            text-align: left;
        }
        
        strong {
            font-weight: 600;
            color: #30A0FF;
        }
        
        em {
            font-style: italic;
            color: #666666;
        }
        
        ul, ol {
            margin: 0 0 20px 0;
            padding-left: 30px;
        }
        
        li {
            margin-bottom: 12px;
            line-height: 1.8;
            color: #333333;
        }
        
        .highlight-box {
            background-color: #f0f8ff;
            border-left: 4px solid #30A0FF;
            padding: 20px 25px;
            margin: 25px 0;
        }
        
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        
        .image-wrapper {
            margin: 30px 0;
            text-align: center;
        }
        
        .image-wrapper img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 0 auto;
        }
        
        .image-caption {
            font-size: 14px;
            color: #666666;
            font-style: italic;
            margin-top: 10px;
            text-align: center;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            font-size: 15px;
        }
        
        table th {
            background-color: #30A0FF;
            color: #ffffff;
            padding: 12px 15px;
            text-align: left;
            font-weight: 600;
            border: 1px solid #30A0FF;
        }
        
        table td {
            padding: 12px 15px;
            border: 1px solid #e0e0e0;
            background-color: #ffffff;
        }
        
        table tr:nth-child(even) td {
            background-color: #f9f9f9;
        }
        
        .video-wrapper {
            margin: 30px 0;
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
        }
        
        .video-wrapper iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }
        
        .certification-box {
            text-align: center;
            margin: 30px 0;
            padding: 25px;
            background-color: #fafafa;
        }
        
        .certification-box img {
            max-width: 300px;
            height: auto;
            margin: 15px auto;
        }
        
        .question-box {
            background-color: #fffbf0;
            border-left: 4px solid #ffc107;
            padding: 20px 25px;
            margin: 25px 0;
            font-style: italic;
            color: #666666;
        }
        
        .faq-section {
            margin: 40px 0;
        }
        
        .faq-item {
            margin-bottom: 25px;
            padding-bottom: 20px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .faq-item:last-child {
            border-bottom: none;
        }
        
        .faq-question {
            font-size: 18px;
            font-weight: 600;
            color: #30A0FF;
            margin-bottom: 10px;
        }
        
        .faq-answer {
            font-size: 16px;
            line-height: 1.8;
            color: #333333;
        }
        
        .cta-section {
            background: linear-gradient(135deg, #30A0FF 0%, #1a7fd9 100%);
            color: #ffffff;
            padding: 50px 30px;
            text-align: center;
            margin: 40px 0;
            border-radius: 8px;
        }
        
        .cta-section h2 {
            color: #ffffff;
            margin-top: 0;
        }
        
        .cta-section p {
            color: #ffffff;
            font-size: 18px;
            margin: 20px 0;
        }
        
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 25px;
        }
        
        .cta-button {
            display: inline-block;
            background-color: #ffffff;
            color: #30A0FF;
            padding: 15px 35px;
            text-decoration: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s ease;
        }
        
        .cta-button:hover {
            background-color: #000000;
            color: #ffffff;
            transform: translateY(-2px);
        }
        
        .checklist {
            background-color: #f5f5f5;
            padding: 25px;
            margin: 25px 0;
            border-radius: 5px;
        }
        
        .checklist ul {
            list-style: none;
            padding-left: 0;
        }
        
        .checklist li {
            padding-left: 30px;
            position: relative;
            margin-bottom: 12px;
        }
        
        .checklist li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #30A0FF;
            font-weight: bold;
            font-size: 18px;
        }
        
        .pros-cons-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 30px 0;
        }
        
        .pros-section, .cons-section {
            background-color: #fafafa;
            padding: 25px;
            border-radius: 5px;
        }
        
        .pros-section h3 {
            color: #27ae60;
            margin-top: 0;
        }
        
        .cons-section h3 {
            color: #e74c3c;
            margin-top: 0;
        }
        
        .pros-section ul, .cons-section ul {
            list-style: none;
            padding-left: 0;
        }
        
        .pros-section li {
            padding-left: 25px;
            position: relative;
        }
        
        .pros-section li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #27ae60;
            font-weight: bold;
        }
        
        .cons-section li {
            padding-left: 25px;
            position: relative;
        }
        
        .cons-section li:before {
            content: "⚠";
            position: absolute;
            left: 0;
            color: #e74c3c;
            font-weight: bold;
        }
        
        @media screen and (max-width: 768px) {
            h1 {
                font-size: 24px;
            }
            
            h2 {
                font-size: 20px;
            }
            
            h3 {
                font-size: 18px;
            }
            
            p, li {
                font-size: 15px;
            }
            
            table {
                font-size: 13px;
            }
            
            table th, table td {
                padding: 8px 10px;
            }
            
            .pros-cons-wrapper {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            
            .cta-button {
                width: 100%;
                text-align: center;
            }
        }
        
        @media screen and (max-width: 480px) {
            h1 {
                font-size: 20px;
            }
            
            h2 {
                font-size: 18px;
            }
            
            h3 {
                font-size: 16px;
            }
            
            table {
                font-size: 12px;
            }
            
            table th, table td {
                padding: 6px 8px;
            }
        }