* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Arial, sans-serif;
        }
        body {
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            padding: 0 15px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 0;
        }
        .header-section {
            text-align: center;
            margin-bottom: 35px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eee;
        }
        .header-section h1 {
            font-size: 28px;
            color: #0056b3;
            margin-bottom: 12px;
            transition: color 0.3s ease;
        }
        .header-section h1:hover {
            color: #003d82;
        }
        .author-info {
            font-size: 15px;
            color: #666;
            margin-bottom: 10px;
        }
        .meta-box {
            background: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 30px;
            transition: transform 0.3s ease;
        }
        .meta-box:hover {
            transform: translateY(-3px);
        }
        .meta-box p {
            margin: 8px 0;
            font-size: 15px;
        }
        .content-box {
            background: #fff;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }
        .content-box p {
            margin-bottom: 18px;
            font-size: 16px;
        }
        .feature-list {
            margin: 20px 0;
            padding-left: 20px;
        }
        .feature-list li {
            margin: 12px 0;
            font-size: 16px;
            transition: padding-left 0.3s ease;
            list-style-type: disc;
        }
        .feature-list li:hover {
            padding-left: 8px;
        }
        .cta-box {
            background: #0056b3;
            color: #fff;
            text-align: center;
            padding: 25px;
            border-radius: 8px;
            margin-top: 30px;
            transition: background 0.3s ease;
        }
        .cta-box:hover {
            background: #003d82;
        }
        .cta-btn {
            display: inline-block;
            margin-top: 15px;
            padding: 12px 28px;
            background: #fff;
            color: #0056b3;
            text-decoration: none;
            border-radius: 4px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .cta-btn:hover {
            background: #e9ecef;
            transform: scale(1.02);
        }
        @media (max-width: 768px) {
            .header-section h1 {
                font-size: 22px;
            }
            .content-box, .meta-box, .cta-box {
                padding: 18px;
            }
            .content-box p, .feature-list li {
                font-size: 15px;
            }
        }