body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background: #0077be; color: white; padding: 15px; text-align: center; position: relative; }
        .logo { font-size: 28px; font-weight: bold; text-transform: uppercase; letter-spacing: 2px; }
        nav { display: flex; justify-content: center; gap: 20px; margin: 15px 0; }
        nav a { color: white; text-decoration: none; }
        .mobile-nav-btn { display: none; position: absolute; right: 20px; top: 20px; }
        h1 { color: #0077be; font-size: 2.5em; margin: 30px 0 20px; }
        h2 { color: #005f99; font-size: 1.8em; margin: 25px 0 15px; }
        h3 { color: #004477; font-size: 1.4em; margin: 20px 0 10px; }
        .btn { display: inline-block; background: #0077be; color: white; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; }
        .download-section { text-align: center; margin: 30px 0; }
        .stats-box { background: #f0f8ff; padding: 20px; border-radius: 8px; margin: 20px 0; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { background: #333; color: white; text-align: center; padding: 20px; margin-top: 40px; }
        @media (max-width: 768px) {
            .mobile-nav-btn { display: block; }
            nav { display: none; flex-direction: column; align-items: center; }
            nav.active { display: flex; }
            h1 { font-size: 2em; }
            h2 { font-size: 1.6em; }
        }