body { font-family: 'Arial', sans-serif; line-height: 1.6; margin: 0; padding: 0; color: #333; }
        .logo { font-size: 2rem; font-weight: bold; color: #FF9900; text-align: center; margin: 20px 0; }
        nav { background-color: #1A5276; color: white; padding: 10px; text-align: center; }
        nav a { color: white; margin: 0 15px; text-decoration: none; }
        .mobile-nav-toggle { display: none; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; background: #FF9900; color: white; border: none; padding: 10px; margin: 10px auto; }
            nav { display: none; }
            .nav-active { display: block; }
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #1A5276; border-bottom: 2px solid #FF9900; padding-bottom: 10px; }
        h2 { color: #FF9900; margin-top: 30px; }
        h3 { color: #1A5276; }
        .btn { display: inline-block; background: #FF9900; color: white; padding: 10px 20px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        .download-section { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .tags { margin: 20px 0; }
        .tag { background: #E6E6E6; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 3px; }
        footer { background: #1A5276; color: white; text-align: center; padding: 20px; margin-top: 30px; }