body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 2.5em; font-weight: bold; color: #FF6B35; text-align: center; margin: 20px 0; }
        nav { background: #1A3C40; padding: 15px; text-align: center; }
        nav a { color: white; margin: 0 15px; text-decoration: none; }
        .mobile-menu { display: none; background: #1A3C40; color: white; padding: 10px; text-align: center; cursor: pointer; }
        h1 { color: #FF6B35; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #1A3C40; margin-top: 30px; }
        h3 { color: #4E9F3D; }
        .btn { display: inline-block; background: #FF6B35; color: white; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .download-section, .login-section { text-align: center; margin: 30px 0; }
        .tags { margin: 20px 0; }
        .tag { background: #E0F7FA; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 3px; }
        footer { background: #1A3C40; color: white; text-align: center; padding: 20px; margin-top: 30px; }
        @media (max-width: 768px) {
            nav { display: none; }
            .mobile-menu { display: block; }
            .show-nav { display: block; }
        }