body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 28px; font-weight: bold; color: #FF9900; text-decoration: none; margin-bottom: 20px; display: block; }
        nav { background: #333; padding: 10px; }
        nav a { color: white; margin: 0 10px; text-decoration: none; }
        .mobile-menu { display: none; }
        h1 { color: #FF6600; border-bottom: 2px solid #FF9900; padding-bottom: 10px; }
        h2 { color: #3366CC; margin-top: 30px; }
        h3 { color: #669933; }
        .download-btn, .login-btn { background: #FF6600; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-decoration: none; display: inline-block; }
        .img-container { text-align: center; margin: 20px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        table { width: 100%; border-collapse: collapse; margin: 20px 0; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align: left; }
        th { background: #f2f2f2; }
        .highlight { background: #FFF3E0; padding: 15px; border-radius: 5px; }
        .footer-links { margin: 30px 0; }
        .footer-links a { margin: 0 10px; color: #3366CC; }
        @media (max-width: 768px) {
            .desktop-menu { display: none; }
            .mobile-menu { display: block; background: #333; color: white; padding: 10px; text-align: center; }
            body { padding: 10px; }
        }