body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .mobile-nav { display: none; background: #FF6B35; color: white; padding: 10px; text-align: center; cursor: pointer; }
        nav { background: #FF6B35; padding: 15px; margin-bottom: 30px; }
        nav ul { list-style: none; padding: 0; display: flex; justify-content: center; }
        nav li { margin: 0 15px; }
        nav a { color: white; text-decoration: none; font-weight: bold; }
        h1 { color: #FF6B35; text-align: center; margin-bottom: 10px; }
        h2 { color: #4A90E2; border-bottom: 2px solid #FF6B35; padding-bottom: 5px; }
        h3 { color: #2E8B57; }
        .download-btn, .login-btn { display: block; background: #FF6B35; color: white; padding: 15px; text-align: center; margin: 20px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .feature-box { background: #F8F8F8; padding: 20px; margin: 20px 0; border-radius: 8px; }
        img { max-width: 100%; height: auto; display: block; margin: 20px auto; border-radius: 8px; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        .tag { background: #4A90E2; color: white; padding: 5px 10px; border-radius: 20px; margin: 5px; display: inline-block; }
        @media (max-width: 768px) {
            .mobile-nav { display: block; }
            nav { display: none; }
            nav.active { display: block; }
            nav ul { flex-direction: column; }
            nav li { margin: 10px 0; }
        }