body { font-family: 'Segoe UI', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #0a5c3a; text-align: center; margin-bottom: 30px; }
        h2 { color: #1d7d52; border-bottom: 2px solid #f0f0f0; padding-bottom: 10px; }
        h3 { color: #2e8b57; }
        .nav { background: #0a5c3a; padding: 15px; display: flex; justify-content: space-between; align-items: center; }
        .nav a { color: white; text-decoration: none; margin: 0 10px; }
        .mobile-toggle { display: none; }
        .download-btn { background: #0a5c3a; color: white; padding: 12px 25px; border-radius: 30px; text-decoration: none; display: inline-block; margin: 20px 0; }
        .login-btn { background: #2e8b57; color: white; padding: 12px 25px; border-radius: 30px; text-decoration: none; display: inline-block; margin: 20px 10px; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .footer { background: #f0f0f0; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            .nav { flex-direction: column; }
            .mobile-toggle { display: block; background: none; border: none; color: white; font-size: 24px; cursor: pointer; }
            .nav-links { display: none; width: 100%; }
            .nav-links.active { display: flex; flex-direction: column; }
            .nav-links a { margin: 10px 0; }
        }