body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #006400; font-size: 2.2em; }
        h2 { color: #2E8B57; border-bottom: 2px solid #FFD700; padding-bottom: 5px; }
        h3 { color: #3CB371; }
        .logo { font-size: 2.5em; font-weight: bold; color: #006400; text-decoration: none; }
        .mobile-nav { display: none; background: #006400; color: white; padding: 10px; text-align: center; cursor: pointer; }
        nav { background: #006400; padding: 15px; }
        nav ul { list-style: none; display: flex; justify-content: space-around; margin: 0; padding: 0; }
        nav ul li a { color: white; text-decoration: none; font-weight: bold; }
        .content-section { margin: 30px 0; }
        .download-btn { background: #FFD700; color: #006400; padding: 15px 30px; text-decoration: none; font-weight: bold; display: inline-block; margin: 20px 0; }
        .login-btn { background: #2E8B57; color: white; padding: 15px 30px; text-decoration: none; font-weight: bold; display: inline-block; margin: 20px 10px; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            nav ul { flex-direction: column; text-align: center; }
            .mobile-nav { display: block; }
            nav { display: none; }
            .nav-active { display: block; }
        }