body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #FF6B35; text-align: center; margin-bottom: 30px; }
        h2 { color: #0072B5; border-bottom: 2px solid #FFD700; padding-bottom: 5px; }
        h3 { color: #2E8B57; }
        .logo { font-size: 2.5em; font-weight: bold; text-align: center; margin: 20px 0; color: #FF4500; }
        .nav-bar { background-color: #1E3A8A; color: white; padding: 15px; position: sticky; top: 0; z-index: 100; }
        .nav-links { display: flex; justify-content: center; gap: 25px; }
        .mobile-toggle { display: none; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-align: center; }
        .download-btn { background-color: #4CAF50; color: white; }
        .login-btn { background-color: #2196F3; color: white; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .footer { background-color: #1E3A8A; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            .nav-links { flex-direction: column; align-items: center; display: none; }
            .mobile-toggle { display: block; text-align: center; cursor: pointer; }
            .show { display: flex !important; }
        }