body { font-family: Arial, sans-serif; line-height: 1.6; margin: 0; padding: 0; color: #333; background-color: #f9f9f9; }
        header { background-color: #FF6B35; color: white; padding: 20px; text-align: center; }
        nav { display: flex; justify-content: space-around; align-items: center; }
        nav a { color: white; text-decoration: none; font-weight: bold; }
        .mobile-nav-btn { display: none; background: none; border: none; color: white; font-size: 24px; cursor: pointer; }
        @media (max-width: 768px) {
            nav { flex-direction: column; display: none; }
            .mobile-nav-btn { display: block; }
            .nav-active { display: flex; }
        }
        h1 { color: #FF6B35; text-align: center; margin-top: 30px; }
        h2 { color: #FF8C42; margin-left: 20px; }
        h3 { color: #FFA726; margin-left: 30px; }
        section { padding: 20px; margin: 20px; background-color: white; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        .download-btn, .login-btn { display: inline-block; padding: 10px 20px; background-color: #4CAF50; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        .login-btn { background-color: #2196F3; }
        img { max-width: 100%; height: auto; display: block; margin: 20px auto; }
        footer { background-color: #333; color: white; text-align: center; padding: 20px; }
        .tags { margin: 20px; }
        .tag { display: inline-block; background-color: #555; color: white; padding: 5px 10px; border-radius: 3px; margin: 5px; }