body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #0a0a2a; color: #e0e0ff; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background-color: #1a1a4a; padding: 15px; position: sticky; top: 0; z-index: 100; }
        .logo { font-size: 28px; font-weight: bold; color: #ffcc00; text-decoration: none; }
        nav ul { list-style: none; padding: 0; display: flex; gap: 20px; }
        nav ul li { display: inline; }
        nav ul li a { color: #e0e0ff; text-decoration: none; }
        .mobile-menu-btn { display: none; background: none; border: none; color: #e0e0ff; font-size: 24px; cursor: pointer; }
        h1, h2, h3 { color: #ffcc00; }
        h1 { font-size: 32px; }
        h2 { font-size: 26px; margin-top: 30px; }
        h3 { font-size: 22px; margin-top: 25px; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 24px; margin: 10px 0; background-color: #4a4aff; color: white; text-decoration: none; border-radius: 5px; }
        .download-btn:hover, .login-btn:hover { background-color: #2a2aff; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        footer { background-color: #1a1a4a; padding: 20px; text-align: center; margin-top: 30px; }
        .tags { margin: 20px 0; }
        .tag { display: inline-block; background-color: #4a4aff; color: white; padding: 5px 10px; margin: 5px; border-radius: 3px; }
        @media (max-width: 768px) {
            nav ul { display: none; flex-direction: column; }
            nav ul.active { display: flex; }
            .mobile-menu-btn { display: block; }
            .container { padding: 10px; }
        }