body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1, h2, h3 { color: #ff6b35; margin: 30px 0 15px; }
        h1 { font-size: 2.5em; }
        h2 { font-size: 2em; }
        h3 { font-size: 1.5em; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 24px; background: #ff6b35; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        .download-btn:hover, .login-btn:hover { background: #e05a2e; }
        .nav-bar { background: #ff6b35; color: white; padding: 15px; position: sticky; top: 0; z-index: 100; }
        .nav-bar a { color: white; margin: 0 15px; text-decoration: none; }
        .mobile-nav-toggle { display: none; }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-nav-toggle { display: block; cursor: pointer; }
        }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        .tag { background: #eee; padding: 5px 10px; border-radius: 3px; margin: 5px; display: inline-block; }