body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1, h2, h3 { color: #e74c3c; margin-top: 30px; }
        h1 { font-size: 2.5em; }
        h2 { font-size: 2em; }
        h3 { font-size: 1.5em; }
        p { margin-bottom: 15px; }
        .download-btn, .login-btn { display: inline-block; background: #e74c3c; color: white; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; }
        .nav-toggle { display: none; cursor: pointer; }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-toggle { display: block; }
            .nav-active { display: block; }
        }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .tags { margin: 20px 0; }
        .tag { display: inline-block; background: #f1f1f1; padding: 5px 10px; margin: 5px; border-radius: 3px; }
        footer { margin-top: 50px; padding-top: 20px; border-top: 1px solid #eee; }