body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #FF6B35; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #2C3E50; margin-top: 30px; }
        h3 { color: #3498DB; margin-top: 20px; }
        .download-btn { background: #27AE60; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; display: inline-block; margin: 15px 0; }
        .login-btn { background: #3498DB; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; display: inline-block; margin: 15px 0; }
        .nav-container { background: #2C3E50; padding: 15px; position: sticky; top: 0; z-index: 100; }
        .nav-links { display: flex; justify-content: space-between; }
        .nav-links a { color: white; text-decoration: none; }
        .mobile-nav-toggle { display: none; color: white; font-size: 24px; }
        @media (max-width: 768px) {
            .nav-links { flex-direction: column; display: none; }
            .nav-links.active { display: flex; }
            .mobile-nav-toggle { display: block; }
        }
        .image-container { margin: 25px 0; text-align: center; }
        .image-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tag { background: #ECF0F1; padding: 5px 10px; border-radius: 3px; margin: 5px; display: inline-block; }
        footer { margin-top: 50px; padding: 20px; background: #2C3E50; color: white; text-align: center; }