body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 2.5em; font-weight: bold; color: #ff6b00; text-shadow: 2px 2px 4px rgba(0,0,0,0.2); margin: 20px 0; }
        nav { background: #f8f9fa; padding: 15px; border-radius: 8px; margin-bottom: 30px; }
        nav a { margin: 0 15px; text-decoration: none; color: #007bff; font-weight: 500; }
        .mobile-nav-toggle { display: none; }
        h1 { color: #ff6b00; border-bottom: 3px solid #ff6b00; padding-bottom: 10px; }
        h2 { color: #2c3e50; margin-top: 40px; }
        h3 { color: #3498db; }
        .download-btn, .login-btn { display: inline-block; background: #ff6b00; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 6px; text-decoration: none; font-weight: bold; }
        .image-container { text-align: center; margin: 25px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        .highlight { background: #fff3cd; padding: 5px 10px; border-radius: 4px; }
        footer { margin-top: 50px; padding: 20px; background: #2c3e50; color: white; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tag { background: #3498db; color: white; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 20px; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; background: #ff6b00; color: white; padding: 10px; border-radius: 5px; text-align: center; cursor: pointer; }
            nav { display: none; }
            nav.active { display: block; }
            nav a { display: block; margin: 10px 0; }
        }