body {
                            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
                            line-height: 1.8;
                            color: #333;
                            max-width: 800px;
                            margin: 0 auto;
                            padding: 20px;
                            background: #f5f5f5;
                        }
                        .preview-container {
                            background: white;
                            padding: 40px;
                            border-radius: 10px;
                            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
                        }
                        h1 {
                            color: #2c3e50;
                            border-bottom: 3px solid #3498db;
                            padding-bottom: 10px;
                            margin-bottom: 30px;
                        }
                        .category-badge {
                            display: inline-block;
                            background: #3498db;
                            color: white;
                            padding: 5px 15px;
                            border-radius: 20px;
                            font-size: 14px;
                            margin-bottom: 20px;
                        }
                        .content {
                            font-size: 18px;
                        }
                        .content img {
                            max-width: 100%;
                            height: auto;
                            margin: 20px 0;
                            border-radius: 5px;
                        }
                        .meta {
                            background: #f8f9fa;
                            padding: 15px;
                            border-radius: 5px;
                            margin-top: 30px;
                            font-size: 14px;
                            color: #666;
                        }