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;
                        }
                        .seo-container {
                            background: white;
                            padding: 40px;
                            border-radius: 10px;
                            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
                        }
                        .seo-score {
                            font-size: 48px;
                            font-weight: bold;
                            text-align: center;
                            margin: 20px 0;
                        }
                        .score-excellent { color: #10b981; }
                        .score-good { color: #f59e0b; }
                        .score-poor { color: #ef4444; }
                        .suggestions {
                            background: #f8f9fa;
                            padding: 20px;
                            border-radius: 8px;
                            margin-top: 20px;
                        }