    margin-top: 20px;
            padding: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 12px;
            color: white;
        }

        .delta-features h3 {
            margin-bottom: 15px;
        }

        .delta-features ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 10px;
        }

        .delta-features li {
            padding: 5p