:root {
            --primary-color: #8e44ad;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --text-color: #2c3e50;
            --bg-color: #f8f9fa;
            --card-bg: #ffffff;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--bg-color);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 4rem 0;
            margin-bottom: 2rem;
            border-radius: 0 0 20px 20px;
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--accent-color);
            padding-left: 15px;
            margin: 2rem 0 1.5rem;
        }
        .content-card {
            background: var(--card-bg);
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            transition: transform 0.3s ease;
        }
        .content-card:hover {
            transform: translateY(-5px);
        }
        .highlight {
            background-color: rgba(142, 68, 173, 0.1);
            border-left: 4px solid var(--primary-color);
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 5px 5px 0;
        }
        .game-feature {
            text-align: center;
            padding: 1rem;
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            margin-top: 0.5rem;
            color: #666;
        }
        footer {
            background-color: #2c3e50;
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .toc {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 2rem;
        }
        .toc ul {
            padding-left: 1.5rem;
        }
        .toc li {
            margin-bottom: 0.5rem;
        }
        .toc a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .toc a:hover {
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 2rem 0;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }