:root {
            --primary-color: #ff6b35;
            --secondary-color: #1a237e;
            --accent-color: #ffd54f;
            --text-dark: #2e2e2e;
            --text-light: #f8f9fa;
            --bg-light: #fff9c4;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .nav-link {
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 35, 126, 0.8), rgba(255, 107, 53, 0.8)), url('https://via.placeholder.com/1200x600') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
        }
        h2 {
            color: var(--secondary-color);
            border-left: 5px solid var(--primary-color);
            padding-left: 15px;
            margin: 40px 0 20px;
            font-weight: 700;
        }
        h3 {
            color: var(--primary-color);
            margin: 30px 0 15px;
            font-weight: 600;
        }
        .content-section {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            padding: 40px;
            margin-bottom: 30px;
        }
        .highlight-box {
            background: var(--bg-light);
            border-left: 4px solid var(--accent-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .game-feature {
            background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
            color: white;
            padding: 15px;
            border-radius: 10px;
            margin: 15px 0;
            transition: transform 0.3s ease;
        }
        .game-feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .img-fluid {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            margin: 20px 0;
        }
        .img-fluid:hover {
            transform: scale(1.02);
        }
        footer {
            background: var(--secondary-color);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 20px;
            text-align: center;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            .hero-section {
                padding: 60px 0;
            }
            .content-section {
                padding: 25px;
            }
        }
        .toc {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 20px;
            margin: 20px 0;
        }
        .toc ul {
            padding-left: 20px;
        }
        .toc li {
            margin: 8px 0;
        }
        .toc a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .toc a:hover {
            color: var(--primary-color);
        }
        strong {
            color: var(--primary-color);
        }
        .icon-box {
            text-align: center;
            padding: 15px;
            margin: 10px 0;
        }
        .icon-box i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 10px;
        }