:root {
            --primary-dark: #1a1a2e;
            --secondary-dark: #16213e;
            --accent-purple: #6a0dad;
            --accent-gold: #ffd700;
            --text-light: #e6e6e6;
            --shadow-glow: 0 0 15px rgba(106, 13, 173, 0.5);
        }
        body {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
            color: var(--text-light);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--accent-gold), var(--accent-purple));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
        }
        .navbar-brand:hover {
            transform: scale(1.05);
        }
        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            transition: all 0.3s ease;
            border-bottom: 2px solid transparent;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold) !important;
            border-bottom: 2px solid var(--accent-gold);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 26, 46, 0.8), rgba(22, 33, 62, 0.9)), url('https://via.placeholder.com/1200x600') center/cover no-repeat;
            padding: 100px 0;
            text-align: center;
            margin-bottom: 50px;
        }
        h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(45deg, var(--accent-gold), var(--accent-purple));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: var(--shadow-glow);
        }
        h2 {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin: 40px 0 20px;
            border-left: 5px solid var(--accent-purple);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--accent-purple);
            margin: 30px 0 15px;
        }
        .content-section {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: transform 0.3s ease;
        }
        .content-section:hover {
            transform: translateY(-5px);
        }
        .highlight-text {
            color: var(--accent-gold);
            font-weight: 700;
        }
        .game-feature {
            background: rgba(106, 13, 173, 0.2);
            border-left: 4px solid var(--accent-purple);
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        .img-container {
            border-radius: 10px;
            overflow: hidden;
            margin: 25px 0;
            box-shadow: var(--shadow-glow);
        }
        .img-container img {
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }
        .img-container:hover img {
            transform: scale(1.03);
        }
        .table-of-contents {
            background: rgba(22, 33, 62, 0.7);
            border-radius: 10px;
            padding: 20px;
            margin: 30px 0;
            border: 1px solid rgba(106, 13, 173, 0.3);
        }
        .toc-list {
            list-style-type: none;
            padding-left: 0;
        }
        .toc-list li {
            margin: 10px 0;
            padding-left: 20px;
            position: relative;
        }
        .toc-list li:before {
            content: "▶";
            color: var(--accent-purple);
            position: absolute;
            left: 0;
        }
        .toc-list a {
            color: var(--text-light);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .toc-list a:hover {
            color: var(--accent-gold);
        }
        footer {
            background: var(--secondary-dark);
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 1px solid rgba(106, 13, 173, 0.3);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 20px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .icon-feature {
            font-size: 2rem;
            color: var(--accent-purple);
            margin-right: 15px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 60px 0;
            }
        }