:root {
            --primary-color: #4CAF50;
            --secondary-color: #FF5722;
            --accent-color: #2196F3;
            --text-dark: #2E2E2E;
            --text-light: #666;
            --bg-light: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #fff;
        }
        .logo-brand {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
            letter-spacing: 1px;
        }
        .logo-brand span {
            color: var(--secondary-color);
        }
        .navbar {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        }
        .nav-link {
            font-weight: 600;
            color: var(--text-dark) !important;
            transition: all 0.3s ease;
            padding: 8px 15px !important;
            border-radius: 5px;
        }
        .nav-link:hover {
            background-color: var(--primary-color);
            color: white !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #388E3C 100%);
            color: white;
            padding: 80px 0;
            margin-bottom: 40px;
            border-radius: 0 0 20px 20px;
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 15px;
            margin: 40px 0 25px;
            font-weight: 700;
        }
        .content-section {
            margin-bottom: 40px;
            padding: 30px;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }
        .content-section:hover {
            transform: translateY(-5px);
        }
        .game-image {
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
            margin: 20px 0;
        }
        .game-image:hover {
            transform: scale(1.02);
        }
        .highlight-box {
            background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
            border-left: 5px solid var(--accent-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .feature-list {
            list-style-type: none;
            padding: 0;
        }
        .feature-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #ddd;
        }
        .feature-list li:before {
            content: "✓ ";
            color: var(--primary-color);
            font-weight: bold;
            margin-right: 10px;
        }
        .key-term {
            font-weight: bold;
            color: var(--secondary-color);
            background-color: #FFF3E0;
            padding: 2px 6px;
            border-radius: 4px;
        }
        footer {
            background-color: var(--text-dark);
            color: white;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--primary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top:hover {
            background-color: var(--secondary-color);
            transform: translateY(-5px);
            color: white;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 50px 0;
            }
            .logo-brand {
                font-size: 1.8rem;
            }
            .content-section {
                padding: 20px;
            }
        }