:root {
            --primary-color: #8e44ad;
            --secondary-color: #f39c12;
            --accent-color: #27ae60;
            --dark-color: #2c3e50;
            --light-color: #ecf0f1;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            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);
        }
        .hero-section {
            background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.9)), url('https://via.placeholder.com/1920x600') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
            margin-bottom: 40px;
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 15px;
            margin: 30px 0 20px;
        }
        .content-card {
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            padding: 25px;
            margin-bottom: 30px;
            transition: transform 0.3s ease;
        }
        .content-card:hover {
            transform: translateY(-5px);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }
        .game-image {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            margin: 20px 0;
            width: 100%;
            height: auto;
        }
        .highlight {
            background-color: rgba(243, 156, 18, 0.1);
            border-left: 4px solid var(--secondary-color);
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 5px 5px 0;
        }
        .key-term {
            font-weight: bold;
            color: var(--primary-color);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 30px 0;
            margin-top: 50px;
        }
        .nav-link {
            color: var(--dark-color) !important;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            .content-card {
                padding: 15px;
            }
        }