:root {
            --primary-color: #1a5276;
            --secondary-color: #f39c12;
            --accent-color: #e74c3c;
            --text-color: #2c3e50;
            --light-bg: #ecf0f1;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        .main-container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 15px 50px rgba(0,0,0,0.1);
            margin: 30px auto;
            overflow: hidden;
            max-width: 1400px;
        }
        .logo-text {
            font-family: 'Georgia', serif;
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--primary-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        .logo-text:hover {
            color: var(--secondary-color);
            transform: scale(1.05);
        }
        .nav-link {
            font-weight: 600;
            color: var(--text-color) !important;
            padding: 15px 20px !important;
            border-radius: 10px;
            transition: all 0.3s ease;
            margin: 0 5px;
        }
        .nav-link:hover {
            background: var(--primary-color);
            color: white !important;
            transform: translateY(-2px);
        }
        h1, h2, h3 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-weight: 700;
        }
        h1 {
            font-size: 3rem;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 15px;
            text-align: center;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--accent-color);
            padding-left: 20px;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary-color);
        }
        .content-section {
            padding: 40px;
        }
        .highlight-box {
            background: linear-gradient(135deg, var(--light-bg), #d5dbdb);
            border-left: 5px solid var(--secondary-color);
            padding: 25px;
            border-radius: 10px;
            margin: 25px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .game-image {
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            transition: transform 0.3s ease;
            margin: 20px 0;
        }
        .game-image:hover {
            transform: scale(1.02);
        }
        .key-feature {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            margin-bottom: 25px;
            transition: transform 0.3s ease;
            border: 2px solid transparent;
        }
        .key-feature:hover {
            transform: translateY(-5px);
            border-color: var(--secondary-color);
        }
        footer {
            background: var(--primary-color);
            color: white;
            padding: 40px 0;
            margin-top: 50px;
        }
        .copyright {
            background: #1a252f;
            padding: 20px;
            text-align: center;
            color: #bdc3c7;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .content-section { padding: 20px; }
            .logo-text { font-size: 2rem; }
        }
        .content-paragraph {
            margin-bottom: 2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .keyword-highlight {
            font-weight: 700;
            color: var(--primary-color);
            background: rgba(26, 82, 118, 0.1);
            padding: 2px 6px;
            border-radius: 4px;
        }
        .cultural-note {
            background: #fff9e6;
            border: 1px solid #f1c40f;
            border-radius: 10px;
            padding: 20px;
            margin: 25px 0;
        }