:root {
            --primary-color: #FF6B35;
            --secondary-color: #004E89;
            --accent-color: #FFD166;
            --text-dark: #2D3047;
            --text-light: #F8F9FA;
            --bg-light: #FDFFFC;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-light);
        }
        .logo-text {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-color);
            text-shadow: 2px 2px 0px var(--accent-color);
            letter-spacing: 1px;
        }
        .nav-custom {
            background: linear-gradient(135deg, var(--secondary-color) 0%, #1A659E 100%);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .nav-link {
            color: white !important;
            font-weight: 600;
            padding: 0.8rem 1.2rem !important;
            transition: all 0.3s ease;
            border-radius: 6px;
        }
        .nav-link:hover {
            background-color: rgba(255,255,255,0.15);
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(0,78,137,0.85), rgba(255,107,53,0.8)), url('https://via.placeholder.com/1600x900') center/cover no-repeat;
            color: white;
            padding: 5rem 0;
            margin-bottom: 3rem;
            border-radius: 0 0 30px 30px;
        }
        .content-section {
            padding: 2rem 0;
        }
        h1, h2, h3 {
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.8rem;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
        }
        h2 {
            color: var(--secondary-color);
            border-left: 5px solid var(--accent-color);
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            color: var(--primary-color);
            margin-top: 2rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #FFE8D6 0%, #FFD166 100%);
            border-radius: 12px;
            padding: 1.5rem;
            margin: 2rem 0;
            border-left: 5px solid var(--primary-color);
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .game-feature {
            background-color: white;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .game-feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .img-fluid {
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            margin: 1.5rem 0;
        }
        .img-fluid:hover {
            transform: scale(1.02);
        }
        .table-custom {
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .table-custom th {
            background-color: var(--secondary-color);
            color: white;
        }
        footer {
            background-color: var(--secondary-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .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(--accent-color);
            color: var(--text-dark);
            transform: translateY(-5px);
        }
        .content-paragraph {
            margin-bottom: 1.8rem;
            text-align: justify;
        }
        .key-term {
            font-weight: 700;
            color: var(--primary-color);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 3rem 0;
                border-radius: 0 0 20px 20px;
            }
            h1 {
                font-size: 2.2rem;
            }
            .logo-text {
                font-size: 1.8rem;
            }
        }