:root {
            --primary-color: #ff6b35;
            --secondary-color: #004e89;
            --accent-color: #ffd166;
            --text-dark: #2d3142;
            --text-light: #f7f7f7;
            --background-light: #ffffff;
            --background-dark: #1a1a2e;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--background-light);
        }
        .logo-text {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--primary-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
            letter-spacing: 1px;
        }
        .logo-text span {
            color: var(--secondary-color);
        }
        .navbar {
            background: linear-gradient(135deg, var(--secondary-color) 0%, #1a659e 100%);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            padding: 1rem 0;
        }
        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
            transform: translateY(-2px);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 26, 46, 0.8), rgba(26, 26, 46, 0.9)), url('https://via.placeholder.com/1920x1080') center/cover no-repeat;
            color: var(--text-light);
            padding: 5rem 0;
            text-align: center;
            margin-bottom: 3rem;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
        }
        .hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }
        .content-section {
            padding: 3rem 0;
        }
        h1, h2, h3 {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--primary-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 3rem;
            padding-left: 1rem;
            border-left: 5px solid var(--primary-color);
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            color: var(--primary-color);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-left: 5px solid var(--primary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }
        .key-point {
            background-color: var(--accent-color);
            color: var(--text-dark);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-weight: 600;
            display: inline-block;
            margin: 0.5rem 0.5rem 0.5rem 0;
        }
        .game-image {
            width: 100%;
            border-radius: 8px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            margin: 2rem 0;
            transition: transform 0.3s ease;
        }
        .game-image:hover {
            transform: scale(1.02);
        }
        .feature-list {
            list-style-type: none;
            padding-left: 0;
        }
        .feature-list li {
            margin-bottom: 1rem;
            padding-left: 2rem;
            position: relative;
        }
        .feature-list li:before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
        }
        .table-of-contents {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }
        .table-of-contents h3 {
            margin-top: 0;
            color: var(--secondary-color);
        }
        .table-of-contents ul {
            list-style-type: none;
            padding-left: 0;
        }
        .table-of-contents li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .table-of-contents li:before {
            content: '▶';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-size: 0.8rem;
        }
        .table-of-contents a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .table-of-contents a:hover {
            color: var(--primary-color);
        }
        footer {
            background-color: var(--background-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 2rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            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-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1.2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .logo-text {
                font-size: 1.8rem;
            }
        }
        .content-highlight {
            background: linear-gradient(135deg, var(--accent-color) 0%, #ffdf8d 100%);
            padding: 2rem;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: 0 6px 12px rgba(0,0,0,0.1);
        }
        .stat-box {
            text-align: center;
            padding: 1.5rem;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            margin: 1rem 0;
            transition: transform 0.3s ease;
        }
        .stat-box:hover {
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            display: block;
        }
        .stat-label {
            font-size: 1rem;
            color: var(--text-dark);
            font-weight: 600;
        }