:root {
            --primary-color: #ff6b35;
            --secondary-color: #1a1a2e;
            --accent-color: #f7931e;
            --text-light: #ffffff;
            --text-dark: #333333;
            --bg-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #f8f9fa;
        }
        .hero-section {
            background: var(--bg-gradient);
            color: var(--text-light);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .logo-text {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.8rem;
            font-weight: bold;
            color: var(--primary-color);
            text-shadow: 3px 3px 0px rgba(0,0,0,0.3);
            letter-spacing: 2px;
        }
        .nav-custom {
            background: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }
        .nav-custom.scrolled {
            padding: 5px 0;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }
        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            margin: 0 10px;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .content-section {
            padding: 60px 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }
        h1, h2, h3 {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--text-light);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--primary-color);
            padding-left: 15px;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--accent-color);
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 107, 53, 0.1);
            border-left: 4px solid var(--primary-color);
            padding: 15px 20px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        .key-term {
            font-weight: bold;
            color: var(--primary-color);
        }
        .game-image {
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            transition: transform 0.3s ease;
            margin: 25px 0;
            width: 100%;
            height: auto;
        }
        .game-image:hover {
            transform: translateY(-5px);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .feature-box {
            text-align: center;
            padding: 30px 20px;
            border-radius: 10px;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            height: 100%;
        }
        .feature-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .table-custom {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .table-custom th {
            background-color: var(--secondary-color);
            color: white;
            font-weight: 600;
        }
        footer {
            background: var(--secondary-color);
            color: var(--text-light);
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            z-index: 1000;
            opacity: 0;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .back-to-top.show {
            opacity: 1;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .logo-text {
                font-size: 2rem;
            }
            .hero-section {
                padding: 60px 0;
            }
        }