:root {
            --primary-color: #FF6B35;
            --secondary-color: #004E89;
            --accent-color: #FFD166;
            --text-dark: #2D3047;
            --text-light: #6C757D;
            --bg-light: #F8F9FA;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-light);
        }
        .logo-brand {
            font-family: 'Arial Rounded MT Bold', 'Arial', sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
            letter-spacing: -0.5px;
        }
        .logo-brand span {
            color: var(--secondary-color);
        }
        .navbar {
            background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            padding: 1rem 0;
        }
        .nav-link {
            font-weight: 600;
            color: var(--text-dark) !important;
            margin: 0 0.5rem;
            transition: all 0.3s ease;
            border-radius: 8px;
            padding: 0.5rem 1rem !important;
        }
        .nav-link:hover {
            background-color: var(--primary-color);
            color: white !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: white;
            padding: 4rem 0;
            margin-bottom: 3rem;
            border-radius: 0 0 30px 30px;
        }
        .section-title {
            color: var(--secondary-color);
            font-weight: 700;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent-color);
            position: relative;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 100px;
            height: 3px;
            background-color: var(--primary-color);
        }
        .content-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.08);
            padding: 2rem;
            margin-bottom: 2rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
        }
        .content-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.12);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .game-image {
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.4s ease;
            margin-bottom: 1.5rem;
            width: 100%;
            height: auto;
        }
        .game-image:hover {
            transform: scale(1.02);
        }
        .highlight-text {
            background: linear-gradient(120deg, var(--accent-color) 0%, var(--accent-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 40%;
            background-position: 0 90%;
            font-weight: 700;
            padding: 0.2rem 0;
        }
        .tip-box {
            background-color: #E8F4FD;
            border-left: 5px solid var(--secondary-color);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .tip-title {
            color: var(--secondary-color);
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        footer {
            background: linear-gradient(135deg, var(--secondary-color) 0%, #00264D 100%);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-heading {
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--accent-color);
        }
        .social-icon {
            font-size: 1.5rem;
            color: white;
            margin-right: 1rem;
            transition: color 0.3s ease;
        }
        .social-icon:hover {
            color: var(--accent-color);
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            margin-top: 2rem;
            text-align: center;
            color: rgba(255,255,255,0.7);
        }
        @media (max-width: 768px) {
            .logo-brand {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 2.5rem 0;
                border-radius: 0 0 20px 20px;
            }
            .content-card {
                padding: 1.5rem;
            }
        }
        .content-paragraph {
            margin-bottom: 1.8rem;
            text-align: justify;
        }
        .key-term {
            font-weight: 700;
            color: var(--primary-color);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            display: block;
            line-height: 1;
        }
        .stat-label {
            font-size: 1rem;
            color: var(--text-light);
            font-weight: 600;
        }