:root {
            --primary-color: #4a148c;
            --secondary-color: #ff6f00;
            --accent-color: #ffab00;
            --text-color: #333333;
            --light-bg: #f8f9fa;
            --dark-bg: #2e1a47;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--light-bg);
        }
        .logo-text {
            font-family: 'Georgia', serif;
            font-weight: bold;
            font-size: 2.2rem;
            color: var(--primary-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .logo-subtext {
            font-size: 0.9rem;
            color: var(--secondary-color);
            font-weight: 600;
        }
        .navbar {
            background: linear-gradient(135deg, var(--primary-color), #6a1b9a);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .nav-link {
            color: white !important;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 8px 15px !important;
            border-radius: 4px;
        }
        .nav-link:hover {
            background-color: rgba(255,255,255,0.15);
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(74, 20, 140, 0.85), rgba(106, 27, 154, 0.85)), url('https://via.placeholder.com/1600x900') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
            margin-bottom: 40px;
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 15px;
            margin: 40px 0 25px;
            font-weight: 700;
        }
        .subsection-title {
            color: var(--secondary-color);
            margin: 30px 0 15px;
            font-weight: 600;
        }
        .content-card {
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            padding: 25px;
            margin-bottom: 30px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-top: 4px solid var(--accent-color);
        }
        .content-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff3e0, #ffecb3);
            border-left: 4px solid var(--secondary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .keyword {
            background-color: #e1f5fe;
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
            color: #01579b;
        }
        .game-feature {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        .feature-icon {
            background-color: var(--primary-color);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            flex-shrink: 0;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .scrabble-image {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            max-width: 100%;
            height: auto;
        }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .strategy-list {
            list-style-type: none;
            padding-left: 0;
        }
        .strategy-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #e0e0e0;
        }
        .strategy-list li:last-child {
            border-bottom: none;
        }
        .strategy-list i {
            color: var(--secondary-color);
            margin-right: 10px;
        }
        footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-heading {
            color: var(--accent-color);
            margin-bottom: 20px;
            font-weight: 600;
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 30px;
            text-align: center;
            font-size: 0.9rem;
            color: #ccc;
        }
        .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(--secondary-color);
            transform: translateY(-3px);
            color: white;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            .logo-text {
                font-size: 1.8rem;
            }
            .content-card {
                padding: 20px;
            }
        }