:root {
            --primary-color: #ff6b35;
            --secondary-color: #f7931e;
            --accent-color: #2ecc71;
            --text-dark: #2c3e50;
            --text-light: #7f8c8d;
            --bg-light: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .nav-link {
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
            transform: translateY(-2px);
        }
        h1, h2, h3 {
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--text-dark);
        }
        h1 {
            font-size: 2.8rem;
            border-left: 5px solid var(--primary-color);
            padding-left: 1rem;
            margin-top: 2rem;
        }
        h2 {
            font-size: 2.2rem;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.5rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin-top: 2.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 107, 53, 0.1);
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 4px solid var(--primary-color);
            margin: 2rem 0;
        }
        .keyword {
            font-weight: 700;
            color: var(--primary-color);
        }
        .game-board {
            background: linear-gradient(45deg, #8e44ad, #3498db);
            padding: 2rem;
            border-radius: 15px;
            color: white;
            margin: 2rem 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        .strategy-card {
            transition: all 0.3s ease;
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        .strategy-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.2);
        }
        .icon-box {
            width: 60px;
            height: 60px;
            background-color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            color: white;
            font-size: 1.5rem;
        }
        footer {
            background-color: var(--text-dark);
            color: white;
            padding: 3rem 0;
            margin-top: 4rem;
        }
        .emoji {
            font-size: 1.5rem;
            margin-right: 0.5rem;
        }
        .section-divider {
            height: 3px;
            background: linear-gradient(to right, transparent, var(--primary-color), transparent);
            margin: 3rem 0;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }