:root {
            --primary-color: #ff6b35;
            --secondary-color: #f7931e;
            --accent-color: #ff4444;
            --dark-color: #2d1b0e;
            --light-color: #fff5e6;
            --text-color: #333333;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #f8f9fa;
        }
        .logo-text {
            font-family: 'Georgia', serif;
            font-weight: bold;
            color: var(--primary-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
            font-size: 1.8rem;
        }
        .nav-link {
            font-weight: 500;
            transition: all 0.3s ease;
            color: var(--dark-color);
        }
        .nav-link:hover {
            color: var(--primary-color);
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 4rem 0;
            border-radius: 0 0 30px 30px;
            margin-bottom: 3rem;
        }
        .content-section {
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.08);
            padding: 2.5rem;
            margin-bottom: 2rem;
        }
        h1, h2, h3 {
            color: var(--dark-color);
            margin-bottom: 1.5rem;
        }
        h1 {
            color: white;
            font-size: 2.8rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }
        h2 {
            border-left: 5px solid var(--primary-color);
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            color: var(--secondary-color);
            margin-top: 2rem;
        }
        .highlight-text {
            background: linear-gradient(120deg, var(--light-color) 0%, var(--light-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.4em;
            background-position: 0 88%;
            font-weight: 600;
        }
        .feature-icon {
            color: var(--primary-color);
            margin-right: 10px;
            font-size: 1.2rem;
        }
        .game-image {
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            transition: transform 0.3s ease;
            margin: 1.5rem 0;
        }
        .game-image:hover {
            transform: scale(1.02);
        }
        .key-point {
            background-color: var(--light-color);
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .strategy-box {
            background: linear-gradient(135deg, #fff, #fff8f0);
            border: 1px solid #ffe0b2;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .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;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top:hover {
            transform: translateY(-5px);
            color: white;
            background: var(--accent-color);
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            .hero-section {
                padding: 2.5rem 0;
            }
            .content-section {
                padding: 1.5rem;
            }
        }