:root {
            --primary-color: #FF6B8B;
            --secondary-color: #4ECDC4;
            --accent-color: #FFE66D;
            --dark-color: #2A2D34;
            --light-color: #F7FFF7;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        .logo-text {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-weight: 900;
            font-size: 2.2rem;
            background: linear-gradient(45deg, #FF6B8B, #FFE66D, #4ECDC4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .navbar {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        .nav-link {
            font-weight: 600;
            color: var(--dark-color) !important;
            transition: all 0.3s ease;
            border-radius: 20px;
            padding: 8px 16px !important;
            margin: 0 5px;
        }
        .nav-link:hover {
            background-color: var(--primary-color);
            color: white !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(42,45,52,0.8), rgba(42,45,52,0.9)), url('https://via.placeholder.com/1600x900') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 30px;
            color: var(--dark-color);
            font-weight: 700;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }
        .content-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            padding: 30px;
            margin-bottom: 30px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
        }
        .content-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        .highlight-text {
            background: linear-gradient(120deg, var(--accent-color) 0%, var(--accent-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.4em;
            background-position: 0 88%;
            font-weight: 700;
            padding: 0 3px;
        }
        .game-feature {
            text-align: center;
            padding: 20px;
            border-radius: 12px;
            background: rgba(255,255,255,0.7);
            margin: 15px 0;
            transition: all 0.3s ease;
        }
        .game-feature:hover {
            background: white;
            transform: scale(1.03);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        .image-container {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            margin: 25px 0;
            transition: transform 0.3s ease;
        }
        .image-container:hover {
            transform: scale(1.02);
        }
        .image-caption {
            padding: 10px 15px;
            background: rgba(42,45,52,0.8);
            color: white;
            font-style: italic;
            text-align: center;
        }
        .tip-box {
            background: linear-gradient(135deg, #FFE66D, #FFD166);
            border-left: 5px solid #FF9E00;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        .fact-box {
            background: linear-gradient(135deg, #4ECDC4, #1A936F);
            color: white;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        footer {
            background: var(--dark-color);
            color: white;
            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);
            transition: all 0.3s ease;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--secondary-color);
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .logo-text {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 60px 0;
            }
            .content-card {
                padding: 20px;
            }
        }