:root {
            --pixel-size: 2px;
            --color-earth: #8B7355;
            --color-grass: #7CFC00;
            --color-sky: #87CEEB;
            --color-water: #1E90FF;
            --color-lava: #FF4500;
            --color-pixel-border: #333;
            --color-text: #F0F0F0;
            --color-bg: #1a1a2e;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(27, 49, 77, 0.3) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(139, 115, 85, 0.2) 0%, transparent 20%);
        }
        
        .pixel-font {
            font-family: 'Press Start 2P', cursive;
            letter-spacing: 1px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 像素边框效果 */
        .pixel-border {
            border: var(--pixel-size) solid var(--color-pixel-border);
            position: relative;
            background-color: #2d2d44;
        }
        
        .pixel-border::before {
            content: '';
            position: absolute;
            top: calc(-2 * var(--pixel-size));
            left: calc(-2 * var(--pixel-size));
            right: calc(-2 * var(--pixel-size));
            bottom: calc(-2 * var(--pixel-size));
            border: var(--pixel-size) solid var(--color-pixel-border);
            z-index: -1;
        }
        
        .pixel-button {
            display: inline-block;
            background-color: var(--color-grass);
            color: #000;
            padding: 12px 24px;
            border: var(--pixel-size) solid var(--color-pixel-border);
            font-family: 'Press Start 2P', cursive;
            font-size: 14px;
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            text-align: center;
            letter-spacing: 1px;
        }
        
        .pixel-button:hover {
            background-color: #9AFF9A;
            transform: translateY(-2px);
            box-shadow: 0 6px 0 #333;
        }
        
        .pixel-button:active {
            transform: translateY(1px);
            box-shadow: 0 2px 0 #333;
        }
        
        /* 头部导航 */
        header {
            background-color: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: var(--pixel-size) solid var(--color-pixel-border);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .logo-img {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--color-earth), var(--color-lava));
            border: var(--pixel-size) solid var(--color-pixel-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Press Start 2P', cursive;
            font-size: 24px;
            color: #fff;
        }
        
        .logo-text h1 {
            font-size: 24px;
            color: var(--color-grass);
            margin-bottom: 5px;
        }
        
        .logo-text p {
            font-size: 12px;
            color: #aaa;
        }
        
        .nav-links {
            display: flex;
            gap: 30px;
        }
        
        .nav-links a {
            color: #ddd;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }
        
        .nav-links a:hover, .nav-links a.active {
            color: var(--color-grass);
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-grass);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 24px;
            cursor: pointer;
        }
        
        /* 英雄区域 */
        .hero {
            padding: 120px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 70% 20%, rgba(124, 252, 0, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 30% 80%, rgba(255, 69, 0, 0.1) 0%, transparent 50%);
            z-index: -1;
        }
        
        .hero h2 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            color: #fff;
            text-shadow: 4px 4px 0 #000;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 40px;
            color: #ccc;
        }
        
        .hero-tags {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        
        .hero-tag {
            background-color: rgba(139, 115, 85, 0.3);
            padding: 8px 20px;
            border-radius: 0;
            border: var(--pixel-size) solid var(--color-pixel-border);
            font-size: 0.9rem;
        }
        
        /* 游戏介绍区域 */
        .section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            display: inline-block;
            padding: 0 20px;
            background-color: var(--color-bg);
            position: relative;
            z-index: 1;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 4px;
            background-color: var(--color-earth);
            transform: translateY(-50%);
            z-index: 0;
        }
        
        /* 游戏特色网格 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }
        
        .feature-card {
            background-color: #2d2d44;
            border: var(--pixel-size) solid var(--color-pixel-border);
            padding: 30px;
            transition: var(--transition);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
            border-color: var(--color-grass);
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background-color: var(--color-earth);
            border: var(--pixel-size) solid var(--color-pixel-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 24px;
        }
        
        .feature-card h3 {
            color: var(--color-grass);
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        
        /* 世界类型展示 */
        .world-types {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 60px;
        }
        
        .world-card {
            flex: 1;
            min-width: 250px;
            background-color: #2d2d44;
            border: var(--pixel-size) solid var(--color-pixel-border);
            padding: 25px;
            text-align: center;
        }
        
        .world-card h3 {
            color: var(--color-grass);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .world-size {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin: 20px 0;
        }
        
        .size-option {
            padding: 8px 15px;
            background-color: rgba(139, 115, 85, 0.3);
            border: var(--pixel-size) solid var(--color-pixel-border);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .size-option.active {
            background-color: var(--color-earth);
            border-color: var(--color-grass);
        }
        
        .difficulty {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 15px;
            flex-wrap: wrap;
        }
        
        .diff-option {
            padding: 5px 10px;
            background-color: rgba(255, 69, 0, 0.2);
            border: var(--pixel-size) solid var(--color-pixel-border);
            font-size: 0.8rem;
        }
        
        /* 下载区域 */
        .download-section {
            background-color: rgba(26, 26, 46, 0.8);
            padding: 80px 0;
            text-align: center;
        }
        
        .download-container {
            max-width: 900px;
            margin: 0 auto;
            background-color: #2d2d44;
            border: var(--pixel-size) solid var(--color-pixel-border);
            padding: 40px;
            position: relative;
        }
        
        .download-container::before {
            content: '';
            position: absolute;
            top: calc(-2 * var(--pixel-size));
            left: calc(-2 * var(--pixel-size));
            right: calc(-2 * var(--pixel-size));
            bottom: calc(-2 * var(--pixel-size));
            border: var(--pixel-size) solid var(--color-pixel-border);
            z-index: -1;
        }
        
        .download-title {
            color: var(--color-grass);
            font-size: 2rem;
            margin-bottom: 30px;
        }
        
        .version-info {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        
        .version-item {
            background-color: rgba(139, 115, 85, 0.3);
            padding: 15px 25px;
            border: var(--pixel-size) solid var(--color-pixel-border);
        }
        
        .qr-section {
            display: flex;
            justify-content: center;
            gap: 50px;
            margin: 40px 0;
            flex-wrap: wrap;
            align-items: center;
        }
        
        .qr-box {
            text-align: center;
        }
        
        .qr-code {
            width: 200px;
            height: 200px;
            background-color: #fff;
            border: var(--pixel-size) solid var(--color-pixel-border);
            margin: 0 auto 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #000;
            font-weight: bold;
            padding: 10px;
        }
        
        .warning-box {
            background-color: rgba(255, 69, 0, 0.1);
            border-left: 4px solid var(--color-lava);
            padding: 20px;
            margin: 30px 0;
            text-align: left;
        }
        
        .warning-box h4 {
            color: var(--color-lava);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        /* 安装步骤 */
        .install-steps {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 40px 0;
            flex-wrap: wrap;
        }
        
        .step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 20px;
            background-color: rgba(139, 115, 85, 0.1);
            border: var(--pixel-size) solid var(--color-pixel-border);
        }
        
        .step-number {
            width: 40px;
            height: 40px;
            background-color: var(--color-earth);
            border: var(--pixel-size) solid var(--color-pixel-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-family: 'Press Start 2P', cursive;
            font-size: 16px;
        }
        
        /* 页脚 */
        footer {
            background-color: rgba(0, 0, 0, 0.9);
            padding: 60px 0 30px;
            border-top: var(--pixel-size) solid var(--color-pixel-border);
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-column h3 {
            color: var(--color-grass);
            margin-bottom: 25px;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--color-earth);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--color-grass);
            padding-left: 5px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: var(--pixel-size) solid rgba(255, 255, 255, 0.05);
            color: #777;
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero h2 {
                font-size: 2.8rem;
            }
            
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: rgba(26, 26, 46, 0.98);
                flex-direction: column;
                padding: 20px;
                border-top: var(--pixel-size) solid var(--color-pixel-border);
                border-bottom: var(--pixel-size) solid var(--color-pixel-border);
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links a {
                padding: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .qr-section {
                gap: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .hero h2 {
                font-size: 2.2rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .download-container {
                padding: 30px 20px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .world-types {
                flex-direction: column;
            }
        }
        
        @media (max-width: 480px) {
            .hero h2 {
                font-size: 1.8rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .qr-code {
                width: 180px;
                height: 180px;
            }
        }
 
  /* 游戏截图展示区域样式 */
    .game-image-section {
        margin-top: 30px;
        padding: 25px;
        background-color: rgba(45, 45, 68, 0.5);
        border: var(--pixel-size) solid var(--color-pixel-border);
    }
    
    .screenshot-container {
        display: flex;
        flex-direction: column;
        gap: 25px;
    }
    
    .screenshot-placeholder {
        width: 100%;
        height: 350px;
        background-color: #1a1a2e;
        border: var(--pixel-size) solid var(--color-pixel-border);
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        overflow: hidden;
    }
    
    .screenshot-placeholder-content {
        text-align: center;
        z-index: 2;
    }
    
    .screenshot-placeholder::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(45deg, transparent 48%, rgba(124, 252, 0, 0.1) 50%, transparent 52%);
        background-size: 20px 20px;
        z-index: 1;
    }
    
    .screenshot-thumbnails {
        display: flex;
        justify-content: center;
        gap: 15px;
        flex-wrap: wrap;
    }
    
    .thumbnail {
        cursor: pointer;
        text-align: center;
        transition: var(--transition);
        width: 120px;
    }
    
    .thumbnail:hover {
        transform: translateY(-5px);
    }
    
    .thumbnail.active {
        border-bottom: 3px solid var(--color-grass);
    }
    
    .thumbnail-placeholder {
        width: 100%;
        height: 80px;
        border: var(--pixel-size) solid var(--color-pixel-border);
        margin-bottom: 8px;
    }
    
    .thumbnail p {
        font-size: 12px;
        color: #ccc;
    }
    
    /* 响应式调整 */
    @media (max-width: 768px) {
        .screenshot-placeholder {
            height: 250px;
        }
        
        .thumbnail {
            width: 100px;
        }
        
        .thumbnail-placeholder {
            height: 60px;
        }
    }
    
    @media (max-width: 480px) {
        .screenshot-placeholder {
            height: 200px;
        }
        
        .screenshot-thumbnails {
            gap: 10px;
        }
        
        .thumbnail {
            width: 80px;
        }
        
        .thumbnail-placeholder {
            height: 50px;
        }
    }