:root {
            --color-primary: #7ac74f; /* 植物绿 */
            --color-secondary: #ff9e00; /* 阳光黄 */
            --color-accent: #ff5e3a; /* 僵尸红 */
            --color-light: #f8fff0;
            --color-dark: #1a3c14;
            --color-bg: #f0f9e8;
            --color-card: #ffffff;
            --color-text: #2d5019;
            --color-subtext: #5a8a3a;
            --color-border: #c8e6b5;
            --shadow: 0 10px 30px rgba(122, 199, 79, 0.1);
            --shadow-lg: 0 20px 50px rgba(122, 199, 79, 0.15);
            --radius: 16px;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', 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(122, 199, 79, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(255, 158, 0, 0.05) 0%, transparent 20%);
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 18px 0;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .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-primary), var(--color-secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: bold;
            color: white;
            box-shadow: var(--shadow);
        }
        
        .logo-text h1 {
            font-size: 26px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
            font-weight: 800;
        }
        
        .logo-text p {
            font-size: 14px;
            color: var(--color-subtext);
        }
        
        .nav-links {
            display: flex;
            gap: 35px;
        }
        
        .nav-links a {
            color: var(--color-subtext);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }
        
        .nav-links a:hover, .nav-links a.active {
            color: var(--color-primary);
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            transition: var(--transition);
            border-radius: 2px;
        }
        
        .nav-links a:hover::after, .nav-links a.active::after {
            width: 100%;
        }
        
        /* 浮动下载按钮 */
        .floating-download-btn {
            position: fixed;
            top: 100px;
            right: 30px;
            z-index: 999;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            color: white;
            padding: 16px 28px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-lg);
            transition: var(--transition);
            transform: translateX(150px);
            opacity: 0;
            border: none;
            font-size: 16px;
        }
        
        .floating-download-btn.show {
            transform: translateX(0);
            opacity: 1;
        }
        
        .floating-download-btn:hover {
            transform: translateX(0) translateY(-5px) scale(1.05);
            box-shadow: 0 15px 35px rgba(122, 199, 79, 0.3);
        }
        
        /* 英雄区域 */
        .hero {
            padding: 180px 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 30% 20%, rgba(122, 199, 79, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 70% 80%, rgba(255, 158, 0, 0.08) 0%, transparent 50%);
            z-index: -1;
        }
        
        .hero h2 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
            line-height: 1.2;
        }
        
        .hero-subtitle {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto 40px;
            color: var(--color-subtext);
            line-height: 1.8;
        }
        
        .version-badges {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }
        
        .version-badge {
            background: rgba(255, 255, 255, 0.9);
            padding: 12px 28px;
            border-radius: 50px;
            border: 2px solid var(--color-border);
            font-weight: 600;
            transition: var(--transition);
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .version-badge:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: var(--color-primary);
        }
        
        .btn-hero {
            display: inline-block;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            color: white;
            padding: 20px 50px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 1.2rem;
            font-weight: 700;
            transition: var(--transition);
            box-shadow: var(--shadow-lg);
            border: none;
            cursor: pointer;
            margin-bottom: 30px;
        }
        
        .btn-hero:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(122, 199, 79, 0.3);
        }
        
        /* 游戏特色区域 */
        .section {
            padding: 100px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 2.8rem;
            display: inline-block;
            padding: 0 20px;
            background-color: var(--color-bg);
            position: relative;
            z-index: 1;
            font-weight: 800;
            color: var(--color-text);
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
            transform: translateY(-50%);
            z-index: 0;
        }
        
        /* 融合版特色介绍 */
        .fusion-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 60px 0;
        }
        
        .feature-card {
            background-color: white;
            border-radius: var(--radius);
            padding: 35px 30px;
            transition: var(--transition);
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary);
        }
        
        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            font-size: 30px;
            color: white;
        }
        
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--color-text);
        }
        
        .feature-card p {
            color: var(--color-subtext);
            font-size: 1.05rem;
        }
        
        /* 游戏截图展示 */
        .screenshot-section {
            padding: 60px 0 100px;
        }
        
        .screenshot-container {
            max-width: 1100px;
            margin: 0 auto;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
            border: 1px solid var(--color-border);
            background-color: white;
        }
        
        .screenshot-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0;
        }
        
        .screenshot-item {
            position: relative;
            overflow: hidden;
            height: 300px;
        }
        
        .screenshot-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .screenshot-item:hover img {
            transform: scale(1.05);
        }
        
        .screenshot-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(45, 80, 25, 0.9));
            padding: 20px;
            color: white;
            transform: translateY(100%);
            transition: var(--transition);
        }
        
        .screenshot-item:hover .screenshot-caption {
            transform: translateY(0);
        }
        
        /* 下载引导区 */
        .download-section {
            background-color: white;
            padding: 100px 0;
            border-radius: var(--radius);
            margin: 50px 0;
            box-shadow: var(--shadow);
        }
        
        .download-container {
            max-width: 900px;
            margin: 0 auto;
            background-color: white;
            border-radius: var(--radius);
            padding: 50px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow);
        }
        
        .download-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 30px;
            color: var(--color-text);
            font-weight: 800;
        }
        
        .download-subtitle {
            text-align: center;
            color: var(--color-subtext);
            margin-bottom: 40px;
            font-size: 1.1rem;
        }
        
        .version-info {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .version-item {
            background-color: rgba(122, 199, 79, 0.05);
            padding: 20px 25px;
            border-radius: var(--radius);
            text-align: center;
            min-width: 150px;
            border: 1px solid var(--color-border);
        }
        
        .version-item .label {
            font-size: 0.9rem;
            color: var(--color-subtext);
            margin-bottom: 8px;
        }
        
        .version-item .value {
            font-size: 1.2rem;
            font-weight: bold;
            color: var(--color-primary);
        }
        
        /* 二维码区域 */
        .qr-section {
            display: flex;
            justify-content: center;
            gap: 60px;
            margin: 50px 0;
            flex-wrap: wrap;
            align-items: center;
        }
        
        .qr-box {
            text-align: center;
            max-width: 250px;
        }
        
        .qr-title {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--color-text);
            font-weight: 700;
        }
        
        .qr-code {
            width: 220px;
            height: 220px;
            background-color: white;
            border-radius: 12px;
            margin: 0 auto 20px;
            padding: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #000;
            font-weight: bold;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            border: 1px solid var(--color-border);
        }
        
        .qr-note {
            color: var(--color-subtext);
            font-size: 0.95rem;
            line-height: 1.5;
        }
        
        /* 警告/提示框 */
        .warning-box {
            background-color: rgba(255, 158, 0, 0.05);
            border-left: 4px solid var(--color-secondary);
            padding: 25px;
            margin: 40px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        
        .warning-box h4 {
            color: var(--color-secondary);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
        }
        
        /* 安装步骤 */
        .install-steps {
            display: flex;
            gap: 25px;
            margin: 50px 0;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 30px 20px;
            background-color: rgba(255, 255, 255, 0.9);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        
        .step:hover {
            border-color: var(--color-primary);
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        
        .step-number {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-weight: bold;
            font-size: 1.3rem;
            color: white;
        }
        
        .step h4 {
            margin-bottom: 10px;
            color: var(--color-text);
            font-size: 1.2rem;
        }
        
        .step p {
            color: var(--color-subtext);
            font-size: 0.95rem;
        }
        
        /* 版本对比 */
        .version-comparison {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 60px 0;
        }
        
        .version-card {
            background-color: white;
            border-radius: var(--radius);
            padding: 35px 30px;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border);
            text-align: center;
        }
        
        .version-card.fusion {
            border-top: 5px solid var(--color-primary);
        }
        
        .version-card.original {
            border-top: 5px solid var(--color-subtext);
        }
        
        .version-card h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--color-text);
        }
        
        .version-card ul {
            list-style: none;
            text-align: left;
            margin-top: 25px;
        }
        
        .version-card li {
            margin-bottom: 12px;
            padding-left: 30px;
            position: relative;
            color: var(--color-subtext);
        }
        
        .version-card li:before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-primary);
            font-weight: bold;
        }
        
        /* FAQ区域 */
        .faq-section {
            padding: 80px 0;
        }
        
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            margin-bottom: 20px;
            background-color: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border);
        }
        
        .faq-question {
            padding: 25px 30px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            color: var(--color-text);
        }
        
        .faq-question:hover {
            background-color: rgba(122, 199, 79, 0.02);
        }
        
        .faq-question i {
            transition: var(--transition);
            color: var(--color-primary);
        }
        
        .faq-answer {
            padding: 0 30px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        
        .faq-answer p {
            padding: 25px 0;
            color: var(--color-subtext);
            border-top: 1px solid var(--color-border);
        }
        
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        /* 页脚 */
        footer {
            background-color: white;
            padding: 70px 0 30px;
            margin-top: 80px;
            border-top: 1px solid var(--color-border);
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 50px;
            margin-bottom: 50px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-column h3 {
            color: var(--color-text);
            margin-bottom: 25px;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 15px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: var(--color-subtext);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--color-primary);
            padding-left: 8px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--color-border);
            color: var(--color-subtext);
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .floating-download-btn {
                right: 20px;
                padding: 14px 24px;
                font-size: 0.95rem;
            }
            
            .screenshot-item {
                height: 250px;
            }
        }
        
        @media (max-width: 992px) {
            .hero h2 {
                font-size: 2.8rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .qr-section {
                gap: 40px;
            }
            
            .screenshot-grid {
                grid-template-columns: 1fr;
            }
            
            .screenshot-item {
                height: 300px;
            }
            
            .floating-download-btn {
                top: 90px;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            
            .mobile-menu-btn {
                display: block;
                background: none;
                border: none;
                font-size: 24px;
                color: var(--color-primary);
                cursor: pointer;
            }
        }
        
        @media (max-width: 768px) {
            .hero h2 {
                font-size: 2.3rem;
            }
            
            .hero-subtitle {
                font-size: 1.2rem;
            }
            
            .section-title h2 {
                font-size: 2.2rem;
            }
            
            .download-container {
                padding: 30px 20px;
            }
            
            .fusion-features {
                grid-template-columns: 1fr;
            }
            
            .screenshot-item {
                height: 250px;
            }
            
            .floating-download-btn {
                display: none;
            }
            
            .floating-download-btn.mobile {
                display: flex;
                position: fixed;
                bottom: 20px;
                left: 50%;
                transform: translateX(-50%);
                top: auto;
                right: auto;
                opacity: 1;
                z-index: 1001;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
                width: 90%;
                justify-content: center;
                font-size: 1rem;
            }
            
            .version-comparison {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 480px) {
            .hero h2 {
                font-size: 2rem;
            }
            
            .hero {
                padding: 150px 0 60px;
            }
            
            .qr-code {
                width: 200px;
                height: 200px;
            }
            
            .screenshot-item {
                height: 200px;
            }
            
            .version-badge {
                width: 100%;
                justify-content: center;
            }
        }
        
        .mobile-menu-btn {
            display: none;
        }
        
        @media (max-width: 992px) {
            .mobile-menu-btn {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                transform: translateY(-100%);
                opacity: 0;
                transition: var(--transition);
                border-top: 1px solid var(--color-border);
            }
            
            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
            }
            
            .nav-links a {
                padding: 15px 0;
                border-bottom: 1px solid var(--color-border);
                width: 100%;
            }
            
            .nav-links a:last-child {
                border-bottom: none;
            }
        }