  /* 全局样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary-color: #4c6ef5;
            --secondary-color: #37b24d;
            --accent-color: #fa5252;
            --text-color: #333;
            --text-light: #777;
            --bg-color: #f9f9f9;
            --white: #fff;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        
        body {
            font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--bg-color);
        }
        
        /* 容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部导航 */
        header {
            background-color: var(--white);
            box-shadow: var(--shadow);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        
        .logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        
        .logo:hover {
            transform: scale(1.05);
        }
        
        .logo i {
            margin-right: 10px;
            font-size: 32px;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.1);
            }
            100% {
                transform: scale(1);
            }
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 30px;
        }
        
        nav ul li a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        
        nav ul li a:hover {
            color: var(--primary-color);
        }
        
        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }
        
        nav ul li a:hover::after {
            width: 100%;
        }
        
        .download-btn {
            background-color: var(--primary-color);
            color: var(--white);
            padding: 10px 25px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(76, 110, 245, 0.3);
            display: inline-flex;
            align-items: center;
        }
        
        .download-btn:hover {
            background-color: #364fc7;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(76, 110, 245, 0.4);
        }
        
        .download-btn i {
            margin-right: 10px;
        }
        
        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text-color);
        }
        
        /* 英雄区域 */
        .hero {
            padding: 150px 0 100px;
            background: linear-gradient(135deg, #4c6ef5 0%, #364fc7 100%);
            position: relative;
            overflow: hidden;
            margin-top: 80px;
            color: var(--white);
        }
        
        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            z-index: 2;
        }
        
        .hero-text {
            max-width: 500px;
        }
        
        .hero-text h1 {
            font-size: 48px;
            margin-bottom: 20px;
            line-height: 1.2;
            animation: fadeInUp 0.8s ease-out;
        }
        
        .hero-text p {
            font-size: 18px;
            margin-bottom: 30px;
            color: rgba(255, 255, 255, 0.9);
            animation: fadeInUp 0.8s ease-out 0.2s both;
        }
        
        .hero-buttons {
            display: flex;
            gap: 20px;
            animation: fadeInUp 0.8s ease-out 0.4s both;
        }
        
        .primary-btn {
            background-color: var(--white);
            color: var(--primary-color);
            padding: 15px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
            display: inline-flex;
            align-items: center;
        }
        
        .primary-btn:hover {
            background-color: var(--bg-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
        }
        
        .primary-btn i {
            margin-right: 10px;
        }
        
        .secondary-btn {
            background-color: transparent;
            color: var(--white);
            padding: 15px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--white);
            display: inline-flex;
            align-items: center;
        }
        
        .secondary-btn:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }
        
        .secondary-btn i {
            margin-right: 10px;
        }
        
        .hero-image {
            max-width: 500px;
            position: relative;
            animation: fadeInRight 0.8s ease-out;
        }
        
        .hero-image img {
            width: 100%;
           
        }
        
        @keyframes float {
            0% {
                transform: translateY(0px) rotate(0deg);
            }
            50% {
                transform: translateY(-20px) rotate(2deg);
            }
            100% {
                transform: translateY(0px) rotate(0deg);
            }
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        /* 背景装饰 */
        .hero::before,
        .hero::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            z-index: 1;
        }
        
        .hero::before {
            width: 400px;
            height: 400px;
            top: -100px;
            right: -100px;
        }
        
        .hero::after {
            width: 200px;
            height: 200px;
            bottom: -50px;
            left: 10%;
        }
        
        /* 特性部分 */
        .features {
            padding: 100px 0;
            background-color: var(--white);
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 36px;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
            color: var(--text-color);
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--primary-color);
        }
        
        .section-title p {
            font-size: 16px;
            color: var(--text-light);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        .feature-card {
            background-color: var(--bg-color);
            padding: 30px;
            border-radius: 15px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background-color: var(--primary-color);
            transition: var(--transition);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .feature-card:hover::before {
            height: 100%;
        }
        
        .feature-icon {
            font-size: 48px;
            color: var(--primary-color);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        
        .feature-card:hover .feature-icon {
            transform: scale(1.2) rotate(10deg);
            color: var(--secondary-color);
        }
        
        .feature-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--text-color);
        }
        
        .feature-card p {
            color: var(--text-light);
            font-size: 15px;
        }
        
        /* 软件展示 */
        .software-showcase {
            padding: 100px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            color: var(--text-color);
        }
        
        .software-showcase .section-title h2::after {
            background-color: var(--primary-color);
        }
        
        .showcase-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 50px;
        }
        
        .showcase-image {
            max-width: 500px;
            order: 2;
        }
        
        .showcase-image img {
            width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        
        .showcase-image img:hover {
            transform: scale(1.05);
        }
        
        .showcase-details {
            max-width: 500px;
            order: 1;
        }
        
        .showcase-details h3 {
            font-size: 28px;
            margin-bottom: 20px;
        }
        
        .showcase-details p {
            font-size: 16px;
            margin-bottom: 20px;
            color: var(--text-light);
        }
        
        .showcase-details ul {
            list-style: none;
            margin-bottom: 30px;
        }
        
        .showcase-details ul li {
            margin-bottom: 15px;
            padding-left: 35px;
            position: relative;
            color: var(--text-color);
            font-weight: 500;
        }
        
        .showcase-details ul li::before {
            content: '?';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
            font-size: 20px;
            background-color: rgba(76, 110, 245, 0.1);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            top: 2px;
        }
        
        /* 下载部分 */
        .download-section {
            padding: 100px 0;
            background-color: var(--white);
            position: relative;
            overflow: hidden;
        }
        
        .download-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            position: relative;
            z-index: 2;
        }
        
        .download-card {
            background-color: var(--bg-color);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }
        
        .download-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        }
        
        .download-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .download-card-header {
            background-color: var(--white);
            padding: 20px;
            text-align: center;
            color: var(--primary-color);
        }
        
        .download-card-header i {
            font-size: 48px;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        
        .download-card:hover .download-card-header i {
            transform: scale(1.2);
        }
        
        .download-card-header h3 {
            font-size: 20px;
        }
        
        .download-card-body {
            padding: 20px;
        }
        
        .download-card-body p {
            margin-bottom: 20px;
            color: var(--text-light);
        }
        
        .download-card-body ul {
            list-style: none;
            margin-bottom: 20px;
        }
        
        .download-card-body ul li {
            margin-bottom: 10px;
            padding-left: 25px;
            position: relative;
            font-size: 14px;
            color: var(--text-light);
        }
        
        .download-card-body ul li::before {
            content: '?';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
            font-size: 20px;
        }
        
        .download-card-footer {
            padding: 0 20px 20px;
        }
        
        .download-card-footer .download-btn {
            display: block;
            text-align: center;
        }
        
        /* 版本更新列表板块 */
        .updates-section {
            padding: 100px 0;
            background-color: var(--bg-color);
        }
        
        .updates-container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .update-cards {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .update-card {
            background-color: var(--white);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .update-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .update-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .update-version {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-color);
        }
        
        .update-date {
            font-size: 14px;
            color: var(--text-light);
            background-color: rgba(76, 110, 245, 0.1);
            padding: 5px 15px;
            border-radius: 20px;
        }
        
        .update-changes h4 {
            font-size: 16px;
            margin-bottom: 10px;
            color: var(--text-color);
        }
        
        .update-changes ul {
            list-style: none;
            padding-left: 0;
        }
        
        .update-changes ul li {
            margin-bottom: 8px;
            padding-left: 25px;
            position: relative;
            font-size: 15px;
            color: var(--text-light);
        }
        
        .update-changes ul li::before {
            content: '?';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
            font-size: 20px;
        }
        
        .view-all-updates {
            text-align: center;
            margin-top: 40px;
        }
        
        .view-all-updates a {
            display: inline-block;
            background-color: transparent;
            color: var(--primary-color);
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--primary-color);
        }
        
        .view-all-updates a:hover {
            background-color: var(--primary-color);
            color: var(--white);
            transform: translateY(-3px);
        }
        
        /* 客户评价 */
        .testimonials {
            padding: 100px 0;
            background-color: var(--white);
            position: relative;
            overflow: hidden;
        }
        
        .testimonials::before,
        .testimonials::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            background: rgba(76, 110, 245, 0.05);
            z-index: 1;
        }
        
        .testimonials::before {
            width: 500px;
            height: 500px;
            top: -250px;
            right: -250px;
        }
        
        .testimonials::after {
            width: 300px;
            height: 300px;
            bottom: -150px;
            left: -150px;
        }
        
        .testimonials-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            position: relative;
            z-index: 2;
        }
        
        .testimonial-card {
            background-color: var(--bg-color);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .testimonial-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 100px;
            color: rgba(76, 110, 245, 0.1);
            font-weight: bold;
            line-height: 1;
        }
        
        .testimonial-text {
            margin-bottom: 20px;
            font-size: 16px;
            color: var(--text-color);
            position: relative;
            z-index: 2;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-image {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            overflow: hidden;
            margin-right: 15px;
        }
        
        .author-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .author-info h4 {
            font-size: 16px;
            margin-bottom: 5px;
            color: var(--text-color);
        }
        
        .author-info p {
            font-size: 14px;
            color: var(--text-light);
        }
        
        /* 常见问题 */
        .faq {
            padding: 100px 0;
            background-color: var(--bg-color);
        }
        
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            margin-bottom: 20px;
            background-color: var(--white);
            border-radius: 10px;
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .faq-question {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        
        .faq-question:hover {
            background-color: #f5f5f5;
        }
        
        .faq-question i {
            transition: var(--transition);
            color: var(--primary-color);
        }
        
        .faq-answer {
            padding: 0 20px 20px;
            color: var(--text-light);
            display: none;
        }
        
        .faq-item.active .faq-answer {
            display: block;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        /* 页脚 */
        footer {
            background-color: #2c3e50;
            color: var(--white);
            padding: 50px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }
        
        .footer-column h3 {
            font-size: 18px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--primary-color);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-column ul li a:hover {
            color: var(--white);
            padding-left: 5px;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
        }
        
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--white);
            transition: var(--transition);
        }
        
        .social-links a:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero-content,
            .showcase-content {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-buttons {
                justify-content: center;
            }
            
            .features-grid,
            .download-cards,
            .footer-content,
            .testimonials-container {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .showcase-image,
            .showcase-details {
                order: initial;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                background-color: var(--white);
                padding: 20px 0;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
                transition: var(--transition);
            }
            
            nav.active {
                left: 0;
            }
            
            nav ul {
                flex-direction: column;
                align-items: center;
            }
            
            nav ul li {
                margin: 15px 0;
            }
            
            .features-grid,
            .download-cards,
            .footer-content,
            .testimonials-container {
                grid-template-columns: 1fr;
            }
            
            .hero-text h1 {
                font-size: 36px;
            }
            
            .section-title h2 {
                font-size: 28px;
            }
        }