/* 基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', system-ui, sans-serif;
        }
        
        body {
            color: #333;
            line-height: 1.6;
        }
        
        a {
            text-decoration: none;
            color: inherit;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .section {
            padding: 80px 0;
        }
        
        .btn {
            display: inline-block;
            background-color: #165DFF;
            color: white;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 8px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            text-align: center;
        }
        
        .btn:hover {
            background-color: #0E4CD1;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
        }
        
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 20px;
        }
        
        .section-subtitle {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 60px;
            color: #666;
        }
        
        /* 导航栏 */
        #navbar {
            position: fixed;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s ease;
            padding: 20px 0;
            background-color: transparent; /* 初始透明 */
        }
        
        /* 滚动时添加的背景样式 - 使用#165DFF颜色 */
        #navbar.scrolled {
            background-color: #165DFF;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
        }
        
        .navbar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 10px;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            color: white;
            transition: color 0.3s ease;
        }
        
        .nav-links a:hover {
            color: #e0e0e0;
        }
        
        .menu-toggle {
            display: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #165DFF;
            padding: 20px 0;
        }
        
        .mobile-menu.active {
            display: block;
        }
        
        .mobile-links {
            list-style: none;
            text-align: center;
        }
        
        .mobile-links li {
            margin: 15px 0;
        }
        
        .mobile-links a {
            color: white;
            transition: color 0.3s ease;
        }
        
        .mobile-links a:hover {
            color: #e0e0e0;
        }
        
        /* 手机端底部固定悬浮导航 */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: white;
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
            z-index: 999;
            border-radius: 0 0;
            overflow: hidden;
        }
        
        .mobile-nav-links {
            display: flex;
            justify-content: space-around;
            list-style: none;
        }
        
        .mobile-nav-links li {
            flex: 1;
            text-align: center;
        }
        
        .mobile-nav-links a {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 12px 0;
            color: #666;
            font-size: 0.8rem;
            transition: all 0.3s ease;
        }
        
        .mobile-nav-links a:hover,
        .mobile-nav-links a.active {
            color: #165DFF;
            background-color: rgba(22, 93, 255, 0.05);
        }
        
        .mobile-nav-links i {
            font-size: 1.2rem;
            margin-bottom: 5px;
        }
        
        /* 首页/Banner */
        #home {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            color: white;
            text-align: center;
        }
        
        .banner-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }
        
        .banner-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .banner-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(2, 6, 23, 0.7);
        }
        
        .banner-content {
            position: relative;
            z-index: 10;
            max-width: 800px;
            padding: 0 20px;
        }
        
        .banner-content h1 {
            font-size: 3rem;
            margin-bottom: 30px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .banner-content p {
            font-size: 1.25rem;
            margin-bottom: 40px;
            color: rgba(255, 255, 255, 0.9);
        }
        
        .scroll-down {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            color: white;
            animation: bounce 2s infinite;
        }
        
        .scroll-down i {
            font-size: 2rem;
        }
        
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0) translateX(-50%);
            }
            40% {
                transform: translateY(-20px) translateX(-50%);
            }
            60% {
                transform: translateY(-10px) translateX(-50%);
            }
        }
        
        /* 数据统计 */
        #stats {
            background-color: #E7F3FF;
            color: #0F172A;
            position: relative;
        }
        
        .stats-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0.2;
        }
        
        .stats-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .stats-content {
            position: relative;
            z-index: 10;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .stat-item {
            background-color: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 30px;
            text-align: center;
            transition: transform 0.3s ease;
        }
        
        .stat-item:hover {
            transform: scale(1.05);
        }
        
        .stat-item i {
            font-size: 2.5rem;
            color: #165DFF;
            margin-bottom: 20px;
        }
        
        .stat-item h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .stat-item p {
            font-size: 2rem;
            font-weight: 700;
        }
        
        /* 产品介绍 */
        #products {
            background-color: #f8fafc;
        }
        
        .products-slider {
            overflow-x: auto;
            padding: 20px 0;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        
        .products-slider::-webkit-scrollbar {
            display: none;
        }
        
        .products-track {
            display: flex;
            gap: 30px;
            padding: 20px 0;
            width: max-content;
        }
        
        .product-card {
            width: 260px;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            overflow: hidden;
            flex-shrink: 0;
            transition: box-shadow 0.3s ease;
        }
        
        .product-card:hover {
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .product-header {
            padding: 30px;
            color: white;
        }
        
        .product-header.standard {
            background-color: #165DFF;
        }
        
        .product-header.enterprise {
            background-color: #3B82F6;
            position: relative;
        }
        
        .product-header.custom {
            background-color: #0F172A;
        }
        
        .product-popular {
            position: absolute;
            top: 0;
            right: 0;
            background-color: #3B82F6;
            color: white;
            padding: 5px 15px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        .product-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        
        .product-price {
            font-size: 2rem;
            font-weight: 700;
        }
        
        .product-price span {
            font-size: 1rem;
            opacity: 0.8;
            margin-left: 5px;
        }
        
        .product-body {
            padding: 30px;
        }
        
        .product-features {
            list-style: none;
            margin-bottom: 30px;
        }
        
        .product-features li {
            margin-bottom: 15px;
            display: flex;
            align-items: start;
        }
        
        .product-features i {
            color: #22c55e;
            margin-right: 10px;
            margin-top: 3px;
        }
        
        /* 测试模式 */
        #testing-modes {
            background-color: white;
        }
        
        .modes-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .mode-card {
            background-color: #f8fafc;
            border-radius: 10px;
            padding: 30px;
            border: 1px solid #e2e8f0;
            transition: box-shadow 0.3s ease;
        }
        
        .mode-card:hover {
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        }
        
        .mode-icon {
            width: 60px;
            height: 60px;
            /*background-color: rgba(22, 93, 255, 0.1);*/
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        
        .mode-icon i {
            font-size: 1.5rem;
            color: #165DFF;
        }
        
        .mode-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        
        .mode-desc {
            color: #666;
        }
        
        /* 联系我们 */
        #contact {
            background-color: #0F172A;
            color: white;
            position: relative;
        }
        
        .contact-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0.1;
        }
        
        .contact-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .contact-content {
            position: relative;
            z-index: 10;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .contact-wrapper {
            background-color: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 40px;
        }
        
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        
        .contact-info h3 {
            font-size: 1.5rem;
            margin-bottom: 30px;
        }
        
        .contact-item {
            display: flex;
            align-items: start;
            margin-bottom: 25px;
        }
        
        .contact-icon {
            width: 40px;
            height: 40px;
            background-color: rgba(22, 93, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
        }
        
        .contact-icon i {
            color: #165DFF;
        }
        
        .contact-details h4 {
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .contact-details p {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .working-hours {
            margin-top: 40px;
        }
        
        .working-hours h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        
        .working-hours p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 10px;
        }
        
        .contact-form h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        
        .contact-form p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 30px;
        }
        
        .contact-form .btn {
            width: 100%;
            padding: 15px;
            font-size: 1rem;
        }
        
        /* 页脚 */
        footer {
            background-color: #020617;
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .footer-logo i {
            margin-right: 10px;
        }
        
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }
        
        .footer-links h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        
        .footer-links ul {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
            width: 50%;
            float: left;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.3s ease;
        }
        
        .footer-links a:hover {
            color: #165DFF;
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            body{
            padding-bottom: 70px;
            }
            .section-title {
                font-size: 2rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .menu-toggle {
                display: block;
            }
            
            .banner-content h1 {
                font-size: 2.2rem;
            }
            
            .banner-content p {
                font-size: 1rem;
            }
            
            .contact-grid {
                grid-template-columns: 1fr;
            }
            
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            
            .modes-grid {
                grid-template-columns: 1fr;
            }
            
            /* 手机端显示底部导航 */
            .mobile-bottom-nav {
                display: block;
            }
        }
        
        @media (max-width: 480px) {
            .section {
                padding: 60px 0;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            .product-card {
                width: 280px;
            }
            
            .contact-wrapper {
                padding: 20px;
            }
        }