/* 重置样式 - 兼容IE和移动端 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: "Microsoft YaHei", Arial, sans-serif;
            font-size: 14px;
            line-height: 1.6;
            color: #333;
            background-color: #f5f7fa;
            min-width: 320px;
        }
        
        /* 布局容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
            overflow: hidden;
        }
        
        /* 清除浮动 - 兼容IE */
        .clearfix:after {
            content: "";
            display: table;
            clear: both;
        }
        
        /* 语言选择器 */
        .language-selector {
            float: right;
            margin-right: 20px;
            position: relative;
        }
        
        .language-btn {
            background: rgba(255,255,255,0.1);
            color: white;
            border: 1px solid rgba(255,255,255,0.3);
            padding: 8px 15px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            display: flex;
            align-items: center;
            transition: all 0.3s;
        }
        
        .language-btn:hover {
            background: rgba(255,255,255,0.2);
        }
        
        .language-btn:after {
            content: '▼';
            margin-left: 5px;
            font-size: 10px;
        }
        
        .language-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            background: white;
            border-radius: 4px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            width: 180px;
            z-index: 1000;
            display: none;
            max-height: 300px;
            overflow-y: auto;
        }
        
        .show {
            display: block;
        }
        
        .language-option {
            display: block;
            padding: 10px 15px;
            color: #333;
            text-decoration: none;
            border-bottom: 1px solid #eee;
            transition: all 0.3s;
        }
        
        .language-option:hover {
            background: #f5f7fa;
            color: #4da6ff;
        }
        
        .language-option:last-child {
            border-bottom: none;
        }
        
        /* 头部和导航 */
        header {
            background-color: #003366;
            color: white;
            padding: 15px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            position: relative;
        }
        
        .header-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
            overflow: hidden;
        }
        
        .logo {
            float: left;
            font-size: 20px;
            font-weight: bold;
            line-height: 40px;
        }
        
        .logo span {
            color: #4da6ff;
        }
        
        /* 移动端导航菜单 */
        .mobile-menu-btn {
            display: none;
            float: right;
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
            padding: 5px 10px;
        }
        
        nav {
            float: right;
        }
        
        nav ul {
            list-style: none;
            margin-top: 5px;
        }
        
        nav ul li {
            float: left;
            margin-left: 20px;
            position: relative;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 5px 0;
            display: block;
            transition: color 0.3s;
            position: relative;
        }
        
        nav ul li a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: #4da6ff;
            bottom: 0;
            left: 0;
            transition: width 0.3s;
        }
        
        nav ul li a:hover {
            color: #4da6ff;
        }
        
        nav ul li a:hover:after {
            width: 100%;
        }
        
        /* 顶部电话条 */
        .top-phone-bar {
            background: #002244;
            color: white;
            padding: 8px 0;
            text-align: center;
            font-size: 14px;
        }
        
        .phone-number {
            font-size: 18px;
            font-weight: bold;
            color: #4da6ff;
            margin: 0 10px;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            transition: all 0.3s;
        }
        
        .phone-number:hover {
            color: #3399ff;
            transform: scale(1.05);
        }
        
        .phone-number:before {
            content: '📞';
            margin-right: 5px;
        }
        
        /* 浮动电话按钮 */
        .floating-phone {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #4da6ff;
            color: white;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            z-index: 999;
            cursor: pointer;
            transition: all 0.3s;
            animation: pulse 2s infinite;
            text-decoration: none;
        }
        
        .floating-phone:hover {
            background: #3399ff;
            transform: scale(1.1);
        }
        
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(77, 166, 255, 0.7);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(77, 166, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(77, 166, 255, 0);
            }
        }
        
        /* Banner区域 */
        .banner {
            background: #003366 url('https://www.ximadianji.cn/Uploads/5fcdf8dc27f76.jpg') no-repeat center center;
            background-size: cover;
            color: white;
            text-align: center;
            padding: 150px 0;
            position: relative;
        }
        
        .banner:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 51, 102, 0.7);
        }
        
        .banner .container {
            position: relative;
            z-index: 1;
        }
        
        .banner h1 {
            font-size: 36px;
            margin-bottom: 20px;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
        }
        
        .banner p {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto 30px;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
        }
        
        /* 动态按钮样式 */
        .btn {
            display: inline-block;
            background-color: #4da6ff;
            color: white;
            padding: 12px 30px;
            text-decoration: none;
            font-weight: bold;
            border-radius: 4px;
            position: relative;
            overflow: hidden;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .btn:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s;
        }
        
        .btn:hover {
            background-color: #3399ff;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        
        .btn:hover:before {
            left: 100%;
        }
        
        .btn:active {
            transform: translateY(1px);
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        /* 主要内容区域 */
        section {
            padding: 60px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .section-title h2 {
            font-size: 28px;
            color: #003366;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            width: 70px;
            height: 3px;
            background-color: #4da6ff;
            bottom: -10px;
            left: 50%;
            margin-left: -35px;
        }
        
        /* 产品展示 */
        .products {
            background-color: white;
        }
        
        .product-grid {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -15px;
        }
        
        .product-card {
            width: calc(25% - 30px);
            margin: 0 15px 30px;
            background-color: white;
            border: 1px solid #eaeaea;
            border-radius: 5px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .product-img {
            height: 200px;
            background-color: #f0f5fa;
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        
        .product-img img {
            max-width: 80%;
            max-height: 80%;
            transition: transform 0.5s;
        }
        
        .product-card:hover .product-img img {
            transform: scale(1.05);
        }
        
        .product-info {
            padding: 20px;
        }
        
        .product-info h3 {
            color: #003366;
            margin-bottom: 10px;
            font-size: 18px;
        }
        
        .product-info p {
            color: #666;
            font-size: 14px;
            margin-bottom: 15px;
        }
        
        .product-features {
            list-style: none;
            margin-bottom: 15px;
        }
        
        .product-features li {
            font-size: 13px;
            color: #777;
            margin-bottom: 5px;
            padding-left: 15px;
            position: relative;
        }
        
        .product-features li:before {
            content: '&';
            color: #4da6ff;
            position: absolute;
            left: 0;
        }
        
        /* 公司简介 */
        .about {
            background-color: #f0f5fa;
        }
        
        .about-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }
        
        .about-text {
            flex: 1;
            min-width: 300px;
            padding-right: 30px;
        }
        
        .about-image {
            flex: 1;
            min-width: 300px;
            height: 350px;
            background-color: #ddd;
            border-radius: 5px;
            overflow: hidden;
        }
        
        .about-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        /* 新闻资讯 */
        .news {
            background-color: white;
        }
        
        .news-grid {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -15px;
        }
        
        .news-card {
            width: calc(33.333% - 30px);
            margin: 0 15px 30px;
            background-color: white;
            border: 1px solid #eaeaea;
            border-radius: 5px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .news-img {
            height: 180px;
            background-color: #f0f5fa;
            overflow: hidden;
        }
        
        .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .news-card:hover .news-img img {
            transform: scale(1.05);
        }
        
        .news-info {
            padding: 20px;
        }
        
        .news-date {
            color: #4da6ff;
            font-size: 14px;
            margin-bottom: 10px;
        }
        
        .news-info h3 {
            color: #003366;
            margin-bottom: 10px;
            font-size: 18px;
        }
        
        /* 成功案例 */
        .cases {
            background-color: #f0f5fa;
        }
        
        .case-grid {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -15px;
        }
        
        .case-card {
            width: calc(33.333% - 30px);
            margin: 0 15px 30px;
            background-color: white;
            border: 1px solid #eaeaea;
            border-radius: 5px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .case-img {
            height: 200px;
            background-color: #f0f5fa;
            overflow: hidden;
        }
        
        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .case-card:hover .case-img img {
            transform: scale(1.05);
        }
        
        .case-info {
            padding: 20px;
        }
        
        .case-info h3 {
            color: #003366;
            margin-bottom: 10px;
            font-size: 18px;
        }
        
        /* 营销网络 */
        .network {
            background-color: white;
        }
        
        .network-content {
            text-align: center;
            max-width: 490px;
            margin: 0 auto;
        }
        
        .network-map {
            height: 403px;
            background-color: #f0f5fa;
            margin-bottom: 30px;
            border-radius: 5px;
            overflow: hidden;
        }
        
        .network-map img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        /* 联系我们 */
        .contact {
            background-color: #003366;
            color: white;
        }
        
        .contact .section-title h2 {
            color: white;
        }
        
        .contact-content {
            display: flex;
            flex-wrap: wrap;
        }
        
        .contact-info {
            flex: 1;
            min-width: 300px;
            padding-right: 30px;
        }
        
        .contact-form {
            flex: 1;
            min-width: 300px;
        }
        
        .contact-item {
            display: flex;
            margin-bottom: 20px;
            align-items: flex-start;
        }
        
        .contact-icon {
            width: 40px;
            height: 40px;
            background-color: #4da6ff;
            text-align: center;
            line-height: 40px;
            margin-right: 15px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: none;
            border-radius: 4px;
            font-size: 14px;
            transition: box-shadow 0.3s;
        }
        
        .form-control:focus {
            outline: none;
            box-shadow: 0 0 0 2px rgba(77, 166, 255, 0.5);
        }
        
        textarea.form-control {
            height: 120px;
            resize: vertical;
        }
        
        /* 页脚 */
        footer {
            background-color: #002244;
            color: #ccc;
            padding: 40px 0 20px;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
            padding-right: 20px;
        }
        
        .footer-column h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 18px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: #4da6ff;
        }
        
        .footer-languages {
            display: flex;
            flex-wrap: wrap;
            margin-top: 15px;
        }
        
        .footer-language {
            margin-right: 10px;
            margin-bottom: 10px;
        }
        
        .footer-language a {
            display: block;
            padding: 5px 10px;
            background: rgba(255,255,255,0.1);
            border-radius: 3px;
            color: #ccc;
            text-decoration: none;
            font-size: 12px;
            transition: all 0.3s;
        }
        
        .footer-language a:hover {
            background: #4da6ff;
            color: white;
        }
        
        .link {
            margin: 20px 0;
            color: #ccc;
        }
        
        .link a {
            color: #4da6ff;
            margin: 0 5px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .container, .header-container {
                padding: 0 15px;
            }
        }
        
        @media (max-width: 992px) {
            .product-card {
                width: calc(50% - 30px);
            }
            
            .news-card, .case-card {
                width: calc(50% - 30px);
            }
            
            .about-text, .about-image {
                flex: 100%;
                padding-right: 0;
                margin-bottom: 30px;
            }
            
            .about-image {
                height: 300px;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            .language-selector {
                display: none;
            }
            
            .mobile-language-selector {
                display: block;
                margin-top: 15px;
            }
            
            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #003366;
                z-index: 1000;
                padding: 15px;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            }
            
            nav.active {
                display: block;
            }
            
            nav ul {
                margin-top: 0;
            }
            
            nav ul li {
                float: none;
                margin: 0 0 10px 0;
            }
            
            nav ul li:last-child {
                margin-bottom: 0;
            }
            
            .banner {
                padding: 80px 0;
            }
            
            .banner h1 {
                font-size: 28px;
            }
            
            .banner p {
                font-size: 16px;
                padding: 0 15px;
            }
            
            section {
                padding: 40px 0;
            }
            
            .section-title h2 {
                font-size: 24px;
            }
            
            .product-card, .news-card, .case-card {
                width: 100%;
                margin: 0 0 20px 0;
            }
            
            .contact-info, .contact-form {
                flex: 100%;
                padding-right: 0;
                margin-bottom: 30px;
            }
            
            .network-map {
                height: 300px;
            }
            
            .floating-phone {
                bottom: 20px;
                right: 20px;
                width: 50px;
                height: 50px;
                font-size: 20px;
            }
        }
        
        @media (max-width: 480px) {
            .logo {
                font-size: 18px;
            }
            
            .banner {
                padding: 60px 0;
            }
            
            .banner h1 {
                font-size: 24px;
            }
            
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            
            .product-img, .news-img, .case-img {
                height: 150px;
            }
            
            .about-image {
                height: 200px;
            }
            
            .phone-number {
                font-size: 16px;
            }
        }