/* 基础样式补充 */
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            scroll-behavior: smooth;
        }
        /* 右侧悬浮联系框样式 */
        .float-contact {
            position: fixed;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 9999;
        }
        .contact-item {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 15px 0;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            transition: all 0.3s ease;
        }
        .contact-item:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 16px rgba(0,0,0,0.2);
        }
        /* 翻译插件容器样式（隐藏默认谷歌翻译框，使用自定义导航按钮） */
        #google_translate_element {
            display: none; /* 隐藏默认谷歌翻译组件，仅用自定义切换按钮 */
        }
        /* 语言下拉菜单样式 */
        .language-dropdown {
            position: relative;
        }
        .lang-dropdown-menu {
            position: absolute;
            top: 100%;
            right: 0;
            background: white;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            width: 160px;
            padding: 4px 0;
            z-index: 999;
            display: none;
        }
        .lang-dropdown-menu.active {
            display: block;
        }
        .lang-item {
            padding: 8px 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: background-color 0.2s ease;
        }
        .lang-item:hover {
            background-color: #f3f4f6;
        }
        /* 响应式调整 */
        @media (max-width: 768px) {
            .float-contact {
                right: 10px;
            }
            .contact-item {
                width: 50px;
                height: 50px;
                margin: 10px 0;
            }
            /* 移动端语言菜单适配 */
            .lang-dropdown-menu {
                right: -20px;
            }
        }
        
        
        /*首页产品中心*/
        
        
        
        
        /*首页样式*/
        
        /* 核心父容器：about-us */
        .about-us {
            width: 100%;
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 英雄区样式 */
        .about-us .hero {
            height: 60vh;
            background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1628157588553-eea4e60b5f85?ixlib=rb-4.0.3&auto=format&fit=crop&w=1440&q=80') center/cover no-repeat;
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            color: #ffffff;
            margin: 20px 0;
            border-radius: 10px;
        }

        .about-us .hero-content h1 {
            font-size: 48px;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .about-us .hero-content p {
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto;
        }

        /* 公司简介样式 */
        .about-us .company-intro {
            background-color: #ffffff;
            padding: 60px 40px;
            margin: 40px 0;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }

        .about-us .intro-text {
            flex: 1;
            min-width: 300px;
        }

        .about-us .intro-text h2 {
            font-size: 32px;
            color: #2c3e50;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .about-us .intro-text h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 80px;
            height: 3px;
            background-color: #3498db;
        }

        .about-us .intro-text p {
            margin-bottom: 15px;
            font-size: 16px;
            color: #555;
        }

        .about-us .intro-image {
            flex: 1;
            min-width: 300px;
        }

        .about-us .intro-image img {
            width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }

        /* 核心优势样式 */
        .about-us .core-advantages {
            margin: 60px 0;
            text-align: center;
        }

        .about-us .core-advantages h2 {
            font-size: 32px;
            color: #2c3e50;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            padding-bottom: 10px;
        }

        .about-us .core-advantages h2::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 80px;
            height: 3px;
            background-color: #3498db;
        }

        .about-us .advantages-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .about-us .advantage-card {
            background-color: #ffffff;
            padding: 30px 20px;
            width: calc(33.333% - 20px);
            min-width: 280px;
            border-radius: 10px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .about-us .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .about-us .advantage-card i {
            font-size: 40px;
            color: #3498db;
            margin-bottom: 20px;
        }

        .about-us .advantage-card h3 {
            font-size: 20px;
            color: #2c3e50;
            margin-bottom: 15px;
        }

        .about-us .advantage-card p {
            color: #555;
            font-size: 15px;
        }

        /* 团队介绍样式 */
        .about-us .team-section {
            background-color: #ffffff;
            padding: 60px 40px;
            margin: 60px 0;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            text-align: center;
        }

        .about-us .team-section h2 {
            font-size: 32px;
            color: #2c3e50;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            padding-bottom: 10px;
        }

        .about-us .team-section h2::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 80px;
            height: 3px;
            background-color: #3498db;
        }

        .about-us .team-members {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .about-us .team-member {
            width: calc(25% - 22.5px);
            min-width: 220px;
        }

        .about-us .member-img {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            overflow: hidden;
            margin: 0 auto 20px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }

        .about-us .member-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .about-us .team-member:hover .member-img img {
            transform: scale(1.05);
        }

        .about-us .member-info h3 {
            font-size: 18px;
            color: #2c3e50;
            margin-bottom: 5px;
        }

        .about-us .member-info p {
            color: #7f8c8d;
            font-size: 14px;
            margin-bottom: 10px;
        }

        /* 发展历程样式 */
        .about-us .timeline-section {
            margin: 60px 0;
        }

        .about-us .timeline-section h2 {
            font-size: 32px;
            color: #2c3e50;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            padding-bottom: 10px;
            left: 50%;
            transform: translateX(-50%);
        }

        .about-us .timeline-section h2::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 80px;
            height: 3px;
            background-color: #3498db;
        }

        .about-us .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }

        .about-us .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: #3498db;
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
            border-radius: 3px;
        }

        .about-us .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }

        .about-us .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: #ffffff;
            border: 4px solid #3498db;
            border-radius: 50%;
            top: 15px;
            z-index: 1;
        }

        .about-us .left {
            left: 0;
        }

        .about-us .right {
            left: 50%;
        }

        .about-us .left::after {
            right: -13px;
        }

        .about-us .right::after {
            left: -13px;
        }

        .about-us .timeline-content {
            padding: 20px;
            background-color: #ffffff;
            border-radius: 10px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }

        .about-us .timeline-content h3 {
            font-size: 18px;
            color: #2c3e50;
            margin-bottom: 10px;
        }

        .about-us .timeline-content p {
            color: #555;
            font-size: 15px;
        }

        .about-us .timeline-date {
            font-weight: bold;
            color: #3498db;
            margin-bottom: 5px;
        }

        /* 联系我们样式 */
        .about-us .contact-section {
            background-color: #2c3e50;
            color: #ffffff;
            padding: 60px 40px;
            margin: 60px 0;
            border-radius: 10px;
            text-align: center;
        }

        .about-us .contact-section h2 {
            font-size: 32px;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            padding-bottom: 10px;
        }

        .about-us .contact-section h2::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 80px;
            height: 3px;
            background-color: #3498db;
        }

        .about-us .contact-info {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
            margin-bottom: 40px;
        }

        .about-us .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            min-width: 250px;
        }

        .about-us .contact-item i {
            font-size: 24px;
            color: #3498db;
        }

        .about-us .contact-item p {
            font-size: 16px;
        }

        /* 页脚样式（仅保留版权信息，移除导航链接） */
        .about-us .footer {
            background-color: #2c3e50;
            color: #ffffff;
            padding: 30px 0;
            text-align: center;
            margin-top: 40px;
            border-radius: 10px 10px 0 0;
        }

        .about-us .footer p {
            margin-bottom: 10px;
            font-size: 14px;
        }

        /* 响应式媒体查询 - 平板设备 (最大宽度768px) */
        @media (max-width: 768px) {
            .about-us .hero-content h1 {
                font-size: 36px;
            }

            .about-us .hero-content p {
                font-size: 16px;
            }

            .about-us .advantage-card {
                width: calc(50% - 15px);
            }

            .about-us .team-member {
                width: calc(50% - 15px);
            }

            .about-us .timeline::after {
                left: 31px;
            }

            .about-us .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }

            .about-us .timeline-item.right {
                left: 0;
            }

            .about-us .left::after, .about-us .right::after {
                left: 18px;
            }
        }

        /* 响应式媒体查询 - 移动设备 (最大宽度480px) */
        @media (max-width: 480px) {
            .about-us .hero {
                height: 50vh;
            }

            .about-us .hero-content h1 {
                font-size: 28px;
            }

            .about-us .company-intro {
                padding: 30px 20px;
            }

            .about-us .advantage-card {
                width: 100%;
            }

            .about-us .team-member {
                width: 100%;
            }

            .about-us .contact-item {
                flex-direction: column;
                text-align: center;
            }
        }
        /*关于我们*/
        
            /* 产品模块核心样式 index-product1 */
        .index-product1 {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 标题区域 */
        .index-product1__title {
            text-align: center;
            margin-bottom: 40px;
        }

        .index-product1__title h2 {
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 8px;
            color: #000;
        }

        .index-product1__title p {
            font-size: 14px;
            color: #666;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .index-product1__title .divider {
            display: inline-block;
            width: 30px;
            height: 2px;
            background-color: #ccc;
        }

        /* 产品网格布局 */
        .index-product1__grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        /* 产品卡片 */
        .index-product1__item {
            text-align: center;
        }

        .index-product1__img-box {
    
            border-radius: 4px;
            padding: 20px;
            margin-bottom: 12px;
            height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .index-product1__img-box img {
            max-width: 100%;
      
            object-fit: contain;
        }

        .index-product1__name {
            font-size: 16px;
            color: #333;
            font-weight: 500;
        }

        /* 查看更多按钮 */
        .index-product1__btn {
            text-align: center;
        }

        .index-product1__btn a {
            display: inline-block;
            padding: 10px 30px;
            background: linear-gradient(to right, #0066cc, #0099ff);
            color: #fff;
            text-decoration: none;
            border-radius: 25px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .index-product1__btn a:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 102, 204, 0.3);
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .index-product1__title h2 {
                font-size: 24px;
            }

            .index-product1__grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
                gap: 15px;
            }

            .index-product1__img-box {
                height: 180px;
                padding: 15px;
            }
        }

        @media (max-width: 480px) {
            .index-product1__title h2 {
                font-size: 20px;
            }

            .index-product1__grid {
                grid-template-columns: 1fr;
            }

            .index-product1__img-box {
                height: 160px;
            }
        }
        /*产品中心*/
          /* 页面头部 */
        .header1 {
            background-color: #2c3e50;
            color: #fff;
            padding: 1rem 0;
            text-align: center;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        .header1 h1 {
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }

        .header1 p {
            font-size: 1rem;
            opacity: 0.8;
        }
        /*联系我们*/
        
              /* 主体内容样式 - contact-us开头（核心保留） */
        .contact-us-main {
            padding: 4rem 0;
        }

        .contact-us-container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
        }

        /* 联系信息侧边栏 */
        .contact-us-info {
            flex: 1;
            min-width: 300px;
        }

        .contact-us-info h2 {
            font-size: 2rem;
            color: #2c3e50;
            margin-bottom: 2rem;
            position: relative;
            padding-bottom: 1rem;
        }

        .contact-us-info h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 3px;
            background-color: #3498db;
        }

        .contact-us-info-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1.5rem;
        }

        .contact-us-info-icon {
            font-size: 1.2rem;
            color: #3498db;
            margin-right: 1rem;
            margin-top: 0.3rem;
            width: 20px;
            text-align: center;
        }

        .contact-us-info-text h3 {
            font-size: 1.1rem;
            color: #2c3e50;
            margin-bottom: 0.5rem;
        }

        .contact-us-info-text p {
            color: #7f8c8d;
            font-size: 0.95rem;
        }

        .contact-us-social {
            margin-top: 2rem;
        }

        .contact-us-social h3 {
            font-size: 1.1rem;
            color: #2c3e50;
            margin-bottom: 1rem;
        }

        .contact-us-social-links a {
            color: #7f8c8d;
            font-size: 1.3rem;
            margin-right: 1rem;
            transition: color 0.3s ease, transform 0.3s ease;
        }

        .contact-us-social-links a:hover {
            color: #3498db;
            transform: translateY(-3px);
        }

        /* 联系表单样式 */
        .contact-us-form {
            flex: 2;
            min-width: 300px;
            background-color: white;
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }

        .contact-us-form h2 {
            font-size: 2rem;
            color: #2c3e50;
            margin-bottom: 2rem;
            text-align: center;
        }

        .contact-us-form-group {
            margin-bottom: 1.5rem;
        }

        .contact-us-form-label {
            display: block;
            margin-bottom: 0.5rem;
            color: #2c3e50;
            font-weight: 500;
            font-size: 0.95rem;
        }

        .contact-us-form-input,
        .contact-us-form-textarea {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 0.95rem;
            color: #333;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .contact-us-form-input:focus,
        .contact-us-form-textarea:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
        }

        .contact-us-form-textarea {
            min-height: 150px;
            resize: vertical;
        }

        .contact-us-form-submit {
            display: inline-block;
            background-color: #3498db;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.3s ease, transform 0.2s ease;
            width: 100%;
        }

        .contact-us-form-submit:hover {
            background-color: #2980b9;
        }

        .contact-us-form-submit:active {
            transform: scale(0.98);
        }

        /* 自适应媒体查询 */
        @media (max-width: 768px) {
            .contact-us-container {
                flex-direction: column;
                gap: 2rem;
            }

            .contact-us-form {
                padding: 1.8rem;
            }

            .contact-us-info h2,
            .contact-us-form h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 480px) {
            .contact-us-main {
                padding: 2rem 0;
            }
        }
        /*客户案例*/
          /* 核心容器 - 包裹左侧菜单和右侧展示 */
        .case-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            gap: 2rem;
            padding: 0 1rem;
        }

        /* 左侧菜单 - case-left */
        .case-left {
            width: 280px;
            background-color: #ffffff;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            padding: 1.5rem;
            flex-shrink: 0;
        }

        .case-menu-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: #1a237e;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e3f2fd;
        }

        .case-menu-list {
            list-style: none;
            margin-bottom: 2rem;
        }

        .case-menu-item {
            margin: 0.8rem 0;
        }

        .case-menu-link {
            display: block;
            padding: 0.7rem 1rem;
            text-decoration: none;
            color: #555;
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .case-menu-link.active {
            background-color: #1a237e;
            color: #ffffff;
            box-shadow: 0 2px 4px rgba(26, 35, 126, 0.2);
        }

        .case-menu-link:hover:not(.active) {
            background-color: #f0f7ff;
            color: #1a237e;
            padding-left: 1.2rem;
        }

        .case-contact-card {
            background-color: #e3f2fd;
            border-radius: 6px;
            padding: 1.2rem;
            margin-top: 1rem;
        }

        .case-contact-title {
            font-size: 1rem;
            font-weight: 600;
            color: #1a237e;
            margin-bottom: 0.8rem;
        }

        .case-contact-info {
            font-size: 0.9rem;
            color: #444;
            margin-bottom: 0.5rem;
        }

        .case-contact-btn {
            display: inline-block;
            margin-top: 0.8rem;
            padding: 0.6rem 1rem;
            background-color: #1a237e;
            color: #ffffff;
            text-decoration: none;
            border-radius: 4px;
            font-size: 0.9rem;
            transition: background-color 0.3s ease;
        }

        .case-contact-btn:hover {
            background-color: #283593;
        }

        /* 右侧案例展示 - case-right */
        .case-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .case-page-title {
            font-size: 2rem;
            font-weight: 700;
            color: #1a237e;
            margin-bottom: 0.5rem;
        }

        .case-page-desc {
            font-size: 1.05rem;
            color: #666;
            margin-bottom: 1rem;
        }

        /* 案例画廊 - 网格布局 */
        .case-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        /* 案例卡片 */
        .case-card {
            background-color: #ffffff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

        .case-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            transition: opacity 0.3s ease;
        }

        .case-card:hover .case-card-img {
            opacity: 0.95;
        }

        .case-card-content {
            padding: 1.2rem;
        }

        .case-card-tag {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            background-color: #e3f2fd;
            color: #1a237e;
            font-size: 0.8rem;
            border-radius: 20px;
            margin-bottom: 0.8rem;
        }

        .case-card-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: #222;
            margin-bottom: 0.6rem;
        }

        .case-card-desc {
            font-size: 0.95rem;
            color: #666;
            margin-bottom: 1rem;
            line-height: 1.7;
        }

        .case-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #888;
            margin-bottom: 1rem;
        }

        .case-card-btn {
            display: inline-block;
            padding: 0.6rem 1.2rem;
            background-color: #1a237e;
            color: #ffffff;
            text-decoration: none;
            border-radius: 4px;
            font-size: 0.9rem;
            transition: background-color 0.3s ease;
        }

        .case-card-btn:hover {
            background-color: #283593;
        }

        /* 分页组件 */
        .case-pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.5rem;
            margin-top: 2rem;
        }

        .case-page-btn {
            padding: 0.6rem 1rem;
            background-color: #ffffff;
            color: #1a237e;
            border: 1px solid #e3f2fd;
            border-radius: 4px;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .case-page-btn.active {
            background-color: #1a237e;
            color: #ffffff;
            border-color: #1a237e;
        }

        .case-page-btn:hover:not(.active) {
            background-color: #f0f7ff;
            border-color: #1a237e;
        }

        /* 自适应媒体查询 - 响应式布局 */
        @media (max-width: 1200px) {
            .case-gallery {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .case-wrapper {
                flex-direction: column; /* 移动端左右布局变上下布局 */
            }

            .case-left {
                width: 100%; /* 左侧菜单全屏宽度 */
            }

            .case-gallery {
                grid-template-columns: 1fr; /* 移动端案例卡片单列展示 */
            }
        }
        /*新闻中心*/
             /* 页面头部样式 */
        .news-header {
            background-color: #1a365d;
            color: #fff;
            padding: 1.5rem 5%;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .news-header h1 {
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }

        .news-header p {
            opacity: 0.8;
            font-size: 1rem;
        }

        /* 核心容器样式（包含左右布局） */
        .news-container {
            display: flex;
            gap: 2rem;
            padding: 2rem 5%;
            max-width: 1440px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        /* 左侧菜单样式（news-left） */
        .news-left {
            flex: 1;
            min-width: 280px;
            max-width: 320px;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            padding: 1.5rem;
        }

        .news-left-title {
            font-size: 1.25rem;
            color: #1a365d;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid #e1e8ed;
            margin-bottom: 1.5rem;
            font-weight: 600;
        }

        .news-menu {
            list-style: none;
        }

        .news-menu-item {
            margin-bottom: 0.8rem;
        }

        .news-menu-link {
            display: block;
            padding: 0.8rem 1rem;
            color: #4a5568;
            text-decoration: none;
            border-radius: 6px;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .news-menu-link:hover {
            background-color: #e1e8ed;
            color: #1a365d;
            transform: translateX(3px);
        }

        .news-menu-link.active {
            background-color: #1a365d;
            color: #fff;
        }

        .news-left-contact {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 2px solid #e1e8ed;
        }

        .news-contact-title {
            font-size: 1rem;
            color: #1a365d;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .news-contact-info {
            font-size: 0.9rem;
            color: #4a5568;
        }

        .news-contact-info p {
            margin-bottom: 0.5rem;
        }

        /* 右侧新闻展示样式（news-right） */
        .news-right {
            flex: 3;
            min-width: 320px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        /* 新闻卡片样式 */
        .news-card {
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
        }

        .news-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid #e1e8ed;
        }

        .news-card-content {
            padding: 1.2rem;
        }

        .news-card-date {
            font-size: 0.85rem;
            color: #718096;
            margin-bottom: 0.5rem;
            display: inline-block;
        }

        .news-card-category {
            font-size: 0.85rem;
            color: #1a365d;
            background-color: #e1e8ed;
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            margin-left: 0.8rem;
            display: inline-block;
        }

        .news-card-title {
            font-size: 1.1rem;
            color: #1a365d;
            margin: 0.8rem 0;
            font-weight: 600;
            line-height: 1.4;
        }

        .news-card-excerpt {
            font-size: 0.95rem;
            color: #4a5568;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-btn {
            display: inline-block;
            padding: 0.6rem 1.2rem;
            background-color: #1a365d;
            color: #fff;
            text-decoration: none;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background-color 0.3s ease;
        }

        .news-card-btn:hover {
            background-color: #2c5282;
        }

        /* 分页样式 */
        .news-pagination {
            grid-column: 1 / -1;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1rem;
        }

        .news-page-btn {
            padding: 0.6rem 1rem;
            background-color: #fff;
            border: 1px solid #e1e8ed;
            border-radius: 6px;
            color: #1a365d;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .news-page-btn:hover {
            background-color: #e1e8ed;
        }

        .news-page-btn.active {
            background-color: #1a365d;
            color: #fff;
            border-color: #1a365d;
        }

  /* 响应式样式（移动端适配） */
        @media (max-width: 768px) {
            .news-container {
                flex-direction: column;
                padding: 1.5rem 3%;
                gap: 1.5rem;
            }

            .news-left {
                max-width: 100%;
                min-width: 100%;
            }

            .news-right {
                grid-template-columns: 1fr;
            }

            .news-header h1 {
                font-size: 1.5rem;
            }
        }
        
        /*产品详情*/
        /* 页面容器 */
        .product-detail-wrapper {
            max-width: 1440px;
            margin: 0 auto;
            padding: 20px 15px;
        }

        /* 头部样式 */
        .product-detail-header {
            text-align: center;
            padding: 20px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid #e1e4e8;
        }

        .product-detail-header h1 {
            color: #1a2b48;
            font-size: 2.2rem;
            margin-bottom: 10px;
        }

        .product-detail-header p {
            color: #6b7c93;
            font-size: 1.1rem;
        }

        /* 核心布局容器 - 弹性布局实现自适应 */
        .product-detail-container {
            display: flex;
            gap: 30px;
            width: 100%;
        }

        /* 左侧菜单 - product-detail-left */
        .product-detail-left {
            width: 280px;
            flex-shrink: 0; /* 桌面端不收缩 */
            background-color: #ffffff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
            padding: 25px;
            height: fit-content;
        }

        /* 左侧菜单标题 */
        .product-detail-left-title {
            font-size: 1.3rem;
            color: #1a2b48;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid #2c6ecb;
        }

        /* 左侧菜单列表 */
        .product-detail-left-menu {
            list-style: none;
        }

        .product-detail-left-menu-item {
            margin-bottom: 15px;
        }

        .product-detail-left-menu-link {
            display: block;
            color: #6b7c93;
            text-decoration: none;
            font-size: 1rem;
            padding: 10px 12px;
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .product-detail-left-menu-link:hover {
            color: #2c6ecb;
            background-color: #f0f5ff;
        }

        .product-detail-left-menu-link.active {
            color: #ffffff;
            background-color: #2c6ecb;
            font-weight: 600;
        }

        /* 左侧菜单附加信息 */
        .product-detail-left-contact {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #e1e4e8;
        }

        .product-detail-left-contact h3 {
            font-size: 1.1rem;
            color: #1a2b48;
            margin-bottom: 15px;
        }

        .product-detail-left-contact p {
            color: #6b7c93;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .product-detail-left-contact i {
            color: #2c6ecb;
        }

        /* 右侧产品展示 - product-detail-right */
        .product-detail-right {
            flex: 1; /* 占据剩余宽度 */
            background-color: #ffffff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
            padding: 30px;
        }

        /* 产品主图 */
        .product-detail-right-main-img {
            width: 100%;
            height: 450px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 25px;
        }

        /* 产品图片轮播 */
        .product-detail-right-img-carousel {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
            overflow-x: auto;
            padding-bottom: 10px;
        }

        .product-detail-right-img-item {
            width: 120px;
            height: 100px;
            object-fit: cover;
            border-radius: 4px;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.3s ease;
        }

        .product-detail-right-img-item:hover,
        .product-detail-right-img-item.active {
            border-color: #2c6ecb;
        }

        /* 产品基本信息 */
        .product-detail-right-info {
            margin-bottom: 30px;
        }

        .product-detail-right-info h2 {
            font-size: 1.8rem;
            color: #1a2b48;
            margin-bottom: 15px;
        }

        .product-detail-right-price {
            font-size: 1.6rem;
            color: #e74c3c;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .product-detail-right-price span {
            font-size: 1rem;
            color: #6b7c93;
            text-decoration: line-through;
            font-weight: 400;
            margin-left: 10px;
        }

        .product-detail-right-desc {
            color: #555;
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 25px;
            text-align: justify;
        }

        /* 产品规格参数表 */
        .product-detail-right-spec {
            margin-bottom: 30px;
        }

        .product-detail-right-spec h3 {
            font-size: 1.4rem;
            color: #1a2b48;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e1e4e8;
        }

        .product-detail-right-spec-table {
            width: 100%;
            border-collapse: collapse;
        }

        .product-detail-right-spec-table th,
        .product-detail-right-spec-table td {
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid #f0f0f0;
        }

        .product-detail-right-spec-table th {
            background-color: #f8f9fa;
            color: #1a2b48;
            font-weight: 600;
            width: 30%;
        }

        .product-detail-right-spec-table td {
            color: #555;
        }

        /* 产品特点 */
        .product-detail-right-features {
            margin-bottom: 30px;
        }

        .product-detail-right-features h3 {
            font-size: 1.4rem;
            color: #1a2b48;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e1e4e8;
        }

        .product-detail-right-features-list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
        }

        .product-detail-right-features-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #555;
        }

        .product-detail-right-features-item i {
            color: #27ae60;
            font-size: 1.2rem;
        }

        /* 相关产品推荐 */
        .product-detail-right-related {
            margin-bottom: 30px;
        }

        .product-detail-right-related h3 {
            font-size: 1.4rem;
            color: #1a2b48;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e1e4e8;
        }

        .product-detail-right-related-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .product-detail-right-related-item {
            background-color: #f8f9fa;
            border-radius: 6px;
            padding: 15px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .product-detail-right-related-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }

        .product-detail-right-related-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .product-detail-right-related-name {
            color: #1a2b48;
            font-weight: 600;
            margin-bottom: 8px;
            text-decoration: none;
            display: inline-block;
        }

        .product-detail-right-related-name:hover {
            color: #2c6ecb;
        }

        .product-detail-right-related-price {
            color: #e74c3c;
            font-weight: 500;
        }

        /* 购买与咨询按钮 */
        .product-detail-right-actions {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .product-detail-right-btn {
            padding: 12px 30px;
            border: none;
            border-radius: 4px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .product-detail-right-btn-buy {
            background-color: #2c6ecb;
            color: #ffffff;
        }

        .product-detail-right-btn-buy:hover {
            background-color: #1e5aa8;
        }

        .product-detail-right-btn-inquire {
            background-color: transparent;
            color: #2c6ecb;
            border: 2px solid #2c6ecb;
        }

        .product-detail-right-btn-inquire:hover {
            background-color: #f0f5ff;
        }

        /* 媒体查询 - 自适应布局（平板/移动端） */
        @media (max-width: 992px) {
            .product-detail-left {
                width: 240px;
            }

            .product-detail-right-main-img {
                height: 380px;
            }
        }

        @media (max-width: 768px) {
            /* 移动端改为上下布局 */
            .product-detail-container {
                flex-direction: column;
                gap: 20px;
            }

            .product-detail-left {
                width: 100%;
            }

            .product-detail-right-main-img {
                height: 300px;
            }

            .product-detail-header h1 {
                font-size: 1.8rem;
            }

            .product-detail-right-info h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 576px) {
            .product-detail-wrapper {
                padding: 15px 10px;
            }

            .product-detail-left {
                padding: 20px;
            }

            .product-detail-right {
                padding: 20px;
            }

            .product-detail-right-main-img {
                height: 250px;
            }

            .product-detail-right-actions {
                flex-direction: column;
            }

            .product-detail-right-features-list {
                grid-template-columns: 1fr;
            }
        }
        /*新闻中心*/
        
            /* 页面容器 */
        .news-detail-wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 15px;
        }

        /* 核心布局容器 - 左右分栏 */
        .news-detail-container {
            display: flex;
            gap: 25px;
            margin-top: 20px;
        }

        /* 左侧菜单 - news-detail-left */
        .news-detail-left {
            width: 280px;
            flex-shrink: 0;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
            padding: 25px 20px;
        }

        /* 左侧菜单标题 */
        .news-detail-left-title {
            font-size: 18px;
            font-weight: 700;
            color: #2f5496;
            padding-bottom: 15px;
            border-bottom: 2px solid #e8edf3;
            margin-bottom: 20px;
            text-align: center;
        }

        /* 左侧导航列表 */
        .news-detail-nav {
            list-style: none;
        }

        .news-detail-nav-item {
            margin-bottom: 12px;
        }

        .news-detail-nav-link {
            display: block;
            padding: 12px 15px;
            color: #555;
            text-decoration: none;
            border-radius: 6px;
            transition: all 0.3s ease;
            font-size: 14px;
        }

        .news-detail-nav-link.active {
            background-color: #2f5496;
            color: #fff;
            font-weight: 500;
        }

        .news-detail-nav-link:hover:not(.active) {
            background-color: #f0f5ff;
            color: #2f5496;
            padding-left: 20px;
        }

        /* 左侧热门新闻推荐 */
        .news-detail-left-hot {
            margin-top: 35px;
        }

        .news-detail-hot-title {
            font-size: 16px;
            font-weight: 600;
            color: #333;
            margin-bottom: 15px;
            padding-left: 5px;
            border-left: 3px solid #2f5496;
        }

        .news-detail-hot-list {
            list-style: none;
        }

        .news-detail-hot-item {
            margin-bottom: 10px;
            padding-bottom: 10px;
            border-bottom: 1px dashed #e8edf3;
        }

        .news-detail-hot-link {
            color: #666;
            text-decoration: none;
            font-size: 13px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.3s ease;
        }

        .news-detail-hot-link:hover {
            color: #2f5496;
        }

        .news-detail-hot-time {
            font-size: 12px;
            color: #999;
            margin-top: 5px;
        }

        /* 左侧联系方式 */
        .news-detail-left-contact {
            margin-top: 35px;
            padding-top: 20px;
            border-top: 1px solid #e8edf3;
        }

        .news-detail-contact-title {
            font-size: 16px;
            font-weight: 600;
            color: #333;
            margin-bottom: 15px;
            text-align: center;
        }

        .news-detail-contact-info {
            font-size: 13px;
            color: #666;
            line-height: 2;
        }

        .news-detail-contact-info i {
            color: #2f5496;
            margin-right: 8px;
        }

        /* 右侧新闻详情 - news-detail-right */
        .news-detail-right {
            flex: 1;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
            padding: 30px 35px;
        }

        /* 新闻头部信息 */
        .news-detail-news-header {
            margin-bottom: 25px;
            text-align: center;
        }

        .news-detail-news-title {
            font-size: 24px;
            font-weight: 700;
            color: #222;
            margin-bottom: 15px;
            line-height: 1.3;
        }

        .news-detail-news-meta {
            font-size: 13px;
            color: #999;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .news-detail-meta-item {
            display: flex;
            align-items: center;
        }

        .news-detail-meta-item i {
            margin-right: 5px;
            color: #bbb;
        }

        /* 新闻封面图 */
        .news-detail-news-cover {
            width: 100%;
            height: auto;
            max-height: 500px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 30px;
        }

        /* 新闻正文内容 */
        .news-detail-news-content {
            font-size: 15px;
            color: #444;
            line-height: 1.8;
        }

        .news-detail-content-paragraph {
            margin-bottom: 20px;
            text-indent: 2em;
        }

        .news-detail-content-subtitle {
            font-size: 18px;
            font-weight: 600;
            color: #2f5496;
            margin: 30px 0 15px 0;
            padding-left: 10px;
            border-left: 3px solid #2f5496;
        }

        .news-detail-content-list {
            margin: 15px 0 25px 35px;
        }

        .news-detail-content-list li {
            margin-bottom: 10px;
        }

        .news-detail-content-img {
            width: 80%;
            height: auto;
            margin: 20px auto;
            display: block;
            border-radius: 6px;
        }

        /* 新闻上下篇导航 */
        .news-detail-news-nav {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #e8edf3;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 15px;
        }

        .news-detail-nav-prev,
        .news-detail-nav-next {
            display: flex;
            align-items: center;
            color: #666;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .news-detail-nav-prev i,
        .news-detail-nav-next i {
            margin-right: 8px;
            color: #2f5496;
        }

        .news-detail-nav-next i {
            margin-right: 0;
            margin-left: 8px;
        }

        .news-detail-nav-prev:hover,
        .news-detail-nav-next:hover {
            color: #2f5496;
        }

        /* 相关新闻推荐 */
        .news-detail-related-news {
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid #e8edf3;
        }

        .news-detail-related-title {
            font-size: 18px;
            font-weight: 600;
            color: #333;
            margin-bottom: 20px;
            padding-left: 5px;
            border-left: 3px solid #2f5496;
        }

        .news-detail-related-list {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .news-detail-related-item {
            width: calc(33.333% - 14px);
            background-color: #f9fbff;
            border-radius: 6px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .news-detail-related-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }

        .news-detail-related-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .news-detail-related-content {
            padding: 15px;
        }

        .news-detail-related-item-title {
            font-size: 14px;
            font-weight: 500;
            color: #333;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-detail-related-item-time {
            font-size: 12px;
            color: #999;
        }

        /* 自适应媒体查询 - 移动端适配 */
        @media (max-width: 768px) {
            .news-detail-container {
                flex-direction: column;
                gap: 20px;
            }

            .news-detail-left {
                width: 100%;
            }

            .news-detail-right {
                padding: 20px 15px;
            }

            .news-detail-news-title {
                font-size: 20px;
            }

            .news-detail-news-cover {
                max-height: 300px;
            }

            .news-detail-content-img {
                width: 100%;
            }

            .news-detail-related-item {
                width: calc(50% - 10px);
            }
        }

        @media (max-width: 480px) {
            .news-detail-related-item {
                width: 100%;
            }

            .news-detail-news-meta {
                flex-direction: column;
                gap: 5px;
            }
        }