* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
        }
        
        :root {
            --primary-color: #1D2088;
            --secondary-color: #3A3DB6;
            --accent-color: #FF6B35;
            --light-color: #F5F7FA;
            --dark-color: #333333;
            --gray-color: #777777;
            --max-width: 1400px;
        }
        
        body {
            color: var(--dark-color);
            line-height: 1.6;
            background-color: #f9f9f9;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        ul {
            list-style: none;
        }
        
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 10px;
        }
        
        .section-title {
            font-size: 28px;
            color: var(--primary-color);
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--accent-color);
            position: relative;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 100px;
            height: 3px;
            background-color: var(--primary-color);
        }
        
        /* 导航栏样式 - 两行布局 */
        header {
            background-color: var(--primary-color);
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .top-bar {
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
            padding: 8px 0;
            font-size: 14px;
        }
        
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .top-contact span {
            margin-right: 20px;
        }
        
        .top-contact i {
            margin-right: 5px;
        }
        
        /* Logo和使命区域 */
        .logo-section {
            background-color:#EFEFEF;
            padding: 15px 0;
        }
        
        .logo-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo-wrapper {
            display: flex;
            align-items: center;
        }
        
        .logo-img {
            height: 60px;
            width: auto;
        }
        
        .logo-text {
            margin-left: 15px;
        }
        
        .logo-text h1 {
            color: var(--primary-color);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 5px;
        }
        
        .logo-text p {
            color: var(--gray-color);
            font-size: 14px;
        }
        
        /* 企业使命图片 */
        .mission-img {
            height: 80px;
            width: auto;
            object-fit: contain;
        }
        
        /* 导航菜单行 */
        .nav-container {
            background-color: var(--primary-color);
            padding: 0;
        }
        
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .nav-menu {
            display: flex;
        }
        
        .nav-item {
            position: relative;
        }
        
        .nav-link {
            color: white;
            padding: 18px 24px;
            display: block;
            font-weight: 500;
            font-size: 16px;
        }
        
        .nav-link:hover {
            background-color: var(--secondary-color);
        }
        
        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: white;
            min-width: 220px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 100;
        }
        
        .nav-item:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .dropdown-item {
            display: block;
            padding: 12px 20px;
            color: var(--dark-color);
            border-bottom: 1px solid #eee;
        }
        
        .dropdown-item:hover {
            background-color: #f5f5f5;
            color: var(--primary-color);
        }
        
        .dropdown-item i {
            margin-right: 8px;
            width: 20px;
            text-align: center;
        }
        
        .mobile-toggle {
            display: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
        }
        
        .search-box {
            display: flex;
            align-items: center;
        }
        
        .search-box input {
            padding: 8px 12px;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 14px;
        }
        
        .search-box button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .search-box button:hover {
            background-color: #e55a2b;
        }
        
        /* 纯图片轮播区域 - 已添加链接功能 */
        .banner {
            height: 467px;
            position: relative;
            overflow: hidden;
			max-width:1400px;
			margin:4px auto 0 auto;
        }
        
        .banner-slider {
            width: 100%;
            height: 100%;
            position: relative;
        }
        
        .banner-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease;
            background-size: cover;
            background-position: center;
			z-index: 1; 
        }
        
        .banner-slide.active {
            opacity: 1;
			z-index: 2;
        }
        
        /* 添加链接覆盖层 */
        .banner-link {
            display: block;
            width: 100%;
            height: 100%;
            position: relative;
        }
        
        .banner-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: white;
            text-align: center;
            max-width: 800px;
            width: 100%;
            padding: 0 20px;
        }
        
        .banner-content h1 {
            font-size: 48px;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .banner-content p {
            font-size: 20px;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--accent-color);
            color: white;
            border-radius: 4px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .btn:hover {
            background-color: #e55a2b;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        
        .banner-controls {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
			z-index: 3; 
        }
        
        .banner-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .banner-dot.active {
            background-color: white;
            transform: scale(1.2);
        }
        
        /* 第三节：核心产业板块 - 修复首屏显示5个 */
        .core-industries {
            padding: 40px 0;
            background-color: var(--light-color);
        }
        
        .industries-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
        }
        
        .industries-slider {
            overflow: hidden;
            position: relative;
        }
        
        .industries-wrapper {
            display: flex;
            transition: transform 0.5s ease;
            gap: 30px;
        }
        
        /* 修复这里：确保首屏显示5个卡片 */
        .industry-card {
            flex: 0 0 calc(20% - 24px); /* 5个卡片，每个占20%减去间隙 */
            min-width: 220px;
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .industry-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .industry-img {
            height: 160px;
            overflow: hidden;
        }
        
        .industry-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .industry-card:hover .industry-img img {
            transform: scale(1.1);
        }
        
        .industry-content {
            padding: 20px;
        }
        
        .industry-content h3 {
            font-size: 20px;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .industry-content p {
            color: var(--gray-color);
            font-size: 14px;
        }
        
        .slider-controls {
            display: flex;
            gap: 10px;
        }
        
        .slider-btn {
            width: 40px;
            height: 40px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .slider-btn:hover {
            background-color: var(--secondary-color);
            transform: scale(1.1);
        }
        
        .slider-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        
        .slider-btn:disabled:hover {
            background-color: var(--primary-color);
            transform: none;
        }
        
        /* 三列新闻区域 */
        .news-section {
            padding: 30px 0;
            background-color: #f9f9f9;
        }
        
        .news-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        .news-column {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .news-header {
            background-color: var(--primary-color);
            color: white;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .news-header h3 {
            font-size: 20px;
        }
        
        .news-header a {
            font-size: 14px;
            opacity: 0.8;
        }
        
        .news-header a:hover {
            opacity: 1;
        }
        
        .news-list {
            padding: 20px;
        }
        
        .news-item {
            padding: 8px 0;
            border-bottom: 1px solid #eee;
        }
        
        .news-item:last-child {
            border-bottom: none;
        }
        
        .news-item a {
            display: flex;
            justify-content: space-between;
        }
        
        .news-title {
            flex: 1;
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        
        .news-date {
            color: var(--gray-color);
            font-size: 14px;
            margin-left: 15px;
        }
        
        .news-item:hover .news-title {
            color: var(--primary-color);
        }
        
        /* 修复：纯图片通栏广告位 - 宽度1400px，纯图片加链接 */
        .ad-banner {
            padding: 0;
            text-align: center;
            position: relative;
            width: 100%;
            margin: 20px 0;
        }
        
        .ad-banner-inner {
            max-width: 1400px;
            margin: 0 auto;
            height: 160px;
            background-size: cover;
            background-position: center;
            display: block; /* 改为块级元素 */
            position: relative;
            overflow: hidden;
        }
        
        /* 移除原有的文字内容样式，只保留图片链接 */
        .ad-banner-content, .ad-banner h2, .ad-banner p {
            display: none; /* 隐藏所有文字内容 */
        }
        
        /* 服务区域 */
        .services-section {
            padding:30px 0;
            background-color: white;
        }
        
        .services-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        .service-quick {
            grid-column: span 1;
        }
        
        .quick-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 20px;
        }
        
        .quick-link {
            background-color: var(--light-color);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .quick-link:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-5px);
        }
        
        .quick-link i {
            font-size: 28px;
            margin-bottom: 10px;
            display: block;
        }
        
        /* 第八节：四列等宽区域 - 第一列显示视频 */
        .four-column-section {
            padding: 40px 0;
            background-color: white;
        }
        
        .four-column-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        
        .video-column {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .video-header {
            background-color: var(--primary-color);
            color: white;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .video-header h3 {
            font-size: 20px;
        }
        
        .video-header a {
            font-size: 14px;
            opacity: 0.8;
        }
        
        .video-header a:hover {
            opacity: 1;
        }
        
        .video-container {
            padding: 20px;
        }
        
        .video-player {
            width: 100%;
            height: 160px;
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 20px;
            position: relative;
        }
        
        .video-player iframe {
            width: 100%;
            height: 100%;
            border: none;
        }
        
        .video-thumbnail {
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        
        .video-play-button {
            width: 60px;
            height: 60px;
            background-color: rgba(255, 107, 53, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: white;
            transition: all 0.3s ease;
        }
        
        .video-play-button:hover {
            background-color: rgba(255, 107, 53, 1);
            transform: scale(1.1);
        }
        
        .video-info {
            margin-top: 5px;
        }
        
        .video-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .video-description {
            color: var(--gray-color);
            font-size: 14px;
            line-height: 1.5;
        }
        
        /* 底部 */
        footer {
            background-color: #5A5A5A;
            color: #ccc;
            padding: 70px 0 30px;
        }
        
        .footer-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-column h4 {
            color: white;
            font-size: 18px;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        .two li {
            width:50%;
			float:left;
        }
        
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .footer-contact li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
        }
        
        .footer-contact i {
            margin-right: 10px;
            color: var(--accent-color);
            margin-top: 3px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            font-size: 14px;
            color: #999;
        }


        /* 面包屑导航 */
        .breadcrumb {
            padding: 20px 0;
            background-color: #f5f5f5;
            border-bottom: 1px solid #eee;
        }
        
        .breadcrumb .container {
            display: flex;
            align-items: center;
        }
        
        .breadcrumb a {
            color: var(--gray-color);
        }
        
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        
        .breadcrumb span {
            margin: 0 8px;
            color: #ccc;
        }
        
        .breadcrumb .current {
            color: var(--dark-color);
            font-weight: 500;
        }
        
        /* 文章列表页样式 */
        .article-list-section {
            padding: 60px 0;
            background-color: white;
        }
        
        .article-list-container {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 40px;
        }
        
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .article-item {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .article-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .article-img {
            height: 300px;
            overflow: hidden;
        }
        
        .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .article-item:hover .article-img img {
            transform: scale(1.05);
        }
        
        .article-content {
            padding: 30px;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            color: var(--gray-color);
            font-size: 14px;
        }
        
        .article-date, .article-category, .article-views {
            margin-right: 20px;
            display: flex;
            align-items: center;
        }
        
        .article-meta i {
            margin-right: 5px;
        }
        
        .article-title {
            font-size: 24px;
            color: var(--primary-color);
            margin-bottom: 15px;
            line-height: 1.4;
        }
        
        .article-title a:hover {
            color: var(--secondary-color);
        }
        
        .article-excerpt {
            color: var(--gray-color);
            margin-bottom: 20px;
            line-height: 1.7;
        }
        
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        
        .article-tag {
            background-color: var(--light-color);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            color: var(--primary-color);
        }
        
        .article-tag:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        /* 侧边栏样式 */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .sidebar-widget {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .widget-header {
            background-color: var(--primary-color);
            color: white;
            padding: 20px;
        }
        
        .widget-header h3 {
            font-size: 18px;
        }
        
        .widget-content {
            padding: 20px;
        }
        
        .category-list li {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }
        
        .category-list li:last-child {
            border-bottom: none;
        }
        
        .category-list a {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .category-count {
            background-color: var(--light-color);
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 12px;
        }
        
        .recent-articles li {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }
        
        .recent-articles li:last-child {
            border-bottom: none;
        }
        
        .recent-article-title {
            font-weight: 500;
            margin-bottom: 5px;
        }
        
        .recent-article-date {
            font-size: 12px;
            color: var(--gray-color);
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 50px;
            gap: 10px;
        }
        
        .page-link {
            width: 70px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: white;
            border-radius: 4px;
            border: 1px solid #eee;
            font-weight: 500;
        }
        
        .page-link:hover, .page-link.active {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }

        /* 文章内容页样式 */
        .article-detail-section {
            padding: 60px 0;
            background-color: white;
        }
        
        .article-detail-container {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 40px;
        }
        
        .article-detail {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .article-header {
            padding: 40px 40px 20px;
        }
        
        .article-detail-title {
            font-size: 32px;
            color: var(--primary-color);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        
        .article-detail-meta {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            color: var(--gray-color);
            font-size: 14px;
        }
        
        .article-body {
            padding: 0 40px 40px;
        }
        
        .article-body p {
            margin-bottom: 20px;
            line-height: 1.8;
        }
        
        .article-body h2 {
            font-size: 24px;
            color: var(--primary-color);
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-color);
        }
        
        .article-body h3 {
            font-size: 20px;
            color: var(--primary-color);
            margin: 25px 0 15px;
        }
        
        .article-body ul, .article-body ol {
            margin-left: 20px;
            margin-bottom: 20px;
        }
        
        .article-body li {
            margin-bottom: 8px;
        }
        
        .article-body blockquote {
            border-left: 4px solid var(--primary-color);
            padding-left: 20px;
            margin: 20px 0;
            font-style: italic;
            color: var(--gray-color);
        }
        
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 20px 0;
        }
        
        .article-footer {
            padding: 30px 40px;
            background-color: var(--light-color);
            border-top: 1px solid #eee;
        }
        
        .article-share {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .share-title {
            font-weight: 500;
        }
        
        .share-buttons {
            display: flex;
            gap: 10px;
        }
        
        .share-button {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            transition: all 0.3s ease;
        }
        
        .share-button:hover {
            transform: translateY(-3px);
        }
        
        .share-wechat {
            background-color: #09bb07;
        }
        
        .share-weibo {
            background-color: #e6162d;
        }
        
        .share-qq {
            background-color: #12b7f5;
        }
        
        .share-link {
            background-color: var(--accent-color);
        }

        /* 图片列表页主体样式 */
        .gallery-section {
            padding: 60px 0;
            background-color: white;
        }
        
        .gallery-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }
        
        .gallery-filters {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        
        .filter-btn {
            padding: 8px 20px;
            background-color: var(--light-color);
            border-radius: 20px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .filter-btn:hover, .filter-btn.active {
            background-color: var(--primary-color);
            color: white;
        }
        
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        
        .gallery-item {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .gallery-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .gallery-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        
        .gallery-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .gallery-item:hover .gallery-img img {
            transform: scale(1.1);
        }
        
        .gallery-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(29, 32, 136, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }
        
        .view-btn {
            padding: 10px 20px;
            background-color: var(--accent-color);
            color: white;
            border-radius: 4px;
            font-weight: 500;
        }
        
        .gallery-content {
            padding: 20px;
        }
        
        .gallery-title {
            font-size: 18px;
            color: var(--primary-color);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        
        .gallery-meta {
            display: flex;
            justify-content: space-between;
            color: var(--gray-color);
            font-size: 13px;
            margin-bottom: 10px;
        }
        
        .gallery-description {
            color: var(--gray-color);
            font-size: 14px;
            line-height: 1.6;
        }

        
        /* 响应式设计 */
        @media (max-width: 1400px) {
            .ad-banner-inner {
                max-width: 100%;
                border-radius: 0;
            }
            
            .industry-card {
                flex: 0 0 calc(25% - 23px); /* 中等屏幕显示4个 */
            }
        }
        
        @media (max-width: 1200px) {
            .container {
                max-width: 100%;
                padding: 0 30px;
            }
            
            .industry-card {
                flex: 0 0 calc(33.333% - 20px); /* 小屏幕显示3个 */
            }
            
            .four-column-container {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .nav-link {
                padding: 18px 15px;
                font-size: 15px;
            }
            .gallery-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        
        @media (max-width: 992px) {
		     .banner {
                width:92%;
				height:240px;
            }

            .logo-container {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .mission-img {
                margin-top: 15px;
                align-self: flex-end;
				display:none;
            }
            
            .nav-wrapper {
                position: relative;
            }
            
            .nav-menu {
                position: fixed;
                top: 170px;
                left: -100%;
                flex-direction: column;
                background-color: var(--primary-color);
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
                z-index: 999;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-item {
                margin: 0;
            }
            
            .dropdown {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                background-color: rgba(255, 255, 255, 0.1);
                display: none;
            }
            
            .nav-item:hover .dropdown {
                display: block;
            }
            
            .dropdown-item {
                color: white;
                border-bottom-color: rgba(255, 255, 255, 0.1);
            }
            
            .mobile-toggle {
                display: block;
            }
            .article-list-container, .article-detail-container {
                grid-template-columns: 1fr;
            }
            .search-box {
                display: none;
            }
            
            .news-container, .services-container, .footer-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .industry-card {
                flex: 0 0 calc(50% - 15px); /* 平板显示2个 */
            }
            
            .four-column-container {
                grid-template-columns: 1fr;
            }
            
            .ad-banner h2 {
                font-size: 30px;
            }
            
            .ad-banner p {
                font-size: 16px;
            }
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .banner {
                width:92%;
				height:220px;
            }
            
            .banner-content h1 {
                font-size: 36px;
            }
            
            .banner-content p {
                font-size: 18px;
            }
            
            .industry-card {
                flex: 0 0 calc(100% - 0px); /* 手机显示1个 */
            }
            
            .quick-links {
                grid-template-columns: 1fr;
            }
            
            .footer-container {
                grid-template-columns: 1fr;
            }
            .ad-banner {
			    margin:0 auto;
				max-width:86%;
				
			}
            .ad-banner-inner {
                height:40px;
				border-radius:3px;;				
            }
            
            .ad-banner h2 {
                font-size: 24px;
            }
            
            .ad-banner p {
                font-size: 16px;
            }
            
            .logo-wrapper {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .logo-text {
                margin-left: 0;
                margin-top: 10px;
            }
            
            .mission-img {
                height: 60px;
            }
			.article-detail-title {
                font-size: 24px;
            }
            
            .article-header, .article-body {
                padding: 20px;
            }
            
            .article-meta, .article-detail-meta {
                flex-wrap: wrap;
                gap: 10px;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
            
            .gallery-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            
            .gallery-filters {
                width: 100%;
                overflow-x: auto;
                padding-bottom: 10px;
            }

        }
        
        @media (max-width: 576px) {
            .banner {
                width:88%;
				height:110px;
            }

            .top-bar .container {
                flex-direction: column;
                gap: 10px;
            }
            
            .top-contact span {
                margin-right: 10px;
            }
            
            .logo-img {
                height: 50px;
				margin-left:35px;
            }
            
            .logo-text h1 {
                font-size: 24px;
            }
            
            .mission-img {
                height: 50px;
            }
        }