/* 重置和基础样式 - 提高浏览器兼容性 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            -webkit-text-size-adjust: 100%; /* 防止iOS文字大小调整 */
            -ms-text-size-adjust: 100%; /* 防止IE文字大小调整 */
        }
        
        body {
            font-family: "Microsoft YaHei", "Segoe UI", "SimSun", sans-serif;
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased; /* 平滑字体渲染 */
            -moz-osx-font-smoothing: grayscale;
        }
        
        a {
            text-decoration: none;
            color: inherit;
        }
        
        a:hover, a:focus {
            outline: none; /* 移除焦点轮廓，使用自定义样式 */
        }
        
        ul, ol {
            list-style: none;
        }
        
        img {
            border: 0;
            max-width: 100%;
           
            display: block; /* 避免图片下方留白 */
        }
        
        /* 清除浮动 - 兼容旧浏览器 */
        .clearfix:after {
            content: "";
            display: table;
            clear: both;
        }
        
        /* 容器 */
        .container {
            max-width: 1920px;
            margin: 0 auto;
            overflow: hidden;
        }
        div#u0u0 {
    overflow: inherit !important;
}
        /* 第一部分：轮播图区域 */
        .header-section {
            position: relative;
            height: 850px;
            overflow: hidden;
        }
        
        /* 针对旧浏览器的回退样式 */
        @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
            .header-section {
                width: 100%;
            }
        }
        
        .slideshow-container {
            position: relative;
            width: 100%;
            height: 100%;
        }
        
        /* 修改：将.slide改为img元素，设置样式 */
        .slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            object-fit: cover;
            object-position: center center;
            /* 提高图片渲染质量 */
            image-rendering: -webkit-optimize-contrast; /* Chrome, Safari */
            image-rendering: -moz-crisp-edges; /* Firefox */
            image-rendering: -o-crisp-edges; /* Opera */
            image-rendering: crisp-edges; /* 标准属性 */
            -ms-interpolation-mode: bicubic; /* IE8+ */
            /* 确保图片高质量渲染 */
            backface-visibility: hidden;
            transform: translateZ(0);
        }
        
        /* 兼容IE9的渐变过渡 */
        .slide {
            filter: alpha(opacity=0); /* IE8 */
        }
        
        .slide.active {
            opacity: 1;
            filter: alpha(opacity=100); /* IE8 */
            z-index: 1;
        }
        
        /* 修改：导航箭头 - 使用图片箭头 */
        .slide-arrow {
            position: absolute;
            top: 50%;
            -webkit-transform: translateY(-50%);
            -ms-transform: translateY(-50%); /* IE9 */
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background-color: rgba(255, 255, 255, 0.85);
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            -webkit-box-align: center;
            -ms-flex-align: center;
            align-items: center;
            -webkit-box-pack: center;
            -ms-flex-pack: center;
            justify-content: center;
            cursor: pointer;
            z-index: 10;
            -webkit-transition: all 0.3s ease;
            transition: all 0.3s ease;
            border: none;
            border-radius: 50%;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            padding: 0;
            overflow: hidden;
        }
        
        /* 兼容IE10+的flexbox */
        @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
            .slide-arrow {
                display: -ms-flexbox;
                -ms-flex-align: center;
                -ms-flex-pack: center;
            }
        }
        
        .slide-arrow:hover, .slide-arrow:focus {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
            transform: translateY(-50%) scale(1.1);
        }
        
        .arrow-left {
            left: 15px;
        }
        
        .arrow-right {
            right: 15px;
        }
        
        /* 修改：箭头图片样式 */
        .arrow-img {
            width: 24px;
            height: 24px;
            object-fit: contain;
            transition: transform 0.3s ease;
        }
        
        .slide-arrow:hover .arrow-img {
            transform: scale(1.1);
        }
        
        /* 轮播图指示点 */
        .slide-dots {
            position: absolute;
            bottom: 130px;
            left: 0;
            right: 0;
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            -webkit-box-pack: center;
            -ms-flex-pack: center;
            justify-content: center;
            z-index: 10;
        }
        
        /* 使用span代替button，彻底移除所有边框 */
        .dot {
            display: inline-block;
            width: 16px;
            height: 16px;
            margin: 0 8px;
            cursor: pointer;
            -webkit-transition: all 0.3s;
            transition: all 0.3s;
            /* 彻底移除所有边框、背景和轮廓 */
            border: none !important;
            outline: none !important;
            background-color: transparent !important;
            background-image: url('https://www.yncn.gov.cn/img/zjcn_y1.png');
            background-size: contain;
            background-repeat: no-repeat;
            background-position: center;
            /* 移除所有内边距和盒阴影 */
            padding: 0;
            box-shadow: none;
            /* 确保没有默认样式 */
            -webkit-appearance: none;
            -moz-appearance: none;
            appearance: none;
        }
        
        /* 针对IE的特殊处理 */
        .dot {
            filter: alpha(opacity=100);
            text-indent: -9999px; /* 隐藏文本内容 */
            overflow: hidden;
        }
        
        .dot.active {
            background-image: url('https://www.yncn.gov.cn/img/zjcn_y.png');
            -webkit-transform: scale(1.2);
            -ms-transform: scale(1.2);
            transform: scale(1.2);
        }
        
        /* 确保在focus状态下也没有边框 */
        .dot:focus {
            outline: none !important;
            border: none !important;
            box-shadow: none !important;
        }
        
        /* 左上角logo区域 */
        .logo-area {
            position: absolute;
            top: 30px;
            left: 40px;
            z-index: 10;
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            -webkit-box-align: center;
            -ms-flex-align: center;
            align-items: center;
        }
        
        .national-emblem {
            width: 70px;
            height: 70px;
            background-image: url('https://www.yncn.gov.cn/img/zjcn_gh.png');
            background-size: contain;
            background-repeat: no-repeat;
            margin-right: 15px;
        }
        
        .site-logo {
            width: 280px;
            height: 70px;
            background-image: url('https://www.yncn.gov.cn/img/zjcn_logo.png');
            background-size: contain;
            background-repeat: no-repeat;
        }
        
        /* 右上角导航区域 */
        .nav-area {
            position: absolute;
            top: 30px;
            right: 40px; /* 修改：往右移动10px，从30px改为40px */
            z-index: 10;
            text-align: right;
        }
        
        .top-nav {
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            -webkit-box-pack: end;
            -ms-flex-pack: end;
            justify-content: flex-end;
            margin-bottom: 20px;
        }
        
        .top-nav a {
            color: white;
            font-size: 16px;
            padding: 6px 15px;
            margin-left: 10px;
            border-radius: 4px;
            -webkit-transition: color 0.3s;
            transition: color 0.3s;
        }
        
        /* 修改：.top-nav a鼠标移动到文字上时去除下划线，颜色变成#32539f */
        .top-nav a:hover, .top-nav a:focus {
            color: #32539f;
            text-decoration: none; /* 去除下划线 */
        }
        
        .main-nav {
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            border-radius: 6px;
            padding: 12px 0px;
        }
        
        .main-nav a {
            color: white;
            font-size: 18px;
            padding: 0 20px;
            position: relative;
            -webkit-transition: color 0.3s;
            transition: color 0.3s;
            font-weight: bold;
        }
        
        .main-nav a:not(:last-child)::after {
          
            position: absolute;
            right: 0;
            color: rgba(255, 255, 255, 0.5);
        }
        
        /* 修改：.main-nav a鼠标移动到文字上时文字颜色变成#32539f */
        .main-nav a:hover, .main-nav a:focus {
            color: #32539f;
        }
        
        /* 第二部分：内容区域 */
        .content-section {
            padding: 60px 40px;
            background-color: #fff;
        }
        
        .section-title {
            text-align: center;
            font-size: 32px;
            color: #2c5aa0;
            margin-bottom: 50px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .section-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            -webkit-transform: translateX(-50%);
            -ms-transform: translateX(-50%);
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: #2c5aa0;
        }
        
        /* 修改第二部分布局 */
        .part-two {
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            -ms-flex-wrap: wrap;
            flex-wrap: wrap;
            -webkit-box-pack: center;
            -ms-flex-pack: center;
            justify-content: center;
            gap: 40px;
            margin-bottom: 60px;
        }
        
        /* part-two-item显示在这块内容的第一排，居中显示 */
        .part-two-item:first-child {
            -webkit-box-flex: 1;
            -ms-flex: 1 1 100%;
            flex: 1 1 100%;
            text-align: center;
            margin-bottom: 30px;
        }
        
        /* 修改：center-image图片等比例缩小一半居中显示，删除box-shadow */
        .center-image {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .center-image img {
            max-width: 50%; /* 缩小一半 */
            height: auto;
            border-radius: 8px;
            /* 删除box-shadow */
        }
        
        /* 修改：为第二个.part-two-item添加背景图片并使其正常显示 */
        .part-two-item:nth-child(2) {
            -webkit-box-flex: 1;
            -ms-flex: 1 1 100%;
            flex: 1 1 100%;
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            -ms-flex-wrap: wrap;
            flex-wrap: wrap;
            -webkit-box-align: center;
            -ms-flex-align: center;
            align-items: center;
            gap: 30px;
            /* 修复：调整背景图大小和显示方式 */
            background-image: url('https://www.yncn.gov.cn/img/zjcn_7.png');
            background-size: 100% 100%; /* 修改：等比例覆盖整个区域 */
            background-position: center;
            background-repeat: no-repeat;
            border-radius: 8px;
            padding: 40px;
            position: relative;
            min-height: 400px; /* 确保有足够高度显示背景 */
            /* 确保背景图完全显示 */
            overflow: hidden;
        }
        
        /* 确保内容在背景图片上方 */
        .intro-box, .intro-image, .intro-text {
            position: relative;
            z-index: 2;
        }
        
        .intro-box {
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            -ms-flex-wrap: wrap;
            flex-wrap: wrap;
            -webkit-box-align: center;
            -ms-flex-align: center;
            align-items: center;
            width: 100%;
            gap: 40px;
            background-color: rgba(255, 255, 255, 0.9); /* 添加半透明白色背景提高文字可读性 */
            padding: 30px;
            border-radius: 8px;
        }
        
        /* 修改：intro-image显示为占位符 */
        .intro-image {
            -webkit-box-flex: 1;
            -ms-flex: 1 1 300px;
            flex: 1 1 300px;
            height: 300px;
            border-radius: 8px;
            /* 添加一个占位符样式 */
            background-color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #2c5aa0;
            font-size: 18px;
            font-weight: bold;
           
        }
        
        .intro-text {
            -webkit-box-flex: 1;
            -ms-flex: 1 1 300px;
            flex: 1 1 300px;
        }
        
        .intro-text h3 {
            font-size: 24px;
            color: #2c5aa0;
            margin-bottom: 15px;
        }
        
        .intro-text p {
           font-size: 18px;
    color: #333;
    line-height: 1.8;
        }
        
        /* 第三个小块：7张图片网格 */
        .part-two-item:last-child {
            -webkit-box-flex: 1;
            -ms-flex: 1 1 100%;
            flex: 1 1 100%;
            overflow-x: auto; /* 添加水平滚动条，以防屏幕太小 */
            -webkit-overflow-scrolling: touch; /* 移动端平滑滚动 */
            margin-top: 30px;
            padding-bottom: 20px; /* 为波浪效果添加底部内边距 */
        }
        
        /* 修改：将.image-grid的min-width改成1500px，gap修改成40px */
        .image-grid {
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            -ms-flex-wrap: nowrap; /* 不换行 */
            flex-wrap: nowrap;
            gap: 40px; /* 修改：gap修改成40px */
            min-width: 1500px; /* 修改为1500px */
            align-items: flex-end; /* 底部对齐，便于创建波浪效果 */
            justify-content: center; /* 居中对齐 */
            padding-top: 60px; /* 为向上偏移的图片留出空间 */
            padding-bottom: 20px; /* 底部内边距 */
        }
        
        /* 修改：七个.grid-item平均宽高 */
        .grid-item {
            -webkit-box-flex: 0;
            -ms-flex: 0 0 auto; /* 不伸缩，保持原始大小 */
            flex: 0 0 auto;
            width: 180px; /* 固定宽度 */
            height: 240px; /* 固定高度，确保平均 */
            border-radius: 8px;
            /* 删除box-shadow */
            /* 删除背景颜色 */
            background: none;
            -webkit-transition: -webkit-transform 0.3s;
            transition: transform 0.3s;
            transition: transform 0.3s, -webkit-transform 0.3s;
            position: relative;
            overflow: visible; /* 确保图片完全显示，不被遮盖 */
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        /* 修改：实现波浪线型显示 - 第1,3,5,7个比2,4,6个显示高一点 */
        .grid-item:nth-child(1),
        .grid-item:nth-child(3),
        .grid-item:nth-child(5),
        .grid-item:nth-child(7) {
            transform: translateY(-40px); /* 修改为向上偏移40px */
        }
        
        .grid-item:nth-child(2),
        .grid-item:nth-child(4),
        .grid-item:nth-child(6) {
            transform: translateY(0); /* 保持原位置，较低 */
        }
        
        /* 悬停效果 */
        .grid-item:hover, .grid-item:focus {
            -webkit-transform: translateY(-50px); /* 悬停时向上移动更多 */
            -ms-transform: translateY(-50px);
            transform: translateY(-50px);
        }
        
        /* 对于原本较高的项，悬停时也向上移动更多 */
        .grid-item:nth-child(1):hover,
        .grid-item:nth-child(3):hover,
        .grid-item:nth-child(5):hover,
        .grid-item:nth-child(7):hover {
            -webkit-transform: translateY(-60px);
            -ms-transform: translateY(-60px);
            transform: translateY(-60px);
        }
        
        /* 修改：grid-item内部图片容器 - 图片等比例显示完整的一张，删除background-color和border */
        .grid-img {
            width: 100%;
            height: 180px; /* 固定图片高度 */
            background-size: contain; /* 等比例显示完整图片 */
            background-position: center;
            background-repeat: no-repeat;
            border-radius: 8px 8px 0 0;
            /* 删除background-color和border */
            display: block;
        }
        
        /* 修改：grid-label不要背景颜色，color改成#32539f，删除border-top */
        .grid-label {
            position: static;
            /* 删除背景颜色 */
            background: none;
            /* 修改文字颜色 */
            color: #32539f;
            padding: 12px;
            text-align: center;
            font-size: 18px;
            font-weight: bold;
            border-radius: 0 0 8px 8px;
            margin-top: 0;
            /* 删除border-top */
            border-top: none;
            width: 100%;
            box-sizing: border-box;
        }
        
        /* 为.grid-label和.grid-img添加a标签样式 */
        .grid-img-link,
        .grid-label a,
        .card-image,
        .card-title-container a {
            display: block;
            width: 100%;
            height: 100%;
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        .grid-img-link:hover,
        .grid-label a:hover,
        .card-image:hover,
        .card-title-container a:hover {
            opacity: 0.9;
        }
        
        /* 旧版浏览器回退 */
        @supports not (display: flex) {
            .image-grid {
                display: block;
                white-space: nowrap;
                overflow-x: auto;
            }
            
            .grid-item {
                display: inline-block;
                vertical-align: bottom;
                margin-right: 20px;
            }
        }
        
        /* 第三部分 */
        .part-three {
            margin-top: 60px;
        }
        
        /* 修改：使五个.image-card并排显示，不换行 */
        .image-row {
            display: -webkit-box;
            display: -ms-flexbox;
           display: flex;
            -ms-flex-wrap: nowrap; /* 不换行，确保并排显示 */
            flex-wrap: nowrap;
            -webkit-box-pack: center;
            -ms-flex-pack: center;
            justify-content: center;
            gap: 16px;
            margin-top: 40px;
            overflow-x: auto; /* 在小屏幕上可以水平滚动 */
            padding-bottom: 10px; /* 为滚动条留出空间 */
        }
        
        /* 修改：image-card宽改为320px，并调整高度 */
        .image-card {
            -webkit-box-flex: 0;
            -ms-flex: 0 0 auto;
            flex: 0 0 auto;
            width: 279px; /* 宽改为320px */
            /*display: flex;*/
            flex-direction: column;
            align-items: center;
            border-radius: 8px;
            overflow: hidden;
            /* 删除box-shadow */
            -webkit-transition: -webkit-transform 0.5s;
            transition: transform 0.5s;
            transition: transform 0.5s, -webkit-transform 0.5s;
            position: relative;
        }
        
		.card-title-overlay{
			color: #32539f;
		}
        .image-card:hover, .image-card:focus {
            -webkit-transform: scale(1.05);
            -ms-transform: scale(1.05);
            transform: scale(1.05);
            outline: none;
        }
        
        /* 修改：card-image宽是270px，不包含card-title-overlay这块内容 */
        .card-image {
            width: 280px; /* 宽是270px */
            height: 320px; /* 保持3:4比例，270 * 0.75 = 202.5 */
            background-color: #e0e0e0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            -webkit-transition: -webkit-transform 0.5s;
            transition: transform 0.5s;
            transition: transform 0.5s, -webkit-transform 0.5s;
            border-radius: 8px; /* 整张图片实现border-radius: 8px */
            display: block;
            position: relative;
        }
        
        /* 修改：card-title-overlay在div里面，和图片不重叠显示，分开的，距离图片12px，和card-image同级 */
        .card-title-container {
            width: 270px; /* 和图片一样宽 */
            margin-top: 12px; /* 距离图片12px */
        }
        
        .card-title-overlay {
            color: #32539f; /* 修改：文字颜色修改成#32539f */
            padding: 15px;
            text-align: center;
            font-size: 20px;
            font-weight: bold;
            border-radius: 8px;
            display: block;
            width: 100%;
            box-sizing: border-box;
        }
        
        .image-card:hover .card-image {
            -webkit-transform: scale(1.1);
            -ms-transform: scale(1.1);
            transform: scale(1.1);
        }
        
        /* 页脚 */
        .footer {
            background-color: #2c5aa0;
            color: white;
            padding: 40px;
            text-align: center;
            margin-top: 60px;
        }
        
        .footer p {
            margin: 10px 0;
        }
        
        /* 响应式设计 */
        @media (max-width: 1800px) {
            /* 在大屏幕上调整.image-row的布局，使其能够容纳5个320px的卡片 */
            .image-row {
                justify-content: flex-start;
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        
        @media (max-width: 1200px) {
            .grid-item {
                width: 160px;
                height: 220px;
            }
            
            .grid-img {
                height: 160px;
            }
            
            /* 调整波浪效果在中等屏幕上的偏移量 */
            .grid-item:nth-child(1),
            .grid-item:nth-child(3),
            .grid-item:nth-child(5),
            .grid-item:nth-child(7) {
                transform: translateY(-30px);
            }
            
            .image-grid {
                min-width: 1300px;
            }
            
            /* 调整第三部分的.image-card大小 */
            .image-card {
                width: 280px;
            }
            
            .card-image {
                width: 240px;
                height: 180px;
            }
            
            .card-title-container {
                width: 240px;
            }
            
            /* 调整背景图在中等屏幕上的显示 */
            .part-two-item:nth-child(2) {
                min-height: 350px;
            }
        }
        
        @media (max-width: 992px) {
            .main-nav {
                -ms-flex-wrap: wrap;
                flex-wrap: wrap;
                -webkit-box-pack: center;
                -ms-flex-pack: center;
                justify-content: center;
                padding: 10px;
            }
            
            .main-nav a {
                margin: 5px 10px;
                padding: 5px 10px;
            }
            
            .main-nav a:not(:last-child)::after {
                display: none;
            }
            
            .header-section {
                height: 600px;
            }
            
            .intro-box {
                gap: 20px;
            }
            
            .grid-item {
                width: 140px;
                height: 200px;
            }
            
            .grid-img {
                height: 140px;
            }
            
            /* 调整波浪效果在较小屏幕上的偏移量 */
            .grid-item:nth-child(1),
            .grid-item:nth-child(3),
            .grid-item:nth-child(5),
            .grid-item:nth-child(7) {
                transform: translateY(-20px);
            }
            
            .grid-item:nth-child(1):hover,
            .grid-item:nth-child(3):hover,
            .grid-item:nth-child(5):hover,
            .grid-item:nth-child(7):hover {
                -webkit-transform: translateY(-35px);
                -ms-transform: translateY(-35px);
                transform: translateY(-35px);
            }
            
            .image-grid {
                min-width: 1150px;
            }
            
            /* 调整第三部分的.image-card大小 */
            .image-card {
                width: 240px;
            }
            
            .card-image {
                width: 210px;
                height: 157.5px;
            }
            
            .card-title-container {
                width: 210px;
            }
            
            .card-title-overlay {
                font-size: 18px;
                padding: 12px;
            }
            
            /* 调整背景图在较小屏幕上的显示 */
            .part-two-item:nth-child(2) {
                min-height: 350px;
                padding: 30px;
            }
            
            /* 调整箭头大小在中等屏幕上 */
            .slide-arrow {
                width: 45px;
                height: 45px;
            }
            
            .arrow-img {
                width: 20px;
                height: 20px;
            }
            
            .arrow-left {
                left: 10px; /* 更靠近边缘 */
            }
            
            .arrow-right {
                right: 10px; /* 更靠近边缘 */
            }
        }
        
        @media (max-width: 768px) {
            .header-section {
                height: 500px;
            }
            
            .logo-area {
                top: 15px;
                left: 15px;
            }
            
            .national-emblem {
                width: 50px;
                height: 50px;
            }
            
            .site-logo {
                width: 200px;
                height: 50px;
            }
            
            .nav-area {
                top: 15px;
                right: 25px; /* 相应调整 */
            }
            
            .top-nav {
                -ms-flex-wrap: wrap;
                flex-wrap: wrap;
                -webkit-box-pack: end;
                -ms-flex-pack: end;
                justify-content: flex-end;
            }
            
            .top-nav a {
                margin: 3px;
                padding: 5px 10px;
                font-size: 14px;
            }
            
            .main-nav {
                padding: 8px 10px;
            }
            
            .main-nav a {
                font-size: 16px;
                padding: 0 10px;
            }
            
            .content-section {
                padding: 40px 20px;
            }
            
            .section-title {
                font-size: 28px;
            }
            
            /* 调整箭头在小屏幕上 */
            .slide-arrow {
                width: 40px;
                height: 40px;
            }
            
            .arrow-img {
                width: 18px;
                height: 18px;
            }
            
            .arrow-left {
                left: 8px; /* 更靠近边缘 */
            }
            
            .arrow-right {
                right: 8px; /* 更靠近边缘 */
            }
            
            .dot {
                width: 16px;
                height: 16px;
            }
            
            .center-image img {
                max-width: 70%;
            }
            
            .intro-image, .intro-text {
                -webkit-box-flex: 1;
                -ms-flex: 1 1 100%;
                flex: 1 1 100%;
            }
            
            /* 为第二个.part-two-item在小屏幕上调整内边距和背景图 */
            .part-two-item:nth-child(2) {
                padding: 20px;
                min-height: 350px;
                background-size: cover; /* 在小屏幕上使用cover确保完全覆盖 */
            }
            
            .grid-item {
                width: 120px;
                height: 180px;
            }
            
            .grid-img {
                height: 120px;
            }
            
            /* 在小屏幕上减小波浪效果 */
            .grid-item:nth-child(1),
            .grid-item:nth-child(3),
            .grid-item:nth-child(5),
            .grid-item:nth-child(7) {
                transform: translateY(-15px);
            }
            
            .grid-item:nth-child(1):hover,
            .grid-item:nth-child(3):hover,
            .grid-item:nth-child(5):hover,
            .grid-item:nth-child(7):hover {
                -webkit-transform: translateY(-25px);
                -ms-transform: translateY(-25px);
                transform: translateY(-25px);
            }
            
            .image-grid {
                min-width: 1050px;
                padding-top: 40px;
            }
            
            .image-card {
                width: 220px;
            }
            
            .card-image {
                width: 190px;
                height: 142.5px;
            }
            
            .card-title-container {
                width: 190px;
            }
            
            .card-title-overlay {
                font-size: 16px;
                padding: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .header-section {
                height: 400px;
            }
            
            .top-nav {
                display: none;
            }
            
            .main-nav {
                -webkit-box-orient: vertical;
                -webkit-box-direction: normal;
                -ms-flex-direction: column;
                flex-direction: column;
                -webkit-box-align: end;
                -ms-flex-align: end;
                align-items: flex-end;
                background-color: rgba(0, 0, 0, 0.3);
                padding: 10px;
                border-radius: 4px;
            }
            
            .main-nav a {
                margin: 5px 0;
                padding: 5px 0;
                text-align: right;
            }
            
            /* 在非常小的屏幕上调整箭头 */
            .slide-arrow {
                width: 35px;
                height: 35px;
            }
            
            .arrow-img {
                width: 16px;
                height: 16px;
            }
            
            .arrow-left {
                left: 5px; /* 更靠近边缘 */
            }
            
            .arrow-right {
                right: 5px; /* 更靠近边缘 */
            }
            
            .dot {
                width: 14px;
                height: 14px;
                margin: 0 5px;
            }
            
            .center-image img {
                max-width: 90%;
            }
            
            .grid-item {
                width: 100px;
                height: 160px;
            }
            
            .grid-img {
                height: 100px;
            }
            
            .grid-label {
                font-size: 16px;
                padding: 8px;
            }
            
            /* 在非常小的屏幕上取消波浪效果 */
            .grid-item:nth-child(1),
            .grid-item:nth-child(3),
            .grid-item:nth-child(5),
            .grid-item:nth-child(7),
            .grid-item:nth-child(2),
            .grid-item:nth-child(4),
            .grid-item:nth-child(6) {
                transform: translateY(0);
            }
            
            .grid-item:hover, .grid-item:focus {
                -webkit-transform: translateY(-5px);
                -ms-transform: translateY(-5px);
                transform: translateY(-5px);
            }
            
            .image-grid {
                min-width: 850px;
                padding-top: 20px;
            }
            
            .image-card {
                width: 280px;
                max-width: 100%;
            }
            
            .card-image {
                width: 240px;
                height: 180px;
            }
            
            .card-title-container {
                width: 240px;
            }
            
            /* 在非常小的屏幕上调整背景图显示 */
            .part-two-item:nth-child(2) {
                min-height: 300px;
                padding: 15px;
                background-size: cover; /* 确保在小屏幕上完全覆盖 */
            }
        }
        
        /* 打印样式 */
        @media print {
            .header-section, .slide-arrow, .slide-dots, .top-nav, .main-nav {
                display: none !important;
            }
            
            body {
                background-color: white;
                color: black;
                font-size: 12pt;
            }
            
            .container {
                max-width: 100%;
            }
            
            .content-section {
                padding: 20px;
            }
        }
        
        /* 高对比度模式支持 */
        @media (prefers-contrast: high) {
            .top-nav a, .main-nav a {
                color: white;
                text-decoration: underline;
            }
            
            .section-title {
                color: #000080;
            }
            
            .card-title-overlay {
                color:#32539f;
            }
        }
        
        /* 减少动画偏好 */
        @media (prefers-reduced-motion: reduce) {
            * {
                -webkit-transition: none !important;
                transition: none !important;
            }
            
            .slide {
                transition: none !important;
            }
            
            .image-card:hover, .grid-item:hover {
                transform: none !important;
            }
            
            .grid-item:nth-child(1),
            .grid-item:nth-child(3),
            .grid-item:nth-child(5),
            .grid-item:nth-child(7) {
                transform: none !important;
            }
            
            .slide-arrow:hover, .slide-arrow:focus {
                transform: translateY(-50%) !important;
            }
            
            .slide-arrow:hover .arrow-img {
                transform: scale(1) !important;
            }
        }