/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局变量定义 */
:root {
    --primary-color: #2c5aa0;
    --primary-dark: #1a457f;
    --primary-light: #4a7ebd;
    --secondary-color: #f39c12;
    --text-color: #333;
    --text-light: #555;
    --bg-color: #f9f9f9;
    --card-bg: #fff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --radius-sm: 5px;
    --radius-md: 10px;
    --radius-lg: 15px;
    --transition: all 0.3s ease;
}

/* 搜索和排序响应式布局 */
@media (min-width: 769px) {
    /* 桌面端：排序在搜索前面 */
    .search-input-container {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 15px;
    }
    
    /* 确保排序组在搜索输入框前面 */
    .sort-group {
        order: -1;
    }
    
    /* 隐藏移动端排序 */
    .mobile-sort-group {
        display: none;
    }
    
    /* 筛选行显示 */
    .sort-filter-row {
        display: none;
    }
}

@media (max-width: 768px) {
    /* 移动端：排序在搜索下方 */
    .search-input-container {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    /* 隐藏搜索行中的排序组 */
    .search-input-container .sort-group {
        display: none;
    }
    
    /* 显示排序和筛选行 */
    .sort-filter-row {
        display: block !important;
        margin-top: 0;
    }
    
    /* 确保排序和筛选按钮共占一行 */
    .sort-filter-container {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        gap: 10px;
    }
    
    /* 移动端排序组样式 */
    .sort-group {
        flex: 1;
    }
    
    /* 移动端排序选择器样式 */
    .sort-select {
        width: 100%;
        height: 44px;
        font-size: 14px;
    }
    
    /* 移动端筛选文字按钮 */
    .filter-text-container {
        flex-shrink: 0;
    }
    
    /* 确保筛选文字按钮显示 */
    .filter-text-btn {
        display: flex !important;
    }
    
    /* 隐藏桌面端筛选按钮 */
    .toggle-filter-btn {
        display: none;
    }
}

body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    box-shadow: var(--shadow-lg);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

/* 导航和搜索框容器 */
.nav-search {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
}

/* 导航菜单 */
nav {
    display: block;
    margin-right: 20px;
}

/* 响应式菜单切换按钮 - 默认隐藏（电脑端不显示） */
.nav-toggle {
    background: #fff;
    border: 2px solid var(--primary-color);
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--primary-color);
    display: none;
    position: absolute;
    right: 20px;
    top: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    z-index: 1100;
}

.nav-toggle:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: scale(1.1);
}

/* 响应式导航设计 */
@media (max-width: 992px) {
    /* 显示汉堡菜单按钮 */
    .nav-toggle {
        display: flex;
        z-index: 1100;
    }
    
    /* 隐藏默认导航 */
    nav {
        display: none;
        position: fixed;
        top: 55px;
        left: 0;
        width: 100%;
        background-color: white;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        z-index: 1099;
        padding: 20px 0;
    }
    
    /* 导航显示状态 */
    nav.show {
        display: block;
    }
    
    /* 导航列表垂直排列 */
    nav ul {
        flex-direction: column;
        align-items: center;
        padding: 0;
    }
    
    /* 导航项样式 */
    nav ul li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }
    
    /* 导航链接样式 */
    nav ul li a {
        display: block;
        padding: 15px 20px;
        width: 100%;
    }
    
    /* 下拉菜单样式调整 */
    nav ul li.dropdown {
        position: static;
    }
    
    nav ul li .submenu {
        position: static;
        box-shadow: none;
        display: none;
        background-color: #f9f9f9;
        margin-top: 10px;
        width: 100%;
    }
    
    nav ul li.dropdown:hover .submenu {
        display: block;
    }
    
    nav ul li .submenu li {
        margin: 0;
    }
    
    nav ul li .submenu li a {
        padding: 12px 20px;
        background-color: #f9f9f9;
    }
    
    nav ul li .submenu li a:hover {
        background-color: rgba(44, 90, 160, 0.1);
    }
    
    /* 导航和搜索框容器 */
    .nav-search {
        justify-content: flex-end;
        flex: 1;
    }
    
    /* 调整logo大小 */
    .logo {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        height: auto;
        min-height: 40px;
        overflow: visible;
    }
    
    .logo img {
        height: 40px;
        width: auto;
        max-width: 100%;
        object-fit: contain;
        display: block;
        margin: 0;
        padding: 0;
        visibility: visible;
        opacity: 1;
    }
    
    /* 调整logo背景图片高度，匹配实际logo大小 */
    .logo .logo-background {
        height: 40px;
        width: auto;
        max-width: 100%;
        display: block;
        margin: 0;
        padding: 0;
        visibility: visible;
        opacity: 1;
    }
    
    /* 调整导航栏容器 */
    header .container {
        padding: 5px 15px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: auto;
        min-height: 50px;
        overflow: visible;
    }
    
    /* 确保header元素高度最小化 */
    header {
        min-height: 50px;
        height: auto;
        overflow: visible;
    }
    
    /* 确保header容器内的元素紧凑排列 */
    header .container > * {
        margin: 0;
        padding: 0;
    }
}

@media (max-width: 768px) {
    /* 调整logo大小 */
    .logo {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        height: auto;
        min-height: 40px;
        overflow: visible;
    }
    
    .logo img {
        height: 38px;
        width: auto;
        max-width: 100%;
        object-fit: contain;
        display: block;
        margin: 0;
        padding: 0;
        visibility: visible;
        opacity: 1;
    }
    
    /* 调整logo背景图片高度，匹配实际logo大小 */
    .logo .logo-background {
        height: 38px;
        width: auto;
        max-width: 100%;
        display: block;
        margin: 0;
        padding: 0;
        visibility: visible;
        opacity: 1;
    }
    
    /* 调整汉堡菜单位置 */
    .nav-toggle {
        right: 15px;
        top: 8px;
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
        z-index: 1100;
    }
    
    /* 调整导航栏位置 */
    nav {
        top: 50px;
    }
    
    /* 进一步减小导航栏容器内边距 */
    header .container {
        padding: 5px 12px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: auto;
        min-height: 50px;
        overflow: visible;
    }
    
    /* 确保header元素高度最小化 */
    header {
        min-height: 50px;
        height: auto;
        overflow: visible;
    }
    
    /* 确保header容器内的元素紧凑排列 */
    header .container > * {
        margin: 0;
        padding: 0;
    }
}

@media (max-width: 480px) {
    /* 调整logo大小 */
    .logo {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        height: auto;
        min-height: 35px;
        overflow: visible;
    }
    
    .logo img {
        height: 35px;
        width: auto;
        max-width: 100%;
        object-fit: contain;
        display: block;
        margin: 0;
        padding: 0;
        visibility: visible;
        opacity: 1;
    }
    
    /* 调整logo背景图片高度，匹配实际logo大小 */
    .logo .logo-background {
        height: 35px;
        width: auto;
        max-width: 100%;
        display: block;
        margin: 0;
        padding: 0;
        visibility: visible;
        opacity: 1;
    }
    
    /* 调整汉堡菜单位置 */
    .nav-toggle {
        right: 12px;
        top: 8px;
        width: 38px;
        height: 38px;
        font-size: 1.4rem;
        z-index: 1100;
    }
    
    /* 调整导航栏位置 */
    nav {
        top: 50px;
    }
    
    /* 进一步减小导航栏容器内边距 */
    header .container {
        padding: 5px 10px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: auto;
        min-height: 50px;
        overflow: visible;
    }
    
    /* 确保header元素高度最小化 */
    header {
        min-height: 50px;
        height: auto;
        overflow: visible;
    }
    
    /* 确保header容器内的元素紧凑排列 */
    header .container > * {
        margin: 0;
        padding: 0;
    }
    
    /* 调整顶部导航栏 */
    .top-nav-link {
        font-size: 14px;
    }
    
    /* 调整时间显示 */
    #currentTime {
        font-size: 14px;
        min-width: 150px;
    }
    
    /* 调整语言切换 */
    .language-wrapper {
        font-size: 14px;
    }
    
    .language-arrow {
        width: 12px;
        height: 12px;
    }
    
    /* 调整导航链接 */
    nav ul li a {
        padding: 12px 20px;
    }
}

/* 搜索框和搜索按钮容器 */
.search-container {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.search-box {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 20px 0 0 20px;
    outline: none;
    width: 200px;
    transition: all 0.3s ease;
}

.search-box:focus {
    border-color: #2c5aa0;
    width: 250px;
}

.search-btn {
    padding: 8px 15px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 20px 20px 0;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
}

.search-btn:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    padding: 8px 18px;
}

.search-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* 搜索结果高亮样式 */
.highlight {
    background-color: #fff3cd;
    color: #856404;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.logo img {
    height: 60px;
    width: auto;
    /* 防止右键菜单 */
    pointer-events: none;
    /* 防止拖拽 */
    user-select: none;
    -moz-user-select: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    /* 提高保护级别 */
    content-visibility: visible;
}

/* Logo背景图片样式 - 用于反爬虫 */
.logo .logo-background {
    display: block;
    height: 110px; /* 调整到中间高度，在100px和120px之间 */
    width: 325px; /* 调整到中间宽度，在300px和350px之间 */
    /* 背景图片将通过JavaScript动态设置，不在CSS中直接暴露URL */
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    /* 防止右键菜单 */
    pointer-events: auto;
    /* 防止拖拽 */
    user-select: none;
    -moz-user-select: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    /* 防止元素被选中 */
    content-visibility: visible;
    /* 添加透明覆盖层防止直接访问 */
    position: relative;
}

/* 为logo添加透明覆盖层 */
.logo .logo-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 1;
    pointer-events: auto;
}

/* 允许所有图片的右键菜单和保存功能 */
img {
    /* 允许右键菜单和拖拽 */
    pointer-events: auto;
    user-select: auto;
    -moz-user-select: auto;
    -webkit-user-drag: auto;
    -webkit-user-select: auto;
    -ms-user-select: auto;
    /* 防止通过CSS获取图片URL */
    content-visibility: visible;
    /* 防止图片被打印 */
    page-break-inside: avoid;
}

/* 允许缩略图和导航按钮接收鼠标事件 */
.thumbnail {
    pointer-events: auto;
    cursor: pointer;
}

.nav-btn {
    pointer-events: auto;
    cursor: pointer;
}

/* 允许测试按钮接收鼠标事件 */
button {
    pointer-events: auto;
    cursor: pointer;
}

/* 产品详情页面样式 */
.product-detail {
    padding: 60px 0;
    background-color: var(--bg-color);
}

.product-detail-container {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 30px;
}

/* 产品图片区域 */
.product-detail-images {
    flex: 0 0 45%;
    max-width: 500px;
}

.image-zoom-container {
    position: relative;
    margin-bottom: 20px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background-color: #fff;
    padding: 20px;
}

/* 图片容器 */
.image-container {
    position: relative;
    display: inline-block;
    max-width: 100%;
}

/* 缩略图容器 */
.thumbnail-container {
    position: relative;
    flex: 0 0 80px;
    height: 80px;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

/* 确保缩略图容器适应原有布局 */
.thumbnail-container .thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 保存按钮样式 */
.save-image-btn {
    display: inline-block;
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 15px;
    text-decoration: none;
    text-align: center;
}

.save-image-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 放大图片的保存按钮 */
.zoom-save-btn {
    margin-top: 20px;
    padding: 12px 20px;
    font-size: 16px;
}

/* 放大图片导航容器 */
.zoom-nav-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
}

/* 放大图片导航按钮 */
.zoom-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

/* 上一张按钮 */
.zoom-nav-btn.prev-btn {
    left: 20px;
}

/* 下一张按钮 */
.zoom-nav-btn.next-btn {
    right: 20px;
}

/* 导航按钮悬停效果 */
.zoom-nav-btn:hover {
    background-color: rgba(0, 0, 0, 0.8);
    transform: translateY(-50%) scale(1.1);
}

/* 导航按钮图标 */
.zoom-nav-btn i {
    font-size: 20px;
}

/* 图片计数器 */
.zoom-counter {
    color: #f1f1f1;
    margin-top: 10px;
    font-size: 14px;
    text-align: center;
    opacity: 0.8;
}

.main-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-sm);
}

/* 图片导航 */
.image-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.nav-btn:hover {
    background-color: var(--primary-dark);
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.nav-btn i {
    font-size: 16px;
}

/* 缩略图容器 */
.thumbnails {
    flex: 1;
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 10px 0;
    scroll-behavior: smooth;
}

.thumbnails::-webkit-scrollbar {
    height: 6px;
}

.thumbnails::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.thumbnails::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.thumbnails::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 缩略图样式 */
.thumbnail {
    flex: 0 0 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.thumbnail:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.thumbnail.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(44, 90, 160, 0.2);
}

/* 产品信息区域 */
.product-detail-info {
    flex: 1;
    min-width: 300px;
}

.product-detail-name {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    line-height: 1.2;
}

.product-detail-category {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.product-detail-info h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    margin-top: 30px;
}

.product-detail-description {
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 20px;
}

/* 产品参数表格 */
.product-params-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.product-params-table tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.product-params-table tr:hover {
    background-color: rgba(44, 90, 160, 0.02);
}

.product-params-table tr:last-child {
    border-bottom: none;
}

.product-params-table td {
    padding: 15px 20px;
    border-right: 1px solid var(--border-color);
}

.product-params-table td:last-child {
    border-right: none;
}

.product-params-table .param-name {
    font-weight: 600;
    color: var(--primary-color);
    width: 120px;
    background-color: var(--bg-color);
    font-size: 1rem;
}

.product-params-table .param-value {
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 400;
}

/* 分享按钮 */
.product-share {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.share-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.share-btn i {
    font-size: 16px;
}

.share-btn.wechat {
    background-color: #07C160;
    color: white;
}

.share-btn.weibo {
    background-color: #E6162D;
    color: white;
}

.share-btn.qq {
    background-color: #12B7F5;
    color: white;
}

.share-btn.copy {
    background-color: var(--primary-color);
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 返回按钮 */
.back-to-products {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background-color: var(--bg-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border: 1px solid var(--primary-color);
}

.back-to-products:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 分享成功提示 */
.share-success {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px 30px;
    border-radius: var(--radius-sm);
    z-index: 10000;
    animation: fadeInOut 3s ease-in-out;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; }
    10%, 90% { opacity: 1; }
}

/* 图片放大查看样式 */
.image-zoom-modal {
    display: flex;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.image-zoom-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    text-align: center;
}

.zoom-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    animation: zoomIn 0.3s ease;
}

.close-zoom {
    position: absolute;
    top: -40px;
    right: -10px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.close-zoom:hover {
    color: #fff;
    transform: scale(1.2);
}

.zoom-title {
    color: #f1f1f1;
    margin-top: 20px;
    font-size: 1.2rem;
    font-weight: 500;
}



@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .product-detail-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .product-detail-images {
        max-width: 100%;
        width: 100%;
    }
    
    .main-image {
        max-height: 400px;
        object-fit: contain;
    }
    
    .product-params-table {
        box-shadow: none;
    }
    
    .product-params-table td {
        padding: 12px 15px;
    }
    
    .zoom-image {
        max-height: 70vh;
    }
    
    .close-zoom {
        top: -30px;
        font-size: 30px;
    }
}

@media (max-width: 768px) {
    .product-detail {
        padding: 30px 0;
    }
    
    .product-detail-container {
        padding: 20px;
        gap: 20px;
    }
    
    .product-detail-name {
        font-size: 1.6rem;
    }
    
    .thumbnail {
        flex: 0 0 60px;
        height: 60px;
    }
    
    .nav-btn {
        width: 36px;
        height: 36px;
    }
    
    .nav-btn i {
        font-size: 14px;
    }
    
    .product-params-table .param-name {
        width: 100px;
        font-size: 0.9rem;
    }
    
    .product-params-table td {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .zoom-image {
        max-height: 60vh;
    }
    
    .zoom-title {
        font-size: 1rem;
    }
}

/* 相关产品推荐 */
.related-products {
    padding: 60px 0;
    background-color: var(--bg-color);
}

.related-products h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* 响应式设计 - 相关产品网格 */
@media (min-width: 1200px) {
    .related-products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .related-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .related-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    /* 移动端相关产品图片 - 正方形 */
    .related-product-image img {
        aspect-ratio: 1 / 1 !important;
        height: auto !important;
    }
    
    .related-product-image {
        height: auto;
        overflow: hidden;
    }
}

@media (max-width: 200px) {
    .related-products-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* 确保非移动端视图使用正常的图片比例 */
@media (min-width: 769px) {
    .related-product-image img {
        aspect-ratio: auto !important;
        height: 200px !important;
    }
    
    .related-product-image {
        height: 200px;
    }
}

.related-product-item {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.related-product-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.related-product-image {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.related-product-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.related-product-item:hover .related-product-image img {
    transform: scale(1.05);
}

.related-product-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.related-product-name {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-weight: 600;
    flex: 1;
}

.related-product-category {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.related-product-link {
    display: inline-block;
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
    align-self: flex-start;
}

.related-product-link:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 响应式设计 - 相关产品 */
@media (max-width: 768px) {
    .related-products {
        padding: 40px 0;
    }
    
    .related-product-info {
        padding: 15px;
    }
    
    .related-product-name {
        font-size: 1.1rem;
    }
}

/* 移动端排序和筛选共占一行 */
@media (max-width: 768px) {
    /* 确保排序和筛选容器显示 */
    .sort-filter-row {
        display: block !important;
    }
    
    /* 确保排序和筛选容器显示 */
    .sort-filter-container {
        display: flex !important;
        align-items: center;
        gap: 15px;
        width: 100%;
        justify-content: space-between;
    }
    
    /* 确保筛选文字按钮显示 */
    .filter-text-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        height: 44px;
        padding: 0 20px;
        border: 1px solid #e0e0e0;
        border-radius: 8px;
        background-color: white;
        color: #666;
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
    }
}

/* 无相关产品提示 */
.no-related-products {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background-color: var(--bg-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.no-related-products p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin: 0;
}

/* 响应式设计 - 无相关产品提示 */
@media (max-width: 768px) {
    .no-related-products {
        padding: 40px 15px;
    }
    
    .no-related-products p {
        font-size: 1rem;
    }
}

/* 允许页面内容被选择和复制，但图片和logo除外 */
body {
    /* 允许文本选择 */
    user-select: text;
    -moz-user-select: text;
    -webkit-user-select: text;
    -ms-user-select: text;
    /* 允许文本复制 */
    -webkit-touch-callout: default;
}

nav ul {
    display: flex;
    list-style: none;
    white-space: nowrap;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
    padding: 8px 12px;
    border-radius: 4px;
}

/* 统一菜单项的hover和active样式 */
nav ul li a:hover,
nav ul li a.active {
    color: var(--primary-color) !important;
    background-color: rgba(44, 90, 160, 0.05) !important;
    font-weight: 500;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100% !important;
}

/* 下拉菜单样式 */
nav ul li.dropdown {
    position: relative;
}

/* 移除下拉菜单箭头 */
nav ul li.dropdown > a:not(:hover):not(.active)::after {
    display: none;
}

nav ul li .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    overflow: hidden;
    z-index: 1000;
    min-width: 160px;
}

nav ul li.dropdown:hover .submenu {
    display: block;
}

nav ul li .submenu li {
    margin: 0;
    padding: 0;
    display: block;
}

nav ul li .submenu li a {
    display: block;
    padding: 12px 15px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 400;
}

nav ul li .submenu li a:hover {
    background-color: rgba(44, 90, 160, 0.1);
    color: var(--primary-color);
    padding-left: 20px;
}

nav ul li .submenu li a::after {
    display: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* 语言选择下拉菜单样式 */
.language-group {
    position: relative;
    white-space: nowrap;
}

.language-trigger {
    position: relative;
    cursor: pointer;
    padding: 8px 15px;
    padding-right: 35px;
    background-color: #f5f5f5;
    border-radius: 20px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
    border: 1px solid transparent;
    box-shadow: var(--shadow-sm);
}

.language-trigger:hover {
    background-color: #e9ecef;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.language-trigger:hover {
    background-color: #e9ecef;
    border-color: #2c5aa0;
}

.language-trigger::after {
    content: '▼';
    font-size: 0.7em;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

.language-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    overflow: hidden;
    z-index: 1000;
    min-width: 120px;
}

.language-group:hover .language-dropdown {
    display: block;
}

.language-dropdown li {
    margin: 0;
    padding: 0;
}

.language-dropdown li a {
    display: block;
    padding: 10px 15px;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.language-dropdown li a:hover {
    background-color: #f9f9f9;
    color: #2c5aa0;
}

.language-dropdown li a::after {
    display: none;
}

/* 英雄区样式 */
.hero {
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.9) 0%, rgba(44, 90, 160, 0.95) 100%);
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
    padding: 150px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInDown 0.8s ease-out;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    opacity: 0.95;
}

.hero .btn {
    animation: fadeInUp 0.8s ease-out 0.4s both;
    position: relative;
    z-index: 1;
}

/* 动画效果 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 平滑滚动效果 */
html {
    scroll-behavior: smooth;
}

/* 内容区域过渡动画 */
section {
    transition: all 0.5s ease;
}

/* 为锚点目标添加突出动画 */
section:target {
    animation: fadeInLeft 0.8s ease-out;
}

/* 优化子菜单链接的点击效果 */
.submenu li a {
    position: relative;
    overflow: hidden;
}

.submenu li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.submenu li a:hover::before {
    left: 100%;
}

.btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: var(--radius-md);
    display: inline-block;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn:hover {
    background-color: transparent;
    color: #fff;
    transform: translateY(-2px);
}

/* 页面标题样式 */
.page-title {
    background-color: #2c5aa0;
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.page-title h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.page-title p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 公司简介样式 */
.about {
    padding: 100px 0;
    background-color: #fff;
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.03) 0%, rgba(243, 156, 18, 0.02) 100%);
    z-index: -1;
}

.about h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
    animation: fadeInDown 0.8s ease-out;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.about .content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* 响应式调整 - 区块内边距 */
@media (max-width: 992px) {
    .about,
    .products,
    .cooperation,
    .contact-cta,
    .company-profile,
    .product-series,
    .development,
    .location,
    .product-categories,
    .product-features,
    .cooperation-mode,
    .service-guarantee,
    .cooperation-process {
        padding: 60px 0;
    }
}

@media (max-width: 768px) {
    .about,
    .products,
    .cooperation,
    .contact-cta,
    .company-profile,
    .product-series,
    .development,
    .location,
    .product-categories,
    .product-features,
    .cooperation-mode,
    .service-guarantee,
    .cooperation-process {
        padding: 40px 0;
    }
    
    /* 调整标题大小和样式 */
    .about h2,
    .products h2,
    .cooperation h2,
    .contact-cta h2,
    .company-profile h2,
    .product-series h2,
    .development h2,
    .location h2,
    .product-categories h2,
    .product-features h2,
    .cooperation-mode h2,
    .service-guarantee h2,
    .cooperation-process h2,
    .related-products h2,
    .location-map h2 {
        font-size: 1.8rem !important;
        margin-bottom: 30px !important;
        text-align: center !important;
        color: var(--primary-color) !important;
        position: relative !important;
        padding-bottom: 20px !important;
    }
    
    /* 确保所有h2标题下划线样式一致 */
    .about h2::after,
    .products h2::after,
    .cooperation h2::after,
    .contact-cta h2::after,
    .company-profile h2::after,
    .product-series h2::after,
    .development h2::after,
    .location h2::after,
    .product-categories h2::after,
    .product-features h2::after,
    .cooperation-mode h2::after,
    .service-guarantee h2::after,
    .cooperation-process h2::after,
    .related-products h2::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 3px;
        background-color: var(--primary-color);
        border-radius: 2px;
    }
    
    /* 调整段落文本大小 */
    .about .content p,
    .company-profile .content p,
    .location .content p,
    .product-item p,
    .cooperation-item p {
        font-size: 1rem;
        line-height: 1.6;
    }
}

.about .content p, .company-profile .content p, .location .content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    letter-spacing: 0.5px;
    word-spacing: 1px;
    text-align: justify;
    text-justify: inter-ideograph; /* 中文文本两端对齐 */
}

/* 核心产品样式 */
.products {
    padding: 100px 0;
    background-color: var(--bg-color);
    position: relative;
    overflow: hidden;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.02) 0%, rgba(44, 90, 160, 0.03) 100%);
    z-index: -1;
}

.products h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
    animation: fadeInDown 0.8s ease-out;
}

.products h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    justify-items: center;
}

.product-item {
    background-color: var(--card-bg);
    padding: 40px 35px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out;
    display: flex;
    flex-direction: column;
    width: 90%;
    max-width: 380px;
}

/* 响应式调整 - 产品网格 */
@media (min-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .product-item {
        padding: 30px 25px;
    }
    
    .product-item h3 {
        font-size: 1.3rem;
    }
    
    /* 移动端产品图片 - 正方形 */
    .product-item img {
        aspect-ratio: 1 / 1 !important;
        height: auto !important;
        object-fit: cover;
    }
}

@media (max-width: 200px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-item {
        padding: 25px 20px;
    }
    
    .product-item h3 {
        font-size: 1.2rem;
    }
    
    .product-item p {
        font-size: 0.95rem;
    }
}

/* 确保非移动端视图使用正常的图片比例 */
@media (min-width: 769px) {
    .product-item img {
        aspect-ratio: auto !important;
    }
}

.product-item:nth-child(1) { animation-delay: 0.1s; }
.product-item:nth-child(2) { animation-delay: 0.2s; }
.product-item:nth-child(3) { animation-delay: 0.3s; }

.product-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-item h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    transition: var(--transition);
    position: relative;
    padding-bottom: 15px;
}

.product-item h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
    border-radius: 1px;
    transition: var(--transition);
}

.product-item:hover h3 {
    color: var(--primary-dark);
}

.product-item:hover h3::after {
    width: 60px;
}

.product-item p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
    transition: var(--transition);
}

.product-item:hover p {
    color: var(--text-color);
}

/* 合作模式样式 */
.cooperation {
    padding: 100px 0;
    background-color: var(--card-bg);
    position: relative;
    overflow: hidden;
}

.cooperation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.03) 0%, rgba(243, 156, 18, 0.02) 100%);
    z-index: -1;
}

.cooperation h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
    animation: fadeInDown 0.8s ease-out;
}

.cooperation h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.cooperation-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.cooperation-item {
    background-color: var(--bg-color);
    padding: 40px 35px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out;
}

.cooperation-item:nth-child(1) { animation-delay: 0.1s; }
.cooperation-item:nth-child(2) { animation-delay: 0.2s; }

.cooperation-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.02) 0%, rgba(243, 156, 18, 0.01) 100%);
    z-index: -1;
}

.cooperation-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.cooperation-item h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    transition: var(--transition);
    position: relative;
    padding-bottom: 15px;
}

.cooperation-item h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background-color: var(--secondary-color);
    border-radius: 1px;
    transition: var(--transition);
}

.cooperation-item:hover h3 {
    color: var(--primary-dark);
}

.cooperation-item:hover h3::after {
    width: 50px;
}

.cooperation-item p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
    transition: var(--transition);
}

.cooperation-item:hover p {
    color: var(--text-color);
}

/* 公司简介详情样式 */
.company-profile {
    padding: 100px 0;
    background-color: var(--card-bg);
    position: relative;
    overflow: hidden;
}

.company-profile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.03) 0%, rgba(243, 156, 18, 0.02) 100%);
    z-index: -1;
}

.company-profile h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
    animation: fadeInDown 0.8s ease-out;
}

.company-profile h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.company-profile .content {
    max-width: 900px;
    margin: 0 auto;
    text-align: justify;
    background-color: var(--bg-color);
    padding: 40px 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    position: relative;
    overflow: hidden;
}

.company-profile .content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.company-profile .content p {
    margin-bottom: 25px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    text-justify: inter-ideograph;
    transition: var(--transition);
}

/* 产品系列样式 */
.product-series {
    padding: 100px 0;
    background-color: var(--card-bg);
    position: relative;
    overflow: hidden;
}

.product-series::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.02) 0%, rgba(44, 90, 160, 0.03) 100%);
    z-index: -1;
}

.product-series h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
    animation: fadeInDown 0.8s ease-out;
}

.product-series h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.product-series .container {
    padding: 0 20px;
}

.product-series .content {
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.product-series .product-category {
    background-color: var(--bg-color);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    margin: 0 auto 40px;
    max-width: 900px;
    width: 100%;
    backdrop-filter: blur(10px);
    transform: translateY(0);
    box-sizing: border-box;
}

.product-series .product-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.product-series .product-category:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.product-series .product-category h3 {
    font-size: 1.7rem;
    margin-bottom: 25px;
    color: var(--primary-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 700;
    letter-spacing: 0.5px;
    position: relative;
    display: inline-block;
}

.product-series .product-category:hover h3 {
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.product-series .product-category p {
    color: var(--text-light);
    line-height: 1.9;
    font-size: 1.1rem;
    margin-bottom: 25px;
    text-align: justify;
    text-justify: inter-ideograph;
    transition: all 0.3s ease;
}

.product-series .product-category:hover p {
    color: var(--text-color);
}

.product-series .product-list ul {
    list-style: none;
    columns: 2;
    gap: 40px;
    padding: 0;
    margin: 20px 0 0 0;
}

.product-series .product-list ul li {
    margin-bottom: 15px;
    color: var(--text-light);
    padding-left: 25px;
    position: relative;
    font-size: 1.05rem;
    line-height: 1.7;
    transition: all 0.3s ease;
}

.product-series .product-category:hover ul li {
    color: var(--text-color);
}

.product-series .product-list ul li::before {
    content: '→';
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.product-series .product-category:hover ul li::before {
    transform: translateX(5px);
    color: var(--secondary-color);
}

/* 响应式调整产品列表列数 */
@media (max-width: 768px) {
    .product-series .product-list ul {
        columns: 1;
        gap: 0;
    }
}

/* 发展历程样式 */
.development {
    padding: 100px 0;
    background-color: var(--bg-color);
    position: relative;
    overflow: hidden;
}

.development::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.02) 0%, rgba(44, 90, 160, 0.03) 100%);
    z-index: -1;
}

.development h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
    animation: fadeInDown 0.8s ease-out;
}

.development h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* 时间轴样式 */
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 100px auto;
}

/* 全局时间轴线 */
.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: #a18cd1;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px; /* 确保时间轴线居中 */
    z-index: 1; /* 确保时间轴线在底层 */
    border-radius: 2px;
    box-shadow: var(--shadow-md);
}

/* 时间轴项目 */
.timeline-item {
    padding: 20px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
    margin-bottom: 40px;
    transition: var(--transition);
}

/* 奇数项在左侧 */
.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 60px;
}

/* 偶数项在右侧 */
.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 60px;
}

/* 内容样式 */
.timeline-item .content {
    padding: 20px 30px;
    background-color: var(--card-bg);
    position: relative;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    z-index: 2;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.timeline-item .content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 1px 1px 0 0;
}

.timeline-item .content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* 年份圆圈样式 */
.timeline-item .year {
    position: absolute;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
    z-index: 10; /* 确保年份圆圈显示在最上方 */
    transition: var(--transition);
    border: 3px solid white; /* 添加白色边框 */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* 奇数项年份在时间轴线右侧 */
.timeline-item:nth-child(odd) .year {
    right: -35px; /* 精确对齐：圆圈宽度的一半，确保中心与时间轴线对齐 */
    left: auto;
    top: 50%;
    transform: translateY(-50%);
}

/* 偶数项年份在时间轴线左侧 */
.timeline-item:nth-child(even) .year {
    left: -35px; /* 精确对齐：圆圈宽度的一半，确保中心与时间轴线对齐 */
    right: auto;
    top: 50%;
    transform: translateY(-50%);
}

/* 移除项目连接线 */
.timeline-item::after {
    display: none;
}

/* 移动端响应式设计 */
@media screen and (max-width: 768px) {
    /* 重置所有时间轴样式，确保无冲突 */
    .timeline-item {
        width: 100% !important;
        padding-left: 100px !important;
        padding-right: 20px !important;
        margin-bottom: 60px !important;
        position: relative !important;
        left: 0 !important;
    }
    
    /* 重置所有项目位置 */
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        left: 0 !important;
        padding-left: 100px !important;
        padding-right: 20px !important;
    }
    
    /* 移除所有辅助元素 */
    .timeline-item::after,
    .timeline-item .year::after {
        display: none !important;
    }
    
    /* 移动端全局时间轴线在左侧 - 精确对齐 */
    .timeline::after {
        left: 43px !important; /* 时间线中心点位置 */
        margin-left: -2px !important; /* 时间线宽度的一半，确保居中 */
        top: 0 !important;
        bottom: 0 !important;
        width: 4px !important;
        z-index: 5 !important;
    }
    
    /* 移动端所有年份圆圈在左侧 - 完全对齐时间线 */
    .timeline-item .year,
    .timeline-item:nth-child(odd) .year,
    .timeline-item:nth-child(even) .year {
        /* 精确对齐时间线：年份圆圈中心点在43px位置 */
        left: 43px !important;
        top: 50% !important;
        transform: translate(-50%, -50%) !important;
        right: auto !important;
        z-index: 10 !important;
        width: 66px !important;
        height: 66px !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        border: 3px solid white !important;
        border-radius: 50% !important;
        position: absolute !important;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
    }
}

.timeline-item:hover .year {
    box-shadow: 0 0 0 8px white, 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* 电脑端年份圆圈悬停效果 - 保持水平位置不变 */
.timeline-item:nth-child(odd):hover .year {
    transform: translateY(-50%) scale(1.1); /* 保持右侧定位不变 */
}

.timeline-item:nth-child(even):hover .year {
    transform: translateY(-50%) scale(1.1); /* 保持左侧定位不变 */
}

.timeline-item h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
    font-size: 1.4rem;
    transition: var(--transition);
}

.timeline-item .content:hover h3 {
    color: var(--primary-dark);
}

.timeline-item p {
    color: var(--text-light);
    line-height: 1.8;
    transition: var(--transition);
}

.timeline-item .content:hover p {
    color: var(--text-color);
}

/* 地理位置样式 */
.location {
    padding: 100px 0;
    background-color: var(--card-bg);
    position: relative;
    overflow: hidden;
}

.location::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.03) 0%, rgba(243, 156, 18, 0.02) 100%);
    z-index: -1;
}

.location h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
    animation: fadeInDown 0.8s ease-out;
}

.location h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.location .content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.location .content p {
    margin-bottom: 40px;
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    text-align: justify;
    background-color: var(--bg-color);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: inline-block;
    max-width: 800px;
    text-justify: inter-ideograph;
}

.about-map {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    height: 550px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-light);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
}

.about-map::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.about-map:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: var(--primary-light);
}

.about-map iframe {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: none;
}

.about-map:hover iframe {
    box-shadow: var(--shadow-lg);
}

/* 产品分类样式 */
.product-categories {
    padding: 80px 0;
    background-color: var(--bg-color);
    position: relative;
}

.product-categories::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.02) 0%, rgba(44, 90, 160, 0.03) 100%);
    z-index: -1;
}

.product-categories .categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.category-item {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.category-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.category-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.category-item h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    transition: var(--transition);
}

.category-item:hover h3 {
    color: var(--primary-dark);
}

.product-list ul {
    list-style: none;
    columns: 2;
    gap: 20px;
}

.product-list ul li {
    margin-bottom: 10px;
    color: #555;
    padding-left: 15px;
    position: relative;
}

.product-list ul li::before {
    content: '•';
    color: #2c5aa0;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 产品特点样式 */
.product-features {
    padding: 80px 0;
    background-color: var(--bg-color);
}

.product-features h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
}

.product-features h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background-color: var(--bg-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.02) 0%, rgba(243, 156, 18, 0.01) 100%);
    z-index: -1;
}

.feature-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.feature-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
}

.feature-item p {
    color: #555;
    line-height: 1.7;
}

/* 合作与支持页面样式 */
.cooperation-mode,
.service-guarantee,
.cooperation-process,
.contact-cta {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

/* 合作模式 - 使用与关于我们页面product-series相同的背景色 */
.cooperation-mode {
    background-color: var(--bg-color);
}

/* 服务保障 - 使用与关于我们页面development相同的背景色 */
.service-guarantee {
    background-color: var(--card-bg);
}

/* 合作流程 - 使用与关于我们页面location相同的背景色 */
.cooperation-process {
    background-color: var(--bg-color);
}

/* 联系我们 - 与合作流程同一级 */
.contact-cta {
    background-color: var(--card-bg);
    margin-top: 0;
}

/* 为每个section添加渐变效果 */
.cooperation-mode::before,
.service-guarantee::before,
.cooperation-process::before,
.contact-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.03) 0%, rgba(243, 156, 18, 0.02) 100%);
    z-index: -1;
}

.cooperation-mode h2,
.service-guarantee h2,
.cooperation-process h2,
.contact-cta h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
    animation: fadeInDown 0.8s ease-out;
}

.cooperation-mode h2::after,
.service-guarantee h2::after,
.cooperation-process h2::after,
.contact-cta h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.cooperation-mode .content,
.service-guarantee .content,
.cooperation-process .content {
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.cooperation-category,
.guarantee-category {
    background-color: var(--bg-color);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    margin-bottom: 30px;
}

/* 合作流程内容块背景色 */
.process-step-content {
    padding: 30px;
    background-color: var(--bg-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.cooperation-category::before,
.guarantee-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.cooperation-category:hover,
.guarantee-category:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.cooperation-category h3,
.guarantee-category h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    transition: var(--transition);
}

.cooperation-category:hover h3,
.guarantee-category:hover h3 {
    color: var(--primary-dark);
}

.cooperation-category p,
.guarantee-category p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
    margin-bottom: 20px;
    text-align: justify;
    text-justify: inter-ideograph;
}

.cooperation-category ol,
.cooperation-category ul,
.guarantee-category ul {
    margin-left: 25px;
    margin-bottom: 20px;
}

.cooperation-category li,
.guarantee-category li {
    margin-bottom: 10px;
    line-height: 1.6;
    color: var(--text-light);
}

/* 合作流程图样式 */
.process-flow {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
}

/* 流程连接线 */
.process-flow::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    border-radius: 2px;
}

/* 流程步骤容器 */
.process-step {
    padding: 20px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
    margin-bottom: 60px;
    transition: var(--transition);
}

/* 奇数项在左侧 */
.process-step:nth-child(odd) {
    left: 0;
    padding-right: 60px;
}

/* 偶数项在右侧 */
.process-step:nth-child(even) {
    left: 50%;
    padding-left: 60px;
}

/* 流程步骤内容 */
.process-step-content {
    padding: 30px;
    background-color: var(--bg-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.process-step-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.process-step:hover .process-step-content {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

/* 步骤编号 */
.step-number {
    position: absolute;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.5rem;
    z-index: 10;
    border: 3px solid white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    top: 50%;
    transform: translateY(-50%);
}

/* 奇数项编号在右侧 */
.process-step:nth-child(odd) .step-number {
    right: -30px;
}

/* 偶数项编号在左侧 */
.process-step:nth-child(even) .step-number {
    left: -30px;
}

.process-step:hover .step-number {
    box-shadow: 0 0 0 8px white, 0 8px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-50%) scale(1.1);
}

.process-step h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    transition: var(--transition);
}

.process-step:hover h3 {
    color: var(--primary-dark);
}

.process-step p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: var(--text-light);
    text-align: justify;
    text-justify: inter-ideograph;
}

/* 响应式设计 - 流程图 */
@media (max-width: 768px) {
    /* 重置所有流程样式，确保无冲突 */
    .process-step {
        width: 100% !important;
        padding-left: 100px !important;
        padding-right: 20px !important;
        margin-bottom: 60px !important;
        position: relative !important;
        left: 0 !important;
    }
    
    /* 重置所有项目位置 */
    .process-step:nth-child(odd),
    .process-step:nth-child(even) {
        left: 0 !important;
        padding-left: 100px !important;
        padding-right: 20px !important;
    }
    
    /* 移动端流程连接线在左侧 - 精确对齐 */
    .process-flow::after {
        left: 43px !important; /* 连接线中心点位置 */
        margin-left: -2px !important; /* 连接线宽度的一半，确保居中 */
        top: 0 !important;
        bottom: 0 !important;
        width: 4px !important;
        z-index: 5 !important;
    }
    
    /* 移动端所有步骤编号在左侧 - 完全对齐连接线 */
    .process-step .step-number,
    .process-step:nth-child(odd) .step-number,
    .process-step:nth-child(even) .step-number {
        /* 精确对齐连接线：编号圆圈中心点在43px位置 */
        left: 43px !important;
        top: 50% !important;
        transform: translate(-50%, -50%) !important;
        right: auto !important;
        z-index: 10 !important;
        width: 66px !important;
        height: 66px !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        border: 3px solid white !important;
        border-radius: 50% !important;
        position: absolute !important;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
    }
}



.contact-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 160px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    z-index: 1;
    line-height: 1.2;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background-color: var(--primary-color) !important;
    color: white !important;
    border: none !important;
    font-weight: 700 !important;
    font-size: 1.2rem !important;
    border-radius: var(--radius-md) !important;
}

.btn-primary:hover {
    background-color: var(--primary-dark) !important;
    color: white !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-3px) !important;
}

.btn-secondary, .contact-cta-buttons .btn-secondary {
    background-color: var(--primary-color) !important;
    color: white !important;
    border: none !important;
    font-weight: 700 !important;
    font-size: 1.2rem !important;
    text-shadow: none !important;
    box-shadow: none !important;
    border-radius: var(--radius-md) !important;
}

.btn-secondary:hover, .contact-cta-buttons .btn-secondary:hover {
    background-color: var(--primary-dark) !important;
    color: white !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-3px) !important;
    text-shadow: none !important;
}

/* 联系信息样式 */
.contact-info {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.contact-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.contact-info h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.info-content {
    /* Default layout for all languages except English */
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.info-item {
    text-align: center;
    max-width: 250px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

/* Responsive design for contact info */
@media (max-width: 1024px) {
    .info-content {
        gap: 15px;
    }
    .info-item {
        flex-basis: calc(50% - 10px);
        margin-bottom: 15px;
    }
}

@media (max-width: 768px) {
    .info-content {
        flex-direction: column;
        gap: 15px;
        max-width: 800px;
        margin: 0 auto;
        align-items: stretch;
    }
    .info-item {
        flex-basis: 100%;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        text-align: left;
        max-width: none;
        width: 100%;
        min-width: auto;
        padding: 20px 25px;
        flex-direction: row;
        position: relative;
        height: auto;
        min-height: 60px;
    }
    /* 完全隐藏图标，不影响布局 */
    .info-item .info-icon {
        display: none !important;
    }
    /* 标题容器 */
    .info-item h3 {
        flex-shrink: 0;
        margin: 0;
        margin-right: 20px;
        min-width: 120px;
        text-align: right;
        font-size: 16px;
        font-weight: 500;
        vertical-align: middle;
        display: inline-block;
        height: auto;
        line-height: normal;
    }
    
    /* 英文版移动端样式调整 */
    .info-content.english {
        flex-direction: column;
        gap: 15px;
        max-width: 800px;
        margin: 0 auto;
        align-items: stretch;
    }
    
    .info-content.english .info-item {
        flex-basis: 100%;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        text-align: left;
        max-width: none;
        width: 100%;
        min-width: auto;
        padding: 20px 25px;
        flex-direction: row;
        position: relative;
        height: auto;
        min-height: 60px;
    }
    
    .info-content.english .info-item h3 {
        flex-shrink: 0;
        margin: 0;
        margin-right: 20px;
        min-width: 120px;
        text-align: right;
        font-size: 16px;
        font-weight: 500;
        vertical-align: middle;
        display: inline-block;
        height: auto;
        line-height: normal;
        border-bottom: none;
        padding-bottom: 0;
    }
    
    /* 英文版移动端联系信息布局 */
    .info-content.english .info-item .contact-person {
        width: 100%;
        padding: 15px;
        margin-bottom: 10px;
        text-align: left;
    }
    
    .info-content.english .info-item .contact-name {
        font-size: 1rem;
        padding-bottom: 5px;
        margin-bottom: 8px;
    }
    /* 内容容器 */
    .info-item p {
        flex: 1;
        margin: 0;
        text-align: left;
        font-size: 16px;
        vertical-align: middle;
        display: inline-block;
        line-height: 1.5;
        height: auto;
    }
}

.info-content.english {
    align-items: stretch;
    /* Specific layout for English version - four horizontal rows */
    justify-content: center;
    flex-direction: column;
    gap: 15px;
    max-width: 800px;
    margin: 0 auto;
}

/* 英文版联系信息三块布局样式 */
.info-content.english {
    display: flex;
    justify-content: space-between;
    flex-direction: row;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.info-content.english .info-item {
    /* 与中文版相同的三块布局 */
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    flex: 1;
    max-width: none;
    width: auto;
    min-width: auto;
    padding: 30px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.info-content.english .info-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.info-content.english .info-item h3 {
    margin-right: 0;
    margin-bottom: 15px;
    text-align: left;
    font-size: 1.3rem;
    font-weight: 700;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    display: block;
    width: 100%;
    color: #ffffff;
}

.info-content.english .info-item p {
    margin-bottom: 10px;
    text-align: left;
    font-size: 1rem;
    line-height: 1.8;
    color: #ffffff;
    font-weight: 450;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* 确保联系人信息在英文版中正确显示 */
.info-content.english .contact-person {
    display: block;
    width: 100%;
    text-align: left;
    margin: 0 0 15px 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.info-content.english .contact-person:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

.info-content.english .contact-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.info-item:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.info-icon {
    font-size: 2rem;
    margin-bottom: 15px;
    display: inline-block;
    width: 60px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.info-item:hover .info-icon {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.3);
}

.info-item h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    opacity: 0.95;
    font-weight: 600;
}

.info-item p {
    opacity: 0.9;
    line-height: 1.7;
    font-size: 1rem;
    margin: 0;
    transition: opacity 0.3s ease;
}

.info-item:hover p {
    opacity: 1;
}

.info-item a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.info-item a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 1024px) {
    .info-content {
        flex-wrap: wrap;
    }
    
    .info-item {
        flex-basis: calc(50% - 10px);
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .info-item {
        flex-basis: 100%;
        margin-bottom: 20px;
    }
}

/* 联系表单样式 */
.contact-form {
    padding: 80px 0;
    background-color: var(--bg-color);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(44, 90, 160, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.contact-form h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
    z-index: 1;
}

.contact-form h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.form-image {
    flex: 1;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.form-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: rgba(44, 90, 160, 0.05);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: white;
}

.overlay-content h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.overlay-content p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.contact-form form {
    flex: 1;
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(44, 90, 160, 0.1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Responsive design for form */
@media (max-width: 992px) {
    .form-container {
        flex-direction: column;
    }
    
    .form-image {
        min-height: 300px;
    }
}

.contact-form form:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: var(--card-bg);
    padding: 0 5px;
    pointer-events: none;
    opacity: 0.7;
}

/* 标签动画效果 */
.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 10px;
    font-size: 0.85rem;
    color: var(--primary-color);
    opacity: 1;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 12px 10px;
    border: 2px solid rgba(44, 90, 160, 0.1);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: var(--card-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1), 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.form-group textarea {
    resize: vertical;
    min-height: 180px;
    padding-top: 20px;
}

.contact-form .btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 16px 40px;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(44, 90, 160, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    width: 100%;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.contact-form .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.contact-form .btn:hover::before {
    left: 100%;
}

.contact-form .btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    box-shadow: 0 8px 25px rgba(44, 90, 160, 0.4);
    transform: translateY(-3px);
}

.contact-form .btn:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(44, 90, 160, 0.3);
}

/* 地理位置地图样式 */
.location-map {
    padding: 80px 0;
    background-color: var(--bg-color);
    position: relative;
}

.location-map::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.03) 0%, rgba(243, 156, 18, 0.02) 100%);
    z-index: -1;
}

.location-map h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
}

.location-map h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* 地图容器样式 */
.map {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    margin: 20px 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 特殊符号选择器样式 */
.symbol-selector {
    margin: 15px 0 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.symbol-selector label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: #333;
}

.symbols {
    margin-top: 10px;
}

.symbol-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
    padding: 10px;
    background-color: #fff;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.symbol-item {
    display: inline-block;
    width: 32px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    background-color: #fff;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s ease;
    user-select: none;
}

.symbol-item:hover {
    background-color: #2c5aa0;
    color: white;
    border-color: #2c5aa0;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(44, 90, 160, 0.3);
}

.symbol-item:active {
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(44, 90, 160, 0.2);
}

.map iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.map iframe:hover {
    box-shadow: var(--shadow-md);
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: white;
    padding: 50px 0 20px;
    position: relative;
    overflow: hidden; /* 防止内容溢出 */
}

/* 页脚容器样式 */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 0;
}

/* 竖线样式 */
.footer-divider {
    width: 1px;
    background-color: #555;
    height: 150px; /* 固定高度 */
    margin: 0 20px;
    align-self: center;
}

/* 社交媒体图标容器 */
.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 页脚各区域基础样式 */
.footer-info,
.footer-links,
.footer-social {
    flex: 1;
    min-width: 250px;
    padding: 0 15px;
    position: relative;
    overflow: hidden; /* 防止内容溢出 */
    box-sizing: border-box; /* 确保内边距不导致溢出 */
}

/* 响应式调整 - 页脚 */
@media (max-width: 992px) {
    footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 20px;
        padding: 20px 0;
    }
    
    .footer-divider {
        display: none;
    }
    
    .footer-info,
    .footer-links,
    .footer-social {
        min-width: 100%;
        padding: 0;
    }
    
    .footer-info {
        order: 1;
    }
    
    .footer-links {
        order: 2;
    }
    
    .footer-social {
        order: 3;
    }
}

@media (max-width: 768px) {
    footer {
        padding: 30px 0 15px;
    }
    
    .footer-content {
        padding: 15px 0;
        gap: 15px;
    }
    
    .footer-info h3 {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .footer-info p {
        font-size: 13px;
        margin-bottom: 10px;
    }
    
    .footer-links h4,
    .footer-social h4 {
        font-size: 16px;
        margin-bottom: 15px;
    }
    
    .footer-links ul li {
        margin-bottom: 10px;
    }
    
    .footer-links ul li a {
        font-size: 13px;
    }
    
    .social-icons {
        gap: 15px;
    }
    
    .social-icons a {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .footer-info h3 {
        font-size: 16px;
    }
    
    .footer-info p {
        font-size: 12px;
    }
    
    .footer-links h4,
    .footer-social h4 {
        font-size: 15px;
    }
    
    .footer-links ul li a {
        font-size: 12px;
    }
    
    .social-icons {
        gap: 12px;
    }
    
    .social-icons a {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
}

/* 页脚信息区域 */
.footer-info {
    flex: 1.5;
}

/* 页脚信息标题样式 */
.footer-info h3 {
    margin-bottom: 20px;
    color: white;
    font-size: 20px;
    font-weight: bold;
    position: relative;
    padding-bottom: 10px;
}

.footer-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: #1890ff; /* 改为类似阿里云的蓝色 */
}

.footer-info p {
    margin-bottom: 12px;
    color: white;
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.9;
}

/* 关注我们部分布局 */
.footer-social {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    overflow: hidden; /* 防止内容溢出 */
}

/* 关注我们标题样式 */
.footer-social h4 {
    margin-bottom: 20px;
    font-size: 18px;
    color: white;
    width: 100%;
    text-align: center;
    position: relative;
    padding-bottom: 10px;
}

.footer-social h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background-color: #1890ff; /* 改为类似阿里云的蓝色 */
}

/* 图标容器布局 - 使用flexbox确保左右排列 */
.footer-social > div {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

/* 单个图标容器样式 */
.footer-social .qr-code-container {
    display: inline-block;
    margin: 0;
    vertical-align: middle;
}

/* 抖音SVG图标样式 */
.douyin-btn .tiktok-svg {
    width: 30px;
    height: 30px;
    fill: #ffffff;
}

/* 抖音按钮样式 */
.douyin-btn {
    background: linear-gradient(135deg, #fe2c55, #000000, #00f2ea);
    color: white;
    border: 2px solid #fe2c55;
    box-shadow: 0 2px 8px rgba(254, 44, 85, 0.3);
    position: relative;
}

.douyin-btn:hover {
    background: linear-gradient(135deg, #fe2c55, #1a1a1a, #00f2ea);
    box-shadow: 0 4px 12px rgba(254, 44, 85, 0.5);
}

/* 快速链接样式 */
.footer-links {
    text-align: center;
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 18px;
    color: white;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background-color: #1890ff; /* 改为类似阿里云的蓝色 */
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 15px;
    position: relative;
    display: inline-block;
    padding: 5px 10px;
    border-radius: 3px;
}

.footer-links a:hover {
    color: #1890ff;
    background-color: rgba(24, 144, 255, 0.2);
}

/* 抖音暂无二维码样式 */
.no-qr-container {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.no-qr-animation {
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.tiktok-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    background: linear-gradient(45deg, #ff0050, #e6004c, #ff0050, #e6004c);
    border-radius: 15px;
    position: relative;
    animation: pulse 2s infinite, rotate 3s linear infinite;
    display: flex;
    align-items: center;
    align-items: center;
    justify-content: center;
}

.tiktok-icon::before {
    content: '';
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 10px;
    position: relative;
    z-index: 1;
}

.tiktok-icon::after {
    content: '';
    width: 25px;
    height: 25px;
    background: linear-gradient(45deg, #ff0050, #e6004c);
    border-radius: 5px;
    position: absolute;
    z-index: 2;
}

.no-qr-animation span {
    font-size: 20px;
    color: #666;
    font-weight: 500;
    animation: bounce 1.5s infinite;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 0, 80, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 0, 80, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 0, 80, 0);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 移动端页脚左对齐美化 */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-info,
    .footer-links,
    .footer-social {
        width: 100%;
        max-width: 400px;
        border: none;
        padding: 20px 0;
    }
    
    .footer-info,
    .footer-links {
        border-bottom: 1px solid #555;
    }
    
    .footer-info h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    /* 英文版页脚公司名称响应式缩小 */
    [lang="en"] .footer-info h3 {
        font-size: 1.1rem;
    }
    
    /* 小屏幕下进一步缩小 */
    @media (max-width: 480px) {
        [lang="en"] .footer-info h3 {
            font-size: 0.95rem;
        }
    }
}



.footer-bottom {
    text-align: center;
    padding: 30px 20px;
    margin-top: 40px;
    border-top: 1px solid #555;
    color: white;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 8px 8px 0 0;
}

.footer-bottom p {
    color: white;
    font-size: 13px;
    margin-bottom: 8px;
    opacity: 0.8;
    line-height: 1.6;
}

/* 备案号样式美化 */
.footer-bottom p:nth-child(2),
.footer-bottom p:nth-child(3) {
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
    padding: 4px 12px;
    border-radius: 20px;
    background-color: rgba(255, 255, 255, 0.1);
    display: inline-block;
    margin: 5px 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.footer-bottom p:nth-child(2):hover,
.footer-bottom p:nth-child(3):hover {
    background-color: rgba(255, 255, 255, 0.15);
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* 备案号链接样式优化 */
.footer-bottom a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding: 2px 4px;
    border-radius: 3px;
}

.footer-bottom a:hover {
    color: #1890ff;
    background-color: rgba(24, 144, 255, 0.2);
    text-decoration: none;
    transform: translateY(-1px);
}

.footer-bottom a:active {
    transform: translateY(0);
}

.footer-bottom a:focus {
    outline: 2px solid rgba(24, 144, 255, 0.5);
    outline-offset: 2px;
}

/* 二维码按钮样式 */
.qr-btn {
    padding: 15px;
    border: none;
    border-radius: 50%; /* 改为圆形 */
    margin: 10px 5px;
    cursor: pointer;
    font-size: 28px;
    transition: transform 0.3s, box-shadow 0.3s;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* 微信按钮样式 */
.wechat-btn {
    background: linear-gradient(135deg, #07C160, #06B355);
    color: white;
    border: 2px solid #07C160;
    box-shadow: 0 2px 8px rgba(7, 193, 96, 0.3);
}

.wechat-btn:hover {
    background: linear-gradient(135deg, #06B355, #05A64D);
    box-shadow: 0 4px 12px rgba(7, 193, 96, 0.5);
}

/* 抖音按钮样式 - 抖音品牌色发光效果 */
button.qr-btn.douyin-btn {
    background: linear-gradient(135deg, #fe2c55, #000000, #00f2ea) !important;
    color: white !important;
    border: none !important;
    box-shadow: 0 2px 8px rgba(254, 44, 85, 0.3) !important;
    transition: all 0.3s ease !important;
}

button.qr-btn.douyin-btn:hover {
    background: linear-gradient(135deg, #ff3a64, #1a1a1a, #00e6da) !important;
    box-shadow: 0 4px 12px rgba(254, 44, 85, 0.5) !important;
}

/* 模态框样式 */
.qr-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
}

.qr-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    border-radius: 10px;
    width: 300px;
    text-align: center;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

/* 社交媒体图标颜色 */
.wechat-btn .fa-weixin {
    color: white;
    font-size: 30px;
}

/* QR码图片样式 */
.qr-content img {
    width: 200px;
    height: 200px;
}

/* 二维码文字提示样式 */
.qr-tip {
    margin-top: 15px;
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* 联系人信息样式 */
.contact-person {
    margin-top: 10px;
    font-size: 13px;
    color: #333;
    font-weight: 500;
}

/* 联系信息区域整体美化 - 液态玻璃风格 */
.contact-info .info-content {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

/* 左右两列布局 */
.contact-info .info-left-column,
.contact-info .info-right-column {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info .info-item {
    flex: 1;
    min-height: auto;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

/* 确保右侧列高度与左侧两列总和一致 */
.contact-info .info-right-column .info-item {
    min-height: calc(100% - 25px);
}

/* 移动端响应式设计 */
@media (max-width: 768px) {
    /* 移动端改为单列布局 */
    .contact-info .info-content {
        flex-direction: column;
    }
    
    /* 确保所有信息块宽度一致 */
    .contact-info .info-left-column,
    .contact-info .info-right-column,
    .contact-info .info-item {
        min-width: 100%;
        width: 100%;
        flex-basis: auto;
    }
    
    /* 重置移动端的高度计算 */
    .contact-info .info-right-column .info-item {
        min-height: auto;
    }
}

.contact-info .info-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.contact-info .info-item .info-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #ffffff;
    display: block;
}

.contact-info .info-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
    margin-top: 20px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.contact-info .info-item p {
    color: #ffffff;
    line-height: 1.8;
    margin-bottom: 10px;
    font-weight: 450;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* 联系人信息美化样式 */
.contact-person {
    display: block;
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    margin-right: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    text-align: left;
}

.contact-person:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

.contact-person p {
    text-align: left;
    margin: 0;
}

.contact-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* 英文版本联系信息样式保持一致 */
.info-content.english .info-item {
    background: rgba(255, 255, 255, 0.15);
}

.info-content.english .info-item:hover {
    background: rgba(255, 255, 255, 0.25);
}

.info-content.english h3 {
    color: #ffffff;
}

.info-content.english p {
    color: #ffffff;
}

/* 英文版本联系人名称样式 */
.info-content.english .contact-name {
    color: #ffffff;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

/* 调整联系人信息容器的最大宽度 */
.info-content:not(.english) .info-item {
    max-width: 100%;
    overflow: hidden;
}

/* 浏览器尺寸缩小响应式设计 - 当菜单开始换行时 */
@media (max-width: 1100px) {
    /* 缩小菜单字体 */
    nav ul li a {
        font-size: 0.9rem;
        padding: 5px 8px;
    }
    
    /* 统一菜单项的hover和active样式 */
    nav ul li a:hover,
    nav ul li a.active {
        color: var(--primary-color) !important;
        background-color: rgba(44, 90, 160, 0.05) !important;
        font-weight: 500;
    }
    
    /* 统一菜单项的hover和active伪元素样式 */
    nav ul li a:hover::after,
    nav ul li a.active::after {
        width: 100% !important;
    }
    
    /* 缩小搜索框和搜索按钮 */
    .search-box {
        width: 150px;
        padding: 6px 10px;
        font-size: 0.9rem;
    }
    
    .search-box:focus {
        width: 180px;
    }
    
    .search-btn {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    
    /* 缩小语言按钮 */
    .language-trigger {
        padding: 6px 12px;
        padding-right: 30px;
        font-size: 0.9rem;
    }
    
    /* 缩小logo */
    .logo img {
        height: 50px;
    }
    
    /* 调整容器内边距 */
    header .container {
        padding: 10px 15px;
    }
}

/* 进一步缩小屏幕时 */
@media (max-width: 1000px) {
    /* 进一步缩小菜单字体 */
    nav ul li a {
        font-size: 0.85rem;
        padding: 5px 6px;
    }
    
    /* 统一菜单项的hover和active样式 */
    nav ul li a:hover,
    nav ul li a.active {
        color: var(--primary-color) !important;
        background-color: rgba(44, 90, 160, 0.05) !important;
        font-weight: 500;
    }
    
    /* 统一菜单项的hover和active伪元素样式 */
    nav ul li a:hover::after,
    nav ul li a.active::after {
        width: 100% !important;
    }
    
    /* 进一步缩小搜索框 */
    .search-box {
        width: 130px;
    }
    
    .search-box:focus {
        width: 160px;
    }
    
    /* 进一步缩小logo */
    .logo img {
        height: 45px;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 调整标题下方装饰线在移动端的居中 */
    .about h2::after,
    .products h2::after,
    .cooperation h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    /* 导航栏和搜索框适配 */
    header .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nav-search {
        width: 100%;
        display: flex;
        flex-direction: column;
        margin-top: 15px;
    }
    
    nav ul {
        flex-direction: column;
        width: 100%;
        margin-left: 0;
    }
    
    nav ul li {
        margin: 10px 0;
        width: 100%;
    }
    
    /* 统一菜单项的hover和active样式 */
    nav ul li a:hover,
    nav ul li a.active {
        color: var(--primary-color) !important;
        background-color: rgba(44, 90, 160, 0.05) !important;
        font-weight: 500;
    }
    
    /* 统一菜单项的hover和active伪元素样式 */
    nav ul li a:hover::after,
    nav ul li a.active::after {
        width: 100% !important;
    }
    
    /* 移动端联系信息样式 */
    .contact-info .info-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .contact-info .info-item {
        min-width: 100%;
        padding: 20px;
        text-align: center;
    }
    
    .contact-info .info-item h3 {
        text-align: center;
        display: inline-block;
        border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    }
    
    .contact-info .info-item .info-icon {
        font-size: 2rem;
    }
    
    /* 确保移动端文本不会溢出 */
    .contact-person p {
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word;
    }
    
    /* 优化移动端电话号码和邮箱的显示 - 解决溢出问题 */
    .contact-person p a {
        font-size: 0.9rem;
        word-break: break-all;
        display: inline-block;
        max-width: 100%;
        overflow-wrap: anywhere;
    }
    
    /* 扩展到所有联系信息文本的溢出控制 */
    .contact-info .info-item p {
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word;
    }
    
    .contact-info .info-item p a {
        font-size: 0.9rem;
        word-break: break-all;
        display: inline-block;
        max-width: 100%;
        overflow-wrap: anywhere;
    }
    
    /* 移动端下拉菜单样式 */
    nav ul li.dropdown {
        position: relative;
    }
    
    nav ul li.dropdown > a::after {
        content: '▼';
        font-size: 0.7em;
        margin-left: 10px;
        vertical-align: middle;
        float: right;
    }
    
    nav ul li .submenu {
        position: static;
        display: none;
        width: 100%;
        box-shadow: none;
        background-color: rgba(0, 0, 0, 0.05);
        border-radius: 0;
    }
    
    nav ul li.dropdown:hover .submenu {
        display: block;
    }
    
    nav ul li .submenu li {
        margin: 0;
        padding: 0;
    }
    
    nav ul li .submenu li a {
        padding: 10px 20px;
        color: #333;
        font-weight: 400;
        border-left: 3px solid transparent;
    }
    
    nav ul li .submenu li a:hover {
        background-color: rgba(44, 90, 160, 0.1);
        color: var(--primary-color);
        padding-left: 25px;
        border-left-color: var(--primary-color);
    }
    
    /* 美化移动端菜单 */
    nav.active {
        display: block !important;
        background-color: #fff;
        padding: 20px;
        margin: 10px 0;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
        position: relative;
        left: 0;
        right: 0;
        width: calc(100% - 40px);
        margin-left: auto;
        margin-right: auto;
    }
    
    /* 移动端菜单内边距 */
    nav.active ul {
        padding: 10px;
    }
    
    /* 移动端菜单项间距 */
    nav.active ul li {
        margin: 8px 0;
    }
    
    /* 移动端菜单链接样式 */
    nav.active ul li a {
        display: block;
        padding: 12px 15px;
        border-radius: var(--radius-sm);
    }
    
    /* 移动端当前页面导航项样式 */
    nav.active ul li a.active {
        color: var(--primary-color) !important;
        background-color: rgba(44, 90, 160, 0.05) !important;
        font-weight: 500;
    }
    
    /* 移动端子菜单样式 */
    nav.active ul li .submenu {
        margin: 5px 0 5px 15px;
        background-color: #f9f9f9;
        border-radius: var(--radius-sm);
    }
    
    .search-container {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
    }
    
    .search-box {
        width: 100%;
        border-radius: 20px;
    }
    
    .search-box:focus {
        width: 100%; /* 移动端搜索框获得焦点时保持100%宽度 */
    }
    
    .search-btn {
        display: none; /* 在移动端隐藏搜索按钮 */
    }
    
    /* 隐藏原始导航 */
    nav {
        display: none !important;
        width: 100%;
    }
    
    /* 显示移动端菜单切换按钮 */
    .nav-toggle {
        display: flex !important;
    }
    
    /* 头部操作区适配 */
    .header-actions {
        flex-direction: row;
        gap: 10px;
        margin-right: 10px;
        margin-top: 15px;
        width: 100%;
        justify-content: space-between;
        align-items: center;
    }
    
    /* 搜索框适配 */
    .search-container {
        margin-left: 0;
        margin-top: 0;
        width: calc(100% - 90px);
    }
    
    .search-box {
        width: 100%;
        border-radius: 20px;
        padding: 8px 15px;
    }
    
    .search-box:focus {
        width: 100%; /* 移动端搜索框获得焦点时保持100%宽度 */
    }
    
    .search-btn {
        display: none; /* 在移动端隐藏搜索按钮 */
    }
    
    /* 移动端语言菜单调整 */
    .language-group {
        margin-left: 0;
        margin-top: 0;
        width: auto;
    }
    
    .language-trigger {
        display: block;
        padding: 8px 15px;
        width: auto;
        text-align: center;
        background-color: #2c5aa0;
        color: white;
        border-radius: 20px;
        font-size: 0.9rem;
    }
    
    .language-trigger:hover {
        background-color: #1a4070;
    }
    
    .language-dropdown {
        position: absolute;
        right: 10px;
        top: 100%;
        display: none;
        background-color: white;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        margin-top: 10px;
        margin-left: 0;
        min-width: 150px;
        border-radius: 8px;
        z-index: 1000;
    }
    
    .language-dropdown li a {
        padding: 10px 15px;
        color: #333;
        display: block;
        transition: background-color 0.3s ease;
    }
    
    .language-dropdown li a:hover {
        background-color: #f5f5f5;
    }
    
    /* 支持悬停和点击显示下拉菜单 */
    .language-group:hover .language-dropdown,
    .language-group:focus-within .language-dropdown {
        display: block;
    }
    
    /* 移除语言触发按钮的默认焦点轮廓 */
    .language-trigger:focus {
        outline: none;
    }
    
    /* 在移动端显示菜单按钮 */
    .nav-toggle {
        display: block;
    }
    
    nav.active {
        display: block !important;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        padding: 20px 0;
        z-index: 999;
    }
    
    /* 英雄区适配 */
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    /* 时间轴适配 - 精确对齐 */
    .timeline::after {
        left: 43px !important; /* 时间线中心点位置 */
        margin-left: -2px !important; /* 时间线宽度的一半，确保居中 */
        width: 4px !important;
    }
    
    .timeline-item {
        width: 100% !important;
        padding-left: 100px !important;
        padding-right: 25px !important;
    }
    
    .timeline-item:nth-child(even) {
        left: 0% !important;
    }
    
    .timeline-item .year,
    .timeline-item:nth-child(odd) .year,
    .timeline-item:nth-child(even) .year {
        /* 精确对齐时间线：年份圆圈中心点在43px位置 */
        left: 43px !important;
        top: 50% !important;
        transform: translate(-50%, -50%) !important;
        width: 66px !important;
        height: 66px !important;
        font-size: 1.2rem !important;
    }
    
    /* 移动端年份圆圈悬停效果 - 保持中心点对齐 */
    .timeline-item:hover .year {
        transform: translate(-50%, -50%) scale(1.1) !important;
    }
    
    /* 产品分类适配 */
    .product-list ul {
        columns: 1;
    }
    
    /* 联系信息适配 */
    .info-content {
        flex-direction: column;
        align-items: center;
    }
    
    .info-item {
        margin-bottom: 20px;
    }
    
    /* 移动端人名样式优化 */
    .contact-person {
        padding: 15px;
        margin-bottom: 10px;
        display: block;
        width: 100%;
    }
    
    .contact-person p {
        display: block;
        width: 100%;
        margin-bottom: 5px;
    }
    
    .contact-name {
        font-size: 1rem;
        padding-bottom: 5px;
        margin-bottom: 8px;
        display: block;
        width: 100%;
    }
    
    /* 联系表单适配 */
    .form-group {
        margin-bottom: 15px;
    }
    
    /* 页脚适配 */
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    /* 在移动端隐藏竖线分隔符 */
    .footer-divider {
        display: none;
    }
    
    .footer-info, .footer-links {
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 80px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .page-title h1 {
        font-size: 1.8rem;
    }
    
    .about h2,
    .products h2,
    .cooperation h2,
    .contact-cta h2,
    .company-profile h2,
    .product-series h2,
    .development h2,
    .location h2,
    .product-categories h2,
    .product-features h2,
    .cooperation-mode h2,
    .service-guarantee h2,
    .cooperation-process h2,
    .related-products h2,
    .contact-form h2,
    .location-map h2 {
        font-size: 1.8rem !important;
        margin-bottom: 30px !important;
        text-align: center !important;
        color: var(--primary-color) !important;
        position: relative !important;
        padding-bottom: 20px !important;
    }
    
    /* 确保所有h2标题下划线样式一致 */
    .about h2::after,
    .products h2::after,
    .cooperation h2::after,
    .contact-cta h2::after,
    .company-profile h2::after,
    .product-series h2::after,
    .development h2::after,
    .location h2::after,
    .product-categories h2::after,
    .product-features h2::after,
    .cooperation-mode h2::after,
    .service-guarantee h2::after,
    .cooperation-process h2::after,
    .related-products h2::after,
    .contact-form h2::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 3px;
        background-color: var(--primary-color);
        border-radius: 2px;
    }
    
    .contact-form form {
        padding: 20px;
    }
}