/* =============================================
   简化页面样式 - 优化整理版
   
   响应式断点说明：
   - 1200px: 移动菜单切换点
   - 1024px: 平板横屏
   - 768px:  平板竖屏/大手机横屏
   - 480px:  手机
   - 360px:  小屏手机
   
   所有响应式规则已集中在文件末尾，方便管理和维护。
   文件中部分旧的分散 @media 查询已标记为 [DEPRECATED]，
   可以安全删除。
   ============================================= */

/* =============================================
   1. 基础设置
   ============================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --dark-gray: #333;
    --border-color: #333;
    --primary-color: #67a7b3;
    --primary-hover: #5a96a3;
    --accent-color: #bde500;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    font-size: 16px;
}

/* 全局链接样式 */
a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

/* =============================================
   2. 布局容器
   ============================================= */
.container {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
}

.inner-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-content .container {
    background: #fff;
}

.main-content .inner-container {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.main-content {
    padding: 0;
    margin: 2rem 0;
}

.main-content.no-margin {
    margin: 0;
}

/* =============================================
   3. 头部导航
   ============================================= */
.header {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 60px;
    width: auto;
}

.search-icon {
    font-size: 1.2rem;
    padding: 0.5rem;
}

.search-icon:hover {
    color: var(--primary-color);
}

/* 导航菜单 */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    width: 24px;
    height: 2px;
    background: #333;
    position: relative;
    transition: 0.3s;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: #333;
    transition: 0.3s;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.7rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

/* 当前页面激活样式 */
.nav-menu li.active > a {
    color: var(--primary-color);
    font-weight: 600;
}

/* 没有子菜单的激活项显示底部下划线 */
.nav-menu li.active:not(:has(> ul)) > a::after {
    /* content: ''; */
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu li:not(:nth-last-child(3)):not(:last-child):not(:has(.dropdown-content)) a:hover {
    color: var(--primary-color);
}

.nav-menu li:has(.dropdown-content) > a:hover {
    color: var(--primary-color);
}

/* 400电话按钮 - PC端默认隐藏 */
.phone-link {
    display: none;
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 0;
    background: transparent;
    transition: all 0.3s;
}

.phone-link i {
    margin-right: 0.3rem;
}

.phone-link:hover {
    color: #fff !important;
    background: var(--accent-color);
    border-color: var(--accent-color);
}

/* 下拉菜单 */
.nav-menu li:has(> ul) {
    position: relative;
}

/* 主菜单下拉箭头 - 只在桌面版显示 */
@media (min-width: 481px) {
    .nav-menu > li:has(> ul) > a::after {
        /* content: ''; */
        display: inline-block;
        margin-left: 5px;
        width: 0;
        height: 0;
        border-left: 4px solid transparent;
        border-right: 4px solid transparent;
        border-top: 4px solid currentColor;
        transition: transform 0.3s;
        vertical-align: middle;
    }
    
    .nav-menu > li:has(> ul):hover > a::after {
        transform: rotate(180deg);
    }
}

.nav-menu > li > ul {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    background: #fff;
    min-width: 200px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: 0.3s;
    z-index: 1000;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu ul li {
    position: relative;
}

.nav-menu ul li > ul {
    position: absolute;
    top: 0;
    left: 100%;
    background: #fff;
    min-width: 200px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: 0.3s;
    z-index: 1001;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu > li:has(> ul):hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu ul li:has(> ul):hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.nav-menu ul a {
    display: block;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #eee;
    white-space: nowrap;
    position: relative;
    color: #333;
    text-decoration: none;
    transition: background 0.3s, color 0.3s;
}

.nav-menu ul a:hover {
    background: #f8f9fa;
    color: var(--primary-color);
}

/* 有二级菜单的链接样式 - 只在桌面版显示 */
@media (min-width: 481px) {
    .nav-menu ul li:has(> ul) > a {
        padding-right: 2.5rem;
    }
    
    .nav-menu ul li:has(> ul) > a::after {
        content: '';
        position: absolute;
        right: 1.2rem;
        top: 50%;
        transform: translateY(-50%);
        width: 0;
        height: 0;
        border-top: 4px solid transparent;
        border-bottom: 4px solid transparent;
        border-left: 4px solid #999;
    }
}

/* 语言切换和搜索下拉框 */
.lang-switch,
.search-switch {
    position: relative;
}

/* 语言切换按钮 */
.lang-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #666;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

/* 桌面版显示简称 */
.lang-btn .lang-short {
    display: inline;
}

.lang-btn .lang-flag {
    display: none;
}

.lang-btn .lang-full {
    display: none;
}

.lang-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(103, 167, 179, 0.05);
}

.lang-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #fff;
}

.lang-btn.active:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #fff;
}

.lang-dropdown,
.search-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: #fff;
    min-width: 120px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
}

/* 搜索下拉框更宽 */
.search-dropdown {
    min-width: 320px;
    padding: 1rem;
}

.lang-dropdown.active,
.search-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 语言选项 */
.lang-dropdown li {
    margin: 0;
}

.lang-dropdown a {
    display: block;
    padding: 0.6rem 1rem;
    color: #333;
    text-decoration: none;
    transition: all 0.3s;
    border-radius: 4px;
    margin: 0 0.5rem;
}

.lang-dropdown a:hover {
    background: #f8f9fa;
    color: var(--primary-color);
}

.lang-dropdown a.active {
    background: rgba(103, 167, 179, 0.1);
    color: var(--primary-color);
    font-weight: 600;
}

/* 搜索下拉框表单 */
.search-dropdown-form {
    width: 100%;
}

.search-input-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.search-dropdown-input {
    flex: 1;
    padding: 0.7rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 0.95rem;
    transition: all 0.3s;
    outline: none;
}

.search-dropdown-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(103, 167, 179, 0.1);
}

.search-dropdown-btn {
    padding: 0.7rem 1.2rem;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}

.search-dropdown-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(103, 167, 179, 0.3);
}

.search-dropdown-btn i {
    font-size: 1rem;
}

/* =============================================
   4. 页面标题和文章列表
   ============================================= */
.page-title {
    text-align: center;
    margin: 2rem 0 3rem 0;
}

.page-title h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.page-title p {
    color: #666;
    font-size: 1.1rem;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.article-card {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    background: transparent;
}

.article-card .article-title a,
.article-card .read-more {
    position: relative;
    z-index: 2;
}

.article-card .article-meta,
.article-card .article-excerpt {
    position: relative;
    z-index: 2;
}

.article-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.02);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1;
    pointer-events: none;
}

.article-card:hover::after {
    opacity: 1;
}

.article-image {
    position: relative;
    overflow: hidden;
    height: 18rem;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.article-card:hover .article-image img {
    transform: scale(1.1);
}

.article-card .article-content {
    padding: 1.5rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #666;
}

/* 文章meta中的标签 */
.article-meta .meta-label {
    color: #666;
    font-weight: 500;
}

/* =============================================
   Tags页面 - 列表式布局
   ============================================= */
.tag-content-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.tag-item {
    display: flex;
    gap: 1.5rem;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    padding: 1.5rem;
}

.tag-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.tag-item-left {
    flex-shrink: 0;
}

.tag-item-thumb {
    display: block;
    width: 200px;
    height: 150px;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.tag-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.tag-item:hover .tag-item-thumb img {
    transform: scale(1.05);
}

.tag-item-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.tag-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-item-type {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: #fff;
    font-size: 0.8rem;
    border-radius: 4px;
    font-weight: 500;
}

.tag-item-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #999;
}

.tag-item-meta time {
    color: #666;
}

.tag-item-meta .separator {
    color: #ddd;
}

.tag-item-meta .lang-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

.tag-item-meta .lang-link:hover {
    opacity: 0.7;
}

.tag-item-meta .lang-flag {
    display: inline-block;
    width: 16px;
    height: 12px;
    border-radius: 2px;
}

.tag-item-meta .flag-us {
    background: linear-gradient(to bottom, 
        #b22234 0%, #b22234 7.69%, 
        white 7.69%, white 15.38%,
        #b22234 15.38%, #b22234 23.07%,
        white 23.07%, white 30.76%,
        #b22234 30.76%, #b22234 38.45%,
        white 38.45%, white 46.14%,
        #b22234 46.14%, #b22234 53.83%,
        white 53.83%, white 61.52%,
        #b22234 61.52%, #b22234 69.21%,
        white 69.21%, white 76.9%,
        #b22234 76.9%, #b22234 84.59%,
        white 84.59%, white 92.28%,
        #b22234 92.28%, #b22234 100%);
    position: relative;
}

.tag-item-meta .flag-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40%;
    height: 53.83%;
    background: #3c3b6e;
}

.tag-item-meta .lang-text {
    font-size: 0.75rem;
    font-weight: 600;
}

.tag-item-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.tag-item-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tag-item:hover .tag-item-title a {
    color: var(--primary-color);
}

.tag-item-desc {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tag-item-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag-item-tags {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.mini-tag {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    background: #f5f5f5;
    color: #666;
    font-size: 0.8rem;
    border-radius: 3px;
    text-decoration: none;
    transition: all 0.3s;
}

.mini-tag:hover {
    background: var(--primary-color);
    color: #fff;
}

.read-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: gap 0.3s;
}

.read-link:hover {
    gap: 0.75rem;
}

.read-link i {
    font-size: 0.8rem;
}

/* 手机端适配 */
@media (max-width: 768px) {
    .tag-item {
        flex-direction: column;
        padding: 1rem;
    }
    
    .tag-item-thumb {
        width: 100%;
        height: 180px;
    }
    
    .tag-item-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .tag-item-title {
        font-size: 1.1rem;
    }
    
    .tag-item-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* 文章列表中的语言切换链接 */
.article-meta .lang-switch-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s;
    border-radius: 50%;
    background: rgba(103, 167, 179, 0.1);
}

.article-meta .lang-switch-link:hover {
    background: rgba(103, 167, 179, 0.2);
    color: var(--primary-hover);
    transform: scale(1.1);
}

.article-meta .lang-switch-link i {
    font-size: 1rem;
}

/* 文章列表中的旗帜图标 */
.article-meta .lang-flag {
    display: inline-block;
    width: 18px;
    height: 13px;
    border-radius: 2px;
}

.article-meta .flag-us {
    background: linear-gradient(to bottom, 
        #b22234 0%, #b22234 7.69%, 
        white 7.69%, white 15.38%,
        #b22234 15.38%, #b22234 23.07%,
        white 23.07%, white 30.76%,
        #b22234 30.76%, #b22234 38.45%,
        white 38.45%, white 46.14%,
        #b22234 46.14%, #b22234 53.83%,
        white 53.83%, white 61.52%,
        #b22234 61.52%, #b22234 69.21%,
        white 69.21%, white 76.9%,
        #b22234 76.9%, #b22234 84.59%,
        white 84.59%, white 92.28%,
        #b22234 92.28%, #b22234 100%);
    position: relative;
}

.article-meta .flag-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40%;
    height: 53.83%;
    background: #3c3b6e;
}

.article-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 1.4em;
}

.article-title a {
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
}

.article-title a:hover {
    color: var(--primary-color);
}

.article-excerpt {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 4.8em;
}

.read-more {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: transparent;
    color: #333;
    text-decoration: none;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.read-more:hover {
    color: #fff;
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* =============================================
   5. 分页
   ============================================= */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 3rem 0 4rem 0;
    list-style: none;
    padding: 0;
}

.pagination .page-item {
    display: inline-block;
}

.pagination .page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    text-decoration: none;
    color: #333;
    border: 1px solid var(--border-color);
    background: #fff;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.pagination .page-item:not(.disabled):not(.active) .page-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.pagination .page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    font-weight: 600;
}

.pagination .page-item.disabled .page-link {
    color: #999;
    background: #f5f5f5;
    border-color: var(--border-color);
    cursor: not-allowed;
}

/* 跳转表单 */
.pagination .jumpto {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.pagination .page_number {
    width: 60px;
    height: 38px;
    padding: 0 8px;
    border: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.95rem;
}

.pagination .page_number:focus {
    outline: none;
    border-color: var(--primary-color);
}

.pagination .submit {
    height: 40px;
    padding: 0 16px;
    background: var(--primary-color);
    color: #fff;
    border: 1px solid var(--primary-color);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.pagination .submit:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* =============================================
   6. 联系信息区（页面底部）
   ============================================= */
.contact-section {
    background: #fff;
    color: #333;
    padding: 4rem 0 3rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.contact-item {
    text-align: center;
}

.contact-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.contact-item p {
    color: #333;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.contact-item p a {
    color: #333;
    text-decoration: none;
}

.contact-item p a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* =============================================
   7. 页脚
   ============================================= */
.footer-main {
    background: var(--primary-color);
    color: #fff;
    padding: 3rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr 0.8fr 0.8fr;
    gap: 2rem;
}

.footer-column {
    /* 移除flex相关样式 */
}

/* 确保联系方式列占据最后一列 */
.footer-contact {
    /* 移除flex相关样式 */
}

.footer-column h3 {
    color: #fff;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.footer-column ul li a:hover {
    color: #fff;
}

/* 页脚联系方式列 */
.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-contact ul li i {
    color: #fff;
    margin-top: 0.2rem;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.footer-contact ul li span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer-contact ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-contact ul li a:hover {
    color: #fff;
    text-decoration: underline;
}

/* 地址换行缩进 */
.footer-contact .address-text {
    display: inline-block;
    text-indent: -3em;
    padding-left: 3em;
}

.footer-copyright {
    background: #fff;
    color: #666;
    padding: 1.5rem 0;
    font-size: 0.9rem;
}

.copyright-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright-left {
    color: #666;
}

.copyright-right {
    color: #888;
}

.copyright-right a {
    color: #666;
    text-decoration: none;
}

.copyright-right a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* =============================================
   8. 联系表单页面
   ============================================= */
/* 联系页面整体布局 */
.contact-page-layout {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

/* 左侧表单区域 */
.contact-form-wrapper {
    background: #fff;
    padding: 2rem 2rem 0 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.section-heading {
    font-size: 1.75rem;
    color: var(--dark-gray);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--accent-color);
    font-weight: 600;
}

/* 右侧图片区域 */
.contact-image-wrapper {
    display: flex;
    align-items: flex-start;
}

.contact-image {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.contact-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 底部联系信息区域 */
.contact-info-section-bottom {
    margin-top: 3rem;
    padding: 2.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.contact-info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background: #fff;
    border-radius: 6px;
    transition: all 0.3s;
}

.contact-info-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.contact-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.contact-details h3 {
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-details p {
    color: #666;
    margin: 0;
    line-height: 1.6;
    font-size: 1rem;
}

.contact-details p a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-details p a:hover {
    color: var(--accent-color);
}

/* 表单样式 */
.contact-form {
    width: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 500;
    color: #333;
    font-size: 1rem;
}

.required {
    color: #e74c3c;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.2rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s;
    font-family: inherit;
    background: #fff;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(103, 167, 179, 0.1);
}

.form-control:hover {
    border-color: var(--primary-color);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 6px;
    font-size: 1.0625rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-submit:hover {
    background: linear-gradient(135deg, var(--accent-color), #afd000);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(189, 229, 0, 0.3);
}

.btn-submit i {
    font-size: 1rem;
}

/* 旧样式兼容（其他页面使用） */
.contact-container {
    margin-bottom: 3rem;
}

.contact-container .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-info-section {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
}

.contact-form-section {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 2rem;
    border-radius: 8px;
}

/* =============================================
   9. 文章页面
   ============================================= */
/* 文章元信息 - 显示在标题下方 */
.page-title .article-meta-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #666;
    font-weight: normal;
}

.page-title .article-meta-info a {
    color: var(--primary-color);
    text-decoration: none;
}

.page-title .article-meta-info a:hover {
    text-decoration: underline;
}

/* article-meta-info 中的语言切换样式 */
.article-meta-info .lang-switch-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

.article-meta-info .lang-switch-link:hover {
    opacity: 0.7;
}

.article-meta-info .lang-flag {
    display: inline-block;
    width: 18px;
    height: 13px;
    border-radius: 2px;
}

.article-meta-info .flag-us {
    background: linear-gradient(to bottom, 
        #b22234 0%, #b22234 7.69%, 
        white 7.69%, white 15.38%,
        #b22234 15.38%, #b22234 23.07%,
        white 23.07%, white 30.76%,
        #b22234 30.76%, #b22234 38.45%,
        white 38.45%, white 46.14%,
        #b22234 46.14%, #b22234 53.83%,
        white 53.83%, white 61.52%,
        #b22234 61.52%, #b22234 69.21%,
        white 69.21%, white 76.9%,
        #b22234 76.9%, #b22234 84.59%,
        white 84.59%, white 92.28%,
        #b22234 92.28%, #b22234 100%);
    position: relative;
}

.article-meta-info .flag-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40%;
    height: 53.83%;
    background: #3c3b6e;
}

.article-description {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.7;
    border-left: 4px solid var(--primary-color);
}

.article-image-full {
    margin-bottom: 3rem;
    text-align: center;
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
}

.article-image-full img {
    width: 100%;
    height: auto;
    display: block;
}



/* 文章图片轮播 */
.article-swiper {
    width: 100%;
    position: relative;
}

.article-swiper .swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
}

.article-swiper .swiper-slide img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.article-swiper .swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
}

.article-swiper .swiper-pagination-bullet-active {
    background: var(--primary-color);
}

.article-swiper .swiper-button-prev,
.article-swiper .swiper-button-next {
    color: #fff;
    background: rgba(0, 0, 0, 0.3);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 悬停时显示控制器 */
.article-swiper:hover .swiper-button-prev,
.article-swiper:hover .swiper-button-next {
    opacity: 1;
}

/* 控制器本身悬停效果 */
.article-swiper .swiper-button-prev:hover,
.article-swiper .swiper-button-next:hover {
    background: rgba(0, 0, 0, 0.5);
}

.article-swiper .swiper-button-prev::after,
.article-swiper .swiper-button-next::after {
    font-size: 18px;
    font-weight: bold;
}


.article-page .article-content {
    font-size: 1rem;
    line-height: 1.8;
    color: #000;
    /* 强制清除所有外部样式 */
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* 直接针对 article-detail 类（文章详情页），不影响列表页 */
.article-detail {
    font-size: 1rem;
    line-height: 1.8;
    color: #000;
    word-wrap: break-word;
    overflow-wrap: break-word;
}


/* 强制重置所有内部元素的样式 */
/* .article-page .article-content h1,h2,h3
.article-detail h1,h2,h3 {
    color: var(--primary-color);
    font-weight: 600;
    text-indent: 0 !important;
    margin: 2rem 0 0.5rem 0;
} */

/* 强制重置所有内部元素的样式 */
/* .article-page .article-content *,
.article-detail * {
    max-width: 100% !important;
    box-sizing: border-box !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
    line-height: 1.8 !important;
} */

/* 清除外部颜色和背景 */
/* .article-page .article-content *:not(pre):not(code):not(a):not(h1):not(h2):not(h3):not(h4):not(h5):not(h6):not(th),
.article-detail *:not(pre):not(code):not(a):not(h1):not(h2):not(h3):not(h4):not(h5):not(h6):not(th) {
    background: transparent !important;
    background-color: transparent !important;
    color: #333 !important;
} */

/* 清除外部宽度和高度设置(除了图片) */
.article-page .article-content *:not(img):not(table),
.article-detail *:not(img):not(table) {
    width: auto !important;
    height: auto !important;
}

/* 清除外部的内外边距 */
/* .article-page .article-content span,
.article-page .article-content div:not(.article-content),
.article-page .article-content font,
.article-detail span,
.article-detail div:not(.article-content),
.article-detail font {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
     
} */

/* 清除 Bootstrap 等类名的样式 */
/* .article-page .article-detail *[class*="pb-"],
.article-page .article-detail *[class*="mb-"],
.article-page .article-detail *[class*="pt-"],
.article-page .article-detail *[class*="mt-"],
.article-detail *[class*="pb-"],
.article-detail *[class*="mb-"],
.article-detail *[class*="pt-"],
.article-detail *[class*="mt-"] {
    margin: 0 !important;
    padding: 0 !important;
} */

/* 强制字体大小重置 */
/* .article-page .article-content span,
.article-page .article-content div,
.article-page .article-content font,
.article-detail span,
.article-detail div,
.article-detail font {
    font-size: inherit !important;
    font-weight: normal !important;
} */

/* 清除所有 div 的布局和浮动 */
/* .article-page .article-detail div[class*="wf-"],
.article-page .article-detail div[class*="column"],
.article-detail div[class*="wf-"],
.article-detail div[class*="column"] {
    display: block !important;
    float: none !important;
    width: 100% !important;
    margin: 1rem 0 !important;
    padding: 0 !important;
} */

 

/* 文章内容 - 基于HTML标签的通用样式（仅用于文章详情页） */
.article-page .article-content h1,
.article-page .article-content h2,
.article-page .article-content h3,
.article-page .article-content h4,
.article-page .article-content h5,
.article-page .article-content h6 {
/*    color: var(--primary-color) !important;
    background: transparent !important;
    background-color: transparent !important; */
    margin-top: 2rem !important;
    margin-bottom: 1rem !important;
    font-weight: 600 !important;
    line-height: 1.4 !important;
    padding: 0 !important;
    text-align: left !important;
    width: 100% !important;
}

.article-page .article-content h1 {
    font-size: 2.2rem;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.article-page .article-content h2 {
    font-size: 1.8rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.article-page .article-content h3 {
    font-size: 1.5rem;
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
}

.article-page .article-content h4 {
    font-size: 1.3rem;
    color: #333;
}

.article-page .article-content h5 {
    font-size: 1.1rem;
    color: #333;
}

.article-page .article-content h6 {
    font-size: 1rem;
    color: #666;
}

.article-page .article-detail p {
    margin-bottom: 1.5rem;
    text-align: justify;
    line-height: 1.8;
}

/* 清除空段落 */
.article-page .article-detail p:empty,
.article-detail p:empty {
    display: none !important;
}

/* 清除只有 br 标签的段落 */
.article-page .article-detail p br:only-child,
.article-detail p br:only-child {
    display: none !important;
}

/* 减少 p 中 br 的高度 */
.article-page .article-detail p br,
.article-detail p br {
    line-height: 0.5 !important;
}

/* 减少多个连续 br 的间隔 */
.article-page .article-detail br + br,
.article-detail br + br {
    display: none !important;
}

.article-page .article-detail ul,
.article-page .article-detail ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

/* 清除列表的外部样式 */
.article-page .article-detail ul,
.article-page .article-content ol,
.article-detail ul,
.article-detail ol {
    background: transparent !important;
    background-color: transparent !important;
    color: #333 !important;
    font-family: inherit !important;
    font-size: inherit !important;
}

.article-page .article-content ul li,
.article-page .article-detail ol li {
    margin-bottom: 0.8rem;
    line-height: 1.7;
}

/* 清除列表项中的标题 */
.article-page .article-detail li h3,
.article-page .article-detail li h4,
.article-detail li h3,
.article-detail li h4 {
    display: inline !important;
    font-size: inherit !important;
    font-weight: 600 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
}

.article-page .article-content ul {
    list-style-type: disc;
}

.article-page .article-detail ol {
    list-style-type: decimal;
}

.article-page .article-content ul ul,
.article-page .article-detail ol ol,
.article-page .article-content ul ol,
.article-page .article-detail ol ul {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

/* 文章详情页内容区的链接样式（仅针对.article-page下的.article-content） */
.article-page .article-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s;
}

.article-page .article-content a:hover {
    border-bottom-color: var(--primary-color);
}

.article-page .article-detail img {
    max-width: 100% !important;
    height: auto !important;
    width: auto !important; /* 清除固定宽度 */
    display: block !important;
    margin: 2rem auto !important;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 直接针对 article-content 中的图片 */
.article-detail img {
    max-width: 100% !important;
    height: auto !important;
    width: auto !important;
    display: block !important;
    margin: 2rem auto !important;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 强制移除 img 标签的 width 属性 */
.article-detail img[width],
.article-page .article-detail img[width] {
    width: auto !important;
}

.article-page .article-content figure {
    margin: 2rem 0;
    text-align: center;
}

.article-page .article-content figcaption {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

.article-page .article-content blockquote {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8f9fa;
    border-left: 4px solid var(--primary-color);
    font-style: italic;
    color: #555;
}

.article-page .article-content blockquote p:last-child {
    margin-bottom: 0;
}

.article-page .article-content code {
    background: #f5f5f5;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: #e83e8c;
}

.article-page .article-content pre {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 2rem 0;
}

.article-page .article-content pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: 0.95rem;
}

.article-page .article-content table {
    width: 100% !important;
    max-width: 100% !important;
    border-collapse: collapse;
    margin: 2rem 0;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    display: block;
    overflow-x: auto; /* 添加横向滚动条 */
    -webkit-overflow-scrolling: touch; /* iOS 平滑滚动 */
}

.article-page .article-content table th {
    background: var(--primary-color);
    color: #fff;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.2);
}

.article-page .article-content table td {
    padding: 1rem;
    border: 1px solid #e0e0e0;
    color: #333;
}

.article-page .article-content table tr:nth-child(even) {
    background: #f8f9fa;
}

.article-page .article-content table tr:hover {
    background: #f0f0f0;
}

.article-page .article-content hr {
    border: none;
    border-top: 2px solid #e0e0e0;
    margin: 3rem 0;
}

.article-page .article-content strong,
.article-page .article-content b {
    font-weight: 600;
    color: #222;
}

/* [DEPRECATED] - 已移至文件末尾统一管理 */
/* @media (max-width: 768px) {
    .article-page .article-content,
    .article-detail {
        font-size: 1rem !important;
        padding: 0 1rem !important;
    }
    
    .article-page .article-content h1,
    .article-detail h1 {
        font-size: 1.8rem !important;
    }
    
    .article-page .article-content h2,
    .article-detail h2 {
        font-size: 1.5rem !important;
    }
    
    .article-page .article-content h3,
    .article-detail h3 {
        font-size: 1.3rem !important;
    }
    
    .article-page .article-detail img,
    .article-detail img {
        margin: 1rem auto !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .article-page .article-content table,
    .article-detail table {
        font-size: 0.9rem !important;
    }
    
    .article-page .article-content table th,
    .article-page .article-content table td,
    .article-detail table th,
    .article-detail table td {
        padding: 0.5rem !important;
    }
} */

.article-page .article-content em,
.article-page .article-content i {
    font-style: italic;
}

.article-page .article-content mark {
    background: #fff3cd;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}

.article-page .article-content del {
    text-decoration: line-through;
    color: #999;
}

.article-page .article-content small {
    font-size: 0.85em;
    color: #666;
}

.article-page .article-content sup,
.article-page .article-content sub {
    font-size: 0.75em;
}

/* [DEPRECATED] - 已移至文件末尾统一管理 */
/* @media (max-width: 768px) {
    .article-page .article-content h1 {
        font-size: 1.8rem;
    }
    
    .article-page .article-content h2 {
        font-size: 1.5rem;
    }
    
    .article-page .article-content h3 {
        font-size: 1.3rem;
    }
    
    .article-page .article-detail ul,
    .article-page .article-detail ol {
        padding-left: 1.5rem;
    }
    
    .article-page .article-content table {
        font-size: 0.9rem;
    }
    
    .article-page .article-content pre {
        padding: 1rem;
        font-size: 0.85rem;
    }
} */

/* 文章标签样式 */
.article-tags {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin: 2rem 0;
    padding: 1.2rem;
    background: #f8f9fa;
    border-radius: 8px;
    flex-wrap: wrap;
}

.article-tags i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.article-tags .tags-label {
    color: #666;
    font-weight: 500;
    font-size: 0.95rem;
}

.article-tags .tag-item {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: #fff;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--primary-color);
    transition: all 0.3s;
}

.article-tags .tag-item:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(103, 167, 179, 0.3);
}

/* 列表页标签样式 */
.article-tags-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.8rem 0;
    flex-wrap: wrap;
    position: relative;
    z-index: 10;
}

.article-tags-list .tag-item-small {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    background: rgba(103, 167, 179, 0.1);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 12px;
    font-size: 0.8rem;
    transition: all 0.3s;
    position: relative;
    z-index: 10;
}

.article-tags-list .tag-item-small:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-1px);
}

/* 文章导航（上一页/下一页） */
.article-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin: 3rem 0;
    padding-top: 2rem;
    border-top: 2px solid #e0e0e0;
}

.article-navigation .nav-prev,
.article-navigation .nav-next {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    transition: all 0.3s;
    max-width: 48%;
    cursor: pointer;
}

.article-navigation .nav-prev:hover,
.article-navigation .nav-next:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.article-navigation .nav-prev {
    justify-content: flex-start;
}

.article-navigation .nav-next {
    justify-content: flex-end;
    text-align: right;
}

.article-navigation i {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.article-navigation span {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.article-navigation small {
    font-size: 0.85rem;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-navigation strong {
    font-size: 1.05rem;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
}

/* 文章导航中的链接样式（仅针对nav-prev和nav-next中的span > a） */
.article-navigation .nav-prev > span > a,
.article-navigation .nav-next > span > a {
    font-size: 1.05rem;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
    text-decoration: none;
    transition: color 0.3s;
}

.article-navigation .nav-prev:hover strong,
.article-navigation .nav-next:hover strong,
.article-navigation .nav-prev:hover > span > a,
.article-navigation .nav-next:hover > span > a {
    color: var(--primary-color);
}

/* 响应式 - 文章导航 */
@media (max-width: 768px) {
    .article-navigation {
        flex-direction: column;
        gap: 1rem;
    }
    
    .article-navigation .nav-prev,
    .article-navigation .nav-next {
        max-width: 100%;
    }
    
    .article-navigation strong,
    .article-navigation .nav-prev > span > a,
    .article-navigation .nav-next > span > a {
        font-size: 0.95rem;
    }
}

.article-section {
    margin-bottom: 3rem;
}

.article-section h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.article-section p {
    margin-bottom: 1.5rem;
    text-align: justify;
}

.tech-features {
    margin-top: 2rem;
}

.tech-feature {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid #28a745;
}

.tech-feature:last-child {
    margin-bottom: 0;
}

.tech-feature h3 {
    color: #28a745;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tech-feature p {
    margin: 0;
    line-height: 1.6;
}

/* =============================================
   10. 公司简介页面
   ============================================= */
.stats-banner {
   /* margin: -2rem 0 2rem 0;*/
}

.stats-banner-image {
    width: 100%;
    overflow: hidden;
}

.stats-banner-image img {
    width: 100%;
    height: auto;
    display: block;
}

.stats-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    padding: 1.5rem 0;
    /* margin: -2rem 0 3rem 0; */
    border-radius: 8px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    animation: countUp 2s ease-out;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.company-intro {
    margin-bottom: 4rem;
}

.intro-grid {
    display: grid;
    gap: 4rem;
}

.intro-grid-three {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.intro-item-vertical {
    display: flex;
    flex-direction: column;
}

.intro-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.intro-image {
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.intro-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.intro-image:hover img {
    transform: scale(1.05);
}

.intro-content h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    padding: 0.5rem;
    text-align: center;
}

.intro-content p {
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #333;
}

.intro-content p:last-child {
    margin-bottom: 0;
}

.video-section {
    text-align: center;
    margin-bottom: 4rem;
}

.video-section h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.video-container {
    max-width: 1400px;
    margin: 0 auto;
    background: #000;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
}

.video-description {
    background: #f8f9fa;
    padding: 1.5rem;
    text-align: left;
}

.video-description p {
    margin: 0;
    line-height: 1.6;
    color: #666;
}

/* =============================================
   11. 动画效果
   ============================================= */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lazy-image {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* =============================================
   12. 响应式设计
   ============================================= */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .inner-container {
        padding: 0 10px;
    }
    
    .main-content .inner-container {
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
    }
    
    .main-content {
        margin: 0;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* 联系页面响应式 */
    .contact-page-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .contact-grid,
    .contact-container .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-form-wrapper,
    .contact-info-section,
    .contact-form-section,
    .contact-info-section-bottom {
        padding: 1.5rem;
    }
    
    .section-heading {
        font-size: 1.5rem;
    }
    
    .stats-banner {
        margin: -1rem 0 1rem 0;
    }
    
    .stats-section {
        padding: 2rem 1rem;
        margin: 0 0 2rem 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem;
    }
    
    .stat-item {
        padding: 1rem;
        background: rgba(255, 255, 255, 0.1);
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
    
    .intro-grid-three {
        grid-template-columns: 1fr !important;
        gap: 2rem;
    }
    
    .intro-item-vertical {
        flex-direction: column;
    }
    
    .intro-item {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .intro-image {
        order: -1;
    }
    
    .video-section h2 {
        font-size: 1.6rem;
    }
    
    .video-description {
        padding: 1rem;
    }
    
    .article-title {
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.4;
        max-height: 1.4em;
        margin-bottom: 1rem;
    }
    
    .article-excerpt {
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.6;
        max-height: 4.8em;
        margin-bottom: 1.5rem;
    }
    
    .search-icon {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .phone-link {
        font-size: 0.95rem;
        padding: 0.5rem 1rem;
        white-space: nowrap;
        border: none;
        background: linear-gradient(135deg, rgba(189, 229, 0, 0.1) 0%, rgba(103, 167, 179, 0.1) 100%);
        border-radius: 20px;
        color: var(--primary-color) !important;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
    }
    
    .phone-link i {
        font-size: 1rem;
    }
    
    .phone-link:hover {
        background: linear-gradient(135deg, #bde500 0%, #67a7b3 100%);
        color: #fff !important;
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(103, 167, 179, 0.3);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #fff;
        flex-direction: column;
        padding: 0;
        transition: left 0.3s;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    /* 手机版 phone-link 的父 li 不占满宽 */
    .nav-menu > li:has(.phone-link) {
        align-self: flex-start;
        /* margin: 1rem 1.5rem; */
    }
    
    /* 手机版一级菜单样式 */
    .nav-menu > li {
        border-bottom: 1px solid #e0e0e0;
    }
    
    .nav-menu > li > a {
        display: block;
        padding: 1rem 1.5rem;
        font-size: 1rem;
        font-weight: 600;
        color: #333;
        background: #fff;
        transition: all 0.3s;
    }
    
    .nav-menu > li.active > a,
    .nav-menu > li > a:hover {
        background: rgba(103, 167, 179, 0.08);
        color: var(--primary-color);
    }
    
    /* 手机版二级菜单 - 取消缩进和背景色 */
    .nav-menu > li > ul {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #fff;
        margin: 0;
        padding: 0;
        border-left: 3px solid var(--accent-color);
    }
    
    .nav-menu ul li {
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu ul li:last-child {
        border-bottom: none;
    }
    
    .nav-menu ul a {
        padding: 0.9rem 1.5rem 0.9rem 2rem;
        font-size: 0.95rem;
        font-weight: 500;
        color: #555;
        background: #fff;
    }
    
    .nav-menu ul li.active > a,
    .nav-menu ul a:hover {
        background: rgba(189, 229, 0, 0.08);
        color: var(--primary-color);
    }
    
    /* 手机版三级菜单 - 用颜色区分 */
    .nav-menu ul li > ul {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #fff;
        margin: 0;
        padding: 0;
        border-left: 3px solid #bde500;
    }
    
    .nav-menu ul ul a {
        padding: 0.85rem 1.5rem 0.85rem 2.5rem;
        font-size: 0.9rem;
        font-weight: normal;
        color: #666;
    }
    
    .nav-menu ul ul li.active > a,
    .nav-menu ul ul a:hover {
        background: rgba(189, 229, 0, 0.12);
        color: var(--primary-color);
    }
    
    .page-title h1 {
        font-size: 2rem;
    }
    
    .page-title .article-meta-info {
        flex-wrap: wrap;
        gap: 0.5rem;
        font-size: 0.85rem;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .copyright-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .pagination {
        gap: 0.4rem;
        margin: 2rem 0 3rem 0;
    }
    
    .pagination .page-link {
        min-width: 36px;
        height: 36px;
        font-size: 0.9rem;
        padding: 0 8px;
    }
    
    .pagination .page-item.page-num {
        display: none;
    }
    
    .pagination .page-item.page-num:nth-child(2),
    .pagination .page-item.page-num:nth-child(3),
    .pagination .page-item.active {
        display: inline-block;
    }
    
    .pagination .page_number {
        width: 50px;
        height: 34px;
    }
    
    .pagination .submit {
        height: 36px;
        padding: 0 12px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .phone-link {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
        border-radius: 18px;
        gap: 0.25rem;
    }
    
    .phone-link i {
        font-size: 0.9rem;
    }
    
    .logo img {
        height: 40px;
    }
    
    .pagination .page-link {
        min-width: 34px;
        height: 34px;
        font-size: 0.85rem;
    }
    
    .pagination .page_number {
        width: 45px;
        height: 32px;
        font-size: 0.85rem;
    }
    
    .pagination .submit {
        height: 34px;
        padding: 0 10px;
        font-size: 0.85rem;
    }
    
    /* 联系页面手机端 */
    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}



@media (max-width: 360px) {
    .logo img {
        height: 35px;
    }
}

/* =============================================
   13. 产品页面样式
   ============================================= */

/* 产品Banner轮播 */
.product-banner {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
}

.product-swiper {
    width: 100%;
    height: 400px;
    position: relative;
}

.product-swiper .swiper-slide {
    width: 100%;
    height: 100%;
}

.product-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-swiper .swiper-button-next,
.product-swiper .swiper-button-prev {
    color: #fff;
    background: rgba(0, 0, 0, 0.3);
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.product-swiper .swiper-button-next:after,
.product-swiper .swiper-button-prev:after {
    font-size: 20px;
}

.product-swiper .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #fff;
    opacity: 0.7;
}

.product-swiper .swiper-pagination-bullet-active {
    background: var(--primary-color);
    opacity: 1;
}

/* 产品布局 */
.product-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

/* 产品侧边栏 */
.product-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* 侧边栏导航区域 */
.sidebar-nav-section {
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
}

.nav-header {
    background: var(--primary-color);
    color: #fff;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

/* 侧边栏主导航列表 */
.sidebar-nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: block;
    width: 100%;
    overflow: hidden;
}

.sidebar-nav-item {
    border-bottom: 1px solid #e0e0e0;
    display: block;
    width: 100%;
    float: none;
    clear: both;
    position: relative;
    box-sizing: border-box;
}

.sidebar-nav-item:last-child {
    border-bottom: none;
}

/* 手机版侧边栏导航 - 子菜单默认不展开 */
.sidebar-nav-item.active .nav-submenu {
    display: block;
}

/* 手机版 - 移除默认展开,只在有 active 类时才展开 */
@media (max-width: 768px) {
    .sidebar-nav-item .nav-submenu {
        display: none !important;
    }
    
    .sidebar-nav-item.active .nav-submenu {
        display: block !important;
    }
}

.nav-toggle-btn {
    display: block;
    padding: 1rem 1.5rem;
    margin: 0;
    font-weight: 600;
    color: var(--dark-gray);
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
    user-select: none;
    text-decoration: none;
}

.nav-toggle-btn:hover {
    background: rgba(103, 167, 179, 0.1);
    color: var(--primary-color);
    text-decoration: none;
}

.nav-toggle-btn.active {
    background: rgba(103, 167, 179, 0.15);
    color: var(--primary-color);
    text-decoration: none;
}

.nav-submenu {
    list-style: none;
    padding: 0 1.5rem 1rem 1.5rem;
    display: none;
}

.nav-submenu li {
    margin-bottom: 0.5rem;
}

.nav-submenu li:last-child {
    margin-bottom: 0;
}

.nav-submenu a {
    display: block;
    color: #666;
    text-decoration: none;
    padding: 0.3rem 0;
    transition: color 0.3s, padding-left 0.3s;
}

.nav-submenu a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

/* 侧边栏联系表单 */
.sidebar-contact-form {
    background: #f8f9fa;
    padding: 1.5rem;
    border: 1px solid #e0e0e0;
}

.sidebar-contact-form h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

.inquiry-form .form-group {
    margin-bottom: 1rem;
}

.inquiry-form label {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    color: #666;
}

.inquiry-form .form-control {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #ddd;
    font-size: 0.9rem;
    transition: border-color 0.3s;
}

.inquiry-form .form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.inquiry-form textarea {
    resize: vertical;
    min-height: 80px;
}

.inquiry-form .btn-submit {
    width: 100%;
    padding: 0.8rem;
    background: var(--primary-color);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.inquiry-form .btn-submit:hover {
    background: var(--primary-hover);
}

/* 产品主区域 */
.product-main {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* =============================================
   产品详情页样式
   ============================================= */
/* 面包屑导航 */
.breadcrumb-navigation {
    padding: 1.5rem 0;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: #666;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.breadcrumb-navigation a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb-navigation a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.breadcrumb-separator {
    color: #999;
    margin: 0 0.3rem;
}

.breadcrumb-current {
    color: #333;
    font-weight: 500;
}

/* 产品详情页主区域 */
.product-detail-simple .product-main {
    flex: 1;
}

/* 产品详情顶部区域 */
.product-main .row {
    display: flex;
    gap: 2rem;
    /* margin-bottom: 3rem; */
}

/* 产品图片区域 */
.product-gallery {
    flex-shrink: 0;
    width: 300px;
    max-width: 100%;
}

/* 产品图片主容器 */
.product-gallery-main {
    width: 100%;
    max-width: 100%;
    background: #fff;
    border: 1px solid #e0e0e0;
    padding: 1rem;
    box-sizing: border-box;
}

/* 产品主图轮播 */
.product-main-swiper {
    width: 100%;
    max-width: 100%;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.product-main-swiper .swiper-wrapper {
    width: 100%;
}

.product-main-swiper .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    width: 100%;
    aspect-ratio: 1 / 1;
}

.product-main-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

.product-main-swiper .swiper-button-next,
.product-main-swiper .swiper-button-prev {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.9);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transition: all 0.3s;
    opacity: 0;
    visibility: hidden;
}

/* 鼠标悬停在轮播图上时显示按钮 */
.product-main-swiper:hover .swiper-button-next,
.product-main-swiper:hover .swiper-button-prev {
    opacity: 1;
    visibility: visible;
}

.product-main-swiper .swiper-button-next:hover,
.product-main-swiper .swiper-button-prev:hover {
    background: var(--primary-color);
    color: #fff;
}

.product-main-swiper .swiper-button-next:after,
.product-main-swiper .swiper-button-prev:after {
    font-size: 18px;
    font-weight: bold;
}

/* 产品缩略图轮播 */
.product-thumbs-swiper {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.product-thumbs-swiper .swiper-wrapper {
    width: 100%;
}

.product-thumbs-swiper .swiper-slide {
    width: 25%;
    height: auto;
    opacity: 0.6;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
    aspect-ratio: 1 / 1;
    background: #f8f9fa;
    box-sizing: border-box;
}

.product-thumbs-swiper .swiper-slide:hover {
    opacity: 0.8;
    border-color: var(--primary-color);
}

.product-thumbs-swiper .swiper-slide-thumb-active {
    opacity: 1;
    border-color: var(--primary-color);
}

.product-thumbs-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    padding: 0.3rem;
    box-sizing: border-box;
}

/* 产品信息区域 */
.product-main .product-info {
    flex: 1;
    background: #fff;
    padding: 2rem;
    border: 1px solid #e0e0e0;
}

.product-title {
    font-size: 1.8rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.is-divider {
    height: 1px;
    background: #e0e0e0;
    margin: 1rem 0;
}

.product-short-description {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 1rem;
    line-height: 1;
}

.product-short-description span{
  font-weight:600;
    
}
.product-short-description .sku{
  font-weight:200;
    
}


.product-short-description p {
    margin: 0;
}

/* 产品元数据 */
.product_meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem 1.5rem;
    padding: 1.5rem 0 0;
    border-top: 1px solid #e0e0e0;
    /* border-bottom: 1px solid #e0e0e0; */
}

.product_meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.95rem;
    color: #666;
    font-weight:600;
}

/* PDF链接占满整行 */
.product_meta .woocommerce-print-products {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.product_meta .sku {
    color: var(--dark-gray);
    font-weight: 200;
    /* font-family: 'Courier New', monospace; */
}

.product_meta a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.product_meta a:hover {
    color: var(--primary-hover);
}

/* PDF链接（移除重复定义，已在 .product_meta 中定义） */

.woocommerce-print-products a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
}

.woocommerce-print-products a:hover {
    background: #f8f9fa;
    border-color: var(--primary-color);
}

.fa-datasheet {
    color: #56bfdf;
}

.fa-msds {
    color: #3ac670;
}

/* 产品提示 */
.product-tip {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-left: 3px solid var(--primary-color);
    font-size: 0.95rem;
}

.product-tip a {
    color: var(--primary-color);
    text-decoration: none;
}

.product-tip a:hover {
    text-decoration: underline;
}

/* 产品底部内容区 */
.product-footer {
    margin-top: 2rem;
}

.product-page-sections {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.product-section {
    background: #fff;
    border: 1px solid #e0e0e0;
    padding: 2rem;
}

.product-section .row {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-section .large-8 {
    border-left: 2px solid #2454e5;
    padding-left: 1.5rem;
}

.product-section h5 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin: 0 0 1.5rem 0;
    padding-bottom: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 1rem;
    /* border-bottom: 2px solid #e0e0e0; */
}

.product-section h5 a {
    padding: 0.4rem 1rem;
    color: #2454e5;
    background: #f5f5f5;
    border: 1px solid #e5e5e5;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.3s;
}

.product-section h5 a:hover {
    background: #2454e5;
    color: #fff;
}

/* 产品属性表格 */
.woocommerce-product-attributes {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.woocommerce-product-attributes tr {
    border-bottom: 1px solid #e0e0e0;
}

.woocommerce-product-attributes th {
    width: 30%;
    padding: 1rem;
    text-align: left;
    background: #f5f5f5;
    font-weight: 600;
    color: var(--dark-gray);
    border-right: 1px solid #e0e0e0;
}

.woocommerce-product-attributes td {
    padding: 1rem 1.5rem;
    color: #666;
}

.woocommerce-product-attributes td p {
    margin: 0;
    line-height: 1.6;
}

.woocommerce-product-attributes td a {
    color: var(--primary-color);
    text-decoration: none;
}

.woocommerce-product-attributes td a:hover {
    text-decoration: underline;
}

/* 产品图片展示区 */
.panel.entry-content {
    margin-top: 1.5rem;
}

/* 产品详情页内容区 - 标题样式 */
.panel.entry-content h1,
.panel.entry-content h2,
.panel.entry-content h3,
.panel.entry-content h4,
.panel.entry-content h5,
.panel.entry-content h6 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.panel.entry-content h1 {
    font-size: 2.2rem;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.panel.entry-content h2 {
    font-size: 1.8rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.panel.entry-content h3 {
    font-size: 1.5rem;
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
}

.panel.entry-content h4 {
    font-size: 1.3rem;
    color: #333;
}

.panel.entry-content h5 {
    font-size: 1.1rem;
    color: #333;
}

.panel.entry-content h6 {
    font-size: 1rem;
    color: #666;
}

/* 产品详情页内容区 - 段落和文本 */
.panel.entry-content p {
    margin-bottom: 1.5rem;
    text-align: justify;
    line-height: 1.8;
    color: #666;
}

/* 产品详情页内容区 - 列表 */
.panel.entry-content ul,
.panel.entry-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.panel.entry-content ul li,
.panel.entry-content ol li {
    margin-bottom: 0.8rem;
    line-height: 1.7;
    color: #666;
}

.panel.entry-content ul {
    list-style-type: disc;
}

.panel.entry-content ol {
    list-style-type: decimal;
}

.panel.entry-content ul ul,
.panel.entry-content ol ol,
.panel.entry-content ul ol,
.panel.entry-content ol ul {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

/* 产品详情页内容区 - 链接 */
.panel.entry-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s;
}

.panel.entry-content a:hover {
    border-bottom-color: var(--primary-color);
}

/* 产品详情页内容区 - 图片 */
.panel.entry-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 2rem auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.panel.entry-content figure {
    margin: 2rem 0;
    text-align: center;
}

.panel.entry-content figcaption {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

/* 产品详情页内容区 - 引用 */
.panel.entry-content blockquote {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8f9fa;
    border-left: 4px solid var(--primary-color);
    font-style: italic;
    color: #555;
}

.panel.entry-content blockquote p:last-child {
    margin-bottom: 0;
}

/* 产品详情页内容区 - 代码 */
.panel.entry-content code {
    background: #f5f5f5;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: #e83e8c;
}

.panel.entry-content pre {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 2rem 0;
}

.panel.entry-content pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: 0.95rem;
}

/* 产品详情页内容区 - 其他文本格式 */
.panel.entry-content strong,
.panel.entry-content b {
    font-weight: 600;
    color: #222;
}

.panel.entry-content em,
.panel.entry-content i {
    font-style: italic;
}

.panel.entry-content mark {
    background: #fff3cd;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}

.panel.entry-content hr {
    border: none;
    border-top: 2px solid #e0e0e0;
    margin: 3rem 0;
}

/* Product Data表格样式 */
.panel.entry-content table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.panel.entry-content table tr {
    border-bottom: 1px solid #e0e0e0;
}

.panel.entry-content table th {
    width: 30%;
    padding: 1rem;
    text-align: left;
    background: #f5f5f5;
    font-weight: 600;
    color: var(--dark-gray);
    border-right: 1px solid #e0e0e0;
}

.panel.entry-content table td {
    padding: 1rem 1.5rem;
    color: #666;
}

.panel.entry-content table td p {
    margin: 0;
    line-height: 1.6;
}

.panel.entry-content table td a {
    color: var(--primary-color);
    text-decoration: none;
}

.panel.entry-content table td a:hover {
    text-decoration: underline;
}

/* 相关产品区域 */
.product-section-title {
    font-size: 1.5rem;
    color: var(--dark-gray);
    margin-bottom: 2rem;
    font-weight: 600;
    text-align: center;
}

/* 相关产品网格布局 */
.related-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.related-product-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.related-product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.related-product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
    padding: 1rem;
}

.related-product-card:hover .related-product-image img {
    transform: scale(1.1);
}

.related-product-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.related-product-info h4 {
    font-size: 1rem;
    color: var(--dark-gray);
    margin: 0;
    font-weight: 600;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.related-product-info .sku {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
    font-family: 'Courier New', monospace;
}

.related-product-info .price {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 700;
    margin: 0;
}

/* 产品筛选器 */
.product-filters {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
}

.filter-group {
    background: #fff;
    border: 1px solid #e0e0e0;
	 display: flex;
	    flex-direction: column;
}

.filter-header {
    padding: 0.8rem 1rem;
    background: #fff;
    /* border-bottom: 1px solid #e0e0e0; */
    font-weight: 600;
    color: var(--dark-gray);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
    user-select: none;
}

.filter-header:hover {
    background: rgba(103, 167, 179, 0.05);
}

.filter-header.active {
    background: rgba(103, 167, 179, 0.1);
    color: var(--primary-color);
}

.toggle-icon {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.filter-options {
    list-style: none;
    padding: 0.8rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  /*  max-height: 50px;
    overflow: hidden;
    transition: max-height 0.3s ease; */
}

/* .filter-options.expanded {
    max-height: 500px;
} */


/* PC端：filter-header和filter-options一行显示 */
@media (min-width: 768px) {
    .filter-group {
        flex-direction: row;
        align-items: center;
    }

    .filter-header {
        padding: 0.8rem 1rem;
        border-bottom: none;
        border-right: 1px solid #e0e0e0;
        min-width: 120px;
        cursor: default;
    }

    .filter-options {
        flex: 1;
        padding: 0.8rem 1rem;
    }
}


/* 产品筛选选项列表 - 链接样式 */
.filter-options li {
    display: inline-block;
    margin-bottom: 0;
}

.filter-options li a {
    display: block;
    padding: 0.5rem 0.8rem;
    color: #666;
    text-decoration: none;
    transition: all 0.3s;
    border-radius: 3px;
    white-space: nowrap;
}

.filter-options li.active a,
.filter-options li a:hover {
    color: #fff;
    background: var(--primary-color);
}

.filter-options li.active a {
    font-weight: 500;
}
 
/* 产品网格 */
.product-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 产品项 - 作为链接容器 */
.product-item {
    display: flex;
    background: #fff;
    border: 1px solid #e0e0e0;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    overflow: hidden;
    min-height: 180px;
    text-decoration: none;
    color: inherit;
}

.product-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.product-image {
    width: 180px;
    min-width: 180px;
    height: 180px;
    overflow: hidden;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
    padding: 10px;
}

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

.product-info {
    padding: 1.5rem 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
}

.product-category {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--primary-color);
    background: rgba(103, 167, 179, 0.1);
    padding: 0.3rem 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
    align-self: flex-start;
}

.product-title {
    font-size: 1.1rem;
    margin: 0;
    color: var(--dark-gray);
    font-weight: 600;
    line-height: 1.5;
}

.product-sku {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
    /* font-family: 'Courier New', monospace; */
}

.product-price {
    /* font-size: 0.95rem; */
    color: #666;
    /* font-weight: 500; */
    line-height: 1.6;
    margin: 0;
}

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

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 45px;
    height: 45px;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: #333;
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
}

.pagination a:hover,
.pagination .page-number.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.pagination .page-dots {
    border: none;
    padding: 0.5rem;
}

.pagination .page-next {
    min-width: 45px;
}

/* 在线咨询 */
.online-consultation {
    text-align: center;
    margin: 3rem 0;
}

.consultation-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    color: var(--primary-color);
    text-decoration: none;
    padding: 1rem 2rem;
    border: 2px solid var(--primary-color);
    transition: all 0.3s;
}

.consultation-link:hover {
    background: var(--primary-color);
    color: #fff;
}

.consultation-link i {
    transition: transform 0.3s;
}

.consultation-link:hover i {
    transform: translateX(5px);
}

/* 客户支持时间 */
.support-section {
    background: #f8f9fa;
    padding: 2rem 0;
    margin-top: 2rem;
}

.support-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    align-items: center;
}

.support-info h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
}

.support-info p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 0.3rem;
}

.support-time-zones {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.time-zone {
    background: #fff;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid #e0e0e0;
}

.time-zone p {
    margin-bottom: 0.5rem;
    color: #666;
}

.time-zone p:last-child {
    margin-bottom: 0;
}

.time-zone strong {
    color: var(--dark-gray);
}

/* 联系方式一行显示 */
.footer-contact-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e0e0e0;
}

.footer-contact-inline .contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    color: #666;
}

.footer-contact-inline .contact-item i {
    color: var(--primary-color);
    font-size: 1rem;
}

.footer-contact-inline .contact-item a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-contact-inline .contact-item a:hover {
    color: var(--primary-color);
}

/* 手机端响应式 */
@media (max-width: 768px) {
    .footer-contact-inline {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .footer-contact-inline .contact-item {
        width: 100%;
        font-size: 0.85rem;
        align-items: flex-start;
    }
    
    .footer-contact-inline .contact-item span {
        text-align: left;
        line-height: 1.5;
    }
}

/* 响应式设计 - 产品页面 */
@media (max-width: 1024px) {
    .product-swiper {
        height: 300px;
    }
    
    .product-layout {
        grid-template-columns: 280px 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .product-swiper {
        height: 250px;
    }
    
    .product-swiper .swiper-button-next,
    .product-swiper .swiper-button-prev {
        width: 40px;
        height: 40px;
    }
    
    .product-swiper .swiper-button-next:after,
    .product-swiper .swiper-button-prev:after {
        font-size: 16px;
    }
    
    .product-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* 面包屑响应式 */
    .breadcrumb-navigation {
        padding: 1rem 0;
        font-size: 0.85rem;
    }
    
    /* 产品详情页响应式 */
    .product-main .row {
        flex-direction: column;
    }

    .product-gallery {
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
        flex-shrink: 1;
    }

    .product-main-swiper .swiper-button-next,
    .product-main-swiper .swiper-button-prev {
        width: 35px;
        height: 35px;
    }

    .product-main-swiper .swiper-button-next:after,
    .product-main-swiper .swiper-button-prev:after {
        font-size: 16px;
    }

    .product-thumbs-swiper .swiper-slide {
        aspect-ratio: 1 / 1;
    }

    .product-main .product-info {
        padding: 1.5rem;
    }

    .product-main .product-title {
        font-size: 1.5rem;
    }

    .product_meta {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .woocommerce-product-attributes th {
        width: 35%;
        font-size: 0.9rem;
        padding: 0.8rem;
    }

    .woocommerce-product-attributes td {
        font-size: 0.9rem;
        padding: 0.8rem 1rem;
    }

    /* Product Data表格响应式 */
    .panel.entry-content table th {
        width: 35%;
        font-size: 0.9rem;
        padding: 0.8rem;
    }

    .panel.entry-content table td {
        font-size: 0.9rem;
        padding: 0.8rem 1rem;
    }

    /* 产品详情页内容区响应式 */
    .panel.entry-content h1 {
        font-size: 1.8rem;
    }
    
    .panel.entry-content h2 {
        font-size: 1.5rem;
    }
    
    .panel.entry-content h3 {
        font-size: 1.3rem;
    }
    
    .panel.entry-content ul,
    .panel.entry-content ol {
        padding-left: 1.5rem;
    }
    
    .panel.entry-content pre {
        padding: 1rem;
        font-size: 0.85rem;
    }

    .panel.entry-content img {
        margin: 1.5rem auto;
    }

    .product-section {
        padding: 1.5rem;
    }

    .product-section h5 {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        font-size: 1.1rem;
    }

    .product-section h5 a {
        font-size: 0.8rem;
        padding: 0.3rem 0.8rem;
    }

    .product-footer {
        margin-top: 2rem;
    }

    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 手机版隐藏左侧菜单 */
    .product-sidebar {
        display: none;
    }
    
    .product-filters {
        padding: 1rem;
    }
    
    .product-item {
        min-height: 150px;
    }
    
    .product-image {
        width: 150px;
        min-width: 150px;
        height: 150px;
    }
    
    .product-info {
        padding: 1rem 1.5rem;
    }
    
    .product-title {
        font-size: 1rem;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .support-time-zones {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* 在线咨询响应式 */
    .online-consultation {
        margin: 2rem 0;
    }

    .consultation-link {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .product-swiper {
        height: 200px;
    }
    
    .product-item {
        flex-direction: column;
        min-height: auto;
    }
    
    .product-image {
        width: 100%;
        height: 200px;
    }
    
    .product-info {
        padding: 1.2rem;
    }
    
    .product-title {
        font-size: 0.95rem;
    }
    
    .product-sku {
        font-size: 0.8rem;
    }
    
    .product-price {
        font-size: 0.85rem;
    }
    
    .sidebar-nav-section,
    .sidebar-contact-form {
        padding: 1rem;
    }
    
    .nav-header {
        padding: 0.8rem 1rem;
        font-size: 1rem;
    }
    
    .nav-toggle-btn {
        padding: 0.8rem 1rem;
    }
    
    .nav-submenu {
        padding: 0 1rem 0.8rem 1rem;
    }
    
    .pagination {
        gap: 0.3rem;
    }
    
    .pagination a,
    .pagination span {
        min-width: 35px;
        height: 35px;
        padding: 0.3rem 0.5rem;
        font-size: 0.85rem;
    }
    
    /* 产品详情页手机端 */
    .product-gallery {
        width: 100%;
        max-width: 100%;
        margin: 0;
        overflow: hidden;
    }

    .product-gallery-main {
        padding: 0.8rem;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    /* 确保swiper容器不溢出 */
    .product-gallery-main .swiper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
    }

    .product-gallery-main .swiper .swiper-wrapper {
        width: 100% !important;
        display: flex !important;
        box-sizing: border-box !important;
    }

    .product-gallery-main .swiper .swiper-slide {
        width: 100% !important;
        flex-shrink: 0 !important;
        box-sizing: border-box !important;
    }

    .product-main-swiper {
        margin-bottom: 0;
        width: 100%;
        max-width: 100%;
    }

    .product-main-swiper .swiper-wrapper {
        width: 100%;
    }

    .product-main-swiper .swiper-slide {
        width: 100%;
        aspect-ratio: 1 / 1;
    }

    .product-main-swiper .swiper-slide img {
        width: 100%;
        height: auto;
        max-width: 100%;
        max-height: none;
        object-fit: contain;
    }

    .product-main-swiper .swiper-button-next,
    .product-main-swiper .swiper-button-prev {
        width: 32px;
        height: 32px;
    }

    .product-main-swiper .swiper-button-next:after,
    .product-main-swiper .swiper-button-prev:after {
        font-size: 14px;
    }

    /* 手机版隐藏缩略图 */
    .product-thumbs-swiper {
        display: none;
    }
    
    .product-main .product-info {
        padding: 1rem;
    }
    
    .product-main .product-title {
        font-size: 1.3rem;
    }
    
    .woocommerce-product-attributes th,
    .woocommerce-product-attributes td {
        display: block;
        width: 100%;
        padding: 0.5rem;
    }
    
    .woocommerce-product-attributes th {
        background: #e8f4f8;
        font-weight: 700;
        border-right: none;
        border-bottom: none;
    }
    
    .woocommerce-product-attributes td {
        border-bottom: 1px solid #e0e0e0;
        padding-bottom: 1rem;
    }
    
    /* Product Data表格手机端 */
    .panel.entry-content table th,
    .panel.entry-content table td {
        display: block;
        width: 100%;
        padding: 0.5rem;
    }
    
    .panel.entry-content table th {
        background: #e8f4f8;
        font-weight: 700;
        border-right: none;
        border-bottom: none;
    }
    
    .panel.entry-content table td {
        border-bottom: 1px solid #e0e0e0;
        padding-bottom: 1rem;
    }

    /* 产品详情页内容区手机端 */
    .panel.entry-content h1 {
        font-size: 1.5rem;
    }
    
    .panel.entry-content h2 {
        font-size: 1.3rem;
    }
    
    .panel.entry-content h3 {
        font-size: 1.1rem;
    }

    .panel.entry-content h4 {
        font-size: 1rem;
    }

    .panel.entry-content p {
        font-size: 0.95rem;
    }

    .panel.entry-content ul,
    .panel.entry-content ol {
        padding-left: 1.2rem;
        font-size: 0.95rem;
    }

    .panel.entry-content blockquote {
        padding: 1rem;
        margin: 1.5rem 0;
        font-size: 0.95rem;
    }

    .panel.entry-content pre {
        padding: 0.8rem;
        font-size: 0.8rem;
        margin: 1.5rem 0;
    }

    .panel.entry-content img {
        margin: 1rem auto;
    }

    .product-section {
        padding: 1rem;
    }

    .product-section h5 {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
        font-size: 1rem;
    }

    .product-section h5 a {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }

    .product-footer {
        margin-top: 1.5rem;
    }

    .product-page-sections {
        gap: 1.5rem;
    }

    .product-section-title {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }

    /* 在线咨询手机端 */
    .online-consultation {
        margin: 1.5rem 0;
    }

    .consultation-link {
        font-size: 0.95rem;
        padding: 0.7rem 1.2rem;
    }

    /* 客户支持时间手机端 */
    .support-section {
        padding: 1.5rem 0;
    }

    .support-info h2 {
        font-size: 1.3rem;
    }

    .support-info p {
        font-size: 0.95rem;
    }

    .time-zone {
        padding: 1rem;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}



/* =============================================
   15. 搜索弹窗样式
   ============================================= */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
}

.search-modal.active {
    display: block;
}

.search-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.search-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    width: 90%;
    max-width: 650px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: searchModalFadeIn 0.4s ease;
    overflow: hidden;
}

@keyframes searchModalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.search-close {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(103, 167, 179, 0.1);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    font-size: 1.1rem;
    color: var(--primary-color);
    z-index: 10;
}

.search-close:hover {
    background: var(--primary-color);
    color: #fff;
    transform: rotate(90deg);
}

.search-header {
    padding: 2rem 2.5rem 1.5rem 2.5rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(103, 167, 179, 0.05) 0%, rgba(189, 229, 0, 0.05) 100%);
    border-bottom: 2px solid rgba(103, 167, 179, 0.1);
}

.search-logo {
    margin-bottom: 1rem;
    display: inline-block;
}

.search-logo img {
    height: 50px;
    width: auto;
    display: block;
    margin: 0 auto;
}

.search-header h3 {
    font-size: 1.8rem;
    color: var(--dark-gray);
    margin: 0 0 0.5rem 0;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.search-subtitle {
    font-size: 1rem;
    color: #666;
    margin: 0;
    font-weight: 400;
}

.search-body {
    padding: 2.5rem;
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-icon {
    position: absolute;
    left: 1.2rem;
    color: #999;
    font-size: 1.2rem;
    transition: color 0.3s;
    z-index: 1;
}

.search-input {
    width: 100%;
    padding: 1.2rem 1.2rem 1.2rem 3.2rem;
    font-size: 1.1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    transition: all 0.3s;
    outline: none;
    background: #fafafa;
}

.search-input:focus {
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(103, 167, 179, 0.1);
}

.search-input:focus + .search-input-icon {
    color: var(--primary-color);
}

.search-input::placeholder {
    color: #999;
}

.search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1.2rem 2.5rem;
    font-size: 1.15rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(103, 167, 179, 0.3);
}

.search-submit:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--accent-color));
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(103, 167, 179, 0.4);
}

.search-submit i {
    font-size: 1.3rem;
}

.search-tips {
    margin-top: 1.5rem;
    padding: 1rem 1.2rem;
    background: linear-gradient(135deg, rgba(189, 229, 0, 0.1) 0%, rgba(103, 167, 179, 0.05) 100%);
    border-left: 3px solid var(--accent-color);
    border-radius: 6px;
}

.search-tips p {
    margin: 0;
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.search-tips i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.search-footer {
    padding: 1.2rem 2.5rem;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    text-align: center;
}

.search-footer p {
    margin: 0;
    font-size: 0.9rem;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.search-footer i {
    color: var(--primary-color);
    font-size: 1rem;
}

.search-footer kbd {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--dark-gray);
    background: #fff;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 - 搜索弹窗 */
@media (max-width: 768px) {
    .search-content {
        width: 95%;
        max-width: 500px;
    }

    .search-header {
        padding: 1.5rem 2rem 1.2rem 2rem;
    }

    .search-logo img {
        height: 45px;
    }

    .search-header h3 {
        font-size: 1.5rem;
    }

    .search-subtitle {
        font-size: 0.95rem;
    }

    .search-body {
        padding: 2rem;
    }

    .search-input {
        font-size: 1rem;
        padding: 1rem 1rem 1rem 2.8rem;
    }

    .search-submit {
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    .search-tips {
        padding: 0.9rem 1rem;
    }

    .search-tips p {
        font-size: 0.9rem;
    }

    .search-footer {
        padding: 1rem 2rem;
    }

    .search-footer p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .search-content {
        width: 100%;
        max-width: none;
        border-radius: 16px 16px 0 0;
        bottom: 0;
        top: auto;
        left: 0;
        transform: translateY(100%);
    }

    .search-modal.active .search-content {
        transform: translateY(0);
    }

    @keyframes searchModalFadeIn {
        from {
            opacity: 0;
            transform: translateY(100%);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .search-close {
        top: 1rem;
        right: 1rem;
        width: 36px;
        height: 36px;
    }

    .search-header {
        padding: 1.2rem 1.5rem 1rem 1.5rem;
    }

    .search-logo img {
        height: 40px;
    }

    .search-header h3 {
        font-size: 1.3rem;
    }

    .search-subtitle {
        font-size: 0.9rem;
    }

    .search-body {
        padding: 1.5rem;
    }

    .search-input {
        font-size: 0.95rem;
        padding: 0.9rem 0.9rem 0.9rem 2.6rem;
    }

    .search-submit {
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
    }

    .search-tips {
        padding: 0.8rem 0.9rem;
    }

    .search-tips p {
        font-size: 0.85rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.3rem;
    }

    .search-footer {
        padding: 0.9rem 1.5rem;
    }

    .search-footer p {
        font-size: 0.8rem;
        flex-direction: column;
        gap: 0.3rem;
    }
}

/* =============================================
   14. 首页专用样式
   ============================================= */

/* 首页Banner */
.home-banner {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    position: relative;
}

.home-swiper {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.home-swiper .swiper-wrapper {
    width: 100%;
}

.home-swiper .swiper-slide {
    position: relative;
    width: 100%;
}

.home-swiper .swiper-slide img {
    width: 100%;
    height: auto;
    display: block;
}

.home-banner .swiper-button-next,
.home-banner .swiper-button-prev {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    opacity: 0;
    transition: all 0.3s;
    z-index: 10;
}

.home-banner:hover .swiper-button-next,
.home-banner:hover .swiper-button-prev {
    opacity: 1;
}

.home-banner .swiper-button-next:hover,
.home-banner .swiper-button-prev:hover {
    background: rgba(255, 255, 255, 0.8);
}

.home-banner .swiper-button-next::after,
.home-banner .swiper-button-prev::after {
    font-size: 20px;
    color: var(--primary-color);
    font-weight: bold;
}

.home-swiper .swiper-pagination {
    position: absolute;
    bottom: 20px;
}

/* PC端和手机端轮播图显示控制 */
.banner-mobile {
    display: none !important;
    height: 0 !important;
    overflow: hidden !important;
    position: absolute !important;
    visibility: hidden !important;
}

.banner-pc {
    display: block;
}

@media (max-width: 480px) {
    .banner-mobile {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
        position: relative !important;
        visibility: visible !important;
    }
    
    .banner-pc {
        display: none !important;
        height: 0 !important;
        overflow: hidden !important;
        position: absolute !important;
        visibility: hidden !important;
    }
}

/* 确保隐藏的 slide 不占据空间 */
.swiper-slide.banner-pc,
.swiper-slide.banner-mobile {
    height: auto;
}

.swiper-slide.banner-pc[style*="display: none"],
.swiper-slide.banner-mobile[style*="display: none"] {
    height: 0 !important;
    overflow: hidden !important;
}

/* 统计数据四列布局 */
.stats-grid-four {
    grid-template-columns: repeat(4, 1fr) !important;
}

/* 首页统计数据板块 - 使用FontAwesome图标 */
.stats-section {
    padding: 1.5rem 0;
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem 1rem;
    border-right: 1px solid #e0e0e0;
}

.stat-item:last-child {
    border-right: none;
}

.stat-icon {
    margin-bottom: 1rem;
}

.stat-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #000;
    margin: 0.5rem 0;
    line-height: 1.2;
}

.stat-number .count-up {
    color: #000;
    font-weight: 700;
}

.stat-label {
    font-size: 1.0625rem;
    color: #666;
    line-height: 1.5;
}

.stat-label span {
    color: #333;
    font-weight: 600;
}

/* 关于纳博 - 严格按原页面尺寸 */
.about-section {
    padding: 4rem 0;
    background: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 680px 1fr;
    gap: 3rem;
    align-items: flex-start;
}

.about-image {
    width: 680px;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

.about-content {
    padding-left: 2rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.section-title {
    font-size: 2.25rem;
    color: var(--dark-gray);
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.about-desc {
    font-size: 1.15rem;
    line-height: 2.1;
    color: #666;
    margin-bottom: 2rem;
    text-align: justify;
	text-indent:2rem
}

.features-list {
    margin-bottom: 2rem;
}

.feature-item {
    margin-bottom: 1.8rem;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-item h4 {
    font-size: 1.0625rem;
    color: var(--dark-gray);
    margin-bottom: 0.6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
}

.feature-item span {
    color: #666;
    font-weight: 600;
    font-size: 1rem;
}

.progress-bar {
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar span {
    display: block;
    height: 100%;
    background: var(--accent-color);
    transition: width 1.5s ease;
    border-radius: 4px;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    font-size: 0.95rem;
    border: 2px solid var(--primary-color);
    border-radius: 4px;
}

.btn-more:hover {
    gap: 1rem;
    background: var(--primary-color);
    color: #fff;
}

.btn-more i {
    transition: transform 0.3s;
}

.btn-more:hover i {
    transform: translateX(5px);
}

/* 我们的服务 - 严格按原页面尺寸 */
.services-section {
    padding: 3rem 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.service-card {
    background: #fff;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    border: 1px solid #e0e0e0;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(189, 229, 0, 0.2);
    border-color: var(--accent-color);
}

.services-section .service-card .service-icon {
    margin-bottom: 1.5rem;
}

.services-section .service-card .service-icon img {
    width: 90px;
    height: 90px;
    object-fit: contain;
    display: block !important;
    margin: 0 auto !important;
}

.service-card h3 {
    font-size: 1.25rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.service-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: #666;
    text-align: left;
}

/* 产品展示 */
.products-section {
    padding: 2rem 0;
}

.section-header-with-action {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 3rem;
}

.section-header-with-action .section-header {
    text-align: left;
    margin-bottom: 0;
    flex: 1;
}

.section-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #666;
    margin-top: 1rem;
    /* max-width: 600px; */
    margin-left: auto;
    margin-right: auto;
}

.btn-view-all {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    white-space: nowrap;
}

.btn-view-all:hover {
    background: var(--primary-color);
    color: #fff;
}

.product-showcase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* 产品展示Swiper样式 */
.product-showcase-swiper {
    margin-bottom: 2rem;
    padding: 0 50px;
}

.product-showcase-swiper .swiper-slide {
    height: auto;
}

.product-showcase-swiper .swiper-button-next,
.product-showcase-swiper .swiper-button-prev {
    color: var(--primary-color);
}

.product-showcase-swiper .swiper-button-next:hover,
.product-showcase-swiper .swiper-button-prev:hover {
    color: var(--accent-color);
}

.product-action {
    text-align: center;
    margin-top: 2rem;
}

.product-showcase-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-showcase-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.product-showcase-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
	padding-top: 15px;
}

.product-showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.product-showcase-card:hover .product-showcase-image img {
    transform: scale(1.05);
}

.product-showcase-content {
    padding: 2rem;
}

.product-showcase-content h3 {
    font-size: 1.25rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    text-align: center;
}

.product-showcase-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #666;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 最新更新 */
.news-section {
    padding: 2rem 0;
    background: #f8f9fa;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.news-card {
    background: #fff;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.news-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-date {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.news-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-content h3 {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.news-category {
    color: var(--primary-color);
}

.news-views {
    color: #999;
}

.news-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #666;
    margin-bottom: 1rem;
    flex: 1;
}

.news-read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

.news-read-more:hover {
    text-decoration: underline;
}

.news-action {
    text-align: center;
}

.btn-consultation {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-consultation:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-consultation:hover i {
    transform: translateX(5px);
}

.btn-consultation i {
    transition: transform 0.3s;
}

/* 首页支持区域 */
.support-home {
    background: #fff;
    padding: 3rem 0;
}

/* 响应式 - 首页 */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .about-grid {
        grid-template-columns: 400px 1fr;
        gap: 2rem;
    }
    
    .about-image {
        width: 400px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .related-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.5rem;
    }
    
    .stat-item {
        border-right: none !important;
        border-bottom: 1px solid #e0e0e0;
        padding: 1rem 0.5rem;
    }
    
    .stat-item:nth-child(2n) {
        border-right: none;
    }
    
    .stat-item:nth-last-child(-n+2) {
        border-bottom: none;
    }
    
    .stat-icon {
        margin-bottom: 0.5rem;
    }
    
    .stat-icon i {
        font-size: 1.5rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
        margin: 0.3rem 0;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        width: 100%;
    }
    
    .about-content {
        padding-left: 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header-with-action {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .product-showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .related-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.3rem;
    }
    
    .stat-item {
        border-right: none !important;
        border-bottom: 1px solid #e0e0e0;
        padding: 0.8rem 0.3rem;
    }
    
    .stat-item:nth-child(2n) {
        border-right: none;
    }
    
    .stat-item:nth-last-child(-n+2) {
        border-bottom: none;
    }
    
    .stat-icon {
        margin-bottom: 0.3rem;
    }
    
    .stat-icon i {
        font-size: 1.3rem;
    }
    
    .stat-number {
        font-size: 1.3rem;
        margin: 0.2rem 0;
    }
    
    .stat-label {
        font-size: 0.75rem;
        line-height: 1.3;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .related-products-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   16. 主导航响应式样式
   ============================================= */

/* 手机端导航按钮 */
@media (max-width: 1200px) {
    .nav-toggle {
        display: block;
        background: none;
        border: none;
        padding: 0.5rem;
        cursor: pointer;
        z-index: 1001;
    }

    .hamburger {
        position: relative;
        width: 24px;
        height: 2px;
        background: #333;
        transition: 0.3s;
    }

    .hamburger::before,
    .hamburger::after {
        content: '';
        position: absolute;
        width: 24px;
        height: 2px;
        background: #333;
        transition: 0.3s;
    }

    .hamburger::before {
        top: -8px;
    }

    .hamburger::after {
        top: 8px;
    }

    /* 导航菜单显示/隐藏 */
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        gap: 0;
        padding: 5rem 0 0 0;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
        transition: left 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    /* 汉堡按钮动画 */
    .nav-toggle.active .hamburger {
        background: transparent;
    }

    .nav-toggle.active .hamburger::before {
        top: 0;
        transform: rotate(45deg);
    }

    .nav-toggle.active .hamburger::after {
        top: 0;
        transform: rotate(-45deg);
    }

    /* 导航项样式 */
    .nav-menu > li:not(.lang-buttons):not(.search-switch) {
        width: 100%;
        border-bottom: 1px solid #e0e0e0;
    }

    .nav-menu > li:not(.lang-buttons):not(.search-switch) > a {
        display: block;
        padding: 1rem 1.5rem;
        width: 100%;
        position: relative;
        color: #333;
        font-weight: 500;
    }

    /* 主下拉菜单 - 默认隐藏 */
    .nav-menu > li > ul {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        min-width: 100%;
        display: none;
    }

    /* 激活状态时显示子菜单 */
    .nav-menu > li.active > ul {
        display: block;
    }

    /* 子菜单项样式 */
    .nav-menu ul li {
        position: relative;
    }

    .nav-menu ul li > ul {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        min-width: 100%;
        display: none;
    }

    /* 二级子菜单激活状态 */
    .nav-menu ul li.active > ul {
        display: block;
    }

    .nav-menu ul a {
        padding: 0.8rem 1.5rem 0.8rem 2.5rem;
        background: #f8f9fa;
        border-bottom: 1px solid #e5e5e5;
    }

    .nav-menu ul ul a {
        padding: 0.8rem 1.5rem 0.8rem 3.5rem;
        background: #f0f0f0;
    }

    /* 搜索图标和电话链接隐藏 */
    .search-icon,
    .phone-link {
        display: none;
    }

    /* 遮罩层 */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
    }
}

/* 更小屏幕 */
@media (max-width: 480px) {
    .nav-menu {
        width: 250px;
    }

    .nav-menu > li > a {
        padding: 0.9rem 1.2rem;
        font-size: 1rem;
    }

    .nav-menu ul a {
        padding: 0.7rem 1.2rem 0.7rem 2rem;
        font-size: 0.95rem;
    }

    .nav-menu ul ul a {
        padding: 0.7rem 1.2rem 0.7rem 2.8rem;
        font-size: 0.95rem;
    }
}

/* =============================================
   17. 浮动客服
   ============================================= */
.floating-service {
    position: fixed;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    z-index: 9998;
}

.service-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(103, 167, 179, 0.4);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-toggle:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 6px 20px rgba(103, 167, 179, 0.5);
}

.service-toggle i {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.service-panel {
    position: absolute;
    top: 50%;
    right: 75px;
    transform: translateY(-50%);
    width: 320px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-50%) translateX(20px);
    transition: all 0.3s ease;
    overflow: hidden;
}

.floating-service.active .service-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.service-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #fff;
    padding: 1.2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.service-header h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.service-close {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    font-size: 1rem;
}

.service-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.service-content {
    padding: 1.5rem;
}

.service-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    background: #f8f9fa;
    margin-bottom: 1rem;
    transition: all 0.3s;
}

.service-item:last-child {
    margin-bottom: 0;
}

.service-item:hover {
    background: rgba(103, 167, 179, 0.1);
    transform: translateX(5px);
}

.service-item .service-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.service-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.service-label {
    font-size: 0.85rem;
    color: #666;
    font-weight: 500;
}

.service-value {
    font-size: 1rem;
    color: #333;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s;
    word-break: break-all;
}

.service-value:hover {
    color: var(--primary-color);
}

.service-footer {
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.service-contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.9rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(103, 167, 179, 0.3);
}

.service-contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(103, 167, 179, 0.4);
}

.service-contact-btn i {
    font-size: 1.1rem;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .floating-service {
        top: 50%;
        right: 15px;
        transform: translateY(-50%);
    }
    
    .service-toggle {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
    }
    
    .service-panel {
        width: 280px;
        right: 70px;
    }
    
    .service-header {
        padding: 1rem 1.2rem;
    }
    
    .service-content {
        padding: 1.2rem;
    }
    
    .service-footer {
        padding: 0 1.2rem 1.2rem 1.2rem;
    }
    
    .service-contact-btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.95rem;
    }
    
    .service-item {
        padding: 0.8rem;
    }
    
    .service-item .service-icon {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .service-value {
        font-size: 0.9rem;
    }
}

/* =============================================
   响应式设计 - 统一管理
   断点：1200px, 1024px, 768px, 480px, 360px
   ============================================= */

/* =============================================
   1200px - 大屏幕到中屏过渡（导航菜单切换点）
   ============================================= */
@media (max-width: 1200px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 92px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 92px);
        background: #fff;
        box-shadow: -2px 0 8px rgba(0,0,0,0.1);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        transition: right 0.3s;
        overflow-y: auto;
        z-index: 999;
        gap: 0;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    /* 1200px断点的菜单样式只在非手机版生效 */
    @media (min-width: 481px) {
        .nav-menu > li:not(.lang-buttons):not(.search-switch) {
            width: 100%;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .nav-menu li a {
            display: block;
            padding: 1rem 0;
        }
    }
}

/* 1512px以下 - 400电话只显示图标 */
@media (max-width: 1512px) {
    .phone-link {
        border: none !important;
        padding: 0.5rem !important;
        background: transparent !important;
        font-size: 0;
    }
    
    .phone-link:hover {
        background: transparent !important;
    }
    
    .phone-link i {
        font-size: 1rem;
        margin-right: 0;
    }
}

/* 1380px以下 - 菜单间距缩小 */
@media (max-width: 1380px) {
    .nav-menu {
        gap: 1.5rem;
    }
}

/* =============================================
   1024px - 平板横屏
   ============================================= */
@media (max-width: 1024px) {
    /* 统计数据 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 产品页 */
    .product-swiper {
        height: 300px;
    }
    
    .product-layout {
        grid-template-columns: 280px 1fr;
        gap: 1.5rem;
    }
    
    /* 首页产品展示 */
    .products-section .product-showcase-swiper .swiper-slide {
        min-width: 300px;
    }
    
    /* 首页服务 */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* =============================================
   768px - 平板竖屏/大手机横屏
   ============================================= */
@media (max-width: 768px) {
    /* 容器 */
    .container {
        padding: 0 15px;
    }
    
    /* 文章页 */
    .article-page .article-content,
    .article-page .article-content h1,
    .article-page .article-content h2,
    .article-page .article-content h3 {
        max-width: 100%;
    }
    
    .article-navigation {
        flex-direction: column;
        gap: 1rem;
    }
    
    .article-navigation .nav-prev,
    .article-navigation .nav-next {
        max-width: 100%;
    }
    
    .article-navigation strong,
    .article-navigation .nav-prev > span > a,
    .article-navigation .nav-next > span > a {
        font-size: 0.95rem;
    }
    
    /* 侧边栏菜单 */
    .sidebar-nav-item .nav-submenu {
        display: block !important;
        max-height: 2000px !important;
    }
    
    /* 产品筛选 */
    .filter-options {
        flex-wrap: wrap;
    }
    
    /* 页脚 */
    .footer-contact-inline {
        display: block;
    }
    
    .footer-contact-inline .contact-item {
        margin-bottom: 0.5rem;
    }
    
    /* 产品页 */
    .product-swiper {
        height: 250px;
    }
    
    .product-swiper .swiper-button-next,
    .product-swiper .swiper-button-prev {
        width: 40px;
        height: 40px;
    }
    
    .product-swiper .swiper-button-next:after,
    .product-swiper .swiper-button-prev:after {
        font-size: 16px;
    }
    
    .product-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .breadcrumb-navigation {
        padding: 1rem 0;
        font-size: 0.85rem;
    }
    
    .product-main .row {
        flex-direction: column;
    }

    .product-gallery {
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
        flex-shrink: 1;
    }

    .product-main-swiper .swiper-button-next,
    .product-main-swiper .swiper-button-prev {
        width: 35px;
        height: 35px;
    }

    .product-main-swiper .swiper-button-next:after,
    .product-main-swiper .swiper-button-prev:after {
        font-size: 16px;
    }

    .product-thumbs-swiper .swiper-slide {
        aspect-ratio: 1 / 1;
    }

    .product-main .product-info {
        padding: 1.5rem;
    }

    .product-main .product-title {
        font-size: 1.5rem;
    }

    .product_meta {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .woocommerce-product-attributes th {
        width: 35%;
        font-size: 0.9rem;
        padding: 0.8rem;
    }

    .woocommerce-product-attributes td {
        font-size: 0.9rem;
        padding: 0.8rem 1rem;
    }

    .panel.entry-content table th {
        width: 35%;
        font-size: 0.9rem;
        padding: 0.8rem;
    }

    .panel.entry-content table td {
        font-size: 0.9rem;
        padding: 0.8rem 1rem;
    }

    .panel.entry-content h1 {
        font-size: 1.8rem;
    }
    
    .panel.entry-content h2 {
        font-size: 1.5rem;
    }
    
    .panel.entry-content h3 {
        font-size: 1.3rem;
    }
    
    .panel.entry-content ul,
    .panel.entry-content ol {
        padding-left: 1.5rem;
    }
    
    .panel.entry-content pre {
        padding: 1rem;
        font-size: 0.85rem;
    }

    .panel.entry-content img {
        margin: 1.5rem auto;
    }

    .product-section {
        padding: 1.5rem;
    }

    .product-section h5 {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        font-size: 1.1rem;
    }

    .product-section h5 a {
        font-size: 0.8rem;
        padding: 0.3rem 0.8rem;
    }

    .product-footer {
        margin-top: 2rem;
    }

    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-sidebar {
        display: none;
    }
    
    .product-filters {
        padding: 1rem;
    }
    
    .product-item {
        min-height: 150px;
    }
    
    .product-image {
        width: 150px;
        min-width: 150px;
        height: 150px;
    }
    
    .product-info {
        padding: 1rem 1.5rem;
    }
    
    .product-title {
        font-size: 1rem;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .support-time-zones {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .online-consultation {
        margin: 2rem 0;
    }

    .consultation-link {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
    
    /* 搜索页 */
    .search-content {
        padding: 2rem 1.5rem;
    }
    
    /* 统计数据 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-item {
        padding: 1.2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* 首页关于 */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-image {
        max-width: 100%;
    }
    
    /* 首页服务 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* 首页产品 */
    .product-showcase-swiper .swiper-slide {
        min-width: 280px;
    }
    
    /* 首页新闻 */
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* 浮动客服 */
    .floating-service {
        display: none !important;
    }
}

/* =============================================
   480px - 大手机
   ============================================= */
@media (max-width: 480px) {
    /* BANNER切换为手机版 */
    .banner-mobile {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
        position: relative !important;
        visibility: visible !important;
    }
    
    .banner-pc {
        display: none !important;
        height: 0 !important;
        overflow: hidden !important;
        position: absolute !important;
        visibility: hidden !important;
    }
    
    /* 400电话 */
    .phone-link {
        display: none !important;
    }
    
    /* 语言切换按钮 - 修复变形 */
    .lang-btn {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
        border-width: 1.5px;
        flex-shrink: 0;
    }
    
    .lang-buttons {
        gap: 0.4rem;
    }
    
    /* 手机版菜单 */
    .nav-menu {
        top: 75px;
        width: 100%;
        height: calc(100vh - 75px);
        padding: 0;
        overflow: hidden;
    }
    
    /* 一级菜单容器 */
    .nav-menu-primary {
        width: 100%;
        height: 100%;
        padding: 1.5rem;
        overflow-y: auto;
        transition: transform 0.3s ease;
    }
    
    /* 当显示二级菜单时，一级菜单左移 */
    .nav-menu.show-submenu .nav-menu-primary {
        transform: translateX(-100%);
    }
    
    /* 手机版一级菜单 */
    .nav-menu > li:not(.lang-buttons):not(.search-switch) {
        width: 100%;
        border-bottom: none;
    }
    
    .nav-menu > li:last-child {
        border-bottom: none;
    }
    
    /* 手机版搜索 - 直接显示表单 */
    .nav-menu .search-switch {
        width: 100%;
        padding: 1rem 0;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu .search-switch > a {
        display: none;
    }
    
    .nav-menu .search-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        min-width: auto;
        background: transparent;
    }
    
    .nav-menu .search-dropdown-form {
        width: 100%;
    }
    
    .nav-menu .search-input-group {
        flex-direction: row;
        gap: 0.5rem;
    }
    
    .nav-menu .search-dropdown-input {
        flex: 1;
        padding: 0.7rem 1rem;
        border: 2px solid #e0e0e0;
        border-radius: 6px;
        font-size: 0.95rem;
    }
    
    .nav-menu .search-dropdown-btn {
        padding: 0.7rem 1.2rem;
        background: var(--primary-color);
        color: #fff;
        border: none;
        border-radius: 6px;
        font-size: 0.95rem;
        white-space: nowrap;
    }
    
    /* 手机版语言切换 - 文字形式 */
    .nav-menu .lang-buttons {
        width: 100%;
        padding: 1rem;
        /* border-bottom: 1px solid #f0f0f0; */
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }
    
    .nav-menu .lang-btn {
        width: auto;
        height: auto;
        padding: 0.3rem 2rem;
        border: none;
        border-radius: 0;
        /* font-size: 1rem; */
        background: transparent;
        color: #333;
    }
    
    /* 手机版显示全称 */
    .nav-menu .lang-btn .lang-short {
        display: none;
    }
    
    .nav-menu .lang-btn .lang-flag {
        display: inline-block;
        width: 20px;
        height: 14px;
        margin-right: 0.4rem;
        border-radius: 2px;
        vertical-align: middle;
    }
    
    .nav-menu .lang-btn .flag-cn {
        background: linear-gradient(to bottom, #de2910 0%, #de2910 100%);
        position: relative;
    }
    
    .nav-menu .lang-btn .flag-cn::after {
        content: '★';
        position: absolute;
        left: 3px;
        top: 50%;
        transform: translateY(-50%);
        color: #ffde00;
        font-size: 10px;
    }
    
    .nav-menu .lang-btn .flag-us {
        background: linear-gradient(to bottom, 
            #b22234 0%, #b22234 7.69%, 
            white 7.69%, white 15.38%,
            #b22234 15.38%, #b22234 23.07%,
            white 23.07%, white 30.76%,
            #b22234 30.76%, #b22234 38.45%,
            white 38.45%, white 46.14%,
            #b22234 46.14%, #b22234 53.83%,
            white 53.83%, white 61.52%,
            #b22234 61.52%, #b22234 69.21%,
            white 69.21%, white 76.9%,
            #b22234 76.9%, #b22234 84.59%,
            white 84.59%, white 92.28%,
            #b22234 92.28%, #b22234 100%);
        position: relative;
    }
    
    .nav-menu .lang-btn .flag-us::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 40%;
        height: 53.83%;
        background: #3c3b6e;
    }
    
    .nav-menu .lang-btn .lang-full {
        display: inline;
    }
    
    .nav-menu .lang-btn.active {
        border: none;
        background: transparent;
        color: var(--primary-color);
        font-weight: 600;
    }
    
    /* 手机版400电话 */
    .nav-menu .phone-link {
        display: flex !important;
        width: 100%;
        padding: 1rem 0;
        border-bottom: 1px solid #f0f0f0;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        text-decoration: none;
        border: none;
        background: transparent;
    }
    
    .nav-menu .phone-link i {
        display: none;
    }
    
    .nav-menu .phone-number {
        padding: 0.4rem 0.8rem;
        border: 2px solid var(--primary-color);
        border-radius: 4px;
        color: var(--primary-color);
        font-weight: 600;
        font-size: 1.1rem;
    }
    
    .nav-menu > li > a {
        display: block;
        padding: 1rem 0;
        position: relative;
        width: 100%;
    }
    
    /* 没有子菜单的激活状态 */
    .nav-menu > li.active:not(:has(> ul)) > a,
    .nav-menu > li > a:not(:has(~ ul)):hover {
        background: rgba(103, 167, 179, 0.08);
        color: var(--primary-color);
        padding-left: 1rem;
        padding-right: 1rem;
        margin: 0 -1rem;
    }
    
    /* 有子菜单的项目显示右箭头 */
    .nav-menu > li:has(> ul) > a::after {
        content: '\f054';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 0.8rem;
        color: #999;
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
    }
    
    /* 手机版二级菜单 - 从右侧滑入 */
    .nav-menu > li > ul {
        position: fixed !important;
        top: 75px !important;
        right: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: calc(100vh - 75px) !important;
        background: #fff !important;
        transform: translateX(100%) !important;
        transition: transform 0.3s ease !important;
        z-index: 1001 !important;
        overflow-x: hidden !important;
        overflow-y: auto !important;
        padding: 0 !important;
        margin: 0 !important;
        box-shadow: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        display: flex !important;
        flex-direction: column !important;
    }
    
    /* 激活状态 - 显示二级菜单 */
    .nav-menu > li.submenu-active > ul {
        transform: translateX(0) !important;
    }
    
    /* 二级菜单头部（返回按钮）- 固定在顶部 */
    .submenu-header {
        display: flex !important;
        align-items: center;
        padding: 1rem 1.5rem;
        background: #fff;
        color: #333;
        font-weight: 500;
        border-bottom: 1px solid #f0f0f0;
        position: sticky;
        top: 0;
        z-index: 10;
        margin: 0;
        flex-shrink: 0;
    }
    
    /* 当三级菜单激活时，隐藏二级菜单的内容（但保留三级菜单） */
    .nav-menu > li > ul:has(.submenu-active) > .submenu-header,
    .nav-menu > li > ul:has(.submenu-active) > li:not(.submenu-active) {
        display: none !important;
    }
    
    .submenu-back {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        color: #333;
        text-decoration: none;
        font-size: 1rem;
        cursor: pointer;
        padding: 0;
        background: transparent;
        transition: all 0.3s;
    }
    
    .submenu-back:hover {
        color: var(--primary-color);
    }
    
    .submenu-back i {
        font-size: 1rem;
    }
    
    .submenu-title {
        display: none;
    }
    
    /* 二级菜单内容区域 */
    .nav-menu > li > ul > li,
    .nav-menu > li > ul > .submenu-header {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    
    /* 二级菜单内容 - 与一级菜单保持一致 */
    .nav-menu ul li {
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu ul li:last-child {
        border-bottom: none;
    }
    
    .nav-menu ul a {
        padding: 1rem 0 !important;
        font-size: 1rem;
        font-weight: 500;
        color: #333;
        background: transparent !important;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .nav-menu ul li.active > a,
    .nav-menu ul a:hover {
        background: rgba(103, 167, 179, 0.08) !important;
        color: var(--primary-color) !important;
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        margin: 0 -1rem;
    }
    
    /* 三级菜单箭头 */
    .nav-menu ul li:has(> ul) > a::after {
        content: '\f054';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 0.8rem;
        color: #999;
        margin-left: auto;
    }
    
    /* 手机版三级菜单 */
    .nav-menu ul li > ul {
        position: fixed !important;
        top: 75px !important;
        right: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: calc(100vh - 75px) !important;
        background: #fff !important;
        transform: translateX(100%) !important;
        transition: transform 0.3s ease !important;
        z-index: 1002 !important;
        overflow-x: hidden !important;
        overflow-y: auto !important;
        padding: 0 !important;
        margin: 0 !important;
        box-shadow: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        display: flex !important;
        flex-direction: column !important;
    }
    
    .nav-menu ul li.submenu-active > ul {
        transform: translateX(0) !important;
    }
    
    /* 三级菜单内容区域 */
    .nav-menu ul li > ul > li,
    .nav-menu ul li > ul > .submenu-header {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    
    /* 三级菜单内容 - 与一级菜单保持一致 */
    .nav-menu ul ul a {
        padding: 1rem 0 !important;
        font-size: 1rem;
        font-weight: 500;
        color: #333;
        background: transparent !important;
    }
    
    .nav-menu ul ul li.active > a,
    .nav-menu ul ul a:hover {
        background: rgba(103, 167, 179, 0.08) !important;
        color: var(--primary-color) !important;
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        margin: 0 -1rem;
    }
    
    /* 统计数据 */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    /* 产品页 */
    .product-swiper {
        height: 200px;
    }
    
    .product-item {
        flex-direction: column;
        min-height: auto;
    }
    
    .product-image {
        width: 100%;
        height: 200px;
    }
    
    .product-info {
        padding: 1.2rem;
    }
    
    .product-title {
        font-size: 0.95rem;
    }
    
    .product-sku {
        font-size: 0.8rem;
    }
    
    .product-price {
        font-size: 0.85rem;
    }
    
    .sidebar-nav-section,
    .sidebar-contact-form {
        padding: 1rem;
    }
    
    .nav-header {
        padding: 0.8rem 1rem;
        font-size: 1rem;
    }
    
    .nav-toggle-btn {
        padding: 0.8rem 1rem;
    }
    
    .nav-submenu {
        padding: 0 1rem 0.8rem 1rem;
    }
    
    .pagination {
        gap: 0.3rem;
    }
    
    .pagination a,
    .pagination span {
        min-width: 35px;
        height: 35px;
        padding: 0.3rem 0.5rem;
        font-size: 0.85rem;
    }
    
    /* 搜索页 */
    .search-content {
        padding: 1.5rem 1rem;
    }
    
    .search-header h1 {
        font-size: 1.5rem;
    }
    
    /* 导航菜单 */
    .nav-menu {
        top: 75px;
        width: 100%;
        height: calc(100vh - 75px);
        padding: 1.5rem;
    }
    
    /* 首页产品 */
    .product-showcase-swiper .swiper-slide {
        min-width: 260px;
    }
}

/* =============================================
   360px - 小手机
   ============================================= */
@media (max-width: 360px) {
    .logo img {
        height: 45px;
    }
    
    .header-content {
        padding: 0.8rem 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .product-showcase-swiper .swiper-slide {
        min-width: 240px;
    }
}