/* ========== CSS 变量 ========== */
:root {
    --primary-color: #ff6b35;
    --primary-color-hover: #e55a2b;
    --primary-color-light: #ff8c5a;
    --text-color: #333;
    --text-muted: #666;
    --border-color: #e0e0e0;
    --bg-color: #f5f5f5;
    
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    --container-width: 1200px;
    
    /* 动态背景图变量 */
    --banner-bg-url: '';
}

/* ========== 重置样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: #fff;
    overflow-x: hidden;
    max-width: 100vw;
}

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

a:hover {
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style: none;
}

/* ========== 容器 ========== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========== 可访问性 ========== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========== 顶部信息栏 ========== */
.top-bar {
    background: var(--bg-color);
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
}

.top-info {
    display: flex;
    gap: 20px;
    align-items: center;
}

.top-info-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-muted);
}

.top-info-item .icon {
    width: 16px;
    height: 16px;
}

/* ========== 头部（浮动在轮播图上方） ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 0;
    gap: 30px;
}

.logo img {
    height: 50px;
    transition: all 0.3s ease;
    /* 透明背景时LOGO显示为白色 */
    filter: brightness(0) invert(1);
}

.header.scrolled .logo img {
    height: 40px;
    /* 滚动后白底导航，LOGO恢复正常颜色 */
    filter: none;
}

.logo-text {
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.header.scrolled .logo-text {
    color: var(--primary-color);
    text-shadow: none;
}

/* ========== 导航栏 ========== */
.nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-item {
    position: relative;
}

.nav-item > a {
    display: block;
    padding: 10px 20px;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

/* 首页导航 - 透明背景时 */
.page-index .nav-item > a {
    text-shadow: none;
}

/* 内页导航 - 浮动在banner上时 */
body:not(.page-index) .nav-item > a {
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 内页导航 - 滚动后白色背景 */
.header.scrolled .nav-item > a {
    color: var(--text-color);
    text-shadow: none;
}

/* 导航项基础样式 - 添加position: relative */
.nav-item > a {
    position: relative;
}

/* 导航项hover效果 - 下划线从左向右展开 */
.nav-item > a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 15px;
    right: 100%;
    height: 2px;
    background: #ff6b00;
    transition: right 0.3s ease;
}

.nav-item > a:hover::before {
    right: 15px;
}

/* 首页导航 hover 和 active - 白色 */
.page-index .nav-item > a:hover,
.page-index .nav-item > a.active {
    color: #fff;
    text-decoration: none;
}

/* 首页当前页面导航 - 橙色下划线 */
.page-index .nav-item > a.active::before {
    right: 15px;
}

/* 内页当前页面导航 - 橙色下划线（浮动在banner上时） */
body:not(.page-index) .header:not(.scrolled) .nav-item > a.active::before {
    right: 15px;
}

/* 内页当前页面导航 - 橙色下划线（滚动后） */
.header.scrolled .nav-item > a.active::before {
    right: 15px;
}

/* 内页导航 hover 和 active - 浮动在banner上时 */
body:not(.page-index) .header:not(.scrolled) .nav-item > a:hover,
body:not(.page-index) .header:not(.scrolled) .nav-item > a.active {
    color: #fff;
    text-decoration: none;
}

/* 内页导航 hover 和 active - 滚动后 */
.header.scrolled .nav-item > a:hover,
.header.scrolled .nav-item > a.active {
    color: #ff6b00;
    text-decoration: none;
}

.nav-item > a.active {
    font-weight: 600;
}

/* 下拉菜单 */
.nav-item.has-dropdown > a {
    display: flex;
    align-items: center;
}

.nav-item.has-dropdown > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    margin-left: 8px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

/* 有二级菜单的导航项 - active状态显示下划线 */
.nav-item.has-dropdown > a.active::before {
    right: 15px;
}

/* active状态的下拉箭头 - 保持右侧位置 */
.nav-item.has-dropdown > a.active::after {
    border-top-color: #ff6b00;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 160px;
    display: none;
    padding: 8px 0;
}

.nav-item:hover .dropdown-menu {
    display: block;
}

.dropdown-item a {
    display: block;
    padding: 10px 20px;
    color: var(--text-color);
    font-size: 14px;
}

.dropdown-item a:hover {
    background: var(--bg-color);
    color: #ff6b00;
    text-decoration: none;
}

/* ========== 右侧工具栏 ========== */
.header-tools {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* 搜索按钮 */
.search-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: #fff;
    transition: all 0.3s ease;
}

.header.scrolled .search-toggle {
    color: var(--text-color);
}

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

.search-toggle svg {
    width: 22px;
    height: 22px;
}

/* ========== 语言切换器 ========== */
.lang-switcher {
    position: relative;
}

.lang-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    opacity: 0.8;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: none;
    min-width: 120px;
    padding: 8px 0;
}

.lang-dropdown.show {
    display: block;
}

.lang-switch-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    color: var(--text-color);
}

.lang-switch-item:hover {
    background: var(--bg-color);
    text-decoration: none;
}

.lang-flag-mini {
    width: 20px;
    height: 14px;
}

.current-lang-flag {
    width: 20px;
    height: 14px;
}

.globe-icon {
    width: 20px;
    height: 20px;
    color: #fff;
}

.header.scrolled .globe-icon {
    color: var(--text-color);
}

/* ========== 浮动搜索框 ========== */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.search-modal.show {
    display: flex;
}

.search-modal-content {
    width: 100%;
    max-width: 600px;
    padding: 0 20px;
    position: relative;
}

.search-modal-form {
    display: flex;
    background: #fff;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.search-modal-input {
    flex: 1;
    padding: 18px 25px;
    border: none;
    outline: none;
    font-size: 18px;
    background: transparent;
}

.search-modal-btn {
    width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    border: none;
    cursor: pointer;
    color: #fff;
    transition: background 0.3s ease;
}

.search-modal-btn:hover {
    background: var(--primary-color-hover, #e55a2b);
}

.search-modal-btn svg {
    width: 24px;
    height: 24px;
}

.search-modal-close {
    position: absolute;
    top: -50px;
    right: 20px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 2px solid #fff;
    border-radius: 50%;
    cursor: pointer;
    color: #fff;
    transition: all 0.3s ease;
}

.search-modal-close:hover {
    background: #fff;
    color: var(--text-color);
}

.search-modal-close svg {
    width: 20px;
    height: 20px;
}

/* ========== 移动端菜单按钮 ========== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
    transition: all 0.3s ease;
}

.header.scrolled .mobile-menu-toggle span {
    background: var(--text-color);
}

/* ========== 主体内容 ========== */
.main {
    min-height: 400px;
    padding: var(--spacing-xl) 0;
    padding-top: 0; /* 首页不需要padding-top，因为轮播图是全屏的 */
}

/* 非首页的主体内容 */
body:not(.page-index) .main {
   /* 为浮动header留出空间 */
}

/* ========== 面包屑导航 ========== */
.breadcrumb-wrapper {
    background: #fff;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 0;
}

.breadcrumb a {
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb .separator {
    margin: 0 8px;
    color: var(--border-color);
}

.breadcrumb .current {
    color: var(--text-color);
    font-weight: 500;
}

.breadcrumb-separator {
    margin: 0 8px;
}

/* ========== 页面标题 ========== */
.page-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-color);
}

/* ========== 内容区域 ========== */
.content-area {
    margin-bottom: var(--spacing-xl);
}

.content-area img {
    max-width: 100%;
    height: auto;
}

/* ========== 列表样式 ========== */
.list-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

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

.list-item-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.list-item-title a {
    color: var(--text-color);
}

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

.list-item-meta {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.list-item-summary {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ========== 分页 ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-top: var(--spacing-xl);
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 14px;
}

.pagination a:hover {
    background: var(--bg-color);
    text-decoration: none;
}

.pagination .current {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ========== 搜索页面 ========== */
/* 搜索页面 banner：灰色背景 */
.search-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: cover;
    background-position: center;
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    margin-top: 0;
}

.search-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.9);
    z-index: 1;
}

.search-banner .container {
    position: relative;
    z-index: 2;
}

.search-banner h1 {
    color: #fff;
    font-size: 32px;
    margin-bottom: 30px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 搜索表单（在 banner 内） */
.search-banner .search-form {
    display: flex;
    align-items: center;
    max-width: 700px;
    margin: 0 auto;
    gap: 12px;
}

.search-banner .search-input-wrap {
    flex: 1;
    display: flex;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.search-banner .search-input {
    flex: 1;
    padding: 15px 25px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    background: transparent;
}

.search-banner .search-input:focus {
    outline: none;
}

.search-banner .search-btn {
    padding: 15px 35px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.search-banner .search-btn:hover {
    background: var(--primary-color-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

.search-banner .search-reset {
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.95);
    color: #666;
    border-radius: 50px;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 桌面端显示控制 - 默认显示desktop-btn */
.search-banner .search-btn.desktop-btn,
.search-banner .search-reset.desktop-btn {
    display: block;
}

/* 移动端按钮容器（默认隐藏） */
.search-buttons-mobile {
    display: none;
    gap: 10px;
    width: 100%;
}

.search-buttons-mobile .search-btn,
.search-buttons-mobile .search-reset {
    flex: 1;
    padding: 12px 20px;
    font-size: 15px;
    text-align: center;
    border-radius: 25px;
}

/* 移动端单独显示的搜索按钮（默认隐藏） */
.search-btn.mobile-only {
    display: none;
}
.search-buttons-mobile {
    display: none;
    gap: 10px;
    width: 100%;
}

.search-banner .search-reset:hover {
    background: #fff;
    transform: translateY(-2px);
}

/* ========== 搜索页面覆盖层样式（使用page-banner背景图） ========== */
.search-banner-overlay {
    position: relative;
}

.search-banner-overlay h1 {
    color: #fff;
    font-size: 28px;
    margin-bottom: 20px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 缩小版搜索表单 */
.search-form-compact {
    display: flex;
    align-items: center;
    max-width: 500px;
    margin: 0 auto;
    gap: 10px;
}

.search-input-wrap-compact {
    flex: 1;
    display: flex;
    background: rgba(255, 255, 255, 0.95);
    padding: 5px;
    border-radius: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.search-input-compact {
    flex: 1;
    padding: 10px 18px;
    border: none;
    border-radius: 30px;
    font-size: 14px;
    background: transparent;
    min-width: 0;
}

.search-input-compact:focus {
    outline: none;
}

.search-btn-compact {
    padding: 10px 25px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.search-btn-compact:hover {
    background: var(--primary-color-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

.search-reset-compact {
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.9);
    color: #666;
    border-radius: 30px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
}

.search-reset-compact:hover {
    background: #fff;
    transform: translateY(-2px);
}

/* 桌面端按钮显示控制 */
.search-btn-compact.desktop-btn {
    display: block;
}

.search-reset-compact.desktop-btn {
    display: block;
}

/* 移动端按钮容器（默认隐藏） */
.search-form-compact .search-buttons-mobile {
    display: none;
    gap: 10px;
    width: 100%;
}

.search-form-compact .search-buttons-mobile .search-btn-compact,
.search-form-compact .search-buttons-mobile .search-reset-compact {
    flex: 1;
    padding: 10px 20px;
    font-size: 14px;
    text-align: center;
}

/* 搜索页面容器 */
.search-page {
    padding: 40px 0;
    min-height: 60vh;
    background: #f8f9fa;
}

/* 搜索结果信息 */
.search-result-info {
    margin-bottom: 20px;
    padding: 12px 18px;
    background: #f5f5f5;
    border-radius: 4px;
    font-size: 14px;
    color: #666;
}

.result-keyword strong {
    color: var(--primary-color);
}

.result-count em {
    color: #ff4d4f;
    font-style: normal;
    font-weight: 600;
}

/* 搜索结果列表 */
.search-results {
    margin-bottom: 30px;
}

.search-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 4px;
    margin-bottom: 15px;
}

.item-thumb {
    flex-shrink: 0;
    width: 160px;
}

.item-thumb img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.item-content {
    flex: 1;
    min-width: 0;
}

.item-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.item-type {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 12px;
}

.type-news { background: #e6f7ff; color: #1890ff; }
.type-product { background: #fff0f6; color: #eb2f96; }
.type-case { background: #f6ffed; color: #52c41a; }
.type-gallery { background: #fff7e6; color: #fa8c16; }
.type-page { background: #f9f0ff; color: #722ed1; }

.item-date {
    color: #999;
    font-size: 13px;
}

.item-title {
    font-size: 17px;
    margin-bottom: 8px;
    line-height: 1.4;
}

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

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

.item-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

.item-desc mark,
.item-title mark {
    background: #ffe58f;
    padding: 1px 3px;
    color: #d48806;
}

/* 无结果 */
.search-empty {
    text-align: center;
    padding: 50px 20px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 4px;
}

.empty-icon {
    color: #ddd;
    margin-bottom: 15px;
}

.search-empty h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.search-empty > p {
    color: #666;
    font-size: 15px;
    margin-bottom: 20px;
}

.empty-tips {
    display: inline-block;
    text-align: left;
    padding: 15px 20px;
    background: #fafafa;
    border-radius: 4px;
}

.empty-tips p {
    color: #666;
    margin-bottom: 8px;
    font-size: 14px;
}

.empty-tips ul {
    margin: 0;
    padding-left: 18px;
}

.empty-tips li {
    color: #888;
    font-size: 13px;
    margin-bottom: 4px;
}

/* 搜索初始状态样式 */
.search-initial {
    text-align: center;
    padding: 80px 20px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.initial-icon {
    color: #ddd;
    margin-bottom: 20px;
}

.initial-icon svg {
    width: 80px;
    height: 80px;
}

.search-initial h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.search-initial p {
    color: #999;
    font-size: 14px;
}

/* 搜索页面分页 */
.search-page .pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.search-page .page-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
}

.search-page .page-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.search-page .page-numbers {
    display: flex;
    gap: 6px;
}

.search-page .page-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #666;
    font-size: 14px;
}

.search-page .page-num:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.search-page .page-num.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

/* ========== 页脚 ========== */
.footer {
    background: var(--bg-color);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.friend-links {
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.friend-links a {
    margin-right: 15px;
    color: var(--text-muted);
}

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

.friend-link-logo {
    height: 20px;
    vertical-align: middle;
}

.copyright {
    font-size: 14px;
    color: var(--text-muted);
}

.copyright p {
    margin-bottom: 5px;
}

.beian-info a {
    color: var(--text-muted);
    margin-right: 15px;
}

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

.footer-links {
    margin-top: 10px;
}

/* ========== 底部媒体账号 ========== */
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-social {
    display: flex;
    gap: 20px;
    flex-shrink: 0;
}

.social-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.social-qrcode {
    width: 80px;
    height: 80px;
    border-radius: 4px;
    object-fit: cover;
}

.social-name {
    font-size: 12px;
    color: var(--text-muted);
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
}

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

/* 隐私政策链接样式 */
.footer-separator {
    color: var(--text-muted);
    margin: 0 8px;
}

.footer-privacy-link {
    color: var(--text-muted);
    text-decoration: none;
}

.footer-privacy-link:hover {
    color: var(--primary-color);
}

/* 移动端样式 */
@media (max-width: 768px) {
    .beian-info {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        gap: 8px;
    }

    .footer-separator {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .copyright {
        text-align: center;
        width: 100%;
    }

    .footer-social {
        margin-top: 15px;
        justify-content: center;
        width: 100%;
    }

    .social-qrcode {
        width: 70px;
        height: 70px;
    }

    /* 英文装饰移动端 */
    .section-title-en {
        font-size: 24px;
        letter-spacing: 4px;
        -webkit-text-stroke: 1px rgba(180, 180, 180, 0.3);
        text-stroke: 1px rgba(180, 180, 180, 0.3);
    }

    .section-categories {
        gap: 10px;
    }

    .category-tag {
        font-size: 12px;
        padding: 5px 12px;
    }

    /* 移动端导航菜单 - 使用展开式菜单 */
    .dropdown-menu {
        position: static !important;
        display: block;
        max-height: 0;
        overflow: hidden;
        padding: 0 !important;
        margin: 0;
        box-shadow: none !important;
        border: none !important;
        border-radius: 0 !important;
        background: var(--bg-color);
        transition: max-height 0.3s ease, padding 0.3s ease;
        min-width: auto !important;
    }

    .nav-item.has-dropdown.open .dropdown-menu {
        max-height: 500px;
        padding: 10px 0 !important;
        margin-top: 5px;
    }

    .dropdown-item a {
        display: block;
        padding: 12px 20px;
        color: var(--text-color);
        border-bottom: 1px dashed var(--border-color);
    }

    .dropdown-item:last-child a {
        border-bottom: none;
    }
}

/* ========== 响应式设计 ========== */
@media (max-width: 768px) {
    /* 搜索页面响应式 */
    .search-banner {
        padding: 140px 0 60px; /* 移动端增加顶部padding，确保和导航栏有足够距离 */
    }
    
    .search-banner h1 {
        font-size: 24px;
        margin-bottom: 5px; /* 减少标题和搜索框之间的距离 */
    }
    
    .search-banner .search-form {
        flex-direction: column;
        gap: 12px;
        padding: 15px;
    }
    
    /* 搜索框容器 */
    .search-banner .search-input-wrap {
        flex-direction: row;
        width: 100%;
        padding: 8px;
    }
    
    /* 移动端隐藏desktop-btn */
    .search-banner .search-btn.desktop-btn,
    .search-banner .search-reset.desktop-btn {
        display: none;
    }
    
    /* 移动端显示按钮容器 */
    .search-buttons-mobile {
        display: flex;
    }
    
    /* 移动端显示单独的搜索按钮 */
    .search-btn.mobile-only {
        display: block;
        width: 100%;
        padding: 12px 20px;
        font-size: 15px;
        border-radius: 25px;
    }
    
    .search-banner .search-input {
        flex: 1;
        padding: 12px 15px;
        font-size: 15px;
    }
    
    .search-page {
        padding: 30px 0;
    }
    
    /* 缩小版搜索框移动端样式 */
    .search-banner-overlay h1 {
        font-size: 22px;
        margin-bottom: 15px;
    }
    
    .search-form-compact {
        flex-direction: column;
        gap: 10px;
        padding: 0 15px;
    }
    
    .search-input-wrap-compact {
        width: 100%;
        padding: 5px;
    }
    
    .search-input-compact {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    /* 移动端隐藏桌面端按钮 */
    .search-btn-compact.desktop-btn {
        display: none;
    }
    
    .search-reset-compact.desktop-btn {
        display: none;
    }
    
    /* 移动端显示按钮容器：输入框下方一排显示 */
    .search-form-compact .search-buttons-mobile {
        display: flex;
    }
    
    .search-item {
        flex-direction: column;
        padding: 15px;
    }
    
    .item-thumb {
        width: 100%;
        max-width: 200px;
        margin: 0 auto;
    }
    
    .search-page .pagination {
        flex-direction: column;
    }
    
    .search-page .page-numbers {
        order: -1;
    }
    
    /* 企业介绍响应式 */
    .about-section-modern {
        padding: 40px 0;
    }

    .about-modern-wrapper {
        gap: 30px;
    }

    .about-modern-media {
        width: 100%;
    }

    .about-media-wrapper img,
    .about-media-wrapper video,
    .about-media-wrapper canvas {
        height: 250px;
    }

    .about-modern-desc {
        font-size: 15px;
        margin-bottom: 25px;
    }

    /* 底部留白为客服按钮腾出空间 */
    .footer {
        padding-bottom: 120px;
    }

    /* 主内容区域也需要底部留白 */
    .main {
        padding-bottom: 100px;
    }

    .about-modern-btn {
        padding: 10px 24px;
        font-size: 14px;
    }

    .about-media-wrapper {
        border-radius: 12px;
    }

    .about-media-wrapper img,
    .about-media-wrapper video,
    .about-media-wrapper canvas {
        border-radius: 12px;
    }

    .about-media-overlay .play-btn {
        width: 60px;
        height: 60px;
    }

    .about-media-overlay .play-btn svg {
        width: 24px;
        height: 24px;
    }

    .top-bar {
        display: none;
    }
    
    .header-main {
        flex-wrap: wrap;
    }
    
    .header-search {
        order: 3;
        max-width: 100%;
        width: 100%;
        margin-top: 10px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-nav-wrapper {
        display: none;
    }
    
    .header-nav-wrapper.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-item > a {
        padding: 10px 15px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 20px;
    }
    
    /* 移动端语言切换器保持相对定位 */
    .lang-switcher {
        position: relative;
    }
    
    .lang-dropdown {
        position: absolute;
        top: 100%;
        right: 0;
        left: auto;
        transform: none;
        margin-top: 5px;
    }
}

/* ========== 辅助类 ========== */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-muted);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* ========== 轮播图 ========== */
.banner {
    position: relative;
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
    height: auto;
}

/* 移动端固定高度，图片居中显示 */
@media (max-width: 768px) {
    .banner {
        height: 400px !important;
    }

    .banner-slide {
        height: 100% !important;
        position: absolute !important;
    }

    .banner-slide.active {
        position: relative !important;
    }

    .banner-slide img {
        width: 100% !important;
        height: 100% !important;
        max-width: none !important;
        object-fit: cover !important;
        object-position: center center !important;
    }

    .banner-link {
        display: block;
        width: 100%;
        height: 100%;
    }
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 1;
    visibility: hidden;
    transform: translateX(-100%);
    transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.banner-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    z-index: 1;
    position: relative;
    transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 从右侧进入（点击左箭头） */
.banner-slide.from-right {
    opacity: 1;
    visibility: visible;
    transform: translateX(100%);
    z-index: 1;
}

/* 向右滑出（点击右箭头） */
.banner-slide.to-right {
    opacity: 1;
    visibility: visible;
    transform: translateX(100%);
    transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 向左滑出（点击左箭头） */
.banner-slide.to-left {
    opacity: 1;
    visibility: visible;
    transform: translateX(-100%);
    transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-slide img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
}

.banner-link {
    display: block;
    width: 100%;
}

/* 轮播内容 - 居中显示 */
.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 2;
    max-width: 80%;
    width: 100%;
    pointer-events: none;
}

.banner-content h2 {
    font-size: 28px;
    font-weight: bold;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s;
}

.banner-slide.active .banner-content h2 {
    opacity: 1;
    transform: translateX(0);
}

.banner-subtitle {
    font-size: 18px;
    opacity: 0;
    line-height: 1.6;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.6s;
}

.banner-slide.active .banner-subtitle {
    opacity: 0.95;
    transform: translateX(0);
}

.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    color: #fff;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-arrow:hover {
    background: rgba(255, 255, 255, 0.5);
}

.banner-prev {
    left: 30px;
}

.banner-next {
    right: 30px;
}

.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.banner-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.banner-dots .dot.active {
    background: #fff;
    width: 30px;
    border-radius: 6px;
}

/* ========== 区块样式 ========== */
.section {
    padding: 40px 0;
}

.section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
    text-align: center;
}

/* 带英文装饰的标题 */
.section-header-decorated {
    position: relative;
    padding: 20px 0 30px;
    overflow: hidden;
}

.section-header-decorated::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-header-decorated .section-title {
    position: relative;
    z-index: 1;
}

/* 英文空心字装饰 */
.section-title-en {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: 40px;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(180, 180, 180, 0.4);
    text-stroke: 1px rgba(180, 180, 180, 0.4);
    letter-spacing: 8px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
    font-family: 'Arial Black', Arial, sans-serif;
    text-transform: uppercase;
}

/* 使用伪元素显示data-en内容 */
.section-title-en::before {
    content: attr(data-en);
}

/* 分类标签 */
.section-categories {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.category-tag {
    display: inline-block;
    padding: 6px 16px;
    font-size: 13px;
    color: #666;
    background: #f5f5f5;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.category-tag:hover {
    color: var(--primary-color);
    background: rgba(255, 107, 0, 0.1);
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

.section-more {
    margin-top: 10px;
}

.section-more .more-link {
    font-size: 14px;
    color: var(--primary-color);
}

/* 关于我们标题样式 */
.about-section-header {
    margin-bottom: 40px;
}

.about-section-header .section-title {
    font-size: 24px;
}

/* ========== 企业介绍 ========== */
.about-section {
    background: #fff;
}

.about-content {
    display: flex;
    gap: 30px;
    align-items: center;
}

.about-media {
    flex: 1;
}

.about-media .image-wrapper,
.about-media .video-wrapper,
.about-media .canvas-video-wrapper {
    border-radius: 8px;
    overflow: hidden;
}

/* ========== Canvas视频播放器 ========== */
/* 解决百度App/UC/QQ浏览器劫持video标签浮窗播放问题 */
.canvas-video-wrapper {
    position: relative;
    width: 100%;
    background: #000;
    overflow: hidden;
    cursor: pointer;
}
.canvas-video-wrapper canvas {
    width: 100%;
    display: block;
    aspect-ratio: 600 / 400;
}
.canvas-video-wrapper .canvas-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    transition: opacity 0.3s ease;
    z-index: 2;
}
.canvas-video-wrapper.playing .canvas-video-overlay {
    opacity: 0;
    pointer-events: none;
}
.canvas-video-wrapper .canvas-play-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, background 0.2s;
    cursor: pointer;
    border: none;
    outline: none;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.canvas-video-wrapper .canvas-play-btn:hover {
    transform: scale(1.1);
    background: #fff;
}
.canvas-video-wrapper .canvas-play-btn svg {
    width: 28px;
    height: 28px;
    fill: #333;
    margin-left: 3px;
}
.canvas-video-wrapper.playing .canvas-play-btn {
    display: none;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.about-description {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* ========== 企业介绍现代化样式 ========== */
.about-section-modern {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
}

.about-modern-wrapper {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

.about-modern-media {
    flex: 0 0 auto;
    width: 600px;
    min-width: 0;
}

.about-media-wrapper {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.about-media-wrapper img,
.about-media-wrapper video,
.about-media-wrapper canvas {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.about-modern-content {
    flex: 1;
    min-width: 0;
    padding-top: 0;
}

.about-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary-color);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    border-radius: 30px;
    margin-bottom: 20px;
}

.about-modern-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 25px;
    line-height: 1.3;
}

.about-modern-desc {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 35px;
}

.about-modern-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 35px;
}

.about-feature-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.about-feature-icon {
    width: 50px;
    height: 50px;
    background: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.about-feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.about-feature-text {
    flex: 1;
}

.about-feature-text strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 5px;
}

.about-feature-text span {
    font-size: 14px;
    color: var(--text-muted);
}

.about-modern-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: #6c757d;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.about-modern-btn:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.3);
    text-decoration: none;
}

.about-modern-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.about-modern-btn:hover svg {
    transform: translateX(5px);
}

/* 媒体容器 */
.about-media-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.about-media-wrapper img,
.about-media-wrapper video,
.about-media-wrapper canvas {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
}

.about-media-video .about-media-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s;
    cursor: pointer;
}

/* 播放时隐藏overlay */
.about-media-video.playing .about-media-overlay {
    opacity: 0;
    pointer-events: none;
}

.about-media-overlay .play-btn {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.about-media-overlay .play-btn svg {
    width: 30px;
    height: 30px;
    color: #fff;
    margin-left: 5px;
}

.about-media-overlay .play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

/* 装饰元素 */
.about-media-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.decoration-circle {
    /* 隐藏装饰圆形 */
    display: none;
}

.decoration-dots {
    position: absolute;
    bottom: 40px;
    right: 40px;
    width: 80px;
    height: 80px;
    background-image: radial-gradient(var(--primary-color) 2px, transparent 2px);
    background-size: 10px 10px;
    opacity: 0.2;
}

/* ========== 推荐资讯网格 ========== */
.teaching-section {
    background: var(--bg-color);
}

.teaching-layout {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.teaching-featured {
    flex: 0 0 30%;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.teaching-featured:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.teaching-featured-thumb img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.teaching-featured-info {
    padding: 20px;
}

.teaching-featured-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.teaching-featured-date {
    font-size: 13px;
    color: #999;
}

.teaching-list {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.teaching-list-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
}

.teaching-list-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.teaching-list-item a {
    display: flex;
    gap: 15px;
    padding: 15px;
}

.teaching-list-thumb {
    flex-shrink: 0;
    width: 120px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
}

.teaching-list-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.teaching-list-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.teaching-list-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.teaching-list-date {
    font-size: 12px;
    color: #999;
}

/* 旧样式保留用于其他页面 */
.teaching-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.teaching-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s;
}

.teaching-item:hover {
    transform: translateY(-5px);
}

.teaching-thumb img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.teaching-title {
    padding: 15px;
    font-size: 15px;
    color: var(--text-color);
}

/* ========== 三列信息 ========== */
.info-section {
    background: #fff;
}

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

.info-column {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
}

.info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.info-title {
    font-size: 16px;
    font-weight: 600;
}

.info-list li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-color);
}

.info-list li:last-child {
    border-bottom: none;
}

.info-list a {
    display: flex;
    justify-content: space-between;
    color: var(--text-color);
    font-size: 14px;
}

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

.info-item-date {
    color: var(--text-muted);
    font-size: 12px;
}

.empty-item {
    color: var(--text-muted);
    text-align: center;
    padding: 20px;
}

/* ========== 企业相册 ========== */
.gallery-section {
    background: var(--bg-color);
}

.gallery-scroll-wrapper {
    position: relative;
}

.gallery-scroll {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 10px 0;
}

.gallery-scroll::-webkit-scrollbar {
    display: none;
}

.gallery-scroll-item {
    flex: 0 0 280px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.gallery-scroll-thumb img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.gallery-scroll-title {
    padding: 15px;
    font-size: 15px;
    text-align: center;
}

.gallery-scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
}

.gallery-scroll-btn.prev {
    left: 0;
}

.gallery-scroll-btn.next {
    right: 0;
}

.gallery-scroll-btn svg {
    width: 20px;
    height: 20px;
}

/* ========== 列表页 ========== */
.list-page {
    padding: 20px 0;
}

.list-layout {
    display: flex;
    gap: 30px;
}

.list-main {
    flex: 1;
}

.list-sidebar {
    width: 300px;
}

.list-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.list-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.list-item-link {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.list-item-thumb {
    flex: 0 0 200px;
    overflow: hidden;
}

.list-item-thumb img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.list-item-content {
    flex: 1;
    padding: 15px;
    min-width: 0;
    overflow: hidden;
}

.list-item-excerpt {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.list-item-title {
    font-size: 18px;
    margin-bottom: 10px;
}

.list-item-excerpt {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 10px;
}

.list-item-meta {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: var(--text-muted);
}

.pagination-wrapper {
    margin-top: 30px;
}

/* ========== 详情页 ========== */
.detail-page {
    padding: 20px 0;
}

.detail-layout {
    display: flex;
    gap: 30px;
}

.detail-main {
    flex: 1;
}

.detail-sidebar {
    width: 300px;
}

.article {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
}

.article-header {
    margin-bottom: 20px;
}

.article-title {
    display: inline-block;        /* 宽度由内容决定 */
    text-align: left;             /* 文本左对齐 */
    font-size: 28px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: var(--text-muted);
}

.article-thumb {
    text-align: center;
    margin-bottom: 20px;
}

.article-thumb img {
    display: inline-block;
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.article-content {
    font-size: 16px;
    line-height: 1.8;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.article-tags {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.article-tags .tag {
    display: inline-block;
    padding: 5px 10px;
    background: var(--bg-color);
    border-radius: 4px;
    font-size: 13px;
    margin-right: 10px;
}


.article-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.article-nav .nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 6px;
    transition: all 0.2s ease;
    text-decoration: none;
}

.article-nav .nav-item:hover {
    background: #e9ecef;
    transform: translateX(4px);
}

.article-nav .nav-item.nav-empty {
    background: transparent;
    border: 1px dashed #dee2e6;
}

.article-nav .nav-item.nav-empty:hover {
    background: transparent;
    transform: none;
}

.article-nav .nav-label {
    color: var(--text-muted);
    font-size: 14px;
    margin-right: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}

.article-nav .nav-title {
    color: var(--text-color);
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

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

/* 移动端适配 */
@media (max-width: 768px) {
    .article-nav {
        gap: 10px;
    }
    
    .article-nav .nav-item {
        padding: 10px 12px;
    }
    
    .article-nav .nav-label {
        font-size: 13px;
        margin-right: 8px;
    }
    
    .article-nav .nav-title {
        font-size: 13px;
    }
}


/* ========== 产品详情 ========== */
.products-text-layout {
    display: flex;
    gap: 30px;
}

.products-text-layout .sidebar {
    width: 250px;
    flex-shrink: 0;
}

.products-main {
    flex: 1;
    min-width: 0;
}

.product-detail {
    display: flex;
    gap: 30px;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.product-images {
    flex: 1;
    min-width: 0;
}

.product-main-image img {
    width: 100%;
    border-radius: 8px;
}

.thumbnail-wrapper {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    align-items: center;
}

.thumbnail-wrapper:not(.has-nav) {
    justify-content: center;
}

.thumbnail-wrapper:not(.has-nav) .thumbnail-btn {
    display: none;
}

.thumbnail-btn {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    width: 30px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    color: var(--text-color);
    transition: all 0.3s ease;
    border-radius: 4px;
}

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

.product-thumbnails {
    display: flex;
    gap: 10px;
    flex: 1;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

.product-thumbnails::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Opera */
}

.thumbnail-wrapper:not(.has-nav) .product-thumbnails {
    overflow-x: visible;
    flex-wrap: wrap;
    justify-content: center;
}

.thumbnail-item {
    flex: 0 0 60px;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.thumbnail-item:hover {
    border-color: var(--primary-color);
    opacity: 0.8;
}

.thumbnail-item.active {
    border-color: var(--primary-color);
}

.thumbnail-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    display: block;
}

.product-info {
    flex: 1;
    min-width: 0;
}

.product-title {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.product-price {
    margin-bottom: 15px;
}

.price-label {
    color: var(--text-muted);
}

.price-value {
    font-size: 24px;
    color: #e74c3c;
    font-weight: 600;
}

.product-summary {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.product-actions {
    margin-top: 20px;
}

.btn-inquiry {
    background: var(--primary-color);
    color: #fff;
    padding: 12px 30px;
    border: none;
    border-radius:25px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn-inquiry:hover {
    background: var(--primary-color-hover, #e55a2b);
    transform: translateY(-2px);
}

/* ========== 产品选项卡 ========== */
.product-tabs {
    margin-top: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: 15px 30px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: var(--text-muted);
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
    font-weight: 600;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.tab-content {
    padding: 20px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.content-body {
    font-size: 16px;
    line-height: 1.8;
}

/* ========== 产品网格 ========== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    padding-top: 15px;
}

.product-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.product-item a {
    display: block;
    text-decoration: none;
}

.product-item .product-img {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
}

.product-item .product-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-item h3 {
    padding: 15px;
    margin: 0;
    font-size: 15px;
    color: var(--text-color);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-item .price {
    padding: 0 15px 15px;
    text-align: center;
    color: #e74c3c;
    font-size: 16px;
    font-weight: 600;
}

/* 产品列表页样式 */
.product-item .product-thumb {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
}

.product-item .product-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* 产品推荐标识 */
.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #ff6b00, #ff8c00);
    border-radius: 3px;
    box-shadow: 0 2px 6px rgba(255, 107, 0, 0.3);
    z-index: 10;
    letter-spacing: 0.5px;
}

.product-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    border-radius: 3px;
}

/* ========== 询价弹窗 ========== */
.inquiry-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.inquiry-modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.inquiry-modal-content {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.inquiry-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.inquiry-modal-header h3 {
    margin: 0;
    font-size: 20px;
    color: var(--text-color);
}

.inquiry-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.inquiry-modal-close:hover {
    color: var(--text-color);
}

.inquiry-form .form-group {
    margin-bottom: 15px;
}

.inquiry-form label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: var(--text-color);
}

.inquiry-form .form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

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

.inquiry-form .btn-submit {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
}

.inquiry-form .btn-submit:hover {
    background: var(--primary-color-hover, #e55a2b);
}

/* ========== 相关产品 ========== */
.related-products {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.related-title {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.related-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.related-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.related-link {
    display: block;
    text-decoration: none;
}

.related-thumb {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
}

.related-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.related-info {
    padding: 12px;
}

.related-item-title {
    font-size: 14px;
    color: var(--text-color);
    margin: 0 0 8px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
    text-align: center;
}

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

.related-excerpt {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .related-products {
        margin-top: 30px;
        padding-top: 20px;
    }
    
    .related-title {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .related-info {
        padding: 10px;
    }
    
    .related-item-title {
        font-size: 13px;
    }
    
    .related-excerpt {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    /* 保持两列显示，确保至少两个一行 */
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

/* ========== 案例网格 ========== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.case-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    padding-top: 15px;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.case-item a {
    display: block;
    text-decoration: none;
}

.case-item .case-img {
    position: relative;
    padding-top: 66.67%; /* 3:2比例 */
    overflow: hidden;
}

.case-item .case-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.case-item h3 {
    padding: 15px;
    margin: 0;
    font-size: 16px;
    color: var(--text-color);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ========== 相册网格 ========== */
.gallery-list-page,
.gallery-category-page,
.gallery-detail-page {
    padding: var(--spacing-lg) 0;
}

.gallery-list-page .page-header,
.gallery-category-page .page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.gallery-list-page .page-header h1,
.gallery-category-page .page-header h1 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.gallery-list-page .page-header .subtitle,
.gallery-category-page .page-header .subtitle {
    color: var(--text-muted);
}

.gallery-grid,
.gallery-categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item,
.gallery-category-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover,
.gallery-category-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img,
.gallery-category-item:hover .category-cover img {
    transform: scale(1.05);
}

.gallery-item .overlay,
.gallery-category-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gallery-item h3,
.gallery-category-item h3 {
    font-size: 1rem;
    margin: 0;
    color: #fff;
    flex: 1;
}

.gallery-item .image-count,
.gallery-category-item .count {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.8);
    flex-shrink: 0;
    margin-left: var(--spacing-sm);
}

.gallery-category-item .category-subtitle {
    padding: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
    background: #fff;
    display: block;
    line-height: 1.4;
}

/* 相册分类封面容器 */
.gallery-category-item .category-cover {
    position: relative;
    overflow: hidden;
}

.gallery-category-item .category-cover img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* 相册详情页 */
.gallery-detail-page h1 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.gallery-detail-page .summary {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.gallery-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.gallery-image-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    cursor: pointer;
}

.gallery-image-item:hover {
    /* 移除悬停时的阴影变化，保持板块稳定 */
}

.gallery-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.gallery-image-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: top left;
    display: block;
    /* 移除图片缩放效果 */
}

/* 悬停效果 - 只显示遮罩层，不移动任何元素 */
.gallery-image-item:hover img {
    /* 无缩放 */
}

/* 鼠标悬停遮罩层 - 更柔和的渐变 */
.gallery-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gallery-image-item:hover .gallery-image-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: #fff;
    transform: translateY(8px);
    transition: transform 0.4s ease;
}

.gallery-image-item:hover .overlay-content {
    transform: translateY(0);
}

.overlay-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: background 0.4s ease, border-color 0.4s ease;
}

.gallery-image-item:hover .overlay-icon {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.overlay-icon svg {
    width: 32px;
    height: 32px;
    stroke: #fff;
}

.gallery-image-item .image-title {
    padding: var(--spacing-sm);
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-muted);
    background: #fff;
    text-align: center;
}

/* ========== 下载列表 ========== */
.download-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.download-item {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.download-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.download-item-info {
    flex: 1;
    min-width: 0;
}

.download-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.download-item-meta {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    gap: 15px;
}

.download-item-btn {
    flex-shrink: 0;
    margin-left: 20px;
}

/* ========== 规格参数表格 ========== */
.specs-table {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.specs-row {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.specs-row:last-child {
    border-bottom: none;
}

.specs-key {
    width: 150px;
    padding: 12px 15px;
    background: var(--bg-color);
    font-weight: 500;
    color: var(--text-color);
    flex-shrink: 0;
}

.specs-val {
    flex: 1;
    padding: 12px 15px;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .specs-row {
        flex-direction: column;
    }

    .specs-key {
        width: 100%;
    }
}

/* ========== 单页 ========== */
.page-banner {
    position: relative;
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), var(--banner-bg-url, #333) center/cover;
}

.page-banner h1 {
    font-size: 28px;
}

.page-subtitle {
    font-size: 14px;
    margin-top: 0;
    color: #cecece;
}

.page-content {
    padding: 30px 0;
}

/* 营销单页内容样式 - 无背景无边框 */
.landing-page-content {
    padding: 40px 0;
    background: transparent;
    font-size: 16px;
    line-height: 1.8;
}

.landing-page-content .container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 15px;
}

/* 营销单页内部元素样式 */
.landing-page-content p {
    margin: 0 0 1em 0;
}

.landing-page-content h1,
.landing-page-content h2,
.landing-page-content h3,
.landing-page-content h4,
.landing-page-content h5,
.landing-page-content h6 {
    margin: 1.5em 0 0.8em 0;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-color);
}

.landing-page-content h1 {
    font-size: 1.75rem;
}

.landing-page-content h2 {
    font-size: 1.5rem;
}

.landing-page-content h3 {
    font-size: 1.25rem;
}

.landing-page-content h4 {
    font-size: 1.125rem;
}

.landing-page-content h5 {
    font-size: 1rem;
}

.landing-page-content h6 {
    font-size: 0.875rem;
}

.landing-page-content ul,
.landing-page-content ol {
    margin: 1em 0;
    padding-left: 2em;
}

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

.landing-page-content ol {
    list-style-type: decimal;
}

.landing-page-content li {
    margin: 0.5em 0;
    line-height: 1.8;
}

.landing-page-content blockquote {
    margin: 1em 0;
    padding: 1em 1.5em;
    border-left: 4px solid var(--primary-color);
    background: #f8f9fa;
    color: #555;
    font-style: italic;
}

.landing-page-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 1em 0;
}

.landing-page-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
}

.landing-page-content table th,
.landing-page-content table td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
}

.landing-page-content table th {
    background: #f8f9fa;
    font-weight: 600;
}

.landing-page-content hr {
    margin: 2em 0;
    border: none;
    border-top: 1px solid var(--border-color);
}

.page-layout {
    display: flex;
    gap: 30px;
}

.page-main {
    flex: 1;
    min-width: 0; /* 防止flex子项溢出 */
}

.page-sidebar {
    width: 300px;
    flex-shrink: 0;
}

/* ========== 内页通用样式 ========== */
.page-header {
    margin-top: 40px;
    margin-bottom: 20px;
    text-align: center;
}

.page-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

.page-description {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* 分类导航标签 */
.category-nav {
    margin-top: 30px;
    margin-bottom: 40px;
}

.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.category-tag {
    display: inline-block;
    padding: 8px 20px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-color);
    font-size: 14px;
    transition: all 0.3s ease;
}

.category-tag:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
}

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-size: 16px;
}

/* ========== 列表页样式 ========== */
.list-page {
    padding: 20px 0;
}

.list-layout {
    display: flex;
    gap: 30px;
}

.list-main {
    flex: 1;
    min-width: 0;
}

.list-sidebar {
    width: 300px;
    flex-shrink: 0;
}

.list-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.list-item-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.list-item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* 卡片布局的缩略图 - 1:1比例 */
.list-item-card .list-item-thumb {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
}

.list-item-card .list-item-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.list-item-info {
    padding: 15px;
}

.list-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.list-item-title a {
    color: inherit;
}

.list-item-title a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.list-item-excerpt {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.list-item-meta {
    display: flex;
    gap: 15px;
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-muted);
}

/* 列表项（横向布局） */
.list-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.list-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.list-item-link {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.list-item-thumb {
    flex: 0 0 280px;
    position: relative;
    overflow: hidden;
}

.list-item-thumb img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.list-item-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-width: 0;
    overflow: hidden;
}

.list-item-excerpt {
    margin: 10px 0;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.meta-date,
.meta-views {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* ========== 详情页样式 ========== */
.detail-page {
    padding: 20px 0;
}

.article {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.article-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.article-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 15px;
    line-height: 1.4;
    text-align: center;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--text-muted);
    justify-content: center;
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 15px 0;
}

.article-content p {
    margin-bottom: 15px;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    gap: 20px;
}

.article-nav-item {
    flex: 1;
    max-width: 45%;
}

.article-nav-item a {
    display: block;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 4px;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.article-nav-item a:hover {
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
}

.article-nav-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.article-nav-title {
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ========== 分页样式 ========== */
.pagination-wrapper {
    margin-top: 30px;
    text-align: center;
}

.pagination {
    display: inline-flex;
    gap: 5px;
    padding: 10px;
    background: #fff;
    border-radius: 8px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 14px;
    transition: all 0.3s ease;
}

.pagination a:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
}

.pagination .current {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

/* ========== 侧边栏 ========== */
.sidebar-widget {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.widget-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.category-list li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-color);
}

.category-list li:last-child {
    border-bottom: none;
}

.category-list a {
    display: flex;
    justify-content: space-between;
    color: var(--text-color);
    font-size: 14px;
}

.category-list .count {
    color: var(--text-muted);
    font-size: 12px;
}

.category-list li.active a {
    color: var(--primary-color);
    font-weight: 600;
}

/* 栏目文章列表 */
.category-article-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.category-article-item {
    padding: 6px 0;
    border-bottom: 1px dashed var(--border-color);
}

.category-article-item:last-child {
    border-bottom: none;
}

.category-article-item a {
    display: block;
    color: var(--text-color);
    font-size: 14px;
    line-height: 1.5;
    transition: color 0.2s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.hot-list li {
    display: flex;
    gap: 10px;
    padding: 8px 0;
}

.hot-list li a {
    color: var(--text-color);
    font-size: 14px;
    line-height: 1.5;
    transition: color 0.2s ease;
}

.hot-list li a:hover {
    color: var(--primary-color);
}

.hot-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    background: var(--bg-color);
    border-radius: 4px;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

.hot-rank.top {
    background: var(--primary-color);
    color: #fff;
}

.recommend-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.recommend-item a {
    display: flex;
    gap: 15px;
}

.recommend-thumb img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
}

.recommend-info {
    flex: 1;
}

.recommend-title {
    font-size: 14px;
    margin-bottom: 5px;
}

.recommend-date {
    font-size: 12px;
    color: var(--text-muted);
}

.contact-info p {
    margin-bottom: 10px;
    font-size: 14px;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 4px;
    text-align: center;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--primary-color-hover, #e55a2b);
    text-decoration: none;
}

/* ========== 表格响应式 ========== */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 15px 0;
    border-radius: 4px;
}

.table-wrapper.has-overflow {
    border: 1px solid var(--border-color);
}

/* 桌面端：自适应表格布局，文字多的列自动更宽，文字少的列自动更窄 */
@media (min-width: 769px) {
    .table-wrapper table {
        width: 100% !important;
        max-width: 100% !important;
        border-collapse: collapse;
        margin: 0;
        table-layout: auto;
    }
    
    /* 单元格允许换行，同时保留自适应宽度 */
    .table-wrapper th,
    .table-wrapper td {
        padding: 10px;
        border: 1px solid var(--border-color);
        white-space: normal;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    /* 强制覆盖表格固定宽度属性 */
    .article-content table,
    .content-body table,
    .landing-page-content table,
    .page-content table,
    .specs-content table {
        max-width: 100% !important;
    }
    
    /* 强制覆盖单元格固定宽度属性 */
    .article-content table td,
    .article-content table th,
    .content-body table td,
    .content-body table th,
    .landing-page-content table td,
    .landing-page-content table th,
    .page-content table td,
    .page-content table th,
    .specs-content table td,
    .specs-content table th {
        width: auto !important;
    }
}

/* 移动端表格优化：允许横向滚动 */
@media (max-width: 768px) {
    .table-wrapper {
        margin: 10px 0;
        border: 1px solid var(--border-color);
    }
    
    .table-wrapper table {
        width: auto !important;
        min-width: 600px !important;
        border-collapse: collapse;
        margin: 0;
        table-layout: auto;
    }
    
    .table-wrapper th,
    .table-wrapper td {
        padding: 10px;
        border: 1px solid var(--border-color);
        white-space: nowrap;
    }
    
    /* 强制覆盖表格固定宽度属性 */
    .article-content table,
    .content-body table,
    .landing-page-content table,
    .page-content table,
    .specs-content table {
        width: auto !important;
        min-width: 600px !important;
    }
    
    /* 强制覆盖单元格固定宽度属性 */
    .article-content table td,
    .article-content table th,
    .content-body table td,
    .content-body table th,
    .landing-page-content table td,
    .landing-page-content table th,
    .page-content table td,
    .page-content table th,
    .specs-content table td,
    .specs-content table th {
        width: auto !important;
    }
}

/* ========== 首页产品区块样式 ========== */
.home-products-section {
    padding: 50px 0;
    background: #fff;
}

.home-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.home-product-item {
    transition: transform 0.3s ease;
}

.home-product-item:hover {
    transform: translateY(-5px);
}

.home-product-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.home-product-thumb {
    position: relative;
    overflow: hidden;
    margin-bottom: 15px;
}

.home-product-thumb img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
    border-radius: 0;
    background: transparent;
    border: none;
}

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

.home-product-info {
    padding: 0;
    text-align: center;
}

.home-product-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
}

.home-product-excerpt {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 首页新闻区块样式 ========== */
.home-news-section {
    padding: 50px 0;
    background: var(--bg-color);
}

/* 新闻左右分栏布局 */
.home-news-layout {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.home-news-featured {
    flex: 0 0 30%;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.home-news-featured:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.home-news-featured-thumb img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.home-news-featured-info {
    padding: 20px;
}

.home-news-featured-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.home-news-featured-excerpt {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.home-news-featured-date {
    font-size: 13px;
    color: #999;
}

.home-news-list {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.home-news-list-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
}

.home-news-list-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.home-news-list-item a {
    display: block;
    padding: 18px 20px;
}

.home-news-list-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.home-news-list-date {
    font-size: 12px;
    color: #999;
}

/* 旧样式保留用于其他页面 */
.home-news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.home-news-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.home-news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.home-news-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* 特色新闻项（第一项） */
.home-news-item.featured {
    grid-column: 1;
    grid-row: 1 / span 3;
}

.home-news-item.featured .home-news-thumb {
    position: relative;
    overflow: hidden;
}

.home-news-item.featured .home-news-thumb img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.home-news-item.featured:hover .home-news-thumb img {
    transform: scale(1.05);
}

.home-news-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    display: flex;
    align-items: center;
}

.home-news-overlay .home-news-date {
    color: #fff;
    font-size: 14px;
    background: var(--primary-color);
    padding: 4px 12px;
    border-radius: 4px;
}

.home-news-item.featured .home-news-content {
    padding: 25px;
}

.home-news-item.featured .home-news-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 15px;
    line-height: 1.4;
}

.home-news-item.featured .home-news-excerpt {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 普通新闻项 */
.home-news-item:not(.featured) {
    grid-column: 2;
}

.home-news-item:not(.featured) .home-news-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.home-news-item:not(.featured) .home-news-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.home-news-item:not(.featured) .home-news-excerpt {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 10px;
}

.home-news-date-inline {
    font-size: 13px;
    color: #999;
    flex-shrink: 0;
}

/* ========== 响应式补充 ========== */
@media (max-width: 992px) {
    /* 企业介绍响应式 */
    .about-section-modern {
        padding: 60px 0;
    }

    .about-modern-wrapper {
        flex-direction: column;
        gap: 40px;
    }

    .about-modern-media {
        width: 100%;
        max-width: 100%;
    }

    .about-media-wrapper img,
    .about-media-wrapper video,
    .about-media-wrapper canvas {
        height: 300px;
    }

    .about-media-decoration {
        display: none;
    }

    /* 导航栏 */
    .nav {
        display: block;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        padding: 0;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav.active {
        max-height: calc(100vh - 80px);
        padding: 20px;
        overflow-y: auto;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        align-items: stretch;
    }

    .nav-item > a {
        padding: 15px 0;
        color: var(--text-color) !important;
        text-shadow: none !important;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    /* 移动端禁用hover下划线动画 */
    .nav-item > a::before {
        display: none !important;
    }

    /* 移动端有子菜单的导航项：覆盖全局下拉图标 */
    .nav-item.has-dropdown > a::after {
        content: '' !important;
        width: 8px !important;
        height: 8px !important;
        border: none !important;
        border-right: 2px solid var(--text-color) !important;
        border-bottom: 2px solid var(--text-color) !important;
        transform: rotate(45deg) !important;
        transition: transform 0.3s ease !important;
        flex-shrink: 0;
        margin-left: 10px;
        display: inline-block !important;
        vertical-align: middle;
    }

    .nav-item.has-dropdown.open > a::after {
        transform: rotate(-135deg) !important;
    }

    /* 二级菜单 - 移动端使用静态定位，在父菜单下方展开 */
    .dropdown-menu {
        position: static !important;
        display: none;
        background: rgba(0, 0, 0, 0.02);
        box-shadow: none !important;
        min-width: auto;
        padding: 0 !important;
        margin: 0 !important;
        border-radius: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
    }

    /* 移动端禁用hover，只使用.open类控制下拉菜单 */
    .nav-item.has-dropdown .dropdown-menu {
        display: none !important;
    }
    
    .nav-item.has-dropdown.open .dropdown-menu {
        display: block !important;
        max-height: 500px;
        padding: 0 !important;
    }

    .dropdown-item a {
        display: block;
        padding: 12px 0 12px 20px;
        color: var(--text-color);
        font-size: 14px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .dropdown-item:last-child a {
        border-bottom: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    /* 轮播图 */
    .banner-content {
        left: 50%;
        transform: translate(-50%, -50%);
        max-width: 90%;
    }

    .banner-content h2 {
        font-size: 25px;
    }

    .banner-subtitle {
        font-size: 14px;
    }

    /* 移动端隐藏箭头 */
    .banner-arrow {
        display: none;
    }

    .teaching-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .teaching-layout {
        flex-direction: column;
    }

    .teaching-featured {
        flex: none;
        width: 100%;
    }

    .teaching-featured-thumb img {
        height: 220px;
    }

    .teaching-list {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        flex-direction: column;
    }

    /* 内页布局 */
    .list-layout,
    .detail-layout,
    .page-layout,
    .products-text-layout {
        flex-direction: column;
    }

    .list-sidebar,
    .detail-sidebar,
    .page-sidebar,
    .products-text-layout .sidebar {
        display: none;
    }

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

    /* 产品信息居中 */
    .product-info {
        text-align: center;
    }

    .product-title {
        text-align: center;
    }

    .product-actions {
        text-align: center;
        margin-top: 15px;
    }

    .btn-inquiry {
        display: inline-block;
    }

    /* 侧边栏移动端直接显示，不需要折叠 */
    .sidebar-widget .widget-title {
        margin-bottom: 15px;
        padding-bottom: 10px;
        border-bottom: 1px solid var(--border-color);
    }

    .sidebar-widget .category-list,
    .sidebar-widget .hot-list,
    .sidebar-widget .contact-info,
    .sidebar-widget .category-article-list,
    .sidebar-widget .recommend-list {
        display: block !important;
    }

    /* 内页Banner */
    .page-banner {
        height: 200px;
    }

    .page-banner h1 {
        font-size: 24px;
    }

    .page-subtitle {
        font-size: 12px;
        color: #c4c4c4;
    }

    /* 文章详情 */
    .article {
        padding: 20px;
    }

    .article-title {
        font-size: 22px;
    }

    .article-content {
        font-size: 15px;
    }


    /* 分类标签 */
    .category-tags {
        gap: 8px;
    }

    .category-tag {
        padding: 6px 15px;
        font-size: 13px;
    }

    /* 分页 */
    .pagination a,
    .pagination span {
        min-width: 32px;
        height: 32px;
        font-size: 13px;
    }

    /* 新闻列表图文模式 - 移动端竖向排列 */
    .list-item {
        overflow: hidden;
    }

    .list-item-link {
        flex-direction: column !important;
        gap: 0 !important;
        align-items: stretch !important;
    }

    .list-item-thumb {
        flex: 0 0 auto !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .list-item-thumb img {
        width: 100% !important;
        height: 200px !important;
        object-fit: cover;
    }

    .list-item-content {
        padding: 15px;
        min-width: 0;
        overflow: hidden;
    }

    .list-item-title {
        font-size: 16px;
        margin-bottom: 8px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .list-item-excerpt {
        font-size: 13px;
        line-height: 1.6;
        margin: 8px 0;
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word;
    }

    .list-item-meta {
        font-size: 12px;
        gap: 10px;
    }

    /* 确保容器不溢出 */
    .container {
        padding: 0 15px;
    }

    .list-main {
        width: 100%;
        min-width: 0;
    }

    /* 下载列表响应式 */
    .download-list-item {
        flex-direction: column !important;
        gap: 15px !important;
        overflow: visible !important;    /* 修复：覆盖 .list-item 的 overflow:hidden */
        align-items: stretch !important; /* 修复：覆盖桌面端 flex-start，让子元素撑满宽度 */
    }

    .download-list-item .list-item-link {
        flex-direction: column;
        gap: 15px !important;           /* 修复：覆盖移动端 gap: 0 !important */
        width: 100%;                    /* 确保在父容器中撑满宽度 */
        min-width: 0;                   /* 防止内容撑破容器 */
    }

    .download-list-item .list-item-thumb img {
        width: 100%;
        height: 200px;
    }

    .download-list-item .list-item-download {
        min-width: 100%;
        padding: 15px 0;
        border-left: none;
        border-top: 1px solid var(--border-color);
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .download-list-item .download-btn {
        margin-bottom: 0;
    }

    .download-list-item .download-meta {
        flex-direction: row;
        gap: 15px;
    }

    /* 下载列表移动端 - 防截断 */
    .download-list-item .list-item-content {
        overflow: visible !important;    /* 覆盖移动端 .list-item-content 的 overflow:hidden */
        padding: 0 15px;                /* 与封面图保持对齐 */
        min-width: 0;                   /* 防止长文字撑破容器 */
        width: 100%;                    /* 撑满父容器 */
    }

    .download-list-item .list-item-excerpt {
        display: block !important;           /* 覆盖桌面端 -webkit-box display */
        -webkit-line-clamp: initial !important;
        overflow: visible !important;
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word;
    }

    .download-list-item .list-item-title {
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word;
    }

    /* 首页产品响应式 */
    .home-products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .home-product-thumb img {
        height: auto;
    }

    /* 首页新闻响应式 */
    .home-news-section {
        padding: 40px 0;
    }

    .home-news-layout {
        flex-direction: column;
    }

    .home-news-featured {
        flex: none;
        width: 100%;
    }

    .home-news-featured-thumb img {
        height: 220px;
    }

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

    .home-news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .home-news-item.featured {
        grid-column: 1;
        grid-row: auto;
    }

    .home-news-item.featured .home-news-thumb img {
        height: 280px;
    }

    .home-news-item:not(.featured) {
        grid-column: 1;
    }

    /* 文字模式列表响应式 */
    .news-text-layout {
        flex-direction: column;
    }

    .news-text-layout .sidebar {
        width: 100%;
        /* 移动端无需 order，DOM 顺序即视觉顺序：news-main 在前，sidebar 在后 */
    }

    .news-text-layout .news-main {
        width: 100%;
        min-width: 0;
    }

    .news-text-item {
        padding: 15px;
    }

    .news-text-content .news-title {
        font-size: 16px;
    }

    /* download-text-item 在平板上保持桌面布局，只在手机上改为垂直 */
}

@media (max-width: 576px) {
    /* 文字列表手机端响应式 */
    .download-text-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .download-text-right {
        flex-direction: row;
        width: 100%;
        justify-content: space-between;
        align-items: center;
        padding-right: 0;
        padding-top: 10px;
    }
}

@media (max-width: 576px) {
    /* 企业介绍响应式 */
    .about-section-modern {
        padding: 30px 0;
    }

    .about-badge {
        font-size: 12px;
        padding: 6px 16px;
        margin-bottom: 15px;
    }

    .about-modern-title {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .about-modern-desc {
        font-size: 14px;
        margin-bottom: 20px;
    }

    /* 底部留白为客服按钮腾出空间 */
    .footer {
        padding-bottom: 120px;
    }

    /* 主内容区域也需要底部留白 */
    .main {
        padding-bottom: 100px;
    }

    .about-modern-features {
        gap: 12px;
        margin-bottom: 20px;
    }

    .about-feature-item {
        gap: 10px;
    }

    .about-feature-icon {
        width: 40px;
        height: 40px;
    }

    .about-feature-icon svg {
        width: 20px;
        height: 20px;
    }

    .about-feature-text strong {
        font-size: 14px;
    }

    .about-feature-text span {
        font-size: 12px;
    }

    .about-modern-btn {
        padding: 10px 24px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
    }

    .about-media-wrapper {
        border-radius: 8px;
    }

    .about-media-wrapper img,
    .about-media-wrapper video,
    .about-media-wrapper canvas {
        border-radius: 8px;
    }

    /* 头部 */
    .header-main {
        padding: 15px 0;
    }

    .logo img {
        height: 35px;
    }

    .logo-text {
        font-size: 20px;
    }

    .header-tools {
        gap: 10px;
    }

    .search-toggle,
    .lang-btn {
        width: 35px;
        height: 35px;
    }

    /* 轮播图 */
    .banner-content {
        left: 50%;
        transform: translate(-50%, -50%);
        max-width: 90%;
    }

    .banner-content h2 {
        font-size: 24px;
    }

    .banner-subtitle {
        font-size: 14px;
    }

    .banner-arrow {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .banner-prev {
        left: 10px;
    }

    .banner-next {
        right: 10px;
    }

    /* 搜索框 */
    .search-modal-content {
        padding: 0 15px;
    }

    .search-modal-input {
        padding: 15px 20px;
        font-size: 16px;
    }

    .teaching-grid {
        grid-template-columns: 1fr;
    }

    .teaching-layout {
        flex-direction: column;
        gap: 20px;
    }

    .teaching-featured {
        width: 100%;
    }

    .teaching-featured-thumb img {
        height: 180px;
    }

    .teaching-featured-info {
        padding: 15px;
    }

    .teaching-featured-title {
        font-size: 16px;
    }

    .teaching-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .teaching-list-item a {
        padding: 12px;
        gap: 12px;
    }

    .teaching-list-thumb {
        width: 100px;
        height: 70px;
    }

    .teaching-list-title {
        font-size: 14px;
    }

    .section {
        padding: 30px 0;
    }

    .section-title {
        font-size: 20px;
    }

    /* 内页样式优化 */
    .page-banner {
        height: 300px;
    }

    .page-banner h1 {
        font-size: 20px;
    }

    .breadcrumb {
        font-size: 13px;
    }

    .page-title {
        font-size: 22px;
    }

    .article {
        padding: 15px;
    }

    .article-title {
        font-size: 20px;
    }

    .article-content {
        font-size: 14px;
    }

    .article-meta {
        flex-direction: row;
        gap: 15px;
        align-items: center;
        justify-content: center;
    }

    /* 列表网格 */
    .list-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    /* 分页 */
    .pagination {
        flex-wrap: wrap;
        gap: 3px;
    }

    .pagination a,
    .pagination span {
        min-width: 28px;
        height: 28px;
        font-size: 12px;
    }
}

/* ========== 工具类（替代内联样式） ========== */
/* 公安备案图标 */
.gongan-icon {
    vertical-align: middle;
    margin-right: 3px;
    height: 14px;
}

/* 地图容器 */
.map-container {
    width: 100%;
    height: 400px;
}

/* 规格值全宽 */
.specs-val-full {
    width: 100%;
}

/* 鼠标指针 */
.cursor-pointer {
    cursor: pointer;
}

/* ========== 下载详情样式 ========== */
.download-summary {
    background: #f8f9fa;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #333;
}

.download-summary p {
    margin: 0;
    color: #555;
    line-height: 1.8;
}

.download-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f5f5f5;
    padding: 20px 25px;
    border-radius: 10px;
    margin-bottom: 25px;
    border: 1px solid #eee;
}

.download-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.download-info i {
    font-size: 28px;
    color: #333;
}

.download-filename {
    font-size: 15px;
    color: #333;
    font-weight: 500;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: #333;
    color: #fff;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s;
}

.download-btn:hover {
    background: #555;
    transform: translateY(-2px);
    text-decoration: none;
    color: #fff;
}

@media screen and (max-width: 768px) {
    .download-box {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .download-info {
        flex-direction: column;
    }
}

/* ========== 下载列表项样式 ========== */
.download-list-item {
    display: flex !important;
    align-items: flex-start !important;
    gap: 20px;
    overflow: visible !important;    /* 修复：覆盖 .list-item 的 overflow:hidden，防止截断内容 */
}

.download-list-item .list-item-link {
    display: flex;
    flex: 1;
    gap: 20px;
}

.download-list-item .list-item-thumb {
    flex-shrink: 0;
}

.download-list-item .list-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    overflow: visible !important;    /* 修复：下载列表不裁剪内容 */
    min-width: 0;
}

/* 下载列表 - 摘要显示更多行（图文模式） */
.download-list-item .list-item-excerpt {
    display: block !important;          /* 覆盖全局 line-clamp */
    -webkit-line-clamp: initial !important;
    overflow: visible !important;       /* 不裁剪文字 */
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
}

.download-list-item .list-item-download {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    padding: 0 15px;
    border-left: 1px solid #eee;
}

.download-list-item .download-btn {
    display: inline-block;
    padding: 10px 30px;
    background: linear-gradient(135deg, #ff6b35, #e55a2b);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s;
    margin-bottom: 10px;
}

.download-list-item .download-btn:hover {
    background: linear-gradient(135deg, #e55a2b, #cc4a1f);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.download-list-item .download-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: #999;
}

.download-list-item .download-meta .meta-date {
    color: #888;
}

.download-list-item .download-meta .meta-views {
    color: #aaa;
}

/* ========== 文字模式列表样式 ========== */
.news-text-page {
    padding: 30px 0;
}

.news-text-layout {
    display: flex;
    gap: 30px;
}

.news-text-layout .sidebar {
    width: 280px;
    flex-shrink: 0;
}

/* 桌面端：侧边栏视觉在左侧（DOM在后，用order拉到前面） */
@media (min-width: 769px) {
    .news-text-layout .sidebar {
        order: -1;
    }
}

.news-main {
    flex: 1;
    min-width: 0;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* 文字列表项 */
.news-text-item {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.news-text-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.news-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.news-text-content {
    width: 100%;
}

.news-text-content .news-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
    line-height: 1.5;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.news-text-content .news-excerpt {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-text-content .news-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 13px;
    color: #999;
}

/* 标签样式 */
.tag {
    display: inline-block;
    padding: 2px 8px;
    font-size: 12px;
    border-radius: 3px;
    font-weight: normal;
}

.tag-top {
    background: #ff6b6b;
    color: #fff;
}

.tag-recommend {
    background: #4ecdc4;
    color: #fff;
}

/* 推荐新闻/下载 */
.recommend-news {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.recommend-news-item {
    padding-bottom: 15px;
    border-bottom: 1px dashed var(--border-color);
}

.recommend-news-item:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.recommend-news-item a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.recommend-news-item h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 8px;
    line-height: 1.5;
    transition: color 0.3s;
}

.recommend-news-item a:hover h4 {
    color: var(--primary-color);
}

.recommend-news-item .date {
    font-size: 12px;
    color: #999;
}

/* 下载文字列表特定样式 */
.download-text-item {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    position: relative;
}

.download-text-item .news-link {
    flex: 1;
    min-width: 0;
}

.download-text-item .news-text-content {
    width: 100%;
}

.download-text-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    flex-shrink: 0;
    padding-right: 15px;
}

.download-text-right .date {
    font-size: 13px;
    color: #999;
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 16px;
    background: #333;
    color: #fff;
    border-radius: 4px;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.3s;
}

.download-link:hover {
    background: #555;
    text-decoration: none;
    color: #fff;
}

/* ========== 联系页面样式 ========== */
.contact-page-wrapper {
    display: flex;
    gap: 40px;
    margin: 40px 0;
}

.contact-left {
    flex: 1;
    min-width: 0;
}

.contact-right {
    width: 380px;
    flex-shrink: 0;
}

/* 表单盒子 */
.contact-form-box {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.contact-form-box h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--text-color);
}

/* 表单样式 */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group label .required {
    color: #e74c3c;
    margin-left: 3px;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-color);
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

/* 验证码 */
.captcha-group .captcha-input {
    display: flex;
    gap: 10px;
    align-items: center;
}

.captcha-input input {
    flex: 1;
    max-width: 150px;
}

.captcha-input img {
    height: 42px;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.captcha-input img:hover {
    opacity: 0.8;
}

/* 提交按钮 */
.contact-form .btn {
    padding: 14px 30px;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-form .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

/* 信息卡片 */
.contact-info-box {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    margin-bottom: 20px;
}

.contact-info-box:last-child {
    margin-bottom: 0;
}

.contact-info-box h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
}

/* 社交媒体二维码 */
.social-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 20px;
}

.social-media-item {
    text-align: center;
}

.qrcode-wrapper {
    width: 100px;
    height: 100px;
    margin: 0 auto 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    padding: 8px;
    background: #fff;
}

.qrcode-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.social-media-name {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* 联系方式列表 */
.contact-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 24px;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-color);
    border-radius: 8px;
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 5px;
}

.contact-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* 地图容器 */
.contact-map-wrapper {
    margin: 40px 0;
}

.contact-map-wrapper h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

.contact-map {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.contact-map .map-container {
    width: 100%;
    height: 400px;
    background: var(--bg-color);
}

/* ========== 联系页面响应式 ========== */
@media (max-width: 992px) {
    .contact-page-wrapper {
        flex-direction: column;
        gap: 30px;
    }

    .contact-right {
        width: 100%;
    }

    .social-media-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

@media (max-width: 768px) {
    .contact-page-wrapper {
        margin: 30px 0;
    }

    .contact-form-box {
        padding: 20px;
    }

    .contact-form-box h2 {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .form-row {
        flex-direction: column;
        gap: 15px;
    }

    .contact-info-box {
        padding: 20px;
    }

    .contact-info-box h2 {
        font-size: 16px;
        margin-bottom: 15px;
    }

    .captcha-input input {
        max-width: 100%;
        flex: 1;
    }

    .contact-map-wrapper {
        margin: 30px 0;
    }

    .contact-map-wrapper h2 {
        font-size: 20px;
    }

    .contact-map .map-container {
        height: 300px;
    }
}

@media (max-width: 576px) {
    .contact-page-wrapper {
        margin: 20px 0;
        gap: 20px;
    }

    .contact-form-box {
        padding: 15px;
    }

    .contact-form-box h2 {
        font-size: 18px;
    }

    .contact-form {
        gap: 15px;
    }

    .form-group input,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 13px;
    }

    .contact-info-box {
        padding: 15px;
    }

    .social-media-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .qrcode-wrapper {
        width: 80px;
        height: 80px;
        padding: 6px;
    }

    .contact-item {
        gap: 12px;
    }

    .contact-icon {
        width: 35px;
        height: 35px;
        font-size: 20px;
    }

    .contact-item h4 {
        font-size: 13px;
    }

    .contact-item p {
        font-size: 13px;
    }

    .contact-map .map-container {
        height: 250px;
    }

    /* 首页产品响应式 */
    .home-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .home-product-thumb img {
        height: auto;
    }

    .home-product-title {
        font-size: 15px;
    }

    .home-product-excerpt {
        font-size: 13px;
    }

    /* 首页新闻响应式 */
    .home-news-section {
        padding: 30px 0;
    }

    .home-news-layout {
        flex-direction: column;
        gap: 20px;
    }

    .home-news-featured {
        width: 100%;
    }

    .home-news-featured-thumb img {
        height: 180px;
    }

    .home-news-featured-info {
        padding: 15px;
    }

    .home-news-featured-title {
        font-size: 16px;
    }

    .home-news-featured-excerpt {
        font-size: 13px;
    }

    .home-news-list {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .home-news-list-item a {
        padding: 15px;
    }

    .home-news-list-title {
        font-size: 14px;
    }

    .home-news-item.featured .home-news-thumb img {
        height: 200px;
    }

    .home-news-item.featured .home-news-content {
        padding: 15px;
    }

    .home-news-item.featured .home-news-title {
        font-size: 17px;
        margin-bottom: 10px;
    }

    .home-news-item.featured .home-news-excerpt {
        font-size: 14px;
    }

    .home-news-item:not(.featured) .home-news-content {
        padding: 15px;
    }

    .home-news-item:not(.featured) .home-news-title {
        font-size: 15px;
    }
}

/* ========== 相册灯箱 ========== */
.gallery-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    z-index: 9999;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.gallery-lightbox.active {
    display: flex;
}

.gallery-lightbox .lightbox-close {
    position: absolute;
    top: 20px;
    right: 25px;
    color: #fff;
    font-size: 36px;
    cursor: pointer;
    z-index: 10001;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.gallery-lightbox .lightbox-close:hover {
    background: rgba(255,255,255,0.2);
    transform: rotate(90deg);
}

/* 左右箭头 */
.gallery-lightbox .lightbox-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 80px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    font-size: 36px;
    cursor: pointer;
    z-index: 10001;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    opacity: 0;
}

.gallery-lightbox.show-controls .lightbox-arrow {
    opacity: 1;
}

.gallery-lightbox .lightbox-arrow:hover {
    background: rgba(231,76,60,0.8);
}

.gallery-lightbox .lightbox-prev {
    left: 20px;
    border-radius: 0 4px 4px 0;
}

.gallery-lightbox .lightbox-next {
    right: 20px;
    border-radius: 4px 0 0 4px;
}

/* 幻灯片容器 */
.gallery-lightbox .lightbox-slide-container {
    width: 100%;
    max-width: 100vw;
    height: calc(88vh - 120px);
    overflow: hidden;
    position: relative;
}

.gallery-lightbox .lightbox-slide-wrapper {
    display: flex;
    height: 100%;
    transition: transform 0.3s ease-out;
}

.gallery-lightbox .lightbox-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 80px;
}

.gallery-lightbox .lightbox-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: pointer;
    user-select: none;
    -webkit-user-drag: none;
}

/* 图片信息栏 */
.gallery-lightbox .lightbox-info-bar {
    max-width: 100vw;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    flex-shrink: 0;
}

.gallery-lightbox .lightbox-title {
    color: #ffffff;
    font-size: 16px;
    padding: 8px;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-lightbox .lightbox-counter {
    color: #777777;
    font-size: 16px;
    flex-shrink: 0;
    white-space: nowrap;
}

/* 缩略图导航 */
.gallery-lightbox .lightbox-thumbs {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    max-width: 90%;
    overflow-x: auto;
    padding: 10px 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.3) transparent;
}

.gallery-lightbox .lightbox-thumbs::-webkit-scrollbar {
    height: 4px;
}

.gallery-lightbox .lightbox-thumbs::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 2px;
}

.gallery-lightbox .lightbox-thumb {
    flex-shrink: 0;
    width: 60px;
    height: 45px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.gallery-lightbox .lightbox-thumb:hover {
    opacity: 0.8;
}

.gallery-lightbox .lightbox-thumb.active {
    opacity: 1;
    border-color: var(--primary-color);
}

.gallery-lightbox .lightbox-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 响应式 */
@media (max-width: 768px) {
    .gallery-lightbox .lightbox-arrow {
        display: none;
    }
    
    .gallery-lightbox .lightbox-slide {
        padding: 0 10px;
    }
    
    .gallery-lightbox .lightbox-close {
        top: 10px;
        right: 15px;
        font-size: 28px;
        width: 40px;
        height: 40px;
    }
    
    .gallery-lightbox .lightbox-slide-container {
        height: calc(80vh - 120px);
    }
    
    .gallery-lightbox .lightbox-info-bar {
        height: 50px;
        padding: 0 15px;
    }
    
    .gallery-lightbox .lightbox-title {
        font-size: 14px;
    }
    
    .gallery-lightbox .lightbox-counter {
        font-size: 12px;
    }
    
    .gallery-lightbox .lightbox-thumbs {
        bottom: 5px;
    }
    
    .gallery-lightbox .lightbox-thumb {
        width: 50px;
        height: 38px;
    }
}

/* ========== 首页案例横向滚动 ========== */
.cases-scroll-wrapper {
    position: relative;
    padding: 0 40px;
    margin-top: 30px;
}

.cases-scroll {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.cases-scroll::-webkit-scrollbar {
    display: none;
}

.cases-scroll-item {
    flex: 0 0 280px;
    min-width: 280px;
}

.cases-scroll-item a {
    display: block;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.cases-scroll-item:hover a {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.cases-scroll-thumb {
    position: relative;
    overflow: hidden;
    height: 180px;
}

.cases-scroll-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cases-scroll-item:hover .cases-scroll-thumb img {
    transform: scale(1.08);
}

.cases-scroll-title {
    padding: 12px 15px;
    background: #fff;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cases-scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

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

.cases-scroll-btn.prev {
    left: 0;
}

.cases-scroll-btn.next {
    right: 0;
}

.cases-scroll-btn svg {
    width: 20px;
    height: 20px;
}

/* 响应式 */
@media (max-width: 768px) {
    .cases-scroll-wrapper {
        padding: 0 15px;
    }

    .cases-scroll {
        gap: 15px;
    }

    .cases-scroll-item {
        flex: 0 0 220px;
        min-width: 220px;
    }

    .cases-scroll-thumb {
        height: 140px;
    }

    .cases-scroll-btn {
        width: 35px;
        height: 35px;
    }

    .cases-scroll-btn svg {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 576px) {
    .cases-scroll-wrapper {
        padding: 0 10px;
    }

    .cases-scroll {
        gap: 10px;
    }

    .cases-scroll-item {
        flex: 0 0 180px;
        min-width: 180px;
    }

    .cases-scroll-thumb {
        height: 120px;
    }

    .cases-scroll-title {
        padding: 10px 12px;
        font-size: 14px;
    }

    .cases-scroll-btn {
        width: 32px;
        height: 32px;
    }

    .cases-scroll-btn svg {
        width: 16px;
        height: 16px;
    }
}