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

html {
    overflow-x: hidden;
}

:root {
    --primary-color: #1a73e8;
    --primary-color-rgb: 26, 115, 232;
    --secondary-color: #f5f7fa;
    --accent-color: #ff6b00;
    --text-color: #333;
    --light-text: #666;
    --border-color: #ddd;
    --white: #fff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--secondary-color);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

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

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 4px;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #0d5bbc;
    transform: translateY(-2px);
    color: var(--white);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-title p {
    color: var(--light-text);
    /* max-width: 700px; */
    margin: 0 auto;
}

/* 导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    padding: 10px 0;
    background-color: var(--white);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

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

.logo img {
    width: 160px;
    height: 30px;
    margin-right: 10px;
}

.logo span {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links {
    display: flex;
    margin-right: 30px;
}

.nav-links li {
    margin-left: 25px;
    position: relative;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-links a.active::after,
.nav-links a:hover::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

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

.dropdown .fa-chevron-down {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.dropdown:hover .fa-chevron-down {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 200px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 10px;
    border: 1px solid var(--border-color);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
    border-bottom: 1px solid #f0f0f0;
}

.dropdown-menu li:last-child {
    border-bottom: none;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0;
    font-weight: 400;
}

.dropdown-menu a:hover {
    background-color: var(--primary-color);
    color: var(--white);
    padding-left: 25px;
}

.dropdown-menu a::after {
    display: none;
}

/* Products Mega Menu 样式 */
.products-mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 250px; /* 调整宽度只显示分类部分 */
    background-color: var(--white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 10px;
}

.products-dropdown:hover .products-mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Video Mega Menu 样式 */
.video-mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 250px;
    background-color: var(--white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 10px;
}

.video-dropdown:hover .video-mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-container {
    display: block; /* 改为块级显示，只显示分类 */
    min-height: auto;
}

.mega-menu-categories {
    width: 100%;
    background-color: var(--white);
    border-radius: 8px;
    padding: 10px 0;
}

.category-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.category-item:hover,
.category-item.active {
    background-color: var(--white);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.category-item i {
    margin-right: 12px;
    font-size: 16px;
    width: 20px;
}

.category-item span {
    font-weight: 500;
}

.mega-menu-content {
    display: none; /* PC端隐藏内容部分，只显示分类 */
}

.contact-btn {
    margin-left: 20px;
}

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

.language-selector {
    position: relative;
    display: inline-block;
    width: 120px;
    z-index: 10;
}

.language-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    width: 120px;
}

.current-lang {
    display: flex;
    align-items: center;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 0 0 4px 4px;
    box-shadow: var(--shadow);
    z-index: 10;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    min-width: 160px;
    display: flex;
    flex-direction: column;
}

.language-selector:hover .language-dropdown {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.language-option {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    width: 100%;
    text-align: left;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background-color: var(--secondary-color);
}

.language-option.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.flag {
    margin-right: 6px;
    font-size: 16px;
}

.new-search-container {
    position: relative;
    width: 40px;
    margin-right: 10px;
    z-index: 1000;
}

.new-search-toggle {
    padding: 8px 12px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 1001;
}

.new-search-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(26, 115, 232, 0.05);
    transform: translateY(-1px);
}

.new-search-toggle.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(26, 115, 232, 0.1);
}

.new-search-box {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 5px;
    display: flex;
    align-items: center;
    background-color: var(--white);
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    width: 300px;
    height: 45px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.new-search-container.active .new-search-box {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.new-search-box input {
    padding: 12px 15px;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 14px;
    flex-grow: 1;
    background: transparent;
    border-radius: 6px 0 0 6px;
    height: 100%;
    box-sizing: border-box;
}

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

.new-search-box button {
    padding: 0 15px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border-radius: 0 6px 6px 0;
    min-width: 50px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.new-search-box button:hover {
    background-color: #0d5bbc;
}

.new-search-box button i {
    font-size: 14px;
}

/* 移动端隐藏 */
.mobile-nav-search {
    display: none;
}



/* 新闻列表样式优化 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 35px;
    max-width: 100%;
    margin: 0;
}

/* 新闻内容网格布局 */
.news .news-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

/* 确保新闻项目高度一致 */
.news .news-item {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news .news-item .news-text {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news .news-item .read-more {
    margin-top: auto;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .news .news-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .news .news-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.news-item {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #f0f0f0;
    padding: 35px;
    position: relative;
}

.news-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    border-color: #e3f2fd;
}

.news-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1a73e8, #4285f4);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.news-item:hover::before {
    opacity: 1;
}

/* 修复样式冲突 - 重命名为 news-item-content */
.news-item .news-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    position: relative;
}

.news-meta {
    display: flex;
    align-items: center;
    margin-bottom: 18px;
    font-size: 13px;
    color: #8e9aaf;
    font-weight: 500;
}

.news-meta-left {
    display: flex;
    gap: 24px;
    align-items: center;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: #f8f9fa;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.news-meta span:hover {
    background: #e3f2fd;
    color: #1a73e8;
}

.news-meta i {
    color: #1a73e8;
    font-size: 12px;
}

.news-title {
    margin: 0 0 18px 0;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
    color: #2c3e50;
}

.news-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
}

.news-title a:hover {
    color: #1a73e8;
}

.news-description {
    color: #6c757d;
    line-height: 1.7;
    margin-bottom: 24px;
    font-size: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #1a73e8;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 6px;
    background: transparent;
    border: 2px solid transparent;
    align-self: flex-start;
}

.read-more:hover {
    gap: 12px;
    color: #fff;
    background: #1a73e8;
    border-color: #1a73e8;
    transform: translateX(2px);
}

.read-more i {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(3px);
}

/* 移动端响应式优化 */
@media (max-width: 768px) {
    .news-list {
        gap: 25px;
    }
    
    .news-item {
        padding: 25px;
        border-radius: 12px;
    }
    
    .news-title {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .news-description {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .news-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 15px;
    }
    
    .news-meta-left {
        gap: 15px;
        flex-wrap: wrap;
    }
    
    .news-meta span {
        font-size: 12px;
        padding: 4px 10px;
    }
}

@media (max-width: 480px) {
    .news-item {
        padding: 20px;
    }
    
    .news-title {
        font-size: 16px;
    }
    
    .news-meta-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* 视频卡片样式 */
.video-card .video-container {
    position: relative;
    overflow: hidden;
}

.video-card .video-container img {
    transition: transform 0.3s ease;
}

.video-card:hover .video-container img {
    transform: scale(1.05);
}

.video-card .video-container::after {
    content: '\f04b';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    color: white;
    background: rgba(0, 0, 0, 0.7);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.video-card:hover .video-container::after {
    opacity: 1;
}

/* Product Tabs Section */
.product-tabs {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.tabs-container {
    margin-top: 60px;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 15px 30px;
    background-color: var(--white);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    min-width: 120px;
}

.tab-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.tab-btn.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.tab-content {
    position: relative;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

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

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

.product-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card-item {
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all var(--transition);
    cursor: pointer;
}

.product-card-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.product-card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

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

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

.product-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.product-card-item:hover .product-card-overlay {
    opacity: 1;
}

.product-card-item h4 {
    padding: 20px;
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    text-align: center;
    line-height: 1.4;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* Product Tabs Mobile Styles */
    .product-tabs {
        padding: 60px 0;
    }
    
    .tabs-container {
        margin-top: 40px;
    }
    
    .tab-buttons {
        display: flex;
        justify-content: space-between;
        gap: 5px;
        margin-bottom: 30px;
        padding: 0 20px;
        flex-wrap: nowrap;
        overflow-x: auto;
    }
    
    .tab-btn {
        padding: 12px 8px;
        font-size: 12px;
        min-width: 100px;
        flex: 1;
        text-align: center;
        line-height: 1.3;
        word-wrap: break-word;
    }
    
    .product-cards-container {
        position: relative;
        overflow: hidden;
        padding: 0 20px;
    }
    
    .product-cards-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 15px;
        transition: transform 0.3s ease;
        width: 200%;
    }
    
    .product-card-item {
        width: 100%;
        min-width: 0;
    }
    
    .product-card-item h4 {
        padding: 15px;
        font-size: 16px;
    }
    
    .mobile-pagination {
        display: flex;
        justify-content: center;
        gap: 8px;
        margin-top: 20px;
    }
    
    .mobile-page-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: #ddd;
        cursor: pointer;
        transition: background-color 0.3s ease;
    }
    
    .mobile-page-dot.active {
        background-color: var(--primary-color);
    }
    
    .breadcrumb-list a,
    .breadcrumb-current {
        padding: 3px 6px;
    }
}

@media (max-width: 480px) {
    /* Product Tabs Small Mobile Styles */
    .product-tabs {
        padding: 40px 0;
    }
    
    .tab-buttons {
        display: flex;
        justify-content: space-between;
        gap: 3px;
        padding: 0 15px;
        flex-wrap: nowrap;
        overflow-x: auto;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 90px;
        padding: 10px 6px;
        font-size: 11px;
        text-align: center;
        line-height: 1.3;
        word-wrap: break-word;
    }
    
    .product-cards-grid {
        gap: 15px;
        padding: 0 15px;
    }
    
    .product-card-item h4 {
        padding: 12px;
        font-size: 14px;
    }
}

/* 分页组件样式 */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
}

.pagination {
    margin-top: 50px;
    padding: 30px 0;
    border-top: 1px solid #eee;
}

.pagination-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.pagination-item {
    display: flex;
    align-items: center;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    color: #666;
    text-decoration: none;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    gap: 6px;
}

.pagination-link:hover {
    color: #007bff;
    border-color: #007bff;
    background-color: #f8f9fa;
}

.pagination-current {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

.pagination-current:hover {
    color: #fff;
    background-color: #0056b3;
    border-color: #0056b3;
}

.pagination-prev,
.pagination-next {
    padding: 0 16px;
}

.pagination-dots span {
    color: #999;
    font-weight: bold;
    padding: 0 8px;
}

.pagination-link i {
    font-size: 12px;
}

/* 响应式分页 */
@media (max-width: 768px) {
    .pagination {
        margin-top: 30px;
        padding: 20px 0;
    }
    
    .pagination-list {
        gap: 4px;
    }
    
    .pagination-link {
        min-width: 36px;
        height: 36px;
        padding: 0 8px;
        font-size: 13px;
    }
    
    .pagination-prev span,
    .pagination-next span {
        display: none;
    }
    
    .pagination-prev,
    .pagination-next {
        padding: 0 12px;
    }
}

@media (max-width: 480px) {
    .pagination-list {
        gap: 2px;
    }
    
    .pagination-link {
        min-width: 32px;
        height: 32px;
        padding: 0 6px;
        font-size: 12px;
    }
}

.search-container {
    position: relative;
    overflow: hidden;
    width: 40px;
    transition: width var(--transition);
}

.search-container.active {
    width: 280px;
}

.search-toggle {
    position: absolute;
    right: 0;
    top: 0;
    padding: 8px 12px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1;
}

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

.search-box {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    align-items: center;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: 280px;
    height: 100%;
    transform: translateX(100%);
    transition: transform var(--transition);
}

.search-container.active .search-box {
    transform: translateX(0);
}

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

.search-box input {
    padding: 10px 15px;
    border: none;
    outline: none;
    font-family: inherit;
    flex-grow: 1;
}

.search-box button {
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    background-color: #0d5bbc;
}

.hamburger {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* 轮播图样式 */
.slider {
    margin-top: 90px;
    position: relative;
}

/* 首页banner特定高度 */
#home .splide__slide {
    position: relative;
    height: calc(80vh - 90px);
}

/* 其他页面保持原有高度 */
.splide__slide {
    position: relative;
    height: calc(100vh - 90px);
}

.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.slide-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
}

.slide-content .container {
    position: relative;
    z-index: 1;
    color: var(--white);
    max-width: 800px;
}

.slide-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.slide-content p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 600px;
}

.slide-content .btn {
    font-size: 16px;
}

/* PC端隐藏轮播图的黑色渐变和文字 */
@media (min-width: 768px) {
    .slide-content::before {
        display: none;
    }
    .slide-content .container {
        display: none;
    }
}

/* 公司简介样式 */
.about {
    padding: 100px 0;
    background-color: var(--white);
}

.about-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--light-text);
    text-indent: 2em;
}

.about-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    width: calc(50% - 10px);
}

.feature-item i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 18px;
}

.feature-item p {
    text-indent: 0;
}

.about-image {
    flex: 1;
    box-shadow: var(--shadow);
    border-radius: 8px;
    overflow: hidden;
}

/* 实力展示样式 */
.strength {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: var(--white);
}

.strength-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.strength-item {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 20px;
}

.strength-icon {
    font-size: 40px;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.8);
}

.strength-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.strength-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

/* 产品展示样式 */
.products {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.product-categories {
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
    flex-wrap: wrap;
    gap: 15px;
    padding: 0 20px;
}

.category-btn {
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--white) 0%, #f8f9fa 100%);
    border: 2px solid transparent;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    text-transform: uppercase;
    min-width: 120px;
    text-align: center;
    /* 设置按钮一行显示2个 */
    flex: 0 0 calc(50% - 7.5px);
    max-width: calc(50% - 7.5px);
}

.category-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s;
}

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

.category-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.25);
    border-color: var(--primary-color);
}

.category-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0d5bbc 100%);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.3);
}

.category-btn.active::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--white);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: translateY(-50%) scale(1.2);
    }
    100% {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-categories {
        gap: 10px;
        padding: 0 15px;
    }
    
    .category-btn {
        padding: 10px 20px;
        font-size: 13px;
        min-width: 100px;
    }
}

@media (max-width: 480px) {
    .product-categories {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .category-btn {
        width: 200px;
        max-width: 90%;
    }
}

/* 产品网格样式 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.product-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f1f3f4;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.product-item .product-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    width: 100%;
}

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

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

.product-item .product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.product-item h3 {
    padding: 20px;
    margin: 0;
    color: #212529;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 产品网格响应式设计 */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

.view-more {
    text-align: center;
}

/* 客户案例样式 */
.cases {
    padding: 100px 0;
    background-color: var(--white);
}

.cases-slider {
    margin-top: 30px;
    overflow: hidden;
}

.cases-slider .splide__track {
    overflow: hidden;
}

.cases-slider .splide__list {
    display: flex;
    align-items: center;
}

.case-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 10px;
}

.custom-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 10px;
    box-sizing: border-box;
}

.cases-slider .splide__slide {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 10px;
    height: 350px;
}

.case-item {
    background-color: var(--secondary-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    flex-shrink: 0;
}

.case-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.case-item h3 {
    padding: 20px 20px 10px;
    font-size: 18px;
}

.case-item p {
    padding: 0 20px 20px;
    color: var(--light-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
}

/* 合作伙伴样式 */
.partners {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

.partners-slider {
    margin-top: 30px;
}

.partners-slider .splide__slide {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 120px;
}

.partners-slider img {
    max-height: 80px;
    opacity: 0.7;
    transition: var(--transition);
}

.partners-slider .splide__slide:hover img {
    opacity: 1;
}

/* 新闻动态样式 */
.news {
    padding: 100px 0;
    background-color: var(--white);
}



/* 加载样式 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s;
}

.loading.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--secondary-color);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}







/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.contact-content {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    flex-wrap: wrap;
}

/* Contact Container - 左右布局 */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 50px;
}

.contact-container .contact-form,
.contact-container .contact-info {
    flex: 1;
    min-width: 300px;
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.contact-container .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.contact-container .form-text {
    font-size: 12px;
    color: #666;
    margin-top: 4px;
    display: block;
}

.contact-container .contact-info a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-container .contact-info a:hover {
    text-decoration: underline;
}

.contact-container .contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.contact-container .contact-info-item i {
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 15px;
    margin-top: 5px;
}

.contact-container .contact-info-item h4 {
    margin-bottom: 5px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.contact-container .map-container {
    margin-top: 40px;
    height: 400px;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .contact-container {
        flex-direction: column;
        gap: 20px;
        margin-top: 30px;
    }
    
    .contact-container .contact-form,
    .contact-container .contact-info {
        min-width: auto;
        padding: 20px;
    }
    
    .contact-container .map-container {
        height: 300px;
        margin-top: 30px;
    }
}

.contact-form {
    flex: 1;
    min-width: 300px;
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.contact-form h3 {
    margin-bottom: 20px;
    font-size: 22px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

.form-group textarea {
    resize: vertical;
}

.contact-info {
    flex: 1;
    min-width: 300px;
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.contact-info h3 {
    margin-bottom: 20px;
    font-size: 22px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.info-item i {
    color: var(--primary-color);
    margin-right: 15px;
    font-size: 20px;
    margin-top: 3px;
}

.info-item p {
    color: var(--light-text);
}

.social-links {
    margin-top: 30px;
}

.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    margin-right: 10px;
    font-size: 18px;
    color: var(--primary-color);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

/* 固定联系图标样式 - PC端 */
.fixed-contact-icons {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 999;
    display: none;
}

.contact-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    margin-bottom: 10px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    font-size: 20px;
    transition: var(--transition);
    box-shadow: var(--shadow);
    position: relative;
}

.email-text, .phone-text, .wechat-text, .whatsapp-text {
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    padding: 5px 10px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 4px;
    font-size: 14px;
    transition: right 0.3s ease, opacity 0.3s ease;
    z-index: 1;
    opacity: 0;
    pointer-events: none;
}

.email-text::before, .phone-text::before, .wechat-text::before, .whatsapp-text::before {
    content: '';
    position: absolute;
    right: -10px;
    top: 0;
    width: 10px;
    height: 100%;
    background: transparent;
}

.contact-icon:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.contact-icon:hover .email-text, .contact-icon:hover .phone-text, .contact-icon:hover .wechat-text, .contact-icon:hover .whatsapp-text {
    right: calc(100% + 10px);
    opacity: 1;
    pointer-events: auto;
}

.email-text:hover, .phone-text:hover, .wechat-text:hover, .whatsapp-text:hover {
    right: calc(100% + 10px);
    opacity: 1;
    pointer-events: auto;
}

/* 仅在PC端显示 */
@media (min-width: 768px) {
    .fixed-contact-icons {
        display: flex;
        flex-direction: column;
    }
}

/* 移动端邮箱表单样式 */
.mobile-email-form {
    display: none;
    position: fixed;
    bottom: 0;
    right: 0;
    z-index: 1000;
}

.mobile-email-trigger {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: #FFD700;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1001;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}



.mobile-email-trigger:hover {
    background-color: #FFC107;
    transform: scale(1.1);
}

.mobile-form-container {
    position: fixed;
    bottom: -100%;
    left: 10%;
    right: 10%;
    background-color: var(--white);
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.2);
    transition: bottom 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    max-height: 50vh;
    overflow-y: auto;
    z-index: 1000;
}

.mobile-email-form.active .mobile-form-container {
    bottom: 0;
}

.mobile-form-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--light-text);
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 1002;
}

.mobile-form-close:hover {
    background-color: var(--border-color);
    color: var(--text-color);
}



.mobile-contact-form {
    padding: 20px;
}

.mobile-contact-form .form-group {
    margin-bottom: 20px;
}



.mobile-contact-form input,
.mobile-contact-form select,
.mobile-contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.mobile-contact-form input:focus,
.mobile-contact-form select:focus,
.mobile-contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.1);
}



.mobile-contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.mobile-submit-btn {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.mobile-submit-btn:hover {
    background-color: #0d5bbc;
}

/* 仅在移动端显示 */
@media (max-width: 768px) {
    .mobile-email-form {
        display: block;
    }
    
    /* 移动端按钮位置调整 */
    .back-to-top {
        bottom: 90px;
        right: 20px;
    }
    
    .mobile-email-trigger {
        bottom: 20px; /* 在最下方 */
        right: 20px;
    }
        /* 移动端banner高度调整 */
    .slider {
        height: 30vh !important;
    }
}
/* 页脚样式 */
.footer {
    background-color: #1a1a1a;
    color: var(--white);
    padding: 80px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 50px;
}

.footer-logo {
    flex: 1;
    min-width: 250px;
}

.footer-logo img {
    width: 160px;
    height: 30px;
    margin-right: 10px;
}

.footer-logo span {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

.footer-logo p {
    margin-top: 15px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 300px;
}

.footer-links,
.footer-products,
.footer-contact {
    flex: 1;
    min-width: 200px;
}

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

.footer-links h4::after,
.footer-products h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links ul li,
.footer-products ul li,
.footer-contact ul li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-products a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact ul li i {
    margin-right: 10px;
    color: var(--primary-color);
    margin-top: 3px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
        gap: 30px;
    }

    .about-text,
    .about-image {
        width: 100%;
    }

    .feature-item {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 90px;
        left: -100%;
        width: calc(100% - 60px);
        height: calc(100vh - 90px);
        background-color: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        transition: var(--transition);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        overflow-y: auto;
    }

    .nav.active {
        left: 0;
    }

    .nav-links {
        flex-direction: column;
        align-items: flex-start;
        margin-right: 0;
        width: 100%;
        padding: 0 20px;
    }

    .nav-links li {
        margin: 0;
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 15px 0;
        width: 100%;
        font-size: 16px;
        color: var(--text-color);
    }

    .contact-btn {
        margin-left: 0;
        margin-top: 20px;
    }
    
    /* 移动端导航覆盖层 */
    .mobile-nav-overlay {
        position: fixed;
        top: 90px;
        left: calc(100% - 60px);
        width: 60px;
        height: calc(100vh - 90px);
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        pointer-events: none;
    }
    
    .mobile-nav-overlay.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }
    
    .mobile-nav-content {
        position: absolute;
        top: 0;
        left: -400%;
        width: 400%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--white);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
    }
    
    .mobile-nav-overlay.active .mobile-nav-content {
        transform: translateX(0);
    }
    
    .mobile-nav-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .mobile-nav-close {
        background: none;
        border: none;
        font-size: 24px;
        color: var(--text-color);
        cursor: pointer;
        padding: 5px;
    }
    
    .mobile-nav ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    
    .mobile-nav li {
        border-bottom: 1px solid var(--border-color);
    }
    
    .mobile-nav a {
        display: block;
        padding: 15px 20px;
        color: var(--text-color);
        text-decoration: none;
        transition: background-color 0.3s ease;
    }
    
    .mobile-nav a:hover {
        background-color: var(--secondary-color);
    }
    
    .mobile-dropdown-toggle {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .mobile-dropdown-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        background-color: var(--secondary-color);
    }
    
    .mobile-dropdown.active .mobile-dropdown-content {
        max-height: 200px;
    }
    
    .mobile-dropdown-content a {
        padding-left: 40px;
        font-size: 14px;
    }
    
    .mobile-nav-footer {
        padding: 20px;
        border-top: 1px solid var(--border-color);
    }
    
    .mobile-search {
        display: flex;
        margin-bottom: 15px;
    }
    
    .mobile-search input {
        flex: 1;
        padding: 10px;
        border: 1px solid var(--border-color);
        border-radius: 4px 0 0 4px;
        outline: none;
    }
    
    .mobile-search button {
        padding: 10px 15px;
        background-color: var(--primary-color);
        color: var(--white);
        border: none;
        border-radius: 0 4px 4px 0;
        cursor: pointer;
    }
    
    .mobile-lang select {
        width: 100%;
        padding: 10px;
        border: 1px solid var(--border-color);
        border-radius: 4px;
        background-color: var(--white);
    }

    .hamburger {
        display: block;
    }

    /* Banner图片响应式优化 */
    .splide__slide {
        height: calc(60vh - 90px);
        min-height: 400px;
    }
    
    #home .splide__slide {
        height: calc(50vh - 90px);
        min-height: 350px;
    }
    
    .slide-content {
        background-size: cover;
        background-position: center center;
        background-attachment: scroll;
    }

    .slide-content h1 {
        font-size: 36px;
    }

    .slide-content p {
        font-size: 16px;
    }

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

    .strength-item {
        width: 100%;
        min-width: 0;
    }
}

@media (max-width: 768px) {
    /* 手机端隐藏搜索框 */
    .search-container,
    .new-search-container {
        display: none;
    }

    /* 移动端导航搜索框 */
    .mobile-nav-search {
        display: block;
        padding: 15px 20px;
        border-top: 1px solid var(--border-color);
        background-color: var(--white);
    }

    .mobile-search-box {
        display: flex;
        align-items: center;
        background-color: var(--white);
        border: 1px solid var(--border-color);
        border-radius: 6px;
        overflow: hidden;
    }

    .mobile-search-input {
        flex: 1;
        padding: 12px 15px;
        border: none;
        outline: none;
        font-family: inherit;
        font-size: 14px;
        background: transparent;
    }

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

    .mobile-search-btn {
        padding: 12px 15px;
        background-color: var(--primary-color);
        color: var(--white);
        border: none;
        cursor: pointer;
        transition: background-color 0.3s ease;
        min-width: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-search-btn:hover {
        background-color: #0d5bbc;
    }

    .mobile-search-btn i {
        font-size: 14px;
    }
    
    /* 移动端下拉菜单样式 - 禁用PC端视觉效果 */
     .dropdown:hover .dropdown-menu {
         opacity: 0;
         visibility: hidden;
         transform: translateY(-10px);
     }
     
     .dropdown:hover .fa-chevron-down {
         transform: none;
     }
     
     .dropdown-menu {
         position: static;
         opacity: 1;
         visibility: visible;
         transform: none;
         box-shadow: none;
         border: none;
         border-radius: 0;
         margin-top: 0;
         background-color: rgba(26, 115, 232, 0.05);
         max-height: 0;
         overflow: hidden;
         transition: max-height 0.3s ease;
         width: 100%;
         margin-left: 20px;
     }
     
     .dropdown.mobile-active .dropdown-menu {
         max-height: 200px;
     }
     
     .dropdown.mobile-active .fa-chevron-down {
         transform: rotate(180deg);
     }
     
     .dropdown-menu li {
         border-bottom: 1px solid #e9ecef;
         width: calc(100% - 20px);
     }
     
     .dropdown-menu li:last-child {
         border-bottom: none;
     }
     
     .dropdown-menu a {
         padding: 12px 0;
         font-size: 14px;
         color: var(--text-color);
         background-color: transparent;
         display: block;
         width: 100%;
     }
     
     .dropdown-menu a:hover {
         background-color: #e9ecef;
         color: var(--primary-color);
         padding-left: 0;
     }
     
     .dropdown-menu a:active {
         background-color: var(--primary-color);
         color: var(--white);
     }
     
     /* 移动端 Products Mega Menu 样式（默认展开） */
      .products-mega-menu {
          position: static;
          width: 100%;
          opacity: 1;
          visibility: visible;
          transform: none;
          box-shadow: none;
          border-radius: 0;
          margin-top: 0;
          background-color: rgba(26, 115, 232, 0.05);
          max-height: 500px;
          overflow: visible;
          transition: max-height 0.3s ease;
          margin-left: 0;
          margin-right: 0;
      }
      
      /* Products下拉菜单收起状态 */
      .products-dropdown.mobile-active .products-mega-menu {
          max-height: 0;
          overflow: hidden;
      }
     
     /* Products下拉菜单移动端箭头样式（默认展开） */
     .products-dropdown .fa-chevron-down {
         transform: rotate(180deg);
         transition: transform 0.3s ease;
     }
     
     /* Products下拉菜单收起时箭头旋转 */
     .products-dropdown.mobile-active .fa-chevron-down {
         transform: rotate(0deg);
     }
     
     /* 移动端 Video Mega Menu 样式 */
      .video-mega-menu {
          position: static;
          width: 100%;
          opacity: 1;
          visibility: visible;
          transform: none;
          box-shadow: none;
          border-radius: 0;
          margin-top: 0;
          background-color: rgba(26, 115, 232, 0.05);
          max-height: 0;
          overflow: hidden;
          transition: max-height 0.3s ease;
          margin-left: 0;
          margin-right: 0;
      }
      
      /* Video下拉菜单展开状态 */
      .video-dropdown.mobile-active .video-mega-menu {
          max-height: 500px;
          overflow: visible;
      }
     
     /* Video下拉菜单移动端箭头样式 */
     .video-dropdown .fa-chevron-down {
         transform: rotate(0deg);
         transition: transform 0.3s ease;
     }
     
     /* Video下拉菜单展开时箭头旋转 */
     .video-dropdown.mobile-active .fa-chevron-down {
         transform: rotate(180deg);
     }
     
     .mega-menu-container {
         flex-direction: column;
         min-height: auto;
     }
     
     .mega-menu-categories {
         width: 100%;
         background-color: transparent;
         border-radius: 0;
         padding: 10px 0;
     }
     
     .category-item {
         padding: 15px 20px;
         border-left: none;
         border-bottom: 1px solid #e9ecef;
         background-color: var(--white);
         margin: 5px 10px;
         border-radius: 8px;
         box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
         transition: all 0.3s ease;
     }
     
     .category-item:hover {
         background-color: var(--primary-color);
         color: var(--white);
         transform: translateY(-2px);
         box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
     }
     
     .category-item:last-child {
         border-bottom: none;
     }
     
     .category-item span {
         font-size: 16px;
         font-weight: 600;
         display: block;
         width: 100%;
     }
     
     .category-item a {
         text-decoration: none;
         color: inherit;
         display: block;
         width: 100%;
     }
     
     .mega-menu-content {
          display: block !important; /* 移动端强制显示内容 */
          padding: 10px 0;
      }
      
      /* mega-menu产品网格样式已移至 style2.css */
    
    /* Product-grid移动端一行一个产品 */
    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .section-title h2 {
        font-size: 28px;
    }

    /* 小屏幕Banner图片进一步优化 */
    .splide__slide {
        height: calc(45vh - 90px);
        min-height: 300px;
    }
    
    #home .splide__slide {
        height: calc(40vh - 90px);
        min-height: 280px;
    }
    
    .slide-content {
        background-size: cover;
        background-position: center top;
        padding: 0 15px;
    }
    
    .slide-content .container {
        max-width: 100%;
        padding: 0 10px;
    }

    .slide-content h1 {
        font-size: 28px;
        line-height: 1.3;
        margin-bottom: 15px;
    }
    
    .slide-content p {
        font-size: 14px;
        margin-bottom: 20px;
        line-height: 1.5;
    }

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

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

    .footer-contact ul li {
        justify-content: center;
    }
}

/* 极小屏幕Banner图片优化 */
@media (max-width: 480px) {
    .splide__slide {
        height: calc(35vh - 90px);
        min-height: 250px;
    }
    
    #home .splide__slide {
        height: calc(30vh - 90px);
        min-height: 220px;
    }
    
    .slide-content {
        background-size: cover;
        background-position: center center;
        padding: 0 10px;
    }
    
    .slide-content .container {
        padding: 0 5px;
    }
    
    .slide-content h1 {
        font-size: 24px;
        line-height: 1.2;
        margin-bottom: 10px;
    }
    
    .slide-content p {
        font-size: 13px;
        margin-bottom: 15px;
        line-height: 1.4;
    }
    
    .slide-content .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

/* Products页面专用响应式样式 */
@media (min-width: 992px) {
    .products-container {
        display: flex;
        gap: 30px;
    }
    
    .products-container .product-categories {
        width: 250px;
        flex-shrink: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
        position: sticky;
        top: 30px;
        align-self: flex-start;
    }
    
    .products-container .product-list {
        flex-grow: 1;
    }
    
    .products-container .product-item {
        margin-bottom: 30px;
        display: flex !important;
        gap: 20px;
        align-items: center;
        height: auto;
    }
    
    /* products-container产品图片样式已移至 style2.css */
    
    .products-container .product-item h3 {
        margin-top: 0;
    }
}

@media (max-width: 991px) {
    .products-container {
        display: block;
    }
    
    .products-container .product-categories {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 30px;
    }
    
    .products-container .product-list {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .products-container .product-item {
        display: block !important;
        height: auto;
    }
    
    /* products-container产品图片样式已移至 style2.css */
}

/* Cases 轮播图样式 */
.cases-slider {
    position: relative;
}

.splide {
    position: relative;
}

/* Splide 轮播图自定义样式 */
.splide__pagination {
    bottom: 20px;
}

.splide__pagination__page {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    margin: 0 6px;
    transition: var(--transition);
}

.splide__pagination__page.is-active {
    background-color: var(--white);
    transform: scale(1.2);
}

.splide__arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.8);
    color: var(--primary-color);
    top: 50%;
    transform: translateY(-50%);
    transition: var(--transition);
    position: absolute;
    z-index: 10;
}

/* Cases轮播图按钮特定样式 */
.cases-slider .splide__arrow {
    top: 50%;
    transform: translateY(-50%);
}

.splide__arrow:hover {
    background-color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.splide__arrow--prev {
    left: 20px;
}

.splide__arrow--next {
    right: 20px;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}

.delay-5 {
    animation-delay: 0.5s;
}

/* 滚动监听样式 */
.scroll-animation {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animation.active {
    opacity: 1;
    transform: translateY(0);
}

/* 加载样式 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s;
}

.loading.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--secondary-color);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 时间线样式 */
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    z-index: 0;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
    z-index: 1;
}

.timeline-item.active {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-year {
    position: absolute;
    top: 15px;
    width: 80px;
    padding: 5px 10px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-year {
    right: -40px;
}

.timeline-item:nth-child(even) .timeline-year {
    left: -40px;
}

.timeline-content {
    padding: 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    position: relative;
    z-index: 2;
}

.timeline-content h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* 响应式时间线 */
@media (max-width: 768px) {
    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        left: 0;
    }

    .timeline-item:nth-child(odd) .timeline-year,
    .timeline-item:nth-child(even) .timeline-year {
        left: -40px;
    }
}

/* 响应式团队介绍 */
@media (max-width: 576px) {
    .team-content {
        grid-template-columns: 1fr;
    }
}

/* 响应式公司文化 */
@media (max-width: 768px) {
    .culture-content {
        flex-direction: column;
        align-items: center;
    }

    .culture-item {
        width: 100%;
        max-width: 300px;
    }
}

/* 响应式认证 */
@media (max-width: 768px) {
    .certifications-slider .splide__slide {
        height: 150px;
    }
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 999;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #0d5bbc;
}

/* 团队展示样式 */
.team {
    /* padding: 100px 0; */
    background-color: var(--white);
}

.team-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

/* 移动端返回顶部按钮位置覆盖 */
@media (max-width: 768px) {
    .back-to-top {
        bottom: 90px !important;
        right: 20px !important;
    }
    
    /* 团队展示响应式 - 移动端一行显示2个 */
    .team .team-content,
    section.team .team-content,
    .team-content {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px !important;
        display: grid !important;
    }
}

@media (max-width: 992px) {
    .team .team-content,
    section.team .team-content,
    .team-content {
        grid-template-columns: repeat(2, 1fr) !important;
        display: grid !important;
    }
}

@media (max-width: 576px) {
    .team .team-content,
    section.team .team-content,
    .team-content {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
        display: grid !important;
    }
    
    .team-member {
        font-size: 14px;
    }
    
    .team-info h3 {
        font-size: 16px;
    }
    
    .team-info p {
        font-size: 12px;
    }
}

.team-member {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

.team-image {
    height: 200px;
    overflow: hidden;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.team-info {
    padding: 20px;
}

.team-info h3 {
    margin-bottom: 5px;
    font-size: 20px;
}

.team-info p:nth-child(2) {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 500;
}

/* 公司文化样式 */
.culture-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 50px;
}

.culture-item {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: var(--transition);
}

.culture-item:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.2);
}

.culture-icon {
    font-size: 40px;
    margin-bottom: 20px;
    color: var(--white);
}

.culture-item h3 {
    margin-bottom: 15px;
    font-size: 20px;
}

/* 认证样式 */
.certifications-slider {
    margin-top: 50px;
}

.certifications-slider .splide__slide {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.certifications-slider img {
    max-height: 160px;
    max-width: 90%;
    object-fit: contain;
}

/* 产品内页特有样式 */
.product-detail { padding: 80px 0; }
.main-product-image { max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); margin-bottom: 30px; }
/* 产品网格样式已移至 style2.css */
.product-gallery { margin-bottom: 60px; }


/* Certificates Carousel Styles */
.certificates {
    background-color: var(--white);
}

.certificates-carousel {
    margin-top: 40px;
    margin-bottom: 60px;
    height: 350px;
}

@media (max-width: 768px) {
    .certificates-carousel {
        height: 350px;
        overflow: visible;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    #certificates-splide,
    #about-certificates-splide {
        max-width: 290px;
        margin: 0 auto;
    }
    
    #certificates-splide .splide__track,
    #about-certificates-splide .splide__track {
        overflow: visible;
    }
    
    #certificates-splide .splide__list,
    #about-certificates-splide .splide__list {
        overflow: visible;
    }
}

.certificate-item {
    padding: 0;
    text-align: center;
    width: 100%;
    height: 350px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.certificate-item img {
    /* width: 100%; */
    height: 350px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@media (max-width: 768px) {
    #certificates-splide .splide__slide,
    #about-certificates-splide .splide__slide {
        width: 100% !important;
        max-width: 290px;
        height: auto;
    }
    
    .certificate-item {
        width: 100%;
        height: auto;
        max-width: 290px;
    }
    
    .certificate-item img {
        height: auto;
        /* aspect-ratio: 290/350; */
    }
}

.certificate-item img:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

#certificates-splide .splide__slide,
#about-certificates-splide .splide__slide {
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#certificates-splide .splide__arrow,
#about-certificates-splide .splide__arrow {
    background: var(--primary-color);
    opacity: 0.8;
    width: 3em;
    height: 3em;
    top: 50%;
    transform: translateY(-50%);
}

#certificates-splide .splide__arrow svg,
#about-certificates-splide .splide__arrow svg {
    width: 1.5em;
    height: 1.5em;
    fill: white;
}

#certificates-splide .splide__arrow:hover,
#about-certificates-splide .splide__arrow:hover {
    opacity: 1;
}

#certificates-splide .splide__pagination__page.is-active,
#about-certificates-splide .splide__pagination__page.is-active {
    background: var(--primary-color);
}
.related-product-list img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: 12px;
}
.related-product-list span {
    font-size: 0.9rem;
    line-height: 1.4;
}
.mt-5 { margin-top: 25px; }
.product-content { background-color: var(--white); border-radius: 8px; box-shadow: var(--shadow); padding: 30px; }

/* 新闻列表页特有样式 */



/* 分页组件样式 */
.pagination-container {
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    width: 100%;
    text-align: center;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 2px solid #1a73e8;
    background: transparent;
    color: #1a73e8;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.pagination-btn:hover:not(:disabled) {
    background: #1a73e8;
    color: white;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 5px;
    margin: 0 10px;
}

.pagination-number {
    width: 40px;
    height: 40px;
    border: 2px solid #1a73e8;
    background: transparent;
    color: #1a73e8;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination-number:hover,
.pagination-number.active {
    background: #1a73e8;
    color: white;
}

.pagination-info {
    color: #666;
    font-size: 14px;
}

/* 覆盖contact section的padding */
.contact {
    padding: 40px 0 !important;
}

@media (max-width: 768px) {
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination-btn {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .pagination-number {
        width: 35px;
        height: 35px;
        font-size: 12px;
    }
    
    .pagination-info {
        font-size: 12px;
    }
}



/* 面包屑导航样式 */


/* 新闻详情页样式 */
.news-detail {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 40px;
    margin-bottom: 30px;
}

.news-header {
    margin-bottom: 30px;
}

.news-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #666;
    font-size: 0.875rem;
}

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

.news-detail-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-color);
    margin-bottom: 0;
}

.news-featured-image {
    margin-bottom: 30px;
    text-align: center;
}

.news-featured-image img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.image-caption {
    margin-top: 10px;
    font-size: 0.875rem;
    color: #666;
    font-style: italic;
}

.news-content {
    margin-bottom: 40px;
}

.news-summary {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 4px solid var(--primary-color);
}

.news-summary p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.6;
}

.news-body h2 {
    font-size: 1.5rem;
    margin: 30px 0 15px 0;
    color: var(--text-color);
}

.news-body h3 {
    font-size: 1.25rem;
    margin: 25px 0 12px 0;
    color: var(--text-color);
}

.news-body p {
    margin-bottom: 15px;
    line-height: 1.7;
    font-size: 1rem;
}

.news-body ul {
    margin: 15px 0;
    padding-left: 20px;
}

.news-body li {
    margin-bottom: 8px;
    line-height: 1.6;
    list-style-type: disc;
}

.news-body blockquote {
    background-color: #f8f9fa;
    border-left: 4px solid var(--accent-color);
    padding: 20px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
}

.news-body blockquote p {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.news-body blockquote cite {
    display: block;
    text-align: right;
    font-weight: 600;
    color: var(--primary-color);
    font-style: normal;
}

.news-tags {
    margin-bottom: 30px;
    padding: 20px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.news-tags h4 {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--text-color);
}

.tag {
    display: inline-block;
    background-color: #e3f2fd;
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    margin-right: 10px;
    margin-bottom: 8px;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary-color);
    color: white;
}



.news-share {
    margin-bottom: 40px;
    padding: 20px 0;
    border-top: 1px solid #eee;
}

.news-share h4 {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--text-color);
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}

.share-btn.facebook {
    background-color: #1877f2;
    color: white;
}

.share-btn.twitter {
    background-color: #1da1f2;
    color: white;
}

.share-btn.linkedin {
    background-color: #0077b5;
    color: white;
}

.share-btn.email {
    background-color: #666;
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.related-news {
    margin-bottom: 40px;
    padding: 30px 0;
    border-top: 1px solid #eee;
}

.related-news h3 {
    margin-bottom: 25px;
    font-size: 1.5rem;
    color: var(--text-color);
}

.related-news-list {
    margin-top: 20px;
}

.related-news-item {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 10px;
    transition: transform 0.3s ease;
}

.related-news-item:hover {
    transform: translateY(-2px);
}

.related-news-item h4 {
    margin: 0 0 8px 0;
    font-size: 16px;
    line-height: 1.4;
}

.related-news-item h4 a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.related-news-item h4 a:hover {
    color: var(--primary-color);
}

.related-news-date {
    color: #666;
    font-size: 14px;
    margin: 0;
}

/* 新闻导航样式 */
.news-navigation {
    display: flex;
    gap: 20px;
    margin: 40px 0;
    padding: 20px 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
    max-width: 100%;
    overflow: hidden;
}

.nav-item {
    flex: 1;
    min-width: 0;
    max-width: 50%;
}

.nav-link {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.nav-link:hover {
    background: #e9ecef;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-content {
    flex: 1;
}

.nav-label {
    display: block;
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.nav-title {
    display: block;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.prev-news .nav-link {
    justify-content: flex-start;
}

.next-news .nav-link {
    justify-content: flex-end;
    text-align: right;
}

.nav-content i {
    font-size: 16px;
    color: var(--primary-color);
    margin-top: 10px;
    display: block;
}

.prev-news .nav-content i {
    text-align: left;
}

.next-news .nav-content i {
    text-align: right;
}

.back-to-news {
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid #eee;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 6px;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}

.btn-back:hover {
    background-color: #1557b0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
    color: white;
}

/* 新闻详情页响应式设计 */
@media (max-width: 768px) {
    .news-detail {
        padding: 20px;
    }
    
    .news-detail-title {
        font-size: 1.5rem;
    }
    
    .news-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .news-body h2 {
        font-size: 1.25rem;
    }
    
    .news-body h3 {
        font-size: 1.1rem;
    }
    
    .share-buttons {
        flex-direction: column;
    }
    
    .share-btn {
        justify-content: center;
    }
    
    .related-news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-summary {
        padding: 15px;
    }
    
    .news-body blockquote {
        padding: 15px;
        margin: 20px 0;
    }
}

@media (max-width: 991px) {
    /* 布局样式已移至 style2.css 中统一管理 */
}
}



/* Video Detail Page Styles */
.video-detail-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.video-categories {
    flex: 0 0 280px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 20px;
}

.video-categories h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 20px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

.category-list li {
    margin-bottom: 15px;
}

.category-list a {
    display: block;
    padding: 10px 15px;
    border-radius: 4px;
    transition: var(--transition);
}

.category-list a:hover, .category-list a.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.video-content {
    flex: 1;
    min-width: 300px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 20px;
}

.video-player {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 比例 */
    height: 0;
    margin-bottom: 20px;
    overflow: hidden;
    background-color: #000;
    border-radius: 8px;
}

.video-player iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-description h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.video-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
    color: var(--light-text);
}

.video-meta span {
    display: flex;
    align-items: center;
}

.video-meta i {
    margin-right: 8px;
    color: var(--primary-color);
}

.video-description p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.related-videos {
    margin-top: 40px;
}

.related-videos h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.related-videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.related-video-item {
    display: block;
    text-decoration: none;
    color: inherit;
    background-color: var(--secondary-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.related-video-item:hover {
    box-shadow: var(--shadow);
    text-decoration: none;
    color: inherit;
}

.related-video-thumbnail {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 比例 */
    height: 0;
    overflow: hidden;
}

.related-video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-size: 16px;
    transition: var(--transition);
    opacity: 1;
    z-index: 2;
}

.related-video-item:hover .related-play-icon {
    background-color: white;
    transform: translate(-50%, -50%) scale(1.1);
}

.related-video-info {
    padding: 10px;
}

.related-video-info h5 {
    font-size: 14px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

/* 视频选择器样式 */
.video-selector {
    margin-bottom: 20px;
}

.video-selector h4 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.video-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.video-btn {
    padding: 8px 16px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
}

.video-btn:hover {
    background: var(--primary-color);
    color: white;
}

.video-btn.active {
    background: var(--primary-color);
    color: white;
}

/* 视频加载状态 */
.video-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--primary-color);
    font-size: 18px;
    z-index: 10;
}

.video-player.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 5;
}

/* 视频预览缩略图 */
.video-thumbnail {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 比例 */
    height: 0;
    overflow: hidden;
    background-image: url('../img/factory-building.jpg');
    background-size: cover;
    background-position: center;
    cursor: pointer;
    background-color: #f0f0f0;
    transition: opacity 0.3s ease;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.video-thumbnail .play-button {
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     width: 60px;
     height: 60px;
     background: rgba(255, 255, 255, 0.9);
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 20px;
     color: var(--primary-color);
     transition: var(--transition);
     z-index: 2;
 }

 .video-thumbnail:hover .play-button {
     background: white;
     transform: translate(-50%, -50%) scale(1.05);
 }

@media (max-width: 1024px) {
    .video-detail-container {
        flex-direction: column;
    }
    .video-categories {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        height: 0 !important;
        overflow: hidden !important;
        width: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    .video-options {
        justify-content: center;
    }
    .video-btn {
        font-size: 12px;
        padding: 6px 12px;
    }
}

/* Video Cases Page Styles */
.video-cases-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 100%;
    overflow: hidden;
}

/* 底部水平分类标签 */
.horizontal-categories {
    margin-top: 30px;
    padding: 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.horizontal-categories h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 18px;
    text-align: center;
}

.horizontal-category-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.horizontal-category-list li {
    margin: 0;
}

.horizontal-category-list a {
    display: block;
    padding: 12px 20px;
    background-color: #f5f5f5;
    border-radius: 8px;
    transition: var(--transition);
    text-align: center;
    font-size: 14px;
}

.horizontal-category-list a:hover,
.horizontal-category-list a.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.video-grid {
    min-width: 300px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.video-item {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.video-item:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.video-item:hover .video-thumbnail {
    transform: scale(1.02);
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-size: 24px;
    transition: var(--transition);
    opacity: 1;
    z-index: 2;
}

.video-item:hover .play-icon {
    opacity: 1;
}

.video-info {
    padding: 15px;
    flex-grow: 1;
    display: flex;
    align-items: flex-start;
    min-height: 100px;
}

.video-info h4 {
    font-size: 16px;
    margin: 0;
    line-height: 1.4;
    color: #333;
    font-weight: 600;
    word-wrap: break-word;
    overflow-wrap: break-word;
    width: 100%;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 分页组件样式 */
.pagination-container {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 2px solid #1a73e8;
    background: transparent;
    color: #1a73e8;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.pagination-btn:hover:not(:disabled) {
    background: #1a73e8;
    color: white;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 5px;
    margin: 0 10px;
}

.pagination-number {
    width: 40px;
    height: 40px;
    border: 2px solid #1a73e8;
    background: transparent;
    color: #1a73e8;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination-number:hover,
.pagination-number.active {
    background: #1a73e8;
    color: white;
}

.pagination-info {
    color: #666;
    font-size: 14px;
}

@media (max-width: 768px) {
    .video-cases-container {
        flex-direction: column;
        max-width: 100%;
        overflow-x: hidden;
    }
    .video-categories {
        flex: 1;
        max-width: 100%;
        box-sizing: border-box;
    }
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        max-width: 100%;
        overflow: hidden;
    }
    .video-item {
        max-width: 100%;
        box-sizing: border-box;
    }
    .video-item:nth-child(n+7) {
        display: none;
    }
    .horizontal-categories {
        margin-top: 20px;
    }
    .horizontal-category-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        max-width: 100%;
    }
    .horizontal-category-list a {
        text-align: center;
        padding: 10px 15px;
        font-size: 13px;
    }
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    .pagination-btn {
        padding: 8px 12px;
        font-size: 12px;
    }
    .pagination-number {
        width: 35px;
        height: 35px;
        font-size: 12px;
    }
    .pagination-info {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: 1fr;
        gap: 10px;
        max-width: 100%;
        overflow: hidden;
    }
    .video-item {
        margin-bottom: 10px;
        max-width: 100%;
        box-sizing: border-box;
    }
    .video-cases-container {
        gap: 15px;
        padding: 0 10px;
    }
}

/* Video Navigation Styles */
.video-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
    padding: 20px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.nav-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.nav-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 15px;
    text-decoration: none;
    color: inherit;
    height: 100%;
    min-height: 60px;
}

.nav-link:hover {
    text-decoration: none;
    color: inherit;
}

.prev-video .nav-link {
    flex-direction: row;
}

.next-video .nav-link {
    flex-direction: row;
}

.nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #007bff;
    color: white;
    border-radius: 50%;
    font-size: 18px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.nav-item:hover .nav-icon {
    background-color: #0056b3;
    transform: scale(1.1);
}

.nav-content {
    flex: 1;
    padding: 0 15px;
    min-width: 0;
}

.next-video .nav-content {
    text-align: left;
}

.nav-label {
    display: block;
    font-size: 12px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.nav-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0 0 8px 0;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}





/* Responsive Design for Video Navigation */
@media (max-width: 768px) {
    .video-navigation {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .nav-link {
        padding: 12px;
        min-height: 50px;
    }
    
    .nav-content {
        padding: 0 10px;
    }
    

    
    .nav-title {
        font-size: 14px;
    }
    

    

    
    .nav-icon {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
}

/* Products2页面 Main 区域样式 */
/* 产品标题样式 */
.section-title {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
}





/* 特色产品网格样式 */
.featured-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 40px 0;
}

/* 一行3个产品的布局 */
.featured-products-grid.three-per-row {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1200px;
    margin: 0 auto;
}

/* 产品卡片样式 */
.product-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f1f3f4;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}


.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-info {
    padding: 15px;
}

.product-info h3 {
    color: #212529;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

.product-info p {
    display: none;
}

/* 产品链接样式 */
.product-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease;
}

.product-link:hover {
    transform: translateY(-5px);
    text-decoration: none;
    color: inherit;
}

.product-link:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* 产品网格响应式设计 */
@media (max-width: 1024px) {
    .featured-products-grid.three-per-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .featured-products-grid.three-per-row {
        grid-template-columns: 1fr;
    }
    
    .product-card {
        width: 100%;
        height: auto;
        min-height: 300px;
        display: flex;
        flex-direction: column;
    }
    
    .product-image {
        width: 100%;
        aspect-ratio: 1/1;
        position: relative;
        flex-shrink: 0;
        overflow: hidden;
    }
    
    .product-image img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        background-color: #f8f9fa;
    }
    
    /* 视频卡片移动端16:9比例 */
    .video-card .video-container {
        aspect-ratio: 16/9 !important;
        height: auto !important;
    }
    
    .video-card .video-container img {
        object-fit: cover !important;
    }
    
    .product-info {
        padding: 15px;
        height: 100px;
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        background-color: white;
        position: relative;
        z-index: 1;
    }
    
    .product-info h3 {
        font-size: 1.05rem;
        line-height: 1.3;
        -webkit-line-clamp: 2;
        display: -webkit-box !important;
        color: #212529;
        font-weight: 600;
        margin-bottom: 0;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        text-align: center;
    }
}

/* 产品内容页面样式 */
.product-image-container {
    width: 100%;
    max-width: 750px;
    height: 750px;
    margin: 0 auto 30px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

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

.product-title-container {
    text-align: center;
    margin-bottom: 25px;
    padding: 0 20px;
}

.product-title-container h1 {
    font-size: 2.2rem;
    color: #2c3e50;
    font-weight: 600;
    margin: 0;
    line-height: 1.3;
}

.product-details-info {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
    border-left: 4px solid #007bff;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
}

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

.detail-item-inline {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.detail-separator {
    color: #6c757d;
    margin: 0 3px;
    font-weight: normal;
    font-size: 0.85rem;
}

.detail-label {
    font-weight: 600;
    color: #495057;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.detail-value {
    color: #6c757d;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.product-description {
    line-height: 1.8;
    color: #495057;
}

.product-description p {
    margin-bottom: 20px;
    text-align: justify;
    font-size: 1rem;
}

.product-description p:last-child {
    margin-bottom: 0;
}

/* 文章导航样式 */
.article-navigation {
    display: flex;
    justify-content: space-between;
    margin: 40px 0 30px;
    gap: 20px;
    border-top: 1px solid #e9ecef;
    padding-top: 30px;
}

.nav-item {
    flex: 1;
    max-width: 48%;
}

.nav-item.prev-article {
    text-align: left;
}

.nav-item.next-article {
    text-align: right;
}

.nav-link {
    display: block;
    padding: 20px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    text-decoration: none;
    color: #495057;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    background: #e9ecef;
    border-color: #007bff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.15);
}

.nav-direction {
    display: block;
    font-size: 0.85rem;
    color: #6c757d;
    margin-bottom: 8px;
    font-weight: 500;
}

.nav-title {
    display: block;
    font-size: 1rem;
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.4;
}

/* 产品内容页面移动端样式 */
@media (max-width: 768px) {
    .product-image-container {
        height: 400px;
        margin-bottom: 20px;
    }
    
    .product-title-container h1 {
        font-size: 1.6rem;
        padding: 0 10px;
    }
    
    .product-details-info {
        margin: 0 10px 20px;
        padding: 15px;
    }
    
    .detail-item {
         flex-direction: column;
         align-items: flex-start;
         padding: 10px 0;
     }
     
     /* 新闻导航移动端样式 */
     .news-navigation {
         flex-direction: column;
         gap: 15px;
         margin: 30px 0;
         padding: 15px 0;
     }
     
     .nav-link {
         padding: 15px;
     }
     
     .nav-title {
         font-size: 13px;
         white-space: normal;
         overflow: visible;
         text-overflow: unset;
     }
     
     .nav-label {
         font-size: 11px;
     }
     
     .nav-content {
         overflow: hidden;
         word-wrap: break-word;
     }
     
     .detail-item-inline {
         flex-direction: column;
         align-items: flex-start;
         gap: 5px;
     }
     
     .detail-separator {
         display: none;
     }
    
    .detail-value {
        text-align: left;
        margin-top: 5px;
        font-weight: 500;
    }
    
    .product-description {
        padding: 0 10px;
    }
    
    .product-description p {
        font-size: 0.95rem;
        margin-bottom: 15px;
    }
    
    .article-navigation {
        flex-direction: column;
        margin: 30px 10px 20px;
        gap: 15px;
        padding-top: 20px;
    }
    
    .nav-item {
        max-width: 100%;
    }
    
    .nav-item.prev-article,
    .nav-item.next-article {
        text-align: left;
    }
    
    .nav-link {
        padding: 15px;
    }
    
    .nav-direction {
        font-size: 0.8rem;
        margin-bottom: 6px;
    }
    
    .nav-title {
        font-size: 0.9rem;
    }
}