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

body {
    font-family: Arial, sans-serif;
    color: #333;
    line-height: 1.6;
}

/* 头部样式 */
header {
    background-color: #f8f8f8;
    padding: 10px 0;
    border-bottom: 1px solid #ddd;
}

.container {
    width: 1200px;
    margin: 0 auto;
}

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

/* 汉堡菜单样式 */
.hamburger-menu {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: #0066cc;
    margin-left: auto;
}

/* 移动端菜单样式 */
.mobile-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: #f8f8f8;
    border-top: 1px solid #ddd;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 20px 0;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.mobile-menu ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    font-size: 16px;
    transition: color 0.3s;
}

.mobile-menu ul li a:hover {
    color: #0066cc;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #0066cc;
}

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

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

nav ul li a:hover {
    color: #0066cc;
}

/* 横幅样式 */
.banner {
    position: relative;
    height: 300px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-text {
    position: absolute;
    text-align: center;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 5px;
}

.banner-text h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

/* 主要内容区样式 */
.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 30px;
    margin: 0 0 20px 0;
    color: #333;
    line-height: 1.2;
    padding: 0;
}

/* 页面布局 - 包含左侧分类和右侧内容 */
.page-content {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
    margin-top: 30px;
    align-items: start;
}

/* 完整页面内容布局 - 用于分类和展示联合模块 */
.page-content-full {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
    align-items: stretch;
}

/* 产品部分样式 */
.product-section {
    padding: 20px;
    background-color: #f8f8f8;
    border-radius: 5px;
}

/* 联合模块样式 */
.combined-section {
    overflow: hidden;
}

/* 左侧分类样式 */
.category-sidebar {
    background-color: #f8f8f8;
    border-radius: 5px;
    padding: 20px;
}

.category-title {
    font-size: 18px;
    color: #0066cc;
    margin-bottom: 20px;
    font-weight: bold;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

.category-list {
    list-style: none;
}

.category-item {
    margin-bottom: 10px;
}

.category-item > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 3px;
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: all 0.3s;
}

.category-item > a:hover {
    background-color: #0066cc;
    color: white;
}

.category-item > a .toggle-icon {
    font-size: 12px;
    transition: transform 0.3s;
}

.category-item.active > a .toggle-icon {
    transform: rotate(90deg);
}

.subcategory-list {
    list-style: none;
    margin-top: 10px;
    margin-left: 20px;
    display: none;
}

.category-item.active .subcategory-list {
    display: block;
}

.subcategory-item {
    margin-bottom: 8px;
}

.subcategory-item a {
    display: block;
    padding: 8px 10px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 3px;
    text-decoration: none;
    color: #666;
    transition: all 0.3s;
    font-size: 14px;
}

.subcategory-item a:hover {
    background-color: #f0f0f0;
    color: #0066cc;
}

/* 首页左侧分类样式 */
.home-category-sidebar {
    background-color: #f8f8f8;
    border-radius: 5px;
    padding: 20px;
}

.home-category-title {
    font-size: 30px;
    color: #333;
    margin-bottom: 20px;
    font-weight: bold;
    text-align: center;
    line-height: 1.2;
    padding: 0;
}

.home-category-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.home-category-item {
    margin-bottom: 15px;
}

.home-category-item > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background-color: white;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    text-decoration: none;
    color: #0066cc;
    font-size: 20px;
    font-weight: bold;
    transition: all 0.3s;
}

.home-category-item > a:hover {
    background-color: #f0f8ff;
    border-color: #0066cc;
}

.home-category-item > a .home-toggle-icon {
    font-size: 16px;
    transition: transform 0.3s;
}

.home-category-item.active > a .home-toggle-icon {
    transform: rotate(90deg);
}

.home-subcategory-list {
    list-style: none;
    margin-top: 10px;
    margin-left: 20px;
    display: none;
}

.home-category-item.active .home-subcategory-list {
    display: block;
}

.home-subcategory-item {
    margin-bottom: 12px;
}

.home-subcategory-item a {
    display: block;
    padding: 12px 15px;
    background-color: white;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    font-size: 18px;
    line-height: 1.6;
}

.home-subcategory-item a:hover {
    background-color: #f8f8f8;
    border-color: #0066cc;
    color: #0066cc;
}

/* 首页独立产品分类样式 */
.home-category-sidebar-full {
    background-color: #f8f8f8;
    border-radius: 5px;
    padding: 30px;
    margin: 0 auto;
    max-width: 1000px;
}

.home-category-list-full {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.home-category-item-full {
    background-color: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
}

.home-category-item-full:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.home-category-item-full > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: white;
    text-decoration: none;
    color: #0066cc;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s;
}

.home-category-item-full > a:hover {
    background-color: #f0f8ff;
}

.home-category-item-full > a .home-toggle-icon-full {
    font-size: 18px;
    transition: transform 0.3s;
}

.home-category-item-full.active > a .home-toggle-icon-full {
    transform: rotate(90deg);
}

.home-subcategory-list-full {
    list-style: none;
    display: none;
    background-color: #fafafa;
    border-top: 1px solid #e0e0e0;
}

.home-category-item-full.active .home-subcategory-list-full {
    display: block;
}

.home-subcategory-item-full {
    margin: 0;
}

.home-subcategory-item-full a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    font-size: 16px;
    line-height: 1.6;
    border-bottom: 1px solid #e0e0e0;
}

.home-subcategory-item-full:last-child a {
    border-bottom: none;
}

.home-subcategory-item-full a:hover {
    background-color: #f0f8ff;
    color: #0066cc;
    padding-left: 25px;
}

/* 首页样式 */
.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.about-text {
    flex: 1;
}
.about-text p{text-indent: 2em;}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 5px;
}

/* 产品列表样式 */
.products-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    gap: 20px;
}

.filter-btn {
    padding: 10px 20px;
    border: 1px solid #ddd;
    background-color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover, .filter-btn.active {
    background-color: #0066cc;
    color: white;
    border-color: #0066cc;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 0;
    padding: 0;
}

.product-item {
    border: 1px solid #ddd;
    border-radius: 5px;
    overflow: hidden;
    transition: transform 0.3s;
    background-color: white;
}

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

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

.product-info {
    padding: 15px;
}

.product-info h3 {
    margin-bottom: 10px;
    color: #0066cc;
}

/* 产品详情样式 */
.product-detail {
    background-color: white;
    padding: 30px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.product-detail .product-header {
    margin-bottom: 30px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 20px;
}

.product-detail .product-header h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: #0066cc;
}

.product-detail .product-header .product-salary {
    color: #e74c3c;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
}

.product-detail .product-header .product-info {
    display: flex;
    gap: 20px;
    color: #666;
    font-size: 14px;
}

.product-images {
    margin-bottom: 30px;
}

.main-image {
    width: 100%;
    border-radius: 5px;
    margin-bottom: 20px;
}

.thumbnail-images {
    display: flex;
    gap: 10px;
    overflow-x: auto;
}

.thumbnail-images img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 2px solid #ddd;
    border-radius: 3px;
    cursor: pointer;
    transition: border-color 0.3s;
}

.thumbnail-images img:hover, .thumbnail-images img.active {
    border-color: #0066cc;
}

.product-info {
    margin-bottom: 30px;
}

.product-info .price {
    font-size: 24px;
    color: #e74c3c;
    margin-bottom: 20px;
}

.product-info .description {
    margin-bottom: 20px;
    line-height: 1.8;
}

.product-info .specs {
    background-color: #f8f8f8;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.product-info .specs h3 {
    margin-bottom: 15px;
    color: #0066cc;
}

.product-info .specs ul {
    list-style: none;
}

.product-info .specs ul li {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
}

.product-info .specs ul li .spec-name {
    font-weight: bold;
}

.product-features {
    background-color: #f8f8f8;
    padding: 40px;
    border-radius: 5px;
    margin-bottom: 40px;
}

.product-features h3 {
    margin-bottom: 20px;
    color: #0066cc;
    text-align: center;
}

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

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

.feature-icon {
    color: #0066cc;
    font-size: 24px;
    margin-top: 5px;
}

.related-products {
    margin-top: 60px;
}

.related-products h3 {
    color: #0066cc;
    margin-bottom: 30px;
    text-align: center;
}

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

.related-product-item {
    border: 1px solid #ddd;
    border-radius: 5px;
    overflow: hidden;
    transition: transform 0.3s;
}

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

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

.related-product-info {
    padding: 15px;
}

.related-product-info h4 {
    color: #0066cc;
    margin-bottom: 10px;
}

/* 客户见证样式 */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.testimonial-item {
    background-color: #f8f8f8;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

.testimonial-item .quote {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    position: relative;
    padding-left: 30px;
}

.testimonial-item .quote::before {
    content: '"';
    font-size: 48px;
    color: #0066cc;
    position: absolute;
    left: 0;
    top: -10px;
}

.testimonial-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-info .avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-info .company-info h4 {
    color: #0066cc;
    margin-bottom: 5px;
}

.testimonial-info .company-info p {
    font-size: 14px;
    color: #666;
}

/* 客户见证详情样式 */
.testimonial-detail .quote {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
    position: relative;
    padding: 30px;
    background-color: white;
    border-left: 5px solid #0066cc;
    border-radius: 3px;
}

.testimonial-detail .quote::before {
    content: '"';
    font-size: 64px;
    color: #0066cc;
    position: absolute;
    left: 10px;
    top: -10px;
}

.testimonial-content {
    margin-bottom: 30px;
    line-height: 1.8;
}

.testimonial-content h3 {
    color: #0066cc;
    margin-bottom: 15px;
    margin-top: 30px;
}

/* 新闻资讯样式 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-item {
    border: 1px solid #ddd;
    border-radius: 5px;
    overflow: hidden;
    transition: transform 0.3s;
}

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

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

.news-info {
    padding: 20px;
}

.news-info .news-date {
    color: #999;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-info h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #0066cc;
}

.news-info .news-excerpt {
    margin-bottom: 15px;
    line-height: 1.6;
}

/* 新闻资讯详情样式 */
.news-detail .news-header {
    margin-bottom: 30px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 20px;
}

.news-detail .news-header h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: #0066cc;
}

.news-detail .news-header .news-meta {
    color: #999;
    font-size: 14px;
}

.news-image {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 30px;
}

.news-content {
    line-height: 1.8;
    margin-bottom: 30px;
}

.news-content p {
    margin-bottom: 20px;
}

.news-content h3 {
    color: #0066cc;
    margin-bottom: 15px;
    margin-top: 30px;
}

/* 招贤纳士样式 */
.jobs-intro {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
    line-height: 1.8;
}

.jobs-list {
    margin-bottom: 30px;
}

.job-item {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 25px;
    margin-bottom: 20px;
    transition: transform 0.3s;
}

.job-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.job-title {
    font-size: 20px;
    color: #0066cc;
    font-weight: bold;
}

.job-salary {
    color: #e74c3c;
    font-weight: bold;
}

.job-info {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    color: #666;
    font-size: 14px;
}

.job-description {
    margin-bottom: 20px;
    line-height: 1.6;
}

.job-requirements {
    margin-bottom: 20px;
}

.job-requirements h4 {
    color: #0066cc;
    margin-bottom: 10px;
}

.job-requirements ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.job-requirements ul li {
    margin-bottom: 8px;
}

/* 职位详情样式 */
.job-section {
    margin-bottom: 30px;
}

.job-section h3 {
    color: #0066cc;
    margin-bottom: 15px;
    font-size: 18px;
}

.apply-section {
    background-color: #f8f8f8;
    padding: 30px;
    border-radius: 5px;
    margin-top: 40px;
}

.apply-section h3 {
    color: #0066cc;
    margin-bottom: 20px;
}

.apply-form {
    max-width: 600px;
}

/* 技术支持样式 */
.support-intro {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
    line-height: 1.8;
}

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

.support-item {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 25px;
    transition: transform 0.3s;
}

.support-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.support-icon {
    font-size: 48px;
    color: #0066cc;
    margin-bottom: 20px;
    text-align: center;
}

.support-title {
    font-size: 20px;
    color: #0066cc;
    font-weight: bold;
    margin-bottom: 15px;
    text-align: center;
}

.support-description {
    margin-bottom: 20px;
    line-height: 1.6;
}

.support-list {
    margin-left: 20px;
    margin-bottom: 20px;
}

.support-list li {
    margin-bottom: 10px;
}

/* 技术支持详情样式 */
.support-section {
    margin-bottom: 30px;
}

.support-section h3 {
    color: #0066cc;
    margin-bottom: 15px;
    font-size: 18px;
}

.support-section p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.support-contact {
    background-color: #f8f8f8;
    padding: 25px;
    border-radius: 5px;
    margin-top: 40px;
}

.support-contact h3 {
    color: #0066cc;
    margin-bottom: 15px;
}

.support-contact p {
    margin-bottom: 10px;
}

/* 联系我们样式 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    background-color: #f8f8f8;
    padding: 30px;
    border-radius: 5px;
}

.contact-info h3 {
    color: #0066cc;
    margin-bottom: 20px;
    font-size: 20px;
}

.contact-info .info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.contact-info .info-item .icon {
    color: #0066cc;
    font-size: 20px;
    margin-top: 5px;
}

.contact-info .info-item .text {
    flex: 1;
}

.contact-form {
    padding: 30px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.contact-form h3 {
    color: #0066cc;
    margin-bottom: 20px;
    font-size: 20px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 14px;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #0066cc;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 16px;
}

.btn:hover {
    background-color: #0052a3;
}

/* 地图样式 */
.map-section {
    margin-top: 40px;
}

.map-section h3 {
    color: #0066cc;
    margin-bottom: 20px;
    font-size: 20px;
    text-align: center;
}

.map {
    width: 100%;
    height: 400px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    padding: 8px 15px;
    border: 1px solid #ddd;
    background-color: white;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.3s;
}

.page-btn:hover, .page-btn.active {
    background-color: #0066cc;
    color: white;
    border-color: #0066cc;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: white;
    padding: 40px 0;
    margin-top: 60px;
}

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

.footer-section h3 {
    margin-bottom: 20px;
    color: #0066cc;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #0066cc;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #555;
}

/* 响应式设计 - 媒体查询 */
@media (max-width: 1200px) {
    .container {
        width: 95%;
        margin: 0 auto;
    }
}

@media (max-width: 992px) {
    /* 调整页面布局为单列 */
    .page-content,
    .page-content-full {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 调整网格布局为2列 */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .related-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    /* 调整页脚为2列 */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    /* 调整联系我们为单列 */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    /* 移动端样式 */
    /* 导航菜单 - 隐藏桌面菜单，显示汉堡菜单 */
    nav ul {
        display: none;
    }
    
    .hamburger-menu {
        display: block;
    }
    
    /* 调整所有网格布局为1列 */
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .related-products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 调整横幅文字大小 */
    .banner-text h1 {
        font-size: 24px;
        margin-bottom: 8px;
    }
    
    .banner-text p {
        font-size: 14px;
    }
    
    /* 调整标题大小 */
    .section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    /* 调整首页内容为单列 */
    .about-content {
        flex-direction: column;
        gap: 30px;
    }
    
    /* 调整页脚为1列 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 调整特性网格为1列 */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 调整筛选按钮布局 */
    .products-filter {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    /* 调整职位头部为单列 */
    .job-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    /* 调整职位信息为单列 */
    .job-info {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    /* 调整产品规格为单列 */
    .product-info .specs ul li {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    /* 调整移动端字体大小 */
    body {
        font-size: 15px;
    }
    
    /* 调整移动端标题字体大小 */
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    h3 {
        font-size: 20px;
    }
    
    h4 {
        font-size: 18px;
    }
    
    /* 调整移动端分类标题大小 */
    .category-title {
        font-size: 17px;
    }
    
    /* 调整移动端导航链接大小 */
    nav ul li a {
        font-size: 15px;
    }
    
    /* 调整移动端logo大小 */
    .logo {
        font-size: 22px;
    }
    
    /* 调整移动端产品标题大小 */
    .product-info h3 {
        font-size: 19px;
    }
    
    /* 调整移动端新闻标题大小 */
    .news-info h3 {
        font-size: 19px;
    }
    
    /* 调整移动端职位标题大小 */
    .job-title {
        font-size: 19px;
    }
    
    /* 调整移动端页脚标题大小 */
    .footer-section h3 {
        font-size: 19px;
    }
    
    /* 调整移动端文本间距 */
    .section {
        padding: 50px 0;
    }
    
    /* 调整移动端内容间距 */
    .page-content {
        margin-top: 20px;
        gap: 20px;
    }
    
    /* 调整移动端分类侧边栏内边距 */
    .category-sidebar,
    .home-category-sidebar,
    .product-section {
        padding: 18px;
    }
    
    /* 调整移动端分类项内边距 */
    .category-item > a,
    .home-category-item > a {
        padding: 12px;
    }
    
    /* 调整移动端子分类项内边距 */
    .subcategory-item a,
    .home-subcategory-item a {
        padding: 10px;
    }
    
    /* 调整移动端产品项内边距 */
    .product-info {
        padding: 18px;
    }
    
    /* 调整移动端新闻项内边距 */
    .news-info {
        padding: 18px;
    }
    
    /* 调整移动端职位项内边距 */
    .job-item {
        padding: 20px;
    }
    
    /* 调整移动端技术支持项内边距 */
    .support-item {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    /* 小屏移动端样式 */
    /* 调整内边距和外边距 */
    .section {
        padding: 30px 0;
    }
    
    /* 调整分类侧边栏内边距 */
    .category-sidebar,
    .home-category-sidebar,
    .product-section {
        padding: 15px;
    }
    
    /* 调整产品详情内边距 */
    .product-detail {
        padding: 18px;
    }
    
    /* 调整联系表单内边距 */
    .contact-form {
        padding: 18px;
    }
    
    /* 调整技术支持项内边距 */
    .support-item {
        padding: 18px;
    }
    
    /* 调整职位项内边距 */
    .job-item {
        padding: 18px;
    }
    
    /* 调整按钮大小 */
    .btn {
        padding: 10px 18px;
        font-size: 15px;
        width: 100%;
        text-align: center;
    }
    
    /* 调整筛选按钮大小 */
    .filter-btn {
        padding: 10px 18px;
        font-size: 15px;
        flex: 1;
        min-width: 100px;
    }
    
    /* 优化移动端图片显示 */
    img {
        max-width: 100%;
        height: auto;
    }
    
    /* 调整产品图片大小 */
    .product-item img {
        height: auto;
        min-height: 120px;
    }
    
    /* 调整新闻图片大小 */
    .news-item img {
        height: auto;
        min-height: 120px;
    }
    
    /* 调整相关产品图片大小 */
    .related-product-item img {
        height: auto;
        min-height: 100px;
    }
    
    /* 优化表单元素在移动端的显示 */
    .form-group input,
    .form-group textarea {
        padding: 14px;
        font-size: 17px;
    }
    
    /* 优化文本内容在移动端的显示 */
    p {
        line-height: 1.8;
        margin-bottom: 15px;
        font-size: 15px;
    }
    
    /* 调整移动端列表样式 */
    ul, ol {
        margin-left: 18px;
        margin-bottom: 15px;
    }
    
    li {
        margin-bottom: 12px;
        line-height: 1.7;
        font-size: 15px;
    }
    
    /* 调整移动端标题间距 */
    h1, h2, h3, h4, h5, h6 {
        margin-bottom: 15px;
    }
    
    /* 调整小屏移动端标题大小 */
    h1 {
        font-size: 24px;
    }
    
    h2 {
        font-size: 22px;
    }
    
    h3 {
        font-size: 19px;
    }
    
    h4 {
        font-size: 17px;
    }
    
    /* 调整移动端缩略图大小 */
    .thumbnail-images img {
        width: 55px;
        height: 55px;
    }
    
    /* 调整移动端地图大小 */
    .map {
        height: 250px;
    }
    
    /* 调整移动端分类侧边栏标题大小 */
    .category-title {
        font-size: 16px;
    }
    
    /* 调整移动端logo大小 */
    .logo {
        font-size: 20px;
    }
    
    /* 调整移动端横幅文字大小 */
    .banner-text h1 {
        font-size: 22px;
    }
    
    .banner-text p {
        font-size: 14px;
    }
    
    /* 调整移动端section标题大小 */
    .section-title {
        font-size: 22px;
        margin-bottom: 25px;
    }
    
    /* 调整移动端页脚文字大小 */
    .footer-section p {
        font-size: 14px;
    }
    
    .footer-section ul li a {
        font-size: 14px;
    }
    
    .footer-bottom p {
        font-size: 13px;
    }
}