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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮样式 */
.btn-primary {
    display: inline-block;
    padding: 12px 24px;
    background-color: #333;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #555;
}

.btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    background-color: #f0f0f0;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background-color: #e0e0e0;
}

/* 头部样式 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.logo a {
    text-decoration: none;
    color: inherit;
}

.navigation ul {
    display: flex;
    list-style: none;
}

.navigation li {
    margin-left: 30px;
}

.navigation a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: color 0.3s ease;
}

.navigation a:hover,
.navigation a.active {
    color: #555;
}

.search-box {
    display: flex;
}

.search-box input {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    outline: none;
}

.search-box button {
    padding: 10px 15px;
    background-color: #333;
    color: #fff;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}

/* 横幅样式 */
.banner {
    position: relative;
    overflow: hidden;
    height: 600px;
}

.banner-slider {
    width: 100%;
    height: 100%;
}

.slide {
    position: relative;
    width: 100%;
    height: 100%;
}

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

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.slide-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.slide-content p {
    font-size: 20px;
    margin-bottom: 30px;
}

/* 产品分类样式 */
.products-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.products-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #2c3e50;
    position: relative;
}

.products-section h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: #3498db;
}

.product-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.category-item {
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.category-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

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

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

.category-content {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.category-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 600;
}

.category-item p {
    margin-bottom: 25px;
    color: #7f8c8d;
    line-height: 1.6;
    flex: 1;
}

.category-item .btn-secondary {
    align-self: flex-start;
    padding: 12px 24px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.category-item .btn-secondary:hover {
    background-color: #2980b9;
}

/* 公司介绍样式 */
.about-section {
    padding: 80px 0;
    background-color: #f5f5f5;
}

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

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #333;
}

.about-text p {
    font-size: 16px;
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
}

/* 新闻样式 */
.news-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.news-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #2c3e50;
    position: relative;
}

.news-section h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: #3498db;
}

.news-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.news-item {
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.news-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

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

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

.news-content {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.4;
}

.news-content h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-content h3 a:hover {
    color: #3498db;
    text-decoration: none;
}

.news-content .date {
    font-size: 14px;
    color: #7f8c8d;
    margin-bottom: 20px;
    font-style: italic;
}

.news-content p {
    font-size: 15px;
    margin-bottom: 25px;
    color: #666;
    line-height: 1.6;
    flex: 1;
}

.news-content .read-more {
    display: inline-block;
    padding: 12px 24px;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.3s ease;
    align-self: flex-start;
}

.news-content .read-more:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

/* 联系方式样式 */
.contact-section {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.contact-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.contact-content {
    display: flex;
    gap: 60px;
}

.contact-info {
    flex: 1;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    gap: 20px;
}

.info-item i {
    font-size: 24px;
    color: #333;
    margin-top: 5px;
}

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

.info-item p {
    color: #666;
}

.contact-form {
    flex: 1;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    outline: none;
    font-size: 16px;
}

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

/* 页脚样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-section p {
    margin-bottom: 20px;
    color: #ccc;
    line-height: 1.6;
}

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

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

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #fff;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background-color: #444;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background-color: #555;
}

.newsletter-form {
    display: flex;
}

.newsletter-form input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 4px 0 0 4px;
    outline: none;
}

.newsletter-form button {
    padding: 10px 15px;
    background-color: #555;
    color: #fff;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.newsletter-form button:hover {
    background-color: #666;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
    color: #ccc;
}

/* 页面标题样式 */
.page-header {
    background-color: #f5f5f5;
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 10px;
    color: #333;
}

.page-header p {
    font-size: 18px;
    color: #666;
}

/* 面包屑导航样式 */
.breadcrumb {
    padding: 20px 0;
    background-color: #f9f9f9;
}

.breadcrumb ul {
    display: flex;
    list-style: none;
}

.breadcrumb li {
    margin-right: 10px;
    color: #666;
}

.breadcrumb li:not(:last-child)::after {
    content: ">";
    margin-left: 10px;
}

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

.breadcrumb a:hover {
    color: #555;
}

/* 产品列表样式 */
.product-filter {
    padding: 30px 0;
    background-color: #fff;
    border-bottom: 1px solid #ddd;
}

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

.filter-btn {
    padding: 10px 20px;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: #333;
    color: #fff;
    border-color: #333;
}

/* 高级筛选和排序样式 */
.advanced-filter {
    padding: 30px 0;
    background-color: #f9f9f9;
    border-bottom: 1px solid #ddd;
}

.filter-sort-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.advanced-filter-options {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

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

.filter-group label {
    font-weight: bold;
    color: #333;
    white-space: nowrap;
}

.filter-group select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
    font-size: 14px;
    color: #333;
    cursor: pointer;
}

.filter-group select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}

.apply-filter {
    padding: 8px 20px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.apply-filter:hover {
    background-color: #2980b9;
}

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

.sort-options label {
    font-weight: bold;
    color: #333;
}

.sort-options select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
    font-size: 14px;
    color: #333;
    cursor: pointer;
}

.sort-options select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}

.product-list {
    padding: 60px 0;
    background-color: #fff;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

.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-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.view-details {
    padding: 10px 20px;
    background-color: #fff;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.view-details:hover {
    background-color: #f0f0f0;
}

.product-info {
    padding: 20px;
}

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

.product-info h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-info h3 a:hover {
    color: #555;
}

.product-info p {
    margin-bottom: 15px;
    color: #666;
    font-size: 14px;
}

.product-price {
    font-size: 18px;
    font-weight: bold;
    color: #333;
}

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

.pagination a {
    padding: 10px 15px;
    background-color: #f0f0f0;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.pagination a:hover,
.pagination a.active {
    background-color: #333;
    color: #fff;
}

/* 新闻列表样式 */
.news-list {
    padding: 60px 0;
    background-color: #fff;
}

.news-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-list .news-item {
    display: flex !important;
    flex-direction: row !important;
    gap: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-list .news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.news-list .news-date {
    flex: 0 0 100px;
    background-color: #333;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.news-list .news-date .day {
    font-size: 36px;
    font-weight: bold;
}

.news-list .news-date .month {
    font-size: 18px;
    margin: 10px 0;
}

.news-list .news-date .year {
    font-size: 14px;
    color: #ccc;
}

.news-list .news-content {
    flex: 1;
    padding: 20px;
}

.news-summary {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

/* About页面样式 */
.company-profile {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.profile-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.profile-image {
    flex: 1;
}

.profile-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
}

.profile-text {
    flex: 1;
}

.profile-text h2 {
    font-size: 32px;
    margin-bottom: 30px;
    color: #333;
}

.profile-text p {
    font-size: 16px;
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.company-stats {
    display: flex;
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.stat-item i {
    font-size: 32px;
    color: #333;
}

.stat-item h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

.mission-section {
    padding: 80px 0;
    background-color: #fff;
}

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

.mission-item {
    text-align: center;
    padding: 40px;
    background-color: #f9f9f9;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

.mission-item i {
    font-size: 48px;
    color: #333;
    margin-bottom: 20px;
}

.mission-item h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

.mission-item p {
    color: #666;
    line-height: 1.6;
}

.history-section {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.history-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 60px;
    color: #333;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: #ddd;
}

.timeline-item {
    display: flex;
    margin-bottom: 60px;
    position: relative;
}

.timeline-date {
    flex: 0 0 150px;
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: bold;
    text-align: center;
    margin-right: 30px;
}

.timeline-content {
    flex: 1;
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.timeline-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

.team-section {
    padding: 80px 0;
    background-color: #fff;
}

.team-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 60px;
    color: #333;
}

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

.team-member {
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.team-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.team-info {
    padding: 20px;
}

.team-info h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #333;
}

.team-info p {
    margin-bottom: 15px;
    color: #666;
    font-size: 14px;
}

.team-info .social-links {
    display: flex;
    gap: 10px;
}

.team-info .social-links a {
    display: inline-block;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    background-color: #333;
    color: #fff;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.team-info .social-links a:hover {
    background-color: #555;
}

.certifications-section {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.certifications-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 60px;
    color: #333;
}

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

.certification-item {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.certification-item i {
    font-size: 48px;
    color: #333;
    margin-bottom: 20px;
}

.certification-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.certification-item p {
    color: #666;
}

.testimonials-section {
    padding: 80px 0;
    background-color: #fff;
}

.testimonials-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 60px;
    color: #333;
}

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

.testimonial-item {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.testimonial-content p {
    color: #666;
    line-height: 1.6;
    font-style: italic;
}

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

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

.testimonial-author h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #333;
}

.testimonial-author p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* 产品详情样式 */
.product-detail {
    padding: 60px 0;
    background-color: #fff;
}

.product-content {
    display: flex;
    gap: 60px;
    margin-bottom: 60px;
}

.product-gallery {
    flex: 1;
}

.main-image {
    margin-bottom: 20px;
}

.main-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 8px;
}

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

.thumbnail-images img {
    width: calc(25% - 7.5px);
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.thumbnail-images img:hover {
    opacity: 0.8;
}

.product-info {
    flex: 1;
}

.product-info h1 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
}

.product-rating {
    margin-bottom: 20px;
}

.product-rating i {
    color: #ffc107;
    margin-right: 5px;
}

.product-rating span {
    margin-left: 10px;
    color: #666;
}

.product-description {
    margin-bottom: 30px;
    color: #666;
    line-height: 1.6;
}

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

.product-features h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.product-features ul {
    list-style: none;
}

.product-features li {
    margin-bottom: 10px;
    color: #666;
    display: flex;
    align-items: center;
}

.product-features i {
    color: #333;
    margin-right: 10px;
}

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

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

.quantity input {
    width: 60px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
}

.product-specifications {
    margin-bottom: 60px;
}

.product-specifications h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
}

.specs-table table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th,
.specs-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.specs-table th {
    background-color: #f9f9f9;
    font-weight: bold;
    color: #333;
}

.product-full-description {
    margin-bottom: 60px;
}

.product-full-description h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
}

.product-full-description p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

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

.related-products h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
}

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

/* 联系信息区域样式 */
.contact-info-section {
    padding: 60px 0;
    background-color: #f5f5f5;
}

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

.contact-info-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.info-icon {
    width: 60px;
    height: 60px;
    background-color: #333;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
}

.contact-form-section {
    padding: 60px 0;
    background-color: #fff;
}

.contact-form-content {
    display: flex;
    gap: 60px;
}

.form-side {
    flex: 1;
}

.form-side h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.form-side p {
    margin-bottom: 30px;
    color: #666;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row .form-group {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
}

.map-side {
    flex: 1;
}

.map-side h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.map-container {
    margin-bottom: 30px;
    border-radius: 8px;
    overflow: hidden;
}

.map-container img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.map-info h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.map-info p {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.6;
}

/* 宣传联系方式板块样式 */
.promotion-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.promotion-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

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

.promotion-item {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.promotion-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.promotion-item a {
    text-decoration: none;
    color: inherit;
}

.promotion-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.promotion-item p {
    font-size: 16px;
    color: #666;
}

/* 折柒网特殊样式 */
.zhe7-item {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.zhe7-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="%23ffffff" fill-opacity="0.1" d="M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z"></path></svg>');
    z-index: 1;
}

.zhe7-item a {
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.zhe7-item h3 {
    font-size: 28px;
    font-weight: bold;
    color: #2c3e50;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 10px;
}

.zhe7-item p {
    font-size: 18px;
    color: #34495e;
    font-weight: 500;
    letter-spacing: 1px;
}

.zhe7-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.zhe7-item:hover h3 {
    color: #3498db;
    transform: scale(1.05);
}

.zhe7-item:hover p {
    color: #2980b9;
}

/* 固定在右侧的联系信息板块样式 */
.fixed-contact {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.fixed-contact-item {
    position: relative;
    width: 60px;
    height: 60px;
    background-color: #333;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.fixed-contact-item:hover {
    background-color: #555;
    transform: translateX(-10px);
}

.contact-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #333;
    color: #fff;
    padding: 10px 15px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.contact-tooltip::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent transparent #333;
}

.fixed-contact-item:hover .contact-tooltip {
    opacity: 1;
    visibility: visible;
    right: 70px;
}

.contact-tooltip h4 {
    font-size: 14px;
    margin-bottom: 5px;
    font-weight: bold;
}

.contact-tooltip p {
    font-size: 14px;
    margin: 0;
}

/* News Detail页面样式 */
.news-detail {
    padding: 60px 0;
    background-color: #fff;
}

.news-detail-content {
    max-width: 1000px;
    margin: 0 auto;
}

.news-header {
    margin-bottom: 40px;
    text-align: center;
}

.news-header h1 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
}

.news-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    color: #666;
    font-size: 14px;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.news-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 8px;
}

.news-body {
    margin-bottom: 60px;
}

.news-body h2 {
    font-size: 24px;
    margin: 40px 0 20px;
    color: #333;
}

.news-body p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.news-body ul {
    margin-bottom: 30px;
    padding-left: 20px;
}

.news-body li {
    margin-bottom: 10px;
    color: #666;
    line-height: 1.6;
}

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

.product-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

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

.product-info {
    padding: 20px;
}

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

.product-info p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

.news-share {
    margin-bottom: 60px;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.news-share h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #333;
}

.news-share .social-links {
    display: flex;
    gap: 15px;
}

.news-share .social-links a {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 20px;
    background-color: #333;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.news-share .social-links a:hover {
    background-color: #555;
}

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

.related-news h3 {
    font-size: 20px;
    margin-bottom: 30px;
    color: #333;
}

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

.related-grid .news-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

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

.related-grid .news-content {
    padding: 20px;
}

.related-grid .news-content h4 {
    font-size: 16px;
    margin-bottom: 10px;
}

.related-grid .news-content h4 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.related-grid .news-content h4 a:hover {
    color: #555;
}

.related-grid .news-content .date {
    font-size: 12px;
    color: #666;
}

/* 去除A标签里的标题颜色和下划线 */
.news-body a {
    color: inherit;
    text-decoration: none;
    border-bottom: none;
}

.news-body a:hover {
    color: #333;
    text-decoration: underline;
}

/* 确保新闻详情中所有A标签的标题都没有颜色和下划线 */
.news-detail a {
    color: inherit;
    text-decoration: none;
    border-bottom: none;
}

.news-detail a:hover {
    color: #333;
    text-decoration: underline;
}

/* 特别处理相关新闻中的A标签 */
.related-grid .news-content h4 a {
    color: inherit;
    text-decoration: none;
    border-bottom: none;
}

.related-grid .news-content h4 a:hover {
    color: #3498db;
    text-decoration: none;
}

/* 客户评价展示样式 */
.testimonials-section {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.testimonials-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
    position: relative;
}

.testimonials-section h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: #3498db;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

.testimonial-content p {
    color: #666;
    line-height: 1.6;
    font-style: italic;
    font-size: 15px;
}

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

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

.testimonial-author h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #333;
}

.testimonial-author p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* 数据统计展示样式 */
.stats-section {
    padding: 80px 0;
    background-color: #3498db;
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.stat-content h3 {
    font-size: 36px;
    font-weight: bold;
    margin: 0;
}

.stat-content p {
    font-size: 16px;
    margin: 0;
    opacity: 0.9;
}

/* 常见问题样式 */
.faq-section {
    padding: 60px 0;
    background-color: #f5f5f5;
}

.faq-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.faq-items {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.faq-question {
    width: 100%;
    padding: 20px;
    background-color: #fff;
    border: none;
    text-align: left;
    font-size: 18px;
    font-weight: bold;
    color: #333;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f9f9f9;
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 20px;
    background-color: #f9f9f9;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer p {
    padding: 20px 0;
    color: #666;
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 20px 20px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}