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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}
.logo img {
    height: 50px;
    margin-right: 10px;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部信息栏 */
.top-info {
    background-color: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    padding: 10px 0;
    transition: all 0.3s ease;
}

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

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

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

.contact i {
    margin-right: 5px;
    color: #0066cc;
}

/* 导航栏 */
.navbar {
    background: linear-gradient(to bottom, #f6f6f7 0%, #f6f7fd 100%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1000;
    transition: all 0.3s ease;


    
}

.navbar.fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.navbar.fixed .top-info {
    display: none;
}

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

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

.logo i {
    font-size: 32px;
    color: #0066cc;
}

.logo span {
    font-size: 24px;
    font-weight: bold;
    color: #000000;
}

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

.nav-menu li {
    margin-left: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #000000;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #1a01ff;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #1a01ff;
}

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

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 200px;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

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

/* 手机端下拉菜单 */
@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: 1px solid #e9ecef;
        border-radius: 0;
        margin-top: 10px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .dropdown.active .dropdown-menu {
        max-height: 500px;
    }
    
    .dropdown-toggle i {
        transition: transform 0.3s ease;
    }
    
    .dropdown.active .dropdown-toggle i {
        transform: rotate(180deg);
    }
    .nav-menu a{color: #333;}
        .nav-menu a:hover{color: #333;}
        .nav-menu a.active{color: #333;}
        .nav-menu .dropdown-menu a{color: #333;}
        .nav-menu .dropdown-menu a:hover{color: #333;}
        .nav-menu .dropdown-toggle{color: #333;}
        .nav-menu .dropdown-toggle:hover{color: #333;}
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid #f0f0f0;
}

.dropdown-menu a:hover {
    background-color: #f0f8ff;
    color: #0066cc;
    padding-left: 25px;
}

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

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    color: #fff;
    cursor: pointer;
}

/* 幻灯片 */
.slider {
    position: relative;
    height: 420px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 10;
}

.slide-content h2 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content p {
    font-size: 20px;
    margin-bottom: 30px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #0066cc;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #0052a3;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 20;
}

.slider-controls button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    color: #fff;
    border: none;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-controls button:hover {
    background-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 20;
}

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

.dot.active {
    background-color: #fff;
    transform: scale(1.2);
}

/* 滚动动画 */
.animate-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.animate-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.animate-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.animated {
    opacity: 1;
    transform: translateX(0) translateY(0);
}

/* 通用section样式 */
section {
    padding: 0px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #0066cc;
}

.section-header p {
    font-size: 16px;
    color: #666;
    margin-top: 20px;
}

.ly_pdbd_20{padding: 20px 0;}
/* 关于我们 */
.about {
    background-color: #f9f9f9;
    padding: 20px 0;
}

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

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

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

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 产品展示 */
.products {
    background-color: #fff;
}

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

/* 响应式设计 */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

.product-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

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

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

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

.product-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

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

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

.product-info h3 a:hover {
    color: #0066cc;
    transform: translateX(5px);
}

.product-info h3 a:active {
    color: #0052a3;
    transform: translateX(3px);
}

.product-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: auto;
    padding-bottom: 20px;
}

.product-info .btn {
    font-size: 14px;
    padding: 8px 20px;
    align-self: flex-end;
    transition: all 0.2s ease;
}

.product-info .btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 新闻中心 */
.news {
    background-color: #f9f9f9;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

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

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

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

.news-info {
    padding: 20px;
}

.news-date {
    font-size: 12px;
    color: #999;
    margin-bottom: 10px;
    display: block;
}

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

.news-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.news-info .btn {
    font-size: 14px;
    padding: 8px 20px;
}

/* 客户服务 */
.service {
    background-color: #fff;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-item {
    text-align: center;
    padding: 40px 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    background-color: #f0f8ff;
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: #e6f0ff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.service-item:hover .service-icon {
    background-color: #0066cc;
    transform: scale(1.1);
}

.service-icon i {
    font-size: 32px;
    color: #0066cc;
    transition: all 0.3s ease;
}

.service-item:hover .service-icon i {
    color: #fff;
}

.service-item h3 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.service-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

.service-contact {
    font-size: 14px;
    color: #0066cc;
    font-weight: 500;
}

/* 面包屑导航 */
.breadcrumb {
    background-color: #f9f9f9;
    padding: 20px 0;
    border-bottom: 1px solid #e9ecef;
}

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

.breadcrumb li {
    margin-right: 10px;
    font-size: 14px;
}

.breadcrumb li a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb li a:hover {
    color: #0066cc;
}

.breadcrumb li span {
    color: #0066cc;
}

.breadcrumb li:not(:last-child)::after {
    content: '>';
    margin-left: 10px;
    color: #999;
}

/* 新面包屑导航样式 */
.breadcrumb-nav {
    font-size: 14px;
    color: #666;
    margin: 0;
    padding: 0;
}

.breadcrumb-nav a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
    margin: 0 5px;
}

.breadcrumb-nav a:first-child {
    margin-left: 0;
}

.breadcrumb-nav a:hover {
    color: #0066cc;
}

.breadcrumb-nav span {
    color: #0066cc;
    margin-left: 5px;
}

/* 关于我们页面样式 */
.about-page {
    padding: 60px 0;
}

.about-section {
    margin-bottom: 80px;
}

.about-content h3 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

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

.timeline-section {
    margin-bottom: 80px;
}

.section-title {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: #0066cc;
}

.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 2px;
    background-color: #e9ecef;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 5px;
    left: -10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #0066cc;
    border: 4px solid #e6f0ff;
}

.timeline-year {
    font-size: 18px;
    font-weight: bold;
    color: #0066cc;
    margin-bottom: 10px;
}

.timeline-content h4 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

.certificate-section {
    margin-bottom: 80px;
}

.certificate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

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

.certificate-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.culture-section {
    margin-bottom: 80px;
}

.culture-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.culture-item {
    text-align: center;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background-color: #f0f8ff;
}

.culture-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #e6f0ff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.culture-item:hover .culture-icon {
    background-color: #0066cc;
    transform: scale(1.1);
}

.culture-icon i {
    font-size: 24px;
    color: #0066cc;
    transition: all 0.3s ease;
}

.culture-item:hover .culture-icon i {
    color: #fff;
}

.culture-item h4 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

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

.team-section {
    margin-bottom: 40px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.team-member {
    text-align: center;
}

.team-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.team-info h4 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.team-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 5px;
}

/* 产品展示页面样式 */
.products-page {
    padding: 60px 0;
}

.product-categories {
    margin-bottom: 40px;
    text-align: center;
}

.product-categories ul {
    display: inline-flex;
    list-style: none;
    background-color: #f9f9f9;
    border-radius: 4px;
    padding: 5px;
}

.product-categories li {
    margin: 0 5px;
}

.product-categories a {
    display: block;
    padding: 10px 20px;
    color: #666;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.product-categories a:hover,
.product-categories a.active {
    background-color: #0066cc;
    color: #fff;
}

.pagination {
    margin-top: 60px;
    text-align: center;
}

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

.pagination li {
    margin: 0 5px;
}

.pagination a {
    display: block;
    padding: 10px 15px;
    color: #666;
    text-decoration: none;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.pagination a:hover,
.pagination a.active {
    background-color: #0066cc;
    color: #fff;
    border-color: #0066cc;
}

/* 产品详情页面样式 */
.product-detail {
    padding: 60px 0;
}

.product-detail-content {
    display: flex;
    gap: 60px;
    margin-bottom: 80px;
}

.product-images {
    flex: 1;
}

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

.main-image img {
    width: 100%;
    height: auto;
}

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

.thumbnail-images img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.product-info-detail {
    flex: 1;
}

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

.product-meta {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e9ecef;
}

.product-category,
.product-code {
    font-size: 14px;
    color: #666;
}

.product-category a {
    color: #0066cc;
    text-decoration: none;
    transition: all 0.3s ease;
    margin: 0 5px;
}

.product-category a:first-child {
    margin-left: 0;
}

.product-category a:hover {
    color: #0052a3;
    text-decoration: underline;
}

.product-description,
.product-specs {
    margin-bottom: 30px;
}

.product-description h3,
.product-specs h3 {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

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

.product-description ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 20px;
}

.product-description li {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 10px;
}

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

.product-specs table tr {
    border-bottom: 1px solid #e9ecef;
}

.product-specs table td {
    padding: 12px 15px;
    font-size: 16px;
    color: #666;
}

.product-specs table tr:nth-child(odd) {
    background-color: #f9f9f9;
}

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

.btn-outline {
    background-color: transparent;
    color: #0066cc;
    border: 1px solid #0066cc;
}

.btn-outline:hover {
    background-color: #0066cc;
    color: #fff;
}

.product-details-full {
    margin-bottom: 80px;
}

.detail-tabs {
    margin-bottom: 40px;
    border-bottom: 1px solid #e9ecef;
}

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

.detail-tabs li {
    margin-right: 20px;
}

.detail-tabs a {
    display: block;
    padding: 15px 0;
    color: #666;
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.detail-tabs a:hover,
.detail-tabs a.active {
    color: #0066cc;
    border-bottom-color: #0066cc;
}

.detail-content h3 {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

.detail-content h4 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    margin-top: 30px;
}

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

.detail-content ul,
.detail-content ol {
    padding-left: 20px;
    margin-bottom: 20px;
}

.detail-content li {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 10px;
}

.detail-content ul {
    list-style: disc;
}

.detail-content ol {
    list-style: decimal;
}

.detail-content blockquote {
    margin: 30px 0;
    padding: 20px;
    background-color: #f9f9f9;
    border-left: 4px solid #0066cc;
    font-style: italic;
}

.detail-image {
    margin: 30px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.detail-image img {
    width: 100%;
    height: auto;
}

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

/* 新闻中心页面样式 */
.news-page {
    padding: 60px 0;
}

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

.news-categories ul {
    display: inline-flex;
    list-style: none;
    background-color: #f9f9f9;
    border-radius: 4px;
    padding: 5px;
}

.news-categories li {
    margin: 0 5px;
}

.news-categories a {
    display: block;
    padding: 10px 20px;
    color: #666;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.news-categories a:hover,
.news-categories a.active {
    background-color: #0066cc;
    color: #fff;
}

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

.news-list .news-item {
    display: flex;
    align-items: stretch;
    gap: 30px;
    margin-bottom: 40px;
    /* padding-bottom: 40px; */
    border-bottom: 1px solid #e9ecef;
}

.news-list .news-image {
    flex: 0 0 300px;
    height: 100%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.news-list .news-info {
    flex: 1;
}

.news-list .news-info h3 {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

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

.news-list .news-info h3 a:hover {
    color: #0066cc;
}

.news-list .news-date {
    font-size: 14px;
    color: #999;
    margin-bottom: 15px;
    display: block;
}

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

/* 新闻详情页面样式 */
.news-detail {
    padding: 60px 0;
}

.news-header {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid #e9ecef;
}

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

.news-meta {
    display: flex;
    gap: 30px;
}

.news-date,
.news-category,
.news-view {
    font-size: 14px;
    color: #666;
}

.news-date i,
.news-category i,
.news-view i {
    margin-right: 5px;
    color: #0066cc;
}

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

.news-content .news-image {
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.news-content .news-image img {
    width: 100%;
    height: auto;
}

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

.news-content h3 {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    margin-top: 30px;
}

.news-content ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 20px;
}

.news-content li {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 10px;
}

.news-content blockquote {
    margin: 30px 0;
    padding: 20px;
    background-color: #f9f9f9;
    border-left: 4px solid #0066cc;
    font-style: italic;
}

.news-share {
    margin-bottom: 40px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

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

.share-buttons {
    display: flex;
    gap: 20px;
}

.share-buttons a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background-color: #fff;
    color: #666;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.share-buttons a:hover {
    background-color: #0066cc;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.share-buttons i {
    font-size: 16px;
}

.news-navigation {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.prev-news a,
.next-news a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
}

.prev-news a:hover,
.next-news a:hover {
    color: #0066cc;
}

.prev-news i {
    margin-right: 10px;
}

.next-news i {
    margin-left: 10px;
}

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

.related-news-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.related-news-item:hover {
    background-color: #e6f0ff;
    transform: translateX(10px);
}

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

.related-news-item a:hover {
    color: #0066cc;
}

.related-news-item span {
    font-size: 12px;
    color: #999;
}

/* 客户服务页面样式 */
.service-page {
    padding: 60px 0;
}

.service-philosophy {
    display: flex;
    gap: 60px;
    margin-bottom: 80px;
    align-items: center;
}

.philosophy-content {
    flex: 1;
}

.philosophy-content h3 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

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

.philosophy-image {
    flex: 1;
}

.philosophy-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.service-items {
    margin-bottom: 80px;
}

.service-process {
    margin-bottom: 80px;
}

.process-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.process-step {
    flex: 1;
    min-width: 180px;
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #0066cc;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.process-step:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.4);
}

.step-content h4 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.step-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.process-arrow {
    color: #999;
    font-size: 20px;
}

.faq-section {
    margin-bottom: 80px;
}

.faq-item {
    margin-bottom: 10px;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: #f9f9f9;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: #e6f0ff;
}

.faq-question h4 {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin: 0;
}

.faq-question i {
    font-size: 16px;
    color: #666;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.faq-answer p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin: 0;
}

.service-commitment {
    margin-bottom: 40px;
}

.commitment-content ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.commitment-content li {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.commitment-content li:hover {
    transform: translateY(-10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background-color: #f0f8ff;
}

.commitment-content i {
    font-size: 32px;
    color: #0066cc;
    margin-bottom: 20px;
}

.commitment-content h4 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.commitment-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 联系我们页面样式 */
.contact-page {
    padding: 60px 0;
}

.contact-info {
    margin-bottom: 80px;
}

.contact-details,
.contact-details-full {
    width: 100%;
}

.contact-details h3,
.contact-details-full h3 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-card:hover {
    background-color: #e6f0ff;
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: #e6f0ff;
    border-radius: 50%;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 20px;
    color: #0066cc;
}

.contact-text h4 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.contact-text p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.contact-details .social-links,
.contact-details-full .social-links {
    display: flex;
    gap: 20px;
}

.contact-details .social-links a,
.contact-details-full .social-links a {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #e6f0ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0066cc;
    font-size: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-details .social-links a:hover,
.contact-details-full .social-links a:hover {
    background-color: #0066cc;
    color: #fff;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.4);
}

.contact-form-section {
    margin-bottom: 80px;
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 14px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.form-group input,
.form-group textarea {
    padding: 15px;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    font-size: 16px;
    color: #333;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

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

.contact-faq {
    margin-bottom: 40px;
}

/* 网站底部 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: #0066cc;
}

.footer-section p {
    font-size: 14px;
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 16px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-links a:hover {
    background-color: #0066cc;
    transform: translateY(-5px);
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #0066cc;
    padding-left: 5px;
}

.footer-section ul li i {
    margin-right: 10px;
    color: #0066cc;
    font-size: 12px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 14px;
    color: #ccc;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .slide-content h2 {
        font-size: 36px;
    }
    
    .slide-content p {
        font-size: 18px;
    }
}

@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .about-text,
    .about-image {
        flex: none;
        width: 100%;
    }
    
    .about-image {
        margin-top: 40px;
    }
    
    .slider {
        height: 500px;
    }
}

@media (max-width: 768px) {
    .top-info-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: #fff;
        box-shadow: -2px 0 4px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1001;
        padding: 80px 20px 20px;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-menu li {
        margin-left: 0;
    }
    
    .mobile-menu-btn {
        display: block;
        z-index: 1002;
    }
    
    .slider {
        height: 400px;
    }
    
    .slide-content h2 {
        font-size: 28px;
    }
    
    .slide-content p {
        font-size: 16px;
    }
    
    .slider-controls {
        padding: 0 20px;
    }
    
    .slider-controls button {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    section {
        padding: 0px 0;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    /* 新闻中心页面响应式样式 */
    .news-list .news-item {
        flex-direction: column;
        gap: 20px;
    }
    
    .news-list .news-image {
        flex: none;
        width: 100%;
        max-width: 100%;
    }
    
    .news-categories ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .news-categories li {
        margin: 5px;
    }
    
    .news-categories a {
        padding: 8px 15px;
        font-size: 14px;
    }
    
    .breadcrumb ul {
        flex-wrap: wrap;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 576px) {
    .slider {
        height: 300px;
    }
    
    .slide-content h2 {
        font-size: 24px;
    }
    
    .slide-content p {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .section-header p {
        font-size: 14px;
    }
    
    .service-item {
        padding: 30px 15px;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: 24px;
    }
}

/* 新闻标题链接样式 */
.news-title-link {
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.news-title-link:hover {
    color: #0066cc;
    transform: translateX(5px);
}

.news-title-link:active {
    color: #0052a3;
    transform: translateX(3px);
}
/*新增样式*/
.breadcrumb-main {
    height: 25vh;
    min-height: 200px;
    max-height: 400px;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.breadcrumb-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.breadcrumb-img {
    width: 100%;
    height: auto;
    min-height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* 产品详情页面手机端响应式样式 */
@media (max-width: 768px) {
    .product-detail-content {
        flex-direction: column;
    }
    
    .product-info-detail {
        margin-top: 30px;
    }
}

/* 在不同屏幕尺寸下调整背景图片的显示 */
@media (max-width: 768px) {
    .breadcrumb-main {
        height: 20vh;
        min-height: 150px;
    }
    
    .breadcrumb-img {
        width: auto;
        height: 100%;
        min-width: 100%;
    }
}

.copyright {
    font-size: 14px;
    color: #ccc;
    text-align: center;
    margin-top: 20px;
}
.copyright a {
    color: #ccc;
    text-decoration: none;
    transition: all 0.3s ease;
}
.copyright a:hover {
    color: #0052a3;
}