/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    background-color: #1a6bb3;
    color: white;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn:hover {
    background-color: #0d5a9d;
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 30px;
    font-size: 18px;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid #1a6bb3;
    color: #1a6bb3;
}

.btn-outline:hover {
    background-color: #1a6bb3;
    color: white;
}

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

.section-title h2 {
    font-size: 32px;
    color: #1a6bb3;
    margin-bottom: 15px;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: #1a6bb3;
    margin: 10px auto 0;
}

.section-title p {
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

/* 头部样式 */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: #1a6bb3;
    color: white;
    padding: 8px 0;
    font-size: 14px;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
}

.header-contact span {
    margin-right: 20px;
}

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

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

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

.logo img {
    height: 90px;
    margin-right: 10px;
}

.logo-text h1 {
    font-size: 24px;
    color: #1a6bb3;
    line-height: 1.2;
}

.logo-text p {
    font-size: 14px;
    color: #666;
}

.nav-menu {
    display: flex;
}

.nav-menu li {
    list-style: none;
    margin-left: 30px;
    position: relative;
}

.nav-menu a {
    font-size: 16px;
    font-weight: 500;
    padding: 5px 0;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #1a6bb3;
}

.nav-menu a.active {
    color: #1a6bb3;
    border-bottom: 2px solid #1a6bb3;
}

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

/* 页面标题横幅 */
.page-banner {
    background: linear-gradient(rgba(26, 107, 179, 0.8), rgba(26, 107, 179, 0.8)), url('/static/images/yemian.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.page-banner h1 {
    font-size: 42px;
    margin-bottom: 20px;
}

.page-banner p {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 20px 0;
    background-color: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

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

.breadcrumb-item {
    margin-right: 10px;
    font-size: 14px;
    color: #666;
}

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

.breadcrumb-item a:hover {
    color: #1a6bb3;
}

.breadcrumb-item.active {
    color: #1a6bb3;
    font-weight: 500;
}

/* 公司简介 */
.company-intro {
    padding: 80px 0;
    background-color: white;
}

.intro-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.intro-text {
    flex: 1;
}

.intro-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #1a6bb3;
}

.intro-text p {
    margin-bottom: 20px;
    color: #555;
}

.intro-features {
    display: flex;
    flex-wrap: wrap;
    margin-top: 30px;
}

.intro-feature {
    flex: 0 0 50%;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
}

.intro-feature-icon {
    width: 50px;
    height: 50px;
    background-color: #e6f2ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: #1a6bb3;
    font-size: 20px;
}

.intro-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.intro-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 发展历程 */
.history {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: #e6f2ff;
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 50px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-content {
    flex: 1;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: 30px;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 30px;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 20px;
    height: 20px;
    background-color: white;
    transform: rotate(45deg);
}

.timeline-item:nth-child(even) .timeline-content::before {
    right: -10px;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    left: -10px;
}

.timeline-year {
    position: absolute;
    top: 20px;
    width: 80px;
    height: 80px;
    background-color: #1a6bb3;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    z-index: 2;
}

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

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

.timeline-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #1a6bb3;
}

/* 企业文化 */
.culture {
    padding: 80px 0;
    background-color: white;
}

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

.culture-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 8px;
    transition: transform 0.3s;
    background-color: #f8f9fa;
}

.culture-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: #e6f2ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a6bb3;
    font-size: 32px;
}

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

.culture-card p {
    color: #666;
}

/* 资质荣誉 */
.certifications {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.cert-item {
    background-color: white;
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

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

.cert-icon {
    font-size: 48px;
    color: #1a6bb3;
    margin-bottom: 20px;
}

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

.cert-item p {
    color: #666;
    font-size: 14px;
}

/* 生产环境 */
.environment {
    padding: 80px 0;
    background-color: white;
}

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

.env-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.env-card:hover {
    transform: translateY(-5px);
}

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

.env-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.env-content {
    padding: 20px;
    background-color: white;
}

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

.env-content p {
    color: #666;
    font-size: 14px;
}

/* 团队介绍 */
.team {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.team-member {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    text-align: center;
}

.team-member:hover {
    transform: translateY(-10px);
}

.member-photo {
    height: 250px;
    overflow: hidden;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.team-member:hover .member-photo img {
    transform: scale(1.1);
}

.member-info {
    padding: 20px;
}

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

.member-info .position {
    color: #1a6bb3;
    margin-bottom: 10px;
    font-weight: 500;
}

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

/* 解决方案概览 */
.solutions-overview {
    padding: 80px 0;
    background-color: white;
}

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

.overview-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.overview-card:hover {
    transform: translateY(-10px);
}

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

.overview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.overview-content {
    padding: 25px;
}

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

.overview-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.overview-link {
    color: #1a6bb3;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.overview-link i {
    margin-left: 5px;
    transition: transform 0.3s;
}

.overview-link:hover i {
    transform: translateX(5px);
}

/* 解决方案详情 */
.solution-detail {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.solution-tabs {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.solution-tab-headers {
    display: flex;
    border-bottom: 1px solid #e9ecef;
    overflow-x: auto;
}

.solution-tab-header {
    padding: 20px 30px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.solution-tab-header.active {
    color: #1a6bb3;
    border-bottom-color: #1a6bb3;
}

.solution-tab-content {
    display: none;
    padding: 40px;
}

.solution-tab-content.active {
    display: block;
}

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

.solution-header h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: #333;
}

.solution-header p {
    color: #666;
    font-size: 16px;
    line-height: 1.7;
}

.solution-content {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.solution-text {
    flex: 1;
}

.solution-text h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #1a6bb3;
}

.solution-text p {
    margin-bottom: 20px;
    color: #555;
    line-height: 1.7;
}

.solution-features {
    margin-top: 30px;
}

.solution-features h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.feature-icon {
    color: #1a6bb3;
    font-size: 16px;
    margin-top: 3px;
    flex-shrink: 0;
}

.feature-text {
    color: #555;
}

.solution-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.solution-image img {
    width: 100%;
    height: auto;
    display: block;
}

.solution-products {
    margin-top: 40px;
}

.solution-products h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #1a6bb3;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.product-item {
    text-align: center;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    transition: transform 0.3s;
}

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

.product-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background-color: #e6f2ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a6bb3;
    font-size: 24px;
}

.product-item h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

.product-item p {
    font-size: 14px;
    color: #666;
}

/* 成功案例 */
.success-cases {
    padding: 80px 0;
    background-color: white;
}

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

.case-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.case-card:hover {
    transform: translateY(-10px);
}

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

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.case-content {
    padding: 25px;
}

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

.case-industry {
    color: #1a6bb3;
    font-size: 14px;
    margin-bottom: 15px;
    font-weight: 500;
}

.case-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.case-results {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    margin-top: 15px;
}

.case-results h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

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

.results-list li {
    margin-bottom: 8px;
    color: #555;
    display: flex;
    align-items: flex-start;
}

.results-list i {
    color: #1a6bb3;
    margin-right: 8px;
    margin-top: 3px;
    font-size: 14px;
}

/* 联系我们表单 */
.contact-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.contact-container {
    display: flex;
    gap: 50px;
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info {
    flex: 1;
    padding: 40px;
    background: linear-gradient(135deg, #1a6bb3, #0d5a9d);
    color: white;
}

.contact-info h2 {
    font-size: 28px;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 30px;
    line-height: 1.7;
    opacity: 0.9;
}

.contact-details {
    margin-bottom: 30px;
}

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

.contact-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.contact-text p {
    margin-bottom: 0;
    opacity: 0.9;
}

.contact-form {
    flex: 1;
    padding: 40px;
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: #1a6bb3;
    outline: none;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* 产品详情 */
.product-detail {
    padding: 40px 0;
    background-color: white;
}

.product-container {
    display: flex;
    gap: 40px;
}

.product-gallery {
    flex: 1;
}

.main-image {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

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

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s;
}

.thumbnail.active, .thumbnail:hover {
    border-color: #1a6bb3;
}

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

.product-info {
    flex: 1;
}

.product-title {
    font-size: 28px;
    margin-bottom: 10px;
    color: #333;
}

.product-subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}

.product-price {
    font-size: 24px;
    color: #1a6bb3;
    font-weight: bold;
    margin-bottom: 20px;
}

.product-tags {
    position: relative; /* 确保相对定位容器 */
    display: flex;      /* 启用flex布局 */
    gap: 10px;          /* 标签间距 */
    margin-bottom: 20px;
}

.product-tags .product-tag {
    position: static;   /* 覆盖绝对定位 */
    background-color: #e6f2ff; /* 使用正确的背景色 */
}

.product-tag {
    position: static;   /* 覆盖可能的绝对定位 */
    display: inline-block; /* 确保正确显示 */
    flex: none;         /* 防止flex压缩 */
    background-color: #e6f2ff;
    color: #1a6bb3;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap; /* 防止文字换行 */
}

.product-description {
    margin-bottom: 30px;
    color: #555;
    line-height: 1.7;
}

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

.spec-item {
    display: flex;
    margin-bottom: 10px;
}

.spec-label {
    width: 100px;
    font-weight: 500;
    color: #666;
}

.spec-value {
    flex: 1;
    color: #333;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.product-contact-info {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

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

.product-contact-info p {
    margin-bottom: 15px;
    color: #555;
}

/* 产品详情标签页 */
.product-tabs {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.tab-headers {
    display: flex;
    border-bottom: 1px solid #e9ecef;
    margin-bottom: 30px;
}

.tab-header {
    padding: 15px 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}

.tab-header.active {
    color: #1a6bb3;
    border-bottom-color: #1a6bb3;
}

.tab-content {
    display: none;
}

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

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

.tab-content p {
    margin-bottom: 15px;
    color: #555;
    line-height: 1.7;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

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

.feature-icon {
    width: 50px;
    height: 50px;
    background-color: #e6f2ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a6bb3;
    font-size: 20px;
    flex-shrink: 0;
}

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

.feature-text p {
    font-size: 14px;
    color: #666;
    margin-bottom: 0;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.spec-table th, .spec-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.spec-table th {
    background-color: #f8f9fa;
    font-weight: 500;
    color: #333;
    width: 30%;
}

.spec-table tr:hover {
    background-color: #f8f9fa;
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.application-item {
    text-align: center;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

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

.application-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background-color: #e6f2ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a6bb3;
    font-size: 24px;
}

.application-item h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

.application-item p {
    font-size: 14px;
    color: #666;
}

/* 相关产品 */
.related-products {
    padding: 60px 0;
    background-color: white;
}

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

.related-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.related-card:hover {
    transform: translateY(-10px);
}

.related-image {
    height: 180px;
    overflow: hidden;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.related-info {
    padding: 20px;
}

.related-info h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

.related-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.5;
}

.related-link {
    color: #1a6bb3;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.related-link i {
    margin-left: 5px;
    transition: transform 0.3s;
}

.related-link:hover i {
    transform: translateX(5px);
}

/* 产品分类导航 */
.product-categories {
    padding: 40px 0;
    background-color: white;
}

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

.category-tab {
    padding: 12px 25px;
    background-color: #f8f9fa;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid #e9ecef;
    font-weight: 500;
}

.category-tab.active, .category-tab:hover {
    background-color: #1a6bb3;
    color: white;
    border-color: #1a6bb3;
}

/* 产品筛选 */
.product-filters {
    padding: 20px 0;
    background-color: white;
    border-bottom: 1px solid #e9ecef;
}

.filter-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

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

.filter-label {
    font-weight: 500;
    color: #555;
}

.filter-select {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
    cursor: pointer;
}

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

.search-input {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    width: 250px;
}

/* 产品列表 */
.product-list {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 310px;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    transition: transform 0.5s;
}

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



.product-info {
    padding: 20px;
}

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

.product-info p {
    color: #aaa;
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.5;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.spec-item {
    background-color: #f8f9fa;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    color: #555;
}

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

.product-link {
    color: #1a6bb3;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.product-link i {
    margin-left: 5px;
    transition: transform 0.3s;
}

.product-link:hover i {
    transform: translateX(5px);
}

.product-price {
    font-weight: bold;
    color: #1a6bb3;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

.pagination-list {
    display: flex;
    list-style: none;
    gap: 5px;
}

.pagination-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.pagination-item:hover, .pagination-item.active {
    background-color: #1a6bb3;
    color: white;
}
/* 分页容器样式 */
.pagination {
    margin: 30px 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

/* 通用分页项样式 */
.pagination-list > span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
}

/* 分页状态信息 */
.page-status {
    padding: 8px 12px;
    color: #666;
    font-size: 14px;
    margin-right: 12px;
    background: #f8f9fa;
    border-radius: 6px;
}

/* 分页链接基础样式 */
.pagination-list a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    color: #333;
    text-decoration: none;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

/* 链接悬停效果 */
.pagination-list a:hover {
    background: #f5f5f5;
    border-color: #d0d0d0;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 当前页码样式 */
.pagination-list .page-num-current {
    background: #007bff;
    color: white;
    border-color: #007bff;
    font-weight: 600;
}

.pagination-list .page-num-current:hover {
    background: #0056b3;
    border-color: #0056b3;
    transform: none;
    box-shadow: none;
}

/* 省略号样式 */
.pagination-list .page-numbar span.page-num {
    min-width: auto;
    border: none;
    background: transparent;
    color: #666;
    cursor: default;
    padding: 0 4px;
}

.pagination-list .page-numbar span.page-num:hover {
    background: transparent;
    transform: none;
    box-shadow: none;
}

/* 首页/尾页样式 */
.page-index a,
.page-last a {
    padding: 0 16px;
    background: #f8f9fa;
    font-weight: 600;
}

/* 上一页/下一页样式 */
.page-pre a,
.page-next a {
    padding: 0 16px;
}

/* 禁用状态（如有需要） */
.pagination-list a.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .pagination-list {
        gap: 4px;
    }
    
    .pagination-list a {
        min-width: 32px;
        height: 32px;
        font-size: 13px;
        padding: 0 8px;
    }
    
    .page-status {
        display: none; /* 小屏幕隐藏状态信息 */
    }
    
    .page-index a,
    .page-last a,
    .page-pre a,
    .page-next a {
        padding: 0 10px;
    }
}

/* 数字页码容器 */
.page-numbar {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 轮播图样式 */
.hero {
    position: relative;
    height: 600px;
    overflow: hidden;
}

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

.hero-slide.active {
    opacity: 1;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    color: white;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.slide-1 {
    background: url('/static/images/1.jpg');
}

.slide-2 {
    background:  url('/static/images/2.jpg');
}

.slide-3 {
    background: url('/static/images/3.jpg');
}

.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    text-align: center;
}

.indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    margin: 0 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.indicator.active {
    background-color: white;
}

/* 关于我们样式 */
.about {
    padding: 80px 0;
    background-color: white;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #1a6bb3;
}

.about-text p {
    margin-bottom: 20px;
    color: #555;
}

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

.feature-item {
    flex: 0 0 50%;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background-color: #e6f2ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: #1a6bb3;
    font-size: 20px;
}

.about-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 产品展示样式 */
.products {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.product-categories {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 10px 25px;
    margin: 0 10px 10px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
}

.category-btn.active, .category-btn:hover {
    background-color: #1a6bb3;
    color: white;
    border-color: #1a6bb3;
}

/* 优势特点样式 */
.advantages {
    padding: 80px 0;
    background-color: white;
}

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

.advantage-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 8px;
    transition: transform 0.3s;
    background-color: #f8f9fa;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: #e6f2ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a6bb3;
    font-size: 32px;
}

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

.advantage-card p {
    color: #666;
}

/* 公司数据样式 */
.stats {
    padding: 80px 0;
    background: linear-gradient(rgba(26, 107, 179, 0.9), rgba(26, 107, 179, 0.9)), url('https://via.placeholder.com/1920x600/1a6bb3/ffffff?text=背景图');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}

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

.stat-item h3 {
    font-size: 42px;
    margin-bottom: 10px;
    font-weight: 700;
}

.stat-item p {
    font-size: 18px;
    opacity: 0.9;
}

/* 应用领域样式 */
.applications {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.application-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.application-card:hover {
    transform: translateY(-5px);
}

.application-icon {
    height: 120px;
    background-color: #e6f2ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a6bb3;
    font-size: 48px;
}

.application-content {
    padding: 20px;
    text-align: center;
}

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

.application-content p {
    color: #666;
    font-size: 14px;
}

/* 生产流程样式 */
.process {
    padding: 80px 0;
    background-color: white;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 50px;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #e6f2ff;
    z-index: 1;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 2;
    flex: 1;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: white;
    border: 2px solid #e6f2ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a6bb3;
    font-size: 32px;
    transition: all 0.3s;
}

.process-step:hover .step-icon {
    background-color: #1a6bb3;
    color: white;
    border-color: #1a6bb3;
}

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

.step-content p {
    color: #666;
    font-size: 14px;
    max-width: 200px;
    margin: 0 auto;
}

/* 合作伙伴样式 */
.partners {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    align-items: center;
}

.partner-logo {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.partner-logo:hover {
    transform: translateY(-5px);
}

.partner-logo img {
    max-width: 100%;
    max-height: 100px;
    transition: filter 0.3s;
}

.partner-logo:hover img {
    filter: grayscale(0%);
}

/* 新闻资讯样式 */
.news {
    padding: 80px 0;
    background-color: white;
}

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

.news-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

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

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

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.news-content {
    padding: 20px;
}

.news-date {
    color: #1a6bb3;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    line-height: 1.4;
}

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

.news-link {
    color: #1a6bb3;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.news-link i {
    margin-left: 5px;
    transition: transform 0.3s;
}

.news-link:hover i {
    transform: translateX(5px);
}

/* 底部样式 */
footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 60px 0 20px;
}

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

.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: #1a6bb3;
}

.footer-links li {
    list-style: none;
    margin-bottom: 10px;
}

.footer-links a {
    color: #bdc3c7;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #1a6bb3;
}

.footer-contact li {
    list-style: none;
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
}

.footer-contact i {
    margin-right: 10px;
    color: #1a6bb3;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
    font-size: 14px;
    color: #bdc3c7;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .intro-content, .about-content {
        flex-direction: column;
    }
    
    .intro-image, .about-image {
        margin-top: 30px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
    }
    
    .timeline-content {
        margin-left: 80px !important;
        margin-right: 0 !important;
    }
    
    .timeline-year {
        left: 0 !important;
        right: auto !important;
    }
    
    .solution-content, .product-container {
        flex-direction: column;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .overview-grid, .cases-grid, .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .feature-list {
        grid-template-columns: 1fr;
    }
    
    .hero-content h2 {
        font-size: 36px;
    }
    
    .process-steps {
        flex-wrap: wrap;
    }
    
    .process-step {
        flex: 0 0 50%;
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        margin: 0;
        text-align: center;
        padding: 10px 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .page-banner h1 {
        font-size: 32px;
    }
    
    .page-banner p {
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .intro-feature, .feature-item {
        flex: 0 0 100%;
    }
    
    .timeline-content {
        margin-left: 60px !important;
    }
    
    .timeline-year {
        width: 60px;
        height: 60px;
        font-size: 14px;
    }
    
    .culture-grid, .cert-grid, .env-grid, .team-grid, .advantages-grid, .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-tab-headers, .tab-headers {
        flex-wrap: wrap;
    }
    
    .solution-tab-header, .tab-header {
        flex: 1;
        min-width: 150px;
        text-align: center;
    }
    
    .solution-tab-content {
        padding: 25px;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .filter-container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-search {
        width: 100%;
    }
    
    .search-input {
        width: 100%;
    }
    
    .hero {
        height: 500px;
    }
    
    .hero-content h2 {
        font-size: 28px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .application-grid {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .process-step {
        flex: 0 0 100%;
    }
    
    .process-steps::before {
        display: none;
    }
}

@media (max-width: 576px) {
    .header-top .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-contact span {
        display: block;
        margin-bottom: 5px;
    }
    
    .timeline-content {
        margin-left: 60px !important;
    }
    
    .timeline-year {
        width: 60px;
        height: 60px;
        font-size: 14px;
    }
    
    .culture-grid, .cert-grid, .env-grid, .team-grid, .overview-grid, .cases-grid, .product-grid, .related-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-tab-header {
        padding: 15px 20px;
        font-size: 14px;
    }
    
    .contact-info, .contact-form {
        padding: 25px;
    }
    
    .product-title {
        font-size: 24px;
    }
    
    .thumbnail-list {
        justify-content: center;
    }
    
    .spec-table {
        font-size: 14px;
    }
    
    .spec-table th, .spec-table td {
        padding: 8px 10px;
    }
    
    .category-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 10px;
    }
    
    .category-tab {
        white-space: nowrap;
    }
    
    .hero {
        height: 400px;
    }
    
    .hero-content h2 {
        font-size: 24px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}