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

body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

.back-to-top {
    background: #000;
    color: #fff;
    height: 35px;
    width: 35px;
    border: 0;
    border-radius: 100%;
    position: fixed;
    right: 20px;
    bottom: 20px;
}

/* 链接样式 */
a {
    text-decoration: none;
    color: #0056b3;
}

a:hover {
    color: #003d82;
}

/* 列表样式 */
ul {
    list-style: none;
}

/* 标题样式 */
h1,
h2,
h3,
h4 {
    margin-bottom: 15px;
    color: #2c3e50;
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 24px;
    position: relative;
    padding-bottom: 10px;
}

h2:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: #0056b3;
}

h3 {
    font-size: 20px;
}

h4 {
    font-size: 18px;
}

/* 段落样式 */
p {
    margin-bottom: 15px;
}

/* 文本对齐 */
.text-center {
    text-align: center;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: #0056b3;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #003d82;
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid #0056b3;
    color: #0056b3;
}

.btn-outline:hover {
    background-color: #0056b3;
    color: #fff;
}

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

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 20px;
    color: #0056b3;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: #333;
    font-size: 18px;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

nav ul li a:hover,
nav ul li a.active {
    color: #0056b3;
}

nav ul li a.active:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #0056b3;
}

/* 面包屑导航 */
.breadcrumb {
    background-color: #e9ecef;
    padding: 15px 0;
    font-size: 14px;
}

.breadcrumb a {
    color: #0056b3;
}

/* 页面头部 */
.page-header {
    background-color: #fff;
    padding: 40px 0;
    text-align: center;
    margin-bottom: 30px;
}

.page-header h2 {
    display: inline-block;
}

.page-header h2:after {
    left: 50%;
    transform: translateX(-50%);
}

/* 主要内容区域 */
main {
    min-height: calc(100vh - 220px);
    padding: 30px 0;
}

.content-section {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

/* 首页样式 */
.hero {
    background: linear-gradient(135deg, #0056b3, #003d82);
    color: #fff;
    padding: 80px 0;
    text-align: center;
    margin-bottom: 50px;
}

.hero h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #fff;
}

.hero p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 30px;
}

.hero .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: bold;
}

.hero .btn:hover {
    background-color: #f0f0f0;
}

/* 首页简介 */
.intro {
    padding: 50px 0;
    margin-bottom: 30px;
}

.intro h2:after {
    background-color: #28a745;
}

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

.feature-item {
    text-align: center;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
}

.feature-item h3 {
    color: #0056b3;
    margin-bottom: 15px;
}

/* 新闻动态 */
.news {
    background-color: #f8f9fa;
    padding: 50px 0;
    margin-bottom: 30px;
}

.news h2:after {
    background-color: #ffc107;
}

.news-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.news-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.news-item h3 {
    margin: 0 20px;
    padding-top: 20px;
}

.news-item h3 a {
    color: #2c3e50;
}

.news-item h3 a:hover {
    color: #0056b3;
}

.news-item .date {
    color: #6c757d;
    font-size: 14px;
    margin: 5px 20px;
}

.news-item p {
    margin: 0 20px 20px;
    color: #495057;
}

.news-item .read-more {
    margin: 0 0 20px 20px;
}

.news .btn {
    margin-top: 2rem;
}

/* 业务范围 */
.business {
    padding: 50px 0;
    margin-bottom: 30px;
}

.business h2:after {
    background-color: #dc3545;
}

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

.business-item {
    text-align: center;
    padding: 30px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.business-item:hover {
    border-color: #0056b3;
    box-shadow: 0 5px 15px rgba(0, 86, 179, 0.1);
}

.business-item h3 {
    color: #0056b3;
    margin-bottom: 15px;
}

/* 成功案例 */
.cases {
    background-color: #f8f9fa;
    padding: 50px 0;
    margin-bottom: 30px;
}

.cases h2:after {
    background-color: #28a745;
}

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

.case-item {
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.case-item h3 {
    color: #0056b3;
    margin-bottom: 15px;
}

/* 人才发展 */
.career {
    padding: 50px 0;
    margin-bottom: 30px;
}

.career h2:after {
    background-color: #6f42c1;
}

.career-benefits {
    margin: 30px 0;
}

.home .career-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.benefit {
    text-align: center;
    padding: 25px;
    border-radius: 8px;
    background-color: #f8f9fa;
}

.benefit h3 {
    color: #0056b3;
    margin-bottom: 15px;
}

/* 底部样式 */
footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 50px 0 20px;
}

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

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

.footer-section h3:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: #0056b3;
}

.footer-section ul li {
    margin-bottom: 10px;
    float: left;
    width: 50%;
}

.footer-section ul li a {
    color: #ccc;
}

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

.footer-section p {
    color: #ccc;
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #455a64;
    color: #aaa;
    font-size: 14px;
}

/* 新闻列表样式 */
.news-filter ul {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.news-filter ul li {
    margin-right: 15px;
    margin-bottom: 10px;
}

.news-filter ul li a {
    display: block;
    padding: 8px 16px;
    background-color: #f8f9fa;
    border-radius: 4px;
    color: #495057;
}

.news-filter ul li a:hover,
.news-filter ul li.active a {
    background-color: #0056b3;
    color: #fff;
}

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

.news-image {
    height: 180px;
    background-color: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.placeholder {
    color: #6c757d;
    font-size: 14px;
}

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

.read-more {
    display: inline-block;
    margin-top: auto;
    color: #0056b3;
    font-weight: 500;
}

.read-more:hover {
    color: #003d82;
}

/* 分页样式 */
.pagination {
    margin-top: 40px;
    text-align: center;
}

.pagination ul {
    display: inline-flex;
}

.pagination ul li {
    margin: 0 5px;
}

.pagination ul li a {
    display: block;
    padding: 10px 15px;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    color: #495057;
}

.pagination ul li a:hover,
.pagination ul li a.active {
    background-color: #0056b3;
    color: #fff;
    border-color: #0056b3;
}

.pagination ul li a.disabled {
    color: #ccc;
    cursor: not-allowed;
}

.pagination ul li a.disabled:hover {
    background-color: transparent;
    color: #ccc;
}

/* 产品列表样式 */
.product-categories ul {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.product-categories ul li {
    margin-right: 15px;
    margin-bottom: 10px;
}

.product-categories ul li a {
    display: block;
    padding: 8px 16px;
    background-color: #f8f9fa;
    border-radius: 4px;
    color: #495057;
}

.product-categories ul li a:hover,
.product-categories ul li.active a {
    background-color: #0056b3;
    color: #fff;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(550px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.product-item {
    display: flex;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.product-image {
    width: 40%;
    background-color: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-info {
    width: 60%;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.product-type {
    color: #0056b3;
    font-weight: 500;
    margin-bottom: 10px;
}

.product-description {
    flex: 1;
    margin-bottom: 15px;
    color: #495057;
}

.product-meta {
    margin-bottom: 15px;
}

.return-rate,
.risk-level {
    display: block;
    font-size: 14px;
    margin-bottom: 5px;
}

/* 产品详情样式 */
.product-detail {
    margin-bottom: 30px;
}

.product-main-info {
    display: flex;
    margin-bottom: 40px;
    gap: 30px;
}

.product-main-info .product-image {
    flex: 1;
    height: 300px;
    background-color: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.product-summary {
    flex: 1;
}

.product-name {
    margin-bottom: 20px;
    color: #2c3e50;
}

.product-type {
    font-size: 18px;
    margin-bottom: 20px;
    color: #0056b3;
}

.product-key-data {
    margin-bottom: 30px;
}

.data-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.data-item .label {
    font-weight: 500;
}

.data-item .value {
    color: #0056b3;
    font-weight: 500;
}

/* 产品标签页样式 */
.product-tabs {
    margin-top: 30px;
}

.tab-nav {
    display: flex;
    border-bottom: 1px solid #dee2e6;
    margin-bottom: 30px;
}

.tab-nav li {
    margin-bottom: -1px;
}

.tab-nav li a {
    display: block;
    padding: 12px 20px;
    color: #495057;
    border: 1px solid transparent;
    border-bottom: 2px solid transparent;
}

.tab-nav li a:hover,
.tab-nav li.active a {
    color: #0056b3;
    border-bottom-color: #0056b3;
}

.tab-pane {
    display: none;
}

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

.feature-list,
.strategy-list,
.risk-list {
    margin-left: 20px;
    margin-bottom: 20px;
}

.feature-list li,
.strategy-list li,
.risk-list li {
    margin-bottom: 10px;
}

.disclaimer {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 4px;
    padding: 15px;
    margin-top: 20px;
}

/* 知识库样式 */
.knowledge-categories ul {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.knowledge-categories ul li {
    margin-right: 15px;
    margin-bottom: 10px;
}

.knowledge-categories ul li a {
    display: block;
    padding: 8px 16px;
    background-color: #f8f9fa;
    border-radius: 4px;
    color: #495057;
}

.knowledge-categories ul li a:hover,
.knowledge-categories ul li.active a {
    background-color: #0056b3;
    color: #fff;
}

.knowledge-search {
    margin-bottom: 30px;
}

.knowledge-search form {
    display: flex;
}

.knowledge-search input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ced4da;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
}

.knowledge-search button {
    padding: 12px 20px;
    background-color: #0056b3;
    color: #fff;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-size: 16px;
}

.knowledge-search button:hover {
    background-color: #003d82;
}

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

.knowledge-item {
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

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

.knowledge-item h3 {
    margin-bottom: 10px;
}

.knowledge-item h3 a {
    color: #2c3e50;
}

.knowledge-item h3 a:hover {
    color: #0056b3;
}

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

.category {
    background-color: #0056b3;
    color: #fff;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
    margin-right: 15px;
}

.date {
    color: #6c757d;
    font-size: 14px;
}

/* 案例列表样式 */
.case-filter ul {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.case-filter ul li {
    margin-right: 15px;
    margin-bottom: 10px;
}

.case-filter ul li a {
    display: block;
    padding: 8px 16px;
    background-color: #f8f9fa;
    border-radius: 4px;
    color: #495057;
}

.case-filter ul li a:hover,
.case-filter ul li.active a {
    background-color: #0056b3;
    color: #fff;
}

.case-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(550px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.case-item {
    display: flex;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.case-image {
    width: 40%;
    background-color: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-content {
    width: 60%;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.case-industry,
.case-time {
    font-size: 14px;
    margin-bottom: 5px;
    color: #6c757d;
}

/* 人才发展样式 */
.career-intro {
    text-align: center;
    margin-bottom: 40px;
}

.career-intro h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #0056b3;
}

.culture-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.culture-item {
    text-align: center;
    padding: 30px;
    border-radius: 8px;
    background-color: #f8f9fa;
}

.culture-item h4 {
    color: #0056b3;
    margin-bottom: 15px;
}

.development-content {
    margin: 30px 0;
}

.training-system {
    margin-top: 20px;
}

.benefits-content {
    margin: 30px 0;
}

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

.benefit-item {
    text-align: center;
    padding: 30px;
    border-radius: 8px;
    background-color: #f8f9fa;
}

.benefit-item h4 {
    color: #0056b3;
    margin-bottom: 15px;
}

.jobs-list {
    margin: 30px 0;
}

.job-item {
    padding: 25px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

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

.job-department,
.job-location {
    font-size: 14px;
    margin-bottom: 5px;
    color: #6c757d;
}

/* 联系我们样式 */
.contact-info {
    margin-bottom: 40px;
}

.company-info p {
    margin-bottom: 10px;
    font-size: 16px;
}

.department-contacts {
    margin-bottom: 40px;
}

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

.contact-item {
    padding: 20px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    text-align: center;
}

.contact-item h4 {
    color: #0056b3;
    margin-bottom: 15px;
}

.map-placeholder {
    height: 300px;
    background-color: #e9ecef;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        padding: 15px;
    }

    .logo {
        margin-bottom: 15px;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

    .hero h2 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .features,
    .business-list,
    .case-list,
    .career-benefits,
    .culture-list,
    .benefits-list,
    .contacts-grid,
    .product-list {
        grid-template-columns: 1fr;
    }

    .product-item,
    .case-item {
        flex-direction: column;
    }

    .product-item .product-image,
    .case-item .case-image {
        width: 100%;
        height: 200px;
    }

    .product-item .product-info,
    .case-item .case-content {
        width: 100%;
    }

    .product-main-info {
        flex-direction: column;
    }

    .tab-nav {
        flex-direction: column;
    }

    .tab-nav li {
        margin-bottom: 5px;
    }

    .tab-nav li a {
        border-radius: 4px;
        border: 1px solid #dee2e6;
        border-bottom: 1px solid #dee2e6;
        text-align: center;
    }

    .content-section {
        padding: 20px 15px;
    }
}