/* 全局样式重置和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 科技蓝色系主题颜色 */
    --primary-color: #165DFF;
    --primary-dark: #0E4BDE;
    --primary-light: #4080FF;
    --secondary-color: #0FC6C2;
    --text-color: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-color: #ffffff;
    --bg-secondary: #f5f7fa;
    --border-color: #e6e8eb;
    --success-color: #00B42A;
    --warning-color: #FF7D00;
    --error-color: #F53F3F;
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-heavy: 0 8px 24px rgba(0, 0, 0, 0.16);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 链接样式 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* 按钮样式 */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

/* 段落样式 */
p {
    margin-bottom: 16px;
}

/* 列表样式 */
ul, ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

li {
    margin-bottom: 8px;
}

/* 图片样式 */
img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

/* 导航栏样式 */
.navbar {
    background-color: var(--bg-color);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 8px 0;
    box-shadow: var(--shadow-medium);
}

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

.logo a {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-links li {
    margin-left: 24px;
    margin-bottom: 0;
}

.nav-links a {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-color);
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-color);
    box-shadow: var(--shadow-medium);
    padding: 16px 0;
}

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

.mobile-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu li {
    margin: 0;
    padding: 0 20px;
}

.mobile-menu a {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
}

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

.mobile-menu a:hover,
.mobile-menu a.active {
    color: var(--primary-color);
}

/* Banner区域样式 */
.banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 80px 0;
    text-align: center;
}

.banner h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.banner p {
    font-size: 1.2rem;
    margin-bottom: 32px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 博客列表区域样式 */
.blog-list {
    padding: 60px 0;
}

.blog-list h2 {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.blog-list h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

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

.blog-card {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 0;
}

.blog-content {
    padding: 20px;
}

.blog-content .category {
    display: inline-block;
    padding: 4px 12px;
    font-size: 14px;
    font-weight: 500;
    background-color: rgba(22, 93, 255, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    margin-bottom: 12px;
}

.blog-content h3 {
    margin-bottom: 12px;
}

.blog-content h3 a {
    color: var(--text-color);
}

.blog-content h3 a:hover {
    color: var(--primary-color);
}

.blog-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.blog-meta i {
    margin-right: 4px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    font-weight: 500;
    color: var(--primary-color);
}

.read-more i {
    margin-left: 4px;
    transition: var(--transition);
}

.read-more:hover i {
    transform: translateX(4px);
}

.load-more {
    text-align: center;
}

/* 企业介绍区域样式 */
.about-company {
    background-color: var(--bg-secondary);
    padding: 60px 0;
}

.about-company .container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.about-content {
    flex: 1;
}

.about-image {
    flex: 1;
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

/* 博客列表页特定样式 */
.blog-list-page {
    padding: 60px 0;
}

.page-title {
    text-align: center;
    margin-bottom: 40px;
}

.page-title h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.page-title h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.page-title p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.filter-section {
    background-color: var(--bg-secondary);
    padding: 24px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    box-shadow: var(--shadow-light);
}

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

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-color);
    transition: var(--transition);
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
}

.view-toggle {
    display: flex;
    gap: 8px;
}

.view-toggle button {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.view-toggle button:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.view-toggle button:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.view-toggle button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

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

.blog-list-view .blog-grid-list {
    grid-template-columns: 1fr;
}

.blog-list-view .blog-card {
    display: flex;
    flex-direction: row;
    height: auto;
}

.blog-list-view .blog-card img {
    width: 300px;
    height: 100%;
    object-fit: cover;
}

.blog-list-view .blog-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-list-view .blog-content p {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination button {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.pagination button:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.page-info {
    margin-right: 16px;
    color: var(--text-secondary);
}

/* 页脚样式 */
.footer {
    background-color: #1d2129;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-logo h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: white;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.6);
}

.footer h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links a:hover {
    color: white;
}

.footer-contact ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact i {
    margin-top: 4px;
    color: var(--primary-light);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* 博客详情页面样式 */
.blog-detail {
    padding: 60px 0;
}

.blog-detail .container {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 40px;
}

.blog-detail-content {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    padding: 30px;
}

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

.blog-header .category {
    display: inline-block;
    padding: 4px 12px;
    font-size: 14px;
    font-weight: 500;
    background-color: rgba(22, 93, 255, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    margin-bottom: 16px;
}

.blog-header h1 {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.blog-meta i {
    margin-right: 4px;
}

.featured-image {
    margin-bottom: 30px;
}

.featured-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

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

.article-content p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

.article-content h2 {
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.article-content h3 {
    margin-top: 30px;
    margin-bottom: 16px;
}

.article-content ul, .article-content ol {
    margin-bottom: 20px;
}

.article-content li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.article-tags {
    margin-bottom: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.article-tags h4 {
    margin-bottom: 12px;
    font-size: 16px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tags a {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 14px;
    transition: var(--transition);
}

.tags a:hover {
    background-color: var(--primary-color);
    color: white;
}

.author-info {
    display: flex;
    gap: 20px;
    padding: 24px;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: 40px;
}

.author-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.author-details h4 {
    margin-bottom: 8px;
}

.author-details p {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.author-social {
    display: flex;
    gap: 12px;
}

.author-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--bg-color);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: var(--transition);
}

.author-social a:hover {
    background-color: var(--primary-color);
    color: white;
}

.related-posts h3 {
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.related-posts h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

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

.related-card {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.related-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: 0;
}

.related-card h4 {
    padding: 16px;
    font-size: 16px;
    margin: 0;
}

.related-card h4 a {
    color: var(--text-color);
}

.related-card h4 a:hover {
    color: var(--primary-color);
}

.comments-section h3 {
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.comments-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

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

.comment {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.comment:last-child {
    border-bottom: none;
}

.comment-avatar img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.comment-content h4 {
    margin-bottom: 4px;
    font-size: 16px;
}

.comment-date {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
    display: block;
}

.comment-actions {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.comment-actions button {
    background: none;
    border: none;
    font-size: 14px;
    color: var(--text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.comment-actions button:hover {
    color: var(--primary-color);
}

.comment-form h4 {
    margin-bottom: 20px;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
}

.submit-group {
    text-align: right;
}

/* 侧边栏样式 */
.blog-sidebar {
    position: sticky;
    top: 100px;
}

.search-widget,
.categories-widget,
.popular-posts,
.tags-widget {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    padding: 24px;
    margin-bottom: 24px;
}

.search-widget h3,
.categories-widget h3,
.popular-posts h3,
.tags-widget h3 {
    margin-bottom: 20px;
    font-size: 18px;
    position: relative;
    padding-bottom: 12px;
}

.search-widget h3::after,
.categories-widget h3::after,
.popular-posts h3::after,
.tags-widget h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.search-form {
    position: relative;
}

.search-form input {
    width: 100%;
    padding: 12px 40px 12px 16px;
    font-size: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.search-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
}

.search-form button {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 16px;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.search-form button:hover {
    color: var(--primary-color);
}

.categories-widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.categories-widget li {
    margin-bottom: 12px;
}

.categories-widget a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-color);
    transition: var(--transition);
}

.categories-widget a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}

.categories-widget span {
    background-color: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.popular-posts ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.popular-posts li {
    margin-bottom: 16px;
}

.popular-posts li:last-child {
    margin-bottom: 0;
}

.popular-posts a {
    display: flex;
    gap: 12px;
    color: var(--text-color);
    transition: var(--transition);
}

.popular-posts a:hover {
    color: var(--primary-color);
}

.popular-posts img {
    width: 60px;
    height: 60px;
    object-fit: cover;
}

.post-info h4 {
    margin-bottom: 4px;
    font-size: 14px;
    line-height: 1.4;
}

.post-info span {
    font-size: 12px;
    color: var(--text-light);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-cloud a {
    display: inline-block;
    padding: 6px 14px;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 13px;
    transition: var(--transition);
}

.tag-cloud a:hover {
    background-color: var(--primary-color);
    color: white;
}

/* 联系我们页面样式 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 12px;
    color: white;
}

.page-header p {
    font-size: 1.1rem;
    margin: 0;
}

.contact-section {
    padding: 60px 0;
}

.contact-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info h2,
.contact-form h2 {
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.contact-info h2::after,
.contact-form h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.contact-details {
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    align-items: flex-start;
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: rgba(22, 93, 255, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 20px;
    flex-shrink: 0;
}

.contact-text h4 {
    margin-bottom: 4px;
    font-size: 16px;
}

.contact-text p {
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.contact-text p:last-child {
    margin-bottom: 0;
}

.social-links h3 {
    margin-bottom: 16px;
    font-size: 18px;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--bg-secondary);
    border-radius: 50%;
    color: var(--text-color);
    font-size: 20px;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-4px);
}

.map-section {
    background-color: var(--bg-secondary);
    padding: 40px 0;
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.map-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

.faq-section {
    padding: 60px 0;
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 12px;
}

.faq-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

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

.faq-item {
    margin-bottom: 16px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: var(--bg-color);
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: rgba(22, 93, 255, 0.05);
}

.faq-question h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

.faq-toggle {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
}

.faq-toggle.active {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: var(--bg-secondary);
}

.faq-answer p {
    padding: 20px;
    margin: 0;
    color: var(--text-secondary);
}

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

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

.about-section .container {
    display: flex;
    gap: 40px;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.about-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    background-color: var(--bg-color);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.mission-vision {
    background-color: var(--bg-secondary);
    padding: 60px 0;
}

.mission-vision .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.mission,
.vision {
    text-align: center;
    padding: 40px;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.mission:hover,
.vision:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.mission-icon,
.vision-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: rgba(22, 93, 255, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 32px;
    margin-bottom: 20px;
}

.values-section {
    padding: 60px 0;
}

.values-section h2 {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 12px;
}

.values-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

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

.value-item {
    text-align: center;
    padding: 30px;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    background-color: rgba(22, 93, 255, 0.05);
}

.value-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: rgba(22, 93, 255, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 20px;
}

.team-section {
    background-color: var(--bg-secondary);
    padding: 60px 0;
}

.team-section h2 {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.team-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.team-section p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-secondary);
}

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

.team-member {
    text-align: center;
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.team-member img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid rgba(22, 93, 255, 0.1);
}

.team-member h3 {
    margin-bottom: 4px;
    font-size: 18px;
}

.team-member p:first-of-type {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 8px;
}

.team-member p:last-of-type {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.member-social {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.member-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--bg-secondary);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: var(--transition);
}

.member-social a:hover {
    background-color: var(--primary-color);
    color: white;
}

.timeline-section {
    padding: 60px 0;
}

.timeline-section h2 {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 12px;
}

.timeline-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

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

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
}

.timeline-item:nth-child(odd) {
    justify-content: flex-end;
}

.timeline-date {
    position: absolute;
    top: 0;
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 18px;
    font-weight: 700;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    box-shadow: var(--shadow-medium);
}

.timeline-content {
    width: 45%;
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
}

.partners-section {
    background-color: var(--bg-secondary);
    padding: 60px 0;
}

.partners-section h2 {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.partners-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.partners-section p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-secondary);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    align-items: center;
}

.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.partner-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.partner-item img {
    max-width: 100%;
    max-height: 60px;
    filter: grayscale(100%);
    transition: var(--transition);
}

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

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .banner h1 {
        font-size: 2.5rem;
    }
    
    .about-company .container,
    .about-section .container {
        flex-direction: column;
    }
    
    .about-image {
        order: -1;
    }
    
    .blog-detail .container {
        grid-template-columns: 1fr;
    }
    
    .blog-sidebar {
        position: static;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-section .container {
        grid-template-columns: 1fr;
    }
    
    .mission-vision .container {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .timeline::before {
        left: 40px;
    }
    
    .timeline-item {
        justify-content: flex-start;
        padding-left: 100px;
    }
    
    .timeline-date {
        left: 0;
        transform: translateX(0);
    }
    
    .timeline-content {
        width: 100%;
        text-align: left !important;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 540px;
    }
    
    .banner {
        padding: 60px 0;
    }
    
    .banner h1 {
        font-size: 2rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .banner h1 {
        font-size: 1.8rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .blog-detail-content {
        padding: 20px;
    }
    
    .blog-header h1 {
        font-size: 1.8rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.pulse {
    animation: pulse 2s ease infinite;
}

/* 滚动到顶部按钮 */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    box-shadow: var(--shadow-medium);
    z-index: 99;
}

.scroll-top.active {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-4px);
}

/* 加载动画 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 图片懒加载 */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img.lazy.loaded {
    opacity: 1;
}