/* 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;
}

.clearfix::after {
    content: "";
    /* 伪元素必须有内容，空字符串即可 */
    display: table;
    /* 触发 BFC，避免margin折叠 */
    clear: both;
    /* 清除左右浮动 */
}

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

/* 链接样式 */
a {
    text-decoration: none;
    color: #2c97e8;
    transition: all 0.3s ease;
}

a:hover {
    color: #1a73e8;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, #2c97e8, #1a73e8);
    color: white;
    border-radius: 4px;
    text-align: center;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(42, 157, 232, 0.3);
}

.btn:hover {
    background: linear-gradient(135deg, #1a73e8, #0d5bb8);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(42, 157, 232, 0.4);
    color: white;
}

/* 头部导航 */
header {
    background: linear-gradient(135deg, #1a73e8, #2c97e8);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

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

nav ul li {
    margin-left: 15px;
}

nav ul li a {
    color: white;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 18px;
    transition: all 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 移动端菜单按钮 */
.mobile-menu-button {
    display: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px 10px;
}

.mobile-nav {
    display: block !important;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, #1a73e8, #2c97e8);
    padding: 10px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.mobile-nav-open {
    transform: translateY(0) !important;
}

.mobile-nav ul {
    flex-direction: column;
    align-items: center;
}

.mobile-nav ul li {
    margin: 5px 0;
    width: 100%;
    text-align: center;
}

/* 面包屑导航 */
.breadcrumb {
    background-color: #e9ecef;
    padding: 10px 0;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: #1a73e8;
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #6ac9f5, #2c97e8);
    padding: 40px 0;
    text-align: center;
    color: white;
    margin-bottom: 40px;
}

.page-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(rgba(26, 115, 232, 0.8), rgba(44, 151, 232, 0.9)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%232c97e8"/><path d="M0 50 Q 25 30, 50 50 T 100 50" stroke="%23ffffff" fill="none" stroke-width="1"/></svg>');
    background-size: cover;
    padding: 100px 0;
    text-align: center;
    color: white;
}

.hero h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.about h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: #1a73e8;
    position: relative;
}

.about h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, #2c97e8, #1a73e8);
    margin: 15px auto;
    border-radius: 2px;
}

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

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-image {
    flex: 1;
    text-align: center;
    color: #2c97e8;
}

/* 服务项目 */
.services {
    padding: 80px 0;
    background-color: #f1f8ff;
}

.services h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: #1a73e8;
}

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

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

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

.service-item i {
    color: #2c97e8;
    margin-bottom: 20px;
}

.service-item h3 {
    margin-bottom: 15px;
    color: #333;
}

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

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

.news h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: #1a73e8;
}

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

.news-item {
    padding: 20px;
    border-bottom: 1px solid #eee;
    transition: all 0.3s ease;
}

.news-item:hover {
    background-color: #f8f9fa;
    border-radius: 8px;
}

.news-item h3 {
    color: #1a73e8;
    margin-bottom: 10px;
}

.news-item .date {
    color: #2c97e8;
    font-weight: bold;
    margin-bottom: 10px;
}

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

/* 成功案例 */
.cases {
    padding: 80px 0;
    background-color: #f1f8ff;
}

.cases h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: #1a73e8;
}

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

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

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

.case-item i {
    color: #2c97e8;
    margin-bottom: 20px;
}

.case-item h3 {
    margin-bottom: 15px;
    color: #333;
}

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

/* 合作伙伴 */
.partners {
    padding: 80px 0;
    background-color: white;
}

.partners h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: #1a73e8;
}

.partners-logos {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.partner {
    color: #2c97e8;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.partner:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* 页脚 */
footer {
    background: linear-gradient(135deg, #1a73e8, #0d5bb8);
    color: white;
    text-align: center;
    padding: 20px 0;
}

/* 公司简介详情 */
.about-detail {
    padding: 40px 0;
    background-color: white;
}

.about-main {
    float: left;
    width: 70%;
    padding-right: 40px;
}

.about-main h3 {
    color: #1a73e8;
    margin: 30px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e9ecef;
}

.about-main p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.timeline {
    position: relative;
    padding-left: 30px;
    margin: 30px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #2c97e8, #1a73e8);
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
}

.timeline-year {
    position: absolute;
    left: -50px;
    top: 0;
    background: #2c97e8;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.timeline-content h4 {
    color: #1a73e8;
    margin-bottom: 10px;
}

.culture {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 30px 0;
}

.culture-item {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 20px;
    background: #f1f8ff;
    border-radius: 8px;
}

.culture-item i {
    color: #2c97e8;
    margin-bottom: 15px;
}

.culture-item h4 {
    margin-bottom: 10px;
    color: #1a73e8;
}

.certificates {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.certificate-item {
    text-align: center;
    color: #666;
}

.certificate-item i {
    color: #ffc107;
    margin-bottom: 10px;
}

.sidebar {
    float: right;
    width: 30%;
}

.sidebar-widget {
    background: #f1f8ff;
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.sidebar-widget h4 {
    color: #1a73e8;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e9ecef;
}

.sidebar-widget p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.sidebar-widget p i {
    color: #2c97e8;
    margin-right: 10px;
    width: 20px;
}

.sidebar-widget ul {
    list-style: none;
}

.sidebar-widget ul li {
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
}

.sidebar-widget ul li i {
    color: #2c97e8;
    margin-right: 10px;
}

/* 服务详情 */
.services-detail {
    padding: 40px 0;
    background-color: white;
}

.service-category {
    margin-bottom: 50px;
}

.service-category h3 {
    color: #1a73e8;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e9ecef;
    font-size: 1.8rem;
}

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

.service-card {
    background: #f1f8ff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.service-icon {
    text-align: center;
    margin-bottom: 20px;
    color: #2c97e8;
}

.service-card h4 {
    color: #1a73e8;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

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

.service-card ul {
    list-style: none;
}

.service-card ul li {
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
    color: #666;
}

.service-card ul li::before {
    content: '•';
    color: #2c97e8;
    position: absolute;
    left: 0;
    top: 5px;
    font-size: 1.2rem;
}

.service-process {
    margin-top: 50px;
}

.service-process h3 {
    text-align: center;
    color: #1a73e8;
    margin-bottom: 40px;
    font-size: 1.8rem;
}

.process-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.process-step {
    flex: 1;
    min-width: 180px;
    text-align: center;
    padding: 20px;
    background: #f1f8ff;
    border-radius: 8px;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: #2c97e8;
}

.step-number {
    width: 40px;
    height: 40px;
    background: #2c97e8;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 auto 15px;
}

.process-step h4 {
    color: #1a73e8;
    margin-bottom: 10px;
}

/* 案例筛选 */
.cases-filter {
    background-color: white;
    padding: 20px 0;
}

.cases-filter ul {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
    gap: 15px;
}

.cases-filter ul li {
    padding: 10px 20px;
    background: #f1f8ff;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cases-filter ul li:hover,
.cases-filter ul li.active {
    background: #2c97e8;
    color: white;
}

/* 案例展示 */
.cases-gallery {
    padding: 40px 0;
    background-color: #f8f9fa;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.case-item {
    display: flex;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-image {
    flex: 1;
    background: #e9f4ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2c97e8;
}

.case-content {
    flex: 2;
    padding: 25px;
}

.case-content h3 {
    color: #1a73e8;
    margin-bottom: 15px;
}

.case-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    color: #2c97e8;
    font-size: 0.9rem;
}

.case-meta span {
    display: flex;
    align-items: center;
}

.case-meta i {
    margin-right: 5px;
}

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

.partners-section {
    padding: 60px 0;
    background-color: white;
}

.partners-section h3 {
    text-align: center;
    color: #1a73e8;
    margin-bottom: 40px;
    font-size: 1.8rem;
}

.client-logos {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.client-logo {
    color: #2c97e8;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.client-logo:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* 知识库分类 */
.knowledge-categories {
    padding: 40px 0;
    background-color: white;
}

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

.category-item {
    background: #f1f8ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

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

.category-icon {
    color: #2c97e8;
    margin-bottom: 20px;
}

.category-item h3 {
    color: #1a73e8;
    margin-bottom: 15px;
}

.category-item p {
    color: #666;
    margin-bottom: 20px;
}

/* 知识库文章 */
.knowledge-articles {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.knowledge-articles h3 {
    text-align: center;
    color: #1a73e8;
    margin-bottom: 40px;
    font-size: 1.8rem;
}

.articles-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.article-item {
    display: flex;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.article-thumb {
    flex: 1;
    background: #e9f4ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2c97e8;
    font-size: 2rem;
}

.article-content {
    flex: 3;
    padding: 25px;
}

.article-content h4 {
    color: #1a73e8;
    margin-bottom: 10px;
}

.article-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    color: #2c97e8;
    font-size: 0.9rem;
}

.article-meta span {
    display: flex;
    align-items: center;
}

.article-meta i {
    margin-right: 5px;
}

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

.read-more {
    color: #2c97e8;
    font-weight: bold;
}

.read-more:hover {
    color: #1a73e8;
}

.subscribe-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #2c97e8, #1a73e8);
    text-align: center;
    color: white;
}

.subscribe-section h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.subscribe-section p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.subscribe-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
}

.subscribe-form input {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 4px 0 0 4px;
    font-size: 1rem;
}

.subscribe-form button {
    border-radius: 0 4px 4px 0;
    border: none;
    padding: 0 30px;
}

/* 新闻筛选 */
.news-filter {
    background-color: white;
    padding: 20px 0;
}

.news-filter ul {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
    gap: 15px;
}

.news-filter ul li {
    padding: 10px 20px;
    background: #f1f8ff;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.news-filter ul li:hover,
.news-filter ul li.active {
    background: #2c97e8;
    color: white;
}

/* 新闻列表 */
.news-listing {
    padding: 40px 0;
    background-color: #f8f9fa;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

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

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.news-image {
    height: 200px;
    background: #e9f4ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2c97e8;
}

.news-content {
    padding: 25px;
}

.news-tags {
    margin-bottom: 15px;
}

.tag {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.tag.company {
    background: #d1e7ff;
    color: #1a73e8;
}

.tag.technology {
    background: #d1f5e0;
    color: #157347;
}

.tag.industry {
    background: #f8d7da;
    color: #bb2d3b;
}

.tag.policy {
    background: #fff3cd;
    color: #997404;
}

.news-content h3 {
    color: #1a73e8;
    margin-bottom: 15px;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    color: #6c757d;
    font-size: 0.9rem;
}

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

.news-meta i {
    margin-right: 5px;
}

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

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.pagination a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 4px;
    background: white;
    color: #1a73e8;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.pagination a:hover,
.pagination a.active {
    background: #2c97e8;
    color: white;
}

.popular-tags {
    padding: 60px 0;
    background-color: white;
}

.popular-tags h3 {
    text-align: center;
    color: #1a73e8;
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.tags .tag {
    background: #f1f8ff;
    color: #1a73e8;
    padding: 8px 20px;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.tags .tag:hover {
    background: #2c97e8;
    color: white;
    transform: translateY(-3px);
}

/* 联系我们 */
.contact-info {
    padding: 40px 0;
    background-color: white;
}

.contact-details {
    float: left;
    width: 40%;
}

.contact-item {
    display: flex;
    margin-bottom: 30px;
}

.contact-item i {
    color: #2c97e8;
    margin-right: 20px;
}

.contact-item h4 {
    color: #1a73e8;
    margin-bottom: 5px;
}

.contact-map {
    float: right;
    width: 55%;
}

.contact-map h3 {
    margin-bottom: 20px;
    color: #1a73e8;
}

.map-placeholder {
    height: 300px;
    background: #e9f4ff;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #2c97e8;
}

.map-placeholder i {
    margin-bottom: 20px;
}

.department-contacts {
    padding: 80px 0;
    background-color: #f8f9fa;
    clear: both;
}

.department-contacts h3 {
    text-align: center;
    color: #1a73e8;
    margin-bottom: 40px;
    font-size: 1.8rem;
}

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

.contact-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.contact-card i {
    color: #2c97e8;
    margin-bottom: 20px;
}

.contact-card h4 {
    color: #1a73e8;
    margin-bottom: 15px;
}

.contact-card p {
    margin-bottom: 10px;
    color: #666;
}

.business-hours {
    padding: 60px 0;
    background: linear-gradient(135deg, #2c97e8, #1a73e8);
    color: white;
    text-align: center;
}

.business-hours h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.hours-content p {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }

    .about-main,
    .sidebar {
        width: 100%;
        float: none;
        padding: 0;
    }

    .contact-details,
    .contact-map {
        width: 100%;
        float: none;
        margin-bottom: 40px;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .mobile-menu-button {
        display: block;
    }

    header .container {
        flex-direction: column;
        padding: 15px;
    }

    .logo {
        margin-bottom: 15px;
    }

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

    nav ul li {
        margin: 5px;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .subscribe-form {
        flex-direction: column;
        gap: 10px;
    }

    .subscribe-form input,
    .subscribe-form button {
        width: 100%;
        border-radius: 4px;
    }

    .process-steps {
        flex-direction: column;
    }

    .process-step:not(:last-child)::after {
        content: '↓';
        right: 50%;
        top: 100%;
        transform: translateX(50%);
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }

    .page-header h2 {
        font-size: 2rem;
    }
}