/*
* 微多多官网页面专用样式文件
* 创建日期: 2025-01-27
* 作者: www.weiduoduo.wang
* 功能: 子页面专用样式，包含文章页面、教程页面等布局样式
*/

/* 页面主体布局 */
.main-content {
  min-height: calc(100vh - 80px);
  padding-top: 0; /* 移除顶部内边距 */
}

/* 页面标题区域 */
.page-hero {
  background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
  color: #1976D2;
  padding: 80px 0 40px;
  text-align: center;
  margin-top: 0;
}

.breadcrumb {
  margin-bottom: 20px;
  font-size: 14px;
  opacity: 0.8;
}

.breadcrumb a {
  color: #1976D2;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
  color: #0D47A1;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

/* 内容区域布局 */
.content-section {
  padding: 60px 0;
}

.content-grid,
.page-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.content-main {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.content-sidebar {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  padding: 30px;
  position: sticky;
  top: 100px;
}

/* 文章内容样式 */
.article-content {
  padding: 40px;
}

.article-content h2 {
  color: #2c3e50;
  font-size: 1.8rem;
  margin: 40px 0 20px;
  padding-bottom: 10px;
  border-bottom: 3px solid #3498db;
  position: relative;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  color: #34495e;
  font-size: 1.4rem;
  margin: 30px 0 15px;
  font-weight: 600;
}

.article-content h4 {
  color: #2c3e50;
  font-size: 1.2rem;
  margin: 25px 0 12px;
  font-weight: 600;
}

.article-content p {
  line-height: 1.8;
  margin-bottom: 20px;
  color: #555;
  font-size: 16px;
}

.article-content ul,
.article-content ol {
  margin: 20px 0;
  padding-left: 30px;
}

.article-content li {
  margin-bottom: 10px;
  line-height: 1.6;
  color: #555;
}

/* 特色列表样式 */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 30px 0;
}

.feature-list li {
  background: #f8f9fa;
  margin: 15px 0;
  padding: 20px;
  border-radius: 8px;
  border-left: 4px solid #3498db;
  transition: all 0.3s ease;
}

.feature-list li:hover {
  background: #e3f2fd;
  transform: translateX(5px);
}

.feature-list strong {
  color: #2c3e50;
  font-weight: 600;
}

/* 场景卡片网格 */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin: 30px 0;
}

.scenario-card {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 25px;
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid #e0e6ed;
}

.scenario-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.scenario-card h4 {
  color: #2c3e50;
  font-size: 1.3rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.scenario-card p {
  color: #555;
  line-height: 1.6;
  margin: 0;
}

/* 教程步骤样式 */
.tutorial-step {
  display: flex;
  align-items: flex-start;
  margin: 30px 0;
  padding: 25px;
  background: #f8f9fa;
  border-radius: 12px;
  border: 1px solid #e9ecef;
}

.step-number {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  margin-right: 20px;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-content h4 {
  margin: 0 0 15px;
  color: #2c3e50;
  font-size: 1.3rem;
}

.step-content p {
  margin-bottom: 15px;
}

.step-content ul,
.step-content ol {
  margin: 15px 0;
}

/* 注意事项样式 */
.notice-box {
  background: #fff3cd;
  border: 1px solid #ffeaa7;
  border-left: 4px solid #f39c12;
  padding: 20px;
  border-radius: 8px;
  margin: 25px 0;
}

.notice-box.warning {
  background: #f8d7da;
  border-color: #f5c6cb;
  border-left-color: #e74c3c;
}

.notice-box.success {
  background: #d4edda;
  border-color: #c3e6cb;
  border-left-color: #27ae60;
}

.notice-box.info {
  background: #d1ecf1;
  border-color: #bee5eb;
  border-left-color: #3498db;
}

.notice-box h4 {
  margin: 0 0 10px;
  color: #2c3e50;
}

.notice-box p {
  margin: 0;
  color: #555;
}

/* FAQ样式 */
.faq-section {
  margin: 40px 0;
}

.faq-item {
  background: white;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.faq-question {
  background: #f8f9fa;
  padding: 20px;
  cursor: pointer;
  font-weight: 600;
  color: #2c3e50;
  border-bottom: 1px solid #e9ecef;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background: #e9ecef;
}

.faq-answer {
  padding: 20px;
  color: #555;
  line-height: 1.6;
}

/* 侧边栏样式 */
.sidebar-widget {
  margin-bottom: 30px;
}

.sidebar-widget:last-child {
  margin-bottom: 0;
}

.widget-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #3498db;
}

.widget-content {
  color: #555;
  line-height: 1.6;
}

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

.widget-list li {
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
}

.widget-list li:last-child {
  border-bottom: none;
}

.widget-list a {
  color: #555;
  text-decoration: none;
  transition: color 0.3s ease;
}

.widget-list a:hover {
  color: #3498db;
}

/* CTA按钮样式 */
.cta-box {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  margin: 30px 0;
}

.cta-box h3 {
  margin: 0 0 15px;
  font-size: 1.5rem;
}

.cta-box p {
  margin: 0 0 20px;
  opacity: 0.9;
}

/* 下载页面专用样式 */
.download-notice {
  padding: 40px 0;
  background: #f8f9fa;
}

.notice-card {
  display: flex;
  align-items: center;
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-left: 4px solid #FF9800;
}

.notice-icon {
  font-size: 2rem;
  margin-right: 20px;
}

.notice-content h3 {
  color: #FF9800;
  margin-bottom: 10px;
  font-size: 1.3rem;
}

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

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.platform-card {
  background: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #e0e0e0;
}

.platform-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.platform-icon {
  margin-bottom: 20px;
}

.platform-card h3 {
  color: #2c3e50;
  font-size: 1.5rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.platform-info {
  background: #f8f9fa;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  text-align: left;
}

.platform-info p {
  margin: 5px 0;
  font-size: 14px;
  color: #666;
}

.platform-features {
  text-align: left;
  margin-bottom: 25px;
}

.platform-features h4 {
  color: #2c3e50;
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.platform-features ul {
  list-style: none;
  padding: 0;
}

.platform-features li {
  padding: 5px 0;
  font-size: 14px;
  color: #555;
  line-height: 1.5;
}

.get-method-section {
  padding: 60px 0;
  background: #f8f9fa;
}

/* 步骤流程样式 */
.method-steps {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin: 40px 0;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 25px;
  background: #f8f9fa;
  border-radius: 12px;
  border-left: 4px solid #1976D2;
  transition: all 0.3s ease;
}

.step-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.step-number {
  background: #1976D2;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.step-content h4 {
  color: #1976D2;
  margin: 0 0 10px 0;
  font-size: 1.3rem;
}

.step-content p {
  margin: 0;
  color: #666;
  line-height: 1.6;
}

/* 联系卡片样式 */
.contact-card {
  background: linear-gradient(135deg, #1976D2, #42A5F5);
  color: white;
  padding: 30px;
  border-radius: 15px;
  margin: 40px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.contact-info h3 {
  margin: 0 0 20px 0;
  font-size: 1.5rem;
}

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

.contact-label {
  font-weight: bold;
  min-width: 100px;
}

.contact-value {
  color: #E3F2FD;
}

/* 优势网格样式 */
.advantages-section {
  padding: 60px 0;
  background: #f8f9fa;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.advantage-item {
  background: white;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.advantage-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.advantage-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
}

.advantage-item h4 {
  color: #1976D2;
  margin: 0 0 15px 0;
  font-size: 1.3rem;
}

.advantage-item p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 用户评价样式 */
.testimonials-section {
  padding: 60px 0;
}

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

.testimonial-item {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  border-left: 4px solid #1976D2;
  transition: all 0.3s ease;
}

.testimonial-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.testimonial-content {
  margin-bottom: 20px;
}

.testimonial-content p {
  font-style: italic;
  color: #555;
  line-height: 1.7;
  margin: 0;
  font-size: 1.1rem;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.author-name {
  font-weight: bold;
  color: #1976D2;
}

.author-role {
  color: #888;
  font-size: 0.9rem;
}

/* 常见问题样式 */
.faq-section {
  padding: 60px 0;
  background: #f8f9fa;
}

.faq-list {
  margin-top: 40px;
}

.faq-item {
  background: white;
  margin-bottom: 20px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.faq-item h4 {
  background: #1976D2;
  color: white;
  margin: 0;
  padding: 20px 25px;
  font-size: 1.1rem;
  font-weight: 600;
}

.faq-item p {
  margin: 0;
  padding: 20px 25px;
  color: #555;
  line-height: 1.6;
  background: white;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .content-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .content-sidebar {
    order: -1;
    position: static;
  }
}

@media (max-width: 768px) {
  .page-title {
    font-size: 2rem;
  }
  
  .page-subtitle {
    font-size: 1.1rem;
  }
  
  .article-content {
    padding: 25px;
  }
  
  .content-sidebar {
    padding: 20px;
  }
  
  .tutorial-step {
    flex-direction: column;
    text-align: center;
  }
  
  .step-number {
    margin: 0 auto 20px;
  }
  
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  
  .platform-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .platform-card {
    padding: 20px;
  }
  
  .notice-card {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }
  
  .notice-icon {
    margin-right: 0;
    margin-bottom: 15px;
  }
  
  .contact-card {
    flex-direction: column;
    text-align: center;
  }
  
  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .step-item {
    flex-direction: column;
    text-align: center;
  }
  
  .step-number {
     align-self: center;
   }
 }

/* 关于我们页面样式 */
/* 公司介绍样式 */
.company-intro {
  padding: 60px 0;
}

.intro-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  align-items: center;
}

.intro-text h2 {
  color: #1976D2;
  font-size: 2.2rem;
  margin-bottom: 30px;
}

.intro-text p {
  color: #555;
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.intro-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.stat-item {
  text-align: center;
  padding: 25px;
  background: #f8f9fa;
  border-radius: 12px;
  border-left: 4px solid #1976D2;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: #1976D2;
  margin-bottom: 10px;
}

.stat-label {
  color: #666;
  font-size: 1rem;
}

/* 核心价值样式 */
.core-values {
  padding: 60px 0;
  background: #f8f9fa;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.value-item {
  background: white;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.value-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.value-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
}

.value-item h3 {
  color: #1976D2;
  margin: 0 0 15px 0;
  font-size: 1.4rem;
}

.value-item p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 团队介绍样式 */
.team-section {
  padding: 60px 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.team-member {
  background: white;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.team-member:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.member-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: #E3F2FD;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-placeholder {
  font-size: 2.5rem;
}

.team-member h4 {
  color: #1976D2;
  margin: 0 0 10px 0;
  font-size: 1.3rem;
}

.member-role {
  color: #888;
  font-weight: bold;
  margin-bottom: 15px;
}

.member-desc {
  color: #666;
  line-height: 1.6;
  margin: 0;
  font-size: 0.95rem;
}

/* 技术优势样式 */
.tech-advantages {
  padding: 60px 0;
  background: #f8f9fa;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.tech-item {
  background: white;
  padding: 25px;
  border-radius: 12px;
  border-left: 4px solid #1976D2;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.tech-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.tech-item h4 {
  color: #1976D2;
  margin: 0 0 15px 0;
  font-size: 1.2rem;
}

.tech-item p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 服务承诺样式 */
.service-promise {
  padding: 60px 0;
}

.promise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.promise-item {
  background: white;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.promise-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.promise-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
}

.promise-item h4 {
  color: #1976D2;
  margin: 0 0 15px 0;
  font-size: 1.3rem;
}

.promise-item p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 发展历程样式 */
.timeline-section {
  padding: 60px 0;
  background: #f8f9fa;
}

.timeline {
  position: relative;
  margin-top: 40px;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #1976D2;
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  display: flex;
  align-items: flex-start;
  gap: 30px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -37px;
  top: 10px;
  width: 12px;
  height: 12px;
  background: #1976D2;
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 0 0 3px #1976D2;
}

.timeline-year {
  background: #1976D2;
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: bold;
  font-size: 1.1rem;
  min-width: 80px;
  text-align: center;
}

.timeline-content {
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  flex: 1;
}

.timeline-content h4 {
  color: #1976D2;
  margin: 0 0 10px 0;
  font-size: 1.3rem;
}

.timeline-content p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 联系我们样式 */
.contact-section {
  padding: 60px 0;
}

.contact-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contact-info h3 {
  color: #1976D2;
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.contact-info > p {
  color: #666;
  font-size: 1.1rem;
  margin-bottom: 40px;
  line-height: 1.6;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.contact-method {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  border-left: 4px solid #1976D2;
  transition: all 0.3s ease;
}

.contact-method:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
  background: white;
}

.method-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
  display: block;
}

.method-info h4 {
  color: #1976D2;
  margin: 0 0 10px 0;
  font-size: 1.2rem;
}

.method-info p {
  color: #666;
  margin: 5px 0;
  line-height: 1.5;
}

/* 关于页面响应式设计 */
@media (max-width: 768px) {
  .intro-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .intro-stats {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  
  .values-grid,
  .team-grid,
  .promise-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .tech-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .timeline {
    padding-left: 20px;
  }
  
  .timeline-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .timeline-item::before {
    left: -27px;
  }
  
  .contact-methods {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .contact-method {
    padding: 20px;
  }
  
  .method-icon {
    font-size: 2rem;
    margin-bottom: 10px;
  }
 }

/* 网站地图页面样式 */
.sitemap-content {
  max-width: 1200px;
  margin: 0 auto;
}

.sitemap-section {
  margin-bottom: 60px;
  padding: 40px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.sitemap-title {
  color: #1976D2;
  font-size: 1.8rem;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 3px solid #E3F2FD;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 网站地图网格布局 */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
  width: 100%;
}

/* 强制在大屏幕上显示多列 */
@media (min-width: 992px) {
  .sitemap-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .sitemap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.sitemap-category {
  background: #f8f9fa;
  padding: 25px;
  border-radius: 12px;
  border-left: 4px solid #1976D2;
  transition: all 0.3s ease;
}

.sitemap-category:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.sitemap-category h3 {
  color: #1976D2;
  font-size: 1.3rem;
  margin: 0 0 20px 0;
  font-weight: 600;
}

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

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

.sitemap-links a {
  color: #555;
  text-decoration: none;
  font-size: 1.05rem;
  padding: 8px 12px;
  border-radius: 6px;
  display: block;
  transition: all 0.3s ease;
  position: relative;
  padding-left: 25px;
}

.sitemap-links a:before {
  content: '→';
  position: absolute;
  left: 8px;
  color: #1976D2;
  font-weight: bold;
}

.sitemap-links a:hover {
  background: #1976D2;
  color: white;
  transform: translateX(5px);
}

.sitemap-links a.current {
  background: #1976D2;
  color: white;
  font-weight: bold;
}

.category-description {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #ddd;
}

.category-description p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
  font-style: italic;
}

/* 功能特色样式 */
.feature-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.feature-item {
  background: #f8f9fa;
  padding: 25px;
  border-radius: 12px;
  text-align: center;
  border-left: 4px solid #1976D2;
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
  background: white;
}

.feature-item h3 {
  color: #1976D2;
  font-size: 1.2rem;
  margin: 0 0 15px 0;
}

.feature-item p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 关键词云样式 */
.keywords-cloud {
  margin-top: 30px;
}

.keyword-category {
  margin-bottom: 30px;
}

.keyword-category h3 {
  color: #1976D2;
  font-size: 1.2rem;
  margin-bottom: 15px;
  padding-bottom: 8px;
  border-bottom: 2px solid #E3F2FD;
}

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

.keyword-tag {
  background: #E3F2FD;
  color: #1976D2;
  padding: 8px 16px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.keyword-tag:hover {
  background: #1976D2;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(25,118,210,0.3);
}

/* 网站统计样式 */
.site-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.site-stats .stat-item {
  background: linear-gradient(135deg, #1976D2, #42A5F5);
  color: white;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(25,118,210,0.3);
  transition: all 0.3s ease;
}

.site-stats .stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(25,118,210,0.4);
}

.site-stats .stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.site-stats .stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* 最近更新样式 */
.recent-updates {
  margin-top: 30px;
}

.update-item {
  display: flex;
  gap: 25px;
  padding: 25px;
  background: #f8f9fa;
  border-radius: 12px;
  margin-bottom: 20px;
  border-left: 4px solid #1976D2;
  transition: all 0.3s ease;
}

.update-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
  background: white;
}

.update-date {
  background: #1976D2;
  color: white;
  padding: 10px 15px;
  border-radius: 8px;
  font-weight: bold;
  font-size: 0.95rem;
  min-width: 100px;
  text-align: center;
  height: fit-content;
}

.update-content {
  flex: 1;
}

.update-content h4 {
  color: #1976D2;
  margin: 0 0 10px 0;
  font-size: 1.2rem;
}

.update-content p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 联系信息样式 */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.contact-info .contact-item {
  background: #f8f9fa;
  padding: 30px 25px;
  border-radius: 15px;
  text-align: center;
  border-left: 5px solid #1976D2;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.contact-info .contact-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(25,118,210,0.2);
  background: white;
  border-left-color: #42A5F5;
}

.contact-info .contact-item h3 {
  color: #1976D2;
  font-size: 1.3rem;
  margin: 0 0 18px 0;
  font-weight: 600;
}

.contact-info .contact-item p {
  color: #666;
  line-height: 1.6;
  margin: 8px 0;
  font-size: 0.95rem;
}

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

.contact-info .contact-item strong {
  color: #1976D2;
  font-weight: 600;
}

/* 免责声明样式 */
.disclaimer {
  margin-top: 30px;
}

.disclaimer-content {
  background: #fff3cd;
  border: 1px solid #ffeaa7;
  border-radius: 12px;
  padding: 30px;
}

.disclaimer-content h3 {
  color: #856404;
  font-size: 1.3rem;
  margin: 0 0 15px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid #ffeaa7;
}

.disclaimer-content ul {
  margin: 0 0 25px 0;
  padding-left: 20px;
}

.disclaimer-content li {
  color: #856404;
  line-height: 1.6;
  margin-bottom: 8px;
}

/* 网站地图响应式设计 */
@media (max-width: 768px) {
  .sitemap-section {
    padding: 25px 20px;
    margin-bottom: 40px;
  }
  
  .sitemap-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .feature-highlights {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .keyword-tags {
    justify-content: center;
  }
  
  .site-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .update-item {
    flex-direction: column;
    text-align: center;
  }
  
  .update-date {
    align-self: center;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  
  .contact-info .contact-item {
    padding: 25px 20px;
    border-radius: 12px;
  }
  
  .contact-info .contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
  }
  
  .contact-info .contact-item p {
    font-size: 0.9rem;
  }
  
  .sitemap-links a {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .page-hero {
    padding: 40px 0 30px;
  }
  
  .page-title {
    font-size: 1.8rem;
  }
  
  .article-content {
    padding: 20px;
  }
  
  .article-content h2 {
    font-size: 1.5rem;
  }
  
  .article-content h3 {
    font-size: 1.3rem;
  }
}