/* 核心业务模块样式 */
.core-business {
  padding: 80px 0;
  background: #f8f9fa;
}

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

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: #333;
  font-weight: 700;
  position: relative;
}

.section-header h2:after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(135deg, #007bff, #0056b3);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: #666;
  margin: 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* 业务网格布局 */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}

/* 业务卡片样式 */
.business-card {
  background: white;
  padding: 35px 25px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 2px solid transparent;
}

.business-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  border-color: #007bff;
}

.business-icon {
  font-size: 2.5rem;
  margin-bottom: 18px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.business-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: #333;
  font-weight: 600;
}

.business-card p {
  color: #666;
  line-height: 1.5;
  margin-bottom: 18px;
  font-size: 0.95rem;
  flex-grow: 1;
}

.business-link {
  color: #0066cc;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
  font-size: 0.95rem;
}

.business-link:hover {
  color: #0052a3;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .business-grid {
    gap: 20px;
    max-width: 1000px;
  }

  .business-card {
    padding: 30px 20px;
  }

  .business-card h3 {
    font-size: 1.2rem;
  }

  .business-card p {
    font-size: 0.9rem;
  }
}

@media (max-width: 900px) {
  .business-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 700px;
    gap: 18px;
  }

  .section-header h2 {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .core-business {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 50px;
  }

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

  .section-subtitle {
    font-size: 1rem;
  }

  .business-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .business-card {
    padding: 25px 20px;
  }

  .business-icon {
    font-size: 2.2rem;
    margin-bottom: 15px;
  }

  .business-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }

  .business-card p {
    font-size: 0.9rem;
    margin-bottom: 15px;
  }
}

@media (max-width: 480px) {
  .core-business .container {
    padding: 0 15px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .business-card {
    padding: 20px 15px;
  }

  .business-icon {
    font-size: 2rem;
  }

  .business-card h3 {
    font-size: 1.1rem;
  }

  .business-card p {
    font-size: 0.85rem;
  }

  .business-link {
    font-size: 0.9rem;
  }
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.business-card {
  animation: fadeInUp 0.6s ease-out;
}

.business-card:nth-child(1) { animation-delay: 0.1s; }
.business-card:nth-child(2) { animation-delay: 0.2s; }
.business-card:nth-child(3) { animation-delay: 0.3s; }
.business-card:nth-child(4) { animation-delay: 0.4s; }
.business-card:nth-child(5) { animation-delay: 0.5s; }
.business-card:nth-child(6) { animation-delay: 0.6s; }

/* 新闻动态模块样式 */
.news-section {
  padding: 80px 0;
  background: #f8f9fa;
  border-top: 1px solid #e9ecef;
}

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

.news-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: #2c3e50;
  font-weight: 700;
}

.news-section .section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 50px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.news-modules {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.news-module {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  border: 1px solid #e9ecef;
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.news-module h3 {
  font-size: 1.5rem;
  color: #2c3e50;
  margin-bottom: 25px;
  font-weight: 600;
  position: relative;
  padding-bottom: 12px;
}

.news-module h3:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 2px;
}

.news-links {
  list-style: none;
  padding: 0;
  margin: 0 0 25px 0;
}

.news-links li {
  margin-bottom: 12px;
  padding-left: 20px;
  position: relative;
}

.news-links li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
  font-size: 1.2rem;
}

.news-links a {
  color: #2c3e50;
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.5;
  transition: all 0.3s ease;
  display: block;
  padding: 5px 0;
}

.news-links a:hover {
  color: #667eea;
  padding-left: 5px;
}

/* 专家名、新闻标题和日期样式 - 确保完全一致 */
.expert-name {
  display: inline;
  font-weight: 600;
  color: #28a745;
  margin-right: 5px;
}

.news-title {
  display: inline;
  margin-right: 10px;
}

.news-date {
  display: inline;
  font-size: 0.8rem;
  color: #888;
  font-style: italic;
}

/* 确保专家观点链接与新闻动态完全一致 */
.news-module .news-links a {
  color: #2c3e50;
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.5;
  transition: all 0.3s ease;
  display: block;
  padding: 5px 0;
}

.news-module .news-links a:hover {
  color: #667eea;
  padding-left: 5px;
}

.module-footer {
  text-align: right;
  border-top: 1px solid #f8f9fa;
  padding-top: 20px;
  margin-top: 20px;
  position: relative;
}

.more-link {
  color: #667eea;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.more-link:hover {
  color: #5a6fd8;
  transform: translateX(3px);
}

/* 响应式设计 */
@media (max-width: 900px) {
  .news-modules {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .news-module {
    padding: 25px;
  }
}

@media (max-width: 768px) {
  .news-section {
    padding: 60px 0;
  }

  .news-section h2 {
    font-size: 2rem;
  }

  .news-section .section-subtitle {
    font-size: 1.1rem;
  }

  .news-module {
    padding: 20px;
  }

  .news-module h3 {
    font-size: 1.3rem;
  }

  .news-links a {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .news-section {
    padding: 50px 0;
  }

  .news-module {
    padding: 15px;
  }

  .news-module h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
  }

  .news-links li {
    margin-bottom: 10px;
  }

  .news-links a {
    font-size: 0.85rem;
  }

  .news-date {
    font-size: 0.75rem;
  }

  .module-footer {
    text-align: center;
    padding-top: 15px;
  }
}



/* Academic Books Section */
.academic-books-section {
  padding: 80px 0;
  background: #f8f9fa;
  border-top: 1px solid #e9ecef;
}

.academic-books-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: #2c3e50;
  font-weight: 700;
}

.academic-books-section .section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 50px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.books-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; max-width: 1200px; margin: 0 auto 24px; }
.book-item { background:#fff; border-radius:8px; overflow:hidden; box-shadow:0 4px 12px rgba(0,0,0,0.1); display:flex; flex-direction:column; }
.book-cover { height: 260px; width:100%; display:flex; justify-content:center; align-items:flex-start; background:#fff; overflow:hidden; }
.book-cover img { width:auto; height:100%; object-fit:contain; object-position: top center; }
.book-info { padding:12px 10px 14px; text-align: center; }
.book-info h3 { margin:0; font-size:0.95rem; line-height:1.3; -webkit-line-clamp: 2; height: 2.6em; text-align: center; }
.book-author { margin:0; }

.books-footer {
  text-align: center;
  margin-top: 30px;
}

.btn-outline {
  background: transparent;
  color: #667eea;
  border: 2px solid #667eea;
  padding: 12px 30px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-outline:hover {
  background: #667eea;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102,126,234,0.3);
}

/* 响应式设计 */

@media (max-width: 1400px) {
  .books-grid {
    grid-template-columns: repeat(5, 1fr);
    max-width: 1200px;
  }
}

@media (max-width: 1200px) {
  .books-grid {
    grid-template-columns: repeat(4, 1fr);
    max-width: 1000px;
  }
}

@media (max-width: 900px) {
  .books-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 800px;
  }

  .academic-books-section {
    padding: 60px 0;
  }

  .academic-books-section h2 {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .books-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    max-width: 600px;
  }

  .book-item {
    height: 260px;
  }

  .book-cover {
    height: 160px;
  }

  .book-info {
    padding: 12px;
  }

  .book-info h3 {
    font-size: 0.85rem;
  }

  .book-author {
    font-size: 0.75rem;
  }

  .academic-books-section h2 {
    font-size: 2rem;
  }

  .academic-books-section .section-subtitle {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .books-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    max-width: 350px;
  }

  .book-item {
    height: 240px;
  }

  .book-cover {
    height: 140px;
  }

  .book-info {
    padding: 10px;
  }

  .book-info h3 {
    font-size: 0.8rem;
    -webkit-line-clamp: 3;
    height: 3.6em;
  }

  .book-author {
    font-size: 0.7rem;
  }

  .academic-books-section {
    padding: 50px 0;
  }

  .academic-books-section h2 {
    font-size: 1.8rem;
  }

  .academic-books-section .section-subtitle {
    font-size: 1rem;
  }

  .btn-outline {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

/* Footer 组件样式 */
.footer {
  background: #2c3e50;
  color: white;
  padding: 40px 0 20px;
  margin-top: auto;
}

.footer-content {
  text-align: center;
}

.footer-content h2 {
  font-size: 2rem;
  color: #ecf0f1;
  margin-bottom: 30px;
  font-weight: 600;
}

.contact-info {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  color: #ecf0f1;
}

.contact-item strong {
  color: #3498db;
  font-weight: 600;
}

.contact-item a {
  color: #ecf0f1;
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 500;
}

.contact-item a:hover {
  color: #3498db;
  text-decoration: underline;
}

.icp-info {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 60px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.icp-left {
  display: flex;
  align-items: center;
}

.icp-left a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #95a5a6;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
  transition: color 0.3s ease;
}

.icp-left a:hover {
  color: #3498db;
}

.icp-left img {
  width: 16px;
  height: 16px;
  vertical-align: middle;
}

.icp-right {
  display: flex;
  align-items: center;
}

.icp-right span {
  color: #95a5a6;
  font-size: 0.9rem;
  font-weight: 400;
}

.footer-bottom {
  border-top: 1px solid #34495e;
  padding-top: 20px;
  margin-top: 20px;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.9rem;
  color: #95a5a6;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .footer {
    padding: 30px 0 15px;
  }

  .footer-content h2 {
    font-size: 1.6rem;
    margin-bottom: 25px;
  }

  .contact-info {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .contact-item {
    justify-content: center;
    font-size: 0.95rem;
  }

  .icp-info {
    flex-direction: column;
    text-align: center;
    gap: 20px;
    max-width: 100%;
  }

  .icp-left a {
    font-size: 0.85rem;
  }

  .icp-right span {
    font-size: 0.85rem;
  }

  .footer-bottom p {
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .footer {
    padding: 25px 0 10px;
  }

  .footer-content h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
  }

  .contact-info {
    gap: 15px;
    margin-bottom: 20px;
  }

  .contact-item {
    font-size: 0.9rem;
  }

  .icp-left a {
    font-size: 0.8rem;
  }

  .icp-left img {
    width: 14px;
    height: 14px;
  }

  .icp-right span {
    font-size: 0.8rem;
  }

  .footer-bottom {
    padding-top: 15px;
    margin-top: 15px;
  }

  .footer-bottom p {
    font-size: 0.8rem;
  }
}

/* 首页样式 */
.homepage {
  min-height: 100vh;
}

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

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 80px 0;
  text-align: center;
}

.hero-section h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

.hero-description {
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 40px;
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  padding: 12px 30px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: #0066cc;
  color: white;
}

.btn-primary:hover {
  background: #0052a3;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background: white;
  color: #667eea;
}

/* Features Section - 已移至 CoreBusiness 组件 */
/* News Section - 已移至 NewsSection 组件 */
/* Academic Books Section - 已移至 AcademicBooks 组件 */

/* Team Section */
.team-section {
  padding: 80px 0;
  background: white;
}

.team-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: #333;
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 50px;
}

.team-preview {
  text-align: center;
}

.team-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: #0066cc;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1.1rem;
  color: #666;
}

/* Contact Section - 已移至 Footer 组件 */

/* 响应式设计 */

@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    padding: 10px 25px;
    font-size: 14px;
  }

  .team-section h2,
  .contact-section h2 {
    font-size: 2rem;
  }

  .team-stats {
    gap: 30px;
  }

  .stat-number {
    font-size: 2.5rem;
  }
}