/* baidu-03750 主样式文件 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}

.baidu-03750-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 头部导航 */
.baidu-03750-header {
  background: #dc2626;
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.baidu-03750-header .baidu-03750-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.baidu-03750-logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.baidu-03750-nav {
  display: flex;
  gap: 2rem;
}

.baidu-03750-nav-item {
  color: white;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background 0.3s;
}

.baidu-03750-nav-item:hover,
.baidu-03750-nav-item.baidu-03750-active {
  background: #ef4444;
}

/* Banner */
.baidu-03750-banner {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: white;
  padding: 6rem 2rem;
  text-align: center;
}

.baidu-03750-banner-title {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: bold;
}

.baidu-03750-banner-subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.baidu-03750-banner-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.baidu-03750-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
}

.baidu-03750-btn-primary {
  background: white;
  color: #dc2626;
}

.baidu-03750-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.baidu-03750-btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.baidu-03750-btn-secondary:hover {
  background: white;
  color: #dc2626;
}

.baidu-03750-btn-outline {
  background: transparent;
  color: #dc2626;
  border: 2px solid #dc2626;
  padding: 0.75rem 2rem;
}

.baidu-03750-btn-outline:hover {
  background: #dc2626;
  color: white;
}

/* 通用区块 */
.baidu-03750-section {
  padding: 4rem 2rem;
}

.baidu-03750-section:nth-child(even) {
  background: #f9fafb;
}

.baidu-03750-section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 3rem;
  color: #dc2626;
}

.baidu-03750-read-more {
  display: inline-block;
  margin-top: 1rem;
  color: #dc2626;
  text-decoration: none;
  font-weight: 500;
}

.baidu-03750-read-more:hover {
  text-decoration: underline;
}

/* 服务网格 */
.baidu-03750-service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.baidu-03750-service-item {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.baidu-03750-service-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.baidu-03750-service-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.baidu-03750-service-item h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #dc2626;
}

/* 新闻网格 */
.baidu-03750-news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.baidu-03750-news-item {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.baidu-03750-news-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.baidu-03750-news-date {
  color: #6b7280;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.baidu-03750-news-title {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  color: #dc2626;
}

.baidu-03750-news-summary {
  color: #4b5563;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.baidu-03750-news-link {
  color: #dc2626;
  text-decoration: none;
  font-weight: 500;
}

.baidu-03750-news-link:hover {
  text-decoration: underline;
}

.baidu-03750-news-more {
  text-align: center;
  margin-top: 2rem;
}

/* 产品卡片 */
.baidu-03750-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.baidu-03750-product-card {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.baidu-03750-product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.baidu-03750-product-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.baidu-03750-product-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #dc2626;
}

.baidu-03750-product-card p {
  margin-bottom: 1rem;
  color: #4b5563;
}

.baidu-03750-product-features {
  list-style: none;
  padding: 0;
}

.baidu-03750-product-features li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: #6b7280;
}

.baidu-03750-product-features li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #dc2626;
  font-weight: bold;
}

/* 新闻列表 */
.baidu-03750-news-list {
  max-width: 900px;
  margin: 0 auto;
}

.baidu-03750-news-article {
  background: white;
  padding: 2rem;
  margin-bottom: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.baidu-03750-news-meta {
  margin-bottom: 1rem;
}

.baidu-03750-news-article-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #dc2626;
}

.baidu-03750-news-article-content {
  line-height: 1.8;
  color: #4b5563;
}

/* 关于我们页面 */
.baidu-03750-about-intro,
.baidu-03750-about-business {
  background: white;
  padding: 2rem;
  margin-bottom: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.baidu-03750-about-intro h2,
.baidu-03750-about-business h2 {
  color: #dc2626;
  margin-bottom: 1rem;
}

.baidu-03750-about-intro p,
.baidu-03750-about-business p {
  line-height: 1.8;
  color: #4b5563;
}

.baidu-03750-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.baidu-03750-feature-item {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  text-align: center;
}

.baidu-03750-feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.baidu-03750-feature-item h3 {
  color: #dc2626;
  margin-bottom: 0.5rem;
}

/* 联系我们页面 */
.baidu-03750-contact-intro {
  background: white;
  padding: 2rem;
  margin-bottom: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.baidu-03750-contact-intro h2 {
  color: #dc2626;
  margin-bottom: 1rem;
}

.baidu-03750-contact-intro p {
  line-height: 1.8;
  color: #4b5563;
  margin-bottom: 1rem;
}

.baidu-03750-contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.baidu-03750-contact-item {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  text-align: center;
}

.baidu-03750-contact-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.baidu-03750-contact-item h3 {
  color: #dc2626;
  margin-bottom: 0.5rem;
}

.baidu-03750-contact-cta {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: white;
  padding: 3rem 2rem;
  margin-top: 2rem;
  border-radius: 8px;
  text-align: center;
}

.baidu-03750-contact-cta h2 {
  margin-bottom: 1rem;
}

.baidu-03750-contact-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* 页脚 */
.baidu-03750-footer {
  background: #1f2937;
  color: white;
  padding: 3rem 2rem 1rem;
}

.baidu-03750-footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.baidu-03750-footer-section h4 {
  margin-bottom: 1rem;
}

.baidu-03750-footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.baidu-03750-footer-link {
  color: #9ca3af;
  text-decoration: none;
}

.baidu-03750-footer-link:hover {
  color: white;
}

.baidu-03750-friend-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.baidu-03750-friend-links a {
  color: #9ca3af;
  text-decoration: none;
}

.baidu-03750-friend-links a:hover {
  color: white;
}

.baidu-03750-footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  color: #9ca3af;
}

/* 内页样式 */
.baidu-03750-main {
  min-height: 60vh;
  padding: 4rem 2rem;
}

.baidu-03750-page-title {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: #dc2626;
  text-align: center;
}

.baidu-03750-page-content {
  line-height: 1.8;
  font-size: 1.1rem;
}

.baidu-03750-page-intro {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 1.125rem;
  color: #6b7280;
}

.baidu-03750-products-intro {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 1.125rem;
  color: #6b7280;
}

.baidu-03750-news-intro {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 1.125rem;
  color: #6b7280;
}