:root {
  --primary-color: #0F766E;
  --primary-dark: #0D5D56;
  --primary-light: #5EEAD4;
  
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-muted: #BDBDBD;
  --text-light: #ffffff;
  
  --bg-white: #ffffff;
  --bg-gray: #FAFAFA;
  --bg-dark: #212121;
  
  --border-color: #E0E0E0;
  --border-light: #EEEEEE;
  
  --link-color: #757575;
  --link-hover: #0F766E;
  
  --font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --font-size-xs: 14px;
  --font-size-sm: 16px;
  --font-size-base: 18px;
  --font-size-lg: 20px;
  --font-size-xl: 22px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;
  
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  --container-width: 1280px;
  --sidebar-width: 350px;
  --content-width: 890px;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--link-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea {
  font-family: inherit;
  outline: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.flex {
  display: flex;
}

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

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.grid {
  display: grid;
}

.main-layout {
  display: flex;
  gap: var(--space-lg);
}

.content-area {
  flex: 1;
  min-width: 0;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
}

.hero-section {
  display: flex;
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.hero-news-list {
  width: 320px;
  flex-shrink: 0;
  background-color: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.hero-news-header {
  padding: var(--space-md);
  background-color: var(--primary-color);
  color: var(--text-light);
}

.hero-news-title {
  font-size: var(--font-size-lg);
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero-news-title i {
  color: #5EEAD4;
}

.hero-news-items {
  padding: var(--space-sm) 0;
}

.hero-news-item {
  border-bottom: 1px solid var(--border-light);
}

.hero-news-item:last-child {
  border-bottom: none;
}

.hero-news-label {
  display: flex;
  align-items: flex-start;
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.hero-news-label:hover {
  background-color: var(--bg-gray);
}

.hero-news-radio {
  margin-top: 4px;
  margin-right: var(--space-sm);
  cursor: pointer;
  accent-color: var(--primary-color);
}

.hero-news-text {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-news-label:hover .hero-news-text,
.hero-news-radio:checked + .hero-news-text {
  color: var(--primary-color);
}

.hero-right {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 9 / 5;
  background-color: var(--bg-gray);
  min-height: 300px;
}

.hero-carousel-wrapper {
  display: flex;
  height: 100%;
  width: 100%;
  transition: transform 0.5s ease;
  will-change: transform;
}

.hero-carousel-slide {
  min-width: 100%;
  width: 100%;
  height: 100%;
  position: relative;
  flex-shrink: 0;
}

.hero-carousel-slide a {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background-color: var(--bg-gray);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 300'%3E%3Crect fill='%23F9FAFB' width='400' height='300'/%3E%3Ctext fill='%239CA3AF' font-family='Arial,sans-serif' font-size='24' x='50%25' y='50%25' text-anchor='middle' dy='.3em'%3E加载中...%3C/text%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.hero-carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: var(--text-light);
}

.hero-carousel-caption h3 {
  font-size: var(--font-size-lg);
  font-weight: 500;
  line-height: 1.4;
}

.hero-carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background-color: rgba(0, 0, 0, 0.5);
  color: var(--text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast), background-color var(--transition-fast);
  z-index: 10;
}

.hero-carousel:hover .hero-carousel-arrow {
  opacity: 1;
}

.hero-carousel-arrow:hover {
  background-color: rgba(0, 0, 0, 0.7);
}

.hero-carousel-arrow.prev {
  left: var(--space-md);
}

.hero-carousel-arrow.next {
  right: var(--space-md);
}

.hero-carousel-dots {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  display: flex;
  gap: var(--space-xs);
  z-index: 10;
}

.hero-carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.hero-carousel-dot.active,
.hero-carousel-dot:hover {
  background-color: var(--text-light);
}

.hero-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.hero-card {
  background-color: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.hero-card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.hero-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.hero-card:hover .hero-card-image img {
  transform: scale(1.05);
}

.hero-card-content {
  padding: var(--space-md);
}

.hero-card-title {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-card-title a {
  color: inherit;
}

.hero-card:hover .hero-card-title {
  color: var(--primary-color);
}

@media (max-width: 991px) {
  .hero-section {
    flex-direction: column;
  }
  
  .hero-news-list {
    width: 100%;
    max-height: 200px;
    overflow-y: auto;
  }
  
  .hero-news-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    padding: var(--space-sm);
  }
  
  .hero-news-item {
    border-bottom: none;
    flex: 1;
    min-width: 200px;
  }
  
  .hero-news-label {
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--bg-gray);
    border-radius: var(--radius-sm);
  }
  
  .hero-news-text {
    -webkit-line-clamp: 1;
  }
  
  .hero-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }
}

@media (max-width: 768px) {
  .hero-section {
    gap: var(--space-md);
  }
  
  .hero-news-list {
    max-height: 150px;
  }
  
  .hero-news-items {
    flex-direction: column;
  }
  
  .hero-news-item {
    min-width: 100%;
  }
  
  .hero-carousel {
    aspect-ratio: 16 / 9;
  }
  
  .hero-carousel-caption {
    padding: var(--space-sm);
  }
  
  .hero-carousel-caption h3 {
    font-size: var(--font-size-base);
  }
  
  .hero-carousel-arrow {
    width: 36px;
    height: 36px;
    font-size: 14px;
    opacity: 1;
  }
  
  .hero-cards {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .hero-card {
    display: flex;
    gap: var(--space-md);
  }
  
  .hero-card-image {
    width: 120px;
    flex-shrink: 0;
    aspect-ratio: 4 / 3;
  }
  
  .hero-card-content {
    flex: 1;
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-sm) var(--space-sm) 0;
  }
}

.carousel-section {
  margin: var(--space-lg) 0;
}

.carousel-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.carousel-wrapper {
  display: flex;
  transition: transform 0.5s ease;
  will-change: transform;
}

.carousel-slide {
  min-width: 100%;
  position: relative;
}

.carousel-slide img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: var(--text-light);
}

.carousel-caption h3 {
  font-size: var(--font-size-lg);
  font-weight: 500;
  line-height: 1.4;
}

.carousel-dots {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  display: flex;
  gap: var(--space-xs);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.carousel-dot.active,
.carousel-dot:hover {
  background-color: var(--text-light);
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background-color: rgba(0, 0, 0, 0.5);
  color: var(--text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast), background-color var(--transition-fast);
}

.carousel-container:hover .carousel-arrow {
  opacity: 1;
}

.carousel-arrow:hover {
  background-color: rgba(0, 0, 0, 0.7);
}

.carousel-arrow.prev {
  left: var(--space-md);
}

.carousel-arrow.next {
  right: var(--space-md);
}

.news-section {
  margin-bottom: var(--space-xl);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--primary-color);
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: bold;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.section-title::before {
  content: '';
  width: 4px;
  height: 20px;
  background-color: var(--primary-color);
}

.section-more {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.section-more:hover {
  color: var(--primary-color);
}

.news-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.news-grid-3 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.news-grid-3 .news-card {
  flex-direction: column;
  padding: var(--space-sm);
}

.news-grid-3 .news-card-image {
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  flex-shrink: 1;
}

.news-grid-3 .news-card-title {
  font-size: var(--font-size-base);
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-grid-3 .news-card-meta {
  margin-bottom: 0;
}

.news-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: box-shadow var(--transition-fast);
}

.news-card:hover {
  box-shadow: var(--shadow-md);
}

.news-card-image {
  width: 200px;
  height: 140px;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.news-card:hover .news-card-image img {
  transform: scale(1.05);
}

.news-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card-title {
  font-size: var(--font-size-lg);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: var(--space-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin-bottom: var(--space-sm);
}

.news-card-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.news-card-summary {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item {
  display: flex;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px dashed var(--border-light);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item::before {
  content: '•';
  color: var(--primary-color);
  margin-right: var(--space-sm);
  font-size: var(--font-size-lg);
}

.news-item-link {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-item-link:hover {
  color: var(--primary-color);
}

.hot-news-list {
  counter-reset: hot-news;
}

.hot-news-item {
  display: flex;
  align-items: flex-start;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-light);
}

.hot-news-item:last-child {
  border-bottom: none;
}

.hot-news-rank {
  width: 20px;
  height: 20px;
  background-color: var(--text-muted);
  color: var(--text-light);
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--space-sm);
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  align-self: center;
}

.hot-news-item:nth-child(1) .hot-news-rank,
.hot-news-item:nth-child(2) .hot-news-rank,
.hot-news-item:nth-child(3) .hot-news-rank {
  background-color: var(--primary-color);
}

.hot-news-link {
  flex: 1;
  font-size: var(--font-size-sm);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-section {
  margin-bottom: var(--space-lg);
  background-color: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.sidebar-header {
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-gray);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.sidebar-header::before {
  content: '';
  width: 4px;
  height: 16px;
  background-color: var(--primary-color);
}

.sidebar-title {
  font-size: var(--font-size-base);
  font-weight: bold;
  color: var(--text-primary);
}

.sidebar-content {
  padding: var(--space-md);
}

.sidebar-news-item {
  display: flex;
  align-items: flex-start;
  padding: var(--space-sm) 0;
  border-bottom: 1px dashed var(--border-light);
}

.sidebar-news-item:last-child {
  border-bottom: none;
}

.sidebar-news-num {
  width: 18px;
  height: 18px;
  background-color: var(--text-muted);
  color: var(--text-light);
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--space-sm);
  flex-shrink: 0;
}

.sidebar-news-item:nth-child(1) .sidebar-news-num,
.sidebar-news-item:nth-child(2) .sidebar-news-num,
.sidebar-news-item:nth-child(3) .sidebar-news-num {
  background-color: var(--primary-color);
}

.sidebar-news-link {
  flex: 1;
  font-size: var(--font-size-sm);
  line-height: 1.5;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-news-link:hover {
  color: var(--primary-color);
}

.sidebar-image-news {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

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

.sidebar-image-news img {
  width: 100px;
  height: 70px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.sidebar-image-news-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sidebar-image-news-title {
  font-size: var(--font-size-xs);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-image-news-time {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin-top: var(--space-xs);
}

.article-footer-share {
  display: flex;
  align-items: center;
  justify-content: left;
  flex-wrap: nowrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
}

.article-footer-share .article-share {
  margin-left: 0;
}

.article-footer-share > span {
  font-size: var(--font-size-sm);
}

.content-area {
  flex: 1;
  min-width: 0;
}

.breadcrumb {
  padding: var(--space-md) 0;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
}

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

.breadcrumb-separator {
  margin: 0 var(--space-xs);
}

.breadcrumb-current {
  color: var(--text-primary);
}

.article-header {
  margin-bottom: var(--space-lg);
}

.article-title {
  font-size: var(--font-size-3xl);
  font-weight: bold;
  line-height: 1.4;
  margin-bottom: var(--space-md);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-light);
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.article-share {
  display: flex;
  gap: var(--space-sm);
  margin-left: auto;
}

.share-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.share-btn:hover {
  transform: translateY(-2px);
  opacity: 0.9;
  color: var(--bg-white);
}

.share-wechat {
  background-color: #07c160;
}

.share-weibo {
  background-color: #e6162d;
}

.share-qq {
  background-color: #12b7f5;
}

.share-qzone {
  background-color: #ffc028;
}

.article-content {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--text-primary);
}

.article-content p {
  margin-bottom: var(--space-md);
  text-indent: 2em;
}

.article-content img {
  max-width: 100%;
  height: auto;
  margin: var(--space-lg) auto;
  display: block;
  border-radius: var(--radius-sm);
}

.article-content h2,
.article-content h3 {
  font-size: var(--font-size-xl);
  font-weight: bold;
  margin: var(--space-lg) 0 var(--space-md);
}

.article-content strong {
  font-weight: bold;
}

.article-summary {
  background-color: var(--bg-gray);
  padding: var(--space-md);
  border-left: 4px solid var(--primary-color);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.8;
}

.article-summary::before {
  content: '"';
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
  line-height: 1;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-xs);
  margin: var(--space-xl) 0;
  padding: var(--space-md) 0;
}

.pagination ul {
  display: flex;
  gap: var(--space-xs);
}

.pagination li {
  display: inline-block;
}

.pagination a {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.pagination a:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
}

.pagination span {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-size: var(--font-size-sm);
  cursor: default;
}

.pagination li:first-child a,
.pagination li:last-child a {
  padding: 8px 20px;
}

.ad-banner {
  margin: var(--space-lg) 0;
  text-align: center;
}

.ad-banner img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.footer {
  background-color: var(--bg-gray);
  border-top: 1px solid var(--border-light);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-xl);
}

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

.footer-links {
  margin-bottom: var(--space-md);
}

.footer-links a {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0 var(--space-sm);
}

.footer-links a:hover {
  color: var(--primary-color);
}

.footer-copyright {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  line-height: 1.8;
}

.footer-copyright p {
  margin-bottom: var(--space-xs);
}

.footer-copyright a {
  color: var(--text-muted);
}

.footer-copyright a:hover {
  color: var(--primary-color);
}

/* 顶部栏 */
.top-bar {
  background-color: var(--primary-color);
  color: var(--text-light);
  overflow: hidden;
}

.top-bar-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-xs) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
}

.top-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.top-link {
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.top-link:hover {
  color: var(--primary-light);
}

.top-link i {
  font-size: 14px;
}

.top-divider {
  color: var(--text-light);
  opacity: 0.3;
}

.search-box-top {
  position: relative;
}

.search-box-top input {
  background-color: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 4px 28px 4px 12px;
  color: var(--text-primary);
  font-size: var(--font-size-xs);
  width: 180px;
}

.search-box-top input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.search-box-top input::placeholder {
  color: var(--text-muted);
}

.search-box-top button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  pointer-events: none;
  z-index: 1;
}

/* 头部 */
.site-header {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  overflow: hidden;
}

.header-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background-color: var(--primary-color);
  border-radius: 10%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon svg {
  width: 42px;
  height: 42px;
  color: var(--text-light);
}

.logo-icon i {
  color: var(--text-light);
  font-size: 24px;
}

.logo-text {
  font-size: var(--font-size-2xl);
  font-weight: bold;
  color: var(--primary-color);
  white-space: nowrap;
}

/* 导航 */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.nav-link {
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link.active {
  color: var(--primary-color);
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
  padding: var(--space-xs);
}

/* 移动端导航 */
.mobile-nav {
  display: none;
  background-color: var(--bg-white);
  border-top: 1px solid var(--border-color);
}

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

.mobile-nav .nav-menu {
  flex-direction: column;
  padding: var(--space-sm) 0;
}

.mobile-nav .nav-item {
  width: 100%;
}

.mobile-nav .nav-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav .nav-item:last-child .nav-link {
  border-bottom: none;
}

@media (max-width: 991px) {
  :root {
    --container-width: 100%;
  }
  
  .top-bar-content {
    padding: var(--space-xs) var(--space-sm);
  }
  
  .search-box-top {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-nav {
    display: none;
  }
  
  .header-content {
    padding: var(--space-sm);
  }
  
  .logo-text {
    font-size: var(--font-size-xl);
  }
  
  .logo-icon {
    width: 40px;
    height: 40px;
  }
  
  .logo-icon i {
    font-size: 20px;
  }
  
  :root {
    --container-width: 100%;
  }
  
  .header-tools,
  .hero-news-list,
  .breadcrumb {
    display: none;
  }
  
  .main-layout {
    flex-direction: column;
    margin-top: var(--space-md);
  }
  
  .sidebar {
    width: 100%;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .news-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .news-card {
    flex-direction: row;
  }
  
  .news-card-image {
    width: 140px;
    height: 100px;
  }
  
  .search-box {
    width: 300px;
  }
  
  .nav-link {
    padding: 10px 12px;
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 767px) {
  .top-bar {
    display: none;
  }
  
  .header {
    padding: var(--space-md) 0;
  }
  
  .header-inner {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
  }
  
  .logo img {
    height: 45px;
  }
  
  .logo-title {
    font-size: var(--font-size-xl);
  }
  
  .search-box {
    width: 100%;
    box-sizing: border-box;
  }
  
  .header-tools {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-inner {
    position: relative;
  }
  
  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--primary-color);
    flex-direction: column;
    flex-wrap: nowrap;
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-md);
    z-index: 1100;
  }
  
  .nav-list.active {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-light);
  }
  
  .carousel-slide img {
    height: 200px;
  }
  
  .carousel-arrow {
    width: 44px;
    height: 44px;
    opacity: 1;
  }
  
  .carousel-caption h3 {
    font-size: var(--font-size-sm);
  }
  
  .news-grid-3 {
    grid-template-columns: 1fr;
  }
  
  .news-card {
    flex-direction: column;
  }
  
  .news-card-image {
    width: 100%;
    height: 180px;
  }
  
  .article-title {
    font-size: var(--font-size-xl);
  }
  
  .article-meta {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  
  .article-share {
    width: auto;
    margin-top: 0;
    margin-left: 0;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
  }

  .article-footer-share {
    display: flex;
    align-items: center;
    justify-content: left;
    flex-wrap: nowrap;
    gap: var(--space-sm);
  }
  
  .pagination a,
  .pagination span {
    padding: 10px 14px;
    font-size: var(--font-size-xs);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .footer-links a {
    display: inline-block;
    margin: var(--space-xs) var(--space-xs);
  }

  .logo {
    justify-content: center;
  }
}

@media (max-width: 767px) {
  .back-to-top {
    bottom: 16px !important;
    right: 16px !important;
    width: 44px !important;
    height: 44px !important;
  }
}

.text-primary {
  color: var(--primary-color);
}

.text-muted {
  color: var(--text-muted);
}

.bg-gray {
  background-color: var(--bg-gray);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.hidden {
  display: none !important;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.wechat-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.wechat-modal.active {
  display: flex;
}

.wechat-modal-content {
  background-color: var(--bg-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
}

.wechat-modal-content h4 {
  margin-bottom: var(--space-md);
}

.wechat-modal-content img {
  width: 200px;
  height: 200px;
  margin-bottom: var(--space-md);
}

.wechat-modal-close {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--primary-color);
  color: var(--text-light);
  border-radius: var(--radius-sm);
}