.news-detail-hero {
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/fmD1z0oiTnOO3CvAbDQ85A.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.news-detail-section {
  padding: 80px 0;
  background-color: var(--color-white);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
  font-size: 14px;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
  transition: color 0.3s ease;
}

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

.breadcrumb .separator {
  color: #ccc;
}

.breadcrumb .current {
  color: var(--color-primary);
  font-weight: 500;
}

.article-container {
  max-width: 900px;
  margin: 0 auto;
}

.article-header {
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-secondary);
}

.article-title {
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
  font-size: 14px;
  color: var(--color-text-light);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.meta-label {
  font-weight: 500;
}

.article-content {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text);
}

.article-content p {
  margin-bottom: 25px;
  text-align: justify;
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 40px 0 20px;
  padding-left: 15px;
  border-left: 4px solid var(--color-accent);
}

.article-quote {
  background-color: var(--color-secondary);
  border-left: 4px solid var(--color-accent);
  padding: 25px 30px;
  margin: 30px 0;
  font-style: italic;
}

.article-quote p {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin: 0;
  line-height: 1.8;
}

.article-image {
  margin: 35px 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.article-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.article-image:hover img {
  transform: scale(1.02);
}

.article-highlight {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent);
  text-align: center;
  margin: 40px 0;
  padding: 20px;
  background-color: var(--color-secondary);
  border-radius: 8px;
}

.article-footer {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--color-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.article-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tag-label {
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 500;
}

.tag {
  display: inline-block;
  padding: 6px 15px;
  background-color: var(--color-secondary);
  color: var(--color-text);
  font-size: 13px;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.tag:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 15px;
}

.share-label {
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 500;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  color: var(--color-text);
  transition: all 0.3s ease;
}

.share-btn:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.article-navigation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  margin-top: 50px;
  padding: 30px 0;
  border-top: 1px solid var(--color-secondary);
  border-bottom: 1px solid var(--color-secondary);
}

.nav-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 15px 20px;
  background-color: var(--color-secondary);
  border-radius: 8px;
  transition: all 0.3s ease;
  text-decoration: none;
}

.nav-link:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.nav-link.prev {
  align-items: flex-start;
}

.nav-link.next {
  align-items: flex-end;
}

.nav-link.back {
  align-items: center;
  justify-content: center;
  min-width: 120px;
}

.nav-label {
  font-size: 12px;
  color: var(--color-text-light);
  font-weight: 500;
  letter-spacing: 1px;
}

.nav-link:hover .nav-label {
  color: rgba(255, 255, 255, 0.8);
}

.nav-title {
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
  line-height: 1.4;
}

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

.related-articles {
  margin-top: 60px;
}

.related-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.related-item {
  display: block;
  background-color: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  text-decoration: none;
}

.related-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.related-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.related-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.related-item:hover .related-image img {
  transform: scale(1.1);
}

.related-content {
  padding: 20px;
}

.related-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s ease;
}

.related-item:hover .related-content h4 {
  color: var(--color-accent);
}

.related-date {
  font-size: 12px;
  color: var(--color-text-light);
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background-color: var(--color-accent);
  z-index: 9999;
  transition: width 0.1s ease;
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  z-index: 999;
  display: none;
}

.back-to-top:hover {
  background-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.table-of-contents {
  background-color: var(--color-secondary);
  padding: 20px 25px;
  border-radius: 8px;
  margin-bottom: 30px;
}

.table-of-contents h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
}

.table-of-contents ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.table-of-contents li {
  margin-bottom: 10px;
}

.table-of-contents a {
  color: var(--color-text);
  font-size: 0.95rem;
  transition: color 0.3s ease;
  text-decoration: none;
}

.table-of-contents a:hover {
  color: var(--color-accent);
}

@media (max-width: 1024px) {
  .article-title {
    font-size: 1.8rem;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .article-title {
    font-size: 1.5rem;
  }

  .article-meta {
    gap: 15px;
  }

  .article-content h2 {
    font-size: 1.3rem;
  }

  .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-navigation {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .nav-link.prev,
  .nav-link.next {
    align-items: flex-start;
  }

  .nav-link.back {
    width: 100%;
  }

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

  .related-image {
    height: 200px;
  }
}

@media (max-width: 480px) {
  .news-detail-hero {
    min-height: 300px;
  }

  .page-title {
    font-size: 2rem;
  }

  .page-subtitle {
    font-size: 0.9rem;
    letter-spacing: 4px;
  }

  .news-detail-section {
    padding: 40px 0;
  }

  .breadcrumb {
    font-size: 13px;
    margin-bottom: 30px;
  }

  .article-title {
    font-size: 1.3rem;
  }

  .article-meta {
    font-size: 13px;
  }

  .article-content {
    font-size: 0.95rem;
  }

  .article-content h2 {
    font-size: 1.2rem;
    margin: 30px 0 15px;
  }

  .article-quote {
    padding: 20px;
  }

  .article-quote p {
    font-size: 1rem;
  }

  .tag {
    padding: 5px 12px;
    font-size: 12px;
  }

  .share-btn {
    width: 32px;
    height: 32px;
  }

  .nav-link {
    padding: 12px 15px;
  }

  .nav-title {
    font-size: 13px;
  }

  .related-title {
    font-size: 1.3rem;
  }

  .related-content h4 {
    font-size: 0.95rem;
  }
}

@media (max-width: 360px) {
  .article-title {
    font-size: 1.2rem;
  }

  .article-meta {
    font-size: 12px;
  }

  .article-content {
    font-size: 0.9rem;
  }

  .article-content h2 {
    font-size: 1.1rem;
  }
}