.detail-page {
  padding: calc(4rem + var(--spacing-xxl)) 0 var(--spacing-xxl);
  background: linear-gradient(180deg, #ffffff 0%, #f6f8fb 100%);
  min-height: 100vh;
}

.detail-shell {
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
}

.detail-placeholder {
  min-height: 320px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--text-secondary);
  gap: 0.65rem;
}

.detail-placeholder i {
  width: 1.4rem;
  height: 1.4rem;
}

.article-read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.85rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
  background: #fff;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.82rem;
  transition: var(--transition-fast);
}

.article-read-more:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.detail-back {
  margin-bottom: var(--spacing-md);
}

.detail-back a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  transition: var(--transition-fast);
}

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

.detail-header h1 {
  font-size: var(--text-4xl);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.detail-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.detail-status {
  border-radius: 999px;
  padding: 0.15rem 0.45rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.detail-status.published {
  background: #e8f8ee;
  color: #1f8a46;
}

.detail-status.draft {
  background: #fff4e6;
  color: #b96b00;
}

.detail-meta i {
  width: 0.9rem;
  height: 0.9rem;
}

.detail-tags {
  margin-top: var(--spacing-sm);
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.detail-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  background: #f2f5fa;
  color: #4a5668;
  font-size: 0.76rem;
}

.detail-summary {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background: #f8fbff;
  border: 1px solid #e4edf8;
  color: #4a5a72;
}

.detail-content {
  margin-top: var(--spacing-lg);
  color: var(--text-primary);
  line-height: 1.95;
  display: grid;
  gap: var(--spacing-sm);
}

.detail-content p {
  color: var(--text-secondary);
}

.detail-content mark,
.detail-summary mark {
  background: #fff0b8;
  color: inherit;
  padding: 0 0.12rem;
  border-radius: 0.15rem;
}

.detail-footer-nav {
  margin-top: var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-sm);
}

.detail-nav-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.8rem 0.9rem;
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.detail-nav-item:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.detail-nav-item strong {
  display: block;
  color: var(--text-primary);
  margin-top: 0.25rem;
}

.related-wrap {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.related-wrap h3 {
  margin-bottom: var(--spacing-sm);
}

.related-list {
  display: grid;
  gap: 0.65rem;
}

.related-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.8rem 0.9rem;
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.related-item:hover {
  border-color: var(--accent-color);
  color: var(--text-primary);
}

.related-item strong {
  display: block;
  color: var(--text-primary);
}

.related-item span {
  font-size: var(--text-xs);
}

@media (max-width: 768px) {
  .detail-shell {
    padding: var(--spacing-lg);
  }

  .detail-header h1 {
    font-size: var(--text-3xl);
  }

  .detail-footer-nav {
    grid-template-columns: 1fr;
  }
}