/* ==================== 详情页专属样式 ==================== */

/* Banner 区域 */
.page-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #6fa8dc 100%);
  color: #fff;
  padding: 50px 0;
  text-align: center;
}
.banner-title {
  font-size: 2.5rem;
  margin-bottom: 10px;
}
.breadcrumb {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
}
.breadcrumb a {
  color: #fff;
  text-decoration: none;
}

/* 文章主体布局 */
.article-detail .container {
  display: flex;
  gap: 40px;
  padding-top: 40px;
  padding-bottom: 40px;
}
.article-main {
  flex: 1;
  min-width: 0;
}

/* 文章元信息 */
.article-meta {
  display: flex;
  gap: 20px;
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 15px;
}
.article-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}
.icon-user::before { content: "👤"; }
.icon-calendar::before { content: "📅"; }

/* 文章封面 */
.article-cover {
  margin-bottom: 25px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}
.article-cover img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 文章摘要 */
.article-summary {
  background: var(--color-secondary);
  padding: 20px 25px;
  border-radius: var(--border-radius);
  margin-bottom: 30px;
  border-left: 4px solid var(--color-primary);
}
.article-summary p {
  margin: 0;
  color: var(--color-text);
  line-height: 1.8;
}

/* 文章正文 */
.article-content {
  line-height: 1.9;
  color: var(--color-text);
  word-break: break-word;
}
.article-content h2,
.article-content h3 {
  margin: 28px 0 15px;
  color: var(--color-primary);
}
.article-content p {
  margin: 15px 0;
}
.article-content img {
  max-width: 100%;
  border-radius: calc(var(--border-radius) - 4px);
  margin: 20px 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.article-content ul,
.article-content ol {
  padding-left: 20px;
  margin: 15px 0;
}

/* 侧边栏 */
.article-sidebar {
  width: 300px;
  flex-shrink: 0;
}
.sidebar-card {
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  padding: 20px;
  margin-bottom: 24px;
}
.sidebar-card h3 {
  font-size: 1.2rem;
  padding-bottom: 12px;
  margin-bottom: 15px;
  border-bottom: 2px solid var(--color-primary);
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  background: var(--color-secondary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition);
}
.tag:hover {
  background: var(--color-primary);
  color: #fff;
}
.latest-list li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
}
.latest-list li:last-child {
  border-bottom: none;
}
.latest-list a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s;
}
.latest-list a:hover {
  color: var(--color-primary);
}

/* 相关文章区域 */
.related-articles {
  background: var(--color-secondary);
  padding: 60px 0;
  margin-top: 40px;
}

/* 系统卡片样式（匹配 .article-card 渲染结构） */
.article-card {
  display: flex;
  gap: 16px;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: var(--transition);
}
.article-card:hover {
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}
.article-card .card-thumb {
  flex-shrink: 0;
  width: 280px;
}
.article-card .card-thumb img {
  width: 280px;
  height: 200px;
  object-fit: cover;
  display: block;
}
.article-card .card-body {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.article-card h3 {
  margin-bottom: 8px;
}
.article-card h3 a {
  color: #333;
  text-decoration: none;
}
.article-card h3 a:hover {
  color: var(--color-primary);
}
.article-card p {
  color: #666;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card .date {
  color: #999;
  font-size: 13px;
}

/* 分类筛选按钮样式 */
.category-filter {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.category-btn {
  padding: 8px 20px;
  border-radius: 20px;
  border: 1px solid #ddd;
  text-decoration: none;
  color: #666;
  transition: var(--transition);
}
.category-btn.active,
.category-btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* 分页按钮样式 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}
.page-btn {
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  border-radius: 6px;
  border: 1px solid #ddd;
  text-decoration: none;
  color: #333;
  transition: var(--transition);
}
.page-btn.active,
.page-btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* 响应式 */
@media (max-width: 992px) {
  .article-detail .container {
    flex-direction: column;
  }
  .article-sidebar {
    width: 100%;
  }
  .article-card {
    flex-direction: column;
  }
  .article-card .card-thumb {
    width: 100%;
  }
  .article-card .card-thumb img {
    width: 100%;
    height: auto;
    max-height: 220px;
  }
}

@media (max-width: 768px) {
  .banner-title {
    font-size: 1.8rem;
  }
  .article-meta {
    flex-direction: column;
    gap: 8px;
  }
  .related-articles {
    padding: 40px 0;
  }
}