/* ============================================================
   文章页 / 文章列表 样式
   ============================================================ */

/* 文章主体容器 - 精致卡片设计 */
.article-wrap {
  background: var(--bg); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 36px;
  box-shadow: var(--shadow-xs); max-width: 880px; margin: 0 auto;
}
.article-header { margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px solid var(--border-light); }
.article-title {
  font-size: 30px; font-weight: 800; line-height: 1.3;
  color: var(--text); letter-spacing: -0.02em; margin-bottom: 16px;
}
.article-meta {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px;
  font-size: 13px; color: var(--text-sub);
}
.article-meta span { display: inline-flex; align-items: center; gap: 5px; }
.article-meta i { color: var(--text-weak); font-size: 14px; }
.article-cover {
  margin-bottom: 28px; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-md);
}
.article-cover img { width: 100%; }

/* 文章正文 - 精致排版 */
.article-body {
  font-size: 16px; line-height: 1.95; color: var(--text-sub);
}
.article-body p { margin-bottom: 18px; text-indent: 2em; }
.article-body img {
  max-width: 100%; height: auto;
  border-radius: var(--radius); margin: 24px auto; display: block;
  box-shadow: var(--shadow-sm);
}
.article-body h2 {
  font-size: 22px; color: var(--text); margin: 32px 0 16px;
  padding-left: 12px; border-left: 4px solid var(--primary);
}
.article-body h3 {
  font-size: 18px; color: var(--text); margin: 26px 0 12px;
}
.article-body ul, .article-body ol { margin: 0 0 18px 2em; }
.article-body li { margin-bottom: 6px; }
.article-body blockquote {
  margin: 18px 0; padding: 14px 18px;
  background: var(--primary-light); border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text); font-style: normal;
}
.article-body code {
  background: var(--bg-card); padding: 2px 8px;
  border-radius: var(--radius-xs); font-size: 14px;
  color: var(--primary-deep); font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.article-body pre {
  background: #0F172A; color: #E2E8F0; padding: 18px 20px;
  border-radius: var(--radius); overflow-x: auto; margin: 18px 0;
  font-size: 14px; line-height: 1.6;
}
.article-body pre code { background: transparent; color: inherit; padding: 0; }

/* 文章底部上下篇 - 精致导航 */
.article-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border-light);
}
.article-nav a {
  display: flex; flex-direction: column; gap: 4px;
  padding: 14px 16px; border: 1px solid var(--border-light);
  border-radius: var(--radius); transition: all 0.28s var(--ease);
}
.article-nav a:hover {
  border-color: var(--primary); background: var(--primary-light);
  transform: translateY(-2px);
}
.article-nav a.next { text-align: right; }
.article-nav .nav-label {
  font-size: 12px; color: var(--text-weak); display: inline-flex; gap: 4px;
}
.article-nav .nav-title {
  font-size: 14px; color: var(--text); font-weight: 500;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.article-nav a:hover .nav-title { color: var(--primary); }

/* ============================================================
   文章列表 - 精致列表设计
   ============================================================ */
.article-list {
  display: flex; flex-direction: column; gap: 14px;
}
.article-item {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; background: var(--bg);
  border: 1px solid var(--border-light); border-radius: var(--radius-lg);
  transition: all 0.25s var(--ease);
}
.article-item:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-hover);
  transform: translateX(4px);
}
.article-item .item-body { flex: 1; min-width: 0; }
.article-item h3 {
  font-size: 16px; color: var(--text); margin-bottom: 6px;
  font-weight: 600; transition: color 0.28s var(--ease);
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.article-item:hover h3 { color: var(--primary); }
.article-item .item-meta {
  font-size: 12px; color: var(--text-weak);
  display: inline-flex; align-items: center; gap: 12px;
}
.article-item .item-meta span { display: inline-flex; align-items: center; gap: 4px; }
.art-date {
  font-size: 12px; color: var(--text-weak); flex-shrink: 0;
  padding: 4px 10px; background: var(--bg-soft);
  border-radius: var(--radius-pill); font-variant-numeric: tabular-nums;
}
.art-arrow {
  color: var(--text-weak); font-size: 18px; flex-shrink: 0;
  transition: all 0.28s var(--ease);
}
.article-item:hover .art-arrow { color: var(--primary); transform: translateX(4px); }

/* ============================================================
   搜索结果 - 精致标签页设计
   ============================================================ */
.search-tabs {
  display: flex; gap: 4px; margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}
.search-tab {
  padding: 10px 18px; color: var(--text-sub); font-size: 14px; font-weight: 500;
  border-bottom: 2px solid transparent; transition: all 0.28s var(--ease);
  margin-bottom: -1px;
}
.search-tab:hover { color: var(--primary); }
.search-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.search-tab .count {
  display: inline-block; padding: 1px 8px; margin-left: 4px;
  background: var(--bg-card); color: var(--text-weak);
  border-radius: var(--radius-pill); font-size: 11px; font-weight: 500;
}
.search-tab.active .count { background: var(--primary-light); color: var(--primary); }

/* ============================================================
   响应式（文章页 / 列表 / 搜索）- 移动端阅读优化
   原本零响应式，此处补全 992 / 768 / 480 三档
   ============================================================ */
@media (max-width: 992px) {
  .article-wrap { padding: 28px 24px; }
  .article-title { font-size: 26px; }
}

@media (max-width: 768px) {
  .article-wrap {
    padding: 20px 16px; border-radius: var(--radius); max-width: 100%;
  }
  .article-header { margin-bottom: 20px; padding-bottom: 18px; }
  .article-title { font-size: 22px; line-height: 1.35; margin-bottom: 12px; }
  .article-meta { gap: 6px 14px; font-size: 12px; }
  .article-cover { margin-bottom: 20px; }

  .article-body { font-size: 15px; line-height: 1.85; }
  .article-body p { text-indent: 2em; margin-bottom: 14px; }
  .article-body h2 { font-size: 19px; margin: 24px 0 12px; }
  .article-body h3 { font-size: 17px; margin: 20px 0 10px; }
  .article-body img { margin: 18px auto; }
  .article-body pre { padding: 14px 16px; font-size: 13px; }

  .article-nav { grid-template-columns: 1fr; gap: 12px; margin-top: 24px; padding-top: 18px; }
  .article-nav a.next { text-align: left; }

  /* 文章列表纵向堆叠 */
  .article-item {
    flex-direction: column; align-items: flex-start;
    gap: 10px; padding: 16px;
  }
  .article-item .item-body { width: 100%; }
  .article-item h3 { font-size: 15px; -webkit-line-clamp: 2; }
  .article-item .item-meta { font-size: 11px; gap: 10px; }
  .art-date { align-self: flex-end; }
  .art-arrow { display: none; }

  /* 搜索 tab 横向滚动，避免窄屏换行挤压 */
  .search-tabs {
    overflow-x: auto; flex-wrap: nowrap; margin-bottom: 18px;
    -webkit-overflow-scrolling: touch;
  }
  .search-tab { flex-shrink: 0; padding: 10px 14px; }
}

@media (max-width: 480px) {
  .article-wrap { padding: 16px 12px; }
  .article-title { font-size: 20px; }
  .article-body h2 { font-size: 18px; }
}