/* ==========================================================================
   Riolu 精灵学院机场 (riolu443.shop) - 文章专属样式表
   长文 SEO 排版优化 · 响应式目录 · 内部跳转与流式阅读体验
   ========================================================================== */

.article-page-wrap {
  padding: 48px 0 80px;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--color-text-dim);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

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

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

.breadcrumb-separator {
  color: var(--border-subtle);
}

/* 文章头部区 */
.article-header {
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 30px;
}

.article-primary-tag {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.article-main-title {
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  font-weight: 900;
  line-height: 1.28;
  color: #ffffff;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.88rem;
  color: var(--color-text-dim);
  flex-wrap: wrap;
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-meta-item svg {
  color: var(--color-primary);
}

/* 核心文章布局（双栏：左内容，右侧栏/目录） */
.article-body-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

/* 文章正文富文本排版 */
.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #cbd5e1;
}

.article-content h2 {
  font-size: 1.7rem;
  font-weight: 800;
  color: #ffffff;
  margin: 44px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  letter-spacing: -0.01em;
}

.article-content h2::before {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-primary);
}

.article-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #e2e8f0;
  margin: 32px 0 14px;
}

.article-content p {
  margin-bottom: 22px;
}

.article-content strong {
  color: #ffffff;
  font-weight: 700;
}

.article-content ul,
.article-content ol {
  margin: 18px 0 24px 22px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin-bottom: 10px;
  line-height: 1.75;
}

.article-content blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  background: rgba(15, 23, 42, 0.7);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: #94a3b8;
}

/* 信息高亮卡片 */
.callout-box {
  margin: 28px 0;
  padding: 22px 24px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid var(--border-primary);
}

.callout-box.tip {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.35);
}

.callout-box.warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.35);
}

.callout-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.02rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.callout-box.tip .callout-title {
  color: var(--color-accent-emerald);
}

.callout-box.warning .callout-title {
  color: var(--color-accent-gold);
}

.callout-box p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* 比较表格排版 */
.content-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
}

.content-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.content-table th {
  background: rgba(30, 41, 59, 0.8);
  color: #ffffff;
  padding: 14px 18px;
  font-weight: 700;
  border-bottom: 1px solid var(--border-subtle);
}

.content-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: #cbd5e1;
}

.content-table tr:last-child td {
  border-bottom: none;
}

.content-table tr:hover td {
  background: rgba(56, 189, 248, 0.04);
}

/* 文中呼吁行动 CTA 盒子 */
.article-inline-cta {
  margin: 38px 0;
  padding: 32px;
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.16) 0%, rgba(37, 99, 235, 0.22) 100%);
  border: 1px solid var(--border-primary-glow);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.article-inline-cta h4 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
}

.article-inline-cta p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 20px;
}

/* 侧边栏与目录 (Sticky TOC & Sidebar) */
.article-sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: var(--color-bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  backdrop-filter: blur(10px);
}

.widget-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.88rem;
}

.toc-link {
  color: var(--color-text-muted);
  line-height: 1.45;
  transition: color var(--transition-fast);
  display: block;
  padding-left: 8px;
  border-left: 2px solid transparent;
}

.toc-link:hover {
  color: var(--color-primary-light);
  border-left-color: var(--color-primary);
}

.toc-link.active {
  color: #ffffff;
  border-left-color: var(--color-primary);
  font-weight: 600;
}

.sidebar-cta-card {
  text-align: center;
  background: linear-gradient(180deg, rgba(30, 58, 138, 0.4) 0%, rgba(15, 23, 42, 0.9) 100%);
  border-color: var(--border-primary);
}

.sidebar-cta-card h4 {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.sidebar-cta-card p {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

/* 相关文章推荐网格 */
.related-articles-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

.related-articles-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 24px;
}

@media (max-width: 991px) {
  .article-body-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    margin-top: 40px;
  }
}