/* ==========================================================================
   Riolu 精灵学院 - 机场知识库与技术深度评测文章原生 CSS 样式表
   零外部框架，保障毫秒级加载与极佳阅读体验
   ========================================================================== */

.article-page-wrap {
  padding: 60px 0 100px;
}

/* 面包屑导航 */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  flex-wrap: wrap;
}

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

.breadcrumb-nav a:hover {
  color: #ff4d6d;
}

.breadcrumb-separator {
  color: #475569;
}

.breadcrumb-current {
  color: #ff4d6d;
  font-weight: 600;
}

/* 文章主体布局 */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.article-main-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
}

/* 文章头部 */
.article-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 28px;
  margin-bottom: 36px;
}

.article-tag-list {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.article-h1-title {
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

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

/* 文章正文样式 */
.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #e2e8f0;
}

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

.article-body h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: #ffffff;
  margin-top: 42px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-body h2::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 22px;
  background: var(--grad-primary);
  border-radius: 4px;
}

.article-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-top: 32px;
  margin-bottom: 14px;
}

.article-body ul, .article-body ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 10px;
  color: #cbd5e1;
}

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

.article-body a {
  color: #ff4d6d;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.article-body a:hover {
  color: #ff0844;
}

/* 高亮信息卡片与提示框 */
.callout-box {
  background: rgba(255, 8, 68, 0.08);
  border-left: 4px solid #ff0844;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 28px 0;
}

.callout-title {
  font-weight: 700;
  color: #ff4d6d;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.callout-box p {
  margin-bottom: 0;
  font-size: 0.98rem;
  color: #cbd5e1;
}

.tip-box {
  background: rgba(16, 185, 129, 0.06);
  border-left: 4px solid var(--accent-emerald);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 28px 0;
}

.tip-box .tip-title {
  font-weight: 700;
  color: var(--accent-emerald);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 表格样式 */
.article-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 28px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.article-table th {
  background: rgba(14, 21, 38, 0.9);
  padding: 14px 18px;
  text-align: left;
  font-weight: 700;
  color: #94a3b8;
  border-bottom: 1px solid var(--border-color);
}

.article-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: #e2e8f0;
}

.article-table tr:hover td {
  background: rgba(56, 189, 248, 0.05);
}

/* 文章内嵌入式 CTA 注册横幅 */
.article-cta-banner {
  background: linear-gradient(135deg, rgba(14, 21, 38, 0.95) 0%, rgba(20, 32, 60, 0.9) 100%);
  border: 2px solid var(--accent-cyan);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin: 48px 0 32px;
  box-shadow: var(--shadow-featured);
}

.article-cta-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.article-cta-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 24px;
}

/* 侧边栏布局 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.sidebar-widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-articles-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-article-item a {
  font-size: 0.92rem;
  color: #cbd5e1;
  line-height: 1.45;
  display: block;
}

.sidebar-article-item a:hover {
  color: #ff4d6d;
}

.sidebar-article-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 侧边栏推荐套餐卡片 */
.sidebar-cta-card {
  text-align: center;
  background: linear-gradient(180deg, rgba(20, 32, 60, 0.9) 0%, rgba(12, 19, 36, 0.9) 100%);
  border: 1px solid rgba(255, 8, 68, 0.45);
}

.sidebar-cta-price {
  font-size: 2.2rem;
  font-weight: 900;
  color: #ffffff;
  font-family: var(--font-mono);
  margin: 12px 0 16px;
}

@media (max-width: 991px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-main-content {
    padding: 30px 20px;
  }
  .article-h1-title {
    font-size: 1.85rem;
  }
}