/* ==========================================================================
   VPN 导航手册 (vpn-daohang.blog) - 核心样式表
   设计风格：内容导航册 / 浅银灰底 / 白色卡片 / 深蓝紫标题 / 低饱和珊瑚色强调
   ========================================================================== */

:root {
  --bg-primary: #f4f6f9;
  --bg-card: #ffffff;
  --bg-subtle: #edf1f5;
  --border-color: #e2e6eb;
  --border-focus: #c5cdd7;
  
  --text-primary: #232742;
  --text-secondary: #525866;
  --text-muted: #798196;
  
  --brand-primary: #2b304f;
  --brand-accent: #d96b52;
  --brand-accent-hover: #c4573f;
  --brand-accent-light: #fdf2ef;
  
  --tag-bg: #eaeff5;
  --tag-text: #2f354d;
  --tag-verify: #fdf5e6;
  --tag-verify-text: #a06b00;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --shadow-sm: 0 1px 3px rgba(35, 39, 66, 0.04), 0 1px 2px rgba(35, 39, 66, 0.02);
  --shadow-md: 0 4px 12px rgba(35, 39, 66, 0.06), 0 1px 3px rgba(35, 39, 66, 0.03);
  --shadow-lg: 0 10px 25px rgba(35, 39, 66, 0.08), 0 2px 6px rgba(35, 39, 66, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  
  --container-max: 1160px;
  --nav-height: 72px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* 链接与文字基础 */
a {
  color: var(--brand-accent);
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover {
  color: var(--brand-accent-hover);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--brand-primary);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.8rem;
  letter-spacing: -0.015em;
}

h1 { font-size: 2.1rem; }
h2 { font-size: 1.55rem; margin-top: 2rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border-color); }
h3 { font-size: 1.25rem; margin-top: 1.5rem; }

p {
  margin-bottom: 1.15rem;
  color: var(--text-secondary);
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

li {
  margin-bottom: 0.45rem;
}

/* 布局容器 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   全站导航栏 (Header)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  display: block;
}

.brand-subtitle {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  display: block;
  line-height: 1.2;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.nav-link:hover {
  color: var(--brand-primary);
  background: var(--tag-bg);
}

.nav-link.active {
  color: var(--brand-accent);
  background: var(--brand-accent-light);
}

.nav-link.highlight {
  background: var(--brand-primary);
  color: #ffffff;
}

.nav-link.highlight:hover {
  background: #394069;
  color: #ffffff;
}

/* 顶部搜索栏组件 */
.search-container {
  position: relative;
  width: 240px;
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 38px;
  padding: 6px 12px 6px 36px;
  font-size: 0.88rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  outline: none;
  transition: all 0.2s ease;
}

.search-input:focus {
  background: #ffffff;
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(217, 107, 82, 0.15);
  width: 280px;
}

/* 搜索结果下拉框 */
.search-results-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 380px;
  max-height: 480px;
  overflow-y: auto;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 1000;
  padding: 8px 0;
}

.search-results-dropdown.show {
  display: block;
}

.search-result-item {
  display: block;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.15s ease;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover, .search-result-item.selected {
  background: var(--bg-primary);
}

.search-result-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 3px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.search-result-badge {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 2px 6px;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: var(--radius-sm);
}

.search-result-snippet {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.search-empty {
  padding: 18px 16px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  color: var(--brand-primary);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   页面主体排版
   ========================================================================== */
.main-content {
  flex: 1;
  padding: 36px 0 64px;
}

.page-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-wrapper.has-sidebar {
  grid-template-columns: minmax(0, 1fr) 280px;
}

.content-article {
  background: var(--bg-card);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

/* 文章头部 */
.article-header {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.article-lead {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--brand-accent);
  margin-top: 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-top: 16px;
}

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

/* 适合谁 / 适用场景模块 */
.audience-box {
  background: #fbfcfe;
  border: 1px solid #dce5f0;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 24px 0 32px;
}

.audience-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.audience-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.audience-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.audience-bullet {
  color: var(--brand-accent);
  font-weight: bold;
}

/* 商业披露条 */
.disclosure-banner {
  background: var(--tag-verify);
  border: 1px solid #fae1b3;
  color: var(--tag-verify-text);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.86rem;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 侧边栏/目录 TOC */
.sidebar-toc {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  background: var(--bg-card);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  max-height: calc(100vh - var(--nav-height) - 48px);
  overflow-y: auto;
}

.toc-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-item {
  margin-bottom: 6px;
}

.toc-link {
  display: block;
  font-size: 0.86rem;
  color: var(--text-secondary);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  line-height: 1.4;
}

.toc-link:hover {
  color: var(--brand-accent);
  background: var(--brand-accent-light);
}

.toc-link.sub {
  padding-left: 18px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   首页特有模块：三条导读路径 + 服务说明
   ========================================================================== */
.hero-section {
  text-align: center;
  padding: 42px 24px 50px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero-tag {
  display: inline-block;
  padding: 5px 16px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--brand-accent);
  background: var(--brand-accent-light);
  border-radius: var(--radius-full);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--brand-primary);
  margin-bottom: 18px;
  line-height: 1.35;
  letter-spacing: -0.015em;
  max-width: 900px;
  text-align: center;
}

.hero-desc {
  max-width: 760px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
  text-align: center;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   二毛博客风格：文章流式机场推荐章节 (去卡片化，长文式排版)
   ========================================================================== */
.airport-article-stream {
  display: flex;
  flex-direction: column;
  gap: 48px;
  margin: 36px 0 54px;
}

.airport-article-item {
  padding-bottom: 36px;
  border-bottom: 1px dashed var(--border-color);
  position: relative;
}

.airport-article-item:last-child {
  border-bottom: none;
}

.airport-article-item.featured-item {
  background: #fffcfb;
  padding: 28px;
  border: 1px solid #f2cfc7;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.airport-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.airport-item-title {
  font-size: 1.55rem;
  color: var(--brand-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.airport-item-meta {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}

.airport-item-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-accent);
}

.airport-article-content {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.airport-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 16px 0 20px;
  background: var(--bg-primary);
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.airport-feature-block h4 {
  font-size: 0.9rem;
  color: var(--brand-primary);
  margin-bottom: 6px;
  font-weight: 700;
}

.airport-feature-block ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.9rem;
}

.airport-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.airport-links-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   独立测评文章专用样式 (参考 tizilab.cc/paihang/flycat/)
   ========================================================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

.breadcrumb a:hover {
  color: var(--brand-accent);
}

.review-summary-card {
  background: linear-gradient(180deg, #fbfcfe 0%, #f4f6fa 100%);
  border: 1px solid #dce4ee;
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 24px 0 36px;
  box-shadow: var(--shadow-sm);
}

.review-summary-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.review-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.review-metric-box {
  background: #ffffff;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.review-metric-label {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.review-metric-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-primary);
}

.review-pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 24px 0;
}

.review-pros-box {
  background: #f6fbf8;
  border: 1px solid #cce8d7;
  padding: 20px;
  border-radius: var(--radius-md);
}

.review-cons-box {
  background: #fdf7f6;
  border: 1px solid #f2d1cb;
  padding: 20px;
  border-radius: var(--radius-md);
}

.review-box-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.review-pros-box .review-box-title { color: #1e6b42; }
.review-cons-box .review-box-title { color: #9c3c28; }

.review-pros-box ul, .review-cons-box ul {
  margin: 0;
  padding-left: 20px;
}

.review-pros-box li { color: #235439; margin-bottom: 6px; }
.review-cons-box li { color: #6e2c20; margin-bottom: 6px; }

@media (max-width: 768px) {
  .review-pros-cons-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 1.7rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--brand-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--brand-accent-hover);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(217, 107, 82, 0.25);
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--brand-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: #e6ebf2;
  color: var(--brand-primary);
}

/* 三条导读路径网格 */
.guide-paths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0 48px;
}

.guide-path-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.guide-path-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-focus);
}

.path-badge {
  align-self: flex-start;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.path-title {
  font-size: 1.22rem;
  margin-bottom: 10px;
}

.path-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.path-link {
  font-size: 0.92rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   机场大卡片体系 (28 家完整卡片)
   ========================================================================== */
/* 主推机场卡片专属高亮 */
.airport-card.featured-card {
  border: 2px solid var(--brand-accent);
  box-shadow: 0 8px 30px rgba(217, 107, 82, 0.12), 0 2px 8px rgba(35, 39, 66, 0.04);
  position: relative;
  background: linear-gradient(180deg, #fffaf9 0%, #ffffff 160px);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  right: 28px;
  background: linear-gradient(135deg, #d96b52 0%, #c44f35 100%);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 10px rgba(217, 107, 82, 0.35);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.02em;
}

/* 首页主推展台组件 */
.home-featured-box {
  background: linear-gradient(135deg, #242944 0%, #2f3659 100%);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: #ffffff;
  margin: 32px 0 40px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid #434c7a;
}

.home-featured-box::after {
  content: '';
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(217, 107, 82, 0.25) 0%, rgba(217, 107, 82, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.home-featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(217, 107, 82, 0.25);
  border: 1px solid #d96b52;
  color: #ff9e88;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.home-featured-title {
  color: #ffffff;
  font-size: 1.7rem;
  margin-bottom: 12px;
}

.home-featured-desc {
  color: #c9d2e0;
  font-size: 0.98rem;
  line-height: 1.6;
  max-width: 780px;
  margin-bottom: 22px;
}

.home-featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 24px;
}

.home-featured-meta-item {
  display: flex;
  flex-direction: column;
}

.home-featured-meta-label {
  font-size: 0.75rem;
  color: #9aa5be;
  text-transform: uppercase;
  margin-bottom: 3px;
}

.home-featured-meta-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

.home-featured-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.airport-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease;
  position: relative;
}

.airport-card:hover {
  border-color: var(--border-focus);
}

.airport-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.airport-title-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.airport-num {
  width: 38px;
  height: 38px;
  background: var(--brand-primary);
  color: #ffffff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
}

.airport-name {
  margin: 0;
  font-size: 1.45rem;
  color: var(--brand-primary);
}

.airport-price-tag {
  text-align: right;
  flex-shrink: 0;
}

.price-main {
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--brand-accent);
}

.price-note {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* 卡片内部网格 */
.airport-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 24px;
  margin-bottom: 20px;
}

.info-block {
  margin-bottom: 14px;
}

.info-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
  letter-spacing: 0.03em;
}

.info-value {
  font-size: 0.94rem;
  color: var(--text-primary);
  line-height: 1.55;
}

/* ==========================================================================
   全局网格表格系统 (清晰格子区分 / Bordered Grid Table)
   ========================================================================== */

.table-wrap,
.pricing-table-wrap {
  overflow-x: auto;
  margin: 18px 0 24px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
  -webkit-overflow-scrolling: touch;
}

table,
.table-full,
.pricing-table,
.node-coverage-table,
.profile-info-table,
.comparison-table {
  width: 100%;
  border-collapse: collapse !important;
  font-size: 0.92rem;
  text-align: left;
  line-height: 1.6;
  background: #ffffff;
  border: 1px solid #cbd5e1;
}

/* 每一个表头和单元格都有四周清晰的格子边框线 */
table th,
table td,
.table-full th,
.table-full td,
.pricing-table th,
.pricing-table td,
.node-coverage-table th,
.node-coverage-table td,
.profile-info-table td,
.comparison-table th,
.comparison-table td {
  padding: 12px 16px;
  border: 1px solid #cbd5e1 !important; /* 清晰网格边框 */
  vertical-align: middle;
}

/* 表头深底色强化网格标题区 */
table th,
.table-full th,
.pricing-table th,
.node-coverage-table th,
.comparison-table th {
  background: #f1f5f9 !important;
  font-weight: 700;
  color: #1e293b;
  border-bottom: 2px solid #94a3b8 !important;
  white-space: nowrap;
  letter-spacing: 0.2px;
}

/* 斑马网格交替底纹 */
table tbody tr:nth-child(even) td,
.table-full tbody tr:nth-child(even) td,
.pricing-table tbody tr:nth-child(even) td,
.node-coverage-table tbody tr:nth-child(even) td,
.comparison-table tbody tr:nth-child(even) td {
  background-color: #f8fafc;
}

/* 鼠标悬停行突出 */
table tbody tr:hover td,
.table-full tbody tr:hover td,
.pricing-table tbody tr:hover td,
.node-coverage-table tbody tr:hover td,
.comparison-table tbody tr:hover td {
  background-color: #f0f7ff !important;
}

/* 节点分布专用表格排版与列宽 */
.node-coverage-table th:nth-child(1),
.node-coverage-table td:nth-child(1) {
  width: 22%;
  min-width: 160px;
  font-weight: 600;
  color: var(--brand-primary);
  white-space: nowrap;
}

.node-coverage-table th:nth-child(2),
.node-coverage-table td:nth-child(2) {
  width: 24%;
  min-width: 170px;
}

.node-coverage-table th:nth-child(3),
.node-coverage-table td:nth-child(3) {
  width: 18%;
  min-width: 130px;
  white-space: nowrap;
}

.node-coverage-table th:nth-child(4),
.node-coverage-table td:nth-child(4) {
  width: 36%;
  min-width: 260px;
}

/* 基础档案专用表格 */
.profile-info-table td.label-cell {
  background: #f1f5f9 !important;
  font-weight: 600;
  color: #1e293b;
  width: 20%;
  white-space: nowrap;
}

/* 横向对比专用表格 */
.comparison-table th:nth-child(1),
.comparison-table td:nth-child(1) {
  width: 20%;
  min-width: 140px;
  font-weight: 600;
}

.comparison-table th:nth-child(2),
.comparison-table td:nth-child(2) {
  width: 26%;
  min-width: 170px;
}

.comparison-table th:nth-child(3),
.comparison-table td:nth-child(3) {
  width: 28%;
  min-width: 190px;
  background-color: #fffbf9 !important;
}

.comparison-table th:nth-child(4),
.comparison-table td:nth-child(4) {
  width: 26%;
  min-width: 170px;
}

.rate-badge {
  display: inline-block;
  padding: 3px 8px;
  background: #f1f5f9;
  color: #0f172a;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-right: 6px;
  border: 1px solid #cbd5e1;
}

/* 优惠码胶囊 */
.coupon-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fdf2ef;
  border: 1px dashed var(--brand-accent);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.coupon-code {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--brand-accent);
  font-size: 0.98rem;
  letter-spacing: 0.05em;
}

.coupon-copy-btn {
  background: #ffffff;
  border: 1px solid var(--brand-accent);
  color: var(--brand-accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.coupon-copy-btn:hover {
  background: var(--brand-accent);
  color: #ffffff;
}

.coupon-none {
  font-size: 0.86rem;
  color: var(--text-muted);
  font-style: normal;
}

/* 待核验警告微标 */
.verify-alert {
  background: var(--tag-verify);
  border-left: 3px solid #d99b26;
  padding: 8px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.82rem;
  color: #7d5402;
  margin-bottom: 18px;
}

/* 卡片操作底部 */
.airport-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 12px;
}

.disclosure-note {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* ==========================================================================
   常见问题 FAQ 组件
   ========================================================================== */
.faq-group {
  margin: 32px 0;
}

.faq-group-title {
  font-size: 1.35rem;
  color: var(--brand-primary);
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-color);
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 10px;
}

.faq-answer {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ==========================================================================
   核验清单 Checklist 组件
   ========================================================================== */
.checklist-card {
  background: #fbfcfe;
  border: 1px solid #d8e2ed;
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 28px 0;
}

.checklist-title {
  font-size: 1.15rem;
  color: var(--brand-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.check-icon {
  color: #2e8b57;
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   页脚 (Footer)
   ========================================================================== */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 48px 0 32px;
  margin-top: auto;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-brand-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 10px;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 420px;
}

.footer-nav-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.86rem;
}

.footer-links a:hover {
  color: var(--brand-accent);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   移动端响应式适配 (Responsive Media Queries)
   ========================================================================== */
@media (max-width: 992px) {
  .page-wrapper.has-sidebar {
    grid-template-columns: 1fr;
  }
  
  .sidebar-toc {
    display: none; /* 移动端隐藏侧边粘性目录，文章开头有内嵌目录 */
  }
  
  .guide-paths-grid {
    grid-template-columns: 1fr;
  }
  
  .airport-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }
  
  .header-inner {
    position: relative;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
  }
  
  .main-nav.show {
    display: flex;
  }
  
  .nav-link {
    width: 100%;
    padding: 10px 14px;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .search-container {
    width: 150px;
  }
  
  .search-input:focus {
    width: 200px;
  }
  
  .search-results-dropdown {
    width: calc(100vw - 32px);
    right: -50px;
  }
  
  .content-article {
    padding: 24px 18px;
  }
  
  .airport-card {
    padding: 20px 16px;
  }
  
  .airport-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .airport-price-tag {
    text-align: left;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
}

/* ==========================================================================
   客户端与工具专属样式 (Clients Hub & Detail Pages)
   ========================================================================== */

.clients-hero {
  background: linear-gradient(135deg, #1f243b 0%, #2b304f 100%);
  color: #ffffff;
  padding: 48px 0 40px;
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.clients-hero-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
  line-height: 1.3;
}

.clients-hero-subtitle {
  font-size: 1.05rem;
  color: #ccd3e0;
  max-width: 820px;
  margin: 0 auto 24px;
}

.clients-hero-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.stat-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  color: #f0f3f8;
  backdrop-filter: blur(4px);
}

.stat-item strong {
  color: #f7a998;
  font-weight: 700;
  margin-right: 4px;
}

/* 筛选与搜索工具条 */
.clients-filter-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.clients-search-row {
  display: flex;
  gap: 16px;
  margin-bottom: 18px;
  align-items: center;
}

.clients-search-box {
  position: relative;
  flex: 1;
}

.clients-search-box input {
  width: 100%;
  padding: 12px 42px 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.98rem;
  outline: none;
  background: var(--bg-primary);
  transition: all 0.2s;
}

.clients-search-box input:focus {
  background: #ffffff;
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(217, 107, 82, 0.15);
}

.clients-search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  display: none;
  padding: 4px;
}

.clients-search-clear.show {
  display: block;
}

.clients-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
}

.filter-pill:hover {
  background: #e4eaf2;
  color: var(--brand-primary);
}

.filter-pill.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #ffffff;
}

.pill-count {
  display: inline-block;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  background: rgba(0, 0, 0, 0.08);
}

.filter-pill.active .pill-count {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.clients-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  padding: 0 4px;
}

/* 客户端卡片网格 */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 22px;
  margin-bottom: 40px;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  position: relative;
}

.client-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.client-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  gap: 12px;
}

.client-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.client-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.client-name {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--brand-primary);
  text-decoration: none;
  line-height: 1.3;
}

.client-name:hover {
  color: var(--brand-accent);
}

/* 状态徽章 */
.badge-status {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success {
  background: #def7ec;
  color: #03543f;
  border: 1px solid #bcf0da;
}

.badge-danger {
  background: #fde8e8;
  color: #9b1c1c;
  border: 1px solid #fbd5d5;
}

.badge-warning {
  background: #fef08a;
  color: #854d0e;
  border: 1px solid #fef9c3;
}

.badge-neutral {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
}

.client-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.client-tag {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-size: 0.76rem;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  border: 1px solid #e2e8f0;
}

.client-meta-box {
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.6;
}

.client-meta-box div {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3px;
}

.client-meta-box div:last-child {
  margin-bottom: 0;
}

.client-meta-label {
  color: var(--text-muted);
}

.client-note-alert {
  background: #fffbeb;
  border: 1px solid #fef3c7;
  color: #92400e;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  line-height: 1.45;
  margin-bottom: 14px;
}

.client-dl-section {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dl-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s;
  flex: 1 1 auto;
  text-align: center;
}

.dl-btn-direct {
  background: #fdf2ef;
  color: var(--brand-accent);
  border: 1px solid #f8d5cc;
}

.dl-btn-direct:hover {
  background: var(--brand-accent);
  color: #ffffff;
}

.dl-btn-release {
  background: #f0f4f8;
  color: var(--brand-primary);
  border: 1px solid #d9e2ec;
}

.dl-btn-release:hover {
  background: var(--brand-primary);
  color: #ffffff;
}

.dl-btn-store {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #dbeafe;
}

.dl-btn-store:hover {
  background: #1d4ed8;
  color: #ffffff;
}

.dl-btn-project {
  background: #f8fafc;
  color: #334155;
  border: 1px solid #cbd5e1;
}

.dl-btn-project:hover {
  background: #334155;
  color: #ffffff;
}

.dl-btn-disabled {
  background: #f3f4f6;
  color: #9ca3af;
  border: 1px dashed #d1d5db;
  cursor: not-allowed;
  font-weight: normal;
}

.client-detail-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 10px;
  padding: 8px;
  background: #fafbfc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--brand-primary);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s;
}

.client-detail-link:hover {
  background: var(--bg-subtle);
  color: var(--brand-accent);
  border-color: #cbd5e1;
}

/* 详情页专用样式 */
.client-hero-board {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.client-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 18px;
  margin: 20px 0;
}

.client-spec-card {
  display: flex;
  flex-direction: column;
}

.client-spec-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.client-spec-val {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--brand-primary);
}

/* 交互式架构包下载选择器 */
.dl-interactive-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.dl-interactive-selector {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.dl-select-tab {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.dl-select-tab:hover {
  background: #e2e8f0;
}

.dl-select-tab.active {
  background: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
}

.dl-package-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  background: #ffffff;
  transition: border-color 0.15s;
}

.dl-package-row:hover {
  border-color: var(--brand-accent);
}

.dl-pkg-info {
  display: flex;
  flex-direction: column;
}

.dl-pkg-title {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 4px;
}

.dl-pkg-type-badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  margin-right: 6px;
}

/* 教程步骤卡片流 */
.tutorial-steps-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}

.step-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  position: relative;
  border-left: 4px solid var(--brand-primary);
}

.step-num-pill {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.step-heading {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 12px;
}

.step-action-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 12px;
}

.step-checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--bg-primary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}

/* 交互式步骤打勾器 */
.client-checklist-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 30px;
}

.checklist-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.checklist-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-primary);
}

.checklist-reset-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
}

.checklist-reset-btn:hover {
  background: #ffffff;
  color: var(--brand-accent);
}

.interactive-todo-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid #e2e8f0;
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.interactive-todo-item:last-child {
  border-bottom: none;
}

.interactive-todo-item input[type="checkbox"] {
  width: 17px;
  height: 17px;
  cursor: pointer;
  accent-color: var(--brand-accent);
}

.interactive-todo-item.checked span {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* 交互排错手风琴 */
.troubleshoot-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
}

.troubleshoot-node {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #ffffff;
}

.troubleshoot-header {
  padding: 14px 18px;
  background: #f8fafc;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--brand-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.15s;
}

.troubleshoot-header:hover {
  background: #f1f5f9;
}

.troubleshoot-body {
  padding: 16px 18px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  display: none;
  background: #ffffff;
}

.troubleshoot-node.open .troubleshoot-body {
  display: block;
}

/* 全球云推荐卡片 */
.client-globalcloud-card {
  background: linear-gradient(135deg, #fdf8f6 0%, #fff 100%);
  border: 1.5px solid #f4c2b5;
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 30px 0;
  box-shadow: 0 4px 15px rgba(217, 107, 82, 0.08);
}

.client-globalcloud-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 10px;
}

.globalcloud-badge {
  background: var(--brand-accent);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
}

.empty-results-box {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  background: #ffffff;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

/* ==========================================================================
   全球云置顶超大推荐卡片 (Featured Global Cloud Hero Card)
   ========================================================================== */

.featured-globalcloud-hero-card {
  background: linear-gradient(135deg, #1b2038 0%, #262d4e 100%);
  border: 2px solid #e57a63;
  border-radius: var(--radius-lg);
  padding: 34px 38px;
  color: #ffffff;
  margin: 28px 0 32px;
  box-shadow: 0 12px 36px rgba(27, 32, 56, 0.16);
  position: relative;
  overflow: hidden;
}

.featured-globalcloud-hero-card::after {
  content: '';
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(229, 122, 99, 0.22) 0%, rgba(229, 122, 99, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.globalcloud-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(229, 122, 99, 0.22);
  border: 1px solid #e57a63;
  color: #ffa490;
  padding: 5px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.globalcloud-hero-title {
  color: #ffffff;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 14px;
}

.globalcloud-hero-desc {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.7;
  max-width: 860px;
  margin-bottom: 24px;
}

.globalcloud-hero-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  margin-bottom: 26px;
}

.globalcloud-spec-item {
  display: flex;
  flex-direction: column;
}

.globalcloud-spec-label {
  font-size: 0.8rem;
  color: #94a3b8;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.globalcloud-spec-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

.globalcloud-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}