/* Clash 推荐指南 全站核心样式 - clash-tuijian.blog */
:root {
  --bg-main: #F8F6F0;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F2EFE9;
  --border-color: #E2DDD2;
  --border-light: #ECE8DE;
  
  --text-main: #142328;
  --text-secondary: #586B74;
  --text-muted: #83949D;
  
  --brand-teal: #0F2A30;
  --brand-teal-light: #163B43;
  --brand-teal-glow: rgba(15, 42, 48, 0.08);
  
  --brand-gold: #C59E38;
  --brand-gold-dark: #A68023;
  --brand-gold-bg: #FDF9EE;
  --brand-gold-border: #EBDCB4;
  
  --tag-green-bg: #EAF5EA;
  --tag-green-text: #236E32;
  --tag-blue-bg: #E8F2F7;
  --tag-blue-text: #195873;
  --tag-purple-bg: #F2EDF8;
  --tag-purple-text: #5D378B;
  
  --shadow-sm: 0 2px 6px rgba(15, 42, 48, 0.04);
  --shadow-md: 0 6px 18px rgba(15, 42, 48, 0.07);
  --shadow-lg: 0 12px 32px rgba(15, 42, 48, 0.12);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  
  --max-width: 1140px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-teal);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(248, 246, 240, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--brand-teal);
  white-space: nowrap;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  padding: 0.45rem 0.85rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

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

.nav-link.active {
  color: var(--brand-teal);
  font-weight: 700;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
}

.nav-link.highlight {
  color: #8C6409;
  background: var(--brand-gold-bg);
  border: 1px solid var(--brand-gold-border);
  font-weight: 600;
}

/* Header Right: Search Bar */
.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-trigger-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 220px;
}

.search-trigger-btn:hover {
  border-color: var(--brand-gold);
  box-shadow: 0 0 0 2px var(--brand-gold-bg);
  color: var(--brand-teal);
}

.search-icon-svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  flex-shrink: 0;
}

.search-hotkey {
  margin-left: auto;
  font-size: 0.75rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  color: var(--text-muted);
}

.mobile-search-btn, .mobile-menu-btn {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--brand-teal);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  display: none;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-drawer.open {
  display: flex;
}

.mobile-nav-drawer .nav-link {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border-light);
}

/* Search Modal */
.search-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 42, 48, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 9999;
  justify-content: center;
  align-items: flex-start;
  padding: 4rem 1rem 2rem;
}

.search-modal-backdrop.active {
  display: flex;
}

.search-modal-card {
  background: var(--bg-surface);
  width: 100%;
  max-width: 680px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  max-height: 80vh;
  overflow: hidden;
  animation: modalSlide 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlide {
  from { opacity: 0; transform: translateY(-16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.search-modal-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-modal-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1.1rem;
  color: var(--text-main);
  background: transparent;
}

.search-modal-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

.search-modal-close:hover {
  color: var(--brand-teal);
}

.search-quick-tags {
  display: flex;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-light);
  overflow-x: auto;
  font-size: 0.85rem;
}

.quick-tag-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  cursor: pointer;
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: 0.8rem;
  transition: all 0.15s ease;
}

.quick-tag-btn:hover, .quick-tag-btn.active {
  background: var(--brand-teal);
  color: #FFF;
  border-color: var(--brand-teal);
}

.search-results-list {
  padding: 0.75rem 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.search-result-item {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
  transition: all 0.15s ease;
}

.search-result-item:hover, .search-result-item:focus {
  border-color: var(--brand-gold);
  background: var(--brand-gold-bg);
  transform: translateX(3px);
}

.search-result-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.search-result-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--brand-teal);
}

.search-result-badge {
  font-size: 0.75rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
}

.search-result-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.search-empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
}

.search-modal-footer {
  padding: 0.6rem 1.25rem;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-color);
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* Page Layout */
.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

/* Editorial Hero */
.hero-banner {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: var(--brand-gold);
}

.hero-tagline {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--brand-gold-dark);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  background: var(--brand-gold-bg);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.hero-title {
  font-size: 2.1rem;
  line-height: 1.3;
  color: var(--brand-teal);
  margin-bottom: 1rem;
  font-weight: 800;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 860px;
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--brand-teal);
  color: #FFF !important;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: var(--brand-teal-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--brand-teal) !important;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

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

/* Stage Cards on Homepage */
.stages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stage-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.stage-card:hover {
  border-color: var(--brand-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.stage-num {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--brand-gold-dark);
  background: var(--brand-gold-bg);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 0.75rem;
}

.stage-title {
  font-size: 1.2rem;
  color: var(--brand-teal);
  margin-bottom: 0.6rem;
  font-weight: 700;
}

.stage-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.stage-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--brand-gold-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Callout & Disclosure Banners */
.notice-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--brand-teal);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.notice-box.gold {
  border-left-color: var(--brand-gold);
  background: var(--brand-gold-bg);
}

/* Airport Cards - Double Column Desktop Layout */
.airports-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 2rem 0;
}

.airport-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all 0.2s ease;
  scroll-margin-top: 5rem;
}

.airport-card:hover {
  border-color: #D6CFBE;
  box-shadow: var(--shadow-md);
}

.airport-card-header {
  padding: 1.25rem 1.75rem;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.airport-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.airport-index {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--brand-gold-dark);
  background: var(--brand-gold-bg);
  border: 1px solid var(--brand-gold-border);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
}

.airport-name-h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--brand-teal);
  margin: 0;
}

.airport-tags-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge-tag {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

.badge-tag.blue { background: var(--tag-blue-bg); color: var(--tag-blue-text); }
.badge-tag.green { background: var(--tag-green-bg); color: var(--tag-green-text); }
.badge-tag.purple { background: var(--tag-purple-bg); color: var(--tag-purple-text); }
.badge-tag.gold { background: var(--brand-gold-bg); color: var(--brand-gold-dark); border: 1px solid var(--brand-gold-border); }

.airport-card-body {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  padding: 1.75rem;
}

/* Left Column: Judgments, Scenarios, AI & Limitations */
.airport-left-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.col-section-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-teal);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
  border-bottom: 1px dashed var(--border-light);
  padding-bottom: 0.3rem;
}

.airport-text-block {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.airport-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.airport-bullet-list li {
  position: relative;
  padding-left: 1.2rem;
}

.airport-bullet-list li::before {
  content: "•";
  position: absolute;
  left: 0.2rem;
  color: var(--brand-gold);
  font-weight: bold;
}

/* Right Column: Pricing, Promo & CTA */
.airport-right-col {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.price-callout {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.price-callout-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.price-callout-val {
  font-size: 1.3rem;
  font-weight: 800;
  color: #B23B00;
}

.packages-mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.packages-mini-table th, .packages-mini-table td {
  padding: 0.4rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.packages-mini-table th {
  color: var(--text-muted);
  font-weight: 600;
}

.packages-mini-table td {
  color: var(--text-secondary);
}

/* Promo Code Box */
.promo-box {
  background: var(--brand-gold-bg);
  border: 1px dashed var(--brand-gold);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.promo-info {
  display: flex;
  flex-direction: column;
}

.promo-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.promo-code-text {
  font-family: monospace;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--brand-gold-dark);
  letter-spacing: 0.05em;
}

.btn-copy-promo {
  background: var(--brand-gold);
  color: #FFF;
  border: none;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-copy-promo:hover {
  background: var(--brand-gold-dark);
}

.btn-airport-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--brand-teal);
  color: #FFF !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  text-align: center;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
  margin-top: auto;
}

.btn-airport-cta:hover {
  background: var(--brand-teal-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cta-aff-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.3;
}

/* TOC & Guide sections */
.toc-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.75rem;
  margin: 1.75rem 0 2.5rem;
}

.toc-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--brand-teal);
  margin-bottom: 0.75rem;
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.4rem 1rem;
  font-size: 0.9rem;
}

.toc-link {
  color: var(--text-secondary);
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.toc-link:hover {
  color: var(--brand-gold-dark);
  text-decoration: underline;
}

/* Section Headings */
h1.page-h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--brand-teal);
  margin-bottom: 1rem;
  line-height: 1.3;
}

h2.section-h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--brand-teal);
  margin: 2.75rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  scroll-margin-top: 5rem;
}

h3.section-h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-teal);
  margin: 1.75rem 0 0.75rem;
  scroll-margin-top: 5rem;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: all 0.2s ease;
  scroll-margin-top: 5rem;
}

.faq-item:hover {
  border-color: var(--brand-gold);
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brand-teal);
  margin-bottom: 0.6rem;
}

.faq-answer {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Comparison Matrix Table */
.data-table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.data-table th, .data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-light);
}

.data-table th {
  background: var(--bg-subtle);
  color: var(--brand-teal);
  font-weight: 700;
  white-space: nowrap;
}

.data-table tr:hover td {
  background: var(--brand-gold-bg);
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--brand-teal);
  color: #FFF;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 10000;
  display: none;
  animation: toastFade 0.25s ease forwards;
}

@keyframes toastFade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Footer */
.site-footer {
  background: #0B1C20;
  color: #A3B5BC;
  padding: 3.5rem 1.25rem 2rem;
  border-top: 1px solid #1A3036;
  font-size: 0.9rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand h4 {
  color: #FFF;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-brand p {
  line-height: 1.7;
  max-width: 480px;
}

.footer-links h5 {
  color: #FFF;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-links a {
  color: #A3B5BC;
}

.footer-links a:hover {
  color: #FFF;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid #162B30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #6C828A;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
  .stages-grid {
    grid-template-columns: 1fr;
  }
  
  .airport-card-body {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  
  .search-trigger-btn {
    display: none;
  }
  
  .mobile-search-btn, .mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .hero-title {
    font-size: 1.6rem;
  }
  
  .airport-card-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .search-modal-backdrop {
    padding: 1.5rem 0.75rem;
  }
}

/* ========================================================
   Featured Brand Highlight: 全球云 (Global Cloud)
   ======================================================== */
.airport-card.featured-airport {
  border: 2px solid var(--brand-gold) !important;
  box-shadow: 0 10px 32px rgba(197, 158, 56, 0.22) !important;
  position: relative;
}

.airport-card.featured-airport .airport-card-header {
  background: linear-gradient(90deg, #FAF3E0 0%, #FCF9F0 100%) !important;
  border-bottom: 2px solid var(--brand-gold-border) !important;
}

.badge-tag.featured-badge {
  background: linear-gradient(135deg, #D4AF37 0%, #AA8214 100%) !important;
  color: #FFF !important;
  font-weight: 800 !important;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.75rem !important;
  border-radius: 6px !important;
  box-shadow: 0 2px 8px rgba(170, 130, 20, 0.35);
}

.featured-showcase-card {
  background: linear-gradient(135deg, #FFFDF8 0%, #F8F5EC 100%);
  border: 2px solid var(--brand-gold);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  margin-bottom: 2.75rem;
  box-shadow: 0 12px 36px rgba(197, 158, 56, 0.18);
  position: relative;
  overflow: hidden;
}

.featured-showcase-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 8px;
  height: 100%;
  background: linear-gradient(180deg, #D4AF37 0%, #8C6409 100%);
}

.featured-ribbon {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, #D4AF37 0%, #8C6409 100%);
  color: #FFF;
  font-size: 0.85rem;
  font-weight: 800;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  margin-bottom: 1rem;
  box-shadow: 0 2px 6px rgba(140, 100, 9, 0.3);
}

.featured-headline {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--brand-teal);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.featured-points-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 1.75rem;
}

.featured-point-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.featured-point-item strong {
  color: var(--brand-teal);
  display: block;
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.featured-point-item span {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.table-row-featured {
  background: #FDF9EE !important;
  font-weight: 600;
}

.table-row-featured td {
  border-bottom: 2px solid var(--brand-gold-border) !important;
}

/* ========================================================
   Clients Directory & Tutorial Styles
   ======================================================== */

.clients-hero {
  background: linear-gradient(135deg, #0F2A30 0%, #163B43 100%);
  color: #FFF;
  padding: 3.5rem 1.5rem 3rem;
  border-radius: var(--radius-lg);
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.clients-hero::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(197, 158, 56, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.clients-hero h1 {
  color: #FFF;
  font-size: 2.2rem;
  margin-bottom: 0.8rem;
  letter-spacing: -0.02em;
}

.clients-hero .lead-p {
  color: #D3DFE2;
  font-size: 1.1rem;
  max-width: 800px;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.clients-warning-banner {
  background: #FFF8E6;
  border: 1px solid #F1D48A;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  color: #7A5508;
  font-size: 0.92rem;
  line-height: 1.55;
}

.clients-warning-banner strong {
  color: #5C3D00;
}

.clients-warning-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: #B27B00;
}

.client-filter-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.filter-row:last-child {
  margin-bottom: 0;
}

.filter-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  min-width: 70px;
}

.filter-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  flex: 1;
}

.filter-pill {
  border: 1px solid var(--border-color);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.filter-pill:hover {
  background: #EAE6DC;
  color: var(--text-main);
}

.filter-pill.active {
  background: var(--brand-teal);
  color: #FFF;
  border-color: var(--brand-teal);
  font-weight: 600;
}

.client-search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
}

.client-search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  background: var(--bg-surface);
  color: var(--text-main);
  transition: border-color 0.2s;
}

.client-search-input:focus {
  outline: none;
  border-color: var(--brand-gold);
  box-shadow: 0 0 0 3px rgba(197, 158, 56, 0.15);
}

.client-search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.filter-stats-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.filter-count-badge {
  font-weight: 700;
  color: var(--brand-teal);
  background: #E8F2F7;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

/* Client Card Grid */
.client-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 640px) {
  .client-grid {
    grid-template-columns: 1fr;
  }
}

.client-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.client-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-gold-border);
}

.client-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.client-card-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.client-idx {
  background: var(--brand-teal);
  color: #FFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.client-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
  line-height: 1.3;
}

.client-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.client-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  line-height: 1.3;
}

.badge-status-active {
  background: var(--tag-green-bg);
  color: var(--tag-green-text);
}

.badge-status-archived {
  background: #FEECEB;
  color: #C0392B;
}

.badge-status-unknown {
  background: #F4F1EA;
  color: #7F8C8D;
}

.badge-kernel {
  background: #EBF3F8;
  color: #1A5276;
}

.badge-license {
  background: #F3EFF9;
  color: #5B2C6F;
}

.client-specs-table {
  width: 100%;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  border-collapse: collapse;
}

.client-specs-table td {
  padding: 0.3rem 0;
  border-bottom: 1px dashed var(--border-light);
  color: var(--text-secondary);
}

.client-specs-table td.spec-k {
  width: 80px;
  color: var(--text-muted);
  font-weight: 500;
}

.client-specs-table td.spec-v {
  color: var(--text-main);
}

.client-downloads-section {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.client-dl-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dl-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.dl-link-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  text-decoration: none;
  transition: all 0.15s ease;
}

.dl-link-btn:hover {
  background: #ECE7DC;
  border-color: var(--border-color);
  color: var(--brand-teal);
}

.dl-link-tag {
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  background: #FFF;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.discontinued-notice {
  background: #FDF2E9;
  border: 1px solid #F5CBA7;
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 0.82rem;
  color: #A04000;
  margin-bottom: 1rem;
  line-height: 1.45;
}

.client-card-action {
  margin-top: 0.5rem;
}

.btn-tutorial-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
  padding: 0.6rem 1rem;
  background: var(--brand-teal);
  color: #FFF !important;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 6px;
  text-align: center;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-tutorial-link:hover {
  background: var(--brand-teal-light);
  box-shadow: var(--shadow-sm);
}

/* ========================================================
   Tutorial Specific Styles
   ======================================================== */

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--brand-teal);
  text-decoration: underline;
}

.tutorial-header {
  margin-bottom: 2.5rem;
}

.tutorial-spec-sheet {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.spec-item-k {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spec-item-v {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.tutorial-goal-box {
  background: #EBF5FB;
  border-left: 4px solid #3498DB;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1rem 1.25rem;
  margin-top: 1.25rem;
  color: #1B4F72;
  font-size: 0.92rem;
  line-height: 1.55;
}

/* Interactive Checklist */
.interactive-checklist {
  background: #FFF;
  border: 2px solid var(--brand-teal);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-md);
}

.checklist-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.checklist-head h3 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--brand-teal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.checklist-progress-wrap {
  width: 100%;
  background: var(--border-light);
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.checklist-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--brand-teal) 0%, var(--brand-gold) 100%);
  transition: width 0.3s ease;
}

.checklist-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.check-item:hover {
  background: #ECE7DC;
}

.check-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--brand-teal);
  cursor: pointer;
  margin-top: 2px;
}

.check-item.completed {
  background: #EAF5EA;
  border-color: #BCE2BE;
}

.check-item.completed .check-text {
  text-decoration: line-through;
  color: #557E57;
}

.checklist-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.btn-reset-checklist {
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.85rem;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.btn-reset-checklist:hover {
  background: var(--bg-subtle);
  color: #C0392B;
  border-color: #C0392B;
}

/* Tutorial Steps */
.step-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.step-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

.step-badge {
  background: var(--brand-teal);
  color: #FFF;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  flex-shrink: 0;
}

.step-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.step-content {
  color: var(--text-main);
  font-size: 0.96rem;
  line-height: 1.7;
}

.step-content p {
  margin-bottom: 1rem;
}

.step-content ul, .step-content ol {
  margin-bottom: 1rem;
  padding-left: 1.4rem;
}

.step-content li {
  margin-bottom: 0.4rem;
}

.step-callout {
  background: #FAF8F2;
  border-left: 4px solid var(--brand-gold);
  border-radius: 0 6px 6px 0;
  padding: 0.85rem 1.2rem;
  margin: 1rem 0;
  font-size: 0.92rem;
  color: #6C551F;
}

.step-danger-callout {
  background: #FDF3F2;
  border-left: 4px solid #E74C3C;
  border-radius: 0 6px 6px 0;
  padding: 0.85rem 1.2rem;
  margin: 1rem 0;
  font-size: 0.92rem;
  color: #922B21;
}

.code-box {
  background: #111E22;
  color: #E2E8F0;
  padding: 1rem 1.25rem;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.88rem;
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid #1E343C;
}

/* Troubleshooting Accordion */
.faq-accordion-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.trouble-detail {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
}

.trouble-detail[open] {
  border-color: var(--brand-gold-border);
  box-shadow: var(--shadow-sm);
}

.trouble-summary {
  padding: 1rem 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.98rem;
  cursor: pointer;
  background: var(--bg-subtle);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.trouble-summary::-webkit-details-marker {
  display: none;
}

.trouble-summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.trouble-detail[open] .trouble-summary::after {
  content: "−";
  color: var(--brand-teal);
}

.trouble-content {
  padding: 1.25rem;
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.65;
  border-top: 1px solid var(--border-light);
}

.trouble-content p {
  margin-bottom: 0.75rem;
}

.trouble-content ul {
  padding-left: 1.2rem;
  margin-bottom: 0.75rem;
}

.tutorial-bottom-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* Global SVG Safety Rules */
svg {
  box-sizing: content-box;
}

.clients-warning-icon {
  width: 24px !important;
  min-width: 24px !important;
  max-width: 24px !important;
  height: 24px !important;
  max-height: 24px !important;
  flex-shrink: 0 !important;
}

.client-search-icon {
  width: 16px !important;
  min-width: 16px !important;
  max-width: 16px !important;
  height: 16px !important;
  max-height: 16px !important;
  flex-shrink: 0 !important;
}

/* ========================================================
   Airport In-Depth Review Styles (Deep-Dive)
   ======================================================== */
.airport-deep-dive {
  border-top: 1px solid var(--border-color);
  background: #FAF8F3;
  padding: 1.75rem 2rem;
}

.verdict-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--brand-teal);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.verdict-header {
  font-weight: 700;
  color: var(--brand-teal);
  font-size: 0.98rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.verdict-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}

.verdict-item strong {
  display: block;
  font-size: 0.82rem;
  color: var(--brand-teal);
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.verdict-item p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.review-section-h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-teal);
  margin: 1.5rem 0 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.review-text {
  font-size: 0.9rem;
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 0.85rem;
}

.plan-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.plan-picker-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  font-size: 0.85rem;
}

.plan-picker-card strong {
  color: var(--brand-teal);
  display: block;
  margin-bottom: 0.3rem;
}

.nodes-mini-table {
  width: 100%;
  font-size: 0.84rem;
  border-collapse: collapse;
  margin: 0.75rem 0 1.25rem;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.nodes-mini-table th, .nodes-mini-table td {
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid var(--border-light);
  text-align: left;
}

.nodes-mini-table th {
  background: var(--bg-subtle);
  color: var(--brand-teal);
  font-weight: 700;
}

.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
}

@media (max-width: 640px) {
  .pros-cons-grid {
    grid-template-columns: 1fr;
  }
  .airport-deep-dive {
    padding: 1.25rem 1rem;
  }
}

.pro-box, .con-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-size: 0.86rem;
}

.pro-box { border-left: 3px solid #27AE60; }
.con-box { border-left: 3px solid #E74C3C; }

.pro-box h5, .con-box h5 {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  font-weight: 700;
}
.pro-box h5 { color: #27AE60; }
.con-box h5 { color: #E74C3C; }

.peer-compare-box {
  background: #F4F7F9;
  border: 1px solid #D5E1E8;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: 0.86rem;
  color: #244152;
  margin: 1rem 0;
  line-height: 1.6;
}

/* ========================================================
   Enhanced Paragraphing & Visual Chunking Styles
   ======================================================== */

.spec-kv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.85rem;
  margin: 1rem 0 1.5rem;
}

.spec-kv-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  box-shadow: 0 1px 3px rgba(15, 42, 48, 0.02);
}

.spec-kv-card strong {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.spec-kv-card span, .spec-kv-card a {
  color: var(--text-main);
  line-height: 1.5;
}

/* Benchmark Subcards Grid */
.benchmark-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.25rem 0 1.75rem;
}

.benchmark-subcard {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--brand-teal);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.benchmark-subcard:hover {
  border-left-color: var(--brand-gold);
  border-color: var(--brand-gold-border);
}

.benchmark-subcard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.benchmark-badge-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-teal);
}

.benchmark-badge-tag {
  font-size: 0.72rem;
  background: #E8F2F7;
  color: #195873;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.benchmark-subcard p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* 4-Step Client Onboarding Flow */
.setup-flow-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem;
  margin: 1.25rem 0 1.5rem;
}

.setup-step-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.setup-step-num {
  display: inline-block;
  background: var(--brand-teal);
  color: #FFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.setup-step-box h5 {
  margin: 0 0 0.4rem;
  font-size: 0.92rem;
  color: var(--brand-teal);
  font-weight: 700;
}

.setup-step-box p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* FAQ Q&A Card */
.faq-qa-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1rem;
  box-shadow: var(--shadow-sm);
}

.faq-qa-card h5 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-teal);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.faq-qa-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ========================================================
   Subscription Column & Interactive Component Styles
   ======================================================== */

/* Need Selector Tabs */
.need-selector-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.need-selector-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-teal);
  margin-bottom: 1rem;
}

.need-tabs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.need-tab-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.need-tab-btn:hover {
  background: #ECE7DC;
  border-color: var(--brand-teal);
}

.need-tab-btn.active {
  background: var(--brand-teal);
  border-color: var(--brand-teal);
  box-shadow: var(--shadow-sm);
}

.need-tab-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.need-tab-btn.active .need-tab-title {
  color: #FFF;
}

.need-tab-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.need-tab-btn.active .need-tab-desc {
  color: #D3DFE2;
}

.need-panel-content {
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--brand-teal);
  display: none;
  animation: fadeIn 0.2s ease;
}

.need-panel-content.active {
  display: block;
}

.need-panel-content h4 {
  margin: 0 0 0.5rem;
  color: var(--brand-teal);
  font-size: 1.05rem;
}

.need-panel-content p {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.need-panel-action {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--brand-teal);
  text-decoration: underline;
}

/* Trouble Symptom Selector */
.trouble-selector-container {
  background: #FFFDF9;
  border: 1px solid #F1E5CB;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}

.trouble-selector-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: #8C5900;
  margin-bottom: 0.5rem;
}

.trouble-symptoms-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.trouble-symptom-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: block;
}

.trouble-symptom-card:hover {
  border-color: #C59E38;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.trouble-symptom-card strong {
  display: block;
  font-size: 0.92rem;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.trouble-symptom-card span {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: block;
}

.trouble-symptom-card .symptom-arrow {
  color: var(--brand-teal);
  font-weight: 700;
  font-size: 0.82rem;
  margin-top: 0.5rem;
  display: inline-block;
}

/* Featured Hub Airport Card */
.featured-hub-card {
  background: linear-gradient(135deg, #FCFAF5 0%, #FFFFFF 100%);
  border: 2px solid var(--brand-gold);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.featured-hub-badge {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: var(--brand-gold-bg);
  border: 1px solid var(--brand-gold-border);
  color: var(--brand-gold-dark);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
}

.featured-hub-content h3 {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
  color: var(--brand-teal);
}

.featured-hub-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 820px;
  margin-bottom: 1.25rem;
}

.featured-hub-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.hub-fact-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  font-size: 0.86rem;
}

.hub-fact-item strong {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.hub-fact-item span {
  color: var(--text-main);
  font-weight: 600;
}

/* Articles Directory Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 3rem;
}

.article-guide-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.article-guide-card:hover {
  transform: translateY(-2px);
  border-color: var(--brand-gold-border);
  box-shadow: var(--shadow-md);
}

.article-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.65rem;
  width: fit-content;
}

.article-card-tag.concept { background: #E8F2F7; color: #195873; }
.article-card-tag.tutorial { background: #EAF5EA; color: #236E32; }
.article-card-tag.trouble { background: #FDF2E9; color: #A04000; }
.article-card-tag.data { background: #F2EDF8; color: #5D378B; }

.article-guide-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  line-height: 1.4;
}

.article-guide-card h3 a {
  color: var(--brand-teal);
  text-decoration: none;
}

.article-guide-card h3 a:hover {
  text-decoration: underline;
}

.article-guide-card p {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.article-card-footer {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

.article-card-target {
  color: var(--text-muted);
}

.article-card-link {
  color: var(--brand-teal);
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.article-card-link:hover {
  text-decoration: underline;
}

/* In-Article Action Box */
.article-next-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.article-next-box h5 {
  margin: 0;
  font-size: 0.98rem;
  color: var(--brand-teal);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.article-next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.article-next-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.84rem;
  color: var(--brand-teal);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.15s;
}

.article-next-btn:hover {
  border-color: var(--brand-teal);
  background: #FFF;
}

/* ===================================================
   TOP PROMO RIBBON & STANDOUT GLOBAL CLOUD BANNER
=================================================== */
.top-promo-ribbon {
  background: linear-gradient(90deg, #071518 0%, #0F2A30 45%, #18414B 100%) !important;
  color: #F8F6F0 !important;
  border-bottom: 1px solid rgba(197, 158, 56, 0.45) !important;
  font-size: 0.86rem;
  padding: 0.5rem 1rem;
  position: relative;
  z-index: 1000;
  display: block !important;
  width: 100%;
  box-sizing: border-box;
}

.top-promo-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 1rem;
  flex-wrap: wrap;
}

.ribbon-left {
  display: flex !important;
  align-items: center !important;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.ribbon-badge {
  background: linear-gradient(135deg, #FFD700 0%, #C59E38 100%) !important;
  color: #071518 !important;
  font-weight: 800 !important;
  font-size: 0.74rem !important;
  padding: 0.18rem 0.6rem !important;
  border-radius: 999px !important;
  white-space: nowrap !important;
  letter-spacing: 0.02em;
  display: inline-flex !important;
  align-items: center !important;
  line-height: 1.2;
}

.ribbon-text {
  color: #E2DDD2 !important;
  font-size: 0.86rem !important;
}

.ribbon-text strong {
  color: #FFFFFF !important;
}

.ribbon-code {
  color: #FFD700 !important;
  background: rgba(0, 0, 0, 0.45) !important;
  padding: 0.1rem 0.45rem !important;
  border-radius: 4px !important;
  border: 1px dashed rgba(255, 215, 0, 0.55) !important;
  font-family: monospace;
  font-weight: 700;
}

.ribbon-btns {
  display: flex !important;
  align-items: center !important;
  gap: 0.6rem;
  white-space: nowrap;
}

.ribbon-btn-gold {
  background: linear-gradient(135deg, #FFD700 0%, #D4AF37 100%) !important;
  color: #071518 !important;
  font-weight: 800 !important;
  font-size: 0.8rem !important;
  padding: 0.28rem 0.85rem !important;
  border-radius: 999px !important;
  text-decoration: none !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.25rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  transition: all 0.2s ease;
  line-height: 1.2;
}

.ribbon-btn-gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(255, 215, 0, 0.45);
}

.ribbon-btn-link {
  color: #ECE8DE !important;
  font-size: 0.8rem !important;
  text-decoration: underline !important;
  padding: 0.25rem 0.35rem !important;
  transition: color 0.2s;
  white-space: nowrap;
}

.ribbon-btn-link:hover {
  color: #FFD700 !important;
}

@media (max-width: 860px) {
  .top-promo-container {
    justify-content: center !important;
    text-align: center;
  }
  .ribbon-left {
    justify-content: center !important;
  }
  .ribbon-btns {
    justify-content: center !important;
    width: 100%;
    margin-top: 0.25rem;
  }
}

/* Large Standout Hero Banner for Global Cloud */
.globalcloud-hero-banner {
  background: linear-gradient(135deg, #091A1E 0%, #0F2A30 45%, #163B43 100%);
  border: 2px solid #C59E38;
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  margin: 1.5rem 0 2.5rem;
  box-shadow: 0 12px 32px rgba(15, 42, 48, 0.25), 0 0 24px rgba(197, 158, 56, 0.18);
  position: relative;
  overflow: hidden;
  color: #F8F6F0;
}

.globalcloud-hero-banner::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(197, 158, 56, 0.22) 0%, rgba(197, 158, 56, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.gc-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.gc-badge-flag {
  background: linear-gradient(135deg, #FFD700 0%, #C59E38 100%);
  color: #071518;
  font-weight: 800;
  font-size: 0.82rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  letter-spacing: 0.03em;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.gc-audit-tag {
  color: #E2DDD2;
  font-size: 0.82rem;
  opacity: 0.9;
}

.gc-heading-h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.35;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}

.gc-brand-highlight {
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFD700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.gc-desc {
  font-size: 0.95rem;
  color: #D3DCDD;
  line-height: 1.7;
  max-width: 880px;
  margin-bottom: 1.35rem;
}

.gc-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.gc-feature-pill {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(197, 158, 56, 0.3);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  backdrop-filter: blur(4px);
}

.gc-feature-icon {
  font-size: 1.25rem;
  line-height: 1;
  flex-shrink: 0;
}

.gc-feature-info strong {
  display: block;
  font-size: 0.88rem;
  color: #FFFFFF;
  margin-bottom: 0.15rem;
}

.gc-feature-info span {
  font-size: 0.8rem;
  color: #B5C6C9;
  line-height: 1.4;
  display: block;
}

.gc-cta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.gc-promo-code-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 215, 0, 0.55);
}

.gc-promo-label {
  font-size: 0.82rem;
  color: #ECE8DE;
}

.gc-promo-code {
  font-family: monospace;
  font-size: 1.1rem;
  font-weight: 800;
  color: #FFD700;
  letter-spacing: 0.05em;
}

.gc-action-buttons {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.btn-gc-primary {
  background: linear-gradient(135deg, #FFD700 0%, #D4AF37 100%);
  color: #071518 !important;
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
  transition: all 0.2s ease;
}

.btn-gc-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.55);
}

.btn-gc-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
}

.btn-gc-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #FFFFFF;
}

@media (max-width: 768px) {
  .globalcloud-hero-banner {
    padding: 1.5rem 1.25rem;
  }
  .gc-heading-h2 {
    font-size: 1.35rem;
  }
  .gc-brand-highlight {
    font-size: 1.05rem;
  }
  .gc-cta-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .gc-action-buttons {
    flex-direction: column;
  }
  .btn-gc-primary, .btn-gc-secondary {
    justify-content: center;
    width: 100%;
  }
}