/* VPN 加速器选购指南 - 全站样式库 (vpn-jiasuqi.blog) */
:root {
  --bg-primary: #fbfbfa;
  --bg-secondary: #f3f5f1;
  --bg-card: #ffffff;
  --text-primary: #18181b;
  --text-secondary: #52525b;
  --text-muted: #71717a;
  --border-color: #e4e7e2;
  --border-focus: #4b6348;
  --accent-olive: #435441;
  --accent-olive-light: #eff3ee;
  --accent-olive-hover: #344232;
  --accent-peach: #fff7ed;
  --accent-peach-border: #fed7aa;
  --accent-peach-text: #9a3412;
  --accent-emerald: #059669;
  --accent-emerald-light: #f0fdf4;
  --accent-emerald-border: #a7f3d0;
  --accent-blue: #1d4ed8;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--accent-blue);
  text-decoration: underline;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(251, 251, 250, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none !important;
  flex-shrink: 0;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-link {
  font-size: 0.90rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  transition: all 0.2s;
  white-space: nowrap; /* 核心：文字绝对并行单行排列，严禁折行 */
  display: inline-block;
  flex-shrink: 0;
}

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

/* Header Right: Search Bar */
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  flex-shrink: 0;
}

.search-box-container {
  position: relative;
  width: 240px;
}

.search-input {
  width: 100%;
  padding: 8px 36px 8px 14px;
  font-size: 0.88rem;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background-color: #ffffff;
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s;
}

.search-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(67, 84, 65, 0.15);
  width: 320px;
}

.search-icon-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.search-shortcut-badge {
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  background: var(--bg-secondary);
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 4px;
  pointer-events: none;
  border: 1px solid var(--border-color);
}

/* Search Dropdown Results */
.search-results-modal {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 440px;
  max-height: 480px;
  overflow-y: auto;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  z-index: 200;
}

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

.search-result-group-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 10px;
}

.search-result-item {
  display: block;
  padding: 10px;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  color: var(--text-primary);
  transition: background 0.15s;
  border-bottom: 1px solid #f4f4f5;
}

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

.search-result-item:hover, .search-result-item.selected {
  background-color: var(--accent-olive-light);
}

.search-result-title {
  font-weight: 600;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--accent-olive);
}

.search-result-badge {
  font-size: 0.72rem;
  background: #e2e8f0;
  color: #334155;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: normal;
}

.search-result-snippet {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.4;
}

.search-empty-tip {
  padding: 20px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Mobile Hamburger Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  color: var(--text-primary);
}

.mobile-menu-btn svg {
  width: 22px;
  height: 22px;
  display: block;
}

/* Main Content Layout */
.page-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px 80px 20px;
}

/* Breadcrumb */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

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

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

.breadcrumb-sep {
  color: #cbd5e1;
}

/* Hero Section */
.hero-box {
  background: linear-gradient(180deg, #f3f5f1 0%, #ffffff 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.hero-box::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 240px;
  height: 100%;
  background: radial-gradient(circle at 100% 0%, rgba(67, 84, 65, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--accent-olive-light);
  color: var(--accent-olive);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
  border: 1px solid rgba(67, 84, 65, 0.2);
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 780px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--accent-olive);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  text-decoration: none !important;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent-olive-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #ffffff;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  text-decoration: none !important;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: #cbd5e1;
}

/* Featured Spotlight Hero Box (Home & Top Recommendation) */
.featured-hero-box {
  background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 60%, #ecfdf5 100%);
  border: 2px solid #059669;
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 40px;
  box-shadow: 0 10px 25px -5px rgba(5, 150, 105, 0.12), 0 8px 10px -6px rgba(5, 150, 105, 0.08);
  position: relative;
}

.featured-ribbon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 4px rgba(5, 150, 105, 0.25);
}

/* Notice / Peach Alert */
.notice-peach {
  background-color: var(--accent-peach);
  border: 1px solid var(--accent-peach-border);
  color: var(--accent-peach-text);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 28px 0;
  font-size: 0.92rem;
  line-height: 1.6;
}

.notice-peach strong {
  color: #7c2d12;
}

/* Card Section */
.section-block {
  margin-bottom: 50px;
}

.section-heading-h2 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
  position: relative;
}

.section-heading-h2::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background-color: var(--accent-olive);
}

.section-heading-h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 14px 0;
}

/* 3 Quick Questions on Home */
.quick-qa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 36px;
}

.quick-qa-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all 0.2s;
}

.quick-qa-card:hover {
  border-color: var(--accent-olive);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.qa-card-icon {
  width: 36px;
  height: 36px;
  background-color: var(--accent-olive-light);
  color: var(--accent-olive);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 14px;
}

.qa-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.qa-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Airport Cards */
.airport-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.airport-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s;
  position: relative;
  scroll-margin-top: 90px;
}

.airport-card:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

/* Featured Flagship Card */
.airport-card.featured-card {
  border: 2px solid #059669;
  background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 130px);
  box-shadow: 0 10px 25px -5px rgba(5, 150, 105, 0.15), 0 8px 10px -6px rgba(5, 150, 105, 0.08);
}

.airport-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #f1f5f9;
}

.airport-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.airport-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-olive);
  background: var(--accent-olive-light);
  padding: 4px 8px;
  border-radius: 6px;
}

.airport-index.featured-index {
  background: #059669;
  color: #ffffff;
}

.airport-name {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.airport-header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.promo-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.copy-promo-btn {
  background: #ffffff;
  border: 1px solid #fca5a5;
  color: #b91c1c;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.72rem;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-promo-btn:hover {
  background: #b91c1c;
  color: #ffffff;
}

.aff-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--accent-olive);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none !important;
  transition: all 0.2s;
}

.aff-btn:hover {
  background-color: var(--accent-olive-hover);
}

.aff-btn.featured-btn {
  background-color: #059669;
}

.aff-btn.featured-btn:hover {
  background-color: #047857;
}

.airport-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  background: var(--bg-secondary);
  padding: 18px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.meta-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

.airport-pitch-text {
  font-size: 0.96rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* Feature tags */
.feature-box-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.feature-box {
  background: #fafaf9;
  border: 1px solid #e7e5e4;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.feature-box-title {
  font-size: 0.84rem;
  font-weight: 700;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.feature-box-title.good {
  color: #166534;
}

.feature-box-title.bad {
  color: #991b1b;
}

.feature-box-content {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Plan details list */
.plan-detail-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  background: #ffffff;
  margin-bottom: 16px;
}

.plan-detail-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.plan-item-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.plan-item-list li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.plan-item-list li::before {
  content: "•";
  color: var(--accent-olive);
  font-weight: bold;
}

.airport-check-tip {
  font-size: 0.82rem;
  color: #854d0e;
  background-color: #fefce8;
  border-left: 3px solid #eab308;
  padding: 10px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Comparison Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: #ffffff;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.compare-table th {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  padding: 12px 14px;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.compare-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #f1f5f9;
  color: var(--text-secondary);
}

.compare-table tr:hover td {
  background-color: var(--accent-olive-light);
}

.compare-table tr.featured-row {
  background-color: #f0fdf4 !important;
}

.compare-table tr.featured-row td {
  border-bottom: 1px solid #a7f3d0;
}

/* FAQ Accordion / Cards */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.faq-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  scroll-margin-top: 90px;
}

.faq-q {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.faq-q::before {
  content: "Q";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--accent-olive-light);
  color: var(--accent-olive);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: bold;
  flex-shrink: 0;
}

.faq-a {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Footer */
.site-footer {
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 60px 20px 40px 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.footer-links-title {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.footer-nav-list a:hover {
  color: var(--accent-olive);
}

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8rem;
}

/* Mobile responsive drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #ffffff;
  z-index: 99;
  padding: 20px;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  border-top: 1px solid var(--border-color);
}

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

.mobile-search-wrapper {
  margin-bottom: 12px;
}

/* Responsive Breakpoints */
@media (max-width: 1220px) {
  .header-inner {
    padding: 0 16px;
    gap: 8px;
  }
  .main-nav {
    gap: 6px;
  }
  .nav-link {
    font-size: 0.85rem;
    padding: 4px 6px;
  }
  .search-box-container {
    width: 175px;
  }
  .brand-desc {
    display: none;
  }
}

@media (max-width: 1024px) {
  .header-inner {
    height: 64px;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .search-box-container {
    width: 180px;
  }
  .search-input:focus {
    width: 200px;
  }
  .search-shortcut-badge {
    display: none;
  }
  .search-results-modal {
    width: calc(100vw - 32px);
    right: -40px;
  }
  .feature-box-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 640px) {
  .hero-box {
    padding: 24px 18px;
  }
  .hero-title {
    font-size: 1.6rem;
  }
  .search-box-container {
    width: 160px;
  }
  .airport-card {
    padding: 18px;
  }
  .airport-card-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .airport-header-cta {
    width: 100%;
    justify-content: space-between;
  }
}

/* Ermao-style Editorial Article Layout for /airport-recommend/ */
.airport-article-entry {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 36px;
  margin-bottom: 36px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.airport-article-entry:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.airport-article-entry.featured-entry {
  border-left: 5px solid #059669;
  background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 120px);
}

.airport-article-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  border-bottom: 1px solid #f1f5f9;
  margin-bottom: 20px;
}

.airport-article-heading-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.airport-article-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: 8px;
  font-weight: 800;
  font-size: 1.1rem;
  font-family: var(--font-mono);
}

.featured-entry .airport-article-index {
  background: #059669;
  color: #ffffff;
}

.airport-article-h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.35;
  margin: 0;
}

.airport-article-h3 a {
  color: inherit;
  text-decoration: none;
}

.airport-article-h3 a:hover {
  color: var(--accent-olive);
}

.airport-tagline-badge {
  display: inline-block;
  background: #f1f5f9;
  color: #475569;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
}

.featured-entry .airport-tagline-badge {
  background: #dcfce7;
  color: #166534;
  font-weight: 700;
}

.airport-article-prose {
  font-size: 1.02rem;
  line-height: 1.85;
  color: #334155;
  margin-bottom: 20px;
}

.airport-article-prose p {
  margin-bottom: 14px;
}

.airport-article-table-wrapper {
  margin: 20px 0;
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

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

.airport-article-table th {
  background: #f8fafc;
  color: #475569;
  font-weight: 700;
  padding: 10px 14px;
  border-bottom: 1px solid #e2e8f0;
}

.airport-article-table td {
  padding: 10px 14px;
  border-bottom: 1px solid #f1f5f9;
  color: #334155;
}

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

.airport-article-specs {
  background: #f8fafc;
  border-radius: 8px;
  padding: 18px 22px;
  margin: 20px 0;
  border: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.94rem;
  line-height: 1.7;
}

.airport-spec-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.airport-spec-label {
  font-weight: 700;
  color: var(--text-primary);
  min-width: 130px;
  flex-shrink: 0;
}

.airport-spec-val {
  color: #475569;
}

.airport-article-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed #cbd5e1;
}

.airport-action-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.article-review-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #ffffff;
  color: var(--accent-olive);
  border: 1px solid var(--accent-olive);
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: all 0.2s ease;
}

.article-review-link:hover {
  background: var(--accent-olive-light);
  transform: translateY(-1px);
}

.article-aff-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--accent-olive);
  color: #ffffff !important;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: all 0.2s ease;
}

.article-aff-link:hover {
  background: var(--accent-olive-hover);
  transform: translateY(-1px);
}

.article-aff-link.featured-aff {
  background: #059669;
}

.article-aff-link.featured-aff:hover {
  background: #047857;
}

@media (max-width: 768px) {
  .airport-article-entry {
    padding: 20px 18px;
    margin-bottom: 24px;
  }
  .airport-article-h3 {
    font-size: 1.25rem;
  }
  .airport-spec-row {
    flex-direction: column;
    gap: 2px;
  }
  .airport-spec-label {
    min-width: auto;
  }
  .airport-article-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .airport-action-links {
    flex-direction: column;
    width: 100%;
  }
  .article-review-link, .article-aff-link {
    justify-content: center;
    width: 100%;
  }
}

/* ============================================================
   Accelerator Tools & Clients Download Directory (/tools/)
   ============================================================ */
.tool-filter-section {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 28px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.filter-search-row {
  margin-bottom: 18px;
  position: relative;
}

.filter-search-input {
  width: 100%;
  padding: 12px 18px 12px 42px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 1rem;
  outline: none;
  background: #f8fafc;
  transition: all 0.2s ease;
}

.filter-search-input:focus {
  background: #ffffff;
  border-color: var(--accent-olive);
  box-shadow: 0 0 0 3px rgba(67, 84, 65, 0.15);
}

.filter-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  pointer-events: none;
}

.filter-pills-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.filter-label {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-primary);
  min-width: 72px;
}

.filter-btn {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #475569;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.84rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
}

.filter-btn:hover {
  background: #e2e8f0;
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent-olive);
  border-color: var(--accent-olive);
  color: #ffffff;
  font-weight: 600;
}

.filter-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px dashed #e2e8f0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.reset-filter-btn {
  background: none;
  border: 1px solid #cbd5e1;
  color: #64748b;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.reset-filter-btn:hover {
  background: #f1f5f9;
  color: var(--text-primary);
}

/* Tool Cards Grid / List */
.tools-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tool-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.tool-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.tool-card.discontinued {
  background: #fafafa;
  border-left: 4px solid #94a3b8;
}

.tool-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  border-bottom: 1px solid #f1f5f9;
  margin-bottom: 14px;
}

.tool-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tool-num-badge {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 3px 8px;
  border-radius: 6px;
}

.tool-name-h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
}

.tool-badge-pill {
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: #f1f5f9;
  color: #475569;
  font-weight: 600;
}

.tool-status-badge {
  font-size: 0.8rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
}

.status-active {
  background: #dcfce7;
  color: #166534;
}

.status-discontinued {
  background: #f1f5f9;
  color: #64748b;
  border: 1px solid #cbd5e1;
}

.status-slow {
  background: #fef9c3;
  color: #854d0e;
}

.status-unverified {
  background: #f3f4f6;
  color: #6b7280;
}

.tool-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  background: #f8fafc;
  padding: 12px 16px;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
}

.tool-meta-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.tool-meta-k {
  color: #64748b;
  font-weight: 600;
}

.tool-meta-v {
  color: var(--text-primary);
  font-weight: 500;
}

.tool-notice-alert {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.tool-notice-alert.danger {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

/* Downloads Section */
.tool-downloads-container {
  margin-top: 14px;
}

.tool-dl-platform-block {
  margin-bottom: 12px;
}

.tool-dl-platform-title {
  font-size: 0.84rem;
  font-weight: 700;
  color: #475569;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tool-dl-buttons-flex {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-dl {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: all 0.2s ease;
}

.btn-dl-direct {
  background: #f0fdf4;
  color: #166534 !important;
  border: 1px solid #bbf7d0;
}

.btn-dl-direct:hover {
  background: #dcfce7;
  transform: translateY(-1px);
}

.btn-dl-release {
  background: #f8fafc;
  color: #1e293b !important;
  border: 1px solid #cbd5e1;
}

.btn-dl-release:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
  transform: translateY(-1px);
}

.btn-dl-store {
  background: #0f172a;
  color: #ffffff !important;
  border: 1px solid #0f172a;
}

.btn-dl-store:hover {
  background: #1e293b;
  transform: translateY(-1px);
}

.btn-dl-project {
  background: #eff6ff;
  color: #1d4ed8 !important;
  border: 1px solid #bfdbfe;
}

.btn-dl-project:hover {
  background: #dbeafe;
  transform: translateY(-1px);
}

.no-dl-banner {
  background: #f1f5f9;
  border: 1px dashed #cbd5e1;
  color: #64748b;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.86rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Interactive Wizard */
.wizard-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-top: 36px;
}

.wizard-symptoms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.wizard-btn {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #334155;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}

.wizard-btn:hover {
  background: #f1f5f9;
  border-color: var(--accent-olive);
}

.wizard-btn.active {
  background: var(--accent-olive-light);
  border-color: var(--accent-olive);
  color: var(--accent-olive);
}

.wizard-answer-card {
  display: none;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 20px;
  margin-top: 14px;
  line-height: 1.75;
  font-size: 0.94rem;
}

.wizard-answer-card.show {
  display: block;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .tool-card {
    padding: 18px 16px;
  }
  .tool-name-h3 {
    font-size: 1.15rem;
  }
  .tool-meta-grid {
    grid-template-columns: 1fr;
  }
  .tool-dl-buttons-flex {
    flex-direction: column;
  }
  .btn-dl {
    justify-content: center;
    width: 100%;
  }
}

/* ========================================================
   Tutorials Page Styles (加速器教程专属样式与交互组件)
   ======================================================== */
.btn-dl-tutorial {
  background: #f0fdf4 !important;
  color: #166534 !important;
  border-color: #bbf7d0 !important;
}
.btn-dl-tutorial:hover {
  background: #dcfce7 !important;
  border-color: #86efac !important;
}

.tutorial-progress-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.progress-info {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 260px;
}

.progress-bar-outer {
  flex: 1;
  height: 10px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar-inner {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-olive) 0%, #10b981 100%);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.progress-count-text {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.btn-reset-progress {
  font-size: 0.84rem;
  padding: 6px 14px;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-reset-progress:hover {
  background: #e2e8f0;
  color: var(--text-primary);
}

.tutorial-deep-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.tutorial-header-meta {
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.tutorial-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.tutorial-target-banner {
  background: #f8fafc;
  border-left: 4px solid var(--accent-olive);
  padding: 12px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 20px;
  font-size: 0.92rem;
  line-height: 1.6;
}

.tutorial-steps-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tutorial-step-block {
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  background: #fafaf9;
  transition: border-color 0.2s;
}
.tutorial-step-block.is-checked {
  background: #f0fdf4;
  border-color: #86efac;
}

.step-label-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.step-checkbox {
  width: 20px;
  height: 20px;
  margin-top: 3px;
  accent-color: var(--accent-olive);
  cursor: pointer;
  flex-shrink: 0;
}

.step-header-text {
  flex: 1;
}

.step-badge-num {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  background: #e2e8f0;
  color: #475569;
  padding: 2px 7px;
  border-radius: 4px;
  margin-right: 8px;
}
.tutorial-step-block.is-checked .step-badge-num {
  background: #bbf7d0;
  color: #166534;
}

.step-title-span {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.step-body-content {
  margin-top: 14px;
  padding-left: 32px;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.step-action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin: 12px 0;
}

.step-action-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.88rem;
}
.step-action-item strong {
  color: var(--text-primary);
  display: inline-block;
  margin-bottom: 2px;
}

.step-visual-mockup {
  background: #1e293b;
  color: #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.84rem;
  line-height: 1.6;
  margin: 12px 0;
  overflow-x: auto;
  border: 1px solid #334155;
}

.step-visual-mockup .highlight-val {
  color: #38bdf8;
  font-weight: 600;
}
.step-visual-mockup .highlight-kw {
  color: #4ade80;
}
.step-visual-mockup .highlight-err {
  color: #f87171;
}

.step-failure-box {
  background: #fffbeb;
  border-left: 3px solid #f59e0b;
  padding: 10px 14px;
  border-radius: 0 4px 4px 0;
  margin-top: 10px;
  font-size: 0.88rem;
  color: #92400e;
}

/* 85 Client Tutorial Matrix Grid */
.tutorial-matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.tutorial-mini-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 18px;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.tutorial-mini-card:hover {
  border-color: var(--accent-olive);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.tutorial-mini-card.discontinued {
  opacity: 0.65;
  background: #fdfaf6;
}

/* Accordion Troubleshooting */
.troubleshoot-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 20px 0;
}

.troubleshoot-item {
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  background: #ffffff;
  overflow: hidden;
  transition: border-color 0.2s;
}
.troubleshoot-item:hover {
  border-color: var(--accent-olive);
}

.troubleshoot-header {
  padding: 16px 20px;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--text-primary);
}
.troubleshoot-header:hover {
  background: #f1f5f9;
}

.troubleshoot-body {
  display: none;
  padding: 20px;
  border-top: 1px solid #e2e8f0;
  line-height: 1.75;
  font-size: 0.94rem;
}
.troubleshoot-body.open {
  display: block;
}

.troubleshoot-arrow {
  transition: transform 0.2s;
}
.troubleshoot-header.active .troubleshoot-arrow {
  transform: rotate(180deg);
}

/* ========================================================
   Review Article Page & Pillar Backlink Styling
   ======================================================== */
.pillar-backlink-banner {
  background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-md);
  padding: 16px 22px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: 0 1px 3px rgba(16, 185, 129, 0.08);
}

.pillar-backlink-banner strong {
  display: block;
  color: #065f46;
  font-size: 0.98rem;
  margin-bottom: 3px;
}

.pillar-backlink-banner p {
  color: #047857;
  font-size: 0.86rem;
  margin: 0;
  line-height: 1.5;
}

.pillar-backlink-banner a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #059669;
  color: #ffffff !important;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none !important;
  white-space: nowrap;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(5, 150, 105, 0.2);
}

.pillar-backlink-banner a:hover {
  background: #047857;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(5, 150, 105, 0.3);
}

.review-article-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 40px;
}

.review-badge-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.review-badge-header .airport-index {
  font-family: var(--font-mono);
  font-size: 0.90rem;
  font-weight: 800;
  color: #ffffff;
  background: #0f172a;
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.04em;
}

.review-badge-header .airport-index.featured-index {
  background: #0f172a;
  color: #38bdf8;
  border: 1px solid #334155;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.review-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 20px;
}

.review-cta-bar {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* Tools / Tutorials Filter Panel */
.tools-filter-panel {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.tools-search-wrap {
  position: relative;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}

.tools-search-wrap svg {
  position: absolute;
  left: 14px;
  color: #94a3b8;
  pointer-events: none;
}

.tools-search-box {
  width: 100%;
  padding: 11px 16px 11px 42px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 0.95rem;
  background: #f8fafc;
  outline: none;
  transition: all 0.2s;
}

.tools-search-box:focus {
  background: #ffffff;
  border-color: var(--accent-olive);
  box-shadow: 0 0 0 3px rgba(67, 84, 65, 0.15);
}

.tools-pills-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tools-pill-label {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.tools-pill-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tool-filter-pill, .tut-filter-pill {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #475569;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tool-filter-pill:hover, .tut-filter-pill:hover {
  background: #e2e8f0;
  color: var(--text-primary);
}

.tool-filter-pill.active, .tut-filter-pill.active {
  background: var(--accent-olive);
  border-color: var(--accent-olive);
  color: #ffffff;
  font-weight: 600;
}

@media (max-width: 768px) {
  .review-article-box {
    padding: 24px 18px;
  }
  .pillar-backlink-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .pillar-backlink-banner a {
    width: 100%;
    justify-content: center;
  }
}