@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Color Palette - YunGui Neon Light Tech */
  --bg-primary: #f4f7fb;
  --bg-secondary: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent-primary: #00d2ff; /* Neon blue */
  --accent-secondary: #3a7bd5; /* Deep blue */
  --border-color: #e2e8f0;
  --card-border: #e2e8f0;
  --neon-glow: 0 0 15px rgba(0, 210, 255, 0.4), 0 0 30px rgba(0, 210, 255, 0.2);
  
  /* Layout */
  --container-width: 1200px;
  --header-height: 70px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 38px;
  width: auto;
  border-radius: 8px;
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section - Unique Light Style */
.hero {
  margin-top: var(--header-height);
  padding: 80px 0 60px;
  position: relative;
  background: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.1) 0%, rgba(255, 255, 255, 0) 60%), var(--bg-primary);
  text-align: center;
  border-bottom: 1px solid rgba(0, 210, 255, 0.15);
  overflow: hidden;
}

/* Subtle decorative shapes for hero */
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.6) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.2rem;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.search-bar {
  display: flex;
  max-width: 500px;
  margin: 0 auto;
  background: white;
  border: 1px solid var(--card-border);
  border-radius: 40px;
  padding: 5px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.search-input {
  flex: 1;
  padding: 12px 20px;
  border: none;
  background: transparent;
  font-size: 1rem;
  outline: none;
  color: var(--text-primary);
}

.search-btn {
  background: var(--text-primary);
  color: white;
  border: none;
  padding: 0 25px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 35px;
  transition: background var(--transition-fast);
}

.search-btn:hover {
  background: var(--accent-primary);
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.5);
}

/* Small Module Cards Layout */
.section-title {
  text-align: center;
  font-size: 1.8rem;
  margin: 60px 0 40px;
}

.kb-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.kb-card {
  background: var(--bg-primary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-decoration: none;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

/* Large Airport Blocks in Recommend */
#recommend.container {
  max-width: 85%;
}

#recommend .kb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 100%;
  margin: 0 auto;
}

#recommend .kb-card {
  padding: 40px 30px;
  min-height: 260px;
}

#recommend .kb-card h3 {
  font-size: 1.5rem;
  margin-top: 10px;
}

#recommend .kb-card p {
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Background Differentiation */
.card-bg-1 {
  background: linear-gradient(145deg, #f8fafc, #f1f5f9) !important;
}

.card-bg-2 {
  background: #ffffff !important;
}

.card-bg-3 {
  background: linear-gradient(145deg, #fdfbf7, #f5f5f4) !important;
}

#recommend .kb-card.highlighted {
  transform: scale(1.05);
  z-index: 2;
  border-width: 2px;
}

#recommend .kb-card.highlighted:hover {
  transform: scale(1.05) translateY(-5px);
}

@media (max-width: 768px) {
  #recommend.container {
    max-width: 100%;
  }
  #recommend .kb-grid {
    grid-template-columns: 1fr;
  }
  #recommend .kb-card.highlighted {
    transform: none;
  }
  #recommend .kb-card.highlighted:hover {
    transform: translateY(-5px);
  }
}

/* Vertical Ranking List */
.ranking-list {
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 1000px;
  margin: 0 auto;
  box-shadow: 0 5px 20px rgba(0,0,0,0.02);
}

.ranking-header {
  display: flex;
  background: linear-gradient(135deg, #00d2ff, #3a7bd5);
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
  padding: 15px 30px;
  font-weight: 600;
  font-size: 0.95rem;
  color: white;
  border-bottom: none;
  position: relative;
  z-index: 2;
}

.ranking-category {
  padding: 15px 30px;
  background: #fcfcfd;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.ranking-row {
  display: flex;
  align-items: center;
  padding: 20px 30px;
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-fast);
}

.ranking-row:last-child {
  border-bottom: none;
}

.ranking-row:hover {
  background: rgba(0, 210, 255, 0.03);
}

.rank-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  background: transparent;
  color: #94a3b8;
  margin-right: 34px;
  flex-shrink: 0;
}

.ranking-row.rank-1 .rank-num {
  background: #fef08a; /* Pastel Yellow */
  color: #854d0e;
}

.ranking-row.rank-2 .rank-num {
  background: #e0f2fe; /* Pastel Blue */
  color: #0369a1;
}

.ranking-row.rank-3 .rank-num {
  background: #ffedd5; /* Pastel Orange */
  color: #c2410c;
}

.rank-info {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rank-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rank-title h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 700;
}

.rank-title .icon {
  font-size: 1.2rem;
}

.rank-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.rank-tags .tag {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 600;
}

.rank-tags .tag-blue { background: #e0f2fe; color: #0284c7; }
.rank-tags .tag-green { background: #dcfce7; color: #16a34a; }
.rank-tags .tag-orange { background: #ffedd5; color: #ea580c; }
.rank-tags .tag-purple { background: #f3e8ff; color: #9333ea; }

.rank-price {
  font-weight: 700;
  color: var(--text-primary);
  min-width: 120px;
  text-align: right;
  margin-right: 40px;
}

.rank-action {
  min-width: 100px;
  text-align: center;
}

.action-btn {
  display: inline-block;
  background: linear-gradient(135deg, #00d2ff, #3a7bd5);
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
  color: white;
  border: none;
  padding: 10px 24px;
  border-radius: 8px; /* Slightly rounded block */
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.action-btn:hover {
  box-shadow: 0 6px 20px rgba(0, 210, 255, 0.5);
  transform: translateY(-2px);
  color: white;
}

.action-btn.primary {
  background: linear-gradient(135deg, #00d2ff, #3a7bd5);
  color: white;
}

.action-btn.primary:hover {
  box-shadow: 0 6px 20px rgba(0, 210, 255, 0.5);
}

@media (max-width: 768px) {
  .ranking-header { display: none; }
  .ranking-row { flex-wrap: wrap; padding: 20px; position: relative; }
  .rank-num { position: absolute; top: 20px; right: 20px; margin: 0; }
  .rank-info { width: 100%; margin-bottom: 20px; }
  .rank-price { margin: 0; text-align: left; flex-grow: 1; }
  .rank-action { min-width: auto; }
}

.kb-card.highlighted {
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(0, 210, 255, 0.15);
}

.kb-card.highlighted .kb-icon {
  background: rgba(0, 210, 255, 0.1);
}

.kb-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--neon-glow);
  border-color: var(--accent-primary);
}

/* Icon block */
.kb-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

/* Different icon colors */
.bg-blue { background: #eff6ff; color: #3b82f6; }
.bg-green { background: #f0fdf4; color: #22c55e; }
.bg-purple { background: #faf5ff; color: #a855f7; }
.bg-orange { background: #fff7ed; color: #f97316; }
.bg-red { background: #fef2f2; color: #ef4444; }
.bg-cyan { background: #ecfeff; color: #06b6d4; }
.bg-yellow { background: #fefce8; color: #eab308; }
.bg-indigo { background: #eef2ff; color: #6366f1; }

.kb-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.kb-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Article Page specific */
.article-header {
  background: transparent;
  border-bottom: none;
}

.article-header h1 {
  font-size: 2.2rem;
  max-width: 900px;
  margin: 0 auto 15px;
  text-align: center;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 15px;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.article-content {
  padding: 40px 0;
  background: var(--bg-primary);
}

.article-body {
  max-width: 800px;
  margin: 0 auto;
}

.article-body p {
  margin-bottom: 1.6rem;
  font-size: 1.05rem;
  color: #334155;
}

.article-body h2 {
  font-size: 1.6rem;
  margin: 2.5rem 0 1rem;
}

.article-body h3 {
  font-size: 1.3rem;
  margin: 1.5rem 0 1rem;
}

.highlight-box {
  background: var(--bg-secondary);
  border-left: 4px solid var(--accent-primary);
  padding: 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
}

/* Footer */
.footer {
  border-top: 1px solid var(--card-border);
  padding: 40px 0 20px;
  margin-top: 60px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .kb-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .kb-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .nav-menu {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .kb-grid {
    grid-template-columns: 1fr;
  }
}


/* --- 3-Column Article Layout --- */
.article-page {
    background: #f1f5f9;
}
.article-layout-container {
    max-width: 1400px;
    margin: 100px auto 40px;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr) 300px;
    gap: 30px;
    align-items: start;
}

/* Sidebars */
.sidebar-left, .sidebar-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 100px;
}

/* Widget Base */
.widget {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    border: 1px solid #e2e8f0;
}
.widget-title {
    margin: 0 0 15px 0;
    font-size: 1.1rem;
    color: #1e293b;
    border-bottom: 2px solid #f1f5f9;
    padding-bottom: 10px;
}
.widget-btn {
    display: block;
    text-align: center;
    background: #3b82f6;
    color: white;
    text-decoration: none;
    padding: 10px;
    border-radius: 8px;
    font-weight: bold;
    margin-top: 15px;
    transition: background 0.3s;
}
.widget-btn:hover { background: #2563eb; }

/* TOC Nav */
.toc-list { list-style: none; padding: 0; margin: 0; }
.toc-list li { margin-bottom: 8px; }
.toc-list a {
    color: #64748b;
    text-decoration: none;
    font-size: 0.95rem;
    display: block;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.2s;
}
.toc-list a:hover, .toc-list a.active {
    background: #f1f5f9;
    color: #3b82f6;
    font-weight: 500;
}
.toc-h3 a { padding-left: 20px; font-size: 0.85rem; }

/* Hot Articles */
.hot-list { list-style: none; padding: 0; margin: 0; }
.hot-list li { display: flex; gap: 10px; margin-bottom: 12px; font-size: 0.95rem; }
.hot-list a { color: #475569; text-decoration: none; line-height: 1.4; }
.hot-list a:hover { color: #3b82f6; }
.hot-rank {
    width: 20px;
    height: 20px;
    background: #e2e8f0;
    color: #64748b;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
    flex-shrink: 0;
}
.hot-rank.top-1 { background: #ef4444; color: white; }
.hot-rank.top-2 { background: #f59e0b; color: white; }
.hot-rank.top-3 { background: #3b82f6; color: white; }

/* Guide & Premium Widget Headers */
.guide-header, .premium-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}
.guide-icon, .premium-icon {
    font-size: 2rem;
}
.guide-sub, .premium-sub {
    font-size: 0.8rem;
    color: #64748b;
}
.guide-list, .premium-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.guide-list li { margin-bottom: 10px; }
.guide-list a { color: #475569; text-decoration: none; display: flex; align-items: center; font-size:0.95rem; }
.premium-list li { color: #475569; font-size:0.95rem; margin-bottom: 8px; display: flex; align-items: center; }

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.breadcrumbs {
    font-size: 0.9rem;
    color: #64748b;
}
.breadcrumbs a { color: #64748b; text-decoration: none; }
.breadcrumbs .current { color: #3b82f6; }

.article-box {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    border: 1px solid #e2e8f0;
}
.article-header { margin-bottom: 30px; }
.article-title {
    font-size: 2.2rem;
    color: #1e293b;
    margin: 0 0 15px 0;
    line-height: 1.4;
}
.article-meta {
    display: flex;
    gap: 15px;
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 15px;
}
.article-tags {
    display: flex;
    gap: 10px;
    align-items: center;
}
.article-tags .tag {
    background: #f1f5f9;
    color: #3b82f6;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
}
.article-intro {
    background: #f0f9ff;
    border-left: 4px solid #0ea5e9;
    padding: 20px;
    border-radius: 0 8px 8px 0;
    color: #334155;
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 30px;
}
.article-body h2 {
    color: #0284c7;
    border-bottom: 2px solid #e0f2fe;
    padding-bottom: 8px;
    margin: 2.5rem 0 1rem;
}
.article-body h3 {
    color: #1e293b;
    margin: 1.5rem 0 1rem;
}
.article-body p {
    color: #475569;
    line-height: 1.8;
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}
.article-body ul { padding-left: 1.5rem; color: #475569; line-height: 1.8; margin-bottom: 1.5rem; }

/* Right Sidebar Info Widget */
.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dashed #e2e8f0;
}
.info-item:last-child { border-bottom: none; }
.info-icon { font-size: 1.5rem; color: #cbd5e1; }
.info-label { font-size: 0.8rem; color: #94a3b8; margin-bottom: 2px; }
.info-val { font-size: 0.95rem; color: #334155; font-weight: 500; }
.share-box { margin-top: 10px; }
.share-icons { display: flex; gap: 10px; }
.share-icon {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: #f1f5f9;
    color: white;
    display: flex; align-items: center; justify-content: center;
    text-decoration: none;
    font-weight: bold;
}
.share-icon.wx { background: #10b981; }
.share-icon.tg { background: #0ea5e9; }
.share-icon.tw { background: #0f172a; }
.share-icon.cp { background: #64748b; }

/* Related Cards */
.rel-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: #f8fafc;
    border-radius: 8px;
    margin-bottom: 10px;
    text-decoration: none;
    transition: background 0.2s;
}
.rel-card:hover { background: #f1f5f9; }
.rel-icon {
    width: 40px; height: 40px;
    border-radius: 8px;
    color: white;
    display: flex; align-items: center; justify-content: center;
    font-weight: bold; font-size: 1.2rem;
}
.rel-title { color: #1e293b; font-size: 0.9rem; font-weight: 500; margin-bottom: 4px; }
.rel-read { color: #94a3b8; font-size: 0.75rem; }

@media (max-width: 1024px) {
    .article-layout-container {
        grid-template-columns: 1fr;
    }
    .sidebar-left, .sidebar-right { position: relative; top: 0; }
    .sidebar-left { order: 2; }
    .main-content { order: 1; }
    .sidebar-right { order: 3; }
}

/* --- Text Badges for Article Layout --- */
.txt-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: #475569;
    background: #f1f5f9;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
    line-height: 1;
}
.txt-badge.primary { color: #2563eb; background: #eff6ff; border-color: #bfdbfe; font-size: 0.9rem; }
.txt-badge.warning { color: #d97706; background: #fef3c7; border-color: #fde68a; font-size: 0.9rem; }

/* --- Homepage Redesign CSS --- */
/* Hero Section */
.home-hero {
  padding: 100px 20px 80px;
  background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border-color);
}
.hero-container {
  display: flex;
  gap: 60px;
  align-items: center;
}
.hero-left {
  flex: 1.2;
}
.hero-title {
  font-size: 2.8rem;
  color: #0f172a;
  line-height: 1.2;
  margin-bottom: 20px;
  font-weight: 700;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 40px;
}
.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
}
.feat-badge {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: calc(50% - 10px);
}
.badge-icon {
  font-size: 1.2rem;
  font-weight: bold;
  color: #0ea5e9;
  background: #e0f2fe;
  padding: 8px;
  border-radius: 8px;
  line-height: 1;
}
.feat-txt strong {
  display: block;
  color: #0f172a;
  margin-bottom: 4px;
}
.feat-txt {
  font-size: 0.9rem;
  color: #64748b;
}
.hero-actions {
  display: flex;
  gap: 20px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}
.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: #1e293b;
  border: 1px solid #cbd5e1;
}
.btn-outline:hover {
  background: #f8fafc;
  border-color: #94a3b8;
}
.btn-block {
  width: 100%;
}

/* Hero Right - Quick Nav */
.hero-right {
  flex: 0.8;
  display: flex;
  justify-content: center;
}
.quick-nav-panel {
  background: #ffffff;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  border: 1px solid #f1f5f9;
  width: 100%;
  max-width: 400px;
}
.panel-title {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: #0f172a;
}
.quick-nav-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  background: #f8fafc;
  border-radius: 10px;
  margin-bottom: 15px;
  text-decoration: none;
  transition: background 0.2s;
}
.quick-nav-item:last-child { margin-bottom: 0; }
.quick-nav-item:hover { background: #f1f5f9; }
.qn-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: #2563eb;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}
.qn-text strong {
  color: #1e293b;
  display: block;
  font-size: 1rem;
  margin-bottom: 2px;
}
.qn-text {
  font-size: 0.85rem;
  color: #64748b;
}

/* Stats Bar */
.home-stats {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 40px 0;
}
.stats-container {
  display: flex;
  justify-content: space-between;
}
.stat-item {
  text-align: center;
}
.stat-num {
  font-size: 2.2rem;
  font-weight: 700;
  color: #2563eb;
  margin-bottom: 5px;
}
.stat-desc {
  font-size: 1rem;
  color: #334155;
  font-weight: 600;
}
.stat-sub {
  font-size: 0.8rem;
  color: #94a3b8;
  font-weight: normal;
  display: block;
  margin-top: 5px;
}

/* Common Sections */
.home-section {
  padding: 80px 0;
}
.bg-gray {
  background: #f8fafc;
}
.bg-white {
  background: #ffffff;
}
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
}
.section-title {
  font-size: 1.8rem;
  color: #0f172a;
}
.section-link {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 500;
}
.section-link:hover { text-decoration: underline; }
.pt-0 { padding-top: 0; }

/* Airports Grid */
.airports-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}
.airport-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  border: 1px solid #e2e8f0;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.airport-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.06);
}
.ac-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.ac-rank {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: #f1f5f9;
  color: #64748b;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: bold;
}
.ac-rank.rank-1 { background: #fee2e2; color: #ef4444; }
.ac-rank.rank-2 { background: #fef3c7; color: #f59e0b; }
.ac-rank.rank-3 { background: #ffedd5; color: #f97316; }
.ac-tag { font-size: 0.8rem; font-weight: bold; }
.tag-hot { color: #ef4444; }
.tag-stable { color: #059669; }
.tag-value { color: #d97706; }
.tag-new { color: #2563eb; }
.tag-pro { color: #4f46e5; }
.ac-logo-text {
  width: 80px; height: 80px;
  border-radius: 20px;
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; font-weight: 800; color: #ffffff;
}
.bg-blue { background: #2563eb; }
.bg-teal { background: #0d9488; }
.bg-purple { background: #7c3aed; }
.bg-dark { background: #1e293b; }
.bg-green { background: #16a34a; }
.bg-sky { background: #0284c7; }
.ac-name { font-size: 1.4rem; color: #0f172a; margin-bottom: 8px; }
.ac-sub { font-size: 0.9rem; color: #64748b; margin-bottom: 20px; }
.ac-meta {
  display: flex; justify-content: center; gap: 15px; margin-bottom: 25px;
  font-size: 0.9rem; font-weight: 500;
}
.ac-score { color: #f59e0b; }
.ac-ping { color: #10b981; }

/* Tutorials Grid */
.tutorials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.tut-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 25px;
  border: 1px solid #e2e8f0;
  text-align: center;
}
.tut-icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 800; color: #ffffff;
}
.bg-win { background: #0284c7; }
.bg-ios { background: #475569; }
.bg-and { background: #16a34a; }
.bg-mac { background: #0ea5e9; }
.tut-title { font-size: 1.1rem; color: #0f172a; margin-bottom: 8px; }
.tut-sub { font-size: 0.85rem; color: #64748b; margin-bottom: 20px; height: 40px; }

/* Bottom Columns */
.bottom-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.b-col {
  background: transparent;
}
.b-header {
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 12px; margin-bottom: 20px;
}
.b-title { font-size: 1.1rem; color: #0f172a; }
.b-link { font-size: 0.85rem; color: #64748b; text-decoration: none; }
.b-list { list-style: none; }
.b-list li { display: flex; align-items: center; gap: 10px; margin-bottom: 15px; font-size: 0.95rem; }
.b-list a { color: #334155; text-decoration: none; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.b-list a:hover { color: #2563eb; }
.b-rank { width: 20px; height: 20px; border-radius: 4px; background: #e2e8f0; color: #64748b; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: bold; flex-shrink: 0; }
.b-list .rank-1 { background: #ef4444; color: white; }
.b-list .rank-2 { background: #f59e0b; color: white; }
.b-list .rank-3 { background: #3b82f6; color: white; }
.b-badge { font-size: 0.75rem; font-weight: bold; color: #ef4444; }
.b-badge-text { font-size: 0.8rem; font-weight: bold; color: #3b82f6; background: #eff6ff; padding: 2px 6px; border-radius: 4px; }
.b-date { font-size: 0.8rem; color: #94a3b8; }
.premium-col { padding: 30px; border-radius: 12px; }
.box-shadow { box-shadow: 0 4px 20px rgba(0,0,0,0.04); border: 1px solid #f1f5f9; }
.premium-header { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.p-icon { font-size: 1.2rem; font-weight: bold; color: #f59e0b; }
.p-features { list-style: none; }
.p-features li { color: #475569; margin-bottom: 12px; font-size: 0.95rem; }
.p-features span { color: #3b82f6; font-weight: bold; margin-right: 8px; }

/* Tags Cloud */
.tags-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-pill {
  padding: 6px 14px;
  background: #f1f5f9;
  color: #475569;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.2s ease;
  border: 1px solid #e2e8f0;
}
.tag-pill:hover {
  background: #eff6ff;
  color: #2563eb;
  border-color: #3b82f6;
  transform: translateY(-1px);
}

/* Text Logo */
.txt-logo-badge {
  background: #2563eb;
  color: white;
  font-weight: bold;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 1.1rem;
}

@media (max-width: 1024px) {
  .hero-container { flex-direction: column; text-align: center; }
  .hero-features { justify-content: center; }
  .hero-actions { justify-content: center; }
  .airports-grid { grid-template-columns: repeat(2, 1fr); }
  .tutorials-grid { grid-template-columns: repeat(2, 1fr); }
  .bottom-cols { grid-template-columns: 1fr; }
  .stats-container { flex-wrap: wrap; justify-content: center; gap: 30px; }
}
@media (max-width: 768px) {
  .airports-grid { grid-template-columns: 1fr; }
  .tutorials-grid { grid-template-columns: 1fr; }
  .feat-badge { width: 100%; text-align: left; }
}


/* ==========================================================================
   云轨导航 1:1 复刻首页样式 (V2 - 纯原生 CSS)
   ========================================================================== */

/* 主背景渐变效果 */
.home-v2-body {
  background: radial-gradient(circle at 50% 0%, #edf4fe 0%, #f4f7fb 50%, #f4f7fb 100%);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* 宽容器 */
.home-v2-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* 背景科技感光晕 */
.home-v2-glow-1 {
  position: absolute;
  top: 5%;
  left: 5%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, rgba(37, 99, 235, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.home-v2-glow-2 {
  position: absolute;
  top: 15%;
  right: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(8, 145, 178, 0.06) 0%, rgba(8, 145, 178, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.home-v2-glow-3 {
  position: absolute;
  top: 45%;
  left: 20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.04) 0%, rgba(124, 58, 237, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* 布局与板块通用 */
.home-v2-section {
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

/* Hero Section */
.home-v2-hero {
  margin-top: var(--header-height);
  padding: 80px 0 50px;
}
.home-v2-hero-container {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 30px;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Quick Tag Pills in Hero Left */
.home-v2-quick-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}
.home-v2-tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background-color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #475569;
  text-decoration: none;
  transition: all 0.2s ease;
}
.home-v2-tag-item:hover {
  background-color: #eff6ff;
  border-color: #3b82f6;
  color: #2563eb;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
}

/* Client Download Row in Hero Left */
.home-v2-clients-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px dashed #e2e8f0;
}
.home-v2-clients-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #64748b;
  display: flex;
  align-items: center;
  gap: 6px;
}
.home-v2-clients-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.home-v2-client-lnk {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #334155;
  text-decoration: none;
  transition: color 0.2s ease;
}
.home-v2-client-lnk:hover {
  color: #2563eb;
}
.home-v2-client-lnk svg {
  color: #94a3b8;
  transition: color 0.2s ease;
}
.home-v2-client-lnk:hover svg {
  color: #2563eb;
}

.home-v2-hero-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.home-v2-hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.25;
  color: #0f172a;
  letter-spacing: -0.5px;
}

.home-v2-hero-subtitle {
  font-size: 1.05rem;
  color: #475569;
  line-height: 1.6;
  max-width: 95%;
}

/* Hero Features 2x2 Grid */
.home-v2-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 10px;
}

.home-v2-feature-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.home-v2-feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.home-v2-icon-stable {
  background-color: #eff6ff;
  color: #2563eb;
}
.home-v2-icon-speed {
  background-color: #ecfeff;
  color: #0891b2;
}
.home-v2-icon-privacy {
  background-color: #faf5ff;
  color: #7c3aed;
}
.home-v2-icon-update {
  background-color: #f0fdf4;
  color: #16a34a;
}

.home-v2-feature-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.home-v2-feature-name {
  font-weight: 700;
  font-size: 1rem;
  color: #0f172a;
}

.home-v2-feature-desc {
  font-size: 0.85rem;
  color: #64748b;
}

/* Hero Actions */
.home-v2-hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 15px;
}

.home-v2-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}

.home-v2-btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.home-v2-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.home-v2-btn-secondary {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  color: #475569;
}

.home-v2-btn-secondary:hover {
  background-color: #f8fafc;
  color: #0f172a;
  transform: translateY(-2px);
}

/* Hero Right: 快速导航 + 3D Earth Illustration */
.home-v2-hero-right {
  display: grid;
  grid-template-columns: 1fr 1fr 0.8fr;
  gap: 20px;
  background-color: #ffffff;
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(226, 232, 240, 0.8);
  position: relative;
  align-items: center;
  z-index: 2;
}

.home-v2-qn-icon-5 { background-color: #fef3c7; color: #d97706; }
.home-v2-qn-icon-6 { background-color: #ecfeff; color: #0891b2; }
.home-v2-qn-icon-7 { background-color: #fef2f2; color: #dc2626; }
.home-v2-qn-icon-8 { background-color: #f0fdf4; color: #16a34a; }

.home-v2-quick-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.home-v2-quick-nav-header {
  font-size: 1.1rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 6px;
}

.home-v2-qn-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  transition: all 0.2s ease;
  background: #f8fafc;
  text-decoration: none;
}

.home-v2-qn-card:hover {
  background-color: #eff6ff;
  transform: translateX(4px);
}

.home-v2-qn-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.home-v2-qn-icon-1 { background-color: #e0f2fe; color: #0369a1; }
.home-v2-qn-icon-2 { background-color: #eff6ff; color: #2563eb; }
.home-v2-qn-icon-3 { background-color: #eff6ff; color: #3b82f6; }
.home-v2-qn-icon-4 { background-color: #ecfeff; color: #0891b2; }

.home-v2-qn-info {
  display: flex;
  flex-direction: column;
}

.home-v2-qn-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: #0f172a;
}

.home-v2-qn-desc {
  font-size: 0.75rem;
  color: #64748b;
}

.home-v2-illustration-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.home-v2-globe-img {
  width: 100%;
  max-width: 220px;
  height: auto;
  object-fit: contain;
  animation: floatGlobe 6s ease-in-out infinite;
}

@keyframes floatGlobe {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Stats Bar */
.home-v2-stats-section {
  padding: 20px 0;
}

.home-v2-stats-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background-color: #ffffff;
  border-radius: 20px;
  padding: 20px 10px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.02);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.home-v2-stat-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border-right: 1px solid #f1f5f9;
  padding: 10px 15px;
}

.home-v2-stat-item:last-child {
  border-right: none;
}

.home-v2-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #eff6ff;
  color: #2563eb;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.home-v2-stat-info {
  display: flex;
  flex-direction: column;
}

.home-v2-stat-num {
  font-size: 1.45rem;
  font-weight: 800;
  color: #2563eb;
  line-height: 1.2;
}

.home-v2-stat-label {
  font-weight: 700;
  font-size: 0.85rem;
  color: #0f172a;
}

.home-v2-stat-desc {
  font-size: 0.75rem;
  color: #64748b;
  line-height: 1.3;
}

/* Section Header (Generic) */
.home-v2-sec-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
}

.home-v2-sec-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
}

.home-v2-sec-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: #2563eb;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: transform 0.2s ease;
  text-decoration: none;
}

.home-v2-sec-link:hover {
  transform: translateX(4px);
}

/* 热门机场推荐 6宫格 */
.home-v2-airports-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.home-v2-airport-card {
  background-color: #ffffff;
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.01);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.home-v2-airport-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 25px rgba(15, 23, 42, 0.06);
  border-color: rgba(37, 99, 235, 0.15);
}

.home-v2-card-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  position: absolute;
  top: 16px;
  left: 0;
  padding: 0 20px;
}

.home-v2-card-rank {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: #f1f5f9;
  color: #64748b;
  font-weight: 800;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-v2-card-rank-1 { background-color: #fef3c7; color: #d97706; }
.home-v2-card-rank-2 { background-color: #f1f5f9; color: #475569; }
.home-v2-card-rank-3 { background-color: #ffedd5; color: #ea580c; }

.home-v2-card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 9999px;
}

.home-v2-tag-hot { background-color: #fff7ed; color: #ea580c; }
.home-v2-tag-stable { background-color: #ecfeff; color: #0891b2; }
.home-v2-tag-value { background-color: #fffbeb; color: #d97706; }
.home-v2-tag-new { background-color: #eff6ff; color: #2563eb; }
.home-v2-tag-bandwidth { background-color: #f0fdf4; color: #16a34a; }
.home-v2-tag-light { background-color: #e0f2fe; color: #0369a1; }

.home-v2-airport-logo {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 15px;
  margin-bottom: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
}

.home-v2-ap-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 4px;
}

.home-v2-ap-desc {
  font-size: 0.8rem;
  color: #64748b;
  margin-bottom: 14px;
}

.home-v2-ap-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
  font-size: 0.8rem;
}

.home-v2-meta-score {
  font-weight: 700;
  color: #ea580c;
  display: flex;
  align-items: center;
  gap: 2px;
}

.home-v2-meta-ping {
  color: #64748b;
  background-color: #f8fafc;
  padding: 2px 8px;
  border-radius: 6px;
}

.home-v2-btn-card-action {
  width: 100%;
  padding: 8px 16px;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.85rem;
  color: #475569;
  border: 1px solid #e2e8f0;
  background-color: #ffffff;
  transition: all 0.2s ease;
  display: block;
  text-decoration: none;
}

.home-v2-airport-card:hover .home-v2-btn-card-action {
  background-color: #2563eb;
  color: #ffffff !important;
  border-color: #2563eb;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

/* 科学上网教程 4宫格 */
.home-v2-tutorials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.home-v2-tut-card {
  background-color: #ffffff;
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.01);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.home-v2-tut-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}

.home-v2-tut-main {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.home-v2-tut-brand-logo {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.home-v2-tut-text {
  display: flex;
  flex-direction: column;
}

.home-v2-tut-title {
  font-weight: 800;
  font-size: 1rem;
  color: #0f172a;
}

.home-v2-tut-desc {
  font-size: 0.75rem;
  color: #64748b;
  line-height: 1.3;
}

.home-v2-btn-tut-action {
  width: 100%;
  padding: 8px 16px;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.85rem;
  background-color: #2563eb;
  color: #ffffff !important;
  border: none;
  text-align: center;
  transition: all 0.2s ease;
  text-decoration: none;
  display: block;
}

.home-v2-btn-tut-action:hover {
  background-color: #1d4ed8;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

/* 底部三栏信息流 */
.home-v2-cols-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.home-v2-col-card {
  display: flex;
  flex-direction: column;
}

.home-v2-col-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid #f1f5f9;
}

.home-v2-col-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #0f172a;
}

.home-v2-col-more {
  font-size: 0.75rem;
  font-weight: 600;
  color: #64748b;
  display: flex;
  align-items: center;
  gap: 2px;
  text-decoration: none;
}

.home-v2-col-more:hover {
  color: #2563eb;
}

.home-v2-articles-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.home-v2-art-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.home-v2-art-rank {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: #64748b;
  background-color: #f1f5f9;
  flex-shrink: 0;
}

.home-v2-art-rank-1 { background-color: #ef4444; color: #ffffff; }
.home-v2-art-rank-2 { background-color: #1e293b; color: #ffffff; }
.home-v2-art-rank-3 { background-color: #3b82f6; color: #ffffff; }

.home-v2-art-thumb {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.home-v2-art-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #334155;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  text-decoration: none;
}

.home-v2-art-title:hover {
  color: #2563eb;
}

.home-v2-art-badge-hot {
  font-size: 0.7rem;
  color: #ef4444;
  background-color: #fef2f2;
  padding: 1px 5px;
  border-radius: 4px;
  font-weight: 700;
  margin-left: 6px;
}

/* 最新更新列表 */
.home-v2-update-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.home-v2-update-rank {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background-color: #eff6ff;
  color: #2563eb;
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.home-v2-update-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #334155;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  text-decoration: none;
}

.home-v2-update-title:hover {
  color: #2563eb;
}

.home-v2-update-date {
  font-size: 0.75rem;
  color: #94a3b8;
  flex-shrink: 0;
}

/* Card styles for Column 1 & 2 */
.home-v2-info-card {
  background-color: #ffffff;
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.02);
}

/* Premium Card (优质机场推荐) */
.home-v2-premium-card {
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
  border-radius: 20px;
  padding: 24px;
  color: #1e293b;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 240px;
  border: 1px solid rgba(37, 99, 235, 0.12);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.03);
}

.home-v2-prem-content {
  position: relative;
  z-index: 2;
}

.home-v2-prem-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.home-v2-prem-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0f172a;
}

.home-v2-prem-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.home-v2-prem-li {
  font-size: 0.8rem;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.home-v2-prem-li svg {
  color: #3b82f6;
  flex-shrink: 0;
}

.home-v2-btn-prem-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  padding: 10px 24px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.85rem;
  transition: all 0.2s ease;
  z-index: 2;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.home-v2-btn-prem-action:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}

.home-v2-rocket-img {
  position: absolute;
  bottom: -10px;
  right: -10px;
  width: 130px;
  height: auto;
  object-fit: contain;
  z-index: 1;
  pointer-events: none;
  animation: floatRocket 4s ease-in-out infinite;
}

@keyframes floatRocket {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-6px) rotate(2deg); }
}

/* Responsive Styles for V2 */
@media (max-width: 1024px) {
  .home-v2-hero-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .home-v2-hero-right {
    max-width: 600px;
    margin: 0 auto;
    grid-template-columns: 1.15fr 0.85fr;
  }
  .home-v2-stats-container {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
  .home-v2-stat-item {
    border-right: none;
  }
  .home-v2-airports-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .home-v2-tutorials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .home-v2-cols-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .home-v2-stats-container {
    grid-template-columns: 1fr 1fr;
  }
  .home-v2-airports-grid {
    grid-template-columns: 1fr;
  }
  .home-v2-tutorials-grid {
    grid-template-columns: 1fr;
  }
  .home-v2-hero-right {
    grid-template-columns: 1fr;
    padding: 20px;
  }
  .home-v2-globe-img {
    max-width: 165px;
    margin-top: 15px;
  }
}

/* Centralized Pricing Card Section Styles */
.pricing-sec-container {
  margin: 40px 0;
  font-family: system-ui, -apple-system, sans-serif;
}
.pricing-tabs-row {
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  margin-bottom: 30px;
}
.pricing-tab-btn {
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #475569;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.pricing-tab-btn:hover {
  background: #f1f5f9;
  color: #0f172a;
  border-color: #cbd5e1;
}
.pricing-tab-btn.active {
  background: #0d9488;
  color: #ffffff;
  border-color: #0d9488;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}
.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.pricing-card-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.pricing-card-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 28px -6px rgba(13, 148, 136, 0.18);
  border-color: #0d9488;
}
.pricing-card-header {
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 16px;
}
.pricing-card-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #1e293b;
  margin: 0;
}
.pricing-card-price-box {
  text-align: right;
}
.pricing-card-price {
  font-size: 1.8rem;
  font-weight: 900;
  color: #0f172a;
}
.pricing-card-unit {
  font-size: 0.85rem;
  color: #64748b;
  font-weight: normal;
}
.pricing-card-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
  flex-grow: 1;
}
.pricing-card-feature-li {
  font-size: 0.92rem;
  color: #475569;
  margin-bottom: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.45;
}
.pricing-card-feature-li svg {
  color: #0d9488;
  flex-shrink: 0;
  margin-top: 3px;
  width: 16px;
  height: 16px;
}
.pricing-card-btn {
  display: block;
  text-align: center;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  color: #0d9488;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s ease;
}
.pricing-card-btn:hover {
  background: #0d9488;
  color: #ffffff;
  border-color: #0d9488;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}

/* Premium Airport Recommendation Styles */
.prem-tabs-container {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
}
.prem-tabs-container::-webkit-scrollbar {
  display: none; /* Safari and Chrome */
}
.prem-tab {
  font-size: 1.05rem;
  font-weight: 700;
  color: #64748b;
  padding-bottom: 12px;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.prem-tab:hover {
  color: #0f172a;
}
.prem-tab.active {
  color: #2563eb;
}
.prem-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: #2563eb;
  border-radius: 999px;
}
.prem-recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1024px) {
  .prem-recommend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .prem-recommend-grid {
    grid-template-columns: 1fr;
  }
}
.premium-recommend-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.premium-recommend-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 28px -6px rgba(15, 23, 42, 0.08);
  border-color: #cbd5e1;
}
.prem-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.prem-card-no {
  font-size: 0.85rem;
  color: #94a3b8;
  font-weight: 700;
}
.prem-card-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 9999px;
}
.prem-tag-hot { background-color: #fff7ed; color: #ea580c; }
.prem-tag-stable { background-color: #f0fdfa; color: #0d9488; }
.prem-tag-value { background-color: #fffbeb; color: #d97706; }
.prem-tag-new { background-color: #eff6ff; color: #2563eb; }
.prem-tag-bandwidth { background-color: #f0fdf4; color: #16a34a; }
.prem-tag-light { background-color: #e0f2fe; color: #0369a1; }

.prem-card-info-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}
.prem-card-logo {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  border: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}
.prem-card-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.prem-card-info-meta {
  display: flex;
  flex-direction: column;
}
.prem-card-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 2px 0;
}
.prem-card-price-label {
  font-size: 0.8rem;
  color: #64748b;
  margin: 0;
}
.prem-card-score-box {
  text-align: right;
}
.prem-card-score-val {
  font-size: 1.45rem;
  font-weight: 900;
  color: #f97316;
  line-height: 1;
}
.prem-card-score-label {
  font-size: 0.72rem;
  font-weight: 600;
  margin-top: 2px;
  color: #10b981;
}
.prem-card-pills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.prem-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  background-color: #eff6ff;
  color: #2563eb;
}
.prem-pill-cyan {
  background-color: #ecfeff;
  color: #0891b2;
}
.prem-card-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
  border-top: 1px solid #f1f5f9;
  border-bottom: 1px solid #f1f5f9;
  padding: 12px 0;
}
.prem-feature-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: #475569;
}
.prem-feat-icon {
  width: 14px;
  height: 14px;
  color: #2563eb;
  flex-shrink: 0;
}
.prem-card-review {
  font-size: 0.8rem;
  color: #475569;
  line-height: 1.5;
  margin: 0 0 20px 0;
  flex-grow: 1;
}
.prem-card-btns-row {
  display: grid;
  grid-template-columns: 1fr 80px;
  gap: 10px;
}
.prem-btn-review {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #2563eb;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  height: 38px;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
}
.prem-btn-review:hover {
  background-color: #1d4ed8;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  color: #ffffff !important;
}
.prem-btn-site {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  color: #475569;
  border: 1px solid #e2e8f0;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  height: 38px;
  transition: all 0.2s ease;
}
.prem-btn-site:hover {
  background-color: #f8fafc;
  color: #0f172a !important;
  border-color: #cbd5e1;
}

/* --- SEO Category Navigation & FAQ Layout --- */
.category-nav-section {
  padding: 60px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.category-nav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 30px;
}
.category-nav-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.category-nav-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-secondary);
  box-shadow: 0 4px 20px rgba(58, 123, 213, 0.15);
}
.category-icon {
  font-size: 2.2rem;
}
.category-title {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1.1rem;
}
.category-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* FAQ Section */
.faq-section {
  padding: 80px 0;
  background: var(--bg-primary);
}
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 900px;
  margin: 40px auto 0;
}
.faq-item {
  border-bottom: 1px solid #eef2f7;
  background: transparent;
  transition: all var(--transition-fast);
}
.faq-item:last-child {
  border-bottom: 0;
}
.faq-question {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--text-secondary);
  transition: transform var(--transition-fast);
}
.faq-item.active .faq-question::after {
  content: '−';
}
.faq-answer {
  max-height: none;
  overflow: visible;
  padding: 0 24px 18px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}
.faq-item[open] .faq-answer,
.faq-item.active .faq-answer {
  max-height: none;
  overflow: visible;
}

@media (max-width: 1024px) {
  .category-nav-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 768px) {
  .category-nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .category-nav-grid {
    grid-template-columns: 1fr;
  }
}

/* FAQ V2 New Template styles */
.faq-v2-layout {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 30px;
  align-items: start;
  margin-top: 30px;
}

.faq-v2-questions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-v2-item {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-v2-item[open] {
  border-color: #2563eb;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.05);
}

.faq-v2-item:hover {
  border-color: #cbd5e1;
}

.faq-v2-item[open]:hover {
  border-color: #2563eb;
}

.faq-v2-q {
  padding: 16px 20px;
  font-weight: 700;
  font-size: 1.05rem;
  color: #1e293b;
  cursor: pointer;
  display: flex;
  align-items: center;
  list-style: none;
  position: relative;
  user-select: none;
}

.faq-v2-q::-webkit-details-marker {
  display: none;
}

.faq-v2-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #2563eb;
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 800;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  margin-right: 12px;
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.faq-v2-q::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 2px solid #64748b;
  border-bottom: 2px solid #64748b;
  transform: rotate(45deg);
  margin-left: auto;
  transition: transform 0.3s ease;
  margin-right: 4px;
}

.faq-v2-item[open] .faq-v2-q::after {
  transform: rotate(-135deg);
}

.faq-v2-a {
  padding: 0 20px 20px 56px;
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.6;
  border-top: 1px dashed transparent;
  transition: all 0.3s ease;
}

.faq-v2-item[open] .faq-v2-a {
  border-top-color: #f1f5f9;
  padding-top: 12px;
}

.faq-v2-deco {
  background: linear-gradient(135deg, #f0f7ff 0%, #e0f2fe 100%);
  border: 1px solid #bae6fd;
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 100px;
  min-height: 380px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
  overflow: hidden;
}

.faq-v2-bubble {
  position: relative;
  width: 140px;
  height: 140px;
  background: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.1), inset 0 -4px 8px rgba(0, 0, 0, 0.05);
  margin-bottom: 30px;
  animation: faqFloat 6s ease-in-out infinite;
}

@keyframes faqFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}

.faq-v2-qmark {
  font-size: 5rem;
  font-weight: 900;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.faq-v2-dots {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
}

.faq-v2-dots span {
  position: absolute;
  border-radius: 50%;
  background: #3b82f6;
  opacity: 0.15;
}

.faq-v2-dots span:nth-child(1) {
  width: 14px;
  height: 14px;
  top: 15%;
  left: 10%;
  animation: faqPulse 4s infinite alternate;
}

.faq-v2-dots span:nth-child(2) {
  width: 10px;
  height: 10px;
  bottom: 20%;
  right: 12%;
  animation: faqPulse 3s infinite alternate-reverse 1s;
}

.faq-v2-dots span:nth-child(3) {
  width: 8px;
  height: 8px;
  bottom: 15%;
  left: 20%;
  animation: faqPulse 5s infinite alternate;
}

@keyframes faqPulse {
  0% { transform: scale(0.8); opacity: 0.1; }
  100% { transform: scale(1.3); opacity: 0.25; }
}

.faq-v2-deco-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 8px;
}

.faq-v2-deco-sub {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 25px;
  line-height: 1.5;
}

.faq-v2-deco-link {
  display: inline-block;
  background: #2563eb;
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  transition: all 0.3s ease;
}

.faq-v2-deco-link:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

@media (max-width: 991px) {
  .faq-v2-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .faq-v2-deco {
    position: static;
    min-height: auto;
    padding: 30px;
  }
}

/* New Category Badges and Layout styling */
.category-nav-card {
  position: relative;
  overflow: visible !important;
}

.cat-badge {
  position: absolute;
  top: -10px;
  left: 15px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  color: #ffffff;
  z-index: 10;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.badge-blue { background: #3b82f6; }
.badge-orange { background: #f97316; }
.badge-purple { background: #a855f7; }
.badge-green { background: #10b981; }
.badge-indigo { background: #6366f1; }

.category-icon-wrapper {
  margin-bottom: 8px;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  color: #64748b;
  transition: all 0.3s ease;
}

.category-nav-card:hover .category-icon-wrapper {
  background: #eff6ff;
  color: #3b82f6;
}

.category-action {
  font-size: 0.85rem;
  font-weight: 700;
  color: #3b82f6;
  margin-top: 8px;
  transition: color 0.2s ease;
}

.category-nav-card:hover .category-action {
  color: #1d4ed8;
}

/* Latest News / Announcements Grid Styles */
.home-v2-news-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #e2e8f0;
  align-items: center;
}

.home-v2-news-item:last-child {
  border-bottom: none;
}

.home-v2-news-thumb {
  width: 90px;
  height: 60px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.home-v2-news-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.home-v2-news-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.home-v2-news-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: #3b82f6;
  background: #eff6ff;
  padding: 2px 6px;
  border-radius: 4px;
}

.home-v2-news-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1e293b;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.home-v2-news-title:hover {
  color: #2563eb;
}

.home-v2-news-date {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 4px;
}

/* Notices Styles */
.home-v2-notice-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px dashed #e2e8f0;
}

.home-v2-notice-item:last-child {
  border-bottom: none;
}

.home-v2-notice-link {
  font-size: 0.95rem;
  color: #334155;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-right: 10px;
  position: relative;
  padding-left: 12px;
}

.home-v2-notice-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #3b82f6;
}

.home-v2-notice-link:hover {
  color: #2563eb;
}

.home-v2-notice-date {
  font-size: 0.85rem;
  color: #94a3b8;
  flex-shrink: 0;
}

/* Bottom Stats Bar CSS matching screenshot */
.bottom-stats-section {
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
  padding: 50px 0;
  margin-top: 40px;
}

.bottom-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.bottom-stat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #ffffff;
  padding: 24px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
}

.bottom-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
}

.bottom-stat-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #eff6ff;
  color: #2563eb;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bottom-stat-info {
  display: flex;
  flex-direction: column;
}

.bottom-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.2;
}

.bottom-stat-label {
  font-size: 0.9rem;
  color: #64748b;
  margin-top: 4px;
}

@media (max-width: 991px) {
  .bottom-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .bottom-stats-grid {
    grid-template-columns: 1fr;
  }
}

/* FAQ V3 & Warning Grid Styles */
.faq-warning-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 30px;
  align-items: start;
}

@media (max-width: 991px) {
  .faq-warning-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.faq-v3-block {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}

.faq-v3-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1.5px solid #f1f5f9;
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.faq-v3-tabs {
  display: flex;
  gap: 8px;
}

.faq-v3-tab {
  font-size: 0.85rem;
  font-weight: 600;
  color: #64748b;
  padding: 6px 16px;
  border-radius: 9999px;
  cursor: pointer;
  background: #f8fafc;
  transition: all 0.2s ease;
}

.faq-v3-tab.active {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

.faq-v3-tab:hover:not(.active) {
  background: #f1f5f9;
  color: #0f172a;
}

.faq-v3-total {
  font-size: 0.85rem;
  color: #94a3b8;
}

.faq-v3-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 768px) {
  .faq-v3-grid {
    grid-template-columns: 1fr;
  }
}

.faq-v3-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
}

.faq-v3-item[open] {
  border-color: #2563eb;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.05);
}

.faq-v3-item:hover {
  border-color: #cbd5e1;
}

.faq-v3-item[open]:hover {
  border-color: #2563eb;
}

.faq-v3-q-box {
  padding: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  position: relative;
  user-select: none;
  text-align: left;
}

.faq-v3-q-box::-webkit-details-marker {
  display: none;
}

.faq-v3-q-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.faq-v3-num {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: #eff6ff;
  color: #3b82f6;
  font-size: 0.85rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.faq-v3-item[open] .faq-v3-num {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25);
}

.faq-v3-q-text {
  display: flex;
  flex-direction: column;
}

.faq-v3-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1e293b;
}

.faq-v3-desc {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 2px;
}

.faq-v3-arrow {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 2px solid #94a3b8;
  border-bottom: 2px solid #94a3b8;
  transform: rotate(45deg);
  transition: transform 0.3s ease;
  margin-left: 10px;
}

.faq-v3-item[open] .faq-v3-arrow {
  transform: rotate(-135deg);
  border-color: #2563eb;
}

.faq-v3-answer {
  padding: 0 16px 16px 56px;
  color: #475569;
  font-size: 0.85rem;
  line-height: 1.6;
  border-top: 1px dashed transparent;
  transition: all 0.3s ease;
  text-align: left;
}

.faq-v3-item[open] .faq-v3-answer {
  border-top-color: #f1f5f9;
  padding-top: 12px;
}

.faq-v3-footer {
  text-align: center;
  margin-top: 24px;
}

.faq-v3-more-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: #2563eb;
  transition: color 0.2s ease;
}

.faq-v3-more-link:hover {
  color: #1d4ed8;
}

/* Anti-scam Warning Card Styles */
.scam-warn-card {
  background: #fff5f5;
  border: 1px solid #fee2e2;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.01);
  display: flex;
  flex-direction: column;
}

.scam-warn-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1.5px solid #fecaca;
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.scam-warn-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #991b1b;
  display: flex;
  align-items: center;
  gap: 8px;
}

.scam-warn-icon {
  color: #dc2626;
}

.scam-warn-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: #dc2626;
}

.scam-warn-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.scam-warn-item {
  background: #ffffff;
  border: 1px solid #fee2e2;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 2px 4px rgba(220, 38, 38, 0.02);
  text-align: left;
}

.scam-warn-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.scam-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  color: #ffffff;
}

.badge-high-risk { background: #dc2626; }
.badge-fraud { background: #ea580c; }
.badge-caution { background: #ca8a04; }

.scam-warn-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1e293b;
}

.scam-warn-desc {
  font-size: 0.8rem;
  color: #475569;
  line-height: 1.5;
  margin-bottom: 8px;
}

.scam-warn-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #94a3b8;
}

.scam-warn-hot {
  font-weight: 700;
  color: #ea580c;
}

.scam-warn-btn {
  display: block;
  text-align: center;
  background: #dc2626;
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.2);
  transition: all 0.3s ease;
}

.scam-warn-btn:hover {
  background: #b91c1c;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(220, 38, 38, 0.3);
}

/* Middle Grid & Three Columns Styles */
.middle-three-cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1.6fr;
  gap: 30px;
}

@media (max-width: 991px) {
  .middle-three-cols {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.middle-col-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
  display: flex;
  flex-direction: column;
}

.middle-col-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.middle-col-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #0f172a;
}

.middle-col-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: #2563eb;
}

/* Top 5 list styles */
.top5-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.top5-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  transition: transform 0.2s ease;
}

.top5-item:hover {
  transform: translateX(4px);
}

.top5-rank {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.rank-1 { background: linear-gradient(135deg, #ff6b6b, #ff8787); }
.rank-2 { background: linear-gradient(135deg, #f0932b, #ffbe76); }
.rank-3 { background: linear-gradient(135deg, #eb4d4b, #ff7979); }
.rank-4 { background: #94a3b8; }
.rank-5 { background: #cbd5e1; }

.top5-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: #334155;
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
}

.top5-item:hover .top5-text {
  color: #2563eb;
}

.top5-views {
  font-size: 0.75rem;
  color: #94a3b8;
  white-space: nowrap;
}

.top5-footer {
  text-align: center;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
}

.top5-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: #64748b;
}

/* Newbie Guide Card styles (blue gradient) */
.newbie-guide-card {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff !important;
  border: none;
  padding: 28px 24px;
}

.newbie-guide-header {
  margin-bottom: 20px;
  text-align: left;
}

.newbie-guide-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff !important;
}

.newbie-guide-subtitle {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 4px;
}

.newbie-guide-body {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.newbie-learn-btn {
  background: #ffffff;
  color: #2563eb !important;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
}

.newbie-learn-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.newbie-rocket-box {
  color: rgba(255, 255, 255, 0.2);
}

.newbie-rocket {
  animation: floatRocket 4s infinite ease-in-out;
}

@keyframes floatRocket {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(5px, -5px) rotate(2deg); }
}

.newbie-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}

.newbie-link-item {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9) !important;
  transition: color 0.2s ease;
}

.newbie-link-item:hover {
  color: #ffffff !important;
  text-decoration: underline;
}

/* Recommended Tutorials grid (2x2 style cards) */
.tuts-rec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  flex-grow: 1;
}

@media (max-width: 480px) {
  .tuts-rec-grid {
    grid-template-columns: 1fr;
  }
}

.tut-rec-item {
  display: flex;
  flex-direction: column;
  border: 1px solid #f1f5f9;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  background: #ffffff;
}

.tut-rec-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.05);
  border-color: #cbd5e1;
}

.tut-rec-bg {
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.bg-gradient-purple { background: linear-gradient(135deg, #a855f7, #6366f1); }
.bg-gradient-blue { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.bg-gradient-orange { background: linear-gradient(135deg, #f97316, #ec4899); }
.bg-gradient-teal { background: linear-gradient(135deg, #0d9488, #10b981); }

.tut-rec-icon {
  font-size: 2.2rem;
  opacity: 0.95;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.tut-rec-content {
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
  text-align: left;
}

.tut-rec-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #1e293b;
  line-height: 1.4;
  height: 38px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.tut-rec-item:hover .tut-rec-title {
  color: #2563eb;
}

.tut-rec-stats {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 8px;
}

/* Feature Badges Row styles */
.badges-row-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

@media (max-width: 991px) {
  .badges-row-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .badges-row-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.badge-row-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  text-align: left;
}

.badge-row-icon {
  color: #2563eb;
  background: #eff6ff;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.badge-row-info {
  display: flex;
  flex-direction: column;
}

.badge-row-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #0f172a;
}

.badge-row-desc {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 2px;
  line-height: 1.3;
}

/* Bottom CTA Banner Styles */
.bottom-cta-banner-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 5;
}

@media (max-width: 768px) {
  .bottom-cta-banner-grid {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
}

.bottom-cta-left {
  max-width: 60%;
  text-align: left;
}

@media (max-width: 768px) {
  .bottom-cta-left {
    max-width: 100%;
    text-align: center;
  }
}

.bottom-cta-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff !important;
}

.bottom-cta-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 8px;
}

.bottom-cta-right {
  display: flex;
  gap: 16px;
  align-items: center;
}

@media (max-width: 480px) {
  .bottom-cta-right {
    flex-direction: column;
    width: 100%;
  }
}

.bottom-cta-btn {
  display: inline-block;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: 8px;
  transition: all 0.2s ease;
  text-align: center;
}

@media (max-width: 480px) {
  .bottom-cta-btn {
    width: 100%;
  }
}

.bottom-cta-btn.btn-primary {
  background: #ffffff;
  color: #2563eb !important;
}

.bottom-cta-btn.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.bottom-cta-btn.btn-secondary {
  background: transparent;
  color: #ffffff !important;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.bottom-cta-btn.btn-secondary:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

/* Premium Comments Section Styling */
.comments-section-container {
  max-width: 900px;
  margin: 50px auto;
  padding: 40px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.02);
}
.comments-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #f1f5f9;
  padding-bottom: 20px;
  margin-bottom: 30px;
}
.comments-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}
.comments-count-badge {
  font-size: 0.85rem;
  font-weight: 700;
  background-color: #eff6ff;
  color: #2563eb;
  padding: 4px 10px;
  border-radius: 12px;
}
.comment-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
  background-color: #f8fafc;
  padding: 24px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
}
.comment-textarea-wrapper {
  position: relative;
}
.comment-textarea {
  width: 100%;
  min-height: 100px;
  padding: 16px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  font-size: 0.95rem;
  line-height: 1.5;
  color: #1e293b;
  resize: vertical;
  transition: all 0.2s ease;
  outline: none;
  font-family: inherit;
}
.comment-textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.comment-form-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 576px) {
  .comment-form-inputs {
    grid-template-columns: 1fr;
  }
}
.comment-input-field {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  font-size: 0.9rem;
  color: #1e293b;
  outline: none;
  transition: all 0.2s ease;
}
.comment-input-field:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.comment-submit-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.comment-submit-btn {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  border: none;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}
.comment-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.3);
}
.comment-submit-btn:active {
  transform: translateY(0);
}
.comment-note {
  font-size: 0.8rem;
  color: #64748b;
}
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.comment-item {
  display: flex;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid #f1f5f9;
}
.comment-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.comment-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #ffffff;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.comment-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.comment-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.comment-author-name {
  font-weight: 700;
  color: #1e293b;
  font-size: 0.95rem;
}
.comment-editor-badge {
  font-size: 0.75rem;
  font-weight: 700;
  background-color: #fef2f2;
  color: #ef4444;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid rgba(239, 68, 68, 0.15);
}
.comment-time {
  font-size: 0.8rem;
  color: #94a3b8;
}
.comment-body {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.6;
  margin: 0;
  word-break: break-all;
}
.comment-actions {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: #64748b;
  margin-top: 4px;
}
.comment-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: color 0.2s ease;
  user-select: none;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
.comment-action-btn:hover {
  color: #2563eb;
}
.comment-action-btn.liked {
  color: #2563eb;
  font-weight: 700;
}
.comment-replies {
  margin-top: 16px;
  padding-left: 20px;
  border-left: 2px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.comment-reply-item {
  display: flex;
  gap: 12px;
}
.comment-reply-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #ffffff;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.comment-reply-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* --- GEO Citation & Link Share Widget Styles --- */
.geo-cite-card {
  margin: 40px 0 30px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
  border: 1px solid #dbeafe;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.05);
  font-family: inherit;
}

.geo-cite-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.geo-cite-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0;
}

.geo-cite-title svg {
  color: #2563eb;
}

.geo-cite-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: #2563eb;
  background-color: #dbeafe;
  padding: 4px 10px;
  border-radius: 9999px;
}

.geo-cite-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 8px;
}

.geo-cite-tab {
  font-size: 0.82rem;
  font-weight: 600;
  color: #64748b;
  background: transparent;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.geo-cite-tab:hover {
  color: #1e293b;
  background-color: #f1f5f9;
}

.geo-cite-tab.active {
  color: #ffffff;
  background-color: #2563eb;
}

.geo-cite-box {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.geo-cite-input {
  flex: 1;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-family: monospace;
  color: #334155;
  outline: none;
}

.geo-cite-input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.geo-cite-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: #2563eb;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.85rem;
  border: none;
  border-radius: 8px;
  padding: 0 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.geo-cite-btn:hover {
  background: #1d4ed8;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.geo-cc-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: #64748b;
  line-height: 1.4;
  border-top: 1px dashed #cbd5e1;
  padding-top: 12px;
  margin-top: 6px;
}

.geo-cc-banner strong {
  color: #334155;
}

/* ==========================================================================
   顶级旗舰机场专区 (Top-tier Premium Airports Section)
   ========================================================================== */
.top-tier-section {
  padding-top: 15px;
  padding-bottom: 50px;
}

.top-tier-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.top-tier-header-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.top-tier-icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border-radius: 9px;
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(217, 119, 6, 0.25);
  flex-shrink: 0;
}

.top-tier-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.top-tier-tag-luxury {
  font-size: 0.72rem;
  font-weight: 700;
  color: #b45309;
  background: #fef3c7;
  border: 1px solid #fde68a;
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.top-tier-subtitle {
  font-size: 0.85rem;
  color: #64748b;
  margin: 0;
}

.top-tier-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .top-tier-grid {
    grid-template-columns: 1fr;
  }
}

.top-tier-card {
  position: relative;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
  overflow: hidden;
}

.top-tier-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  transition: height 0.3s ease;
}

.top-tier-card-nexitally::before {
  background: linear-gradient(90deg, #4f46e5, #9333ea, #06b6d4);
}

.top-tier-card-tagvpn::before {
  background: linear-gradient(90deg, #dc2626, #ea580c, #f59e0b);
}

.top-tier-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px -8px rgba(15, 23, 42, 0.1);
}

.top-tier-card-nexitally:hover {
  border-color: #c7d2fe;
}

.top-tier-card-tagvpn:hover {
  border-color: #fecaca;
}

.top-tier-card:hover::before {
  height: 5px;
}

.top-tier-btn-nexitally {
  background: linear-gradient(135deg, #4f46e5, #6366f1) !important;
}

.top-tier-btn-nexitally:hover {
  background: linear-gradient(135deg, #4338ca, #4f46e5) !important;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35) !important;
}

.top-tier-btn-tagvpn {
  background: linear-gradient(135deg, #dc2626, #ea580c) !important;
}

.top-tier-btn-tagvpn:hover {
  background: linear-gradient(135deg, #b91c1c, #dc2626) !important;
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.35) !important;
}


/* UNIFIED_FIXED_NAV_START */
.header{position:fixed!important;top:0;left:0;right:0;width:100%;z-index:1000}
.header .container{max-width:1280px}
.nav-menu{gap:22px;white-space:nowrap;align-items:center}
.nav-link{flex-shrink:0}
@media(max-width:1100px){.nav-menu{gap:14px}.nav-link{font-size:.88rem}}
/* UNIFIED_FIXED_NAV_END */