/* 
 * 花云机场 (FlowerYun Airport) - White-Outline Botanical & Cloud Drift Theme
 * 极速穿云专线
 * Color Palette: #FAF9F6 Art Paper, Deep Charcoal #1E292B, Slate Gray #5C6B73, 0.5px Monochrome Ink Lines
 */

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

:root {
  --bg-paper: #FAF9F6;
  --bg-card: rgba(255, 255, 255, 0.82);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --text-main: #1E292B;
  --text-muted: #5C6B73;
  --text-light: #8C9BA5;
  --ink-line: rgba(30, 41, 43, 0.18);
  --ink-line-strong: rgba(30, 41, 43, 0.4);
  --accent-gold: #C5A059;
  --accent-gold-light: rgba(197, 160, 89, 0.12);
  --accent-glow: #FFFFFF;
  --shadow-paper: 0 10px 30px -5px rgba(30, 41, 43, 0.05), 0 20px 25px -5px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 20px 40px -10px rgba(30, 41, 43, 0.12);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-paper);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(197, 160, 89, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(30, 41, 43, 0.03) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Texture Overlay */
.paper-texture {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.08'/%3E%3C/svg%3E");
}

/* Background Canvas Cloud Particles */
#bgCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Layout Utilities */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.section-title-wrap {
  text-align: center;
  margin-bottom: 56px;
  position: relative;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 0.875rem;
  letter-spacing: 3px;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding: 4px 16px;
  background: var(--accent-gold-light);
  border: 1px solid rgba(197, 160, 89, 0.3);
  border-radius: 50px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.35rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
}

/* Fine-line Accent Border */
.line-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ink-line-strong), transparent);
  margin: 40px 0;
  opacity: 0.6;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(250, 249, 246, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ink-line);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.logo-icon-svg {
  width: 38px;
  height: 38px;
  stroke: var(--text-main);
  stroke-width: 0.8;
  fill: none;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-main);
}

.logo-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  border-radius: 4px;
  margin-left: 6px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 6px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--text-main);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 50px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--text-main);
  color: #FAF9F6;
  border: 1px solid var(--text-main);
  box-shadow: 0 4px 14px rgba(30, 41, 43, 0.15);
}

.btn-primary:hover {
  background: #3A4A58;
  border-color: #3A4A58;
  box-shadow: 0 8px 24px rgba(30, 41, 43, 0.25);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--ink-line-strong);
}

.btn-outline:hover {
  background: rgba(30, 41, 43, 0.04);
  border-color: var(--text-main);
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-main);
}

/* Hero Section */
.hero-section {
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-badge-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--ink-line-strong);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-main);
  font-family: var(--font-serif);
}

.hero-tag span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 8px var(--accent-gold);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.4rem;
  line-height: 1.25;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-title em {
  font-style: normal;
  color: var(--accent-gold);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 620px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-features-list {
  display: flex;
  gap: 32px;
  list-style: none;
  padding-top: 24px;
  border-top: 1px solid var(--ink-line);
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-feature-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent-gold);
  stroke-width: 1.8;
  fill: none;
}

/* Botanical Vector Art Graphic Container */
.hero-art-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.art-card-paper {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  border: 1px solid var(--ink-line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-paper);
  backdrop-filter: blur(8px);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.art-svg-botanical {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
}

/* Botanical Line Drawing & Nodes Glow */
.botanical-path {
  stroke: var(--text-main);
  stroke-width: 0.5px;
  fill: none;
  stroke-dasharray: 1000;
  stroke-dashoffset: 0;
  transition: stroke 0.4s ease;
}

.cloud-path {
  stroke: rgba(92, 107, 115, 0.4);
  stroke-width: 0.6px;
  fill: none;
  stroke-dasharray: 8 4;
  animation: cloudDrift 25s linear infinite;
}

@keyframes cloudDrift {
  0% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: 200; }
}

.node-dot {
  fill: var(--bg-paper);
  stroke: var(--text-main);
  stroke-width: 0.8px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.node-dot:hover, .node-dot.active {
  fill: #FFFFFF;
  stroke: var(--accent-gold);
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 1)) drop-shadow(0 0 12px rgba(197, 160, 89, 0.8));
  r: 6;
}

/* Floating Status Cards in Hero Art */
.floating-stat-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--ink-line);
  padding: 12px 18px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.04);
  backdrop-filter: blur(8px);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.floating-stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-gold);
}

.stat-card-1 {
  top: 24px;
  right: -10px;
}

.stat-card-2 {
  bottom: 30px;
  left: -10px;
}

.stat-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
}

.stat-info .stat-val {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-info .stat-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Core Advantages Section */
.features-section {
  padding: 100px 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-paper);
}

.feature-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: var(--ink-line-strong);
  box-shadow: var(--shadow-hover);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 30px;
  width: 40px;
  height: 2px;
  background: var(--accent-gold);
  transition: var(--transition);
}

.feature-card:hover::before {
  width: 80px;
}

.feature-icon-svg {
  width: 48px;
  height: 48px;
  stroke: var(--text-main);
  stroke-width: 1;
  fill: none;
  margin-bottom: 24px;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-main);
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Interactive Node Routes Preview Section */
.routes-section {
  padding: 100px 0;
  background: rgba(255, 255, 255, 0.4);
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
}

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

.route-card {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: var(--transition);
  cursor: pointer;
}

.route-card:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 10px 25px rgba(197, 160, 89, 0.15);
  transform: translateY(-3px);
}

.route-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.route-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.route-flag {
  font-size: 1.2rem;
}

.route-ping {
  font-size: 0.8rem;
  font-weight: 600;
  color: #10B981;
  padding: 2px 8px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 20px;
}

.route-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.route-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(30, 41, 43, 0.04);
  padding: 2px 8px;
  border-radius: 4px;
}

/* Pricing Section */
.pricing-section {
  padding: 100px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-paper);
}

.pricing-card.popular {
  border-color: var(--text-main);
  background: #FFFFFF;
  box-shadow: var(--shadow-hover);
  transform: scale(1.03);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-main);
  color: #FAF9F6;
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  padding: 4px 18px;
  border-radius: 20px;
  font-family: var(--font-serif);
}

.plan-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 42px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink-line);
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
}

.price-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1;
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-features-list {
  list-style: none;
  margin-bottom: 36px;
}

.plan-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.925rem;
  color: var(--text-main);
  margin-bottom: 14px;
}

.plan-feature-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--accent-gold);
  stroke-width: 2.2;
  fill: none;
  flex-shrink: 0;
}

/* Tutorials Overview & Client Showcase Section */
.tutorials-section {
  padding: 100px 0;
  background: rgba(255, 255, 255, 0.5);
  border-top: 1px solid var(--ink-line);
}

.tutorial-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.tutorial-entry-card {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: var(--transition);
}

.tutorial-entry-card:hover {
  border-color: var(--text-main);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.tutorial-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: var(--accent-gold-light);
  border: 1px solid rgba(197, 160, 89, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tutorial-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent-gold);
  stroke-width: 1.5;
  fill: none;
}

.tutorial-info h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-main);
}

.tutorial-info p {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
}

.link-arrow:hover {
  color: var(--accent-gold);
  transform: translateX(4px);
}

/* User Reviews Section */
.reviews-section {
  padding: 100px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-paper);
}

.review-rating {
  display: flex;
  gap: 4px;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--ink-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text-main);
  border: 1px solid var(--ink-line-strong);
}

.author-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

.author-role {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* FAQ Accordion Section */
.faq-section {
  padding: 100px 0;
  background: rgba(255, 255, 255, 0.4);
  border-top: 1px solid var(--ink-line);
}

.faq-accordion-wrap {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--ink-line-strong);
}

.faq-header {
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-question {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.faq-toggle-icon {
  width: 20px;
  height: 20px;
  stroke: var(--text-main);
  stroke-width: 1.5;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-toggle-icon {
  transform: rotate(180deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 28px;
}

.faq-item.open .faq-body {
  max-height: 350px;
  padding: 0 28px 24px 28px;
  border-top: 1px solid rgba(30, 41, 43, 0.08);
}

.faq-content {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  padding-top: 16px;
}

/* Article Directory Section */
.articles-section {
  padding: 100px 0;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  box-shadow: var(--shadow-paper);
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--text-main);
  box-shadow: var(--shadow-hover);
}

.article-card-body {
  padding: 28px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.article-tag {
  color: var(--accent-gold);
  font-weight: 600;
}

.article-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-main);
  margin-bottom: 12px;
}

.article-title a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

.article-title a:hover {
  color: var(--accent-gold);
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-footer {
  padding: 18px 28px;
  border-top: 1px solid var(--ink-line);
  background: rgba(255, 255, 255, 0.4);
}

/* Article & Tutorial Detail Layout */
.page-header {
  padding: 140px 0 60px;
  background: rgba(250, 249, 246, 0.9);
  border-bottom: 1px solid var(--ink-line);
  text-align: center;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.breadcrumb-nav a {
  color: var(--text-main);
  text-decoration: none;
}

.breadcrumb-separator {
  color: var(--text-light);
}

.article-page-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-main);
  max-width: 900px;
  margin: 0 auto 20px;
  line-height: 1.3;
}

.article-page-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.content-container {
  max-width: 880px;
  margin: 60px auto 100px;
  padding: 0 24px;
}

.typography-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-main);
}

.typography-body h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 48px 0 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink-line);
}

.typography-body h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 32px 0 16px;
}

.typography-body p {
  margin-bottom: 22px;
  color: #2D3748;
}

.typography-body ul, .typography-body ol {
  margin: 0 0 24px 24px;
}

.typography-body li {
  margin-bottom: 8px;
}

.typography-body blockquote {
  border-left: 3px solid var(--accent-gold);
  padding: 16px 24px;
  background: var(--accent-gold-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 28px 0;
  font-style: italic;
  color: var(--text-main);
}

/* Callout CTA Banner Box inside articles */
.article-cta-box {
  background: var(--text-main);
  color: #FAF9F6;
  border-radius: var(--radius-lg);
  padding: 36px;
  margin: 48px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.article-cta-box h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.article-cta-box p {
  color: rgba(250, 249, 246, 0.85);
  font-size: 1rem;
  margin-bottom: 24px;
}

.article-cta-box .btn-cta {
  background: var(--accent-gold);
  color: #1E292B;
  font-weight: 700;
  padding: 12px 32px;
  border-radius: 50px;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition);
}

.article-cta-box .btn-cta:hover {
  background: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

/* Data Table in Articles */
.styled-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 0.95rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--ink-line);
}

.styled-table th {
  background: rgba(30, 41, 43, 0.05);
  color: var(--text-main);
  font-family: var(--font-serif);
  font-weight: 600;
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--ink-line-strong);
}

.styled-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--ink-line);
  color: var(--text-muted);
}

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

/* Related Recommendations Section inside Articles */
.related-articles-box {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--ink-line-strong);
}

.related-articles-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-main);
}

.related-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.related-item {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: var(--transition);
}

.related-item:hover {
  border-color: var(--text-main);
  transform: translateY(-2px);
}

.related-item a {
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  margin-bottom: 6px;
}

.related-item a:hover {
  color: var(--accent-gold);
}

.related-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* Footer Section */
.site-footer {
  background: var(--text-main);
  color: #FAF9F6;
  padding: 80px 0 32px;
  position: relative;
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand .logo-text {
  color: #FFFFFF;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: rgba(250, 249, 246, 0.65);
  line-height: 1.7;
  margin: 16px 0 24px;
  max-width: 320px;
}

.footer-heading {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(250, 249, 246, 0.65);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(250, 249, 246, 0.5);
}

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

.footer-bottom-links a {
  color: rgba(250, 249, 246, 0.5);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Floating Jump Button */
.floating-cta {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 90;
  background: var(--text-main);
  color: #FFFFFF;
  border: 1px solid var(--accent-gold);
  padding: 14px 24px;
  border-radius: 50px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.floating-cta:hover {
  transform: translateY(-4px) scale(1.05);
  background: #2D3748;
  box-shadow: 0 15px 40px rgba(0,0,0,0.35);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 10px #10B981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-features-list {
    justify-content: center;
  }

  .features-grid, .pricing-grid, .reviews-grid, .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .routes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: var(--bg-paper);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--ink-line);
    box-shadow: var(--shadow-paper);
  }

  .nav-menu.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .features-grid, .pricing-grid, .reviews-grid, .articles-grid, .tutorial-cards-grid, .related-list {
    grid-template-columns: 1fr;
  }

  .routes-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .floating-cta {
    bottom: 20px;
    right: 20px;
    padding: 12px 18px;
    font-size: 0.85rem;
  }
}