/* 
  Tomcat机场 (tomcatjichang.lol) - Modern Craft Copper-Green CSS
  Palette:
  - Soft White: #FCFCF8
  - Deep Green: #214E3F
  - Aged Copper: #B27958
  - Pale Eucalyptus: #DFEBE3
*/

:root {
  --bg-color: #FCFCF8;
  --surface-color: #FFFFFF;
  --surface-muted: #F4F7F4;
  --primary-green: #214E3F;
  --primary-green-dark: #17382D;
  --copper-accent: #B27958;
  --copper-accent-hover: #986345;
  --copper-light: rgba(178, 121, 88, 0.12);
  --border-copper: rgba(178, 121, 88, 0.3);
  --border-copper-strong: #B27958;
  --eucalyptus-pale: #DFEBE3;
  --eucalyptus-subtle: rgba(223, 235, 227, 0.5);
  --text-dark: #1C2723;
  --text-muted: #55665E;
  --text-light: #FCFCF8;
  
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", STSong, Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, Monaco, "Courier New", monospace;

  --container-max: 1200px;
  --header-height: 76px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-color);
  color: var(--text-dark);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--primary-green);
  font-weight: 700;
  line-height: 1.25;
}

h1 {
  font-size: 35px;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  h1 {
    font-size: 54px;
  }
}

h2 {
  font-size: 28px;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  h2 {
    font-size: 36px;
  }
}

h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

p {
  margin-bottom: 16px;
  color: var(--text-muted);
}

a {
  color: var(--primary-green);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.mono-code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--eucalyptus-pale);
  color: var(--primary-green-dark);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(33, 78, 63, 0.15);
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(252, 252, 248, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-copper);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-green);
}

.brand-logo svg {
  width: 34px;
  height: 34px;
  color: var(--copper-accent);
}

.brand-logo .brand-highlight {
  color: var(--copper-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--copper-accent);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--copper-accent);
}

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

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-copper);
  color: var(--primary-green);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

@media (max-width: 991px) {
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-copper);
    padding: 20px;
    display: none;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  }

  .nav-menu.is-open {
    display: block;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .nav-links a {
    font-size: 18px;
    width: 100%;
    display: block;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  cursor: pointer;
  text-align: center;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--copper-accent);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--copper-accent-hover);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(178, 121, 88, 0.25);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-green);
  border-color: var(--primary-green);
}

.btn-secondary:hover {
  background-color: var(--eucalyptus-pale);
  color: var(--primary-green-dark);
}

.btn-outline-copper {
  background-color: transparent;
  color: var(--copper-accent);
  border-color: var(--border-copper-strong);
}

.btn-outline-copper:hover {
  background-color: var(--copper-light);
  color: var(--copper-accent-hover);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 18px;
}

/* Section Styling */
.section-padding {
  padding-top: 80px;
  padding-bottom: 80px;
}

@media (max-width: 767px) {
  .section-padding {
    padding-top: 50px;
    padding-bottom: 50px;
  }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 50px;
}

.section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper-accent);
  background-color: var(--copper-light);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-copper);
  margin-bottom: 12px;
}

/* Hero Section */
.hero-section {
  padding-top: 60px;
  padding-bottom: 80px;
  background: linear-gradient(180deg, var(--bg-color) 0%, #F5F8F5 100%);
  border-bottom: 1px solid var(--border-copper);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
  }
}

.hero-content {
  max-width: 650px;
}

.hero-desc {
  font-size: 19px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 30px;
}

.hero-badges {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-copper);
  font-size: 14px;
  color: var(--text-muted);
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-badge-item svg {
  color: var(--primary-green);
  width: 18px;
  height: 18px;
}

/* Hero Route Sculpture & Network Dashboard */
.route-sculpture-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-copper);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 8px 30px rgba(33, 78, 63, 0.05);
  position: relative;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--eucalyptus-pale);
}

.dashboard-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #2E7D32;
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.2);
}

.dashboard-svg-container {
  width: 100%;
  height: 260px;
  position: relative;
}

.dashboard-svg-container svg {
  width: 100%;
  height: 100%;
}

/* Route pulse animation */
@keyframes routePulse {
  0% {
    stroke-dashoffset: 200;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

.animated-route-line {
  stroke-dasharray: 8 6;
  animation: routePulse 8s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .animated-route-line {
    animation: none;
  }
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--eucalyptus-pale);
}

.stat-box {
  background-color: var(--surface-muted);
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-copper);
  text-align: center;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

.stat-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-green);
}

/* Section 1: Broad Benefit Statement */
.benefit-statement-section {
  background-color: var(--primary-green);
  color: var(--text-light);
  text-align: center;
  padding: 70px 20px;
  border-top: 1px solid var(--border-copper);
  border-bottom: 1px solid var(--border-copper);
  position: relative;
}

.benefit-statement-inner {
  max-width: 900px;
  margin: 0 auto;
}

.benefit-statement-title {
  color: #FFFFFF;
  font-size: 30px;
  line-height: 1.4;
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  .benefit-statement-title {
    font-size: 42px;
  }
}

.benefit-statement-desc {
  color: var(--eucalyptus-pale);
  font-size: 18px;
  max-width: 780px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Section 2: Two Supporting Columns */
.supporting-cols-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 768px) {
  .supporting-cols-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.col-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-copper);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: border-color 0.2s ease;
}

.col-card:hover {
  border-color: var(--copper-accent);
}

.col-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--eucalyptus-pale);
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.col-card h3 {
  font-size: 24px;
  margin-bottom: 14px;
}

.col-card p {
  font-size: 16px;
  line-height: 1.65;
  margin-bottom: 0;
}

/* Section 3: Node Network Band */
.nodes-section {
  background-color: var(--surface-muted);
  border-top: 1px solid var(--border-copper);
  border-bottom: 1px solid var(--border-copper);
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.node-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-copper);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.node-region {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--primary-green);
}

.node-tag {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 12px;
  background-color: var(--eucalyptus-pale);
  color: var(--primary-green-dark);
}

.node-specs {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px dashed var(--border-copper);
  padding-top: 10px;
}

.node-disclaimer {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 24px;
}

/* Section 4: AI & Streaming Split Scenes */
.scene-tabs-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 992px) {
  .scene-tabs-container {
    grid-template-columns: 1fr 1fr;
  }
}

.scene-block {
  background-color: var(--surface-color);
  border: 1px solid var(--border-copper);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.scene-block-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--eucalyptus-pale);
}

.scene-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--copper-light);
  color: var(--copper-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scene-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.scene-chip {
  background-color: var(--surface-muted);
  border: 1px solid var(--border-copper);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Section 5: Compact Pricing Comparison */
.pricing-section {
  background-color: var(--bg-color);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-copper);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--copper-accent);
  background-color: #FFFDFB;
  box-shadow: 0 6px 20px rgba(178, 121, 88, 0.12);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background-color: var(--copper-accent);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 12px;
}

.pricing-header h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.pricing-price {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-green);
  margin-bottom: 16px;
}

.pricing-price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: 24px;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 15px;
  color: var(--text-dark);
  padding: 8px 0;
  border-bottom: 1px dashed var(--eucalyptus-pale);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-features li svg {
  color: var(--primary-green);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.pricing-disclaimer {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 24px;
}

/* Section 6: Editorial Article Previews Grid (3/2/1 Layout) */
.articles-grid-section {
  background-color: var(--surface-muted);
  border-top: 1px solid var(--border-copper);
  border-bottom: 1px solid var(--border-copper);
}

.articles-grid {
  display: grid;
  grid-template-columns: 1fr; /* Mobile: 1 column */
  gap: 24px;
}

@media (min-width: 768px) and (max-width: 1023px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr); /* Tablet: 2 columns */
  }
}

@media (min-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr); /* Desktop: 3 columns */
  }
}

.article-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-copper);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.article-card:hover {
  transform: translateY(-2px);
  border-color: var(--copper-accent);
}

.article-card-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--copper-accent);
  background-color: var(--copper-light);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  align-self: flex-start;
  margin-bottom: 12px;
}

.article-card h3 {
  font-size: 19px;
  line-height: 1.4;
  margin-bottom: 12px;
}

.article-card h3 a {
  color: var(--primary-green);
}

.article-card h3 a:hover {
  color: var(--copper-accent);
}

.article-card p {
  font-size: 15px;
  color: var(--text-muted);
  flex-grow: 1;
  margin-bottom: 16px;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--eucalyptus-pale);
  padding-top: 12px;
}

.article-read-more {
  font-weight: 600;
  color: var(--copper-accent);
}

/* Section 7: Sample Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-copper);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-body {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dark);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--eucalyptus-pale);
  padding-top: 12px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--eucalyptus-pale);
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.author-info h4 {
  font-size: 15px;
  color: var(--primary-green);
  margin-bottom: 2px;
}

.author-info span {
  font-size: 13px;
  color: var(--text-muted);
}

/* Section 8: FAQ Accordion */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-copper);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  background-color: var(--surface-color);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 24px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-question:hover {
  color: var(--copper-accent);
}

.faq-icon {
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
}

.faq-item.is-open .faq-answer {
  max-height: 600px;
  padding: 0 24px 20px 24px;
  border-top: 1px dashed var(--eucalyptus-pale);
}

.faq-answer p {
  margin-bottom: 0;
  padding-top: 12px;
  font-size: 16px;
  line-height: 1.65;
}

/* Section 9: Footer */
.site-footer {
  background-color: var(--primary-green);
  color: var(--text-light);
  padding-top: 60px;
  padding-bottom: 40px;
  border-top: 1px solid var(--border-copper);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-brand p {
  color: var(--eucalyptus-pale);
  font-size: 15px;
  margin-top: 12px;
  max-width: 320px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 17px;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--eucalyptus-pale);
  font-size: 15px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(223, 235, 227, 0.2);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--eucalyptus-pale);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

/* Article Template Specific Styles */
.article-header {
  padding-top: 40px;
  padding-bottom: 30px;
  background-color: var(--surface-muted);
  border-bottom: 1px solid var(--border-copper);
  margin-bottom: 40px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  color: var(--copper-accent);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 16px;
}

.article-content {
  max-width: 840px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.8;
}

.article-content h2 {
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--eucalyptus-pale);
}

.article-content h3 {
  margin-top: 28px;
  margin-bottom: 12px;
}

.article-content ul, .article-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content blockquote {
  border-left: 4px solid var(--copper-accent);
  background-color: var(--eucalyptus-pale);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--primary-green-dark);
}

.article-callout {
  background-color: #FFFDFB;
  border: 1px solid var(--border-copper);
  border-left: 4px solid var(--copper-accent);
  padding: 20px;
  border-radius: var(--radius-md);
  margin: 24px 0;
}

.article-callout h4 {
  color: var(--copper-accent);
  margin-bottom: 8px;
}

.related-articles {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border-copper);
}

/* Accessibility Focus Outline */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--copper-accent);
  outline-offset: 3px;
}