/* ==========================================================================
   梦想云 (mengxiangyun.xyz) - Design System
   Style Spec: Cyanotype Blueprint Spec (古典蓝晒) x Orbital Space Elevator (太空电梯)
   ========================================================================== */

:root {
  --bg-dark: #060a13;
  --bg-prussian: #0c1e34;
  --bg-card: rgba(12, 30, 52, 0.65);
  --bg-card-hover: rgba(16, 42, 74, 0.85);
  
  --border-cyanotype: rgba(59, 130, 246, 0.25);
  --border-glow: rgba(0, 240, 255, 0.4);
  --border-cream: rgba(238, 244, 255, 0.15);
  
  --text-primary: #eef4ff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #00f0ff;
  --text-blueprint: #3b82f6;
  
  --halo-cream: rgba(238, 244, 255, 0.04);
  --laser-cyan: #00f0ff;
  --laser-cyan-glow: rgba(0, 240, 255, 0.2);
  
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  
  --container-max: 1240px;
  --radius-window: 6px;
}

/* Custom Tail Wing Mouse Cursor */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%2300f0ff" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2L2 22l10-4 10 4L12 2z"/><path d="M12 2v16" stroke="%233b82f6" stroke-width="1.2"/></svg>') 12 2, auto;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(12, 30, 52, 0.8) 0%, transparent 75%),
    linear-gradient(to right, rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
}

/* Vertical Elevator Carbon Cable Guides */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 15%;
  width: 1px;
  height: 100vh;
  background: linear-gradient(to bottom, transparent, rgba(0, 240, 255, 0.15), transparent);
  pointer-events: none;
  z-index: 1;
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  right: 15%;
  width: 1px;
  height: 100vh;
  background: linear-gradient(to bottom, transparent, rgba(0, 240, 255, 0.15), transparent);
  pointer-events: none;
  z-index: 1;
}

a {
  color: var(--text-accent);
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="%2300f0ff" stroke="%23ffffff" stroke-width="1.5"><path d="M12 2L2 22l10-4 10 4L12 2z"/></svg>') 12 2, pointer;
}

a:hover {
  color: #fff;
  text-shadow: 0 0 8px var(--laser-cyan-glow);
}

button {
  font-family: inherit;
  cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="%2300f0ff" stroke="%23ffffff" stroke-width="1.5"><path d="M12 2L2 22l10-4 10 4L12 2z"/></svg>') 12 2, pointer;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* Param Badges & Chemical Annotations */
.param-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: rgba(12, 30, 52, 0.7);
  border: 1px solid var(--border-cyanotype);
  padding: 3px 8px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.param-tag::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-accent);
  box-shadow: 0 0 6px var(--text-accent);
}

.cyanotype-halo {
  box-shadow: 0 0 35px var(--halo-cream), inset 0 0 20px rgba(12, 30, 52, 0.5);
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 10, 19, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-cyanotype);
  padding: 16px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--text-accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-prussian);
  box-shadow: 0 0 12px var(--laser-cyan-glow);
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text-accent);
}

.btn-header {
  background: linear-gradient(135deg, #0c1e34 0%, #1a3a60 100%);
  border: 1px solid var(--text-accent);
  color: var(--text-accent);
  padding: 8px 20px;
  border-radius: var(--radius-window);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.btn-header:hover {
  background: var(--text-accent);
  color: var(--bg-dark);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.4);
}

/* Hero Section */
.hero {
  padding: 90px 0 60px;
  text-align: center;
  position: relative;
}

.hero-sub {
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #a5c7f9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title span {
  color: var(--text-accent);
  -webkit-text-fill-color: var(--text-accent);
  text-shadow: 0 0 20px var(--laser-cyan-glow);
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #0077ff 100%);
  color: #060a13;
  padding: 16px 36px;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-window);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 45px rgba(0, 240, 255, 0.6);
  color: #000;
}

.btn-secondary {
  background: var(--bg-prussian);
  border: 1px solid var(--border-cyanotype);
  color: var(--text-primary);
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-window);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  border-color: var(--text-accent);
  background: rgba(12, 30, 52, 0.9);
  color: var(--text-accent);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  margin-top: 12px;
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 650px;
  margin: 0 auto;
}

/* Cabin Window Cards Framework */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.cabin-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyanotype);
  border-radius: var(--radius-window);
  padding: 30px;
  position: relative;
  backdrop-filter: blur(10px);
  transition: all 0.35s ease;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4), 0 0 30px var(--halo-cream);
}

.cabin-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.cabin-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0, 240, 255, 0.12), 0 0 40px rgba(238, 244, 255, 0.08);
}

.cabin-card:hover::before {
  opacity: 1;
}

.card-header-param {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-cyanotype);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-accent);
  margin-bottom: 20px;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Latency Test Matrix Component */
.latency-box {
  background: rgba(12, 30, 52, 0.8);
  border: 1px solid var(--border-cyanotype);
  border-radius: var(--radius-window);
  padding: 28px;
  margin-top: 40px;
}

.latency-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.latency-item {
  background: rgba(6, 10, 19, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.18);
  border-radius: 4px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.node-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.node-ping {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: #10b981;
}

/* Pricing Section */
.pricing-section {
  padding: 80px 0;
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 40px;
}

.toggle-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.toggle-label.active {
  color: var(--text-accent);
  font-weight: 600;
}

.switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--bg-prussian);
  border: 1px solid var(--border-cyanotype);
  transition: .3s;
  border-radius: 28px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-accent);
  transition: .3s;
  border-radius: 50%;
  box-shadow: 0 0 8px var(--text-accent);
}

input:checked + .slider {
  background-color: #1a3a60;
  border-color: var(--text-accent);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyanotype);
  border-radius: var(--radius-window);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border-color: var(--text-accent);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.2);
}

.pricing-card.featured::after {
  content: 'POPULAR CHOICE';
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--text-accent);
  color: var(--bg-dark);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 3px;
}

.pricing-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-accent);
  font-family: var(--font-mono);
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.pricing-price span {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.pricing-features li {
  padding: 10px 0;
  border-bottom: 1px dashed rgba(59, 130, 246, 0.15);
  font-size: 0.92rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--text-accent);
  font-weight: 700;
}

/* Comparison Table */
.comparison-wrapper {
  margin-top: 60px;
  background: var(--bg-card);
  border: 1px solid var(--border-cyanotype);
  border-radius: var(--radius-window);
  padding: 32px;
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.comparison-table th, .comparison-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(59, 130, 246, 0.15);
}

.comparison-table th {
  font-family: var(--font-mono);
  color: var(--text-accent);
  font-size: 0.88rem;
  text-transform: uppercase;
  background: rgba(6, 10, 19, 0.5);
}

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

.comparison-table tr:hover td {
  background: rgba(12, 30, 52, 0.5);
  color: #fff;
}

.badge-green {
  color: #10b981;
  font-weight: 600;
}

/* Article Cards Section */
.articles-section {
  padding: 80px 0;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyanotype);
  border-radius: var(--radius-window);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.article-card:hover {
  border-color: var(--text-accent);
  transform: translateY(-3px);
}

.article-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.article-title-link {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.read-more-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Reviews & Testimonials */
.reviews-section {
  padding: 70px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyanotype);
  border-radius: var(--radius-window);
  padding: 26px;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.avatar-box {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-prussian);
  border: 1px solid var(--text-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--text-accent);
}

.user-info h4 {
  color: #fff;
  font-size: 0.98rem;
  font-weight: 600;
}

.user-info p {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.review-stars {
  color: #f59e0b;
  font-size: 0.88rem;
  margin-bottom: 12px;
}

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

/* FAQ Accordion Section */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-cyanotype);
  border-radius: var(--radius-window);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.faq-question {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

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

.faq-icon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--text-accent);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 22px 24px;
  border-top: 1px dashed rgba(59, 130, 246, 0.15);
}

/* Single Article Layout */
.article-page {
  padding: 60px 0 100px;
}

.article-content-wrapper {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-cyanotype);
  border-radius: var(--radius-window);
  padding: 48px;
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.article-meta-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-cyanotype);
}

.article-h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-top: 16px;
  margin-bottom: 16px;
}

.article-body {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-body h2 {
  font-size: 1.55rem;
  font-weight: 700;
  color: #fff;
  margin-top: 40px;
  margin-bottom: 18px;
  padding-left: 14px;
  border-left: 3px solid var(--text-accent);
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #e2e8f0;
  margin-top: 28px;
  margin-bottom: 14px;
}

.article-body p {
  margin-bottom: 20px;
}

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

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

.article-body code {
  font-family: var(--font-mono);
  background: rgba(6, 10, 19, 0.8);
  border: 1px solid var(--border-cyanotype);
  color: var(--text-accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.article-body pre {
  background: rgba(6, 10, 19, 0.95);
  border: 1px solid var(--border-cyanotype);
  padding: 20px;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 24px;
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
}

.cta-box-article {
  margin: 40px 0;
  background: linear-gradient(135deg, rgba(12, 30, 52, 0.9) 0%, rgba(6, 10, 19, 0.95) 100%);
  border: 1px solid var(--text-accent);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
}

.cta-box-article h3 {
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.cta-box-article p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  margin-bottom: 24px;
}

.related-articles {
  margin-top: 60px;
  padding-top: 36px;
  border-top: 1px solid var(--border-cyanotype);
}

.related-articles h3 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

/* ==========================================================================
   CORE TASK 2: PBN Footer Links (页脚 PBN 权重精准输血管道)
   ========================================================================== */
footer {
  background: rgba(4, 7, 13, 0.95);
  border-top: 1px solid var(--border-cyanotype);
  padding: 45px 0 30px;
  margin-top: 80px;
  text-align: center;
  position: relative;
  z-index: 10;
}

.footer-content {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  display: inline-block;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 24px;
}

/* Low-key SEO PBN Link Exchange Pipe */
.pbn-links-pipe {
  margin: 28px 0 24px;
  padding: 16px 20px;
  background: rgba(12, 30, 52, 0.35);
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: 4px;
  text-align: center;
}

.pbn-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  opacity: 0.75;
}

.pbn-links-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 22px;
  list-style: none;
}

.pbn-links-grid li a {
  color: #64748b;
  font-size: 0.82rem;
  transition: color 0.25s ease;
  font-weight: 400;
}

.pbn-links-grid li a:hover {
  color: var(--text-accent);
  text-decoration: underline;
}

.copyright {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 20px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: 14px;
  }
  
  .nav-links {
    gap: 14px;
    font-size: 0.88rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero-title {
    font-size: 2.1rem;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .article-content-wrapper {
    padding: 24px 18px;
  }
  
  .article-h1 {
    font-size: 1.6rem;
  }
  
  .comparison-wrapper {
    padding: 16px;
  }
}