/* ====================================================================
   LinkCube绿叶 (linkcube.club) - Swiss Precision Grid Stylesheet
   Style Theme: Swiss Engineering Precision & Hairline Grid Architecture
   No external fonts, no CDN dependencies, optimized for LCP < 2.5s / CLS < 0.1
   ==================================================================== */

:root {
  --lc-font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --lc-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  
  /* Precision Color Palette */
  --lc-color-bg: #f8fafc;
  --lc-color-surface: #ffffff;
  --lc-color-surface-subtle: #f1f5f9;
  --lc-color-surface-muted: #e2e8f0;
  
  --lc-color-border: #e2e8f0;
  --lc-color-border-strong: #cbd5e1;
  --lc-color-border-dark: #0f172a;
  
  --lc-color-text-main: #090d16;
  --lc-color-text-body: #334155;
  --lc-color-text-muted: #64748b;
  
  /* Cobalt Engineering Accent */
  --lc-color-primary: #2563eb;
  --lc-color-primary-hover: #1d4ed8;
  --lc-color-primary-light: #eff6ff;
  --lc-color-primary-border: #bfdbfe;
  
  /* Micro Status Indicators */
  --lc-color-status-green: #10b981;
  --lc-color-status-blue: #0284c7;

  /* Crisp Hairline Radius (No puffy bubble cards) */
  --lc-radius-sm: 2px;
  --lc-radius-md: 3px;
  --lc-radius-lg: 4px;
  
  /* Technical Crisp Hard Offset Shadows */
  --lc-shadow-hairline: 0 1px 2px rgba(15, 23, 42, 0.04);
  --lc-shadow-hard: 2px 2px 0px rgba(15, 23, 42, 0.06);
  --lc-shadow-hard-hover: 3px 3px 0px rgba(37, 99, 235, 0.2);
  
  --lc-container-max: 1160px;
  --lc-nav-height: 64px;
}

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

html {
  font-family: var(--lc-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--lc-color-text-body);
  background-color: var(--lc-color-bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--lc-color-bg);
}

/* Typography Hierarchy */
h1, h2, h3, h4 {
  color: var(--lc-color-text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--lc-color-primary);
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover {
  color: var(--lc-color-primary-hover);
}

/* Technical System Label / Eyebrow */
.lc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--lc-font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--lc-color-primary);
  background: var(--lc-color-primary-light);
  border: 1px solid var(--lc-color-primary-border);
  padding: 0.2rem 0.55rem;
  border-radius: var(--lc-radius-sm);
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.lc-eyebrow__dot {
  width: 6px;
  height: 6px;
  background-color: var(--lc-color-primary);
  border-radius: 50%;
}

/* Container & Sections */
.lc-container {
  width: 100%;
  max-width: var(--lc-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.lc-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--lc-color-border);
  position: relative;
}

.lc-section--alt {
  background-color: #ffffff;
}

.lc-section__header {
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
  text-align: center;
}

.lc-section__subtitle {
  color: var(--lc-color-text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

/* Header & Precision Navigation */
.lc-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--lc-nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--lc-color-border-strong);
}

.lc-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.lc-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--lc-color-text-main);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.lc-logo__icon {
  width: 28px;
  height: 28px;
  color: var(--lc-color-primary);
}

.lc-logo__tag {
  font-family: var(--lc-font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--lc-color-border-strong);
  color: var(--lc-color-text-muted);
  border-radius: var(--lc-radius-sm);
  background: var(--lc-color-surface-subtle);
  font-weight: 600;
}

.lc-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.lc-nav__link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--lc-color-text-body);
  position: relative;
  padding: 0.35rem 0;
  transition: color 0.15s ease;
}

.lc-nav__link:hover {
  color: var(--lc-color-primary);
}

.lc-nav__link:hover::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--lc-color-primary);
}

.lc-header__action {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lc-nav-toggle {
  display: none;
  background: var(--lc-color-surface-subtle);
  border: 1px solid var(--lc-color-border-strong);
  padding: 0.4rem 0.5rem;
  border-radius: var(--lc-radius-sm);
  color: var(--lc-color-text-main);
  cursor: pointer;
}

/* Precision Button Architecture */
.lc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--lc-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  min-height: 42px;
}

.lc-btn:focus-visible {
  outline: 2px solid var(--lc-color-primary);
  outline-offset: 2px;
}

.lc-btn--primary {
  background-color: var(--lc-color-primary);
  color: #ffffff !important;
  border-color: var(--lc-color-primary-hover);
  box-shadow: 1px 1px 0px rgba(15, 23, 42, 0.15);
}

.lc-btn--primary:hover {
  background-color: var(--lc-color-primary-hover);
  box-shadow: 2px 2px 0px rgba(15, 23, 42, 0.2);
}

.lc-btn--outline {
  background-color: #ffffff;
  border-color: var(--lc-color-border-strong);
  color: var(--lc-color-text-main);
  box-shadow: var(--lc-shadow-hairline);
}

.lc-btn--outline:hover {
  background-color: var(--lc-color-surface-subtle);
  border-color: var(--lc-color-text-main);
  color: var(--lc-color-text-main);
}

.lc-btn--lg {
  padding: 0.85rem 1.85rem;
  font-size: 1rem;
}

.lc-btn--block {
  width: 100%;
}

/* Hero Section (Swiss Grid Technical Spec) */
.lc-hero {
  padding: 4.5rem 0 4.5rem 0;
  background-color: #ffffff;
  border-bottom: 1px solid var(--lc-color-border-strong);
}

.lc-hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.lc-hero__title {
  font-size: 2.65rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 1.25rem;
  color: var(--lc-color-text-main);
  letter-spacing: -0.03em;
}

.lc-hero__subtitle {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--lc-color-text-muted);
  margin-bottom: 2rem;
  max-width: 580px;
}

.lc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
}

.lc-hero__trust {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--lc-color-border);
}

.lc-hero__trust-label {
  font-family: var(--lc-font-mono);
  font-size: 0.8rem;
  color: var(--lc-color-text-muted);
  text-transform: uppercase;
}

.lc-hero__trust-badges {
  display: flex;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--lc-color-text-body);
}

.lc-hero__trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.5rem;
  background: var(--lc-color-surface-subtle);
  border: 1px solid var(--lc-color-border);
  border-radius: var(--lc-radius-sm);
}

/* Technical Topology Dashboard Box */
.lc-topology-card {
  background: var(--lc-color-surface);
  border: 1px solid var(--lc-color-border-strong);
  border-radius: var(--lc-radius-md);
  box-shadow: var(--lc-shadow-hard);
  overflow: hidden;
}

.lc-topology-card__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: var(--lc-color-surface-subtle);
  border-bottom: 1px solid var(--lc-color-border-strong);
  font-family: var(--lc-font-mono);
  font-size: 0.75rem;
  color: var(--lc-color-text-muted);
}

.lc-topology-card__status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--lc-color-status-green);
  font-weight: 700;
}

.lc-topology-card__status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--lc-color-status-green);
}

.lc-topology-card__body {
  padding: 1.5rem;
}

/* Features Technical Panel Grid (2x2 Hairline Grid) */
.lc-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.lc-feature-card {
  background: var(--lc-color-surface);
  border: 1px solid var(--lc-color-border);
  border-radius: var(--lc-radius-md);
  padding: 2rem;
  position: relative;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.lc-feature-card:hover {
  border-color: var(--lc-color-primary);
  box-shadow: var(--lc-shadow-hard);
}

.lc-feature-card__index {
  font-family: var(--lc-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--lc-color-primary);
  margin-bottom: 0.75rem;
  display: block;
}

.lc-feature-card__title {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
  color: var(--lc-color-text-main);
}

.lc-feature-card__desc {
  font-size: 0.95rem;
  color: var(--lc-color-text-body);
  line-height: 1.65;
  margin: 0;
}

/* Showcase (Streaming & AI Matrix Panels) */
.lc-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
}

.lc-showcase-box {
  background: var(--lc-color-surface);
  border: 1px solid var(--lc-color-border);
  border-radius: var(--lc-radius-md);
  overflow: hidden;
}

.lc-showcase-box__header {
  padding: 1.5rem 1.75rem;
  background: var(--lc-color-surface-subtle);
  border-bottom: 1px solid var(--lc-color-border);
}

.lc-showcase-box__title {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}

.lc-showcase-box__desc {
  font-size: 0.9rem;
  color: var(--lc-color-text-muted);
}

.lc-showcase-box__body {
  padding: 1.75rem;
}

.lc-badge-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.lc-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 0.5rem;
  background: var(--lc-color-surface);
  border: 1px solid var(--lc-color-border-strong);
  border-radius: var(--lc-radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--lc-color-text-main);
  text-align: center;
}

.lc-badge:hover {
  border-color: var(--lc-color-primary);
  background: var(--lc-color-primary-light);
}

/* Scenarios Spec Grid (3 columns) */
.lc-scenarios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.lc-scenario-card {
  background: var(--lc-color-surface);
  border: 1px solid var(--lc-color-border);
  border-radius: var(--lc-radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

.lc-scenario-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--lc-color-border);
}

.lc-scenario-card__tag {
  font-family: var(--lc-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--lc-color-primary);
  background: var(--lc-color-primary-light);
  padding: 0.15rem 0.45rem;
  border-radius: var(--lc-radius-sm);
  border: 1px solid var(--lc-color-primary-border);
}

.lc-scenario-card__title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.lc-scenario-card__device {
  font-family: var(--lc-font-mono);
  font-size: 0.825rem;
  color: var(--lc-color-text-muted);
  margin-bottom: 0.75rem;
}

.lc-scenario-card__desc {
  font-size: 0.925rem;
  color: var(--lc-color-text-body);
  line-height: 1.65;
  margin: 0;
}

/* Pricing Technical Spec Cards */
.lc-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.lc-pricing-card {
  background: var(--lc-color-surface);
  border: 1px solid var(--lc-color-border-strong);
  border-radius: var(--lc-radius-md);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.lc-pricing-card:hover {
  border-color: var(--lc-color-primary);
}

.lc-pricing-card--featured {
  border: 2px solid var(--lc-color-primary);
  box-shadow: var(--lc-shadow-hard);
}

.lc-pricing-card__header {
  padding: 1.75rem 1.75rem 1.25rem 1.75rem;
  border-bottom: 1px solid var(--lc-color-border);
}

.lc-pricing-card--featured .lc-pricing-card__header {
  background: var(--lc-color-primary-light);
}

.lc-pricing-card__top-badge {
  display: inline-block;
  font-family: var(--lc-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--lc-color-primary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
}

.lc-pricing-card__title {
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.lc-pricing-card__target {
  font-size: 0.85rem;
  color: var(--lc-color-text-muted);
}

.lc-pricing-card__body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.lc-pricing-card__price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.lc-pricing-card__currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--lc-color-text-main);
}

.lc-pricing-card__amount {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--lc-color-text-main);
  line-height: 1;
  font-family: var(--lc-font-mono);
}

.lc-pricing-card__period {
  font-size: 0.85rem;
  color: var(--lc-color-text-muted);
}

.lc-pricing-card__features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.lc-pricing-card__feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.925rem;
  color: var(--lc-color-text-body);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.lc-pricing-card__feature-item svg {
  color: var(--lc-color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* FAQ Technical Accordion */
.lc-faq-list {
  max-width: 820px;
  margin: 0 auto;
  border: 1px solid var(--lc-color-border-strong);
  border-radius: var(--lc-radius-md);
  overflow: hidden;
  background: var(--lc-color-surface);
}

.lc-faq-item {
  border-bottom: 1px solid var(--lc-color-border);
}

.lc-faq-item:last-child {
  border-bottom: none;
}

.lc-faq-question {
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--lc-color-text-main);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: background-color 0.15s ease;
}

.lc-faq-question:hover {
  background-color: var(--lc-color-surface-subtle);
}

.lc-faq-question::-webkit-details-marker {
  display: none;
}

.lc-faq-icon {
  width: 18px;
  height: 18px;
  color: var(--lc-color-text-muted);
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.lc-faq-item[open] .lc-faq-icon {
  transform: rotate(180deg);
  color: var(--lc-color-primary);
}

.lc-faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: 0.95rem;
  color: var(--lc-color-text-body);
  line-height: 1.7;
  background-color: var(--lc-color-surface);
}

/* Final CTA */
.lc-final-cta {
  padding: 5.5rem 0;
  background: var(--lc-color-border-dark);
  color: #ffffff;
  text-align: center;
  border-top: 1px solid var(--lc-color-border-strong);
}

.lc-final-cta__content {
  max-width: 680px;
  margin: 0 auto;
}

.lc-final-cta__title {
  color: #ffffff;
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.lc-final-cta__desc {
  color: #94a3b8;
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* Footer (Structured 4-Quadrant Technical Layout) */
.lc-footer {
  background: #ffffff;
  border-top: 1px solid var(--lc-color-border-strong);
  padding: 3.5rem 0 2rem 0;
  margin-top: auto;
}

.lc-footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--lc-color-border);
}

.lc-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
}

.lc-footer__link {
  font-size: 0.9rem;
  color: var(--lc-color-text-body);
  font-weight: 500;
}

.lc-footer__link:hover {
  color: var(--lc-color-primary);
}

.lc-footer__bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--lc-color-text-muted);
}

.lc-footer__disclosure {
  font-size: 0.85rem;
  color: var(--lc-color-text-muted);
}

/* Articles & Guides Layout (Precision Technical Article Layout) */
.lc-article-page {
  padding: 3rem 0 5rem 0;
}

.lc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--lc-font-mono);
  font-size: 0.825rem;
  color: var(--lc-color-text-muted);
  margin-bottom: 2rem;
}

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

.lc-article-layout {
  max-width: 840px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--lc-color-border-strong);
  border-radius: var(--lc-radius-md);
  padding: 3.5rem;
  box-shadow: var(--lc-shadow-hairline);
}

.lc-article__header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--lc-color-border-strong);
}

.lc-article__meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--lc-font-mono);
  font-size: 0.825rem;
  color: var(--lc-color-text-muted);
  margin-top: 1rem;
}

.lc-article__content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #1e293b;
}

.lc-article__content h2 {
  text-align: left;
  font-size: 1.5rem;
  margin-top: 2.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--lc-color-border);
}

.lc-article__content h3 {
  font-size: 1.2rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.lc-article__content p {
  margin-bottom: 1.25rem;
}

.lc-article__content ul, .lc-article__content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.lc-article__content li {
  margin-bottom: 0.5rem;
}

.lc-article__content blockquote {
  border-left: 3px solid var(--lc-color-primary);
  background: var(--lc-color-surface-subtle);
  padding: 1rem 1.25rem;
  margin: 1.75rem 0;
  color: var(--lc-color-text-body);
}

.lc-article__cta-box {
  margin: 3.5rem 0;
  padding: 2.25rem;
  background: var(--lc-color-primary-light);
  border: 1px solid var(--lc-color-primary-border);
  border-radius: var(--lc-radius-md);
  text-align: center;
}

.lc-article__cta-title {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--lc-color-text-main);
}

.lc-article__cta-desc {
  font-size: 0.95rem;
  color: var(--lc-color-text-body);
  margin-bottom: 1.25rem;
}

.lc-article__related {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--lc-color-border-strong);
}

.lc-article__related-title {
  font-size: 1.15rem;
  margin-bottom: 1rem;
}

.lc-article__related-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Guides Hub Cards (Swiss Grid Catalog) */
.lc-guides-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-top: 2rem;
}

.lc-guide-card {
  background: #ffffff;
  border: 1px solid var(--lc-color-border-strong);
  border-radius: var(--lc-radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.lc-guide-card:hover {
  border-color: var(--lc-color-primary);
  box-shadow: var(--lc-shadow-hard);
}

.lc-guide-card__body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.lc-guide-card__meta {
  font-family: var(--lc-font-mono);
  font-size: 0.8rem;
  color: var(--lc-color-text-muted);
  margin-bottom: 0.75rem;
}

.lc-guide-card__title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.lc-guide-card__title a {
  color: var(--lc-color-text-main);
}

.lc-guide-card__title a:hover {
  color: var(--lc-color-primary);
}

.lc-guide-card__excerpt {
  font-size: 0.925rem;
  color: var(--lc-color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.lc-guide-card__footer {
  margin-top: auto;
}

/* Legal Pages */
.lc-legal-content {
  max-width: 840px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--lc-color-border-strong);
  border-radius: var(--lc-radius-md);
  padding: 3.5rem;
}

.lc-legal-content h1 {
  margin-bottom: 1rem;
}

.lc-legal-content .lc-legal-date {
  font-family: var(--lc-font-mono);
  font-size: 0.85rem;
  color: var(--lc-color-text-muted);
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--lc-color-border);
}

.lc-legal-content h2 {
  text-align: left;
  font-size: 1.35rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.lc-legal-content p, .lc-legal-content ul {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--lc-color-text-body);
  margin-bottom: 1.25rem;
}

/* Mobile Sticky Bottom CTA */
.lc-mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--lc-color-border-strong);
  padding: 0.75rem 1.25rem;
  z-index: 99;
  box-shadow: 0 -2px 8px rgba(15, 23, 42, 0.08);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .lc-hero__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .lc-pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .lc-scenarios-grid {
    grid-template-columns: 1fr;
  }
  .lc-showcase {
    grid-template-columns: 1fr;
  }
  .lc-guides-grid {
    grid-template-columns: 1fr;
  }
  .lc-badge-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .lc-nav {
    display: none;
    position: absolute;
    top: var(--lc-nav-height);
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--lc-color-border-strong);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
  }
  .lc-nav.is-open {
    display: flex;
  }
  .lc-nav-toggle {
    display: block;
  }
  .lc-features-grid {
    grid-template-columns: 1fr;
  }
  .lc-hero__title {
    font-size: 2rem;
  }
  .lc-hero__trust {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .lc-article-layout, .lc-legal-content {
    padding: 1.75rem;
  }
  .lc-mobile-sticky-cta {
    display: block;
  }
  body {
    padding-bottom: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}