/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Brand colors */
  --primary: #F34865;
  --primary-hover: #E03A56;
  --primary-light: #FFD1D8;
  
  /* Neutral colors */
  --background: #ffffff;
  --foreground: #333333;
  --foreground-secondary: #666666;
  --foreground-light: #999999;
  --border: #e0e0e0;
  --border-light: #f0f0f0;
  
  /* Backgrounds */
  --bg-gray: #f9f9f9;
  --bg-white: #ffffff;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Typography */
  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.5rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms;
  --transition-normal: 300ms;
  --transition-slow: 500ms;
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
  :root {
    --background: #0a0a0a;
    --foreground: #ededed;
    --foreground-secondary: #a1a1aa;
    --foreground-light: #71717a;
    --border: #2a2a2a;
    --border-light: #1a1a1a;
    --bg-gray: #111111;
    --bg-white: #1a1a1a;
  }
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  line-height: var(--line-height-normal);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--primary);
}

.logo a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--primary);
  transition: opacity var(--transition-fast);
}

.logo a:hover {
  opacity: 0.8;
}

.logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}

.mobile-menu-btn span {
  width: 100%;
  height: 3px;
  background: var(--foreground);
  border-radius: 3px;
  transition: all var(--transition-normal);
  transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--foreground);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-fast);
}

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

/* Section */
.section {
  padding: var(--spacing-2xl) 0;
}

.section:nth-child(even) {
  background: var(--bg-gray);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--foreground);
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--foreground-secondary);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

/* Hero Section */
.hero {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, #fff5f6 0%, #ffffff 100%);
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero-text {
  flex: 1;
  max-width: 500px;
}

.hero-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  color: var(--foreground);
  line-height: var(--line-height-tight);
}

.hero-subtitle {
  font-size: var(--font-size-md);
  color: var(--foreground-secondary);
  margin-bottom: var(--spacing-lg);
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--foreground);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xs);
}

.hero-image {
  flex: 1;
  max-width: 400px;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-light);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--foreground-secondary);
  margin-top: var(--spacing-xs);
}

.hero-details {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--bg-gray);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
}

.detail-text {
  font-size: var(--font-size-sm);
  color: var(--foreground-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.service-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
  color: var(--foreground);
}

.service-desc {
  font-size: var(--font-size-sm);
  color: var(--foreground-secondary);
  line-height: var(--line-height-relaxed);
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, #FFF5F6 0%, #FFE6EA 100%);
}

.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
}

.cta-text {
  flex: 1;
}

.cta-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--foreground);
}

.cta-desc {
  font-size: var(--font-size-md);
  color: var(--foreground-secondary);
  line-height: var(--line-height-relaxed);
}

.cta-qrcodes {
  display: flex;
  gap: var(--spacing-lg);
}

.qrcode-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  margin: 0;
  padding: 0;
}

.qrcode-wrapper {
  width: 200px;
  height: 200px;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.qrcode-wrapper:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.qrcode-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qrcode-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--foreground);
  margin: 0;
  text-align: center;
}

/* How To Section */
.howto-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.step-content {
  flex: 1;
}

.step-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
  color: var(--foreground);
}

.step-text {
  font-size: var(--font-size-sm);
  color: var(--foreground-secondary);
  line-height: var(--line-height-relaxed);
}

/* Reviews Section */
.reviews-showcase {
  margin-top: var(--spacing-lg);
}

.reviews-card-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.reviews-actions {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.reviews-actions-bottom {
  margin-top: var(--spacing-lg);
}

.reviews-more-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #f34865 0%, #ff7f96 100%);
  color: #ffffff;
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  box-shadow: 0 16px 28px rgba(243, 72, 101, 0.2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.reviews-more-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 34px rgba(243, 72, 101, 0.24);
}

.reviews-card-item {
  position: relative;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(243, 72, 101, 0.08);
  border-radius: 22px;
  padding: 1rem 1rem 1rem 1.1rem;
  box-shadow: 0 12px 28px rgba(31, 24, 24, 0.06);
  overflow: hidden;
}

.reviews-card-item.is-page {
  height: 100%;
}

.reviews-card-empty {
  color: #8e7373;
  text-align: center;
}

.reviews-card-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #ff7f96 0%, #f34865 55%, #ffb36c 100%);
}

.reviews-card-item::after {
  content: '★★★★★';
  display: inline-flex;
  align-items: center;
  margin-top: 0.85rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background: #fff4f6;
  color: #f34865;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.reviews-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.reviews-card-meta strong {
  font-size: 1rem;
  color: #2b2223;
}

.reviews-card-service {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: #fff4f6;
  color: #d84d68;
  font-size: 0.78rem;
  font-weight: var(--font-weight-semibold);
}

.reviews-card-meta span {
  font-size: var(--font-size-xs);
  color: #a69390;
}

.reviews-card-text {
  color: #3b2f30;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-sm);
}

.reviews-card-footer {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-full);
  background: linear-gradient(180deg, #fff4f0 0%, #fff8f8 100%);
  color: #8d7271;
  font-size: var(--font-size-xs);
  box-shadow: inset 0 0 0 1px rgba(243, 72, 101, 0.08);
}

.reviews-card-footer strong {
  color: #d84d68;
}

.reviews-page-shell {
  padding: var(--spacing-xl) 0 var(--spacing-2xl);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.reviews-pagination-shell {
  display: grid;
  gap: 1rem;
  justify-items: center;
  margin-top: var(--spacing-xl);
}

.reviews-pagination-summary {
  color: #7b6563;
  font-size: var(--font-size-sm);
  text-align: center;
}

.reviews-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
}

.reviews-page-btn,
.reviews-page-ellipsis {
  min-width: 44px;
  min-height: 44px;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  font-size: var(--font-size-sm);
}

.reviews-page-btn {
  border: 1px solid rgba(243, 72, 101, 0.14);
  background: rgba(255, 255, 255, 0.96);
  color: #7c585c;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  box-shadow: 0 10px 24px rgba(31, 24, 24, 0.05);
}

.reviews-page-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(243, 72, 101, 0.28);
  color: #d84d68;
}

.reviews-page-btn.is-active {
  border-color: transparent;
  background: linear-gradient(135deg, #f34865 0%, #ff7f96 100%);
  color: #ffffff;
  box-shadow: 0 14px 28px rgba(243, 72, 101, 0.2);
}

.reviews-page-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.reviews-page-nav {
  min-width: 88px;
}

.reviews-page-ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #b39c99;
}

@media (max-width: 1080px) {
  .reviews-card-list,
  .reviews-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.review-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.review-card img {
  width: 100%;
  height: auto;
  display: block;
}

/* FAQ Section */
.faq-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-item[open] {
  box-shadow: var(--shadow-md);
}

/* Reset summary default styles */
.faq-item summary {
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  user-select: none;
}

.faq-question:hover {
  background: var(--bg-gray);
}

.faq-question span:first-child {
  flex: 1;
  font-weight: var(--font-weight-medium);
  color: var(--foreground);
  font-size: var(--font-size-sm);
}

.faq-toggle {
  flex-shrink: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary);
  transition: transform var(--transition-fast);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item[open] .faq-answer {
  max-height: 200px;
  padding: 0 var(--spacing-md) var(--spacing-md);
  animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.faq-answer p {
  color: var(--foreground-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* Footer */
.footer {
  background: var(--foreground);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.footer-logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.footer-logo span {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.footer-desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  gap: var(--spacing-xl);
}

.footer-link-item strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
}

.footer-link-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-xs);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-xs);
  margin-bottom: var(--spacing-xs);
}

.icp-link {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-demo-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-demo-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

.icp-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  /* Container */
  .container {
    padding: 0 var(--spacing-sm);
  }

  /* Header Navigation */
  .mobile-menu-btn {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    padding-top: 60px;
    box-shadow: var(--shadow-lg);
  }

  .nav.active {
    transform: translateX(0);
  }

  .nav-link {
    font-size: var(--font-size-xl);
  }

  /* Section */
  .section {
    padding: var(--spacing-lg) 0;
  }

  .section-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
  }

  .section-subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
  }

  /* Hero Section */
  .hero {
    padding: var(--spacing-lg) 0;
  }

  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-lg);
  }
  
  .hero-text {
    max-width: 100%;
  }

  .hero-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
  }

  .hero-subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
  }

  .hero-features {
    align-items: center;
    gap: var(--spacing-xs);
  }

  .feature-item {
    font-size: var(--font-size-xs);
  }

  .hero-image {
    max-width: 100%;
  }

  .hero-stats {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
  }

  .stat-number {
    font-size: var(--font-size-lg);
  }

  .stat-label {
    font-size: var(--font-size-xs);
  }

  .hero-details {
    text-align: left;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
  }

  .detail-text {
    font-size: var(--font-size-xs);
  }

  /* Services Section */
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .service-card {
    padding: var(--spacing-md);
  }

  .service-icon {
    font-size: 2.5rem;
  }

  .service-title {
    font-size: var(--font-size-md);
  }

  .service-desc {
    font-size: var(--font-size-xs);
  }

  /* How To Section */
  .howto-steps {
    gap: var(--spacing-md);
  }

  .step-item {
    gap: var(--spacing-sm);
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-md);
  }

  .step-title {
    font-size: var(--font-size-md);
  }

  .step-text {
    font-size: var(--font-size-xs);
  }

  /* Reviews Section */
  .reviews-showcase {
    margin-top: var(--spacing-md);
  }

  .reviews-card-item {
    padding: var(--spacing-sm);
    border-radius: 18px;
  }

  .reviews-card-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .reviews-card-text {
    font-size: var(--font-size-xs);
  }

  .reviews-actions {
    justify-content: stretch;
  }

  .reviews-more-link {
    width: 100%;
  }

  .reviews-card-list,
  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .reviews-pagination-shell {
    margin-top: var(--spacing-lg);
  }

  .reviews-pagination {
    gap: 0.5rem;
  }

  .reviews-page-btn,
  .reviews-page-ellipsis {
    min-width: 40px;
    min-height: 40px;
    padding: 0.55rem 0.8rem;
    font-size: var(--font-size-xs);
  }

  .reviews-page-nav {
    min-width: 76px;
  }

  /* FAQ Section */
  .faq-list {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .faq-item {
    margin-bottom: var(--spacing-xs);
  }

  .faq-question {
    padding: var(--spacing-sm);
  }

  .faq-question span:first-child {
    font-size: var(--font-size-xs);
  }

  .faq-toggle {
    font-size: var(--font-size-lg);
  }

  .faq-answer {
    padding: var(--spacing-sm);
    font-size: var(--font-size-xs);
  }

  /* CTA Section */
  .cta-section {
    padding: var(--spacing-lg) 0;
  }

  .cta-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-lg);
  }

  .cta-title {
    font-size: var(--font-size-lg);
  }

  .cta-desc {
    font-size: var(--font-size-sm);
  }

  .cta-qrcodes {
    justify-content: center;
    gap: var(--spacing-md);
  }

  .qrcode-wrapper {
    width: 140px;
    height: 140px;
    padding: var(--spacing-sm);
  }

  .qrcode-label {
    font-size: var(--font-size-xs);
  }

  /* Footer */
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .footer-bottom {
    font-size: var(--font-size-xs);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  /* Services */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* FAQ */
  .faq-list {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Hero */
  .hero-stats {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Small mobile optimization */
@media (max-width: 480px) {
  /* Logo */
  .logo {
    font-size: var(--font-size-md);
  }

  .logo img {
    width: 40px;
    height: 40px;
  }

  /* Section */
  .section {
    padding: var(--spacing-md) 0;
  }

  .section-title {
    font-size: var(--font-size-lg);
  }

  /* Hero */
  .hero-title {
    font-size: var(--font-size-lg);
  }

  .hero-subtitle {
    font-size: var(--font-size-xs);
  }

  .hero-stats {
    gap: var(--spacing-sm);
  }

  .stat-number {
    font-size: var(--font-size-md);
  }

  /* Services */
  .service-card {
    padding: var(--spacing-sm);
  }

  .service-icon {
    font-size: 2rem;
  }

  /* How To */
  .step-number {
    width: 36px;
    height: 36px;
    font-size: var(--font-size-sm);
  }

  /* CTA */
  .cta-qrcodes {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .qrcode-wrapper {
    width: 120px;
    height: 120px;
  }
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* WeCom demo page */
.demo-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(243, 72, 101, 0.16), transparent 32%),
    linear-gradient(135deg, #fffaf6 0%, #f7f2ea 45%, #fdfdfd 100%);
}

.wecom-demo-page {
  padding: var(--spacing-xl) 0;
}

.wecom-demo-shell {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.demo-back-link {
  width: fit-content;
  color: var(--foreground);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
}

.demo-back-link:hover {
  color: var(--primary);
}

.wecom-demo-hero {
  padding: var(--spacing-lg) 0 var(--spacing-2xl);
}

.wecom-demo-intro {
  max-width: 760px;
}

.demo-eyebrow {
  margin-bottom: var(--spacing-xs);
  color: #9b5b43;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
}

.demo-title {
  font-size: 3rem;
  line-height: 1.05;
  margin-bottom: var(--spacing-sm);
}

.demo-subtitle {
  max-width: 680px;
  color: var(--foreground-secondary);
  font-size: var(--font-size-md);
}

.demo-tip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.demo-tip-item {
  padding: 0.65rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(155, 91, 67, 0.12);
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-xs);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.demo-card {
  padding: var(--spacing-lg);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 20px 50px rgba(77, 48, 33, 0.08);
  backdrop-filter: blur(12px);
}

.demo-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.demo-card-head h2 {
  font-size: 1.25rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
}

.status-waiting {
  background: #fff0c7;
  color: #8a5c00;
}

.status-ready {
  background: #dff4df;
  color: #216b37;
}

.status-error {
  background: #ffe1de;
  color: #a12e26;
}

.status-muted {
  background: #ece8e1;
  color: #65584d;
}

.demo-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--spacing-sm);
}

.demo-field span {
  font-size: var(--font-size-xs);
  color: var(--foreground-secondary);
}

.demo-field input,
.demo-field textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(101, 88, 77, 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--foreground);
  font: inherit;
}

.demo-field input:focus,
.demo-field textarea:focus {
  outline: none;
  border-color: rgba(243, 72, 101, 0.6);
  box-shadow: 0 0 0 4px rgba(243, 72, 101, 0.1);
}

.demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.demo-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.demo-actions-stack {
  flex-direction: column;
}

.demo-button,
.demo-link-button {
  border: none;
  cursor: pointer;
  font: inherit;
}

.demo-button {
  min-height: 48px;
  padding: 0.9rem 1.25rem;
  border-radius: 16px;
  font-weight: var(--font-weight-semibold);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.demo-button:hover,
.demo-link-button:hover {
  opacity: 0.92;
}

.demo-button:active {
  transform: translateY(1px);
}

.demo-button-primary {
  background: linear-gradient(135deg, #f34865 0%, #ff8059 100%);
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(243, 72, 101, 0.22);
}

.demo-button-secondary {
  background: #f4ede4;
  color: #513d31;
}

.demo-link-button {
  background: transparent;
  color: var(--primary);
}

.demo-note {
  margin-top: var(--spacing-md);
  color: var(--foreground-secondary);
  font-size: var(--font-size-xs);
}

.result-block {
  margin-top: var(--spacing-md);
  display: grid;
  gap: var(--spacing-sm);
}

.result-item {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(244, 237, 228, 0.8);
}

.result-label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--foreground-secondary);
  font-size: var(--font-size-xs);
}

.result-value {
  word-break: break-all;
  color: #6c2c25;
}

.demo-log-card {
  min-height: 280px;
}

.demo-log {
  min-height: 220px;
  padding: 1rem;
  border-radius: 18px;
  background: #1d1d1d;
  color: #f8f4ed;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.9rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .wecom-demo-page {
    padding: var(--spacing-md) 0 var(--spacing-xl);
  }

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

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

  .demo-card {
    padding: var(--spacing-md);
    border-radius: 20px;
  }

  .demo-inline-actions {
    flex-direction: column;
  }

  .demo-card-head {
    align-items: flex-start;
    flex-direction: column;
  }
}