:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: rgba(30, 30, 50, 0.65);
  --bg-glass: rgba(255, 255, 255, 0.06);
  --bg-glass-hover: rgba(255, 255, 255, 0.1);
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-muted: #6c6c85;
  --accent-1: #7c3aed;
  --accent-2: #ec4899;
  --accent-3: #06b6d4;
  --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #ec4899 50%, #f97316 100%);
  --accent-gradient-2: linear-gradient(135deg, #06b6d4 0%, #7c3aed 100%);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.25);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-height: 72px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #f5f5fa;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.75);
    --bg-glass: rgba(255, 255, 255, 0.6);
    --bg-glass-hover: rgba(255, 255, 255, 0.85);
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #8888a0;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.12);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-base), color var(--transition-base);
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(124, 58, 237, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(236, 72, 153, 0.08), transparent),
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(6, 182, 212, 0.06), transparent);
  pointer-events: none;
  z-index: -1;
}

::selection {
  background: rgba(124, 58, 237, 0.4);
  color: #fff;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-1), var(--accent-2));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent-2), var(--accent-3));
}

a {
  color: var(--accent-3);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--accent-2);
}

a:focus-visible {
  outline: 2px solid var(--accent-1);
  outline-offset: 2px;
  border-radius: 4px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(15, 15, 26, 0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

@media (prefers-color-scheme: light) {
  header {
    background: rgba(245, 245, 250, 0.78);
  }
}

header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(15, 15, 26, 0.88);
}

@media (prefers-color-scheme: light) {
  header.scrolled {
    background: rgba(245, 245, 250, 0.92);
  }
}

header nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

header nav > a:first-child {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  position: relative;
  transition: opacity var(--transition-fast);
}

header nav > a:first-child:hover {
  opacity: 0.85;
  -webkit-text-fill-color: transparent;
}

header nav > a:first-child::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: width var(--transition-base);
}

header nav > a:first-child:hover::after {
  width: 100%;
}

header nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

header nav ul li a {
  display: block;
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

header nav ul li a::before {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: transform var(--transition-base);
}

header nav ul li a:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

header nav ul li a:hover::before {
  transform: translateX(-50%) scaleX(1);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
}

section {
  margin-bottom: 64px;
  opacity: 0;
  transform: translateY(32px);
  animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

section:nth-child(1) { animation-delay: 0.05s; }
section:nth-child(2) { animation-delay: 0.1s; }
section:nth-child(3) { animation-delay: 0.15s; }
section:nth-child(4) { animation-delay: 0.2s; }
section:nth-child(5) { animation-delay: 0.25s; }
section:nth-child(6) { animation-delay: 0.3s; }
section:nth-child(7) { animation-delay: 0.35s; }
section:nth-child(8) { animation-delay: 0.4s; }
section:nth-child(9) { animation-delay: 0.45s; }
section:nth-child(10) { animation-delay: 0.5s; }
section:nth-child(11) { animation-delay: 0.55s; }
section:nth-child(12) { animation-delay: 0.6s; }
section:nth-child(13) { animation-delay: 0.65s; }
section:nth-child(14) { animation-delay: 0.7s; }
section:nth-child(15) { animation-delay: 0.75s; }
section:nth-child(16) { animation-delay: 0.8s; }
section:nth-child(17) { animation-delay: 0.85s; }
section:nth-child(18) { animation-delay: 0.9s; }
section:nth-child(19) { animation-delay: 0.95s; }
section:nth-child(20) { animation-delay: 1s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  position: relative;
  padding-left: 20px;
  line-height: 1.35;
}

section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 4px;
  background: var(--accent-gradient);
  border-radius: 4px;
}

section h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 28px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

section p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-size: 0.95rem;
  line-height: 1.85;
}

section > p:first-of-type {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

#hero {
  position: relative;
  padding: 60px 40px;
  border-radius: var(--radius-xl);
  background: var(--accent-gradient);
  overflow: hidden;
  margin-bottom: 72px;
  box-shadow: var(--shadow-glow);
  animation-delay: 0s;
}

#hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.15), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1), transparent 50%);
  pointer-events: none;
}

#hero::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: heroFloat 8s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, 20px) scale(1.1); }
}

#hero h1 {
  position: relative;
  z-index: 1;
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

#hero p {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.05rem;
  line-height: 1.9;
  max-width: 800px;
}

#brand,
#products,
#solutions,
#cases,
#news,
#articles,
#faq,
#howto,
#contact,
#sitemap,
#links,
#privacy,
#disclaimer,
#copyright,
#security,
#update {
  background: var(--bg-card);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

#brand:hover,
#products:hover,
#solutions:hover,
#cases:hover,
#news:hover,
#articles:hover,
#faq:hover,
#howto:hover,
#contact:hover,
#sitemap:hover,
#links:hover,
#privacy:hover,
#disclaimer:hover,
#copyright:hover,
#security:hover,
#update:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

#products h3,
#solutions h3 {
  padding: 16px 20px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent-1);
  margin-top: 20px;
  margin-bottom: 10px;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

#products h3:hover,
#solutions h3:hover {
  background: var(--bg-glass-hover);
  border-left-color: var(--accent-2);
  transform: translateX(4px);
}

#cases h3 {
  padding: 16px 20px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent-3);
  margin-top: 20px;
  margin-bottom: 10px;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

#cases h3:hover {
  background: var(--bg-glass-hover);
  border-left-color: var(--accent-2);
  transform: translateX(4px);
}

#news h3 {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 18px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  margin-top: 16px;
  margin-bottom: 8px;
  font-size: 1.05rem;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

#news h3::before {
  content: "📰";
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

#news h3:hover {
  background: var(--bg-glass-hover);
  transform: translateX(4px);
}

#articles article {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

#articles article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

#articles article:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

#articles article:hover::before {
  transform: scaleX(1);
}

#articles article h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.1rem;
  transition: color var(--transition-fast);
}

#articles article:hover h3 {
  color: var(--accent-3);
}

#articles article p:first-of-type {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

#articles article p:first-of-type::before {
  content: "🕐";
  font-size: 0.75rem;
}

#articles article p:nth-of-type(2) {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 14px;
}

#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-3);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

#articles article a::after {
  content: "→";
  transition: transform var(--transition-fast);
}

#articles article a:hover {
  color: var(--accent-2);
  gap: 10px;
}

#articles article a:hover::after {
  transform: translateX(4px);
}

#faq h3 {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 22px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  margin-top: 20px;
  margin-bottom: 8px;
  font-size: 1rem;
  border-left: 3px solid var(--accent-1);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  cursor: default;
}

#faq h3::before {
  content: "Q";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  min-width: 26px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 2px;
}

#faq h3:hover {
  background: var(--bg-glass-hover);
  border-left-color: var(--accent-2);
  transform: translateX(4px);
}

#faq h3 + p {
  padding: 0 22px 0 60px;
  margin-bottom: 4px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

#howto h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
  margin-top: 24px;
  margin-bottom: 12px;
}

#howto h3:first-of-type {
  margin-top: 0;
}

#howto h3::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-gradient);
  flex-shrink: 0;
}

#howto p {
  padding-left: 18px;
  border-left: 2px solid var(--border-color);
  margin-left: 3px;
}

#howto p:last-of-type {
  border-left-color: var(--accent-1);
  background: var(--bg-glass);
  padding: 16px 18px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: 16px;
  font-weight: 500;
  color: var(--text-primary);
}

#contact h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  padding: 14px 18px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  margin-top: 16px;
  margin-bottom: 8px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

#contact h3:hover {
  background: var(--bg-glass-hover);
  transform: translateX(4px);
}

#contact h3::before {
  content: "📞";
  font-size: 1rem;
}

#contact h3:nth-of-type(2)::before { content: "📱"; }
#contact h3:nth-of-type(3)::before { content: "📧"; }
#contact h3:nth-of-type(4)::before { content: "🕐"; }
#contact h3:nth-of-type(5)::before { content: "✅"; }
#contact h3:nth-of-type(6)::before { content: "💬"; }

#contact p {
  padding-left: 18px;
}

#sitemap ul,
#links ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

#sitemap ul li a,
#links ul li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

#sitemap ul li a::before,
#links ul li a::before {
  content: "›";
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-1);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

#sitemap ul li a:hover,
#links ul li a:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

#sitemap ul li a:hover::before,
#links ul li a:hover::before {
  transform: translateX(4px);
  color: var(--accent-2);
}

#privacy,
#disclaimer,
#copyright,
#security,
#update {
  padding: 32px 36px;
}

#update p {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  padding: 10px 16px;
  background: var(--bg-glass);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  transition: background var(--transition-fast);
}

#update p:hover {
  background: var(--bg-glass-hover);
}

#update p::before {
  content: "📅";
  font-size: 0.85rem;
}

#update p:nth-child(2)::before { content: "✏️"; }
#update p:nth-child(3)::before { content: "👤"; }
#update p:nth-child(4)::before { content: "👤"; }

footer {
  position: relative;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 24px;
  text-align: center;
  transition: background var(--transition-base);
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0.6;
}

footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 12px;
  line-height: 1.8;
}

footer p:last-child {
  margin-bottom: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

footer p:last-child a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

footer p:last-child a:hover {
  color: var(--accent-3);
  background: var(--bg-glass);
}

@media (max-width: 1024px) {
  :root {
    --header-height: 64px;
  }

  header nav {
    padding: 0 20px;
  }

  header nav ul {
    gap: 2px;
  }

  header nav ul li a {
    padding: 6px 10px;
    font-size: 0.8rem;
  }

  main {
    padding: 0 20px;
    padding-top: calc(var(--header-height) + 32px);
    padding-bottom: 60px;
  }

  #hero {
    padding: 48px 32px;
  }

  #hero h1 {
    font-size: 2rem;
  }

  section h2 {
    font-size: 1.5rem;
  }

  #brand,
  #products,
  #solutions,
  #cases,
  #news,
  #articles,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links,
  #privacy,
  #disclaimer,
  #copyright,
  #security,
  #update {
    padding: 32px 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  body {
    font-size: 15px;
  }

  header nav {
    padding: 0 16px;
    flex-wrap: wrap;
    height: auto;
    min-height: var(--header-height);
    padding-top: 10px;
    padding-bottom: 10px;
    gap: 8px;
  }

  header nav > a:first-child {
    font-size: 1.25rem;
  }

  header nav ul {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
    gap: 0;
  }

  header nav ul::-webkit-scrollbar {
    display: none;
  }

  header nav ul li a {
    padding: 6px 10px;
    font-size: 0.78rem;
    white-space: nowrap;
  }

  main {
    padding: 0 16px;
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 48px;
  }

  #hero {
    padding: 36px 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 48px;
  }

  #hero h1 {
    font-size: 1.5rem;
    line-height: 1.35;
  }

  #hero p {
    font-size: 0.9rem;
  }

  section {
    margin-bottom: 40px;
  }

  section h2 {
    font-size: 1.3rem;
    margin-bottom: 18px;
    padding-left: 16px;
  }

  section h2::before {
    width: 3px;
  }

  section h3 {
    font-size: 1.05rem;
    margin-top: 22px;
  }

  section p {
    font-size: 0.88rem;
  }

  #brand,
  #products,
  #solutions,
  #cases,
  #news,
  #articles,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links,
  #privacy,
  #disclaimer,
  #copyright,
  #security,
  #update {
    padding: 24px 20px;
    border-radius: var(--radius-md);
  }

  #articles article {
    padding: 18px;
  }

  #articles article h3 {
    font-size: 1rem;
  }

  #faq h3 {
    padding: 14px 16px;
    font-size: 0.92rem;
    gap: 10px;
  }

  #faq h3::before {
    width: 22px;
    height: 22px;
    min-width: 22px;
    font-size: 0.68rem;
  }

  #faq h3 + p {
    padding-left: 48px;
    font-size: 0.85rem;
  }

  #sitemap ul,
  #links ul {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
  }

  #sitemap ul li a,
  #links ul li a {
    padding: 10px 12px;
    font-size: 0.82rem;
  }

  #contact h3 {
    font-size: 0.95rem;
    padding: 12px 14px;
  }

  footer {
    padding: 32px 16px;
  }

  footer p {
    font-size: 0.78rem;
  }

  footer p:last-child a {
    font-size: 0.78rem;
  }
}

@media (max-width: 480px) {
  #hero {
    padding: 28px 18px;
  }

  #hero h1 {
    font-size: 1.25rem;
  }

  #hero p {
    font-size: 0.85rem;
    line-height: 1.8;
  }

  section h2 {
    font-size: 1.15rem;
  }

  section h3 {
    font-size: 0.95rem;
  }

  #brand,
  #products,
  #solutions,
  #cases,
  #news,
  #articles,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links,
  #privacy,
  #disclaimer,
  #copyright,
  #security,
  #update {
    padding: 20px 16px;
  }

  #sitemap ul,
  #links ul {
    grid-template-columns: 1fr 1fr;
  }

  #articles article {
    padding: 14px;
  }

  #articles article h3 {
    font-size: 0.92rem;
  }

  #faq h3 {
    padding: 12px 14px;
    font-size: 0.85rem;
  }

  #faq h3 + p {
    padding-left: 40px;
    font-size: 0.82rem;
  }
}

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

  section {
    opacity: 1;
    transform: none;
  }
}

@media print {
  header,
  footer,
  #hero::after {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  section {
    opacity: 1;
    transform: none;
    box-shadow: none;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}