:root {
  --bg: #0b1020;
  --bg-elevated: #111834;
  --bg-card: rgba(255, 255, 255, 0.06);
  --bg-card-hover: rgba(255, 255, 255, 0.1);
  --text: #e8ecf8;
  --text-secondary: #a8b2cc;
  --text-muted: #6b7694;
  --primary: #1f6feb;
  --primary-glow: rgba(31, 111, 235, 0.35);
  --accent: #7c3aed;
  --accent-glow: rgba(124, 58, 237, 0.35);
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.3);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);
  --glass: rgba(17, 24, 52, 0.65);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 40px rgba(31, 111, 235, 0.15);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.18s ease;
  --max-width: 1200px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f0f2f8;
    --bg-elevated: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.72);
    --bg-card-hover: rgba(255, 255, 255, 0.92);
    --text: #1a1f36;
    --text-secondary: #4a5578;
    --text-muted: #8892b0;
    --primary: #1a5fd4;
    --primary-glow: rgba(26, 95, 212, 0.2);
    --accent: #6d28d9;
    --accent-glow: rgba(109, 40, 217, 0.2);
    --cyan: #0891b2;
    --cyan-glow: rgba(8, 145, 178, 0.2);
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.16);
    --glass: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(0, 0, 0, 0.06);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(26, 95, 212, 0.08);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(31, 111, 235, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 80% 10%, rgba(124, 58, 237, 0.1), transparent),
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(6, 182, 212, 0.08), transparent);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--primary);
  color: #fff;
}

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

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

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

a:hover {
  color: var(--primary);
  opacity: 0.9;
}

a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 3px;
}

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

ul,
ol {
  list-style: none;
}

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition), box-shadow var(--transition);
}

header:hover {
  box-shadow: var(--shadow-md);
}

header nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}

header nav > a:first-child {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--primary), var(--accent), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: transform var(--transition);
}

header nav > a:first-child:hover {
  transform: scale(1.04);
  opacity: 1;
}

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

header nav ul li a {
  display: inline-block;
  padding: 6px 12px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

header nav ul li a:hover {
  color: var(--text);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
  opacity: 1;
}

/* ===== MAIN ===== */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HERO ===== */
#hero {
  position: relative;
  padding: 80px 0 60px;
  text-align: center;
  overflow: hidden;
}

#hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(31, 111, 235, 0.15) 0%,
    rgba(124, 58, 237, 0.12) 40%,
    rgba(6, 182, 212, 0.1) 100%);
  border-radius: var(--radius-xl);
  z-index: -1;
  animation: heroGradient 8s ease-in-out infinite alternate;
}

@keyframes heroGradient {
  0% { opacity: 0.7; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.02); }
}

#hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 0%, #a8b2cc 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInUp 0.8s ease-out both;
}

#hero > p {
  max-width: 720px;
  margin: 0 auto 16px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

#hero > p:nth-of-type(2) {
  animation-delay: 0.2s;
  font-size: 1rem;
  color: var(--text-muted);
}

#hero figure {
  margin: 48px auto 0;
  max-width: 1000px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: fadeInUp 0.8s ease-out 0.3s both;
  transition: transform var(--transition), box-shadow var(--transition);
}

#hero figure:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(31, 111, 235, 0.25);
}

#hero figure svg {
  width: 100%;
  display: block;
}

#hero figcaption {
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-align: center;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== SECTION BASE ===== */
section {
  padding: 56px 0;
  animation: fadeInUp 0.6s ease-out both;
}

section h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 14px;
  color: var(--text);
}

section h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 56px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--cyan));
}

section h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 28px 0 12px;
  color: var(--text);
  transition: color var(--transition-fast);
}

section h3:hover {
  color: var(--cyan);
}

section h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 20px 0 10px;
  color: var(--text-secondary);
}

section p {
  margin-bottom: 14px;
  color: var(--text-secondary);
}

section ul,
section ol {
  margin: 12px 0 20px 20px;
  color: var(--text-secondary);
}

section ul li,
section ol li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 6px;
}

section ul li::marker {
  color: var(--cyan);
}

section ol li::marker {
  color: var(--primary);
  font-weight: 600;
}

/* ===== ANCHOR NAV ===== */
nav[aria-label="页面锚点导航"] {
  padding: 32px 0;
  animation: fadeInUp 0.6s ease-out 0.15s both;
}

nav[aria-label="页面锚点导航"] h2 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  padding-bottom: 10px;
}

nav[aria-label="页面锚点导航"] h2::after {
  width: 40px;
  height: 2px;
}

nav[aria-label="页面锚点导航"] ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

nav[aria-label="页面锚点导航"] ul li {
  margin: 0;
  padding: 0;
}

nav[aria-label="页面锚点导航"] ul li a {
  display: inline-block;
  padding: 7px 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 50px;
  transition: all var(--transition);
}

nav[aria-label="页面锚点导航"] ul li a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
  opacity: 1;
}

/* ===== ABOUT / CARDS ===== */
#about,
#history,
#culture,
#products,
#advantages,
#solutions,
#applications,
#cases,
#reviews,
#news,
#articles,
#knowledge,
#faq,
#howto,
#contact,
#sitemap,
#links {
  background: var(--bg-card);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  margin-bottom: 32px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

#about:hover,
#history:hover,
#culture:hover,
#products:hover,
#advantages:hover,
#solutions:hover,
#applications:hover,
#cases:hover,
#reviews:hover,
#news:hover,
#articles:hover,
#knowledge:hover,
#faq:hover,
#howto:hover,
#contact:hover,
#sitemap:hover,
#links:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

/* ===== ARTICLES ===== */
#articles article,
#news article {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 20px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

#articles article::before,
#news article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--accent), var(--cyan));
  opacity: 0;
  transition: opacity var(--transition);
}

#articles article:hover,
#news article:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateX(6px);
  box-shadow: var(--shadow-sm);
}

#articles article:hover::before,
#news article:hover::before {
  opacity: 1;
}

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

#articles article:hover h3,
#news article:hover h3 {
  color: var(--cyan);
}

#articles article p:first-of-type,
#news article p:first-of-type {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

#articles article p,
#news article p {
  font-size: 0.95rem;
}

#articles article a,
#news article a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--cyan);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

#articles article a:hover,
#news article a:hover {
  gap: 8px;
  color: var(--primary);
}

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

#articles article a:hover::after,
#news article a:hover::after {
  transform: translateX(3px);
}

/* ===== BLOCKQUOTE ===== */
#reviews blockquote {
  background: rgba(31, 111, 235, 0.06);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 22px 26px;
  margin: 18px 0;
  transition: all var(--transition);
  position: relative;
}

#reviews blockquote::before {
  content: "\201C";
  position: absolute;
  top: 4px;
  left: 14px;
  font-size: 3rem;
  line-height: 1;
  color: var(--primary);
  opacity: 0.2;
  font-family: Georgia, serif;
}

#reviews blockquote:hover {
  background: rgba(31, 111, 235, 0.1);
  transform: translateX(6px);
  box-shadow: var(--shadow-sm);
}

#reviews blockquote p {
  font-style: italic;
  color: var(--text);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

#reviews blockquote footer {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: right;
}

/* ===== FAQ ===== */
#faq dl {
  margin: 0;
}

#faq dt {
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text);
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 14px;
  cursor: default;
  transition: all var(--transition);
  position: relative;
  padding-left: 44px;
}

#faq dt::before {
  content: "Q";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
}

#faq dt:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateX(4px);
}

#faq dd {
  padding: 16px 20px 16px 44px;
  margin: 0 0 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  border-left: 2px solid var(--border);
  margin-left: 20px;
  transition: border-color var(--transition);
}

#faq dd:hover {
  border-left-color: var(--cyan);
}

/* ===== HOWTO ===== */
#howto ol {
  counter-reset: step-counter;
  list-style: none;
  margin-left: 0;
  padding-left: 0;
}

#howto ol li {
  counter-increment: step-counter;
  position: relative;
  padding: 14px 16px 14px 56px;
  margin-bottom: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

#howto ol li::before {
  content: counter(step-counter);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  box-shadow: 0 4px 12px var(--primary-glow);
}

#howto ol li:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateX(4px);
}

#howto ul li {
  padding: 6px 0 6px 24px;
  position: relative;
}

#howto ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

/* ===== CONTACT ===== */
#contact ul {
  list-style: none;
  margin-left: 0;
  padding-left: 0;
}

#contact ul li {
  padding: 10px 0 10px 28px;
  position: relative;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

#contact ul li:last-child {
  border-bottom: none;
}

#contact ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  box-shadow: 0 0 8px var(--primary-glow);
}

#contact ul li:hover {
  padding-left: 34px;
  color: var(--text);
}

/* ===== SITEMAP / LINKS ===== */
#sitemap ul,
#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-left: 0;
  padding-left: 0;
  list-style: none;
}

#sitemap ul li,
#links ul li {
  margin: 0;
  padding: 0;
}

#sitemap ul li a,
#links ul li a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 50px;
  transition: all var(--transition);
}

#sitemap ul li a:hover,
#links ul li a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 6px 20px var(--primary-glow);
  opacity: 1;
}

/* ===== FOOTER ===== */
footer {
  margin-top: 48px;
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid var(--glass-border);
  padding: 48px 24px 32px;
}

footer section {
  max-width: var(--max-width);
  margin: 0 auto 24px;
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
  animation: none;
}

footer section:hover {
  border: none;
  box-shadow: none;
}

footer section h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
  padding-bottom: 8px;
  color: var(--text);
}

footer section h2::after {
  width: 32px;
  height: 2px;
}

footer section p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

footer > p {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

footer > p a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  transition: all var(--transition);
}

footer > p a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--primary-glow);
  opacity: 1;
}

footer > p a::before {
  content: "↑";
  font-size: 0.9rem;
  transition: transform var(--transition-fast);
}

footer > p a:hover::before {
  transform: translateY(-3px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  header nav {
    padding: 0 16px;
  }

  header nav ul li a {
    padding: 6px 9px;
    font-size: 0.82rem;
  }

  main {
    padding: 0 16px;
  }

  #about,
  #history,
  #culture,
  #products,
  #advantages,
  #solutions,
  #applications,
  #cases,
  #reviews,
  #news,
  #articles,
  #knowledge,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links {
    padding: 32px 24px;
    border-radius: var(--radius-md);
  }
}

@media (max-width: 768px) {
  html {
    scroll-padding-top: 70px;
  }

  header nav {
    height: auto;
    flex-direction: column;
    padding: 12px 16px;
    gap: 10px;
  }

  header nav > a:first-child {
    font-size: 1.1rem;
  }

  header nav ul {
    justify-content: center;
    gap: 2px;
  }

  header nav ul li a {
    padding: 5px 8px;
    font-size: 0.78rem;
  }

  #hero {
    padding: 48px 0 36px;
  }

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

  #hero > p {
    font-size: 0.95rem;
  }

  #hero figure {
    margin-top: 32px;
    border-radius: var(--radius-md);
  }

  section {
    padding: 36px 0;
  }

  section h2 {
    font-size: 1.3rem;
  }

  section h3 {
    font-size: 1.08rem;
  }

  #about,
  #history,
  #culture,
  #products,
  #advantages,
  #solutions,
  #applications,
  #cases,
  #reviews,
  #news,
  #articles,
  #knowledge,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links {
    padding: 24px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
  }

  #articles article,
  #news article {
    padding: 18px 20px;
  }

  #articles article:hover,
  #news article:hover {
    transform: translateX(3px);
  }

  #faq dt {
    padding: 14px 16px 14px 40px;
    font-size: 0.95rem;
  }

  #faq dd {
    padding: 14px 16px 14px 40px;
    font-size: 0.9rem;
  }

  #reviews blockquote {
    padding: 18px 20px;
  }

  #howto ol li {
    padding: 12px 14px 12px 48px;
  }

  footer {
    padding: 32px 16px 24px;
  }

  footer section {
    padding: 0;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  header nav ul li a {
    padding: 4px 6px;
    font-size: 0.72rem;
  }

  #hero h1 {
    font-size: 1.3rem;
  }

  #hero > p {
    font-size: 0.88rem;
  }

  section h2 {
    font-size: 1.15rem;
  }

  #about,
  #history,
  #culture,
  #products,
  #advantages,
  #solutions,
  #applications,
  #cases,
  #reviews,
  #news,
  #articles,
  #knowledge,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links {
    padding: 20px 14px;
  }

  #sitemap ul li a,
  #links ul li a,
  nav[aria-label="页面锚点导航"] ul li a {
    padding: 6px 12px;
    font-size: 0.78rem;
  }

  footer > p a {
    padding: 8px 18px;
    font-size: 0.82rem;
  }
}

/* ===== SCROLL ANIMATION ===== */
@media (prefers-reduced-motion: no-preference) {
  section {
    animation: sectionReveal 0.7s ease-out both;
  }

  @keyframes sectionReveal {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@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;
  }
}

/* ===== FOCUS & ACCESSIBILITY ===== */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

/* ===== PRINT ===== */
@media print {
  header,
  footer,
  #hero figure {
    display: none;
  }

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

  #about,
  #history,
  #culture,
  #products,
  #advantages,
  #solutions,
  #applications,
  #cases,
  #reviews,
  #news,
  #articles,
  #knowledge,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links {
    background: none;
    border: 1px solid #ddd;
    box-shadow: none;
    backdrop-filter: none;
  }
}