:root {
  --primary: #e8590c;
  --primary-light: #f97316;
  --primary-dark: #c2410c;
  --primary-glow: rgba(232, 89, 12, 0.35);
  --secondary: #7c2d12;
  --accent: #fbbf24;
  --bg: #fff7ed;
  --bg-alt: #ffffff;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --bg-glass-border: rgba(255, 255, 255, 0.5);
  --text: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #a8a29e;
  --border: #fed7aa;
  --shadow-sm: 0 1px 3px rgba(124, 45, 18, 0.08);
  --shadow-md: 0 4px 16px rgba(124, 45, 18, 0.1);
  --shadow-lg: 0 12px 40px rgba(124, 45, 18, 0.14);
  --shadow-glow: 0 8px 32px var(--primary-glow);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #f97316;
    --primary-light: #fb923c;
    --primary-dark: #ea580c;
    --primary-glow: rgba(249, 115, 22, 0.3);
    --secondary: #fdba74;
    --accent: #fcd34d;
    --bg: #0c0a09;
    --bg-alt: #1c1917;
    --bg-card: #292524;
    --bg-glass: rgba(41, 37, 36, 0.7);
    --bg-glass-border: rgba(255, 255, 255, 0.08);
    --text: #f5f5f4;
    --text-secondary: #d6d3d1;
    --text-muted: #78716c;
    --border: #44403c;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 8px 32px rgba(249, 115, 22, 0.25);
  }
}

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

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

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

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(232, 89, 12, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(251, 191, 36, 0.06), transparent);
  pointer-events: none;
  z-index: 0;
}

@media (prefers-color-scheme: dark) {
  body::before {
    background:
      radial-gradient(ellipse 80% 50% at 20% -10%, rgba(249, 115, 22, 0.06), transparent),
      radial-gradient(ellipse 60% 40% at 80% 110%, rgba(251, 191, 36, 0.04), transparent);
  }
}

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

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

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

a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

ul,
ol {
  padding-left: 1.5em;
}

li {
  margin-bottom: 0.35em;
}

li::marker {
  color: var(--primary);
}

strong {
  color: var(--text);
  font-weight: 600;
}

time {
  color: var(--text-muted);
  font-size: 0.875em;
}

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

header nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

header nav > div a {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

header nav > div a::before {
  content: "▶";
  font-size: 0.7em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px var(--primary-glow);
}

header nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

header nav ul li {
  margin: 0;
}

header nav ul li a {
  display: block;
  padding: 6px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: all var(--transition);
}

header nav ul li a:hover {
  color: var(--primary);
  background: rgba(232, 89, 12, 0.08);
}

main {
  position: relative;
  z-index: 1;
}

article {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

section {
  margin-bottom: 48px;
}

section > h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 24px;
  padding-bottom: 12px;
  position: relative;
  letter-spacing: -0.02em;
}

section > h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
}

section > h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin: 28px 0 12px;
  letter-spacing: -0.01em;
}

section > h3:first-of-type {
  margin-top: 0;
}

section > p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  max-width: 72ch;
}

section > ul {
  margin-bottom: 16px;
}

section > ul li {
  color: var(--text-secondary);
}

#hero {
  position: relative;
  margin: 32px 0 48px;
  padding: 56px 40px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, #e8590c 0%, #f97316 40%, #fbbf24 100%);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

#hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

#hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

#hero h1 {
  position: relative;
  z-index: 1;
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

#hero > p {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.05rem;
  max-width: 72ch;
  margin-bottom: 32px;
  line-height: 1.8;
}

#hero figure {
  position: relative;
  z-index: 1;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition), box-shadow var(--transition);
}

#hero figure:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.28);
}

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

#hero figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 20px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
}

nav[aria-label="面包屑导航"] {
  margin-bottom: 32px;
}

nav[aria-label="面包屑导航"] ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
}

nav[aria-label="面包屑导航"] ol li {
  margin: 0;
  color: var(--text-muted);
}

nav[aria-label="面包屑导航"] ol li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--text-muted);
  opacity: 0.5;
}

nav[aria-label="页面锚点导航"] {
  margin-bottom: 48px;
  padding: 24px 28px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

nav[aria-label="页面锚点导航"] h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 14px;
  padding: 0;
}

nav[aria-label="页面锚点导航"] h2::after {
  display: none;
}

nav[aria-label="页面锚点导航"] ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

nav[aria-label="页面锚点导航"] ul li a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  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(--primary-light));
  border-color: transparent;
  box-shadow: 0 4px 12px var(--primary-glow);
  transform: translateY(-2px);
}

#about,
#history,
#culture,
#products,
#advantages,
#solutions,
#applications,
#cases,
#reviews,
#news,
#articles,
#knowledge,
#faq,
#howto,
#contact,
#sitemap,
#links,
#editor,
#security,
#privacy,
#disclaimer,
#copyright {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  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 {
  box-shadow: var(--shadow-md);
}

#history h3,
#culture h3,
#products h3,
#advantages h3,
#solutions h3,
#applications h3,
#cases h3,
#news h3,
#knowledge h3 {
  display: flex;
  align-items: center;
  gap: 10px;
}

#history h3::before,
#culture h3::before,
#products h3::before,
#advantages h3::before,
#solutions h3::before,
#applications h3::before,
#cases h3::before,
#news h3::before,
#knowledge h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  flex-shrink: 0;
}

#culture ul {
  list-style: none;
  padding: 0;
}

#culture ul li {
  padding: 12px 16px;
  margin-bottom: 8px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary);
  transition: all var(--transition);
}

#culture ul li:hover {
  background: rgba(232, 89, 12, 0.06);
  transform: translateX(4px);
}

#reviews blockquote {
  position: relative;
  margin: 0 0 20px;
  padding: 24px 28px 24px 56px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

#reviews blockquote::before {
  content: "\201C";
  position: absolute;
  top: 12px;
  left: 20px;
  font-size: 3rem;
  line-height: 1;
  color: var(--primary);
  opacity: 0.3;
  font-family: Georgia, serif;
}

#reviews blockquote:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

#reviews blockquote p {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 10px;
  line-height: 1.8;
}

#reviews blockquote cite {
  display: block;
  font-style: normal;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

#news h3 {
  font-size: 1.1rem;
  margin-top: 24px;
}

#news h3 + p time {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 10px;
  background: rgba(232, 89, 12, 0.08);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--primary);
}

#articles > article {
  padding: 24px;
  margin-bottom: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

#articles > article:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

#articles > article h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

#articles > article h3 a {
  color: var(--text);
}

#articles > article h3 a:hover {
  color: var(--primary);
}

#articles > article p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 10px;
}

#articles > article p:last-child {
  margin-bottom: 0;
}

#articles > article a[title^="阅读全文"] {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

#articles > article a[title^="阅读全文"]::after {
  content: "→";
  transition: transform var(--transition);
}

#articles > article a[title^="阅读全文"]:hover::after {
  transform: translateX(4px);
}

#faq details {
  margin-bottom: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

#faq details[open] {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

#faq details summary {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: all var(--transition);
  user-select: none;
}

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

#faq details summary::after {
  content: "+";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(232, 89, 12, 0.1);
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: all var(--transition);
}

#faq details[open] summary::after {
  content: "−";
  background: var(--primary);
  color: #fff;
  transform: rotate(180deg);
}

#faq details summary:hover {
  background: rgba(232, 89, 12, 0.04);
}

#faq details p {
  padding: 0 20px 18px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

#howto h3 {
  display: flex;
  align-items: center;
  gap: 10px;
}

#howto h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  flex-shrink: 0;
}

#howto ol {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

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

#howto ol li::before {
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: 50%;
  box-shadow: 0 2px 8px var(--primary-glow);
}

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

#howto ul {
  list-style: none;
  padding: 0;
}

#howto ul li {
  position: relative;
  padding: 10px 16px 10px 36px;
  margin-bottom: 8px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

#howto ul li::before {
  content: "✓";
  position: absolute;
  left: 14px;
  color: var(--primary);
  font-weight: 700;
}

#howto ul li:hover {
  background: rgba(232, 89, 12, 0.05);
}

#contact h3 {
  display: flex;
  align-items: center;
  gap: 10px;
}

#contact h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  flex-shrink: 0;
}

#contact > p {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

#contact > p:last-of-type {
  border-bottom: none;
}

#contact ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

#contact ul li {
  padding: 12px 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
}

#contact ul li::before {
  content: "📋";
  font-size: 1rem;
}

#contact ul li:hover {
  border-color: var(--primary);
  background: rgba(232, 89, 12, 0.04);
}

#sitemap ul,
#links ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

#sitemap ul li a,
#links ul li a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all var(--transition);
}

#sitemap ul li a:hover,
#links ul li a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-color: transparent;
  box-shadow: 0 4px 12px var(--primary-glow);
  transform: translateY(-2px);
}

#editor p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 8px;
}

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

#security p,
#privacy p,
#disclaimer p,
#copyright p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 10px;
}

#security p:last-child,
#privacy p:last-child,
#disclaimer p:last-child,
#copyright p:last-child {
  margin-bottom: 0;
}

footer {
  position: relative;
  z-index: 1;
  padding: 40px 24px;
  text-align: center;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

footer p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 8px;
  line-height: 1.7;
}

footer p:first-child {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 var(--primary-glow);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(232, 89, 12, 0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

section {
  animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) both;
}

#hero {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

#about { animation-delay: 0.05s; }
#history { animation-delay: 0.1s; }
#culture { animation-delay: 0.15s; }
#products { animation-delay: 0.2s; }
#advantages { animation-delay: 0.25s; }
#solutions { animation-delay: 0.3s; }
#applications { animation-delay: 0.35s; }
#cases { animation-delay: 0.4s; }
#reviews { animation-delay: 0.45s; }
#news { animation-delay: 0.5s; }
#articles { animation-delay: 0.55s; }
#knowledge { animation-delay: 0.6s; }
#faq { animation-delay: 0.65s; }
#howto { animation-delay: 0.7s; }
#contact { animation-delay: 0.75s; }

@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;
  }
}

@media (max-width: 1024px) {
  #hero {
    padding: 44px 32px;
  }

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

  section > h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  html {
    scroll-padding-top: 64px;
  }

  body {
    font-size: 15px;
  }

  header nav {
    padding: 0 16px;
    height: 56px;
    gap: 12px;
  }

  header nav > div a {
    font-size: 1.05rem;
  }

  header nav > div a::before {
    width: 24px;
    height: 24px;
    font-size: 0.65em;
  }

  header nav ul {
    gap: 2px;
  }

  header nav ul li a {
    padding: 5px 8px;
    font-size: 0.8125rem;
  }

  article {
    padding: 0 16px 60px;
  }

  #hero {
    margin: 20px 0 32px;
    padding: 32px 20px;
    border-radius: var(--radius-lg);
  }

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

  #hero > p {
    font-size: 0.9375rem;
    margin-bottom: 24px;
  }

  #hero figure {
    border-radius: var(--radius-md);
  }

  #hero figcaption {
    font-size: 0.8125rem;
    padding: 10px 14px;
  }

  nav[aria-label="页面锚点导航"] {
    padding: 18px 16px;
    margin-bottom: 32px;
  }

  nav[aria-label="页面锚点导航"] ul li a {
    padding: 5px 10px;
    font-size: 0.75rem;
  }

  section {
    margin-bottom: 32px;
  }

  section > h2 {
    font-size: 1.3rem;
    margin-bottom: 18px;
  }

  section > h3 {
    font-size: 1.05rem;
    margin: 22px 0 10px;
  }

  #about,
  #history,
  #culture,
  #products,
  #advantages,
  #solutions,
  #applications,
  #cases,
  #reviews,
  #news,
  #articles,
  #knowledge,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links,
  #editor,
  #security,
  #privacy,
  #disclaimer,
  #copyright {
    padding: 20px 16px;
    border-radius: var(--radius-md);
  }

  #reviews blockquote {
    padding: 18px 18px 18px 44px;
  }

  #reviews blockquote::before {
    font-size: 2.2rem;
    top: 8px;
    left: 12px;
  }

  #articles > article {
    padding: 18px 16px;
  }

  #faq details summary {
    padding: 14px 16px;
    font-size: 0.875rem;
  }

  #faq details p {
    padding: 0 16px 16px;
    font-size: 0.875rem;
  }

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

  #howto ol li::before {
    left: 12px;
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
  }

  #contact ul {
    grid-template-columns: 1fr;
  }

  footer {
    padding: 28px 16px;
  }

  footer p {
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  #hero {
    padding: 24px 16px;
  }

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

  #hero > p {
    font-size: 0.875rem;
  }

  section > h2 {
    font-size: 1.15rem;
  }

  header nav ul li a {
    padding: 4px 6px;
    font-size: 0.75rem;
  }
}

@media (hover: hover) and (pointer: fine) {
  #hero figure:hover svg {
    transform: scale(1.02);
  }

  #hero figure svg {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  }
}

@media print {
  header,
  footer,
  nav[aria-label="页面锚点导航"],
  nav[aria-label="面包屑导航"] {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 12pt;
  }

  section {
    box-shadow: none;
    border: none;
    padding: 0;
    margin-bottom: 24pt;
    page-break-inside: avoid;
  }

  #hero {
    background: none;
    box-shadow: none;
    padding: 0;
  }

  #hero h1 {
    color: #000;
    text-shadow: none;
  }

  #hero > p {
    color: #333;
  }

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

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}