:root {
  --lemon-primary: #FF6B35;
  --lemon-primary-light: #FF8A65;
  --lemon-primary-dark: #E64A19;
  --lemon-secondary: #FFB74D;
  --lemon-accent: #FFCC80;
  --lemon-bg: #FFF8F0;
  --lemon-bg-alt: #FFF3E0;
  --lemon-surface: #FFFFFF;
  --lemon-surface-glass: rgba(255, 255, 255, 0.72);
  --lemon-text: #2D1B0E;
  --lemon-text-secondary: #6B4C3B;
  --lemon-text-muted: #9C8578;
  --lemon-border: #F0E0D0;
  --lemon-shadow: rgba(255, 107, 53, 0.12);
  --lemon-shadow-lg: rgba(255, 107, 53, 0.18);
  --lemon-radius: 16px;
  --lemon-radius-sm: 10px;
  --lemon-radius-lg: 24px;
  --lemon-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --lemon-gradient: linear-gradient(135deg, #FF6B35 0%, #FFB74D 50%, #FFCC80 100%);
  --lemon-gradient-alt: linear-gradient(135deg, #FF8A65 0%, #FFB74D 100%);
  --lemon-gradient-hero: linear-gradient(160deg, #FFF3E0 0%, #FFE0B2 40%, #FFCC80 100%);
  --lemon-glass-blur: 16px;
  --lemon-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --lemon-bg: #1A120B;
    --lemon-bg-alt: #241A12;
    --lemon-surface: #2D1F14;
    --lemon-surface-glass: rgba(45, 31, 20, 0.78);
    --lemon-text: #F5E6D8;
    --lemon-text-secondary: #C9B09A;
    --lemon-text-muted: #8A7060;
    --lemon-border: #3D2A1C;
    --lemon-shadow: rgba(0, 0, 0, 0.3);
    --lemon-shadow-lg: rgba(0, 0, 0, 0.45);
    --lemon-gradient-hero: linear-gradient(160deg, #241A12 0%, #2D1F14 40%, #3D2A1C 100%);
    --lemon-accent: #FFAB91;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

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

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

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

a:hover {
  color: var(--lemon-primary-dark);
  opacity: 0.85;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.35;
  color: var(--lemon-text);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.6rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2.2vw, 1.45rem); }
h4 { font-size: clamp(1rem, 1.8vw, 1.2rem); }

p {
  margin-bottom: 1rem;
  color: var(--lemon-text-secondary);
}

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

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

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--lemon-primary-light);
  border-radius: 10px;
  border: 2px solid var(--lemon-bg-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--lemon-primary);
}

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

header nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

header nav > div a {
  font-size: 1.35rem;
  font-weight: 800;
  background: var(--lemon-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  letter-spacing: -0.02em;
  white-space: nowrap;
  transition: opacity var(--lemon-transition);
}

header nav > div a:hover {
  opacity: 0.8;
}

header nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
}

header nav ul li a {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--lemon-text-secondary);
  border-radius: var(--lemon-radius-sm);
  transition: all var(--lemon-transition);
  position: relative;
  white-space: nowrap;
}

header nav ul li a::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--lemon-gradient);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width var(--lemon-transition);
}

header nav ul li a:hover {
  color: var(--lemon-primary);
  background: rgba(255, 107, 53, 0.08);
}

header nav ul li a:hover::after {
  width: 60%;
}

main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

main > nav[aria-label="面包屑导航"] {
  padding: 1.25rem 0 0.5rem;
}

main > nav[aria-label="面包屑导航"] ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--lemon-text-muted);
}

main > nav[aria-label="面包屑导航"] ol li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

main > nav[aria-label="面包屑导航"] ol li:not(:last-child)::after {
  content: "›";
  color: var(--lemon-text-muted);
  font-size: 1rem;
  line-height: 1;
}

main > nav[aria-label="面包屑导航"] ol li a {
  color: var(--lemon-text-muted);
  font-weight: 500;
  transition: color var(--lemon-transition);
}

main > nav[aria-label="面包屑导航"] ol li a:hover {
  color: var(--lemon-primary);
}

section {
  padding: 2.5rem 0;
  animation: lemonFadeUp 0.7s ease both;
}

section:nth-child(even) {
  animation-delay: 0.05s;
}

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

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

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

@keyframes lemonPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(255, 107, 53, 0); }
}

@keyframes lemonScaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

#hero {
  position: relative;
  margin-top: 1rem;
  padding: 3rem 2.5rem;
  border-radius: var(--lemon-radius-lg);
  background: var(--lemon-gradient-hero);
  overflow: hidden;
  isolation: isolate;
}

#hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
  animation: lemonFloat 6s ease-in-out infinite;
}

#hero::after {
  content: "";
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 183, 77, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
  animation: lemonFloat 8s ease-in-out infinite reverse;
}

#hero h1 {
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, var(--lemon-primary-dark), var(--lemon-primary), var(--lemon-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  background-size: 200% auto;
  animation: lemonShimmer 4s linear infinite;
}

#hero > p {
  max-width: 780px;
  font-size: 1.05rem;
  color: var(--lemon-text-secondary);
  margin-bottom: 1rem;
}

#hero figure {
  margin-top: 2rem;
  border-radius: var(--lemon-radius);
  overflow: hidden;
  box-shadow: 0 12px 40px var(--lemon-shadow-lg);
  transition: transform var(--lemon-transition), box-shadow var(--lemon-transition);
}

#hero figure:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 20px 60px var(--lemon-shadow-lg);
}

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

#hero figcaption {
  padding: 0.85rem 1.25rem;
  background: var(--lemon-surface-glass);
  backdrop-filter: blur(var(--lemon-glass-blur));
  -webkit-backdrop-filter: blur(var(--lemon-glass-blur));
  font-size: 0.9rem;
  color: var(--lemon-text-secondary);
  text-align: center;
  border-top: 1px solid var(--lemon-border);
}

section h2 {
  position: relative;
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

section h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 64px;
  height: 4px;
  background: var(--lemon-gradient);
  border-radius: 4px;
}

section h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--lemon-primary-dark);
}

section h4 {
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--lemon-text);
}

section > ul,
section > ol {
  margin-bottom: 1rem;
}

section > ul li,
section > ol li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--lemon-text-secondary);
}

section > ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  background: var(--lemon-gradient);
  border-radius: 50%;
  transform: translateY(-50%);
}

section > ol {
  counter-reset: lemon-counter;
}

section > ol li {
  counter-increment: lemon-counter;
  padding-left: 2rem;
}

section > ol li::before {
  content: counter(lemon-counter);
  position: absolute;
  left: 0;
  top: 0.2em;
  width: 1.4rem;
  height: 1.4rem;
  background: var(--lemon-gradient);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
}

#brand,
#products,
#advantages,
#solutions,
#cases,
#testimonials,
#news,
#articles,
#faq,
#howto,
#contact,
#sitemap,
#links,
#team,
#author {
  background: var(--lemon-surface);
  border-radius: var(--lemon-radius-lg);
  padding: 2rem 2.25rem;
  margin-bottom: 2rem;
  border: 1px solid var(--lemon-border);
  box-shadow: 0 2px 16px var(--lemon-shadow);
  transition: box-shadow var(--lemon-transition), transform var(--lemon-transition);
}

#brand:hover,
#products:hover,
#advantages:hover,
#solutions:hover,
#cases:hover,
#testimonials:hover,
#news:hover,
#articles:hover,
#faq:hover,
#howto:hover,
#contact:hover {
  box-shadow: 0 8px 32px var(--lemon-shadow-lg);
  transform: translateY(-2px);
}

#products ul li {
  padding: 0.6rem 0.75rem 0.6rem 1.75rem;
  border-radius: var(--lemon-radius-sm);
  transition: background var(--lemon-transition), transform var(--lemon-transition);
}

#products ul li:hover {
  background: rgba(255, 107, 53, 0.06);
  transform: translateX(4px);
}

#advantages h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--lemon-bg-alt);
  border-radius: var(--lemon-radius-sm);
  border-left: 4px solid var(--lemon-primary);
  transition: all var(--lemon-transition);
}

#advantages h3:hover {
  background: rgba(255, 107, 53, 0.1);
  transform: translateX(6px);
  border-left-color: var(--lemon-primary-dark);
}

#solutions h3 {
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--lemon-border);
}

#cases h3 {
  padding: 0.75rem 1rem;
  background: var(--lemon-gradient-alt);
  color: #fff;
  border-radius: var(--lemon-radius-sm);
  margin-top: 1.5rem;
  box-shadow: 0 4px 12px var(--lemon-shadow);
  transition: transform var(--lemon-transition), box-shadow var(--lemon-transition);
}

#cases h3:hover {
  transform: translateX(6px);
  box-shadow: 0 6px 20px var(--lemon-shadow-lg);
}

#testimonials blockquote {
  position: relative;
  padding: 1.5rem 1.75rem 1.25rem;
  margin-bottom: 1.25rem;
  background: var(--lemon-bg-alt);
  border-radius: var(--lemon-radius);
  border-left: 4px solid var(--lemon-primary);
  transition: all var(--lemon-transition);
}

#testimonials blockquote::before {
  content: "\201C";
  position: absolute;
  top: 0.25rem;
  left: 0.75rem;
  font-size: 3.5rem;
  line-height: 1;
  color: var(--lemon-primary);
  opacity: 0.25;
  font-family: Georgia, serif;
}

#testimonials blockquote:hover {
  background: rgba(255, 107, 53, 0.08);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--lemon-shadow);
}

#testimonials blockquote p {
  font-size: 1rem;
  font-style: italic;
  color: var(--lemon-text);
  margin-bottom: 0.75rem;
  padding-left: 1.25rem;
}

#testimonials blockquote footer {
  font-size: 0.85rem;
  color: var(--lemon-text-muted);
  text-align: right;
  font-weight: 500;
}

#news article,
#articles article {
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  background: var(--lemon-bg-alt);
  border-radius: var(--lemon-radius);
  border: 1px solid var(--lemon-border);
  transition: all var(--lemon-transition);
  position: relative;
  overflow: hidden;
}

#news article::before,
#articles article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--lemon-gradient);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--lemon-transition);
}

#news article:hover,
#articles article:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--lemon-shadow-lg);
  border-color: var(--lemon-primary-light);
}

#news article:hover::before,
#articles article:hover::before {
  transform: scaleY(1);
  transform-origin: top;
}

#news article h3,
#articles article h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
  line-height: 1.5;
}

#news article h3 a,
#articles article h3 a {
  color: var(--lemon-text);
  transition: color var(--lemon-transition);
}

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

#news article time,
#articles article time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--lemon-text-muted);
  background: var(--lemon-surface);
  padding: 0.15rem 0.6rem;
  border-radius: 20px;
  margin-bottom: 0.6rem;
  border: 1px solid var(--lemon-border);
}

#articles article > a:last-child {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  background: var(--lemon-gradient);
  color: #fff;
  border-radius: 20px;
  transition: all var(--lemon-transition);
  box-shadow: 0 2px 8px var(--lemon-shadow);
}

#articles article > a:last-child:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--lemon-shadow-lg);
  opacity: 1;
}

#faq details {
  margin-bottom: 0.75rem;
  background: var(--lemon-bg-alt);
  border-radius: var(--lemon-radius);
  border: 1px solid var(--lemon-border);
  overflow: hidden;
  transition: all var(--lemon-transition);
}

#faq details[open] {
  background: var(--lemon-surface);
  border-color: var(--lemon-primary-light);
  box-shadow: 0 8px 24px var(--lemon-shadow);
}

#faq details:hover {
  border-color: var(--lemon-primary-light);
}

#faq summary {
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--lemon-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: color var(--lemon-transition), background var(--lemon-transition);
  user-select: none;
}

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

#faq summary::after {
  content: "+";
  flex-shrink: 0;
  width: 1.6rem;
  height: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lemon-gradient);
  color: #fff;
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1;
  transition: transform var(--lemon-transition);
}

#faq details[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

#faq summary:hover {
  color: var(--lemon-primary);
  background: rgba(255, 107, 53, 0.05);
}

#faq details > p {
  padding: 0 1.25rem 1.25rem;
  margin-bottom: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  border-top: 1px dashed var(--lemon-border);
  padding-top: 1rem;
  animation: lemonScaleIn 0.3s ease both;
}

#howto h3 {
  background: var(--lemon-gradient-alt);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--lemon-radius-sm);
  display: inline-block;
  margin-top: 1.5rem;
  box-shadow: 0 4px 12px var(--lemon-shadow);
}

#howto h4 {
  padding-left: 1rem;
  border-left: 4px solid var(--lemon-primary);
  padding-top: 0.15rem;
  padding-bottom: 0.15rem;
}

#howto ul li strong {
  color: var(--lemon-primary-dark);
}

#contact ul li {
  padding: 0.5rem 0.75rem;
  border-radius: var(--lemon-radius-sm);
  transition: background var(--lemon-transition), transform var(--lemon-transition);
}

#contact ul li:hover {
  background: rgba(255, 107, 53, 0.06);
  transform: translateX(4px);
}

#contact ul li strong {
  color: var(--lemon-primary-dark);
  margin-right: 0.25rem;
}

#sitemap ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.5rem;
}

#sitemap ul li {
  padding: 0;
}

#sitemap ul li::before {
  display: none;
}

#sitemap ul li a {
  display: block;
  padding: 0.6rem 1rem;
  background: var(--lemon-bg-alt);
  border-radius: var(--lemon-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  border: 1px solid var(--lemon-border);
  transition: all var(--lemon-transition);
}

#sitemap ul li a:hover {
  background: var(--lemon-gradient);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--lemon-shadow-lg);
  opacity: 1;
}

#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

#links ul li {
  padding: 0;
}

#links ul li::before {
  display: none;
}

#links ul li a {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--lemon-bg-alt);
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--lemon-border);
  transition: all var(--lemon-transition);
}

#links ul li a:hover {
  background: var(--lemon-gradient);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--lemon-shadow-lg);
  opacity: 1;
}

#team h3 {
  padding: 0.6rem 1rem;
  background: var(--lemon-bg-alt);
  border-radius: var(--lemon-radius-sm);
  border-left: 4px solid var(--lemon-primary);
  transition: all var(--lemon-transition);
}

#team h3:hover {
  background: rgba(255, 107, 53, 0.1);
  transform: translateX(6px);
}

#author p {
  padding: 0.4rem 0.75rem;
  border-radius: var(--lemon-radius-sm);
  transition: background var(--lemon-transition);
}

#author p:hover {
  background: rgba(255, 107, 53, 0.06);
}

footer {
  margin-top: 3rem;
  padding: 2.5rem 1.5rem 1.5rem;
  background: var(--lemon-gradient-hero);
  border-top: 1px solid var(--lemon-border);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

footer section {
  max-width: 1280px;
  margin: 0 auto 1.5rem;
  padding: 1.5rem 1.75rem;
  background: var(--lemon-surface-glass);
  backdrop-filter: blur(var(--lemon-glass-blur));
  -webkit-backdrop-filter: blur(var(--lemon-glass-blur));
  border-radius: var(--lemon-radius);
  border: 1px solid var(--lemon-border);
  box-shadow: 0 4px 16px var(--lemon-shadow);
  animation: none;
}

footer section h2 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
}

footer section h2::after {
  width: 40px;
  height: 3px;
}

footer section p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--lemon-text-secondary);
  margin-bottom: 0.5rem;
}

footer > p {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
  padding: 1rem 0 0.5rem;
}

footer > p a {
  display: inline-block;
  padding: 0.6rem 1.75rem;
  background: var(--lemon-gradient);
  color: #fff;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 16px var(--lemon-shadow-lg);
  transition: all var(--lemon-transition);
  animation: lemonPulse 2.5s ease-in-out infinite;
}

footer > p a:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 28px var(--lemon-shadow-lg);
  color: #fff;
  opacity: 1;
  animation: none;
}

@media (max-width: 1024px) {
  header nav {
    padding: 0.65rem 1rem;
  }

  header nav ul li a {
    padding: 0.4rem 0.65rem;
    font-size: 0.85rem;
  }

  main {
    padding: 0 1rem;
  }

  #hero {
    padding: 2.25rem 1.75rem;
  }

  #brand,
  #products,
  #advantages,
  #solutions,
  #cases,
  #testimonials,
  #news,
  #articles,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links,
  #team,
  #author {
    padding: 1.75rem 1.75rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
    scroll-padding-top: 120px;
  }

  header nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
  }

  header nav > div a {
    font-size: 1.2rem;
  }

  header nav ul {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.35rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

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

  header nav ul li a {
    padding: 0.35rem 0.7rem;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  main {
    padding: 0 0.85rem;
  }

  main > nav[aria-label="面包屑导航"] {
    padding: 0.85rem 0 0.25rem;
  }

  section {
    padding: 1.5rem 0;
  }

  #hero {
    padding: 1.75rem 1.25rem;
    border-radius: var(--lemon-radius);
  }

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

  #brand,
  #products,
  #advantages,
  #solutions,
  #cases,
  #testimonials,
  #news,
  #articles,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links,
  #team,
  #author {
    padding: 1.25rem 1.15rem;
    border-radius: var(--lemon-radius);
    margin-bottom: 1.25rem;
  }

  section h2 {
    font-size: 1.25rem;
    margin-bottom: 1.15rem;
  }

  section h3 {
    font-size: 1.05rem;
    margin-top: 1.15rem;
  }

  #cases h3 {
    padding: 0.6rem 0.85rem;
    font-size: 1rem;
  }

  #testimonials blockquote {
    padding: 1.25rem 1.25rem 1rem;
  }

  #testimonials blockquote p {
    padding-left: 0.75rem;
    font-size: 0.95rem;
  }

  #news article,
  #articles article {
    padding: 1rem 1.1rem;
  }

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

  #faq summary {
    padding: 0.85rem 1rem;
    font-size: 0.92rem;
  }

  #faq details > p {
    padding: 0.85rem 1rem 1rem;
    font-size: 0.88rem;
  }

  #sitemap ul {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 0.4rem;
  }

  #sitemap ul li a {
    padding: 0.5rem 0.65rem;
    font-size: 0.82rem;
  }

  footer {
    padding: 1.75rem 0.85rem 1.25rem;
  }

  footer section {
    padding: 1.15rem 1.15rem;
    border-radius: var(--lemon-radius);
  }

  footer section h2 {
    font-size: 1rem;
  }

  footer section p {
    font-size: 0.82rem;
  }

  footer > p a {
    padding: 0.55rem 1.5rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  #hero {
    padding: 1.5rem 1rem;
  }

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

  #hero figure {
    margin-top: 1.25rem;
  }

  #brand,
  #products,
  #advantages,
  #solutions,
  #cases,
  #testimonials,
  #news,
  #articles,
  #faq,
  #howto,
  #contact,
  #sitemap,
  #links,
  #team,
  #author {
    padding: 1.1rem 1rem;
  }

  section > ul li,
  section > ol li {
    padding-left: 1.25rem;
    font-size: 0.9rem;
  }

  #sitemap ul {
    grid-template-columns: repeat(2, 1fr);
  }

  #testimonials blockquote::before {
    font-size: 2.5rem;
    top: 0.15rem;
    left: 0.5rem;
  }
}

@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 print {
  header,
  footer > p,
  #sitemap,
  #links {
    display: none;
  }

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

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