:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-accent: #8b5cf6;
  --color-accent-light: #a78bfa;
  --color-bg: #f8fafc;
  --color-bg-alt: #ffffff;
  --color-surface: rgba(255, 255, 255, 0.72);
  --color-surface-solid: #ffffff;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-border: rgba(148, 163, 184, 0.24);
  --color-border-strong: rgba(148, 163, 184, 0.4);
  --gradient-hero: linear-gradient(135deg, #2563eb 0%, #7c3aed 55%, #db2777 100%);
  --gradient-soft: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  --gradient-cta: linear-gradient(135deg, #2563eb 0%, #8b5cf6 100%);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 8px 32px rgba(37, 99, 235, 0.24);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --radius-full: 999px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0b1120;
    --color-bg-alt: #111827;
    --color-surface: rgba(30, 41, 59, 0.65);
    --color-surface-solid: #1e293b;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-light: #64748b;
    --color-border: rgba(100, 116, 139, 0.28);
    --color-border-strong: rgba(100, 116, 139, 0.45);
    --gradient-hero: linear-gradient(135deg, #1e40af 0%, #6d28d9 55%, #be185d 100%);
    --gradient-soft: linear-gradient(135deg, rgba(37, 99, 235, 0.14) 0%, rgba(139, 92, 246, 0.14) 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 8px 32px rgba(59, 130, 246, 0.3);
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(37, 99, 235, 0.08), transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(139, 92, 246, 0.08), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(219, 39, 119, 0.05), transparent 50%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  line-height: 1.3;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  position: relative;
  padding-left: 18px;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 5px;
  border-radius: var(--radius-full);
  background: var(--gradient-cta);
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  margin-top: 1.6em;
}

p {
  margin: 0 0 1em;
  color: var(--color-text-muted);
}

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.4em;
}

li {
  margin-bottom: 0.5em;
  color: var(--color-text-muted);
}

strong {
  color: var(--color-text);
  font-weight: 700;
}

blockquote {
  margin: 1.5em 0;
  padding: 1.2em 1.4em;
  background: var(--color-surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

blockquote::after {
  content: "\201C";
  position: absolute;
  top: -12px;
  right: 16px;
  font-size: 5rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.12;
  font-family: Georgia, serif;
}

blockquote p {
  margin: 0;
  color: var(--color-text);
  font-style: italic;
}

time {
  font-size: 0.85em;
  color: var(--color-text-light);
  font-variant-numeric: tabular-nums;
}

address {
  font-style: normal;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

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

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

::-webkit-scrollbar-thumb {
  background: var(--color-border-strong);
  border-radius: var(--radius-full);
}

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

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

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

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.logo:hover {
  transform: translateY(-2px) scale(1.02);
  color: var(--color-text);
}

.logo svg {
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.logo:hover svg {
  transform: rotate(-6deg);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

#site-header nav {
  flex: 1;
  min-width: 0;
}

#site-header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

#site-header nav li {
  margin: 0;
}

#site-header nav a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  position: relative;
  transition: color var(--transition), background var(--transition);
}

#site-header nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--gradient-cta);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

#site-header nav a:hover,
#site-header nav a:focus-visible {
  color: var(--color-primary);
  background: var(--gradient-soft);
}

#site-header nav a:hover::after {
  transform: scaleX(1);
}

#site-header form[role="search"] {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
  flex-shrink: 0;
}

#site-header form[role="search"]:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

#site-search {
  border: none;
  background: transparent;
  padding: 9px 16px;
  font-size: 0.88rem;
  font-family: inherit;
  color: var(--color-text);
  width: 190px;
  outline: none;
  transition: width var(--transition);
}

#site-search::placeholder {
  color: var(--color-text-light);
}

#site-search:focus {
  width: 230px;
}

#site-header form[role="search"] button {
  border: none;
  background: var(--gradient-cta);
  color: #fff;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 9px 18px;
  cursor: pointer;
  transition: filter var(--transition), transform var(--transition);
}

#site-header form[role="search"] button:hover {
  filter: brightness(1.1);
}

#site-header form[role="search"] button:active {
  transform: scale(0.96);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 64px;
}

main > section {
  margin-bottom: 40px;
  padding: 40px;
  background: var(--color-surface);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-timeline: view();
  animation-range: entry 0% entry 30%;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

main > section:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg);
}

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

@supports not (animation-timeline: view()) {
  main > section {
    animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
  }
}

#hero {
  margin-top: 32px;
  padding: 0;
  background: var(--gradient-hero);
  border: none;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-glow);
  color: #fff;
}

#hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.22), transparent 35%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.14), transparent 40%),
    radial-gradient(circle at 60% 10%, rgba(255, 255, 255, 0.1), transparent 30%);
  pointer-events: none;
}

#hero::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -80px;
  bottom: -120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  filter: blur(4px);
  pointer-events: none;
  animation: floatBlob 12s ease-in-out infinite;
}

@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, -24px) scale(1.1); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: clamp(40px, 6vw, 72px) clamp(24px, 5vw, 64px);
}

#hero h1 {
  color: #fff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
  max-width: 900px;
}

#hero .hero-lead {
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(0.95rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  max-width: 860px;
  margin-bottom: 1.8em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.12);
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}

.cta::after {
  content: "\2192";
  transition: transform var(--transition);
}

.cta:hover {
  transform: translateY(-3px);
  color: var(--color-primary-dark);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.3);
  background: #fff;
}

.cta:hover::after {
  transform: translateX(4px);
}

.cta:active {
  transform: translateY(-1px) scale(0.98);
}

.breadcrumb {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  padding: 12px 20px;
  background: var(--color-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  box-shadow: var(--shadow-sm);
}

.breadcrumb li {
  margin: 0;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-muted);
  font-weight: 500;
}

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

.breadcrumb li[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
}

#products ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin: 1.5em 0;
}

#products ul li {
  margin: 0;
  padding: 18px 20px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

#products ul li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-cta);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

#products ul li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

#products ul li:hover::before {
  transform: scaleX(1);
}

#products ul li strong {
  display: block;
  margin-bottom: 4px;
  color: var(--color-primary);
  font-size: 0.95rem;
}

#scenes h3 {
  padding-left: 14px;
  border-left: 3px solid var(--color-accent-light);
  transition: border-color var(--transition), padding-left var(--transition);
}

#scenes h3:hover {
  border-color: var(--color-primary);
  padding-left: 20px;
}

#cases blockquote {
  transition: transform var(--transition), box-shadow var(--transition);
}

#cases blockquote:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 1.5em 0 0;
  display: grid;
  gap: 16px;
}

.news-list li {
  margin: 0;
  padding: 22px 24px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}

.news-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 4px;
  border-radius: var(--radius-full);
  background: var(--gradient-cta);
  opacity: 0;
  transition: opacity var(--transition);
}

.news-list li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.news-list li:hover::before {
  opacity: 1;
}

.news-list h3 {
  margin-top: 0;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.news-list p {
  margin: 0;
  font-size: 0.92rem;
}

.news-list time {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 10px;
  background: var(--gradient-soft);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.8rem;
}

#articles > article {
  padding: 24px 26px;
  margin-bottom: 18px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

#articles > article::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: var(--gradient-soft);
  border-radius: 50%;
  transform: translate(40%, -40%);
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
  pointer-events: none;
}

#articles > article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

#articles > article:hover::after {
  opacity: 1;
  transform: translate(30%, -30%);
}

#articles article h3 {
  margin-top: 0;
  font-size: 1.15rem;
  position: relative;
  z-index: 1;
}

#articles article > p:nth-of-type(1) {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.8em;
}

#articles article > p:nth-of-type(1) time {
  color: var(--color-primary);
  font-weight: 600;
}

#articles article > p:nth-of-type(2) {
  position: relative;
  z-index: 1;
}

#articles article > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--gradient-soft);
  transition: background var(--transition), color var(--transition), gap var(--transition);
}

#articles article > a::after {
  content: "\2192";
  transition: transform var(--transition);
}

#articles article > a:hover {
  background: var(--gradient-cta);
  color: #fff;
}

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

#howto ol {
  counter-reset: howto;
  list-style: none;
  padding: 0;
  margin: 1.5em 0;
}

#howto ol li {
  counter-increment: howto;
  position: relative;
  padding: 16px 20px 16px 64px;
  margin-bottom: 12px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

#howto ol li::before {
  content: counter(howto);
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gradient-cta);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

#howto ol li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

#faq details {
  margin-bottom: 12px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

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

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

#faq summary {
  padding: 18px 52px 18px 22px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: color var(--transition), background var(--transition);
  user-select: none;
}

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

#faq summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gradient-soft);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

#faq details[open] summary::after {
  content: "\2212";
  transform: translateY(-50%) rotate(180deg);
  background: var(--gradient-cta);
  color: #fff;
}

#faq summary:hover {
  color: var(--color-primary);
  background: var(--gradient-soft);
}

#faq details > p {
  margin: 0;
  padding: 0 22px 20px;
  font-size: 0.94rem;
  animation: fadeIn 0.35s ease both;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

#contact address {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin: 1.5em 0;
}

#contact address p {
  margin: 0;
  padding: 16px 20px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

#contact address p:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

#contact address strong {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

#contact address a {
  font-weight: 600;
  word-break: break-all;
}

#sitemap-links ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin: 1em 0 1.5em;
}

#sitemap-links li {
  margin: 0;
}

#sitemap-links li a {
  display: block;
  padding: 10px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: transform var(--transition), color var(--transition), border-color var(--transition), background var(--transition);
}

#sitemap-links li a:hover {
  transform: translateX(4px);
  color: var(--color-primary);
  border-color: var(--color-primary-light);
  background: var(--gradient-soft);
}

footer {
  background: var(--color-surface);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-top: 1px solid var(--color-border);
  padding: 48px 24px 28px;
  margin-top: 24px;
  position: relative;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-hero);
}

footer > section {
  max-width: var(--max-width);
  margin: 0 auto 28px;
}

footer h2 {
  font-size: 1.1rem;
  padding-left: 14px;
}

footer h2::before {
  width: 4px;
}

footer h3 {
  font-size: 0.95rem;
  margin-top: 1.2em;
  color: var(--color-text);
}

footer p {
  font-size: 0.9rem;
  max-width: 820px;
}

footer > p {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

footer small {
  font-size: 0.82rem;
  color: var(--color-text-light);
}

@media (max-width: 1024px) {
  .header-inner {
    gap: 16px;
  }

  #site-header nav a {
    padding: 8px 10px;
    font-size: 0.88rem;
  }

  #site-search {
    width: 150px;
  }

  #site-search:focus {
    width: 180px;
  }
}

@media (max-width: 860px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 20px;
    gap: 12px;
  }

  #site-header nav {
    order: 3;
    flex-basis: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  #site-header nav::-webkit-scrollbar {
    display: none;
  }

  #site-header nav ul {
    flex-wrap: nowrap;
    gap: 2px;
  }

  #site-header nav a {
    white-space: nowrap;
  }

  #site-header form[role="search"] {
    margin-left: auto;
  }

  main > section {
    padding: 28px 24px;
    border-radius: var(--radius-md);
  }

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

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  main {
    padding: 0 14px 48px;
  }

  main > section {
    padding: 22px 18px;
    margin-bottom: 24px;
  }

  #hero {
    margin-top: 14px;
  }

  .hero-inner {
    padding: 32px 22px;
  }

  .cta {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
  }

  #site-header form[role="search"] {
    flex: 1;
    min-width: 0;
  }

  #site-search {
    width: 100%;
    min-width: 0;
    flex: 1;
  }

  #site-search:focus {
    width: 100%;
  }

  h2 {
    padding-left: 14px;
  }

  h2::before {
    width: 4px;
  }

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

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

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

  #howto ol li {
    padding: 14px 16px 14px 56px;
  }

  #howto ol li::before {
    left: 14px;
    width: 30px;
    height: 30px;
    font-size: 0.82rem;
  }

  #faq summary {
    padding: 16px 48px 16px 18px;
    font-size: 0.95rem;
  }

  blockquote {
    padding: 1em 1.1em;
  }

  .breadcrumb {
    padding: 10px 16px;
    font-size: 0.82rem;
  }

  footer {
    padding: 36px 18px 22px;
  }
}

@media (max-width: 380px) {
  .logo span {
    font-size: 1rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  #site-header,
  footer,
  .cta,
  #site-header form[role="search"] {
    display: none !important;
  }

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

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

  #hero {
    background: #f0f0f0;
    color: #000;
  }

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