:root {
  --color-bg: #f7f3ec;
  --color-bg-alt: #efe7db;
  --color-surface: rgba(255, 255, 255, 0.72);
  --color-surface-solid: #ffffff;
  --color-surface-glass: rgba(255, 255, 255, 0.55);
  --color-border: rgba(122, 92, 62, 0.16);
  --color-text: #3a2e24;
  --color-text-soft: #6b5a49;
  --color-text-muted: #8c7a67;
  --color-primary: #7a5c3e;
  --color-primary-soft: #a8845f;
  --color-indigo: #3b5e8c;
  --color-leaf: #4a7c59;
  --color-amber: #c17a3f;
  --color-gold: #d4a017;
  --color-white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(58, 46, 36, 0.06);
  --shadow-md: 0 8px 24px rgba(58, 46, 36, 0.1);
  --shadow-lg: 0 18px 48px rgba(58, 46, 36, 0.14);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --grad-primary: linear-gradient(135deg, #7a5c3e 0%, #a8845f 45%, #4a7c59 100%);
  --grad-banner: linear-gradient(120deg, #3b5e8c 0%, #4a7c59 40%, #c17a3f 78%, #d4a017 100%);
  --grad-soft: linear-gradient(135deg, rgba(122, 92, 62, 0.08), rgba(74, 124, 89, 0.08));
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Songti SC", "Noto Serif SC", "STSong", Georgia, serif;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.25rem;
  --space-2xl: 5rem;
  --maxw: 1180px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

[data-theme="dark"] {
  --color-bg: #1a1714;
  --color-bg-alt: #221d18;
  --color-surface: rgba(43, 37, 31, 0.72);
  --color-surface-solid: #2b251f;
  --color-surface-glass: rgba(43, 37, 31, 0.55);
  --color-border: rgba(212, 160, 23, 0.18);
  --color-text: #f0e8dc;
  --color-text-soft: #cdbfae;
  --color-text-muted: #a3937f;
  --color-primary: #d4a017;
  --color-primary-soft: #e0b954;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.5);
  --grad-soft: linear-gradient(135deg, rgba(212, 160, 23, 0.1), rgba(74, 124, 89, 0.1));
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 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(74, 124, 89, 0.1), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(193, 122, 63, 0.12), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(59, 94, 140, 0.08), transparent 55%);
  background-attachment: fixed;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
  overflow-x: hidden;
}

[data-theme="dark"] body {
  background-image:
    radial-gradient(circle at 12% 8%, rgba(74, 124, 89, 0.16), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(193, 122, 63, 0.14), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(59, 94, 140, 0.14), transparent 55%);
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.25s var(--ease), opacity 0.25s var(--ease);
}

a:hover,
a:focus-visible {
  color: var(--color-amber);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 6px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  line-height: 1.3;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.9rem);
  margin: 0 0 var(--space-md);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  margin: 0 0 var(--space-md);
  position: relative;
  padding-bottom: 0.5em;
}

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

h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  margin: 0 0 var(--space-sm);
}

p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-soft);
}

ul,
ol {
  margin: 0 0 var(--space-md);
  padding-left: 1.4em;
  color: var(--color-text-soft);
}

li {
  margin-bottom: 0.4em;
}

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

dl {
  margin: 0 0 var(--space-md);
}

dt {
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-sm);
}

dd {
  margin: 0 0 var(--space-xs);
  color: var(--color-text-soft);
}

blockquote {
  margin: 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface-glass);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

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

blockquote footer {
  margin-top: var(--space-sm);
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: right;
}

time {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

address {
  font-style: normal;
}

details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-sm);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

details:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary-soft);
}

details[open] {
  box-shadow: var(--shadow-md);
}

summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-xs) 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.6em;
}

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

summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5em;
  height: 1.5em;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #fff;
  font-size: 0.9rem;
  line-height: 1;
  transition: transform 0.3s var(--ease);
}

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

details p {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px dashed var(--color-border);
}

header[role="banner"] {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface-glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

header[role="banner"] nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.6rem var(--space-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

header[role="banner"] nav > a[title="色哟哟首页"] {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.08em;
  white-space: nowrap;
  transition: transform 0.3s var(--ease);
}

header[role="banner"] nav > a[title="色哟哟首页"]:hover {
  transform: scale(1.06);
}

header[role="banner"] nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.1rem;
  flex: 1 1 auto;
}

header[role="banner"] nav ul li a {
  display: inline-block;
  padding: 0.35em 0.7em;
  font-size: 0.9rem;
  color: var(--color-text-soft);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

header[role="banner"] nav ul li a:hover,
header[role="banner"] nav ul li a:focus-visible {
  background: var(--grad-soft);
  color: var(--color-primary);
  transform: translateY(-2px);
}

header[role="banner"] nav form[role="search"] {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex: 0 1 auto;
}

header[role="banner"] nav form[role="search"] label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

header[role="banner"] nav form[role="search"] input[type="search"] {
  width: 180px;
  padding: 0.5em 0.9em;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  transition: width 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

header[role="banner"] nav form[role="search"] input[type="search"]::placeholder {
  color: var(--color-text-muted);
}

header[role="banner"] nav form[role="search"] input[type="search"]:focus {
  width: 240px;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(122, 92, 62, 0.15);
  outline: none;
}

header[role="banner"] nav form[role="search"] button {
  padding: 0.5em 1.1em;
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--grad-primary);
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), filter 0.25s var(--ease);
}

header[role="banner"] nav form[role="search"] button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  filter: brightness(1.08);
}

header[role="banner"] nav > button {
  padding: 0.45em 0.95em;
  font-size: 0.85rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

header[role="banner"] nav > button:hover {
  background: var(--grad-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

#menu-toggle {
  display: none;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) var(--space-2xl);
}

nav[aria-label="面包屑导航"] {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) 0;
}

nav[aria-label="面包屑导航"] ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4em;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

nav[aria-label="面包屑导航"] li + li::before {
  content: "/";
  margin-right: 0.4em;
  color: var(--color-border);
}

nav[aria-label="面包屑导航"] a {
  color: var(--color-text-soft);
}

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

section {
  margin-bottom: var(--space-xl);
}

section > h2 {
  margin-top: 0;
}

section > article {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

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

section > article svg {
  border-radius: var(--radius-sm);
  margin-top: var(--space-sm);
}

#banner {
  position: relative;
  margin-top: var(--space-md);
  margin-bottom: var(--space-xl);
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--grad-banner);
  background-size: 200% 200%;
  animation: bannerShift 16s ease infinite;
  color: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

#banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.28), transparent 45%),
    radial-gradient(circle at 82% 78%, rgba(255, 255, 255, 0.18), transparent 50%);
  pointer-events: none;
}

#banner > h2 {
  position: relative;
  color: #fff;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
}

#banner > h2::after {
  background: rgba(255, 255, 255, 0.85);
}

@keyframes bannerShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

#banner div[role="region"] {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

#banner div[role="region"] article {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  transition: transform 0.4s var(--ease), background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

#banner div[role="region"] article:hover {
  transform: translateY(-6px) scale(1.015);
  background: rgba(255, 255, 255, 0.22);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.22);
}

#banner div[role="region"] article h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.25);
}

#banner div[role="region"] article p {
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

#banner div[role="region"] article svg {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-top: var(--space-sm);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

#brand {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

#brand h1 {
  margin-bottom: var(--space-lg);
}

#brand p {
  font-size: 1.02rem;
  line-height: 1.9;
}

#about dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem var(--space-md);
  background: var(--grad-soft);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

#about dt {
  margin-top: 0;
  font-weight: 600;
  color: var(--color-primary);
}

#history {
  position: relative;
}

#history article {
  position: relative;
  padding-left: calc(var(--space-lg) + 8px);
}

#history article::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-lg);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--grad-primary);
  box-shadow: 0 0 0 4px rgba(122, 92, 62, 0.16);
}

#history article::after {
  content: "";
  position: absolute;
  left: 6px;
  top: calc(var(--space-lg) + 20px);
  bottom: calc(var(--space-lg) - 4px);
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary-soft), transparent);
}

#history article:last-child::after {
  display: none;
}

#culture h3 {
  color: var(--color-primary);
  margin-top: var(--space-md);
}

#culture ul {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: var(--space-sm);
}

#culture ul li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

#culture ul li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

#products > article {
  display: flow-root;
}

#products > article svg {
  margin-top: var(--space-md);
}

#advantages h3 {
  color: var(--color-primary);
  margin-top: var(--space-md);
}

#advantages p {
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-border);
}

#solutions article h3 {
  color: var(--color-indigo);
}

#applications ul {
  list-style: none;
  padding-left: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-sm);
}

#applications ul li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

#applications ul li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-soft);
}

#reviews {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

#reviews > h2 {
  grid-column: 1 / -1;
}

#reviews blockquote {
  margin: 0;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

#reviews blockquote:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

#news article {
  position: relative;
}

#news article h3 {
  color: var(--color-primary);
}

#news article a {
  display: inline-block;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.35em 0.9em;
  border-radius: var(--radius-pill);
  background: var(--grad-soft);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

#news article a:hover {
  background: var(--grad-primary);
  color: #fff;
  transform: translateX(4px);
}

#articles article {
  display: flex;
  flex-direction: column;
}

#articles article h3 {
  color: var(--color-indigo);
}

#articles article a {
  align-self: flex-start;
  margin-top: auto;
  display: inline-block;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.35em 0.9em;
  border-radius: var(--radius-pill);
  background: var(--grad-soft);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

#articles article a:hover {
  background: var(--grad-primary);
  color: #fff;
  transform: translateX(4px);
}

#knowledge article h3 {
  color: var(--color-leaf);
}

#faq details {
  background: var(--color-surface);
}

#howto {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

#howto h3 {
  color: var(--color-primary);
  margin-top: var(--space-lg);
}

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

#howto ol li {
  counter-increment: step;
  position: relative;
  padding-left: 3em;
  margin-bottom: var(--space-md);
  min-height: 2em;
}

#howto ol li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2em;
  height: 2em;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

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

#howto ul li {
  position: relative;
  padding-left: 1.6em;
}

#howto ul li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--color-primary-soft);
  font-size: 0.7rem;
  top: 0.45em;
}

#contact address dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem var(--space-md);
  background: var(--grad-soft);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
}

#contact dt {
  margin-top: 0;
  font-weight: 600;
  color: var(--color-primary);
}

#sitemap ul,
#links ul {
  list-style: none;
  padding-left: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-xs);
}

#sitemap ul li a,
#links ul li a {
  display: block;
  padding: 0.5em 0.9em;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  text-align: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

#sitemap ul li a:hover,
#links ul li a:hover {
  background: var(--grad-primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

#editorial article h3 {
  color: var(--color-primary);
}

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

#credentials ul li {
  position: relative;
  padding-left: 1.6em;
  margin-bottom: var(--space-xs);
}

#credentials ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-leaf);
  font-weight: 700;
}

#legal h2 {
  margin-top: var(--space-lg);
}

#dates dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem var(--space-md);
  background: var(--grad-soft);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
}

#dates dt {
  margin-top: 0;
  font-weight: 600;
  color: var(--color-primary);
}

footer[role="contentinfo"] {
  background: var(--color-surface-glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

footer[role="contentinfo"] p {
  margin: 0 0 var(--space-xs);
  color: var(--color-text-muted);
}

footer[role="contentinfo"] nav ul {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

footer[role="contentinfo"] nav ul li a {
  display: inline-block;
  padding: 0.35em 0.9em;
  border-radius: var(--radius-pill);
  color: var(--color-text-soft);
  border: 1px solid var(--color-border);
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

footer[role="contentinfo"] nav ul li a:hover {
  background: var(--grad-primary);
  color: #fff;
  transform: translateY(-2px);
}

@supports (animation-timeline: view()) {
  section,
  section > article,
  #reviews blockquote,
  #applications ul li,
  #culture ul li {
    animation: fadeUp 0.7s var(--ease) both;
    animation-timeline: view();
    animation-range: entry 0% cover 28%;
  }
}

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

@media (max-width: 1024px) {
  header[role="banner"] nav ul li a {
    font-size: 0.82rem;
    padding: 0.3em 0.55em;
  }

  header[role="banner"] nav form[role="search"] input[type="search"] {
    width: 140px;
  }

  header[role="banner"] nav form[role="search"] input[type="search"]:focus {
    width: 180px;
  }
}

@media (max-width: 860px) {
  header[role="banner"] nav {
    padding: 0.55rem var(--space-sm);
  }

  header[role="banner"] nav ul {
    order: 5;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    flex-direction: column;
    gap: 0.1rem;
    transition: max-height 0.4s var(--ease), opacity 0.3s var(--ease), padding 0.3s var(--ease);
  }

  header[role="banner"] nav.menu-open ul {
    max-height: 70vh;
    overflow-y: auto;
    opacity: 1;
    padding: var(--space-xs) 0;
  }

  header[role="banner"] nav ul li a {
    display: block;
    width: 100%;
    padding: 0.6em 0.9em;
    font-size: 0.95rem;
  }

  #menu-toggle {
    display: inline-block;
  }

  header[role="banner"] nav form[role="search"] {
    order: 6;
    flex-basis: 100%;
  }

  header[role="banner"] nav form[role="search"] input[type="search"],
  header[role="banner"] nav form[role="search"] input[type="search"]:focus {
    width: 100%;
  }

  #banner {
    padding: var(--space-lg) var(--space-md);
  }

  #brand,
  #howto {
    padding: var(--space-lg) var(--space-md);
  }

  #about dl,
  #contact address dl,
  #dates dl {
    grid-template-columns: 1fr;
  }

  #about dt,
  #contact dt,
  #dates dt {
    margin-top: var(--space-sm);
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }

  main {
    padding: var(--space-sm) var(--space-sm) var(--space-xl);
  }

  section {
    margin-bottom: var(--space-lg);
  }

  section > article {
    padding: var(--space-md);
  }

  #banner div[role="region"] {
    grid-template-columns: 1fr;
  }

  #reviews {
    grid-template-columns: 1fr;
  }

  #sitemap ul,
  #links ul {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  }

  h2::after {
    width: 48px;
  }

  #howto ol li {
    padding-left: 2.6em;
  }

  #howto ol li::before {
    width: 1.8em;
    height: 1.8em;
    font-size: 0.8rem;
  }
}

@media print {
  header[role="banner"],
  footer[role="contentinfo"],
  #banner,
  #menu-toggle,
  #theme-toggle {
    display: none;
  }

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

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