:root {
  --bg: #f5f2ec;
  --bg-soft: #fffdf9;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.62);
  --surface-glass-strong: rgba(255, 255, 255, 0.82);
  --border: rgba(26, 26, 46, 0.1);
  --border-strong: rgba(26, 26, 46, 0.18);
  --text: #1a1a2e;
  --text-soft: #4a4a63;
  --text-muted: #6f6f85;
  --accent: #c2410c;
  --accent-2: #0f766e;
  --accent-3: #b45309;
  --grad-a: #1a1a2e;
  --grad-b: #2d1b4e;
  --grad-c: #7c2d12;
  --grad-d: #0f766e;
  --shadow-sm: 0 1px 2px rgba(26, 26, 46, 0.06), 0 2px 8px rgba(26, 26, 46, 0.05);
  --shadow-md: 0 4px 12px rgba(26, 26, 46, 0.08), 0 12px 32px rgba(26, 26, 46, 0.08);
  --shadow-lg: 0 8px 24px rgba(26, 26, 46, 0.12), 0 24px 64px rgba(26, 26, 46, 0.12);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --max-width: 1180px;
  --transition: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e18;
    --bg-soft: #12121f;
    --surface: #181828;
    --surface-glass: rgba(24, 24, 40, 0.58);
    --surface-glass-strong: rgba(24, 24, 40, 0.82);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #ecebf3;
    --text-soft: #b8b7c8;
    --text-muted: #8b8aa0;
    --accent: #fb923c;
    --accent-2: #2dd4bf;
    --accent-3: #fbbf24;
    --grad-a: #0b0b14;
    --grad-b: #1e1338;
    --grad-c: #5a1f0c;
    --grad-d: #0a4f49;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5), 0 12px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6), 0 24px 64px rgba(0, 0, 0, 0.5);
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(194, 65, 12, 0.08), transparent 60%),
    radial-gradient(ellipse 70% 50% at 95% 0%, rgba(15, 118, 110, 0.08), transparent 55%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(45, 27, 78, 0.06), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

@media (prefers-color-scheme: dark) {
  body {
    background-image:
      radial-gradient(ellipse 80% 50% at 10% -10%, rgba(251, 146, 60, 0.07), transparent 60%),
      radial-gradient(ellipse 70% 50% at 95% 0%, rgba(45, 212, 191, 0.06), transparent 55%),
      radial-gradient(ellipse 60% 40% at 50% 100%, rgba(124, 45, 18, 0.08), transparent 60%);
  }
}

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

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--text);
  margin: 0 0 0.6em;
  font-weight: 700;
  text-wrap: balance;
}

h1 {
  font-size: clamp(1.65rem, 4.2vw, 2.75rem);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.95rem);
  position: relative;
  padding-bottom: 0.5em;
  margin-top: 0;
}

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

h3 {
  font-size: clamp(1.08rem, 2.2vw, 1.32rem);
  margin-top: 1.6em;
}

p {
  margin: 0 0 1em;
  color: var(--text-soft);
  text-wrap: pretty;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition), background-color var(--transition), box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

a:hover {
  color: var(--accent-2);
}

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

ul, ol {
  margin: 0 0 1.2em;
  padding-left: 1.35em;
  color: var(--text-soft);
}

li {
  margin-bottom: 0.45em;
}

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

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

time {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

blockquote {
  margin: 1.4em 0;
  padding: 1em 1.3em;
  border-left: 3px solid var(--accent);
  background: var(--surface-glass);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

/* ========== Header ========== */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface-glass-strong);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.top-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.45rem clamp(1rem, 4vw, 2rem);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border);
}

.top-bar span:first-child {
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
}

#site-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.55rem clamp(1rem, 4vw, 2rem);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

#site-header nav a {
  flex: 0 0 auto;
  padding: 0.42em 0.85em;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-soft);
  border-radius: 999px;
  white-space: nowrap;
  position: relative;
  transition: color var(--transition), background-color var(--transition), transform var(--transition);
}

#site-header nav a::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(194, 65, 12, 0.1), rgba(15, 118, 110, 0.1));
  opacity: 0;
  transition: opacity var(--transition);
  z-index: -1;
}

#site-header nav a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

#site-header nav a:hover::before {
  opacity: 1;
}

/* ========== Main layout ========== */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2rem) clamp(1rem, 4vw, 2rem) 4rem;
  display: flex;
  flex-direction: column;
  gap: clamp(1.4rem, 3.5vw, 2.6rem);
}

main > section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.3rem, 3.5vw, 2.6rem);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

main > section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  opacity: 0;
  transition: opacity var(--transition);
}

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

main > section:hover::before {
  opacity: 1;
}

/* Scroll-in animation */
main > section,
main > nav[aria-label="面包屑导航"] {
  animation: fadeUp 0.7s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

@supports (animation-timeline: view()) {
  main > section {
    animation: fadeUp linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 30%;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== Banner ========== */
#banner {
  background:
    linear-gradient(135deg, var(--grad-a) 0%, var(--grad-b) 45%, var(--grad-c) 100%);
  color: #f5f2ec;
  border: none;
  padding: clamp(1.6rem, 4.5vw, 3.4rem);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

#banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle 380px at 85% 15%, rgba(251, 146, 60, 0.28), transparent 70%),
    radial-gradient(circle 300px at 8% 85%, rgba(45, 212, 191, 0.22), transparent 70%);
  z-index: -1;
  pointer-events: none;
}

#banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 30%, transparent 75%);
  z-index: -1;
  pointer-events: none;
}

#banner h1 {
  color: #fffdf9;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
  max-width: 22ch;
}

#banner > p {
  color: rgba(245, 242, 236, 0.86);
  max-width: 68ch;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
}

.banner-slides {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: clamp(0.8rem, 2vw, 1.2rem);
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.banner-slides article {
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  transition: transform var(--transition), background-color var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.banner-slides article::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(251, 146, 60, 0.14), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.banner-slides article:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.32);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.banner-slides article:hover::after {
  opacity: 1;
}

.banner-slides h2 {
  color: #fffdf9;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  margin-bottom: 0.45em;
  padding-bottom: 0.4em;
}

.banner-slides h2::after {
  background: linear-gradient(90deg, #fb923c, #2dd4bf);
  width: 40px;
  height: 2px;
}

.banner-slides p {
  color: rgba(245, 242, 236, 0.78);
  font-size: 0.9rem;
  margin: 0;
}

/* ========== Breadcrumb ========== */
main > nav[aria-label="面包屑导航"] {
  padding: 0 0.4rem;
}

main > nav[aria-label="面包屑导航"] ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

main > nav[aria-label="面包屑导航"] li {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

main > nav[aria-label="面包屑导航"] li + li::before {
  content: "›";
  color: var(--text-muted);
  opacity: 0.6;
  font-size: 1rem;
  line-height: 1;
}

main > nav[aria-label="面包屑导航"] li[aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}

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

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

/* ========== Intro & list sections ========== */
#intro ul,
#products ul,
#applications ul,
#howto ul,
#howto ol,
#contact ul,
#sitemap ul,
#links ul {
  padding-left: 0;
  list-style: none;
}

#intro ul li,
#products ul li,
#applications ul li,
#howto ul li,
#contact ul li,
#sitemap ul li,
#links ul li {
  position: relative;
  padding-left: 1.6em;
  margin-bottom: 0.6em;
  line-height: 1.7;
}

#intro ul li::before,
#products ul li::before,
#applications ul li::before,
#howto ul li::before,
#contact ul li::before,
#sitemap ul li::before,
#links ul li::before {
  content: "";
  position: absolute;
  left: 0.25em;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transform: rotate(45deg);
  transition: transform var(--transition);
}

#intro ul li:hover::before,
#products ul li:hover::before,
#applications ul li:hover::before,
#howto ul li:hover::before,
#contact ul li:hover::before,
#sitemap ul li:hover::before,
#links ul li:hover::before {
  transform: rotate(135deg) scale(1.2);
}

#howto ol {
  counter-reset: step;
}

#howto ol li {
  position: relative;
  padding-left: 2.6em;
  margin-bottom: 0.9em;
  counter-increment: step;
}

#howto ol li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.85em;
  height: 1.85em;
  display: grid;
  place-items: center;
  font-size: 0.82rem;
  font-weight: 700;
  font-family: var(--font-sans);
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(194, 65, 12, 0.3);
  transition: transform var(--transition), box-shadow var(--transition);
}

#howto ol li:hover::before {
  transform: scale(1.12);
  box-shadow: 0 4px 14px rgba(194, 65, 12, 0.45);
}

/* ========== Products / Solutions / Applications ========== */
#products h3,
#solutions h3,
#applications h3,
#knowledge h3 {
  display: inline-block;
  padding: 0.15em 0.7em;
  margin-left: -0.7em;
  border-radius: 8px;
  background: linear-gradient(120deg, rgba(194, 65, 12, 0.09), rgba(15, 118, 110, 0.07));
  transition: background-color var(--transition), transform var(--transition);
}

#products h3:hover,
#solutions h3:hover,
#applications h3:hover,
#knowledge h3:hover {
  transform: translateX(3px);
}

/* ========== Cases ========== */
#cases blockquote {
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

#cases blockquote:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* ========== News & Articles ========== */
#news article,
#articles article {
  position: relative;
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  margin-bottom: 1.1rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
}

#news article::before,
#articles article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.2rem;
  bottom: 1.2rem;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  opacity: 0;
  transform: scaleY(0.4);
  transition: opacity var(--transition), transform var(--transition);
}

#news article:hover,
#articles article:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

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

#news article h3,
#articles article h3 {
  margin-top: 0;
  font-size: clamp(1.02rem, 2vw, 1.18rem);
  transition: color var(--transition);
}

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

#news article time,
#articles article time {
  margin-bottom: 0.5em;
}

#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.35em 0.9em;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  transition: all var(--transition);
}

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

#articles article a:hover {
  color: #fff;
  background: linear-gradient(120deg, var(--accent), var(--accent-3));
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(194, 65, 12, 0.3);
}

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

/* ========== FAQ ========== */
#faq h3 {
  position: relative;
  padding: 0.85em 1.1em 0.85em 2.6em;
  margin: 1em 0 0.7em;
  font-size: clamp(0.98rem, 1.9vw, 1.1rem);
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
}

#faq h3::before {
  content: "Q";
  position: absolute;
  left: 0.85em;
  top: 50%;
  transform: translateY(-50%);
  width: 1.5em;
  height: 1.5em;
  display: grid;
  place-items: center;
  font-family: var(--font-sans);
  font-size: 0.78em;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(194, 65, 12, 0.3);
}

#faq h3:hover {
  background: var(--surface);
  border-color: var(--border-strong);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

#faq h3 + p {
  padding-left: 1.1em;
  border-left: 2px solid var(--border);
  margin-left: 0.55em;
  margin-bottom: 1.4em;
  transition: border-color var(--transition);
}

#faq h3 + p:hover {
  border-color: var(--accent);
}

/* ========== Contact ========== */
#contact ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 0.4rem 1.5rem;
}

#contact ul li {
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.7em 1em 0.7em 2.6em;
  font-size: 0.92rem;
  transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
}

#contact ul li::before {
  left: 1em;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

#contact ul li:hover {
  background: var(--surface);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

#contact ul li:hover::before {
  transform: translateY(-50%) rotate(135deg) scale(1.2);
}

/* ========== Sitemap & Links ========== */
#sitemap ul,
#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

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

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

#sitemap ul a,
#links ul a {
  display: inline-block;
  padding: 0.45em 1em;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-soft);
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition);
}

#sitemap ul a:hover,
#links ul a:hover {
  color: #fff;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(15, 118, 110, 0.25);
}

/* ========== Legal ========== */
#legal {
  background: linear-gradient(160deg, var(--surface), var(--bg-soft));
}

#legal h2 {
  margin-top: 1.4em;
}

#legal h2:first-child {
  margin-top: 0;
}

#legal h2::after {
  background: linear-gradient(90deg, var(--text-muted), var(--accent));
  width: 36px;
  height: 2px;
}

/* ========== Author info ========== */
#author-info {
  background: linear-gradient(135deg, rgba(194, 65, 12, 0.06), rgba(15, 118, 110, 0.06));
  border: 1px dashed var(--border-strong);
}

#author-info p {
  font-size: 0.92rem;
}

#author-info p:last-child {
  margin-bottom: 0;
  padding-top: 0.8em;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* ========== Footer ========== */
body > footer {
  background: var(--surface-glass-strong);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-top: 1px solid var(--border);
  padding: clamp(1.5rem, 4vw, 2.6rem) clamp(1rem, 4vw, 2rem);
  text-align: center;
}

body > footer p {
  max-width: var(--max-width);
  margin: 0 auto 0.55em;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
}

body > footer p:first-child {
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: 0.02em;
}

/* ========== Responsive ========== */
@media (max-width: 860px) {
  body {
    font-size: 15.5px;
  }

  .top-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
    font-size: 0.74rem;
  }

  #site-header nav {
    padding-top: 0.45rem;
    padding-bottom: 0.45rem;
    gap: 0.1rem;
  }

  #site-header nav a {
    font-size: 0.82rem;
    padding: 0.38em 0.7em;
  }

  main > section {
    border-radius: var(--radius-md);
  }

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

@media (max-width: 560px) {
  body {
    font-size: 15px;
    line-height: 1.75;
  }

  main {
    gap: 1rem;
    padding-bottom: 2.5rem;
  }

  main > section {
    padding: 1.15rem;
    border-radius: var(--radius-sm);
  }

  #banner {
    padding: 1.3rem 1.1rem;
  }

  #banner h1 {
    font-size: 1.45rem;
    max-width: none;
  }

  .banner-slides {
    grid-template-columns: 1fr;
  }

  h2::after {
    width: 42px;
  }

  #faq h3 {
    padding: 0.75em 0.9em 0.75em 2.4em;
  }

  #sitemap ul,
  #links ul {
    gap: 0.4rem;
  }

  #sitemap ul a,
  #links ul a {
    font-size: 0.8rem;
    padding: 0.4em 0.85em;
  }

  body > footer p {
    font-size: 0.76rem;
  }
}

/* ========== Utility: glass card for future content ========== */
.glass-card {
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

/* ========== Print ========== */
@media print {
  #site-header,
  body > footer,
  #banner::before,
  #banner::after,
  main > section::before {
    display: none !important;
  }

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

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

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