:root {
  --bg: #f4f6fa;
  --bg-alt: #eaeef5;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.65);
  --surface-glass-strong: rgba(255, 255, 255, 0.85);
  --text: #1a2332;
  --text-soft: #4a5568;
  --text-muted: #718096;
  --border: rgba(26, 35, 50, 0.1);
  --brand: #1a2332;
  --brand-soft: #3d5a80;
  --accent: #f2c14e;
  --accent-deep: #e0a92e;
  --link: #2c5282;
  --shadow-sm: 0 2px 8px rgba(26, 35, 50, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 35, 50, 0.12);
  --shadow-lg: 0 16px 48px rgba(26, 35, 50, 0.18);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --gradient-banner: linear-gradient(135deg, #0f1a2b 0%, #1a2332 35%, #3d5a80 100%);
  --gradient-accent: linear-gradient(135deg, #f2c14e 0%, #e0a92e 100%);
  --gradient-soft: linear-gradient(135deg, rgba(61, 90, 128, 0.08) 0%, rgba(242, 193, 78, 0.08) 100%);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 72px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

body.dark-mode {
  --bg: #0d1420;
  --bg-alt: #121b2a;
  --surface: #1a2332;
  --surface-glass: rgba(26, 35, 50, 0.65);
  --surface-glass-strong: rgba(26, 35, 50, 0.88);
  --text: #e8edf5;
  --text-soft: #b8c4d6;
  --text-muted: #8a99ad;
  --border: rgba(232, 237, 245, 0.12);
  --brand: #e8edf5;
  --brand-soft: #6b8cb8;
  --link: #8ab4e8;
  --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 16px 48px rgba(0, 0, 0, 0.55);
  --gradient-banner: linear-gradient(135deg, #060b14 0%, #0d1420 40%, #243b55 100%);
  --gradient-soft: linear-gradient(135deg, rgba(107, 140, 184, 0.1) 0%, rgba(242, 193, 78, 0.06) 100%);
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(61, 90, 128, 0.08) 0%, transparent 42%),
    radial-gradient(circle at 88% 92%, rgba(242, 193, 78, 0.07) 0%, transparent 46%);
  background-attachment: fixed;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

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

::selection {
  background: var(--accent);
  color: #1a2332;
}

/* ===== Header ===== */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition), box-shadow var(--transition);
}

#site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: var(--surface-glass-strong);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  color: var(--text);
  font-weight: 700;
}

.brand:hover {
  color: var(--text);
}

.brand svg {
  border-radius: var(--radius-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}

.brand:hover svg {
  transform: rotate(-6deg) scale(1.06);
  box-shadow: 0 0 0 3px rgba(242, 193, 78, 0.25), var(--shadow-md);
}

.brand-text {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

body.dark-mode .brand-text {
  background: linear-gradient(135deg, #e8edf5 0%, #8ab4e8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

#main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

#main-nav ul::-webkit-scrollbar {
  display: none;
}

#main-nav a {
  display: inline-block;
  padding: 8px 12px;
  font-size: 0.9rem;
  color: var(--text-soft);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  position: relative;
  transition: color var(--transition), background-color var(--transition), transform var(--transition);
}

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

#main-nav a:hover {
  color: var(--text);
  background: var(--gradient-soft);
  transform: translateY(-1px);
}

#main-nav a:hover::after {
  width: 60%;
}

#site-search {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

#site-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(242, 193, 78, 0.2);
}

#search-input {
  border: none;
  background: transparent;
  padding: 9px 16px;
  font-size: 0.88rem;
  color: var(--text);
  width: 160px;
  outline: none;
  font-family: inherit;
}

#search-input::placeholder {
  color: var(--text-muted);
}

#site-search button {
  padding: 9px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1a2332;
  background: var(--gradient-accent);
  transition: filter var(--transition), transform var(--transition);
}

#site-search button:hover {
  filter: brightness(1.08);
}

#site-search button:active {
  transform: scale(0.96);
}

#menu-toggle,
#theme-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border);
  color: var(--text);
  transition: transform var(--transition), background-color var(--transition), box-shadow var(--transition);
  flex-shrink: 0;
}

#theme-toggle {
  display: flex;
}

#menu-toggle:hover,
#theme-toggle:hover {
  transform: scale(1.08) rotate(8deg);
  box-shadow: var(--shadow-sm);
}

/* ===== Main / Sections ===== */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  margin: 48px 0;
  padding: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  animation: fadeUp 0.7s both;
  transition: box-shadow var(--transition), transform var(--transition), background-color var(--transition);
}

section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-soft);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

section:hover {
  box-shadow: var(--shadow-md);
}

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

section > * {
  position: relative;
  z-index: 1;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 24px;
  padding-bottom: 14px;
  position: relative;
  letter-spacing: 0.01em;
}

section h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 4px;
  border-radius: 4px;
  background: var(--gradient-accent);
  transition: width var(--transition);
}

section:hover h2::after {
  width: 96px;
}

section h3 {
  font-size: 1.12rem;
  color: var(--text);
  margin: 28px 0 10px;
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}

section h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  bottom: 0.35em;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--brand-soft) 100%);
}

section h3:first-child {
  margin-top: 0;
}

section p {
  color: var(--text-soft);
  margin-bottom: 14px;
  max-width: 78ch;
}

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

/* ===== Banner ===== */
#banner {
  margin-top: 32px;
  padding: 56px 48px;
  background: var(--gradient-banner);
  border: none;
  color: #e8edf5;
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

#banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 15%, rgba(242, 193, 78, 0.28) 0%, transparent 38%),
    radial-gradient(circle at 15% 85%, rgba(61, 90, 128, 0.55) 0%, transparent 50%);
  opacity: 1;
  z-index: -1;
}

#banner h1 {
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
  max-width: 22ch;
}

#banner > p {
  color: rgba(232, 237, 245, 0.85);
  max-width: 72ch;
  margin-bottom: 32px;
  font-size: 1rem;
  line-height: 1.85;
}

/* ===== Carousel ===== */
.carousel {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-md);
}

.slide {
  display: none;
  position: relative;
  animation: slideFade 0.6s ease both;
}

.slide.active {
  display: block;
}

@keyframes slideFade {
  from {
    opacity: 0;
    transform: scale(1.02);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.slide svg {
  width: 100%;
  height: auto;
  display: block;
}

.slide figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 40px 24px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.03em;
  background: linear-gradient(180deg, transparent 0%, rgba(6, 11, 20, 0.85) 100%);
}

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  line-height: 1;
  color: #ffffff;
  background: rgba(26, 35, 50, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.2);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
  z-index: 5;
}

.carousel-prev {
  left: 16px;
}

.carousel-next {
  right: 16px;
}

.carousel-prev:hover,
.carousel-next:hover {
  background: var(--gradient-accent);
  color: #1a2332;
  box-shadow: 0 0 0 4px rgba(242, 193, 78, 0.25), var(--shadow-md);
}

.carousel-prev:hover {
  transform: translateY(-50%) translateX(-3px) scale(1.05);
}

.carousel-next:hover {
  transform: translateY(-50%) translateX(3px) scale(1.05);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-size: 0.85rem;
  color: rgba(232, 237, 245, 0.7);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  color: rgba(232, 237, 245, 0.4);
}

.breadcrumb a {
  color: rgba(232, 237, 245, 0.85);
  padding: 2px 4px;
  border-radius: 4px;
  transition: color var(--transition), background-color var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
}

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

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

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

#articles article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(242, 193, 78, 0.45);
}

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

#articles article h3 {
  margin-top: 0;
  margin-bottom: 8px;
  padding-left: 14px;
}

#articles article h3::before {
  background: var(--gradient-accent);
}

#articles article p {
  margin-bottom: 8px;
  font-size: 0.92rem;
}

#articles article p:first-of-type {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 2px 12px;
  margin-bottom: 12px;
}

#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--link);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

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

#articles article a:hover {
  color: #1a2332;
  background: var(--gradient-accent);
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}

#articles article a:hover::after {
  transform: translateX(4px);
}

/* ===== FAQ / Details ===== */
#faq details {
  margin-bottom: 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

#faq details:hover {
  border-color: rgba(242, 193, 78, 0.4);
  box-shadow: var(--shadow-sm);
}

#faq details[open] {
  border-color: rgba(242, 193, 78, 0.55);
  box-shadow: var(--shadow-md);
}

#faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 52px 18px 22px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  position: relative;
  transition: color var(--transition), background-color 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: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1;
  color: #1a2332;
  background: var(--gradient-accent);
  border-radius: 50%;
  transition: transform var(--transition), background-color var(--transition);
}

#faq details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
}

#faq summary:hover {
  color: var(--accent-deep);
  background: rgba(242, 193, 78, 0.06);
}

#faq details p {
  padding: 0 22px 20px;
  margin: 0;
  color: var(--text-soft);
  font-size: 0.95rem;
  animation: fadeUp 0.35s both;
}

/* ===== HowTo ===== */
#howto ol {
  counter-reset: step;
  margin: 18px 0;
}

#howto ol li {
  counter-increment: step;
  position: relative;
  padding: 14px 18px 14px 60px;
  margin-bottom: 12px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

#howto ol li::before {
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: #1a2332;
  background: var(--gradient-accent);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

#howto ol li:hover {
  transform: translateX(6px);
  border-color: rgba(242, 193, 78, 0.45);
  box-shadow: var(--shadow-sm);
}

/* ===== Sitemap / Links lists ===== */
#sitemap ul,
#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

#sitemap li,
#links li {
  flex: 0 0 auto;
}

#sitemap a,
#links a {
  display: inline-block;
  padding: 9px 20px;
  font-size: 0.9rem;
  color: var(--text-soft);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition: all var(--transition);
}

#sitemap a:hover,
#links a:hover {
  color: #1a2332;
  background: var(--gradient-accent);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ===== Contact ===== */
#contact p {
  padding: 10px 16px;
  margin-bottom: 8px;
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.94rem;
  transition: transform var(--transition), background-color var(--transition);
}

#contact p:hover {
  transform: translateX(4px);
  background: var(--gradient-soft);
}

/* ===== Footer ===== */
footer {
  margin-top: 64px;
  padding: 48px 24px 40px;
  text-align: center;
  background: var(--gradient-banner);
  color: rgba(232, 237, 245, 0.8);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 50% 0%, rgba(242, 193, 78, 0.15) 0%, transparent 55%);
  pointer-events: none;
}

footer p {
  position: relative;
  margin: 6px 0;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
}

footer p:first-child {
  font-weight: 600;
  color: #ffffff;
}

/* ===== Back to top ===== */
#back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: #1a2332;
  background: var(--gradient-accent);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.85);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition), box-shadow var(--transition);
  z-index: 900;
}

#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

#back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 0 0 5px rgba(242, 193, 78, 0.22), var(--shadow-lg);
}

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1080px) {
  #main-nav ul {
    gap: 0;
  }

  #main-nav a {
    padding: 8px 9px;
    font-size: 0.85rem;
  }

  #search-input {
    width: 120px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 64px;
  }

  .header-inner {
    padding: 0 16px;
    gap: 12px;
  }

  #main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--surface-glass-strong);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.4s ease, opacity var(--transition), visibility var(--transition);
    z-index: 999;
  }

  #main-nav.open {
    max-height: 80vh;
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
  }

  #main-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 20px;
    gap: 4px;
  }

  #main-nav a {
    display: block;
    padding: 12px 16px;
    font-size: 0.98rem;
    border-radius: var(--radius-sm);
  }

  #main-nav a::after {
    display: none;
  }

  #menu-toggle {
    display: flex;
    order: 2;
  }

  #theme-toggle {
    order: 3;
  }

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

  #search-input {
    width: 100%;
  }

  .brand {
    order: 0;
  }

  .brand-text {
    display: none;
  }

  main {
    padding: 0 16px;
  }

  section {
    margin: 28px 0;
    padding: 28px 22px;
    border-radius: var(--radius-md);
  }

  #banner {
    padding: 36px 24px;
    margin-top: 20px;
  }

  .carousel-prev,
  .carousel-next {
    width: 38px;
    height: 38px;
    font-size: 1.3rem;
  }

  .carousel-prev {
    left: 10px;
  }

  .carousel-next {
    right: 10px;
  }

  .slide figcaption {
    font-size: 0.85rem;
    padding: 32px 16px 14px;
  }
}

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

  .header-inner {
    flex-wrap: nowrap;
  }

  #site-search {
    display: none;
  }

  #banner h1 {
    font-size: 1.4rem;
  }

  section {
    padding: 22px 16px;
  }

  section h2 {
    font-size: 1.25rem;
    margin-bottom: 18px;
  }

  section h3 {
    font-size: 1.02rem;
    margin-top: 22px;
  }

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

  #faq summary {
    padding: 15px 48px 15px 16px;
    font-size: 0.94rem;
  }

  #faq details p {
    padding: 0 16px 16px;
  }

  #howto ol li {
    padding: 12px 14px 12px 52px;
  }

  #howto ol li::before {
    left: 12px;
    width: 28px;
    height: 28px;
    font-size: 0.85rem;
  }

  #sitemap a,
  #links a {
    padding: 8px 14px;
    font-size: 0.85rem;
  }

  #back-to-top {
    width: 44px;
    height: 44px;
    right: 16px;
    bottom: 16px;
  }

  footer {
    padding: 36px 16px 32px;
    margin-top: 40px;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  #site-header,
  #back-to-top,
  .carousel-prev,
  .carousel-next,
  #site-search {
    display: none !important;
  }

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

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