:root {
  --bg-primary: #0a0a14;
  --bg-secondary: #12121f;
  --bg-tertiary: #1a1a2e;
  --bg-card: rgba(26, 26, 46, 0.72);
  --bg-glass: rgba(26, 26, 46, 0.55);
  --bg-glass-strong: rgba(26, 26, 46, 0.82);
  --text-primary: #f0f0f5;
  --text-secondary: #b8b8cc;
  --text-muted: #7a7a95;
  --accent: #e94560;
  --accent-hover: #ff5a75;
  --accent-soft: rgba(233, 69, 96, 0.15);
  --accent-glow: rgba(233, 69, 96, 0.35);
  --blue: #0f3460;
  --blue-light: #16213e;
  --gold: #f0e68c;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(233, 69, 96, 0.4);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --max-width: 1200px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #f5f5fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #eeeef5;
    --bg-card: rgba(255, 255, 255, 0.78);
    --bg-glass: rgba(255, 255, 255, 0.62);
    --bg-glass-strong: rgba(255, 255, 255, 0.88);
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a65;
    --text-muted: #8a8aa0;
    --accent: #d63050;
    --accent-hover: #e94560;
    --accent-soft: rgba(214, 48, 80, 0.1);
    --accent-glow: rgba(214, 48, 80, 0.25);
    --blue: #e8eaf0;
    --blue-light: #f0f2f8;
    --gold: #b8a030;
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(214, 48, 80, 0.35);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
  }
}

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

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(233, 69, 96, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(15, 52, 96, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(240, 230, 140, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

@media (prefers-color-scheme: light) {
  body::before {
    background:
      radial-gradient(ellipse 80% 60% at 20% 0%, rgba(214, 48, 80, 0.05) 0%, transparent 60%),
      radial-gradient(ellipse 60% 50% at 80% 100%, rgba(15, 52, 96, 0.06) 0%, transparent 60%);
  }
}

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

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 4px;
}

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

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

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

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

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

h1, h2, h3, h4 {
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-primary);
}

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

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  position: relative;
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  margin-bottom: 0.75rem;
}

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

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}

address {
  font-style: normal;
}

/* ===== HEADER ===== */
header[role="banner"] {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

header[role="banner"]:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-inner > a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.15rem;
  white-space: nowrap;
  transition: transform var(--transition);
}

.header-inner > a:hover {
  transform: scale(1.03);
  color: var(--text-primary);
}

.header-inner > a svg {
  border-radius: 10px;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: box-shadow var(--transition), transform var(--transition);
  flex-shrink: 0;
}

.header-inner > a:hover svg {
  box-shadow: 0 6px 24px var(--accent-glow);
  transform: rotate(-3deg);
}

nav[role="navigation"] {
  flex: 1;
  min-width: 0;
}

nav[role="navigation"] ul {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

nav[role="navigation"] ul li {
  margin: 0;
}

nav[role="navigation"] ul a {
  display: inline-block;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

nav[role="navigation"] ul a:hover {
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-1px);
}

form[role="search"] {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  position: relative;
}

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

form[role="search"] input[type="search"] {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font);
  width: 180px;
  transition: width var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
}

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

form[role="search"] input[type="search"]:focus {
  width: 240px;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--bg-glass-strong);
}

form[role="search"] button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--accent), #c73550);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
  white-space: nowrap;
}

form[role="search"] button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
  filter: brightness(1.1);
}

form[role="search"] button:active {
  transform: translateY(0);
}

/* ===== MAIN ===== */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

/* ===== HERO ===== */
#hero {
  position: relative;
  margin: 1.5rem 0 2rem;
  padding: 3rem 2rem;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 30%, #0f3460 60%, #1a1a2e 100%);
  background-size: 300% 300%;
  animation: heroGradient 12s ease infinite;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

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

#hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 15%, rgba(233, 69, 96, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 10% 85%, rgba(240, 230, 140, 0.08) 0%, transparent 40%);
  pointer-events: none;
  z-index: 1;
}

#hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10, 10, 20, 0.4) 100%);
  pointer-events: none;
  z-index: 1;
}

#hero > * {
  position: relative;
  z-index: 2;
}

#hero h1 {
  color: #f0f0f5;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 20px rgba(233, 69, 96, 0.3);
  animation: fadeInUp 0.8s ease both;
}

#hero > p {
  color: rgba(224, 224, 235, 0.85);
  max-width: 780px;
  font-size: 1.05rem;
  animation: fadeInUp 0.8s ease 0.15s both;
}

#hero > p:nth-of-type(2) {
  animation-delay: 0.25s;
}

#hero > div {
  margin-top: 1.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: fadeInUp 0.8s ease 0.35s both;
}

#hero > div svg {
  width: 100%;
  border-radius: var(--radius-lg);
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

#hero > div:hover svg {
  transform: scale(1.02);
}

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

/* ===== BREADCRUMB ===== */
nav[aria-label="面包屑导航"] {
  margin-bottom: 2rem;
}

nav[aria-label="面包屑导航"] ol {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

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

nav[aria-label="面包屑导航"] ol li + li::before {
  content: "/";
  color: var(--text-muted);
  opacity: 0.5;
}

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

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

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

/* ===== SECTIONS ===== */
main section {
  margin-bottom: 3.5rem;
  animation: fadeInUp 0.7s ease both;
  animation-timeline: view();
  animation-range: entry 0% entry 30%;
}

@supports not (animation-timeline: view()) {
  main section {
    animation: none;
  }
}

main section > h2 {
  margin-top: 0;
}

/* ===== ARTICLES (CARDS) ===== */
main section article {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    background var(--transition);
  overflow: hidden;
}

main section article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold), var(--accent));
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity var(--transition);
}

main section article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
  background: var(--bg-glass-strong);
}

main section article:hover::before {
  opacity: 1;
  animation: shimmer 2s linear infinite;
}

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

main section article h3 {
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

main section article:hover h3 {
  color: var(--accent);
}

main section article time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  padding: 0.15rem 0.6rem;
  background: var(--accent-soft);
  border-radius: 50px;
  font-weight: 500;
}

main section article a[href^="#article"] {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 50px;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

main section article a[href^="#article"]::after {
  content: "→";
  transition: transform var(--transition-fast);
}

main section article a[href^="#article"]:hover {
  background: var(--accent);
  color: #fff;
  transform: translateX(4px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

main section article a[href^="#article"]:hover::after {
  transform: translateX(3px);
}

/* ===== BLOCKQUOTES (TESTIMONIALS) ===== */
#testimonials blockquote {
  position: relative;
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

#testimonials blockquote::before {
  content: "\201C";
  position: absolute;
  top: 0.5rem;
  right: 1.25rem;
  font-size: 4rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.12;
  font-family: Georgia, serif;
  pointer-events: none;
}

#testimonials blockquote:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

#testimonials blockquote p {
  font-style: italic;
  font-size: 1.02rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

#testimonials blockquote footer {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 600;
  font-style: normal;
}

/* ===== FAQ (DETAILS) ===== */
#faq details {
  background: var(--bg-card);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

#faq details[open] {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
  background: var(--bg-glass-strong);
}

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

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

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

#faq summary::after {
  content: "+";
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform var(--transition), color var(--transition-fast);
  line-height: 1;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
}

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

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

#faq details p {
  padding: 0 1.25rem 1.25rem;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  animation: fadeInUp 0.3s ease both;
}

/* ===== HOWTO ===== */
#howto ol {
  counter-reset: step;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

#howto ol li {
  counter-increment: step;
  position: relative;
  padding: 1rem 1.25rem 1rem 3.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  color: var(--text-secondary);
}

#howto ol li::before {
  content: counter(step);
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #c73550);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px var(--accent-glow);
}

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

/* ===== CONTACT ===== */
#contact address dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
}

#contact address dt {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.9rem;
  white-space: nowrap;
}

#contact address dd {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

#contact address dd a {
  color: var(--accent);
  font-weight: 500;
  transition: color var(--transition-fast), text-decoration var(--transition-fast);
}

#contact address dd a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ===== SITEMAP & LINKS ===== */
#sitemap nav ul,
#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

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

#sitemap nav ul a,
#links ul a {
  display: inline-block;
  padding: 0.45rem 1rem;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

#sitemap nav ul a:hover,
#links ul a:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* ===== FOOTER ===== */
footer[role="contentinfo"] {
  position: relative;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 3rem 1.25rem 2rem;
  margin-top: 2rem;
}

footer[role="contentinfo"]::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--gold), var(--accent), transparent);
  opacity: 0.6;
}

footer[role="contentinfo"] > section {
  max-width: var(--max-width);
  margin: 0 auto 1.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

footer[role="contentinfo"] > section:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}

footer[role="contentinfo"] h2 {
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
}

footer[role="contentinfo"] h2::after {
  width: 36px;
  height: 3px;
}

footer[role="contentinfo"] p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

footer[role="contentinfo"] > p {
  max-width: var(--max-width);
  margin: 0 auto 0.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

footer[role="contentinfo"] > p:last-child {
  margin-bottom: 0;
  padding-bottom: 0.5rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .header-inner {
    gap: 0.75rem;
  }

  nav[role="navigation"] ul a {
    padding: 0.35rem 0.55rem;
    font-size: 0.8rem;
  }

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

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

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

  .header-inner {
    padding: 0.6rem 1rem;
    justify-content: space-between;
  }

  .header-inner > a span {
    font-size: 1rem;
  }

  nav[role="navigation"] {
    order: 3;
    flex-basis: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.25rem;
  }

  nav[role="navigation"]::-webkit-scrollbar {
    display: none;
  }

  nav[role="navigation"] ul {
    flex-wrap: nowrap;
    gap: 0.15rem;
  }

  nav[role="navigation"] ul a {
    font-size: 0.78rem;
    padding: 0.35rem 0.6rem;
  }

  form[role="search"] {
    order: 2;
  }

  form[role="search"] input[type="search"] {
    width: 120px;
    font-size: 0.8rem;
  }

  form[role="search"] input[type="search"]:focus {
    width: 160px;
  }

  form[role="search"] button {
    padding: 0.45rem 0.8rem;
    font-size: 0.8rem;
  }

  main {
    padding: 0 1rem 2rem;
  }

  #hero {
    padding: 2rem 1.25rem;
    border-radius: var(--radius-lg);
    margin: 1rem 0 1.5rem;
  }

  #hero h1 {
    font-size: 1.5rem;
  }

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

  main section {
    margin-bottom: 2.5rem;
  }

  main section article {
    padding: 1.15rem 1.25rem;
    border-radius: var(--radius);
  }

  #contact address dl {
    grid-template-columns: 1fr;
    gap: 0.25rem 0;
    padding: 1.25rem;
  }

  #contact address dt {
    margin-top: 0.5rem;
  }

  #contact address dt:first-child {
    margin-top: 0;
  }

  #testimonials blockquote {
    padding: 1.15rem 1.25rem;
  }

  #testimonials blockquote::before {
    font-size: 3rem;
    right: 0.75rem;
  }

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

  #faq details p {
    padding: 0 1rem 1rem;
    font-size: 0.88rem;
  }

  #howto ol li {
    padding: 0.85rem 1rem 0.85rem 3rem;
  }

  footer[role="contentinfo"] {
    padding: 2rem 1rem 1.5rem;
  }

  footer[role="contentinfo"] > section {
    padding: 1rem 1.15rem;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .header-inner > a span {
    display: none;
  }

  .header-inner > a svg {
    width: 34px;
    height: 34px;
  }

  form[role="search"] input[type="search"] {
    width: 100px;
    padding: 0.4rem 0.7rem;
  }

  form[role="search"] input[type="search"]:focus {
    width: 130px;
  }

  form[role="search"] button {
    padding: 0.4rem 0.65rem;
    font-size: 0.75rem;
  }

  #hero {
    padding: 1.5rem 1rem;
  }

  #hero h1 {
    font-size: 1.3rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  h3 {
    font-size: 1.05rem;
  }

  #sitemap nav ul a,
  #links ul a {
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
  }
}

/* ===== ACCESSIBILITY ===== */
@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;
  }

  #hero {
    animation: none;
  }

  main section {
    animation: none;
  }
}

/* ===== PRINT ===== */
@media print {
  header[role="banner"],
  footer[role="contentinfo"],
  nav[role="navigation"],
  form[role="search"],
  #sitemap,
  #links {
    display: none;
  }

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

  main section article,
  #faq details,
  #testimonials blockquote {
    box-shadow: none;
    border: 1px solid #ccc;
    background: #fff;
    backdrop-filter: none;
  }
}