:root {
  --color-primary: #ff8fb1;
  --color-primary-dark: #f06a95;
  --color-primary-light: #ffd3e2;
  --color-secondary: #a0c4ff;
  --color-accent: #ffd166;
  --color-bg: #fff7fa;
  --color-bg-alt: #fff1f6;
  --color-surface: #ffffff;
  --color-surface-glass: rgba(255, 255, 255, 0.72);
  --color-text: #3d2b33;
  --color-text-soft: #6e5a63;
  --color-text-muted: #9a8790;
  --color-border: rgba(255, 143, 177, 0.22);
  --color-shadow: rgba(240, 106, 149, 0.18);
  --gradient-hero: linear-gradient(135deg, #ffe3ee 0%, #ffd3e2 35%, #e8d9ff 70%, #d9e9ff 100%);
  --gradient-btn: linear-gradient(135deg, #ff8fb1 0%, #f06a95 100%);
  --gradient-accent: linear-gradient(135deg, #ffd166 0%, #ff8fb1 100%);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --space-xs: 6px;
  --space-sm: 12px;
  --space-md: 20px;
  --space-lg: 32px;
  --space-xl: 56px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --shadow-sm: 0 2px 8px rgba(240, 106, 149, 0.08);
  --shadow-md: 0 8px 24px rgba(240, 106, 149, 0.14);
  --shadow-lg: 0 16px 48px rgba(240, 106, 149, 0.2);
  --transition: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-height: 68px;
}

[data-theme="dark"] {
  --color-bg: #1a1418;
  --color-bg-alt: #221a1f;
  --color-surface: #2a2027;
  --color-surface-glass: rgba(42, 32, 39, 0.72);
  --color-text: #f6e9ef;
  --color-text-soft: #d3c0c9;
  --color-text-muted: #a08e97;
  --color-border: rgba(255, 143, 177, 0.24);
  --color-shadow: rgba(0, 0, 0, 0.4);
  --gradient-hero: linear-gradient(135deg, #3a2530 0%, #2f2233 40%, #23263a 75%, #1f2a3a 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.36);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: radial-gradient(circle at 12% 8%, rgba(255, 209, 102, 0.16), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(160, 196, 255, 0.18), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(255, 143, 177, 0.14), transparent 50%);
  background-attachment: fixed;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

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

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

a:hover,
a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

h1,
h2,
h3,
h4 {
  line-height: 1.35;
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(1.6rem, 4.4vw, 2.6rem);
  margin: 0 0 var(--space-md);
  background: linear-gradient(120deg, var(--color-primary-dark), #b06ab3 55%, var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  margin: var(--space-xl) 0 var(--space-lg);
  position: relative;
  padding-left: 18px;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 6px;
  border-radius: var(--radius-pill);
  background: var(--gradient-btn);
}

h3 {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  margin: 0 0 var(--space-sm);
}

h4 {
  font-size: 1rem;
  margin: var(--space-md) 0 var(--space-xs);
  color: var(--color-primary-dark);
}

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 + li {
  margin-top: var(--space-xs);
}

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

blockquote {
  margin: var(--space-md) 0;
  padding: var(--space-md) var(--space-lg);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

blockquote p {
  margin-bottom: var(--space-sm);
  font-style: italic;
}

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

/* ============ Header ============ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px clamp(16px, 4vw, 48px);
  min-height: var(--header-height);
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), box-shadow var(--transition);
}

#site-header .logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: var(--gradient-btn);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 14px var(--color-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

#site-header .logo:hover {
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 22px var(--color-shadow);
}

#site-header nav {
  flex: 1 1 auto;
}

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

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

#site-header nav a {
  display: block;
  padding: 6px 12px;
  font-size: 0.92rem;
  border-radius: var(--radius-pill);
  color: var(--color-text-soft);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

#site-header nav a:hover,
#site-header nav a:focus-visible {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  text-decoration: none;
  transform: translateY(-1px);
}

#site-header form[role="search"] {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 1 auto;
}

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

#site-header input[type="search"] {
  width: clamp(120px, 18vw, 200px);
  padding: 8px 14px;
  font: inherit;
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  transition: border-color var(--transition), box-shadow var(--transition);
}

#site-header input[type="search"]::placeholder {
  color: var(--color-text-muted);
}

#site-header input[type="search"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 143, 177, 0.25);
}

#site-header button,
#site-header form[role="search"] button {
  padding: 8px 16px;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-btn);
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  box-shadow: 0 4px 12px var(--color-shadow);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

#site-header button:hover,
#site-header form[role="search"] button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--color-shadow);
  filter: brightness(1.05);
}

#site-header button:active {
  transform: translateY(0);
}

#theme-toggle {
  background: var(--color-surface) !important;
  color: var(--color-primary-dark) !important;
  border: 1px solid var(--color-border) !important;
  box-shadow: var(--shadow-sm) !important;
}

#theme-toggle:hover {
  background: var(--color-primary-light) !important;
}

/* ============ Main layout ============ */
main {
  width: min(1180px, 100% - clamp(24px, 6vw, 72px));
  margin: 0 auto;
  padding-bottom: var(--space-xl);
}

/* Breadcrumb */
main > nav[aria-label="面包屑导航"] ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: var(--space-md) 0 var(--space-sm);
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

main > nav[aria-label="面包屑导航"] li + li::before {
  content: "›";
  margin-right: 8px;
  color: var(--color-primary);
}

main > nav[aria-label="面包屑导航"] li {
  margin-top: 0;
}

/* ============ Hero ============ */
#hero {
  position: relative;
  margin: var(--space-md) 0 var(--space-xl);
  padding: clamp(24px, 5vw, 56px);
  border-radius: var(--radius-lg);
  background: var(--gradient-hero);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  isolation: isolate;
}

#hero::before,
#hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.55;
  z-index: -1;
  pointer-events: none;
}

#hero::before {
  width: 320px;
  height: 320px;
  top: -120px;
  right: -80px;
  background: radial-gradient(circle, rgba(255, 209, 102, 0.8), transparent 70%);
  animation: float-slow 12s ease-in-out infinite;
}

#hero::after {
  width: 280px;
  height: 280px;
  bottom: -120px;
  left: -60px;
  background: radial-gradient(circle, rgba(160, 196, 255, 0.85), transparent 70%);
  animation: float-slow 15s ease-in-out infinite reverse;
}

#hero p {
  max-width: 72ch;
  color: var(--color-text-soft);
}

#hero figure {
  margin: var(--space-lg) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

#hero figure svg {
  width: min(420px, 100%);
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

#hero figure svg:hover {
  transform: translateY(-6px) rotate(-1deg);
  box-shadow: var(--shadow-lg);
}

#hero figcaption {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

#banner-carousel {
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

#banner-carousel ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
  list-style: none;
}

#banner-carousel li {
  flex: 1 1 220px;
  margin-top: 0;
  padding: 10px 16px;
  font-size: 0.92rem;
  color: var(--color-text);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0.25));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

[data-theme="dark"] #banner-carousel li {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
}

#banner-carousel li:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

#hero .stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0 0;
  padding: 0;
  list-style: none;
}

#hero .stats li {
  margin-top: 0;
  padding: var(--space-md);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-soft);
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

#hero .stats li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

#hero .stats strong {
  display: block;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 4px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ============ Sections & Cards ============ */
main > section {
  margin-bottom: var(--space-xl);
  animation: fade-up 0.7s ease both;
}

main > section > article {
  margin-bottom: var(--space-md);
  padding: clamp(18px, 3vw, 28px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

main > section > article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 143, 177, 0.45);
}

main > section > article:last-child {
  margin-bottom: 0;
}

/* Aside (author/editor info) */
main > section > aside {
  margin: var(--space-md) 0;
  padding: clamp(18px, 3vw, 26px);
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  border: 1px dashed var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

main > section > aside h4:first-child {
  margin-top: 0;
}

main > section > aside p {
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

/* ============ News & article links ============ */
#news > article {
  position: relative;
}

#news > article h3 a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

#news > article h3 a:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}

#news > article > p:nth-of-type(1) {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

#news > article > p:last-child a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

#news > article > p:last-child a:hover {
  background: var(--gradient-btn);
  color: #fff;
  transform: translateX(3px);
  text-decoration: none;
}

#news > article > p:last-child a::after {
  content: "→";
  transition: transform var(--transition);
}

#news > article > p:last-child a:hover::after {
  transform: translateX(3px);
}

/* ============ HowTo ordered list ============ */
#howto ol {
  counter-reset: howto-step;
  list-style: none;
  padding-left: 0;
}

#howto ol li {
  position: relative;
  padding: 12px 16px 12px 52px;
  margin-bottom: var(--space-sm);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  counter-increment: howto-step;
  transition: transform var(--transition), box-shadow var(--transition);
}

#howto ol li::before {
  content: counter(howto-step);
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-btn);
  border-radius: 50%;
  box-shadow: 0 2px 8px var(--color-shadow);
}

#howto ol li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

/* ============ FAQ ============ */
#faq > article {
  position: relative;
  padding-left: clamp(18px, 3vw, 28px);
}

#faq > article h3 {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-primary-dark);
}

#faq > article h3::before {
  content: "Q";
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  font-size: 0.9rem;
  font-weight: 800;
  color: #fff;
  background: var(--gradient-btn);
  border-radius: 8px;
  box-shadow: 0 2px 8px var(--color-shadow);
}

#faq > article p {
  padding-left: 36px;
}

/* ============ Notice list ============ */
#notice ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

#notice li {
  position: relative;
  margin-top: 0;
  padding: 12px 16px 12px 42px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

#notice li::before {
  content: "✿";
  position: absolute;
  left: 14px;
  top: 11px;
  color: var(--color-primary);
  font-size: 1.05rem;
}

#notice li:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ============ Contact ============ */
#contact address {
  font-style: normal;
  display: grid;
  gap: var(--space-xs);
  padding: clamp(18px, 3vw, 28px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

#contact address p {
  margin: 0;
  padding-left: 22px;
  position: relative;
}

#contact address p::before {
  content: "•";
  position: absolute;
  left: 4px;
  color: var(--color-primary);
  font-weight: 800;
}

#contact > p {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary-dark);
}

[data-theme="dark"] #contact > p {
  background: rgba(255, 143, 177, 0.12);
}

/* ============ Sitemap & links ============ */
#sitemap ul,
#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
}

#sitemap li,
#links li {
  margin-top: 0;
}

#sitemap a,
#links a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 0.9rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  color: var(--color-text-soft);
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

#sitemap a:hover,
#links a:hover {
  transform: translateY(-3px);
  background: var(--gradient-btn);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

/* ============ Updates ============ */
#updates p {
  padding: var(--space-md) var(--space-lg);
  font-size: 0.9rem;
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* ============ Footer ============ */
footer {
  margin-top: var(--space-xl);
  padding: var(--space-lg) clamp(16px, 4vw, 48px) calc(var(--space-lg) + 12px);
  text-align: center;
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-top: 1px solid var(--color-border);
}

footer p {
  margin: 0 0 var(--space-xs);
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

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

footer a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ============ Back to top ============ */
#back-to-top {
  position: fixed;
  right: clamp(14px, 3vw, 32px);
  bottom: clamp(14px, 3vw, 32px);
  z-index: 90;
  padding: 12px 18px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-btn);
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0.92;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

#back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  opacity: 1;
}

#back-to-top:active {
  transform: translateY(0);
}

/* ============ Animations ============ */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-slow {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(-14px, 18px, 0);
  }
}

@keyframes pulse-soft {
  0%,
  100% {
    box-shadow: 0 4px 14px var(--color-shadow);
  }
  50% {
    box-shadow: 0 8px 26px var(--color-shadow);
  }
}

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

/* ============ Responsive ============ */
@media (max-width: 960px) {
  #site-header {
    gap: 8px;
  }

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

  #site-header nav a {
    padding: 5px 9px;
    font-size: 0.86rem;
  }

  #site-header input[type="search"] {
    width: 140px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 60px;
  }

  body {
    font-size: 15px;
    line-height: 1.75;
  }

  #site-header {
    flex-wrap: wrap;
    padding: 10px 14px;
  }

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

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

  #site-header nav ul {
    flex-wrap: nowrap;
    width: max-content;
  }

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

  #site-header form[role="search"] {
    order: 2;
    margin-left: auto;
  }

  #site-header input[type="search"] {
    width: 120px;
  }

  #site-header form[role="search"] button {
    padding: 8px 12px;
  }

  #theme-toggle {
    order: 2;
    padding: 8px 12px !important;
    font-size: 0.82rem !important;
  }

  main {
    width: calc(100% - 28px);
  }

  #hero {
    padding: 22px 18px;
    border-radius: var(--radius-md);
  }

  #hero figure svg {
    width: 100%;
  }

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

  #banner-carousel ul {
    flex-direction: column;
  }

  #banner-carousel li {
    flex: 1 1 auto;
    font-size: 0.86rem;
  }

  #hero .stats {
    grid-template-columns: 1fr;
  }

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

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

  #faq > article p {
    padding-left: 0;
  }

  #contact address {
    padding: 18px;
  }

  #back-to-top {
    padding: 10px 14px;
    font-size: 0.8rem;
  }
}

@media (max-width: 420px) {
  #site-header input[type="search"] {
    width: 96px;
  }

  #site-header .logo {
    font-size: 1.15rem;
    padding: 4px 10px;
  }

  #hero .stats li {
    padding: var(--space-sm);
  }
}

@media (hover: none) {
  main > section > article:hover,
  #hero .stats li:hover,
  #hero figure svg:hover,
  #notice li:hover,
  #howto ol li:hover {
    transform: none;
  }
}

@media print {
  #site-header,
  #back-to-top,
  footer {
    display: none;
  }

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

  main > section > article,
  #hero {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}