:root {
  --brand: #ff7a18;
  --brand-2: #ff4d6d;
  --brand-3: #ffb347;
  --brand-soft: #fff4ec;
  --brand-soft-2: #ffe9db;
  --text: #1d1b1a;
  --text-2: #4a4643;
  --text-3: #767069;
  --bg: #fdfaf7;
  --bg-2: #ffffff;
  --card: rgba(255, 255, 255, 0.72);
  --card-solid: #ffffff;
  --border: rgba(255, 122, 24, 0.16);
  --border-strong: rgba(255, 122, 24, 0.32);
  --shadow-sm: 0 4px 14px rgba(120, 60, 20, 0.06);
  --shadow: 0 12px 34px rgba(120, 60, 20, 0.1);
  --shadow-lg: 0 24px 60px rgba(120, 60, 20, 0.16);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 26px;
  --radius-pill: 999px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --maxw: 1180px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #ff8a33;
    --brand-2: #ff5f7c;
    --brand-3: #ffc06b;
    --brand-soft: #241a13;
    --brand-soft-2: #2e2017;
    --text: #f4efea;
    --text-2: #cfc6be;
    --text-3: #a49b93;
    --bg: #14100d;
    --bg-2: #1b1613;
    --card: rgba(38, 30, 25, 0.66);
    --card-solid: #221b16;
    --border: rgba(255, 138, 51, 0.18);
    --border-strong: rgba(255, 138, 51, 0.4);
    --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
    --shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.6);
  }
}

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

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 520px at 8% -8%, rgba(255, 122, 24, 0.14), transparent 62%),
    radial-gradient(900px 480px at 100% 0%, rgba(255, 77, 109, 0.1), transparent 60%),
    radial-gradient(800px 600px at 50% 110%, rgba(255, 179, 71, 0.1), transparent 65%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--brand-3);
  outline-offset: 3px;
  border-radius: 6px;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--text);
}

h1 { font-size: clamp(1.7rem, 1.2rem + 2.2vw, 2.7rem); }
h2 { font-size: clamp(1.4rem, 1.1rem + 1.4vw, 2rem); }
h3 { font-size: clamp(1.15rem, 1rem + 0.7vw, 1.4rem); }
h4 { font-size: clamp(1.02rem, 0.96rem + 0.35vw, 1.15rem); }

p {
  margin: 0 0 1em;
  color: var(--text-2);
}

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.35em;
  color: var(--text-2);
}

li {
  margin-bottom: 0.45em;
}

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

strong, b {
  color: var(--text);
  font-weight: 700;
}

blockquote {
  margin: 1.2em 0;
  padding: 1em 1.25em;
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--card);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  color: var(--text-2);
}

blockquote p {
  margin: 0;
  font-style: italic;
}

address {
  font-style: normal;
}

::selection {
  background: rgba(255, 122, 24, 0.28);
  color: var(--text);
}

body > a[href="#main-content"] {
  position: absolute;
  left: 50%;
  top: -100px;
  transform: translateX(-50%);
  z-index: 999;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  box-shadow: var(--shadow);
  transition: top 0.3s var(--ease);
}

body > a[href="#main-content"]:focus {
  top: 14px;
  color: #fff;
}

header[role="banner"] {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--card);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 24px rgba(120, 60, 20, 0.06);
}

.top-bar {
  background: linear-gradient(90deg, var(--brand), var(--brand-2) 60%, var(--brand-3));
  color: #fff;
  text-align: center;
  padding: 7px 16px;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.top-bar p {
  margin: 0;
  color: #fff;
  font-weight: 500;
}

.brand-row {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand svg {
  flex: none;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(255, 122, 24, 0.35);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.brand:hover svg {
  transform: rotate(-6deg) scale(1.06);
  box-shadow: 0 12px 28px rgba(255, 122, 24, 0.5);
}

.brand-name {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.brand-slogan {
  margin: 0;
  font-size: 0.76rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

nav[aria-label="主导航"] {
  flex: 1 1 auto;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-end;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: inline-block;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-2);
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
    transform 0.25s var(--ease);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(255, 122, 24, 0.32);
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px 60px;
}

nav[aria-label="面包屑导航"] {
  padding: 18px 0 4px;
}

.breadcrumb {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-3);
}

.breadcrumb li {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb li + li::before {
  content: "›";
  color: var(--brand);
  font-weight: 700;
  margin-right: 2px;
}

.breadcrumb a {
  color: var(--text-3);
  font-weight: 500;
}

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

.breadcrumb [aria-current="page"] {
  color: var(--brand);
  font-weight: 700;
}

section {
  margin: 0 0 26px;
  padding: clamp(20px, 3vw, 34px);
  background: var(--card);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  animation: fadeUp 0.7s var(--ease) both;
  transition: box-shadow 0.35s var(--ease), border-color 0.35s var(--ease),
    transform 0.35s var(--ease);
}

section:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(140deg, rgba(255, 122, 24, 0.95) 0%, rgba(255, 77, 109, 0.9) 52%, rgba(255, 179, 71, 0.92) 100%);
  border: none;
  color: #fff;
  padding: clamp(26px, 4vw, 48px);
  box-shadow: 0 26px 64px rgba(255, 100, 40, 0.3);
}

#hero::before,
#hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(2px);
}

#hero::before {
  width: 340px;
  height: 340px;
  top: -140px;
  right: -80px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.38), transparent 68%);
}

#hero::after {
  width: 260px;
  height: 260px;
  bottom: -120px;
  left: -70px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.26), transparent 70%);
}

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

#hero-title {
  color: #fff;
  text-shadow: 0 2px 14px rgba(120, 40, 0, 0.28);
  max-width: 22em;
}

.hero-lead {
  color: rgba(255, 255, 255, 0.96);
  font-size: clamp(0.95rem, 0.9rem + 0.3vw, 1.06rem);
  line-height: 1.85;
  max-width: 62em;
  text-shadow: 0 1px 8px rgba(120, 40, 0, 0.18);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 22px 0 8px;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-pill);
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    background 0.3s var(--ease), color 0.3s var(--ease);
  will-change: transform;
}

.btn-primary {
  background: #fff;
  color: var(--brand-2);
  box-shadow: 0 12px 28px rgba(120, 30, 0, 0.26);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  color: var(--brand-2);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 18px 38px rgba(120, 30, 0, 0.34);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.3);
  color: #fff;
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 14px 30px rgba(120, 30, 0, 0.24);
}

figure {
  margin: 26px 0 0;
  padding: 14px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 44px rgba(120, 40, 0, 0.22);
  overflow: hidden;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}

figure:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 60px rgba(120, 40, 0, 0.3);
}

figure svg {
  width: 100%;
  border-radius: var(--radius-sm);
}

figcaption {
  margin-top: 10px;
  text-align: center;
  font-size: 0.84rem;
  color: #7a6a5c;
  letter-spacing: 0.02em;
}

h2 {
  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: linear-gradient(180deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 14px rgba(255, 122, 24, 0.5);
}

h3 {
  position: relative;
  padding-bottom: 8px;
  margin-top: 1.6em;
}

h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--brand), transparent);
}

h4 {
  margin-top: 1.3em;
  color: var(--brand);
}

#brand-intro,
#product,
#features,
#solutions,
#cases,
#news,
#articles,
#howto,
#knowledge,
#faq,
#contact {
  animation-delay: 0.05s;
}

#brand-intro p,
#product p,
#features p,
#solutions p,
#cases p,
#news p,
#articles p,
#howto p,
#knowledge p,
#faq p {
  max-width: 78em;
}

#product h4 {
  display: flex;
  align-items: center;
  gap: 10px;
}

#product h4::before {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-3));
  box-shadow: 0 0 0 4px rgba(255, 122, 24, 0.16);
}

#features {
  background:
    linear-gradient(180deg, var(--card), var(--brand-soft));
}

#features h3 {
  padding: 14px 16px 14px 20px;
  margin-top: 1.1em;
  border-radius: var(--radius);
  background: var(--card-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

#features h3::after {
  display: none;
}

#features h3:hover {
  transform: translateX(6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

#solutions h3 {
  margin-top: 1.4em;
}

#cases blockquote {
  position: relative;
  padding-left: 3em;
}

#cases blockquote::before {
  content: "“";
  position: absolute;
  left: 12px;
  top: -6px;
  font-size: 2.6rem;
  line-height: 1;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--brand);
  opacity: 0.6;
}

#news article,
#articles article {
  position: relative;
  padding: 20px 22px;
  margin: 0 0 16px;
  border-radius: var(--radius);
  background: var(--card-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

#news article::before,
#articles article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 4px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--brand), var(--brand-3));
  opacity: 0.85;
}

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

#news article:last-child,
#articles article:last-child {
  margin-bottom: 0;
}

#news article h3,
#articles article h3 {
  margin-top: 0;
  padding-bottom: 0;
}

#news article h3::after,
#articles article h3::after {
  display: none;
}

#news article time,
#articles article time {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--brand-2);
  background: var(--brand-soft);
  border: 1px solid var(--border);
}

#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--brand);
}

#articles article a::after {
  content: "→";
  transition: transform 0.3s var(--ease);
}

#articles article a:hover::after {
  transform: translateX(5px);
}

#howto ol {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
  margin: 1.2em 0;
}

#howto ol li {
  counter-increment: step;
  position: relative;
  padding: 14px 18px 14px 62px;
  margin-bottom: 12px;
  border-radius: var(--radius);
  background: var(--card-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  color: var(--text-2);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

#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;
  border-radius: 50%;
  font-weight: 800;
  font-size: 0.92rem;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 6px 16px rgba(255, 122, 24, 0.36);
}

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

#knowledge {
  background:
    linear-gradient(180deg, var(--card), var(--brand-soft));
}

#faq dl {
  margin: 0;
}

#faq dt {
  position: relative;
  margin-top: 14px;
  padding: 14px 18px 14px 46px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  box-shadow: 0 8px 20px rgba(255, 100, 40, 0.22);
  transition: filter 0.3s var(--ease), transform 0.3s var(--ease);
}

#faq dt::before {
  content: "Q";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.24);
  font-size: 0.78rem;
  font-weight: 900;
}

#faq dt:hover {
  filter: brightness(1.06);
  transform: translateY(-2px);
}

#faq dd {
  margin: 0 0 6px;
  padding: 14px 18px 16px 46px;
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-top: none;
  color: var(--text-2);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

#faq dd:hover {
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}

#faq dd:last-child {
  margin-bottom: 0;
}

#contact address {
  padding: 20px 22px;
  margin: 0 0 20px;
  border-radius: var(--radius);
  background: var(--card-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

#contact address p {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

#contact address p:last-child {
  margin-bottom: 0;
}

#contact address a {
  font-weight: 700;
  border-bottom: 1px dashed var(--border-strong);
}

#contact address a:hover {
  border-bottom-color: var(--brand-2);
}

#contact ul {
  list-style: none;
  padding: 0;
  margin: 0 0 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

#contact ul li {
  margin: 0;
}

#contact ul a {
  display: inline-block;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-2);
  background: var(--card-solid);
  border: 1px solid var(--border);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
    color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

#contact ul a:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 18px rgba(255, 122, 24, 0.3);
}

footer[role="contentinfo"] {
  position: relative;
  margin-top: 20px;
  padding: clamp(34px, 5vw, 56px) 20px 30px;
  background:
    linear-gradient(160deg, rgba(255, 122, 24, 0.08), rgba(255, 77, 109, 0.06)),
    var(--bg-2);
  border-top: 1px solid var(--border);
}

footer[role="contentinfo"]::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2), var(--brand-3));
}

footer[role="contentinfo"] section {
  max-width: var(--maxw);
  margin: 0 auto 18px;
  padding: 22px 24px;
  background: var(--card);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

footer[role="contentinfo"] section:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

footer[role="contentinfo"] h2 {
  font-size: 1.05rem;
  padding-left: 15px;
  margin-bottom: 0.5em;
}

footer[role="contentinfo"] h2::before {
  width: 5px;
}

footer[role="contentinfo"] p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-3);
  margin: 0 0 0.7em;
}

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

footer[role="contentinfo"] > p {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 20px 0;
  text-align: center;
  font-size: 0.84rem;
  color: var(--text-3);
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .brand-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  nav[aria-label="主导航"] {
    width: 100%;
  }

  .nav-list {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .nav-list::-webkit-scrollbar {
    height: 4px;
  }

  .nav-list::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--radius-pill);
  }

  .nav-list a {
    white-space: nowrap;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
    line-height: 1.72;
  }

  main {
    padding: 0 12px 40px;
  }

  section {
    padding: 18px 16px;
    border-radius: var(--radius);
    margin-bottom: 18px;
  }

  #hero {
    padding: 22px 16px;
  }

  .hero-actions {
    gap: 10px;
  }

  .btn-primary,
  .btn-secondary {
    flex: 1 1 100%;
    padding: 12px 20px;
  }

  figure {
    padding: 10px;
    margin-top: 18px;
  }

  h2 {
    padding-left: 15px;
  }

  h2::before {
    width: 5px;
  }

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

  #howto ol li {
    padding: 12px 14px 12px 56px;
  }

  #howto ol li::before {
    left: 12px;
    width: 28px;
    height: 28px;
    font-size: 0.84rem;
  }

  #faq dt {
    padding: 12px 14px 12px 40px;
    font-size: 0.94rem;
  }

  #faq dd {
    padding: 12px 14px 14px 14px;
  }

  #contact address {
    padding: 16px;
  }

  footer[role="contentinfo"] {
    padding: 28px 12px 24px;
  }

  footer[role="contentinfo"] section {
    padding: 18px 16px;
  }

  .top-bar {
    font-size: 0.74rem;
    padding: 6px 10px;
  }

  .brand-name {
    font-size: 1.05rem;
  }
}

@media (max-width: 380px) {
  .nav-list a {
    padding: 6px 10px;
    font-size: 0.82rem;
  }

  .hero-lead {
    font-size: 0.9rem;
  }
}

@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;
  }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  header[role="banner"],
  section,
  footer[role="contentinfo"] section,
  blockquote {
    background: var(--card-solid);
  }
}

@media print {
  header[role="banner"],
  footer[role="contentinfo"],
  .hero-actions,
  nav[aria-label="主导航"] {
    display: none;
  }

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

  section {
    box-shadow: none;
    border: 1px solid #ddd;
    background: #fff;
    animation: none;
  }
}