:root {
  --color-primary: #ff6b35;
  --color-primary-light: #ff8f5e;
  --color-primary-dark: #e05520;
  --color-secondary: #7c3aed;
  --color-secondary-light: #a78bfa;
  --color-accent: #06b6d4;
  --color-accent-light: #22d3ee;
  --color-bg: #faf8f6;
  --color-bg-alt: #f3efec;
  --color-card: rgba(255, 255, 255, 0.72);
  --color-card-solid: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #4a4a6a;
  --color-text-muted: #7a7a9a;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-shadow: rgba(255, 107, 53, 0.12);
  --color-shadow-strong: rgba(0, 0, 0, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.65);
  --glass-blur: 16px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  --max-width: 1200px;
  --header-height: 72px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f0f1a;
    --color-bg-alt: #16162a;
    --color-card: rgba(30, 30, 50, 0.72);
    --color-card-solid: #1e1e32;
    --color-text: #e8e8f0;
    --color-text-secondary: #b0b0cc;
    --color-text-muted: #8080a0;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-shadow: rgba(255, 107, 53, 0.18);
    --color-shadow-strong: rgba(0, 0, 0, 0.4);
    --glass-bg: rgba(30, 30, 50, 0.55);
    --glass-border: rgba(255, 255, 255, 0.12);
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
  background-image:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(255, 107, 53, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(124, 58, 237, 0.07), transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(6, 182, 212, 0.06), transparent 60%);
  background-attachment: fixed;
}

@media (prefers-color-scheme: dark) {
  body {
    background-image:
      radial-gradient(ellipse 80% 60% at 10% 0%, rgba(255, 107, 53, 0.12), transparent 60%),
      radial-gradient(ellipse 60% 50% at 90% 10%, rgba(124, 58, 237, 0.14), transparent 60%),
      radial-gradient(ellipse 50% 40% at 50% 100%, rgba(6, 182, 212, 0.1), transparent 60%);
  }
}

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

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
  border-radius: 10px;
  border: 2px solid var(--color-bg-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-primary-dark), var(--color-secondary));
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

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

ul, ol {
  list-style: none;
}

/* ===== HEADER ===== */
header {
  position: relative;
  padding: 100px 24px 80px;
  text-align: center;
  overflow: hidden;
  background:
    linear-gradient(135deg,
      #ff6b35 0%,
      #ff8f5e 20%,
      #a855f7 50%,
      #7c3aed 75%,
      #06b6d4 100%);
  background-size: 300% 300%;
  animation: gradientShift 12s ease infinite;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  margin-bottom: 48px;
  box-shadow: 0 20px 60px var(--color-shadow);
}

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

header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.25), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.15), transparent 50%);
  pointer-events: none;
}

header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, var(--color-bg), transparent);
  pointer-events: none;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

header h1 {
  position: relative;
  z-index: 2;
  font-size: clamp(1.6rem, 4.5vw, 2.8rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 20px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 0.8s ease both;
}

header > p {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto 36px;
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.85;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  animation: fadeInUp 0.8s ease 0.15s both;
}

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

/* ===== NAV ===== */
nav[aria-label="主导航"] {
  position: relative;
  z-index: 3;
  animation: fadeInUp 0.8s ease 0.3s both;
}

nav[aria-label="主导航"] ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: 900px;
  margin: 0 auto;
  padding: 10px;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 60px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

nav[aria-label="主导航"] li {
  flex: 0 0 auto;
}

nav[aria-label="主导航"] a {
  display: block;
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #ffffff;
  border-radius: 40px;
  white-space: nowrap;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

nav[aria-label="主导航"] a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 40px;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-bounce);
}

nav[aria-label="主导航"] a:hover {
  color: #ffffff;
  transform: translateY(-2px);
}

nav[aria-label="主导航"] a:hover::before {
  opacity: 1;
  transform: scale(1);
}

nav[aria-label="主导航"] a:active {
  transform: translateY(0) scale(0.97);
}

/* ===== MAIN LAYOUT ===== */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 60px;
}

section {
  margin-bottom: 56px;
  scroll-margin-top: 24px;
  animation: scrollReveal 0.7s ease both;
  animation-timeline: view();
  animation-range: entry 0% entry 30%;
}

@keyframes scrollReveal {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@supports not (animation-timeline: view()) {
  section {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

section > h2 {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 28px;
  padding-bottom: 16px;
  position: relative;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

section > h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 64px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  border-radius: 4px;
  transition: width var(--transition-smooth);
}

section:hover > h2::after {
  width: 120px;
}

section > h3 {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 28px 0 14px;
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}

section > h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 22px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
  border-radius: 3px;
}

section > p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 14px;
  max-width: 900px;
}

section > ul {
  margin: 16px 0 20px;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

section > ul li {
  position: relative;
  padding: 12px 18px 12px 44px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  transition: all var(--transition-smooth);
  box-shadow: 0 2px 12px var(--color-shadow-strong);
}

section > ul li::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
  transition: all var(--transition-smooth);
}

section > ul li:hover {
  transform: translateX(6px);
  border-color: var(--color-primary-light);
  box-shadow: 0 8px 28px var(--color-shadow);
}

section > ul li:hover::before {
  box-shadow: 0 0 0 6px rgba(255, 107, 53, 0.2);
  transform: translateY(-50%) scale(1.15);
}

/* ===== CARDS (articles, news, cases) ===== */
article {
  background: var(--color-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
  box-shadow: 0 4px 20px var(--color-shadow-strong);
}

article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

article:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px var(--color-shadow);
  border-color: rgba(255, 107, 53, 0.25);
}

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

article h3 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.5;
  transition: color var(--transition-fast);
}

article:hover h3 {
  color: var(--color-primary);
}

article > p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.85;
  margin-bottom: 8px;
}

article > p:first-of-type {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.01em;
}

article > p > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-primary);
  margin-top: 6px;
  padding: 6px 16px;
  border-radius: 40px;
  background: rgba(255, 107, 53, 0.08);
  transition: all var(--transition-smooth);
}

article > p > a::after {
  content: '→';
  transition: transform var(--transition-smooth);
}

article > p > a:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateX(2px);
}

article > p > a:hover::after {
  transform: translateX(4px);
}

/* ===== BLOCKQUOTE ===== */
blockquote {
  position: relative;
  margin: 16px 0;
  padding: 22px 26px 22px 56px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
  box-shadow: 0 2px 12px var(--color-shadow-strong);
}

blockquote::before {
  content: '"';
  position: absolute;
  left: 18px;
  top: 12px;
  font-size: 2.4rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.5;
  font-family: Georgia, serif;
}

blockquote:hover {
  transform: translateX(6px);
  border-left-color: var(--color-secondary);
  box-shadow: 0 8px 28px var(--color-shadow);
}

blockquote p {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.8;
  font-style: italic;
}

/* ===== FAQ ===== */
#faq h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 22px 0 8px;
  padding: 16px 20px 16px 48px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  position: relative;
  transition: all var(--transition-smooth);
  cursor: default;
  line-height: 1.5;
}

#faq h3::before {
  content: 'Q';
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  line-height: 1;
}

#faq h3:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 4px 18px var(--color-shadow);
}

#faq h3 + p {
  padding: 16px 20px 16px 48px;
  margin: 0 0 4px;
  background: var(--color-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.85;
  position: relative;
  transition: all var(--transition-smooth);
}

#faq h3 + p::before {
  content: 'A';
  position: absolute;
  left: 18px;
  top: 20px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--color-primary);
  background: rgba(255, 107, 53, 0.12);
  border-radius: 50%;
  line-height: 1;
}

#faq h3 + p:hover {
  background: var(--color-card-solid);
}

/* ===== HOWTO ===== */
#howto ol {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0 20px;
  padding: 0;
}

#howto ol li {
  counter-increment: step;
  position: relative;
  padding: 18px 22px 18px 68px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  transition: all var(--transition-smooth);
  box-shadow: 0 2px 12px var(--color-shadow-strong);
}

#howto ol li::before {
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
  transition: all var(--transition-bounce);
}

#howto ol li:hover {
  transform: translateX(8px);
  border-color: var(--color-primary-light);
  box-shadow: 0 8px 28px var(--color-shadow);
}

#howto ol li:hover::before {
  transform: translateY(-50%) scale(1.15) rotate(-8deg);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.45);
}

/* ===== CONTACT ===== */
#contact {
  background: var(--color-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: 0 4px 24px var(--color-shadow-strong);
  transition: all var(--transition-smooth);
}

#contact:hover {
  box-shadow: 0 12px 40px var(--color-shadow);
}

#contact p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  transition: all var(--transition-fast);
}

#contact p:last-child {
  border-bottom: none;
}

#contact p:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

#contact p::before {
  content: '◆';
  color: var(--color-primary);
  font-size: 0.6rem;
  margin-top: 6px;
  flex-shrink: 0;
}

/* ===== SITEMAP & LINKS ===== */
#sitemap ul,
#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
  padding: 0;
}

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

#sitemap ul li a,
#links ul li a {
  display: inline-block;
  padding: 10px 22px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: 40px;
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--transition-smooth);
  box-shadow: 0 2px 8px var(--color-shadow-strong);
}

#sitemap ul li a:hover,
#links ul li a:hover {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--color-shadow);
}

/* ===== LEGAL & META ===== */
#legal h3,
#meta h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 20px 0 8px;
  padding-left: 14px;
  position: relative;
}

#legal h3::before,
#meta h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
  border-radius: 2px;
}

#legal p,
#meta p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.85;
  margin-bottom: 8px;
}

#meta p {
  display: inline-block;
  margin-right: 20px;
  padding: 6px 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: 40px;
  font-size: 0.84rem;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

#meta p:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-light);
}

/* ===== FOOTER ===== */
footer {
  position: relative;
  padding: 40px 24px;
  text-align: center;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.06), rgba(124, 58, 237, 0.06), rgba(6, 182, 212, 0.06));
  border-top: 1px solid var(--color-border);
  margin-top: 20px;
}

footer p {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  transition: color var(--transition-fast);
}

footer p:hover {
  color: var(--color-primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  header {
    padding: 80px 20px 64px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    margin-bottom: 36px;
  }

  nav[aria-label="主导航"] ul {
    border-radius: var(--radius-lg);
    padding: 8px;
    gap: 6px;
  }

  nav[aria-label="主导航"] a {
    padding: 8px 14px;
    font-size: 0.82rem;
  }

  main {
    padding: 0 16px 48px;
  }

  section {
    margin-bottom: 44px;
  }

  article {
    padding: 24px 20px;
    border-radius: var(--radius-md);
  }

  #contact {
    padding: 28px 22px;
  }
}

@media (max-width: 600px) {
  html {
    font-size: 15px;
  }

  header {
    padding: 64px 16px 52px;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    margin-bottom: 28px;
  }

  header h1 {
    font-size: 1.45rem;
    margin-bottom: 14px;
  }

  header > p {
    font-size: 0.88rem;
    margin-bottom: 28px;
    line-height: 1.8;
  }

  nav[aria-label="主导航"] ul {
    border-radius: var(--radius-md);
    padding: 6px;
    gap: 4px;
  }

  nav[aria-label="主导航"] a {
    padding: 7px 12px;
    font-size: 0.78rem;
  }

  main {
    padding: 0 12px 36px;
  }

  section {
    margin-bottom: 36px;
  }

  section > h2 {
    font-size: 1.25rem;
    margin-bottom: 20px;
  }

  section > h3 {
    font-size: 1rem;
    margin: 22px 0 12px;
    padding-left: 13px;
  }

  section > h3::before {
    width: 4px;
    height: 18px;
  }

  section > p {
    font-size: 0.9rem;
    line-height: 1.85;
  }

  section > ul li {
    padding: 10px 14px 10px 38px;
    font-size: 0.88rem;
    border-radius: var(--radius-sm);
  }

  section > ul li::before {
    left: 14px;
    width: 10px;
    height: 10px;
  }

  article {
    padding: 20px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
  }

  article h3 {
    font-size: 1rem;
  }

  article > p {
    font-size: 0.86rem;
  }

  blockquote {
    padding: 18px 18px 18px 44px;
    border-radius: var(--radius-sm);
  }

  blockquote::before {
    left: 14px;
    font-size: 2rem;
  }

  #faq h3 {
    font-size: 0.92rem;
    padding: 14px 16px 14px 42px;
  }

  #faq h3 + p {
    padding: 14px 16px 14px 42px;
    font-size: 0.86rem;
  }

  #howto ol li {
    padding: 16px 16px 16px 58px;
    font-size: 0.88rem;
  }

  #howto ol li::before {
    left: 14px;
    width: 30px;
    height: 30px;
    font-size: 0.8rem;
  }

  #contact {
    padding: 24px 18px;
    border-radius: var(--radius-md);
  }

  #contact p {
    font-size: 0.88rem;
  }

  #sitemap ul li a,
  #links ul li a {
    padding: 8px 16px;
    font-size: 0.82rem;
  }

  #meta p {
    display: block;
    margin-right: 0;
    margin-bottom: 8px;
    text-align: center;
  }

  footer {
    padding: 32px 16px;
  }

  footer p {
    font-size: 0.82rem;
  }
}

@media (max-width: 380px) {
  header h1 {
    font-size: 1.25rem;
  }

  nav[aria-label="主导航"] a {
    padding: 6px 10px;
    font-size: 0.74rem;
  }
}

/* ===== 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;
  }

  section {
    opacity: 1;
    transform: none;
  }
}

/* ===== PRINT ===== */
@media print {
  header {
    background: none;
    color: var(--color-text);
    padding: 20px 0;
    box-shadow: none;
  }

  header h1,
  header > p {
    color: var(--color-text);
    text-shadow: none;
  }

  nav[aria-label="主导航"] {
    display: none;
  }

  article,
  blockquote,
  #contact,
  section > ul li {
    box-shadow: none;
    border: 1px solid #ddd;
    background: #fff;
  }

  a {
    color: var(--color-text);
  }
}