:root {
  --c-bg: #f4f7fb;
  --c-bg-soft: #eaf1f9;
  --c-surface: #ffffff;
  --c-surface-glass: rgba(255, 255, 255, 0.72);
  --c-border: rgba(15, 61, 110, 0.12);
  --c-text: #16263a;
  --c-text-soft: #4a5f78;
  --c-text-mute: #6b7f96;
  --c-primary: #0f3d6e;
  --c-primary-2: #1f6fb2;
  --c-accent: #7fd1ff;
  --c-accent-2: #38bdf8;
  --c-link: #1266b5;
  --c-link-hover: #0f3d6e;
  --c-success: #1f9d6b;
  --c-warning: #c47b12;
  --c-danger: #c0392b;
  --c-shadow-sm: 0 2px 8px rgba(15, 61, 110, 0.06);
  --c-shadow-md: 0 10px 30px rgba(15, 61, 110, 0.10);
  --c-shadow-lg: 0 20px 50px rgba(15, 61, 110, 0.16);
  --grad-hero: linear-gradient(135deg, #0f3d6e 0%, #1f6fb2 55%, #38bdf8 100%);
  --grad-btn: linear-gradient(120deg, #1f6fb2 0%, #38bdf8 100%);
  --grad-card: linear-gradient(160deg, rgba(255, 255, 255, 0.95) 0%, rgba(234, 241, 249, 0.85) 100%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --maxw: 1200px;
  --gap: 24px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.35s;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --c-bg: #0b1420;
    --c-bg-soft: #101d2c;
    --c-surface: #142235;
    --c-surface-glass: rgba(20, 34, 53, 0.68);
    --c-border: rgba(127, 209, 255, 0.16);
    --c-text: #e6eef7;
    --c-text-soft: #b3c4d6;
    --c-text-mute: #8ba0b6;
    --c-primary: #7fd1ff;
    --c-primary-2: #38bdf8;
    --c-accent: #7fd1ff;
    --c-link: #7fd1ff;
    --c-link-hover: #bfe9ff;
    --c-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
    --c-shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
    --c-shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.55);
    --grad-hero: linear-gradient(135deg, #071120 0%, #0f3d6e 55%, #1f6fb2 100%);
    --grad-btn: linear-gradient(120deg, #1f6fb2 0%, #38bdf8 100%);
    --grad-card: linear-gradient(160deg, rgba(20, 34, 53, 0.95) 0%, rgba(16, 29, 44, 0.88) 100%);
    color-scheme: dark;
  }
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  background-color: var(--c-bg);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(127, 209, 255, 0.16), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(31, 111, 178, 0.14), transparent 45%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

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

h1,
h2,
h3,
h4 {
  color: var(--c-text);
  line-height: 1.35;
  font-weight: 700;
  margin: 0 0 0.6em;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
}

h2 {
  font-size: clamp(1.32rem, 2.4vw, 1.85rem);
  position: relative;
  padding-left: 16px;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 5px;
  border-radius: 3px;
  background: var(--grad-btn);
}

h3 {
  font-size: clamp(1.1rem, 1.8vw, 1.32rem);
  margin-top: 1.4em;
}

h4 {
  font-size: 1.05rem;
}

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

ul,
ol {
  margin: 0 0 1.2em;
  padding-left: 1.4em;
  color: var(--c-text-soft);
}

li {
  margin-bottom: 0.5em;
}

li::marker {
  color: var(--c-primary-2);
}

blockquote {
  margin: 1.4em 0;
  padding: 16px 20px;
  background: var(--c-surface-glass);
  border-left: 4px solid var(--c-accent-2);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--c-shadow-sm);
}

blockquote p {
  margin: 0;
  color: var(--c-text);
  font-style: italic;
}

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

#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-surface-glass);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--c-shadow-sm);
  transition: box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand svg {
  border-radius: 10px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.brand:hover svg {
  transform: rotate(-4deg) scale(1.06);
  box-shadow: 0 6px 18px rgba(31, 111, 178, 0.35);
}

.brand-name {
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--c-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

@media (prefers-color-scheme: dark) {
  .brand-name {
    color: var(--c-accent);
  }
}

#site-header nav {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
  margin: 0;
  padding: 0;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: inline-block;
  padding: 6px 11px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  color: var(--c-text-soft);
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: rgba(56, 189, 248, 0.16);
  color: var(--c-primary-2);
  text-decoration: none;
  transform: translateY(-2px);
}

.site-search {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.site-search input[type="search"] {
  width: 190px;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--c-text);
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), width var(--dur) var(--ease);
}

.site-search input[type="search"]::placeholder {
  color: var(--c-text-mute);
}

.site-search input[type="search"]:focus {
  width: 230px;
  border-color: var(--c-accent-2);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.18);
  outline: none;
}

.site-search button {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--grad-btn);
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), filter var(--dur) var(--ease);
}

.site-search button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(31, 111, 178, 0.35);
  filter: brightness(1.05);
}

.site-search button:active {
  transform: translateY(0);
}

main {
  display: block;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 32px;
  max-width: var(--maxw);
  margin: 28px auto 0;
  padding: 40px 28px;
  border-radius: var(--radius-lg);
  background: var(--grad-hero);
  box-shadow: var(--c-shadow-lg);
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(127, 209, 255, 0.35), transparent 68%);
  border-radius: 50%;
  z-index: -1;
  animation: heroFloat 12s ease-in-out infinite alternate;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto auto -50% -12%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 70%);
  border-radius: 50%;
  z-index: -1;
  animation: heroFloat 16s ease-in-out infinite alternate-reverse;
}

@keyframes heroFloat {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-30px, 24px, 0) scale(1.08);
  }
}

.hero-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--c-shadow-md);
  transform: perspective(1000px) rotateY(-4deg);
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
  animation: fadeUp 0.9s var(--ease) both;
}

.hero-media:hover {
  transform: perspective(1000px) rotateY(0deg) scale(1.015);
  box-shadow: var(--c-shadow-lg);
}

.hero-media svg {
  width: 100%;
  height: auto;
  display: block;
}

.hero-content {
  color: #fff;
  animation: fadeUp 0.9s var(--ease) 0.12s both;
}

.hero-content h1 {
  color: #fff;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.25);
  margin-bottom: 0.5em;
}

.hero-lead {
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 0.9em;
}

.hero-keywords {
  display: inline-block;
  color: #eaf6ff;
  font-size: 0.88rem;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 1.2em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 1.4em;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 11px 26px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.btn-primary {
  color: #0b2540;
  background: linear-gradient(120deg, #7fd1ff 0%, #d9f2ff 100%);
  box-shadow: 0 8px 22px rgba(127, 209, 255, 0.35);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  color: #0b2540;
  text-decoration: none;
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(127, 209, 255, 0.45);
}

.btn-secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  color: #fff;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-3px);
}

.hero-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.hero-stats li {
  flex: 1 1 110px;
  margin: 0;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-align: center;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.hero-stats li:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.18);
}

.stat-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.82);
  margin-top: 2px;
}

.breadcrumb {
  max-width: var(--maxw);
  margin: 18px auto 0;
  padding: 0 24px;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  font-size: 0.86rem;
  color: var(--c-text-mute);
}

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

.breadcrumb li + li::before {
  content: "›";
  margin-right: 6px;
  color: var(--c-text-mute);
}

.breadcrumb a {
  color: var(--c-text-soft);
}

.breadcrumb a:hover {
  color: var(--c-primary-2);
}

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

.section {
  max-width: var(--maxw);
  margin: 28px auto;
  padding: 30px 28px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--c-shadow-sm);
  animation: fadeUp 0.8s var(--ease) both;
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.section:hover {
  box-shadow: var(--c-shadow-md);
  border-color: rgba(56, 189, 248, 0.28);
}

.section > h2:first-child {
  margin-top: 0;
}

.section h3 {
  color: var(--c-primary);
}

@media (prefers-color-scheme: dark) {
  .section h3 {
    color: var(--c-accent);
  }
}

.news-item {
  position: relative;
  padding: 18px 20px 18px 24px;
  margin-bottom: 16px;
  background: var(--grad-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: var(--c-shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--grad-btn);
  opacity: 0.85;
}

.news-item:hover {
  transform: translateX(4px);
  box-shadow: var(--c-shadow-md);
  border-color: rgba(56, 189, 248, 0.4);
}

.news-item h3 {
  margin: 0 0 6px;
  font-size: 1.08rem;
}

.news-item p {
  margin-bottom: 0.6em;
}

.news-item p:last-child {
  margin-bottom: 0;
}

.meta {
  font-size: 0.82rem;
  color: var(--c-text-mute);
  letter-spacing: 0.02em;
}

.article-card {
  position: relative;
  padding: 20px 22px;
  margin-bottom: 18px;
  background: var(--grad-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: var(--c-shadow-sm);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.article-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(56, 189, 248, 0.12), transparent 55%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--c-shadow-md);
  border-color: rgba(56, 189, 248, 0.42);
}

.article-card:hover::after {
  opacity: 1;
}

.article-card h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
}

.article-card h3 a {
  color: var(--c-text);
  text-decoration: none;
}

.article-card h3 a:hover {
  color: var(--c-primary-2);
  text-decoration: none;
}

.article-card .summary {
  position: relative;
  z-index: 1;
  color: var(--c-text-soft);
  font-size: 0.95rem;
  margin-bottom: 0.8em;
}

.read-more {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-primary-2);
  padding: 4px 0;
}

.read-more::after {
  content: "→";
  transition: transform var(--dur) var(--ease);
}

.read-more:hover {
  text-decoration: none;
  color: var(--c-primary);
}

.read-more:hover::after {
  transform: translateX(5px);
}

.faq-item {
  margin-bottom: 12px;
  background: var(--grad-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: var(--c-shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.faq-item:hover {
  box-shadow: var(--c-shadow-md);
  border-color: rgba(56, 189, 248, 0.38);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 16px 52px 16px 20px;
  font-weight: 600;
  color: var(--c-text);
  font-size: 1rem;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  line-height: 24px;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--c-primary-2);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 50%;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.faq-item summary:hover {
  color: var(--c-primary-2);
  background: rgba(56, 189, 248, 0.06);
}

.faq-item[open] summary {
  color: var(--c-primary-2);
  border-bottom: 1px dashed var(--c-border);
}

.faq-item[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
  background: var(--c-primary-2);
  color: #fff;
  border-color: var(--c-primary-2);
}

.faq-item > p {
  padding: 16px 20px 18px;
  margin: 0;
  color: var(--c-text-soft);
  animation: fadeIn 0.4s var(--ease) both;
}

.contact-list,
.sitemap-list,
.friend-links {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2em;
}

.contact-list li,
.sitemap-list li,
.friend-links li {
  position: relative;
  padding: 8px 12px 8px 30px;
  margin-bottom: 6px;
  border-radius: var(--radius-sm);
  color: var(--c-text-soft);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.contact-list li::before,
.sitemap-list li::before,
.friend-links li::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad-btn);
  transform: translateY(-50%);
}

.contact-list li:hover,
.sitemap-list li:hover,
.friend-links li:hover {
  background: rgba(56, 189, 248, 0.08);
  transform: translateX(3px);
}

.sitemap-list,
.friend-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 4px 12px;
}

.copyright {
  margin-top: 1.4em;
  padding-top: 1em;
  border-top: 1px dashed var(--c-border);
  font-size: 0.86rem;
  color: var(--c-text-mute);
}

#site-footer {
  margin-top: 40px;
  background: var(--grad-hero);
  color: rgba(255, 255, 255, 0.88);
  position: relative;
  overflow: hidden;
}

#site-footer::before {
  content: "";
  position: absolute;
  inset: -60% -10% auto auto;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(127, 209, 255, 0.22), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.footer-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 36px 28px;
}

.footer-inner p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.9rem;
  margin-bottom: 0.6em;
  line-height: 1.75;
}

.footer-inner p:last-child {
  margin-bottom: 0;
}

.footer-inner a {
  color: #bfe9ff;
  text-decoration: none;
}

.footer-inner a:hover {
  color: #fff;
  text-decoration: underline;
}

#back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 120;
  padding: 10px 18px;
  font-size: 0.86rem;
  font-family: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--grad-btn);
  border: none;
  border-radius: var(--radius-pill);
  box-shadow: var(--c-shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

#back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--c-shadow-lg);
}

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

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@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;
  }
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }

  .hero-media {
    order: -1;
    transform: none;
    max-height: 320px;
  }

  .hero-media svg {
    height: 320px;
    object-fit: cover;
  }

  .site-search input[type="search"] {
    width: 150px;
  }

  .site-search input[type="search"]:focus {
    width: 180px;
  }
}

@media (max-width: 860px) {
  .header-inner {
    gap: 12px;
    padding: 10px 16px;
  }

  #site-header nav {
    order: 3;
    flex-basis: 100%;
  }

  .nav-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

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

  .nav-list::-webkit-scrollbar-thumb {
    background: rgba(56, 189, 248, 0.4);
    border-radius: 4px;
  }

  .site-search {
    margin-left: auto;
  }

  .site-search input[type="search"] {
    width: 130px;
  }

  .site-search input[type="search"]:focus {
    width: 150px;
  }

  .section {
    margin: 20px 16px;
    padding: 24px 18px;
    border-radius: var(--radius-md);
  }

  .hero {
    margin: 18px 16px 0;
    border-radius: var(--radius-md);
  }

  .breadcrumb {
    padding: 0 18px;
  }

  .sitemap-list,
  .friend-links {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15px;
    line-height: 1.75;
  }

  .brand-name {
    font-size: 0.9rem;
    white-space: normal;
    line-height: 1.3;
    max-width: 170px;
  }

  .site-search {
    flex-basis: 100%;
    order: 4;
  }

  .site-search input[type="search"] {
    flex: 1;
    width: auto;
  }

  .site-search input[type="search"]:focus {
    width: auto;
  }

  .hero {
    padding: 24px 16px;
    gap: 20px;
  }

  .hero-media {
    max-height: 200px;
  }

  .hero-media svg {
    height: 200px;
  }

  .hero-lead {
    font-size: 0.94rem;
  }

  .hero-stats {
    gap: 8px;
  }

  .hero-stats li {
    flex: 1 1 90px;
    padding: 10px 8px;
  }

  .stat-num {
    font-size: 1.2rem;
  }

  .btn-primary,
  .btn-secondary {
    padding: 10px 20px;
    font-size: 0.9rem;
    flex: 1 1 auto;
    text-align: center;
  }

  .section {
    margin: 16px 12px;
    padding: 20px 14px;
  }

  h2 {
    padding-left: 12px;
  }

  h2::before {
    width: 4px;
  }

  .article-card,
  .news-item {
    padding: 16px 14px;
  }

  .news-item::before {
    top: 12px;
    bottom: 12px;
  }

  .faq-item summary {
    padding: 14px 46px 14px 14px;
    font-size: 0.95rem;
  }

  .faq-item summary::after {
    right: 14px;
  }

  .faq-item > p {
    padding: 14px 14px 16px;
  }

  .sitemap-list,
  .friend-links {
    grid-template-columns: 1fr 1fr;
  }

  #back-to-top {
    right: 12px;
    bottom: 12px;
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  .footer-inner {
    padding: 28px 16px;
  }
}

@media (hover: none) {
  .article-card:hover,
  .news-item:hover,
  .section:hover,
  .hero-stats li:hover {
    transform: none;
  }
}