:root {
  color-scheme: light;
  --page: #fff0f5;
  --surface: #ffffff;
  --surface-soft: #fff8fb;
  --primary: #ff1493;
  --primary-soft: #ff69b4;
  --border: #ffb6c1;
  --blue: #4a6b82;
  --blue-soft: #e8f6ff;
  --yellow: #ffcc62;
  --text: #27323a;
  --muted: #64717b;
  --shadow: 0 18px 40px rgba(255, 20, 147, 0.14);
  --shadow-hover: 0 24px 46px rgba(255, 20, 147, 0.22);
  --focus-ring: 0 0 0 4px rgba(255, 20, 147, 0.18);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--page);
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 240, 245, 0.92), rgba(255, 255, 255, 0.98) 46%, rgba(255, 240, 245, 0.82)),
    var(--page);
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  box-shadow: var(--focus-ring);
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.ui-icon,
.thumb-icon {
  width: 1.08em;
  height: 1.08em;
  flex: 0 0 auto;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--blue);
  color: #fff;
  border-radius: 8px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(255, 182, 193, 0.65);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 800;
  color: var(--primary);
  transition: transform 0.22s ease, color 0.22s ease;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(255, 20, 147, 0.18);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.brand:hover {
  transform: translateY(-1px);
}

.brand:hover img {
  transform: rotate(-3deg) scale(1.06);
  box-shadow: 0 14px 26px rgba(255, 20, 147, 0.28);
}

.brand span {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.4vw, 22px);
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.site-nav a:not(.nav-detail):hover,
.site-nav a:not(.nav-detail).is-active {
  color: var(--primary);
  border-color: rgba(255, 20, 147, 0.7);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 10px 18px rgba(255, 20, 147, 0.12);
}

.site-nav .nav-detail {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border-color: transparent;
  color: #fff;
  background: var(--primary);
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(255, 20, 147, 0.22);
}

.site-nav .nav-detail:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(255, 20, 147, 0.3);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  color: var(--primary);
  border-radius: 8px;
  background: var(--surface);
}

.nav-toggle .nav-icon-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-icon-menu {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-icon-close {
  display: block;
}

.hero {
  position: relative;
  min-height: 78vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  padding: 96px clamp(18px, 5vw, 72px) 72px;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center right;
  z-index: -3;
}

.hero-overlay {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(255, 240, 245, 0.98) 0%, rgba(255, 240, 245, 0.87) 40%, rgba(255, 255, 255, 0.36) 72%, rgba(255, 255, 255, 0.1) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 240, 245, 0.58));
}

.hero-content {
  width: min(680px, 100%);
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before,
.section-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 8em;
  color: var(--primary);
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 900;
  text-shadow: 0 6px 0 rgba(255, 255, 255, 0.8);
}

.hero-lead {
  max-width: 620px;
  margin-top: 18px;
  color: #34424b;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
}

.hero-actions,
.detail-band {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.button-primary:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-soft));
}

.button-secondary:hover {
  color: var(--primary);
  border-color: rgba(255, 20, 147, 0.56);
  background: #fff;
}

.button-primary {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 14px 26px rgba(255, 20, 147, 0.24);
}

.button-secondary {
  color: var(--blue);
  background: rgba(255, 255, 255, 0.86);
  border-color: var(--border);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 640px;
  margin: 34px 0 0;
}

.hero-facts div {
  min-width: 0;
  padding: 14px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 182, 193, 0.75);
  border-radius: 8px;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.hero-facts div:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 20, 147, 0.62);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 28px rgba(255, 20, 147, 0.14);
}

.hero-facts dt {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

.hero-facts dd {
  margin: 0;
  color: var(--blue);
  font-weight: 800;
}

.section {
  width: min(var(--container), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) 0;
}

.section-head {
  max-width: 790px;
  margin-bottom: 34px;
}

.section-head h2 {
  color: var(--blue);
  font-size: clamp(24px, 3.2vw, 36px);
}

.section-head p:last-child {
  margin-top: 14px;
  color: var(--muted);
  font-size: 17px;
}

.intro-grid,
.content-layout,
.guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(22px, 4vw, 48px);
  align-items: center;
}

.content-layout,
.guide-grid {
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
}

.media-block,
.side-media,
.guide-media,
.gallery-item {
  margin: 0;
}

.media-block img,
.side-media img,
.guide-media img,
.gallery-item img {
  width: 100%;
  aspect-ratio: var(--media-ratio, 16 / 9);
  object-fit: cover;
  border: 1px solid rgba(255, 182, 193, 0.72);
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: var(--surface);
  transition: transform 0.34s ease, box-shadow 0.34s ease, border-color 0.34s ease, filter 0.34s ease;
}

.media-block:hover img,
.side-media:hover img,
.guide-media:hover img {
  transform: translateY(-4px) scale(1.015);
  border-color: rgba(255, 20, 147, 0.62);
  box-shadow: var(--shadow-hover);
  filter: saturate(1.06);
}

.media-block {
  --media-ratio: 616 / 353;
}

.side-media,
.guide-media,
.gallery-item {
  --media-ratio: 16 / 9;
}

figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.copy-block {
  padding: clamp(20px, 4vw, 34px);
  background: var(--surface);
  border: 1px solid rgba(255, 182, 193, 0.68);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: transform 0.26s ease, box-shadow 0.26s ease, border-color 0.26s ease;
}

.copy-block:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 20, 147, 0.55);
  box-shadow: var(--shadow-hover);
}

.copy-block h3 {
  color: var(--primary);
  font-size: 24px;
}

.copy-block p {
  margin-top: 14px;
  color: #3f4d56;
}

.info-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.info-list li {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-soft);
  border: 1px solid rgba(255, 182, 193, 0.55);
  border-radius: 8px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.info-list li:hover {
  transform: translateX(4px);
  border-color: rgba(255, 20, 147, 0.5);
  background: #fff;
}

.info-list span {
  color: var(--blue);
  font-weight: 800;
}

.content-cards,
.features-grid,
.routes-grid {
  display: grid;
  gap: 16px;
}

.content-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.route-card,
.feature-tile {
  position: relative;
  min-width: 0;
  padding: 22px;
  background: var(--surface);
  border: 1px solid rgba(255, 182, 193, 0.72);
  border-radius: 8px;
  box-shadow: 0 12px 26px rgba(255, 105, 180, 0.1);
  overflow: hidden;
  transition: transform 0.26s ease, box-shadow 0.26s ease, border-color 0.26s ease, background 0.26s ease;
}

.feature-card::before,
.route-card::before,
.feature-tile::before,
.guide-steps article::before,
.timeline li::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary), var(--yellow));
  opacity: 0;
  transition: opacity 0.24s ease;
}

.feature-card:hover,
.route-card:hover,
.feature-tile:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 20, 147, 0.58);
  background: linear-gradient(180deg, #fff, var(--surface-soft));
  box-shadow: var(--shadow-hover);
}

.feature-card:hover::before,
.route-card:hover::before,
.feature-tile:hover::before {
  opacity: 1;
}

.feature-card h3,
.route-card h3,
.feature-tile h3,
.guide-steps h3 {
  color: var(--primary);
  font-size: 20px;
}

.feature-card p,
.route-card p,
.feature-tile p,
.guide-steps p {
  margin-top: 10px;
  color: var(--muted);
}

.routes-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.route-card {
  padding-top: 48px;
}

.route-mark {
  position: absolute;
  top: 18px;
  left: 20px;
  color: var(--yellow);
  font-weight: 900;
  font-size: 22px;
  transition: color 0.24s ease, transform 0.24s ease;
}

.route-card:hover .route-mark {
  color: var(--primary);
  transform: scale(1.08);
}

.guide-steps {
  display: grid;
  gap: 16px;
}

.guide-steps article {
  position: relative;
  padding: 22px;
  background: var(--surface);
  border: 1px solid rgba(255, 182, 193, 0.72);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.26s ease, border-color 0.26s ease, box-shadow 0.26s ease, background 0.26s ease;
}

.guide-steps article:hover {
  transform: translateX(6px);
  border-color: rgba(255, 20, 147, 0.58);
  background: linear-gradient(90deg, rgba(255, 248, 251, 0.98), #fff);
  box-shadow: 0 16px 30px rgba(255, 20, 147, 0.14);
}

.guide-steps article:hover::before {
  opacity: 1;
}

.features-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-tile {
  min-height: 160px;
}

.gallery {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 34%);
  gap: 18px;
  align-items: stretch;
}

.gallery-main {
  min-width: 0;
}

.gallery-main img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 430px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(255, 182, 193, 0.72);
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: var(--surface);
  transition: transform 0.34s ease, border-color 0.34s ease, box-shadow 0.34s ease, filter 0.34s ease;
}

.gallery-main:hover img {
  transform: scale(1.012);
  border-color: rgba(255, 20, 147, 0.6);
  box-shadow: var(--shadow-hover);
  filter: saturate(1.05);
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.gallery-thumb {
  position: relative;
  display: block;
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 2px solid rgba(255, 182, 193, 0.72);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 12px 24px rgba(255, 20, 147, 0.08);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, filter 0.2s ease;
}

.thumb-icon {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 1;
  width: 26px;
  height: 26px;
  padding: 5px;
  color: #fff;
  background: rgba(255, 20, 147, 0.82);
  border-radius: 8px;
  box-shadow: 0 8px 16px rgba(38, 70, 83, 0.16);
}

.gallery-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.24s ease, filter 0.24s ease;
}

.gallery-thumb:hover,
.gallery-thumb:focus-visible,
.gallery-thumb.is-active {
  border-color: var(--primary);
  box-shadow: 0 16px 28px rgba(255, 20, 147, 0.18);
}

.gallery-thumb.is-active {
  transform: translateY(-2px);
}

.gallery-thumb:hover img,
.gallery-thumb.is-active img {
  transform: scale(1.04);
  filter: saturate(1.08);
}

.gallery-control,
.back-top {
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--blue);
  background: var(--surface);
  font-weight: 800;
  cursor: pointer;
}

.gallery-control:hover,
.back-top:hover {
  color: #fff;
  background: var(--blue);
}

.timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid rgba(255, 182, 193, 0.72);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
}

.timeline li:hover {
  transform: translateX(6px);
  border-color: rgba(255, 20, 147, 0.58);
  background: linear-gradient(90deg, rgba(255, 248, 251, 0.98), #fff);
  box-shadow: 0 16px 30px rgba(255, 20, 147, 0.12);
}

.timeline li:hover::before {
  opacity: 1;
}

.timeline time {
  color: var(--primary);
  font-weight: 900;
}

.timeline-label {
  color: var(--primary);
  font-weight: 900;
  transition: letter-spacing 0.24s ease, color 0.24s ease;
}

.timeline li:hover .timeline-label {
  color: #e90080;
}

.timeline span {
  color: var(--muted);
}

.timeline span time {
  color: var(--blue);
}

.update-note,
.update-empty {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
  padding: 18px 20px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid rgba(255, 182, 193, 0.72);
  border-radius: 8px;
}

.update-note strong,
.update-empty h3 {
  color: var(--primary);
}

.update-empty h3 {
  font-size: 20px;
}

.update-note time {
  color: var(--blue);
  font-weight: 800;
}

.update-checklist {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.update-checklist li {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid rgba(255, 182, 193, 0.72);
  border-radius: 8px;
}

.update-checklist strong {
  color: var(--primary);
}

.update-checklist span {
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid rgba(255, 182, 193, 0.72);
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(255, 105, 180, 0.08);
  overflow: hidden;
  transition: border-color 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease, background 0.24s ease;
}

.faq-list details:hover,
.faq-list details[open] {
  border-color: rgba(255, 20, 147, 0.55);
  background: linear-gradient(180deg, #fff, var(--surface-soft));
  box-shadow: 0 16px 30px rgba(255, 20, 147, 0.12);
}

.faq-list details:hover {
  transform: translateY(-3px);
}

.faq-list summary {
  position: relative;
  cursor: pointer;
  padding: 18px 20px;
  color: var(--blue);
  font-weight: 900;
  list-style: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  color: var(--primary);
  font-size: 22px;
  line-height: 1;
  transform: translateY(-50%);
  transition: transform 0.2s ease;
}

.faq-list details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

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

.faq-list p {
  padding: 0 20px 20px;
  color: var(--muted);
}

.detail-section {
  padding-top: 28px;
}

.detail-band {
  justify-content: space-between;
  padding: clamp(24px, 5vw, 42px);
  background:
    linear-gradient(135deg, rgba(255, 20, 147, 0.1), rgba(74, 107, 130, 0.1)),
    var(--surface);
  border: 1px solid rgba(255, 182, 193, 0.72);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: transform 0.26s ease, box-shadow 0.26s ease, border-color 0.26s ease;
}

.detail-band:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 20, 147, 0.58);
  box-shadow: var(--shadow-hover);
}

.detail-band h2 {
  color: var(--blue);
  font-size: clamp(22px, 2.8vw, 32px);
}

.detail-band p:last-child {
  max-width: 760px;
  margin-top: 10px;
  color: var(--muted);
}

.site-footer {
  display: grid;
  gap: 22px;
  padding: 30px 18px 42px;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid rgba(255, 182, 193, 0.72);
  background:
    linear-gradient(135deg, rgba(255, 20, 147, 0.92), rgba(255, 182, 193, 0.86)),
    rgba(255, 255, 255, 0.62);
}

.friend-links {
  display: grid;
  justify-items: center;
  gap: 16px;
}

.friend-links h2 {
  color: #fff;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(38, 70, 83, 0.18);
  transition: transform 0.24s ease, text-shadow 0.24s ease;
}

.friend-links:hover h2 {
  transform: translateY(-2px);
  text-shadow: 0 8px 18px rgba(38, 70, 83, 0.26);
}

.friend-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.friend-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 22px;
  color: #fff;
  font-weight: 800;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(38, 70, 83, 0.18);
  box-shadow: 0 12px 24px rgba(38, 70, 83, 0.14);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.friend-list a:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 32px rgba(38, 70, 83, 0.22);
}

.site-footer p {
  color: rgba(255, 255, 255, 0.9);
}

.back-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease, box-shadow 0.2s ease;
}

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

.back-top.is-visible:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(74, 107, 130, 0.24);
}

@media (max-width: 1080px) {
  .routes-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .site-header {
    min-height: 64px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 18px;
    right: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
  }

  .site-nav .nav-detail {
    margin-top: 6px;
    text-align: center;
  }

  .hero {
    min-height: 76svh;
    padding-top: 86px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(255, 240, 245, 0.98) 0%, rgba(255, 240, 245, 0.9) 54%, rgba(255, 255, 255, 0.45) 100%),
      rgba(255, 240, 245, 0.26);
  }

  .hero-content {
    width: 100%;
  }

  .hero-facts,
  .intro-grid,
  .content-layout,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .hero-facts,
  .content-cards,
  .routes-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .gallery {
    grid-template-columns: 1fr;
  }

  .gallery-main img {
    min-height: 260px;
  }

  .gallery-thumbs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .update-checklist li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

}

@media (max-width: 520px) {
  .brand span {
    max-width: 7em;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero {
    padding-inline: 18px;
  }

  .hero-actions,
  .detail-band {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    width: min(100% - 28px, var(--container));
  }

  .copy-block,
  .feature-card,
  .route-card,
  .feature-tile,
  .guide-steps article {
    padding: 18px;
  }

  .info-list li {
    grid-template-columns: 1fr;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .brand:hover,
  .brand:hover img,
  .button:hover,
  .hero-facts div:hover,
  .media-block:hover img,
  .side-media:hover img,
  .guide-media:hover img,
  .copy-block:hover,
  .info-list li:hover,
  .feature-card:hover,
  .route-card:hover,
  .feature-tile:hover,
  .route-card:hover .route-mark,
  .guide-steps article:hover,
  .gallery-main:hover img,
  .gallery-thumb:hover img,
  .gallery-thumb.is-active img,
  .timeline li:hover,
  .faq-list details:hover,
  .detail-band:hover,
  .friend-links:hover h2,
  .friend-list a:hover,
  .back-top.is-visible:hover {
    transform: none !important;
  }
}