:root {
  --bg: #e6f7ff;
  --bg-soft: #f3eeff;
  --surface: #ffffff;
  --surface-soft: #f9f9fb;
  --ink: #22182d;
  --muted: #62586e;
  --gold: #ffd200;
  --gold-deep: #ff9f00;
  --pink: #ff5ea5;
  --pink-deep: #d9317c;
  --violet: #7b5cff;
  --cyan: #52d9ff;
  --line: rgba(34, 24, 45, 0.12);
  --shadow: 0 18px 46px rgba(54, 39, 82, 0.13);
  --shadow-soft: 0 10px 28px rgba(54, 39, 82, 0.1);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(230, 247, 255, 0.96), rgba(243, 238, 255, 0.9) 42%, rgba(255, 255, 255, 0.96));
  line-height: 1.72;
  text-rendering: auto;
  -webkit-font-smoothing: auto;
}

::selection {
  color: #2a1b00;
  background: rgba(255, 210, 0, 0.72);
}

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

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

p,
h1,
h2,
h3,
figure,
dl,
dd {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--gold);
  border-radius: 6px;
  font-weight: 800;
  transition: top 0.2s ease;
}

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

.sr-only {
  position: absolute;
  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: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(255, 210, 0, 0.34);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--pink), var(--violet));
  box-shadow: 0 0 18px rgba(255, 94, 165, 0.35);
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left center;
  transition: transform 0.08s linear;
}

.site-nav {
  max-width: var(--max);
  min-height: 70px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 800;
}

.brand-logo {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  border: 2px solid rgba(255, 210, 0, 0.72);
  border-radius: 8px;
  object-fit: cover;
  object-position: center;
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(255, 159, 0, 0.2);
}

.brand-text {
  overflow: hidden;
  color: var(--ink);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 800;
}

.ui-icon {
  width: 18px;
  height: 18px;
  display: inline-block;
  flex: 0 0 auto;
  object-fit: contain;
  object-position: center;
  vertical-align: -0.15em;
  opacity: 0.96;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  font-size: 1rem;
  font-weight: 700;
}

.nav-menu a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 13px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: #171125;
  text-shadow: none;
  -webkit-font-smoothing: auto;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, text-shadow 0.2s ease;
}

.nav-menu a:not(.nav-cta):hover,
.nav-menu a:not(.nav-cta):focus-visible,
.nav-menu a:not(.nav-cta).is-active {
  color: var(--pink-deep);
  border-color: rgba(255, 210, 0, 0.9);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 0 0 3px rgba(255, 210, 0, 0.18), 0 10px 22px rgba(255, 94, 165, 0.12);
  text-shadow: 0 0 12px rgba(255, 94, 165, 0.38);
}

.nav-cta {
  color: #ffffff !important;
  background: linear-gradient(135deg, var(--pink), var(--gold-deep)) !important;
  box-shadow: 0 10px 22px rgba(255, 94, 165, 0.22);
  font-weight: 800;
  text-shadow: none;
  position: relative;
  overflow: hidden;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  transform: translateY(-2px);
}

.nav-cta .ui-icon {
  width: 18px;
  height: 18px;
  filter: brightness(0) invert(1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 10px;
  position: relative;
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--ink);
  border-radius: 999px;
  transform-origin: center;
  transition: top 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

.nav-toggle span:not(.sr-only):nth-child(1) {
  top: 13px;
}

.nav-toggle span:not(.sr-only):nth-child(2) {
  top: 20px;
}

.nav-toggle span:not(.sr-only):nth-child(3) {
  top: 27px;
}

.nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(1) {
  top: 20px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(3) {
  top: 20px;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 690px;
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 210, 0, 0.4);
  --hero-y: 0px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: translate3d(0, var(--hero-y), 0) scale(1.04);
  transition: transform 0.08s linear;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.72) 43%, rgba(255, 255, 255, 0.14)),
    linear-gradient(180deg, rgba(230, 247, 255, 0.2), rgba(243, 238, 255, 0.56));
}

.hero-content {
  position: relative;
  width: min(720px, calc(100% - 40px));
  max-width: var(--max);
  margin: 0 auto;
  transform: translateX(-230px);
  animation: heroIntro 0.72s ease both;
}

.eyebrow,
.section-kicker {
  color: var(--pink-deep);
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin-top: 10px;
  color: var(--pink-deep);
  font-size: 3.05rem;
  line-height: 1.08;
  letter-spacing: 0;
  background: linear-gradient(135deg, var(--gold-deep), var(--pink) 48%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

.hero-copy {
  max-width: 660px;
  margin-top: 22px;
  color: #3d3348;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.1;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn::after,
.nav-cta::after {
  content: "";
  position: absolute;
  inset: -40% auto -40% -70%;
  width: 42%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.56), transparent);
  transform: skewX(-18deg);
  transition: left 0.48s ease;
  pointer-events: none;
}

.btn:hover::after,
.btn:focus-visible::after,
.nav-cta:hover::after,
.nav-cta:focus-visible::after {
  left: 130%;
}

.btn .ui-icon {
  width: 19px;
  height: 19px;
}

.btn-primary .ui-icon {
  filter: brightness(0) saturate(100%) sepia(38%) saturate(1402%) hue-rotate(359deg) brightness(73%) contrast(99%);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: #2a1b00;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  box-shadow: 0 14px 30px rgba(255, 159, 0, 0.28);
}

.btn-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(255, 94, 165, 0.35);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 650px;
  margin-top: 34px;
}

.hero-facts div {
  min-height: 86px;
  padding: 14px;
  border: 1px solid rgba(255, 210, 0, 0.45);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 12px 26px rgba(54, 39, 82, 0.09);
}

.hero-facts dt {
  color: var(--pink-deep);
  font-size: 0.78rem;
  font-weight: 900;
}

.hero-facts dd {
  margin-top: 5px;
  color: var(--ink);
  font-weight: 900;
}

.section {
  padding: 88px 20px;
}

.section:nth-of-type(odd) {
  background: rgba(255, 255, 255, 0.42);
}

.section-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.section-kicker {
  margin-bottom: 8px;
}

h2 {
  color: var(--pink-deep);
  font-size: 1.9rem;
  line-height: 1.2;
  letter-spacing: 0;
  background: linear-gradient(135deg, var(--pink-deep), var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

h3 {
  color: #2d1c3f;
  font-size: 1.16rem;
  line-height: 1.35;
  letter-spacing: 0;
}

.lead {
  max-width: 820px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.03rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.82fr);
  gap: 42px;
  align-items: center;
}

.section-copy p + p {
  margin-top: 16px;
}

.notice {
  display: grid;
  gap: 5px;
  margin-top: 24px;
  padding: 16px;
  border-left: 5px solid var(--gold);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.notice strong {
  color: #5a3700;
}

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

.media-panel,
.route-image,
.guide-image,
.feature-media-row figure,
.gallery-main-panel {
  overflow: hidden;
  border: 1px solid rgba(255, 210, 0, 0.42);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.media-panel:hover,
.route-image:hover,
.guide-image:hover,
.feature-media-row figure:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 94, 165, 0.62);
  box-shadow: 0 24px 58px rgba(255, 94, 165, 0.18), 0 16px 34px rgba(255, 210, 0, 0.14);
}

.media-panel:hover img,
.route-image:hover img,
.guide-image:hover img,
.feature-media-row figure:hover img {
  transform: scale(1.045);
  filter: saturate(1.18) contrast(1.05) brightness(1.06);
}

figure img {
  width: 100%;
  object-fit: cover;
  transition: transform 0.36s ease, filter 0.36s ease, opacity 0.24s ease;
}

figcaption {
  padding: 11px 14px 13px;
  color: var(--muted);
  font-size: 0.88rem;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.feature-card,
.highlight-grid article,
.guide-list article {
  min-height: 100%;
  padding: 20px;
  border: 1px solid rgba(255, 210, 0, 0.38);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
  transform: perspective(900px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) translateY(var(--lift-y, 0));
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
}

.feature-card:hover,
.highlight-grid article:hover,
.guide-list article:hover,
.timeline li:hover,
.faq-list details:hover {
  --lift-y: -4px;
  border-color: rgba(255, 94, 165, 0.42);
  box-shadow: 0 18px 42px rgba(255, 94, 165, 0.14), 0 10px 26px rgba(54, 39, 82, 0.1);
}

.feature-card p,
.highlight-grid p,
.guide-list p {
  margin-top: 10px;
  color: var(--muted);
}

.card-icon {
  width: 38px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  margin-bottom: 14px;
  border-radius: 6px;
  color: #3d2600;
  background: linear-gradient(135deg, var(--gold), #ffe87a);
  font-size: 0.82rem;
  font-weight: 900;
}

.image-text {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
  gap: 34px;
  align-items: center;
  margin-top: 42px;
}

.image-text h3 {
  font-size: 1.45rem;
}

.image-text p {
  margin-top: 14px;
  color: var(--muted);
}

.route-section {
  background:
    linear-gradient(135deg, rgba(255, 210, 0, 0.16), rgba(255, 94, 165, 0.12)),
    rgba(255, 255, 255, 0.5);
}

.route-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  gap: 34px;
  align-items: stretch;
  margin-top: 28px;
}

.route-image img {
  height: 100%;
  min-height: 440px;
  object-fit: cover;
}

.route-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: route;
}

.route-steps li {
  position: relative;
  min-height: 98px;
  padding: 18px 18px 18px 68px;
  border: 1px solid rgba(255, 94, 165, 0.25);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-soft);
  counter-increment: route;
}

.route-steps li::before {
  content: counter(route);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  color: #371b00;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  font-weight: 900;
}

.route-steps strong,
.route-steps span {
  display: block;
}

.route-steps span {
  margin-top: 6px;
  color: var(--muted);
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1fr);
  gap: 30px;
  align-items: center;
  margin-top: 30px;
}

.guide-list {
  display: grid;
  gap: 14px;
}

.guide-image img {
  aspect-ratio: 1000 / 587;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.feature-media-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.feature-media-row img {
  aspect-ratio: 16 / 9;
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.gallery-switcher {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.46fr);
  gap: 18px;
  align-items: stretch;
  margin-top: 26px;
}

.gallery-main-panel {
  min-height: 100%;
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.gallery-main-panel:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 94, 165, 0.62);
  box-shadow: 0 22px 52px rgba(255, 94, 165, 0.18), 0 16px 34px rgba(255, 210, 0, 0.14), var(--shadow);
}

.gallery-main-panel img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: opacity 0.2s ease, transform 0.34s ease, filter 0.34s ease;
}

.gallery-main-panel:hover img {
  transform: scale(1.035);
  filter: saturate(1.16) contrast(1.05) brightness(1.05);
}

.gallery-main-panel.is-swapping img {
  opacity: 0.2;
  transform: scale(1.015);
}

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

.gallery-thumb {
  position: relative;
  overflow: hidden;
  min-height: 0;
  padding: 0;
  border: 2px solid rgba(255, 210, 0, 0.44);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.gallery-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 6px;
  box-shadow: inset 0 0 0 0 rgba(255, 94, 165, 0);
  transition: box-shadow 0.2s ease;
}

.gallery-thumb:hover,
.gallery-thumb:focus-visible,
.gallery-thumb.is-active {
  transform: translateY(-2px);
  border-color: var(--pink);
  box-shadow: 0 14px 30px rgba(255, 94, 165, 0.18);
}

.gallery-thumb:hover img,
.gallery-thumb:focus-visible img,
.gallery-thumb.is-active img {
  transform: scale(1.06);
  filter: saturate(1.2) contrast(1.06) brightness(1.08);
}

.gallery-thumb.is-active::after {
  box-shadow: inset 0 0 0 4px rgba(255, 210, 0, 0.78);
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.updates-section {
  background:
    linear-gradient(180deg, rgba(230, 247, 255, 0.84), rgba(255, 255, 255, 0.72));
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: timeline;
}

.timeline li {
  position: relative;
  min-height: 88px;
  padding: 18px 18px 18px 58px;
  border: 1px solid rgba(82, 217, 255, 0.34);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-soft);
  counter-increment: timeline;
  transform: translateY(var(--lift-y, 0));
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.timeline li::before {
  content: counter(timeline);
  position: absolute;
  left: 16px;
  top: 18px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  color: #2d1f00;
  background: var(--gold);
  font-size: 0.86rem;
  font-weight: 900;
}

.timeline strong,
.timeline span {
  display: block;
}

.timeline span {
  margin-top: 4px;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.faq-list details {
  border: 1px solid rgba(255, 210, 0, 0.42);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transform: translateY(var(--lift-y, 0));
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

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

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

.faq-list summary::after {
  content: "+";
  float: right;
  width: 24px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  border-radius: 6px;
  color: #4a2d00;
  background: var(--gold);
  font-weight: 900;
  transition: transform 0.2s ease;
}

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

.faq-list p {
  padding: 0 20px 20px;
  color: var(--muted);
  animation: faqOpen 0.22s ease both;
}

.cta-section {
  padding: 72px 20px;
  background: linear-gradient(135deg, rgba(255, 210, 0, 0.32), rgba(255, 94, 165, 0.18), rgba(82, 217, 255, 0.22));
}

.cta-inner {
  display: grid;
  justify-items: start;
  gap: 16px;
}

.cta-inner p {
  max-width: 720px;
  color: var(--muted);
}

.friend-links-section {
  padding: 42px 20px 46px;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.28), transparent 38%),
    linear-gradient(135deg, rgba(123, 92, 255, 0.96), rgba(255, 94, 165, 0.92) 46%, rgba(255, 159, 0, 0.96));
  border-top: 1px solid rgba(255, 255, 255, 0.32);
  border-bottom: 1px solid rgba(255, 210, 0, 0.42);
}

.friend-links-inner {
  display: grid;
  justify-items: center;
  gap: 20px;
  text-align: center;
}

.friend-links-inner h2 {
  color: #ffffff;
  font-size: 1.82rem;
  background: none;
  -webkit-text-fill-color: #ffffff;
  text-shadow: 0 2px 14px rgba(45, 24, 70, 0.24);
}

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

.friend-links a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 999px;
  color: #fff7dc;
  background: rgba(34, 24, 45, 0.32);
  box-shadow: 0 10px 28px rgba(34, 24, 45, 0.16);
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.friend-links a:hover,
.friend-links a:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.66);
  background: rgba(34, 24, 45, 0.46);
}

.site-footer {
  padding: 26px 20px;
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 45;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 8px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--pink), var(--gold-deep));
  box-shadow: 0 16px 34px rgba(255, 94, 165, 0.26);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 20px 42px rgba(255, 94, 165, 0.32);
}

.back-to-top .ui-icon {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
}

.footer-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 0.94rem;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card.reveal.is-visible {
  transform: perspective(900px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) translateY(var(--lift-y, 0));
}

@keyframes heroIntro {
  from {
    opacity: 0;
    transform: translateX(-230px) translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateX(-230px) translateY(0);
  }
}

@keyframes heroIntroSmall {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes faqOpen {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .hero-content {
    transform: none;
    animation-name: heroIntroSmall;
  }
}

@media (max-width: 980px) {
  .site-nav {
    min-height: 64px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
  }

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

  .nav-menu a {
    padding: 12px 14px;
  }

  .hero {
    min-height: 620px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.6) 58%, rgba(255, 255, 255, 0.26)),
      linear-gradient(180deg, rgba(230, 247, 255, 0.24), rgba(243, 238, 255, 0.5));
  }

  .hero h1 {
    font-size: 2.32rem;
  }

  .two-column,
  .image-text,
  .route-layout,
  .guide-layout,
  .gallery-switcher {
    grid-template-columns: 1fr;
  }

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

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

  .route-image img {
    min-height: 360px;
  }
}

@media (max-width: 720px) {
  body {
    line-height: 1.68;
  }

  .site-nav {
    padding: 0 14px;
  }

  .brand-text {
    max-width: 210px;
  }

  .hero {
    min-height: 660px;
    align-items: end;
    padding-bottom: 36px;
  }

  .hero-content {
    width: calc(100% - 28px);
  }

  .hero h1 {
    font-size: 1.86rem;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
    width: 42px;
    height: 42px;
  }

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

  .section {
    padding: 64px 14px;
  }

  h2 {
    font-size: 1.48rem;
  }

  .content-grid,
  .highlight-grid,
  .feature-media-row,
  .timeline {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .highlight-grid article,
  .guide-list article {
    padding: 18px;
  }

  .section-heading-row,
  .footer-inner {
    align-items: start;
    flex-direction: column;
  }

  .friend-links-section {
    padding: 36px 14px 40px;
  }

  .friend-links-inner h2 {
    font-size: 1.46rem;
  }

  .friend-links {
    width: 100%;
    gap: 10px;
  }

  .friend-links a {
    min-width: min(100%, 138px);
    padding: 10px 15px;
  }

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

  .timeline li,
  .route-steps li {
    min-height: auto;
  }
}

@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;
  }

  .hero-bg {
    transform: none !important;
  }

  .media-panel:hover img,
  .route-image:hover img,
  .guide-image:hover img,
  .feature-media-row figure:hover img,
  .gallery-main-panel:hover img,
  .gallery-thumb:hover img,
  .gallery-thumb:focus-visible img,
  .gallery-thumb.is-active img {
    transform: none !important;
  }
}