:root {
  --ivory: #fdfbf7;
  --oat: #eae6df;
  --pine: #1b4332;
  --pine-deep: #102b20;
  --pine-muted: #315b49;
  --gold: #d4af37;
  --brass: #b88a18;
  --ink: #1c2f27;
  --muted: #5f6d66;
  --line: #d4d0c5;
  --paper: #ffffff;
  --shadow: 0 18px 42px rgba(19, 54, 39, 0.11);
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

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

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

button {
  font: inherit;
}

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

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

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.23;
  letter-spacing: 0;
}

h2 {
  color: var(--pine);
  font-size: clamp(1.62rem, 2.35vw, 2.45rem);
}

h3 {
  font-size: 1.32rem;
}

p {
  color: var(--muted);
}

.shell {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  left: 16px;
  top: -100px;
  padding: 8px 14px;
  border-radius: 4px;
  background: var(--gold);
  color: var(--pine-deep);
  font-weight: 700;
  transition: top 160ms ease;
}

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

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  transition: background-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.is-scrolled {
  position: fixed;
  background: rgba(253, 251, 247, 0.98);
  box-shadow: 0 4px 20px rgba(22, 48, 37, 0.1);
  color: var(--pine-deep);
}

.header-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  min-width: 197px;
  align-items: center;
  gap: 10px;
}

.brand img {
  width: 64px;
  height: 39px;
  border: 1px solid rgba(212, 175, 55, 0.75);
  object-fit: cover;
  object-position: center;
}

.brand-copy {
  display: grid;
  gap: 1px;
  line-height: 1.1;
}

.brand-copy strong {
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: 0;
}

.brand-copy small {
  color: inherit;
  font-family: Georgia, serif;
  font-size: 0.69rem;
  letter-spacing: 0.12em;
  opacity: 0.75;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
}

.site-nav > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.site-nav > a:not(.nav-cta) {
  position: relative;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid transparent;
  color: inherit;
  transition: color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.site-nav > a:not(.nav-cta):hover,
.site-nav > a:not(.nav-cta):focus-visible {
  border-color: rgba(212, 175, 55, 0.88);
  color: var(--gold);
  transform: translateY(-1px);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--gold);
  font-weight: 700;
  line-height: 1;
  transition: background-color 160ms ease, box-shadow 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.nav-cta {
  min-height: 38px;
  padding: 0 13px;
  background: var(--gold);
  color: var(--pine-deep);
}

.nav-cta:hover,
.nav-cta:focus-visible,
.button-primary:hover,
.button-primary:focus-visible {
  background: #f1ce5b;
  border-color: #f1ce5b;
  box-shadow: 0 14px 30px rgba(16, 43, 32, 0.24);
  color: var(--pine-deep);
  transform: translateY(-2px);
}

.site-nav > a svg,
.button svg,
.text-link svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.2;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

.hero {
  position: relative;
  display: grid;
  min-height: 770px;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
  place-items: center;
}

.hero-media,
.hero-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  z-index: -1;
  background: rgba(9, 29, 21, 0.62);
}

.hero-content {
  padding: 148px 0 120px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
}

.eyebrow svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.3;
}

.eyebrow-green {
  color: var(--pine);
}

.hero h1 {
  max-width: 760px;
  margin-top: 20px;
  color: #fff;
  font-size: clamp(2.55rem, 4.85vw, 4.65rem);
  line-height: 0.98;
}

.hero h1 span {
  display: block;
  margin: 15px 0 0 4px;
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: clamp(1.18rem, 1.95vw, 1.95rem);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.hero-lead {
  max-width: 610px;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.91);
  font-size: 1.07rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 30px;
}

.button {
  min-height: 48px;
  padding: 0 19px;
}

.button-primary {
  background: var(--gold);
  box-shadow: 0 10px 24px rgba(16, 43, 32, 0.2);
  color: var(--pine-deep);
}

.button-quiet {
  border-color: rgba(255, 255, 255, 0.72);
  color: #fff;
}

.button-quiet:hover,
.button-quiet:focus-visible {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
  transform: translateY(-2px);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 58px;
}

.hero-facts div {
  min-width: 135px;
  padding: 0 25px;
  border-left: 1px solid rgba(255, 255, 255, 0.45);
}

.hero-facts div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-facts dt {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.hero-facts dd {
  margin-top: 2px;
  color: #fff;
  font-family: var(--serif);
  font-size: 1.14rem;
  font-weight: 700;
}

.hero-scroll {
  position: absolute;
  right: 34px;
  bottom: 30px;
  display: grid;
  justify-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
}

.hero-scroll svg {
  width: 17px;
  height: 17px;
}

.section {
  padding: 118px 0;
}

.section-warm {
  background: var(--oat);
}

.split-layout,
.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: 80px;
}

.section-copy h2,
.guide-copy h2,
.faq-heading h2 {
  margin-top: 14px;
  color: var(--pine-deep);
}

.section-copy > p:not(.eyebrow),
.guide-copy > p:not(.eyebrow) {
  margin-top: 22px;
}

.framed-image {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.8);
  background: var(--pine);
  box-shadow: var(--shadow);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.framed-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 420ms ease, filter 220ms ease;
}

.framed-image:hover,
.framed-image:focus-within {
  border-color: var(--gold);
  box-shadow: 0 24px 56px rgba(16, 43, 32, 0.18);
  transform: translateY(-4px);
}

.framed-image:hover img,
.framed-image:focus-within img {
  filter: saturate(1.08) contrast(1.04);
  transform: scale(1.035);
}

figcaption {
  padding: 12px 15px;
  background: var(--pine);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.76rem;
  line-height: 1.55;
}

.info-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 36px;
}

.info-row > div {
  display: grid;
  gap: 2px;
  min-height: 115px;
  padding: 17px 14px;
  border-top: 2px solid var(--gold);
  background: var(--paper);
  transition: background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.info-row > div:hover {
  background: #fffaf0;
  box-shadow: 0 14px 30px rgba(16, 43, 32, 0.1);
  transform: translateY(-3px);
}

.info-row svg {
  width: 19px;
  height: 19px;
  margin-bottom: 5px;
  color: var(--pine);
}

.info-row span {
  color: var(--muted);
  font-size: 0.73rem;
}

.info-row strong {
  color: var(--pine-deep);
  font-family: var(--serif);
  font-size: 0.95rem;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr minmax(270px, 0.52fr);
  align-items: end;
  gap: 70px;
  margin-bottom: 48px;
}

.section-heading h2 {
  margin-top: 14px;
  color: var(--pine-deep);
}

.section-heading > p {
  padding-bottom: 4px;
}

.section-heading-tight {
  margin-bottom: 38px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #c9c2b5;
  border-left: 1px solid #c9c2b5;
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  padding: 31px 29px;
  border-right: 1px solid #c9c2b5;
  border-bottom: 1px solid #c9c2b5;
  background: rgba(253, 251, 247, 0.56);
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.feature-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gold);
  content: "";
  transition: width 220ms ease;
}

.feature-card:hover {
  z-index: 1;
  border-color: rgba(212, 175, 55, 0.7);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 42px rgba(16, 43, 32, 0.12);
  transform: translateY(-5px);
}

.feature-card:hover::before {
  width: 100%;
}

.feature-card-wide,
.feature-card-deep {
  background: var(--pine);
}

.feature-card-wide:hover,
.feature-card-deep:hover {
  background: var(--pine-muted);
}

.feature-card .card-icon {
  display: grid;
  width: 40px;
  height: 40px;
  margin-bottom: 34px;
  border: 1px solid rgba(212, 175, 55, 0.72);
  color: var(--brass);
  place-items: center;
  transition: background-color 160ms ease, color 160ms ease, transform 180ms ease;
}

.feature-card:hover .card-icon {
  background: var(--gold);
  color: var(--pine-deep);
  transform: rotate(-4deg) scale(1.04);
}

.feature-card .card-icon svg {
  width: 20px;
  height: 20px;
}

.feature-card h3 {
  color: var(--pine-deep);
}

.feature-card p {
  margin-top: 10px;
  font-size: 0.91rem;
  line-height: 1.72;
}

.feature-card-wide h3,
.feature-card-deep h3 {
  color: #fff;
}

.feature-card-wide p,
.feature-card-deep p {
  color: rgba(255, 255, 255, 0.72);
}

.visual-story {
  background: var(--ivory);
}

.story-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(250px, 0.62fr);
  gap: 24px;
}

.story-image {
  overflow: hidden;
  background: var(--pine);
  box-shadow: var(--shadow);
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 220ms ease, transform 420ms ease;
}

.story-image:hover {
  box-shadow: 0 24px 56px rgba(16, 43, 32, 0.18);
  transform: translateY(-4px);
}

.story-image:hover img {
  filter: saturate(1.08) contrast(1.04);
  transform: scale(1.035);
}

.story-image-main {
  grid-row: span 2;
  min-height: 525px;
}

.story-image-main img {
  aspect-ratio: 4 / 3;
}

.story-image-side {
  min-height: 220px;
}

.story-image-side img {
  aspect-ratio: 16 / 8;
}

.route-notes {
  display: grid;
  gap: 1px;
  background: #d8d1c4;
  align-content: start;
}

.route-notes article {
  padding: 25px 24px;
  background: var(--oat);
  transition: background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.route-notes article:hover {
  background: var(--ivory);
  box-shadow: inset 3px 0 0 var(--gold);
  transform: translateX(4px);
}

.route-notes span {
  color: var(--brass);
  font-family: Georgia, serif;
  font-size: 1.1rem;
}

.route-notes h3 {
  margin-top: 2px;
  color: var(--pine-deep);
  font-size: 1.13rem;
}

.route-notes p {
  margin-top: 7px;
  font-size: 0.86rem;
  line-height: 1.68;
}

.guide-section {
  border-top: 1px solid var(--line);
}

.guide-image {
  order: 2;
}

.guide-copy {
  order: 1;
}

.guide-list {
  display: grid;
  gap: 15px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.guide-list li {
  display: grid;
  grid-template-columns: 37px 1fr;
  gap: 13px;
  transition: transform 160ms ease;
}

.guide-list li:hover {
  transform: translateX(5px);
}

.guide-list li > span {
  display: grid;
  width: 31px;
  height: 31px;
  border: 1px solid rgba(27, 67, 50, 0.32);
  color: var(--pine);
  font-family: Georgia, serif;
  font-size: 0.81rem;
  place-items: center;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.guide-list li:hover > span {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--pine-deep);
}

.guide-list strong {
  display: block;
  color: var(--pine-deep);
  font-size: 0.97rem;
}

.guide-list p {
  margin-top: 3px;
  font-size: 0.88rem;
  line-height: 1.65;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 50px;
  margin-top: 8px;
  border-top: 1px solid #c9c2b5;
}

.feature-list article {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 24px 0;
  border-bottom: 1px solid #c9c2b5;
  transition: transform 160ms ease;
}

.feature-list article:hover {
  transform: translateX(6px);
}

.feature-list article > svg {
  width: 23px;
  height: 23px;
  margin-top: 5px;
  color: var(--brass);
  transition: color 160ms ease, transform 180ms ease;
}

.feature-list article:hover > svg {
  color: var(--gold);
  transform: scale(1.12);
}

.feature-list h3 {
  color: var(--pine-deep);
  font-size: 1.15rem;
}

.feature-list p {
  margin-top: 6px;
  font-size: 0.88rem;
  line-height: 1.7;
}

.wide-figure {
  position: relative;
  margin-top: 54px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.wide-figure img {
  width: 100%;
  aspect-ratio: 16 / 6.2;
  object-fit: cover;
  object-position: center 40%;
  transition: filter 220ms ease, transform 420ms ease;
}

.wide-figure:hover {
  box-shadow: 0 24px 56px rgba(16, 43, 32, 0.18);
  transform: translateY(-4px);
}

.wide-figure:hover img {
  filter: saturate(1.08) contrast(1.04);
  transform: scale(1.025);
}

.updates-section {
  background: var(--pine-deep);
}

.updates-section .eyebrow {
  color: var(--gold);
}

.updates-section h2 {
  color: #fff;
}

.updates-section .section-heading > p {
  color: rgba(255, 255, 255, 0.7);
}

.timeline {
  border-top: 1px solid rgba(255, 255, 255, 0.21);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 152px 1fr;
  gap: 34px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.21);
  transition: background-color 160ms ease, transform 160ms ease;
}

.timeline-item::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -18px;
  width: 3px;
  background: var(--gold);
  content: "";
  opacity: 0;
  transition: opacity 160ms ease;
}

.timeline-item:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateX(6px);
}

.timeline-item:hover::before {
  opacity: 1;
}

.timeline-item time {
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 1rem;
}

.version-tag {
  display: inline-flex;
  min-height: 23px;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid rgba(212, 175, 55, 0.65);
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.timeline-item h3 {
  margin-top: 7px;
  color: #fff;
  font-size: 1.28rem;
}

.timeline-item p {
  max-width: 800px;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.91rem;
}

.faq-section {
  background: var(--oat);
}

.faq-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.faq-layout {
  max-width: 920px;
  margin: 0 auto;
}

.faq-content {
  min-width: 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 26px;
  border-bottom: 1px solid currentColor;
  color: var(--pine);
  font-size: 0.91rem;
  font-weight: 700;
  line-height: 1.8;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--brass);
}

.faq-list {
  border-top: 1px solid #c9c2b5;
}

.faq-list details {
  border-bottom: 1px solid #c9c2b5;
  transition: background-color 160ms ease;
}

.faq-list details:hover {
  background: rgba(255, 255, 255, 0.36);
}

.faq-list summary {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--pine-deep);
  cursor: pointer;
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  list-style: none;
  transition: color 160ms ease, padding-left 160ms ease;
}

.faq-list details:hover summary,
.faq-list summary:focus-visible {
  color: var(--brass);
  padding-left: 10px;
}

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

.faq-list summary svg {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  color: var(--brass);
  transition: transform 180ms ease;
}

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

.faq-list details p {
  max-width: 760px;
  padding: 0 38px 22px 0;
  font-size: 0.91rem;
}

.friend-links {
  padding: 45px 0 50px;
  background: linear-gradient(100deg, var(--pine-deep), var(--pine) 54%, var(--pine-muted));
  color: #fff;
}

.friend-links-inner {
  display: grid;
  justify-items: center;
  gap: 18px;
  text-align: center;
}

.friend-links h2 {
  color: #fff;
  font-size: clamp(1.55rem, 2.3vw, 2.25rem);
}

.friend-link-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 4px;
}

.friend-link-list a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid rgba(212, 175, 55, 0.55);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.94);
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.friend-link-list a:hover,
.friend-link-list a:focus-visible {
  border-color: var(--gold);
  background: rgba(212, 175, 55, 0.13);
  color: var(--gold);
  transform: translateY(-2px);
}

.site-footer {
  padding: 30px 0 86px;
  background: #0b2118;
  color: #fff;
}

.footer-inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
}

.footer-inner strong {
  font-family: var(--serif);
  font-size: 1.1rem;
}

.footer-inner strong span {
  margin-left: 3px;
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 0.82rem;
  font-weight: 400;
}

.footer-inner p {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.75rem;
}

.footer-inner > p {
  text-align: right;
}

.floating-detail {
  position: fixed;
  z-index: 40;
  right: 24px;
  bottom: 24px;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid rgba(212, 175, 55, 0.9);
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 14px 32px rgba(16, 43, 32, 0.28);
  color: var(--pine-deep);
  font-size: 0.94rem;
  font-weight: 800;
  line-height: 1;
  transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.floating-detail:hover,
.floating-detail:focus-visible {
  border-color: #f1ce5b;
  background: #f1ce5b;
  box-shadow: 0 18px 38px rgba(16, 43, 32, 0.34);
  transform: translateY(-3px);
}

.floating-detail svg {
  width: 17px;
  height: 17px;
  stroke-width: 2.3;
}

:focus-visible {
  outline: 3px solid #edc94f;
  outline-offset: 3px;
}

@media (max-width: 980px) {
  .site-nav {
    gap: 13px;
    font-size: 0.82rem;
  }

  .site-nav .nav-cta {
    padding: 0 10px;
  }

  .split-layout,
  .guide-layout {
    gap: 46px;
  }

  .section-heading {
    gap: 38px;
  }

  .faq-layout {
    gap: 48px;
  }
}

@media (max-width: 800px) {
  html {
    scroll-padding-top: 70px;
  }

  .shell {
    width: min(100% - 34px, 620px);
  }

  .site-header {
    position: absolute;
  }

  .site-header.is-scrolled {
    position: fixed;
  }

  .header-inner {
    min-height: 68px;
  }

  .brand {
    min-width: auto;
  }

  .brand img {
    width: 55px;
    height: 34px;
  }

  .brand-copy strong {
    font-size: 1.12rem;
  }

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

  .site-nav {
    position: absolute;
    top: 68px;
    right: 0;
    left: 0;
    display: none;
    padding: 12px 17px 17px;
    border-bottom: 1px solid var(--line);
    background: var(--ivory);
    color: var(--pine-deep);
    box-shadow: 0 12px 20px rgba(22, 48, 37, 0.12);
  }

  .site-nav.is-open {
    display: grid;
    gap: 0;
  }

  .site-nav > a:not(.nav-cta) {
    padding: 11px 4px;
    border-bottom: 1px solid #e0ddd4;
  }

  .site-nav > a svg {
    width: 17px;
    height: 17px;
  }

  .nav-cta {
    margin-top: 13px;
  }

  .hero {
    min-height: 680px;
  }

  .hero-content {
    padding: 126px 0 88px;
  }

  .hero h1 {
    font-size: clamp(2.25rem, 10.4vw, 3.35rem);
  }

  .hero h1 span {
    margin-top: 11px;
    margin-left: 2px;
    font-size: 1.1rem;
  }

  .hero-lead {
    margin-top: 22px;
    font-size: 0.97rem;
    line-height: 1.82;
  }

  .hero-facts {
    margin-top: 40px;
  }

  .hero-facts div {
    min-width: 106px;
    padding: 0 13px;
  }

  .hero-scroll {
    display: none;
  }

  .section {
    padding: 80px 0;
  }

  .split-layout,
  .guide-layout,
  .section-heading,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .split-layout,
  .guide-layout {
    gap: 34px;
  }

  .section-heading {
    gap: 17px;
    margin-bottom: 34px;
  }

  .image-intro {
    max-width: 620px;
  }

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

  .feature-card {
    min-height: 223px;
    padding: 25px 21px;
  }

  .feature-card .card-icon {
    margin-bottom: 25px;
  }

  .story-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .story-image-main {
    min-height: auto;
  }

  .story-image-main img {
    aspect-ratio: 16 / 10;
  }

  .route-notes {
    order: 3;
  }

  .story-image-side {
    order: 2;
    min-height: auto;
  }

  .story-image-side img {
    aspect-ratio: 16 / 9;
  }

  .guide-image,
  .guide-copy {
    order: initial;
  }

  .feature-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .wide-figure img {
    aspect-ratio: 16 / 10;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 7px;
    padding: 24px 0;
  }

  .timeline-item h3 {
    font-size: 1.18rem;
  }

  .faq-layout {
    gap: 30px;
  }

  .faq-list summary {
    min-height: 62px;
    font-size: 1rem;
  }

  .faq-list details p {
    padding-right: 0;
  }

  .friend-links {
    padding: 38px 0 42px;
  }

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

  .friend-link-list a {
    min-width: calc(50% - 5px);
    padding: 0 14px;
  }

  .footer-inner {
    display: grid;
    align-items: start;
  }

  .footer-inner > p {
    text-align: left;
  }

  .floating-detail {
    right: 17px;
    bottom: 17px;
    min-height: 46px;
    padding: 0 16px;
  }
}

@media (max-width: 480px) {
  .shell {
    width: min(100% - 28px, 480px);
  }

  h2 {
    font-size: 1.52rem;
  }

  .hero {
    min-height: 655px;
  }

  .hero-media {
    object-position: 57% center;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .hero-facts {
    gap: 15px 0;
  }

  .hero-facts div {
    width: 50%;
    min-width: 0;
  }

  .hero-facts div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

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

  .info-row > div {
    min-height: auto;
  }

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

  .feature-card {
    min-height: auto;
  }

  .feature-card .card-icon {
    margin-bottom: 18px;
  }

  .route-notes article {
    padding: 22px 19px;
  }

  .guide-list li {
    grid-template-columns: 32px 1fr;
  }

  .feature-list article {
    grid-template-columns: 33px 1fr;
  }

  .feature-list article > svg {
    width: 20px;
    height: 20px;
  }

  .friend-link-list {
    display: grid;
    grid-template-columns: 1fr;
  }

  .friend-link-list a {
    width: 100%;
    min-width: 0;
  }

  .floating-detail {
    right: 14px;
    left: 14px;
    bottom: 14px;
    width: auto;
  }

  .faq-list summary {
    gap: 12px;
    font-size: 0.97rem;
    line-height: 1.5;
  }
}

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