:root {
  --ink: #1c211d;
  --muted: #60665f;
  --paper: #f6f0e6;
  --paper-deep: #eee4d4;
  --white: #fffaf2;
  --jade: #1c6662;
  --jade-dark: #124844;
  --rust: #c9663d;
  --rust-dark: #99452c;
  --line: rgba(28, 33, 29, 0.18);
  --shadow: 0 28px 72px rgba(32, 39, 34, 0.15);
  --radius: 1.4rem;
  --display: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }

.skip-link {
  position: fixed;
  top: .6rem;
  left: .6rem;
  z-index: 100;
  padding: .7rem 1rem;
  color: white;
  background: var(--jade-dark);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  height: 92px;
  border-bottom: 1px solid rgba(255,255,255,.24);
  color: white;
}
.site-header.dark {
  position: relative;
  color: var(--ink);
  border-color: var(--line);
}
.nav-shell {
  width: min(1320px, calc(100% - 48px));
  height: 100%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .78rem;
  font-weight: 760;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.brand img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--paper);
  box-shadow: 0 0 0 1px rgba(255,255,255,.35);
}
.brand span { font-size: .94rem; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.nav-links a:not(.nav-cta) { position: relative; }
.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -.4rem;
  height: 1px;
  background: currentColor;
  transition: right .2s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { right: 0; }
.nav-cta {
  padding: .76rem 1.1rem;
  border: 1px solid currentColor;
  border-radius: 999px;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: transparent;
}

.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.container.wide { width: min(1320px, calc(100% - 48px)); }
.section { padding: clamp(5rem, 9vw, 9rem) 0; }
.section-sm { padding: clamp(3.5rem, 6vw, 6rem) 0; }
.eyebrow {
  margin: 0 0 1rem;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow.rust { color: var(--rust-dark); }
.display {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .95;
}
.display em { font-weight: 400; }
.display-xl { font-size: clamp(4rem, 9vw, 8.7rem); }
.display-lg { font-size: clamp(3.1rem, 6vw, 6.3rem); }
.display-md { font-size: clamp(2.6rem, 4.6vw, 4.6rem); }
.lede {
  max-width: 48rem;
  margin: 1.5rem 0 0;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.55;
}
.copy-lg { font-size: clamp(1.18rem, 1.65vw, 1.48rem); line-height: 1.6; }
.muted { color: var(--muted); }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: .9rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: .8rem 1.35rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button.jade { border-color: var(--jade); background: var(--jade); }
.button.rust { border-color: var(--rust); background: var(--rust); }
.button.ghost { background: transparent; color: currentColor; border-color: currentColor; }
.text-link { font-weight: 750; border-bottom: 1px solid currentColor; }

.home-hero {
  position: relative;
  min-height: 860px;
  color: white;
  background: #1b2927;
  overflow: hidden;
}
.home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13,25,23,.94) 0%, rgba(13,25,23,.72) 47%, rgba(13,25,23,.12) 78%);
}
.home-hero-media { position: absolute; inset: 0 0 0 42%; }
.home-hero-media img { height: 100%; object-fit: cover; object-position: 56% center; filter: saturate(.88); }
.home-hero-copy {
  position: relative;
  z-index: 2;
  width: min(1320px, calc(100% - 48px));
  margin: auto;
  padding: 190px 0 96px;
}
.home-hero-copy .display { max-width: 13.5ch; font-size: clamp(3.75rem, 7.4vw, 7.6rem); }
.home-hero-copy .lede { max-width: 35rem; color: rgba(255,255,255,.83); }
.hero-note {
  position: absolute;
  z-index: 3;
  right: 2.5rem;
  bottom: 2rem;
  display: flex;
  gap: .8rem;
  align-items: center;
  font-size: .7rem;
  font-weight: 750;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.hero-note::before { content: ""; width: 44px; height: 1px; background: currentColor; }

.promise-strip { background: var(--rust); color: white; }
.promise-grid {
  min-height: 112px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
}
.promise-grid div { padding: 1.5rem 2rem; border-right: 1px solid rgba(255,255,255,.28); }
.promise-grid div:last-child { border-right: 0; }
.promise-grid strong { display: block; font-family: var(--display); font-size: 1.5rem; font-weight: 400; }
.promise-grid span { font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; }

.manifesto { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(3rem, 8vw, 9rem); align-items: start; }
.manifesto aside { position: sticky; top: 2rem; }
.manifesto .display { max-width: 12ch; }
.manifesto-copy p:first-child { margin-top: 0; }
.manifesto-copy .rule { margin: 3rem 0; border-top: 1px solid var(--line); }
.manifesto-points { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.manifesto-points h3 { margin: 0 0 .5rem; font-family: var(--display); font-size: 1.6rem; font-weight: 400; }
.manifesto-points p { margin: 0; color: var(--muted); }

.journey-feature {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  background: var(--jade-dark);
  color: white;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.journey-feature-media { min-height: 650px; }
.journey-feature-media img { height: 100%; object-fit: cover; }
.journey-feature-copy { padding: clamp(3rem, 6vw, 6rem); display: flex; flex-direction: column; justify-content: center; }
.journey-feature-copy .display { max-width: 8ch; }
.journey-feature-copy p:not(.eyebrow) { color: rgba(255,255,255,.76); }
.pill-row { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.6rem 0 0; }
.pill { padding: .48rem .72rem; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; font-size: .72rem; }

.steps { counter-reset: step; border-top: 1px solid var(--line); }
.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 90px .8fr 1.2fr;
  gap: 2rem;
  padding: 2.3rem 0;
  border-bottom: 1px solid var(--line);
}
.step::before { content: "0" counter(step); color: var(--rust-dark); font-weight: 800; letter-spacing: .1em; }
.step h3 { margin: 0; font-family: var(--display); font-size: 2rem; font-weight: 400; }
.step p { margin: 0; color: var(--muted); }

.support-band { background: var(--paper-deep); }
.support-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.support-options { border-top: 1px solid var(--line); }
.support-options div { padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.support-options strong { display: block; font-family: var(--display); font-size: 1.5rem; font-weight: 400; }
.support-options span { color: var(--muted); }

.photo-ribbon { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1rem; padding: 1rem; background: var(--ink); }
.photo-ribbon figure { margin: 0; min-height: 480px; overflow: hidden; }
.photo-ribbon img { height: 100%; object-fit: cover; }

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 9vw, 8rem);
  color: white;
  background: var(--rust);
  border-radius: var(--radius);
}
.cta-panel::after {
  content: "马";
  position: absolute;
  right: -1rem;
  bottom: -7rem;
  font-family: var(--display);
  font-size: clamp(12rem, 28vw, 28rem);
  line-height: 1;
  color: rgba(255,255,255,.1);
}
.cta-panel > * { position: relative; z-index: 1; }
.cta-panel .display { max-width: 11ch; }

.page-hero {
  position: relative;
  min-height: 690px;
  display: flex;
  align-items: end;
  color: white;
  overflow: hidden;
  background: var(--jade-dark);
}
.page-hero-media { position: absolute; inset: 0; }
.page-hero-media img { height: 100%; object-fit: cover; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10,20,19,.85), rgba(10,20,19,.1) 75%); }
.page-hero-copy { position: relative; z-index: 2; width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 180px 0 74px; }
.page-hero-copy .display { max-width: 11ch; }
.page-hero-copy .lede { color: rgba(255,255,255,.82); max-width: 45rem; }

.intro-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(3rem, 8vw, 8rem); }
.intro-grid .copy-lg { margin-top: 0; }
.trip-styles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.trip-style { padding: 2.1rem; background: var(--white); border: 1px solid var(--line); border-radius: 1rem; }
.trip-style span { color: var(--rust-dark); font-size: .72rem; font-weight: 800; letter-spacing: .12em; }
.trip-style h3 { margin: 1.5rem 0 .8rem; font-family: var(--display); font-size: 2rem; font-weight: 400; }
.trip-style p { margin: 0; color: var(--muted); }

.experience-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; }
.experience-card { position: relative; min-height: 530px; overflow: hidden; border-radius: 1rem; background: var(--ink); color: white; }
.experience-card.small { min-height: 255px; }
.experience-stack { display: grid; grid-template-rows: 1fr 1fr; gap: 1rem; }
.experience-card img { position: absolute; inset: 0; height: 100%; object-fit: cover; opacity: .72; }
.experience-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(7,15,14,.85), transparent 65%); }
.experience-card div { position: absolute; z-index: 2; left: 2rem; right: 2rem; bottom: 1.7rem; }
.experience-card h3 { margin: 0; font-family: var(--display); font-size: 2rem; font-weight: 400; }
.experience-card p { margin: .35rem 0 0; color: rgba(255,255,255,.8); }

.rhythm { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 3rem; border-top: 1px solid var(--line); }
.rhythm article { padding: 2rem 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 60px 1fr; gap: 1rem; }
.rhythm strong { color: var(--rust-dark); font-size: .72rem; letter-spacing: .1em; }
.rhythm h3 { margin: 0 0 .5rem; font-family: var(--display); font-size: 1.65rem; font-weight: 400; }
.rhythm p { margin: 0; color: var(--muted); }

.route-panel { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border-radius: var(--radius); background: var(--jade-dark); color: white; }
.route-panel img { height: 100%; min-height: 530px; object-fit: cover; }
.route-copy { padding: clamp(3rem, 6vw, 6rem); }
.route-steps { margin-top: 2rem; border-top: 1px solid rgba(255,255,255,.25); }
.route-steps p { margin: 0; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.25); color: rgba(255,255,255,.78); }

.plain-hero { padding: clamp(5rem, 10vw, 9rem) 0; background: var(--paper-deep); }
.plain-hero .display { max-width: 12ch; }
.about-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.about-values article { padding: 2rem; border-top: 3px solid var(--rust); background: var(--white); }
.about-values h3 { margin: 0 0 .7rem; font-family: var(--display); font-size: 1.8rem; font-weight: 400; }
.about-values p { margin: 0; color: var(--muted); }

.contact-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.contact-details { position: sticky; top: 2rem; }
.contact-details a { display: block; margin-top: .6rem; font-weight: 700; }
.inquiry-form { padding: clamp(2rem, 5vw, 4rem); background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: .45rem; font-size: .76rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: .8rem 0;
  color: var(--ink);
  background: transparent;
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--jade); box-shadow: 0 1px 0 var(--jade); }
.field textarea { min-height: 110px; resize: vertical; }
.form-note { margin: 1rem 0 0; color: var(--muted); font-size: .86rem; }
.form-result { display: none; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.form-result.show { display: block; }
.form-result h3 { margin: 0; font-family: var(--display); font-size: 2rem; font-weight: 400; }
.form-result .button-row { margin-top: 1rem; }
.status-message { min-height: 1.5rem; color: var(--rust-dark); font-weight: 700; }

.legal { max-width: 800px; }
.legal h2 { margin: 3rem 0 .8rem; font-family: var(--display); font-size: 2rem; font-weight: 400; }
.legal p, .legal li { color: var(--muted); }

.site-footer { padding: 4rem 0 2rem; color: white; background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 3rem; }
.footer-brand .brand { margin-bottom: 1.2rem; }
.footer-brand p { max-width: 30rem; color: rgba(255,255,255,.62); }
.footer-col strong { display: block; margin-bottom: 1rem; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-col a { display: block; margin: .5rem 0; color: rgba(255,255,255,.75); }
.footer-bottom { display: flex; justify-content: space-between; gap: 2rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.5); font-size: .78rem; }

[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s ease; }
[data-reveal].revealed { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .site-header { height: 76px; }
  .nav-shell { width: min(100% - 32px, 1320px); }
  .menu-toggle { display: inline-grid; place-items: center; }
  .nav-links {
    position: fixed;
    inset: 76px 0 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 3rem 2rem;
    font-size: 1rem;
    color: var(--ink);
    background: var(--paper);
  }
  .nav-links.open { display: flex; }
  .nav-cta { color: white; background: var(--ink); }
  .container, .container.wide, .page-hero-copy, .home-hero-copy { width: min(100% - 32px, 1180px); }
  .home-hero { min-height: 760px; }
  .home-hero-media { inset: 0; }
  .home-hero::after { background: linear-gradient(0deg, rgba(13,25,23,.96) 0%, rgba(13,25,23,.62) 70%, rgba(13,25,23,.2)); }
  .home-hero-copy { padding-top: 155px; }
  .home-hero-copy .display { font-size: clamp(3.45rem, 12.5vw, 6.2rem); }
  .hero-note { right: 1rem; }
  .promise-grid { grid-template-columns: 1fr; padding: 1rem 0; }
  .promise-grid div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.28); }
  .promise-grid div:last-child { border-bottom: 0; }
  .manifesto, .intro-grid, .support-layout, .contact-layout { grid-template-columns: 1fr; }
  .manifesto aside, .contact-details { position: static; }
  .journey-feature, .route-panel { grid-template-columns: 1fr; }
  .journey-feature-media { min-height: 420px; }
  .step { grid-template-columns: 54px 1fr; }
  .step p { grid-column: 2; }
  .photo-ribbon { grid-template-columns: 1fr; }
  .photo-ribbon figure { min-height: 340px; }
  .trip-styles, .about-values { grid-template-columns: 1fr; }
  .experience-grid { grid-template-columns: 1fr; }
  .experience-card { min-height: 430px; }
  .rhythm { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .display-xl { font-size: clamp(3.6rem, 18vw, 5.3rem); }
  .home-hero-copy .display { font-size: clamp(3.25rem, 14.5vw, 4.9rem); }
  .display-lg { font-size: clamp(3rem, 14vw, 4.3rem); }
  .section { padding: 4.8rem 0; }
  .manifesto-points, .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .journey-feature-media { min-height: 360px; }
  .experience-stack { grid-template-rows: auto; }
  .experience-card.small { min-height: 330px; }
  .route-panel img { min-height: 360px; }
  .cta-panel { padding: 3rem 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}