:root {
  --ink: #26342c;
  --muted: #59645c;
  --line: #c7c1b4;
  --ground: #ded8cc;
  --paper: #f7f5ef;
  --paper-soft: #eeebe2;
  --sage: #dce4da;
  --green: #244b3b;
  --green-deep: #17382c;
  --coral: #9b4f3b;
  --gold: #b38a49;
  --serif: "Songti SC", STSong, "Noto Serif SC", Georgia, serif;
  --sans: "Avenir Next", Avenir, "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --content: 1180px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--ground);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: 30;
  inset: 0 0 auto;
  height: 4px;
  background: var(--green);
  content: "";
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 16px;
  padding: 10px 14px;
  color: white;
  background: var(--green);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 78px;
  padding: 0 clamp(20px, 4vw, 64px);
  border-bottom: 1px solid rgb(36 75 59 / 14%);
  background: rgb(247 245 239 / 92%);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 11px;
  min-height: 48px;
  text-decoration: none;
}
.brand > img { width: 46px; height: 46px; object-fit: cover; }
.brand-copy, .hero-brand span, .final-brand span { display: grid; line-height: 1; }
.brand-copy strong, .hero-brand strong, .final-brand strong { font-family: var(--serif); letter-spacing: .12em; }
.brand-copy strong { font-size: 17px; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 8px; letter-spacing: .07em; }

.site-nav { display: flex; gap: clamp(22px, 3vw, 48px); }
.site-nav a, .site-footer a {
  position: relative;
  min-height: 44px;
  padding: 12px 0 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  letter-spacing: .06em;
}
.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 1px;
  background: var(--green);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .28s var(--ease);
}
.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.language-switch { display: flex; align-items: center; justify-self: end; color: var(--line); }
.language-switch button {
  min-width: 44px;
  min-height: 44px;
  border: 0;
  color: var(--muted);
  background: transparent;
  font: 700 12px/1 var(--sans);
  cursor: pointer;
}
.language-switch button[aria-pressed="true"] { color: var(--green); text-decoration: underline; text-underline-offset: 5px; }

.section-shell { width: min(var(--content), calc(100% - 40px)); margin-inline: auto; }
.nowrap { white-space: nowrap; }

h1, h2, h3 {
  margin-top: 0;
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -.035em;
  text-wrap: balance;
}
p { text-wrap: pretty; }

.hero { padding: clamp(42px, 6vw, 82px) 0 48px; }
.journal-spread {
  position: relative;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  min-height: 720px;
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 8px 0 rgb(36 75 59 / 8%);
}
.journal-spread::before {
  position: absolute;
  z-index: 5;
  top: 0;
  bottom: 0;
  left: 52%;
  width: 26px;
  background: linear-gradient(90deg, transparent, rgb(38 52 44 / 9%), rgb(255 255 255 / 55%), transparent);
  content: "";
  pointer-events: none;
  transform: translateX(-50%);
}
.journal-page { position: relative; min-width: 0; overflow: hidden; }
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(65px, 7vw, 96px) clamp(42px, 6vw, 78px);
  background: var(--paper);
}
.page-number { position: absolute; top: 28px; left: 34px; color: var(--muted); font: 650 10px/1 var(--sans); letter-spacing: .16em; }
.hero-brand { display: flex; align-items: center; gap: 18px; margin-bottom: 32px; }
.hero-brand > img { width: 96px; height: 96px; object-fit: cover; box-shadow: 5px 5px 0 rgb(36 75 59 / 13%); }
.hero-brand strong { font-size: 26px; }
.hero-brand small { margin-top: 8px; color: var(--coral); font-size: 10px; font-weight: 700; letter-spacing: .13em; }
h1 {
  max-width: 580px;
  margin-bottom: 20px;
  color: var(--ink);
  font-size: clamp(2.5rem, 3.4vw, 3rem);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -.035em;
}
h1 span {
  display: block;
  max-width: 18ch;
  margin-top: .55em;
  color: var(--coral);
  font-size: clamp(1.75rem, 2.25vw, 2.125rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -.02em;
}
.hero-tagline { margin: 0 0 18px; color: var(--coral); font-family: var(--serif); font-size: clamp(17px, 1.7vw, 22px); font-weight: 600; }
.hero-lede { max-width: 530px; margin: 0; color: var(--muted); font-size: clamp(15px, 1.25vw, 17px); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 22px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid var(--green);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: .03em;
}
.button--primary { color: var(--paper); background: var(--green); transition: background .22s ease, transform .22s var(--ease); }
.button--primary:hover { background: var(--green-deep); transform: translateY(-2px); }
.button--disabled { border-color: var(--line); color: var(--muted); background: transparent; cursor: not-allowed; }
.text-link { color: var(--green); font-size: 13px; font-weight: 700; text-underline-offset: 5px; }
.field-facts { display: flex; gap: 38px; margin: 34px 0 0; padding-top: 16px; border-top: 1px solid var(--line); }
.field-facts div { display: grid; gap: 3px; }
.field-facts dt { color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .1em; }
.field-facts dd { margin: 0; font-family: var(--serif); font-size: 15px; }

.hero-visual { padding: clamp(34px, 4.5vw, 58px); background: #d4d8ca; }
.hero-photo { position: relative; height: 100%; margin: 0; padding: 10px 10px 74px; background: var(--paper); transform: rotate(.45deg); }
.hero-photo img { width: 100%; height: 100%; min-height: 470px; object-fit: cover; filter: saturate(.82) contrast(.96); }
.hero-photo figcaption { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding: 17px 6px 0; }
.hero-photo figcaption span { color: var(--muted); font-size: 9px; letter-spacing: .11em; }
.hero-photo figcaption strong { max-width: 200px; font-family: var(--serif); font-size: 15px; font-style: italic; font-weight: 500; text-align: right; }
.postmark {
  position: absolute;
  z-index: 4;
  top: 22px;
  right: 20px;
  display: grid;
  place-content: center;
  width: 84px;
  height: 84px;
  border: 2px solid rgb(155 79 59 / 62%);
  border-radius: 50%;
  color: rgb(155 79 59 / 75%);
  text-align: center;
  transform: rotate(9deg);
}
.postmark span { font: 700 12px/1 var(--sans); letter-spacing: .14em; }
.postmark small { margin-top: 5px; font-size: 9px; }
.hand-note { position: absolute; z-index: 4; right: 24px; bottom: 22px; color: var(--green); font-family: var(--serif); font-size: 16px; font-style: italic; line-height: 1.35; transform: rotate(-2deg); }
.trip-count { position: absolute; z-index: 4; bottom: 25px; left: 25px; display: flex; align-items: center; gap: 9px; max-width: 180px; }
.trip-count strong { font-family: var(--serif); font-size: 40px; line-height: 1; }
.trip-count span { color: var(--muted); font-size: 10px; line-height: 1.2; letter-spacing: .04em; }
.scroll-cue { display: flex; justify-content: center; align-items: center; gap: 10px; margin: 25px 0 0; color: var(--muted); font-size: 10px; letter-spacing: .12em; }
.scroll-cue > span:first-child { display: block; width: 28px; height: 1px; background: var(--muted); }

.ruled-section { border-block: 1px solid rgb(38 52 44 / 11%); }
.journey { padding: clamp(92px, 10vw, 144px) 0; background: #f3f3ef; }
.keepsakes { padding: clamp(92px, 10vw, 144px) 0; background: var(--paper-soft); }
.section-heading { display: grid; grid-template-columns: minmax(270px, .82fr) 1fr; column-gap: 7vw; align-items: start; max-width: 1010px; margin-bottom: 68px; }
.chapter-note, .atlas-coordinate, .keepsake-script, .local-kicker, .install-kicker, .final-kicker { color: var(--coral); font-family: var(--serif); font-style: italic; }
.chapter-note { grid-column: 1 / -1; margin: 0 0 18px; }
.section-heading h2 { margin-bottom: 0; font-size: clamp(38px, 4.6vw, 63px); line-height: 1.1; }
.section-heading > p:last-child { max-width: 500px; margin: 10px 0 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.section-heading--center { display: block; margin: 0 auto 72px; text-align: center; }
.atlas-coordinate { margin: 0 0 19px; }
.keepsake-script { grid-column: 1 / -1; margin: 0 0 18px; font-size: 18px; transform: rotate(-1deg); }

.journey-line { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin: 0 0 78px; padding: 0; list-style: none; }
.journey-line::before { position: absolute; top: 27px; right: 0; left: 0; height: 1px; background: var(--line); content: ""; }
.journey-line li { position: relative; padding-right: 34px; }
.step-number { position: relative; z-index: 1; display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 24px; border: 1px solid var(--line); border-radius: 50%; color: var(--green); background: #f3f3ef; font-family: var(--serif); font-size: 14px; }
.journey-line h3 { margin-bottom: 10px; font-size: 21px; line-height: 1.25; }
.journey-line p { margin: 0; color: var(--muted); font-size: 14px; }

.product-window { width: min(1100px, 100%); margin: 0 auto; }
.product-window > a { display: block; color: inherit; background: #f5f3ec; text-decoration: none; }
.window-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 44px; padding: 0 15px; border: 1px solid var(--green); border-bottom: 0; color: var(--green); font-size: 12px; }
.window-brand { display: inline-flex; align-items: center; gap: 7px; justify-self: start; font-family: var(--serif); font-weight: 700; }
.window-brand img { width: 21px; height: 21px; object-fit: cover; }
.window-inspect { justify-self: end; color: var(--muted); font-size: 11px; text-decoration: underline; text-underline-offset: 4px; transition: color .2s ease; }
.product-window > a:hover .window-inspect { color: var(--coral); }
.window-media { display: block; aspect-ratio: 127 / 76; overflow: hidden; border: 1px solid var(--green); background: #e8e5dc; }
.window-media img { width: 100%; height: 100%; aspect-ratio: 127 / 76; object-fit: contain; }
.product-window figcaption { max-width: 680px; margin: 18px auto 0; color: var(--muted); font-family: var(--serif); font-size: 14px; font-style: italic; text-align: center; }

.atlas { padding: clamp(92px, 10vw, 144px) 0; }
.atlas-spread { display: grid; grid-template-columns: 1fr 1fr; border-block: 1px solid rgb(36 75 59 / 22%); }
.atlas-page { padding: clamp(28px, 4vw, 50px); background: var(--sage); }
.atlas-page + .atlas-page { border-left: 1px solid rgb(36 75 59 / 22%); }
.atlas-image { aspect-ratio: 16 / 9; overflow: hidden; margin-bottom: 30px; background: #cfd7cb; }
.atlas-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s var(--ease); }
.atlas-page:hover .atlas-image img { transform: scale(1.018); }
.atlas-index { margin: 0 0 8px; color: var(--coral); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.atlas-page h3 { margin-bottom: 12px; font-size: clamp(27px, 3vw, 37px); }
.atlas-page > p:not(.atlas-index, .pencil-line) { max-width: 440px; margin: 0; color: #46564b; }
.pencil-line { margin: 26px 0 0; padding-top: 15px; border-top: 1px solid rgb(36 75 59 / 22%); color: var(--green); font-family: var(--serif); font-size: 13px; font-style: italic; }
.map-strip { position: relative; height: 260px; margin-top: 58px; overflow: hidden; border-block: 1px solid rgb(36 75 59 / 22%); }
.map-strip::after { position: absolute; inset: 0; background: linear-gradient(90deg, var(--ground), transparent 22%, transparent 78%, var(--ground)); content: ""; pointer-events: none; }
.map-strip img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.68); opacity: .72; }
.map-strip p { position: absolute; z-index: 1; inset: 50% auto auto 50%; margin: 0; padding: 10px 18px; color: var(--green); background: rgb(247 245 239 / 92%); font-family: var(--serif); font-size: 17px; font-style: italic; transform: translate(-50%, -50%); }

.keepsakes .section-heading { margin-left: 6%; }
.keepsake-showcase { position: relative; }
.keepsake-showcase .product-window { margin-left: 0; }
.traveler-note { position: relative; z-index: 2; width: min(430px, 44%); margin: -82px 2% 50px auto; padding: 34px 36px; background: #e9dcbf; transform: rotate(-1.2deg); }
.traveler-note::before { position: absolute; top: 14px; left: -38px; width: 58px; height: 1px; background: var(--coral); content: ""; }
.traveler-note p { margin: 0 0 17px; font-family: var(--serif); font-size: clamp(20px, 2vw, 27px); font-style: italic; line-height: 1.48; }
.traveler-note cite { color: #5e5a4c; font-size: 11px; font-style: normal; letter-spacing: .05em; }
.keepsake-list { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.keepsake-list article { padding: 34px 32px 39px; }
.keepsake-list article + article { border-left: 1px solid var(--line); }
.keepsake-list span { display: block; margin-bottom: 19px; color: var(--coral); font-family: var(--serif); font-size: 24px; }
.keepsake-list h3 { margin-bottom: 8px; font-size: 21px; }
.keepsake-list p { margin: 0; color: var(--muted); font-size: 14px; }

.local-first { padding: clamp(90px, 10vw, 140px) 0; }
.local-note { display: grid; grid-template-columns: .9fr 1.1fr; gap: 9vw; padding: clamp(28px, 5vw, 62px) 0; border-block: 1px solid rgb(36 75 59 / 28%); }
.local-kicker { margin: 0 0 17px; }
.local-note h2 { margin-bottom: 0; font-size: clamp(36px, 4.5vw, 61px); line-height: 1.12; }
.local-copy > p { margin-top: 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.local-copy ul { margin: 27px 0 0; padding: 0; list-style: none; }
.local-copy li { padding: 12px 0 12px 28px; border-top: 1px solid var(--line); font-size: 13px; }
.local-copy li::before { margin-left: -28px; margin-right: 14px; color: var(--coral); content: "✓"; }

.skin-chapter { position: relative; padding: clamp(88px, 10vw, 142px) 0; overflow: hidden; color: #efe9dc; background: #1f3f34; }
.skin-chapter::before { position: absolute; inset: 0; opacity: .13; background: repeating-linear-gradient(0deg, transparent 0 27px, #e7dece 27px 28px); content: ""; pointer-events: none; }
.skin-spread { position: relative; display: grid; grid-template-columns: minmax(310px, .82fr) minmax(460px, 1.18fr); gap: clamp(42px, 7vw, 96px); align-items: center; }
.skin-kicker { margin: 0 0 16px; color: #e0b66f; font-family: var(--serif); font-style: italic; }
.skin-copy h2 { max-width: 660px; margin-bottom: 22px; color: #fbf5e9; font-size: clamp(39px, 4.8vw, 64px); line-height: 1.08; }
.skin-copy > p:not(.skin-kicker) { max-width: 610px; color: rgb(247 245 239 / 73%); font-size: 16px; line-height: 1.8; }
.skin-facts { margin: 32px 0; border-block: 1px solid rgb(247 245 239 / 22%); }
.skin-facts article { display: grid; grid-template-columns: 32px 1fr; gap: 2px 14px; padding: 18px 0; }
.skin-facts article + article { border-top: 1px solid rgb(247 245 239 / 14%); }
.skin-facts span { grid-row: 1 / 3; color: #e0b66f; font: 600 14px/1.6 var(--serif); }
.skin-facts strong { color: #fbf5e9; font-size: 14px; }
.skin-facts p { margin: 4px 0 0; color: rgb(247 245 239 / 62%); font-size: 12px; line-height: 1.65; }
.button--skin { border-color: #e0b66f; color: #1f3f34; background: #e0b66f; }
.button--skin:hover { border-color: #fbf5e9; color: #1f3f34; background: #fbf5e9; }
.skin-window { position: relative; margin: 0; padding: 12px; color: var(--ink); background: #d9cfbd; box-shadow: 18px 22px 0 rgb(10 24 18 / 30%); transform: rotate(.55deg); }
.skin-window::before { position: absolute; z-index: 2; top: -14px; right: 13%; width: 96px; height: 24px; background: rgb(214 183 119 / 72%); content: ""; transform: rotate(-2deg); }
.skin-window-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 38px; padding: 0 10px; background: #eee7db; font-size: 9px; letter-spacing: .1em; }
.skin-window-bar > span { display: flex; gap: 5px; }
.skin-window-bar i { width: 8px; height: 8px; border-radius: 50%; background: #bd745c; }
.skin-window-bar i:nth-child(2) { background: #d2a958; }
.skin-window-bar i:nth-child(3) { background: #62806e; }
.skin-window-bar small { justify-self: end; color: var(--muted); }
.skin-window > img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; object-position: center; background: #c8c2b6; }
.skin-window figcaption { display: flex; justify-content: space-between; gap: 18px; padding: 13px 6px 2px; color: #4f5d54; font: italic 12px/1.5 var(--serif); }
.skin-window code { color: var(--green); font: 10px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }

.install-guide { padding: clamp(82px, 9vw, 126px) 0; background: var(--paper-soft); }
.install-spread { display: grid; grid-template-columns: minmax(270px, .78fr) 1.22fr; gap: clamp(44px, 8vw, 106px); align-items: start; }
.install-heading { padding-top: 12px; }
.install-kicker { margin: 0 0 16px; }
.install-heading h2 { margin-bottom: 18px; font-size: clamp(38px, 4.4vw, 58px); line-height: 1.08; }
.install-heading > p:not(.install-kicker) { max-width: 430px; margin: 0 0 27px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.install-card { position: relative; padding: clamp(28px, 4.5vw, 52px); border: 1px solid rgb(36 75 59 / 23%); background: var(--paper); box-shadow: 9px 9px 0 rgb(36 75 59 / 8%); }
.install-card::before { position: absolute; top: 18px; right: 24px; width: 45px; height: 12px; background: rgb(179 138 73 / 26%); content: ""; transform: rotate(2deg); }
.install-card ol { margin: 0; padding: 0; list-style: none; }
.install-card li { display: grid; grid-template-columns: 42px 1fr; gap: 20px; align-items: start; padding: 20px 0; border-bottom: 1px solid var(--line); }
.install-card li:first-child { padding-top: 0; }
.install-card li > span { color: var(--coral); font: 600 18px/1.5 var(--serif); }
.install-card li p { margin: 0; color: var(--ink); font-size: 14px; line-height: 1.75; }
.checksum-note { display: grid; gap: 8px; margin-top: 27px; }
.checksum-note > span { color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .12em; }
.checksum-note code { overflow-wrap: anywhere; color: var(--green); font: 600 11px/1.65 ui-monospace, SFMono-Regular, Menlo, monospace; }

.final-note { display: grid; grid-template-columns: minmax(300px, 43%) 1fr; align-items: center; min-height: 640px; overflow: hidden; background: var(--green); color: var(--paper); }
.final-note > img { width: 100%; height: 640px; object-fit: cover; object-position: center; mix-blend-mode: luminosity; opacity: .82; }
.final-note > div { max-width: 700px; padding: 68px clamp(36px, 6vw, 86px); }
.final-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 42px; }
.final-brand > img { width: 58px; height: 58px; object-fit: cover; }
.final-brand strong { font-size: 20px; }
.final-brand small { margin-top: 6px; color: rgb(247 245 239 / 67%); font-size: 9px; letter-spacing: .09em; }
.final-kicker { margin: 0 0 15px; color: #e0b66f; }
.final-note h2 { margin-bottom: 23px; font-size: clamp(46px, 5.4vw, 74px); line-height: 1.06; }
.final-note p:not(.final-kicker) { max-width: 470px; margin: 0 0 30px; color: rgb(247 245 239 / 76%); }
.final-note .button--primary { border-color: var(--paper); color: var(--green); background: var(--paper); }
.final-note .button--disabled { border-color: rgb(247 245 239 / 40%); color: var(--paper); }

.site-footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 36px; min-height: 108px; padding: 28px clamp(20px, 5vw, 72px); color: var(--muted); background: #d4cec2; }
.site-footer > div { display: flex; align-items: baseline; gap: 13px; }
.site-footer strong { color: var(--ink); font-family: var(--serif); font-size: 20px; letter-spacing: .12em; }
.site-footer span, .site-footer small { font-size: 11px; }
.site-footer nav { display: flex; gap: 24px; }

.reveal { opacity: 1; transform: none; }
.motion-ready .reveal { opacity: 0; transform: translateY(18px); transition: opacity .68s ease, transform .68s var(--ease); }
.motion-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }
.motion-ready .product-window.reveal { clip-path: inset(0 0 8% 0); transition: opacity .72s ease, transform .72s var(--ease), clip-path .85s var(--ease); }
.motion-ready .product-window.reveal.is-visible { clip-path: inset(0); }

html[lang="zh-CN"] h1 { font-size: clamp(2.375rem, 3.2vw, 3rem); line-height: 1.2; }
html[lang="zh-CN"] .hero-lede, html[lang="zh-CN"] .section-heading > p:last-child { line-height: 1.9; }
html[lang="zh-CN"] .final-note h2 { font-size: clamp(43px, 4.7vw, 62px); }

@media (max-width: 920px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { display: none; }
  .journal-spread { grid-template-columns: 1fr; }
  .journal-spread::before { display: none; }
  .hero-copy { min-height: 700px; }
  .hero-visual { min-height: 620px; }
  .section-heading { grid-template-columns: 1fr; }
  .section-heading > p:last-child { margin-top: 24px; }
  .journey-line { grid-template-columns: 1fr 1fr; gap: 42px 26px; }
  .journey-line::before { display: none; }
  .journey-line li { display: grid; grid-template-columns: 54px 1fr; gap: 19px; padding-right: 12px; }
  .step-number { margin-bottom: 0; }
  .atlas-spread { grid-template-columns: 1fr; }
  .atlas-page + .atlas-page { border-top: 1px solid rgb(36 75 59 / 22%); border-left: 0; }
  .traveler-note { width: min(520px, 72%); margin-top: 28px; }
  .local-note { grid-template-columns: 1fr; gap: 38px; }
  .install-spread { grid-template-columns: 1fr; }
  .skin-spread { grid-template-columns: 1fr; }
  .skin-window { width: min(760px, 100%); }
  .final-note { grid-template-columns: minmax(280px, 40%) 1fr; }
}

@media (max-width: 650px) {
  .nowrap { white-space: normal; }
  .section-shell { width: min(100% - 24px, var(--content)); }
  .site-header { min-height: 66px; padding: 0 12px 0 14px; }
  .brand > img { width: 38px; height: 38px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small { font-size: 7px; }
  .hero { padding-top: 22px; }
  .journal-spread { min-height: 0; }
  .hero-copy { min-height: 0; padding: 70px 28px 48px; }
  .hero-brand { gap: 14px; margin-bottom: 28px; }
  .hero-brand > img { width: 76px; height: 76px; }
  .hero-brand strong { font-size: 21px; }
  h1, html[lang="zh-CN"] h1 { font-size: 2.25rem; }
  h1 span { max-width: none; font-size: 1.625rem; line-height: 1.4; }
  .field-facts { flex-direction: column; gap: 14px; }
  .hero-visual { min-height: 500px; padding: 26px 18px 57px; }
  .hero-photo { padding: 8px 8px 60px; }
  .hero-photo img { min-height: 360px; }
  .hero-photo figcaption { padding-top: 12px; }
  .hero-photo figcaption span { display: none; }
  .postmark { top: 11px; right: 8px; width: 70px; height: 70px; }
  .hand-note, .trip-count { bottom: 17px; }
  .journey, .atlas, .keepsakes, .local-first, .skin-chapter, .install-guide { padding: 80px 0; }
  .section-heading { margin-bottom: 48px; }
  .section-heading h2 { font-size: 39px; }
  .journey-line { grid-template-columns: 1fr; gap: 32px; margin-bottom: 58px; }
  .journey-line li { padding-right: 0; }
  .window-bar { grid-template-columns: 1fr auto; padding: 0 10px; }
  .window-bar > span:nth-child(2) { display: none; }
  .window-inspect { font-size: 10px; }
  .product-window figcaption { padding-inline: 10px; font-size: 13px; }
  .atlas-page { padding: 22px 22px 33px; }
  .map-strip { height: 190px; margin-top: 42px; }
  .keepsakes .section-heading { margin-left: 0; }
  .traveler-note { width: 100%; margin: 28px 0 45px; padding: 30px 27px; transform: none; }
  .traveler-note::before { display: none; }
  .keepsake-list { grid-template-columns: 1fr; }
  .keepsake-list article + article { border-top: 1px solid var(--line); border-left: 0; }
  .local-note { padding: 35px 5px; }
  .install-spread { gap: 38px; }
  .skin-window figcaption { display: grid; }
  .install-card { padding: 30px 24px; }
  .final-note { grid-template-columns: 1fr; }
  .final-note > img { height: 390px; }
  .final-note > div { padding: 58px 25px 72px; }
  .final-brand { margin-bottom: 34px; }
  .final-note h2, html[lang="zh-CN"] .final-note h2 { font-size: 45px; }
  .site-footer { grid-template-columns: 1fr; gap: 13px; }
  .site-footer > div { flex-direction: column; gap: 1px; }
}

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

@media print {
  .site-header, .scroll-cue { display: none; }
  .motion-ready .reveal { opacity: 1; clip-path: none; transform: none; }
  body { background: white; }
}

.privacy-page { min-height: 100vh; }
.privacy-header { display: flex; align-items: center; justify-content: space-between; width: min(100% - 40px, 980px); margin: 0 auto; padding: 24px 0; border-bottom: 1px solid var(--line); }
.privacy-header > a:last-child { color: var(--muted); font-size: 13px; text-decoration: none; }
.privacy-document { width: min(100% - 40px, 760px); margin: 0 auto; padding: 76px 0 100px; }
.privacy-document h1 { margin: 10px 0 28px; font-size: clamp(48px, 9vw, 84px); line-height: .92; letter-spacing: -.04em; }
.privacy-document h1 span { color: var(--muted); font-size: .48em; font-weight: 400; letter-spacing: -.02em; }
.privacy-lead { margin-bottom: 54px; color: var(--ink); font-size: 19px; line-height: 1.8; }
.privacy-document section { margin: 38px 0; }
.privacy-document h2 { margin-bottom: 12px; font-size: 23px; }
.privacy-document p { color: var(--muted); line-height: 1.9; }
.privacy-document a { color: var(--coral); text-underline-offset: 3px; }
.privacy-document hr { margin: 58px 0; border: 0; border-top: 1px solid var(--line); }
.privacy-contact { margin-top: 58px; padding-top: 20px; border-top: 1px solid var(--line); }