:root {
  --ink: #11110f;
  --ink-soft: #34322e;
  --paper: #f7f3ec;
  --paper-deep: #ebe3d6;
  --line: rgba(17, 17, 15, 0.14);
  --red: #b8201c;
  --bronze: #9e7650;
  --jade: #53665a;
  --white: #fffaf1;
  --shadow: rgba(0, 0, 0, 0.22);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  align-items: center;
  background: linear-gradient(to bottom, rgba(8, 8, 7, 0.5), rgba(8, 8, 7, 0.08), transparent);
  color: var(--white);
  display: flex;
  inset: 0 0 auto;
  justify-content: space-between;
  padding: 24px 32px;
  position: fixed;
  transition: background 240ms ease, padding 240ms ease;
  z-index: 20;
}

.site-header.is-scrolled {
  background: rgba(15, 15, 13, 0.76);
  -webkit-backdrop-filter: blur(18px) saturate(115%);
  backdrop-filter: blur(18px) saturate(115%);
  padding-bottom: 16px;
  padding-top: 16px;
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  min-width: 230px;
}

.brand-icon {
  display: block;
  filter: drop-shadow(0 1px 10px rgba(0, 0, 0, 0.24));
  height: 34px;
  object-fit: contain;
  width: 34px;
}

.brand strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  text-transform: none;
}

.brand small {
  color: rgba(255, 250, 241, 0.66);
  display: block;
  font-size: 11px;
  margin-top: 5px;
}

.nav {
  align-items: center;
  display: flex;
  gap: 44px;
}

.nav a,
.lang-toggle {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.nav a {
  color: rgba(255, 250, 241, 0.86);
  padding: 10px 0;
}

.nav a:hover {
  color: var(--white);
}

.header-actions {
  align-items: center;
  display: flex;
  gap: 20px;
}

.lang-toggle,
.menu-toggle {
  background: none;
  border: 0;
  color: var(--white);
  cursor: pointer;
}

.lang-toggle span:first-child {
  color: #ed453d;
}

.lang-toggle.is-zh span:first-child {
  color: rgba(255, 250, 241, 0.66);
}

.lang-toggle.is-zh span:last-child {
  color: #ed453d;
}

.menu-toggle {
  display: none;
  height: 36px;
  width: 36px;
}

.menu-toggle span {
  background: var(--white);
  display: block;
  height: 1px;
  margin: 7px 0;
  width: 26px;
}

.hero {
  color: var(--white);
  min-height: 74vh;
  overflow: hidden;
  position: relative;
}

.hero img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  object-position: center 62%;
  position: absolute;
  transform-origin: center center;
  will-change: transform;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.58) 0%, rgba(0, 0, 0, 0.32) 34%, rgba(0, 0, 0, 0.06) 68%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.54) 0%, rgba(0, 0, 0, 0.04) 44%);
  inset: 0;
  position: absolute;
}

.hero-content {
  max-width: 1280px;
  padding: 17vh 32px 88px;
  position: relative;
  width: min(100%, 1280px);
}

@media (min-width: 921px) {
  .hero-content {
    margin-left: clamp(112px, 8.5vw, 150px);
    margin-right: 32px;
    padding-left: 0;
    width: auto;
  }
}

.eyebrow,
.section-kicker {
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin: 0 0 20px;
  text-transform: uppercase;
}

.hero h1,
.host-copy h2,
.section-heading h2,
.detail-copy h2,
.inquiry-section h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: 0;
}

.hero h1 {
  font-size: clamp(64px, 6.3vw, 104px);
  line-height: 1.05;
  margin: 0;
  max-width: 820px;
}

.hero-copy {
  color: rgba(255, 250, 241, 0.88);
  font-size: 20px;
  line-height: 1.55;
  margin: 44px 0 0;
  max-width: 560px;
}

.hero-cta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 42px;
  margin-top: 38px;
  max-width: 100%;
  width: fit-content;
}

.button {
  align-items: center;
  border: 1px solid currentColor;
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  justify-content: center;
  letter-spacing: 0.1em;
  min-height: 56px;
  padding: 0 28px;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button.primary {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.hero-line-link {
  align-items: center;
  color: var(--white);
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 0 0 10px;
  position: relative;
  text-transform: uppercase;
  transition: color 180ms ease, opacity 180ms ease;
}

.hero-line-link::after {
  background: var(--red);
  bottom: 0;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0.38);
  transform-origin: left center;
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1), background 180ms ease;
  width: 100%;
}

.hero-line-link:hover {
  opacity: 0.82;
}

.hero-line-link:hover::after,
.hero-line-link:focus-visible::after {
  transform: scaleX(1);
}

.hero-note {
  bottom: 24px;
  color: rgba(255, 250, 241, 0.62);
  font-size: 11px;
  font-weight: 800;
  left: 50%;
  letter-spacing: 0.26em;
  position: absolute;
  text-align: center;
  text-transform: uppercase;
  transform: translateX(-50%);
  width: calc(100% - 64px);
}

.intro-band {
  align-items: center;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: center;
  min-height: 190px;
  padding: 48px 32px;
}

.intro-band p {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 3.2vw, 46px);
  line-height: 1.14;
  margin: 0;
  max-width: 1060px;
  text-align: center;
}

.host-section {
  display: grid;
  gap: clamp(58px, 7vw, 104px);
  grid-template-columns: minmax(280px, 0.95fr) minmax(300px, 0.9fr);
  margin: 0 auto;
  max-width: 1280px;
  padding: 104px 32px 118px;
}

.host-image img {
  aspect-ratio: 4 / 5;
  height: 100%;
  max-height: 640px;
  object-fit: cover;
  object-position: center;
}

@media (min-width: 921px) {
  .host-image {
    align-self: start;
    position: sticky;
    top: 112px;
  }
}

.host-copy {
  align-self: center;
  max-width: 560px;
}

.host-copy h2,
.section-heading h2,
.detail-copy h2,
.inquiry-section h2 {
  font-size: clamp(38px, 4.7vw, 66px);
  line-height: 1.03;
  margin: 0;
}

.host-copy > p:not(.section-kicker),
.section-heading p:not(.section-kicker),
.inquiry-section p {
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.7;
}

.host-copy > p:not(.section-kicker) {
  margin: 28px 0 0;
}

.host-copy > p + p {
  margin-top: 14px;
}

.host-profile-link {
  align-items: center;
  color: var(--red);
  display: inline-flex;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.1em;
  margin: 34px 0 54px;
  padding: 0 4px 9px 0;
  position: relative;
  text-decoration: none;
  text-transform: uppercase;
  transition: opacity 180ms ease;
}

.host-profile-link::before {
  background: var(--red);
  bottom: 0;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0.38);
  transform-origin: left center;
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
  width: 100%;
}

.host-profile-link::after {
  content: "\2192";
  margin-left: 14px;
  transition: transform 180ms ease;
}

.host-profile-link:hover {
  opacity: 0.78;
}

.host-profile-link:hover::after {
  transform: translateX(4px);
}

.host-profile-link:hover::before,
.host-profile-link:focus-visible::before {
  transform: scaleX(1);
}

.service-list {
  border-top: 1px solid var(--line);
}

.service-list div {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: 42px 1fr;
  padding: 22px 0;
  will-change: opacity, transform;
}

.service-list span,
.route-content span,
.process-grid span {
  color: var(--red);
  font-size: 13px;
  font-weight: 800;
}

.service-list strong {
  display: block;
  font-size: 15px;
  grid-column: 2;
  margin-bottom: 5px;
}

.service-list p {
  color: rgba(52, 50, 46, 0.76);
  font-size: 14px;
  grid-column: 2;
  line-height: 1.55;
  margin: 0;
}

.routes-section {
  background: var(--ink);
  color: var(--white);
  padding: 98px 0 0;
}

.section-heading {
  margin: 0 auto 58px;
  max-width: 930px;
  padding: 0 32px;
  text-align: center;
}

.section-heading p:not(.section-kicker) {
  color: rgba(255, 250, 241, 0.72);
  margin: 24px auto 0;
  max-width: 760px;
}

.routes-section .section-kicker,
.process-section .section-kicker,
.inquiry-section .section-kicker {
  color: #df3a34;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.route-card {
  aspect-ratio: 0.7;
  color: var(--white);
  display: block;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  position: relative;
}

.route-card img {
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.route-card:nth-child(1) img {
  object-position: 68% 50%;
}

.route-card:nth-child(2) img {
  object-position: center 55%;
}

.route-card:nth-child(3) img {
  object-position: center 50%;
}

.route-card:hover img {
  transform: scale(1.03);
}

.route-overlay {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.16) 0%, rgba(0, 0, 0, 0.1) 42%, rgba(0, 0, 0, 0.82) 100%);
  inset: 0;
  position: absolute;
}

.route-content {
  bottom: 34px;
  display: grid;
  gap: 10px;
  grid-template-rows: 18px 18px 112px minmax(92px, 1fr) 52px;
  height: 366px;
  left: 32px;
  position: absolute;
  right: 32px;
}

.route-content h3 {
  transition: translate 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.route-card:hover .route-content h3 {
  translate: 0 -4px;
}

.route-content h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 3.4vw, 50px);
  font-weight: 400;
  line-height: 1.08;
  margin: 0;
}

.route-content p {
  color: rgba(255, 250, 241, 0.86);
  font-size: 17px;
  line-height: 1.5;
  margin: 0;
}

.route-content .route-keywords {
  color: rgba(255, 250, 241, 0.72);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.route-topline {
  align-items: start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  min-width: 0;
}

.route-content .route-link-label {
  color: rgba(255, 250, 241, 0.9);
  flex: 0 0 auto;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding-bottom: 6px;
  position: relative;
  text-transform: uppercase;
}

.route-link-label::after {
  background: var(--red);
  bottom: 0;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0.38);
  transform-origin: left center;
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
  width: 100%;
}

.route-card:hover .route-link-label::after,
.route-card:focus-visible .route-link-label::after {
  transform: scaleX(1);
}

html:lang(zh-CN) .route-link-label {
  letter-spacing: 0.08em;
  text-transform: none;
}

.route-content .route-description {
  font-size: 15px;
  line-height: 1.55;
}

.route-content .route-best {
  align-self: end;
  border-top: 1px solid rgba(255, 250, 241, 0.25);
  color: rgba(255, 250, 241, 0.72);
  font-size: 12px;
  font-style: italic;
  line-height: 1.5;
  padding-top: 12px;
}

.route-meta {
  align-self: end;
  display: grid;
  gap: 7px;
}

.route-meta > span {
  color: rgba(255, 250, 241, 0.82);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.55;
}

.route-meta small {
  color: rgba(255, 250, 241, 0.68);
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.55;
  text-transform: none;
}

@media (max-width: 1100px) {
  .route-grid {
    grid-template-columns: 1fr;
  }

  .route-card {
    aspect-ratio: auto;
    height: clamp(520px, 72vw, 660px);
    min-height: 0;
  }

  .route-content {
    max-width: 760px;
  }
}

.practical-details {
  border-top: 1px solid rgba(255, 250, 241, 0.16);
  display: grid;
  gap: 8vw;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  margin: 0 auto;
  max-width: 1440px;
  padding: 86px clamp(32px, 7vw, 110px) 94px;
}

.practical-details h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 3.7vw, 54px);
  font-weight: 400;
  line-height: 1.05;
  margin: 0;
}

.practical-copy {
  border-top: 1px solid rgba(255, 250, 241, 0.22);
}

.practical-copy p {
  border-bottom: 1px solid rgba(255, 250, 241, 0.16);
  color: rgba(255, 250, 241, 0.72);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
  padding: 18px 0;
}

.details-section {
  background: var(--paper-deep);
  display: grid;
  gap: 7vw;
  grid-template-columns: minmax(260px, 0.8fr) 1fr;
  padding: 92px 32px;
}

.detail-copy {
  max-width: 540px;
  justify-self: end;
}

.detail-items {
  align-self: end;
  border-top: 1px solid var(--line);
  max-width: 660px;
}

.detail-items div {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 32px;
  grid-template-columns: 120px 1fr;
  padding: 28px 0;
}

.detail-items span {
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.detail-items p {
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.55;
  margin: 0;
}

.moments-section {
  padding: 98px 0 72px;
}

.compact {
  margin-bottom: 44px;
}

.compact p:not(.section-kicker) {
  color: var(--ink-soft);
}

.gallery {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: repeat(10, minmax(54px, 6vw));
  margin: 0 auto;
  max-width: 1440px;
  padding: 0 32px;
}

.gallery img {
  height: 100%;
  object-fit: cover;
}

.gallery img:first-child {
  grid-column: 1 / 8;
  grid-row: 1 / 7;
}

.gallery img:nth-child(2) {
  grid-column: 8 / 13;
  grid-row: 1 / 4;
  object-position: center 82%;
}

.gallery img:nth-child(3) {
  grid-column: 8 / 13;
  grid-row: 4 / 7;
}

.gallery img:nth-child(4) {
  grid-column: 1 / 13;
  grid-row: 7 / 11;
}

.process-section {
  background: var(--ink);
  color: var(--white);
  padding: 104px 32px;
}

.process-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  max-width: 1180px;
  position: relative;
  --timeline-progress: 0;
}

.process-grid::before,
.process-grid::after {
  content: "";
  position: absolute;
}

.process-grid::before {
  background: rgba(255, 250, 241, 0.16);
  height: 1px;
  left: 0;
  right: 0;
  top: 0;
}

.process-grid::after {
  background: var(--red);
  height: 2px;
  left: 0;
  right: 0;
  top: -1px;
  transform: scaleX(var(--timeline-progress));
  transform-origin: left center;
}

.process-grid div {
  border-top: 0;
  padding: 32px 34px 0 0;
}

.process-grid h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 31px;
  font-weight: 400;
  line-height: 1.16;
  margin: 26px 0 18px;
}

.process-grid p {
  color: rgba(255, 250, 241, 0.68);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

.briefs-section {
  background: var(--ink);
  border-top: 1px solid rgba(255, 250, 241, 0.12);
  color: var(--white);
  padding: 96px 32px 108px;
}

.briefs-section .section-heading p:not(.section-kicker) {
  color: rgba(255, 250, 241, 0.68);
}

.briefs-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  max-width: 1180px;
}

.briefs-grid article {
  border-top: 1px solid rgba(255, 250, 241, 0.18);
  padding: 30px 30px 0 0;
}

.briefs-grid span {
  color: var(--red);
  font-size: 13px;
  font-weight: 800;
}

.briefs-grid h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(26px, 2.5vw, 36px);
  font-weight: 400;
  line-height: 1.12;
  margin: 22px 0 28px;
}

.briefs-grid dl {
  display: grid;
  gap: 18px;
  margin: 0;
}

.briefs-grid div {
  border-top: 1px solid rgba(255, 250, 241, 0.12);
  display: grid;
  gap: 14px;
  grid-template-columns: 92px 1fr;
  padding-top: 16px;
}

.briefs-grid dt {
  color: rgba(255, 250, 241, 0.48);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-transform: uppercase;
}

.briefs-grid dd {
  color: rgba(255, 250, 241, 0.72);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

.inquiry-section {
  background: var(--paper);
  display: grid;
  gap: 8vw;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 0.85fr);
  margin: 0 auto;
  max-width: none;
  padding: 106px max(32px, calc((100vw - 1176px) / 2));
}

.inquiry-section p {
  margin-top: 28px;
}

.inquiry-action {
  align-content: center;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 34px;
  padding-left: 48px;
}

.inquiry-action .button {
  justify-self: start;
}

.inquiry-promises {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  padding: 12px 0;
}

.inquiry-promises p {
  color: rgba(52, 50, 46, 0.76);
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
  padding: 10px 0 10px 24px;
  position: relative;
}

.inquiry-promises p::before {
  background: var(--red);
  content: "";
  height: 5px;
  left: 0;
  position: absolute;
  top: 18px;
  width: 5px;
}

.site-footer {
  align-items: center;
  background: var(--ink);
  color: rgba(255, 250, 241, 0.7);
  display: flex;
  gap: 28px;
  justify-content: center;
  padding: 34px 32px;
  text-align: center;
}

.site-footer strong {
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
}

.site-footer a {
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-links { align-items: center; display: flex; gap: 18px; }
.site-footer .footer-links a { color: rgba(255,250,241,.78); font-size: 10px; letter-spacing: .1em; }

html:lang(zh-CN) body,
html:lang(zh-CN) button,
html:lang(zh-CN) input,
html:lang(zh-CN) textarea {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", ui-sans-serif, system-ui, sans-serif;
}

html:lang(zh-CN) .brand small {
  font-size: 11px;
  letter-spacing: 0.04em;
}

html:lang(zh-CN) .nav a,
html:lang(zh-CN) .lang-toggle,
html:lang(zh-CN) .button,
html:lang(zh-CN) .route-content small,
html:lang(zh-CN) .host-profile-link,
html:lang(zh-CN) .detail-items span,
html:lang(zh-CN) .hero-note {
  text-transform: none;
}

html:lang(zh-CN) .nav a,
html:lang(zh-CN) .lang-toggle {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

html:lang(zh-CN) .host-profile-link {
  letter-spacing: 0.08em;
}

html:lang(zh-CN) .eyebrow,
html:lang(zh-CN) .section-kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: none;
}

html:lang(zh-CN) .hero h1,
html:lang(zh-CN) .host-copy h2,
html:lang(zh-CN) .section-heading h2,
html:lang(zh-CN) .detail-copy h2,
html:lang(zh-CN) .inquiry-section h2,
html:lang(zh-CN) .route-content h3,
html:lang(zh-CN) .process-grid h3,
html:lang(zh-CN) .intro-band p {
  font-family: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong", serif;
  font-weight: 500;
}

html:lang(zh-CN) .hero h1 {
  font-size: clamp(48px, 5.9vw, 86px);
  line-height: 1.12;
  max-width: 660px;
}

html:lang(zh-CN) .hero-copy {
  font-size: 20px;
  line-height: 1.75;
  max-width: 520px;
}

html:lang(zh-CN) .button {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

html:lang(zh-CN) .hero-line-link {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: none;
}

html:lang(zh-CN) .intro-band p {
  font-size: clamp(27px, 3vw, 42px);
  line-height: 1.34;
  max-width: 980px;
}

html:lang(zh-CN) .host-copy h2,
html:lang(zh-CN) .section-heading h2,
html:lang(zh-CN) .detail-copy h2,
html:lang(zh-CN) .inquiry-section h2 {
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.22;
}

html:lang(zh-CN) .host-copy > p:not(.section-kicker),
html:lang(zh-CN) .section-heading p:not(.section-kicker),
html:lang(zh-CN) .inquiry-section p,
html:lang(zh-CN) .detail-items p {
  font-size: 16px;
  line-height: 1.85;
}

html:lang(zh-CN) .service-list strong {
  font-size: 16px;
}

html:lang(zh-CN) .service-list p {
  font-size: 14px;
  line-height: 1.75;
}

html:lang(zh-CN) .route-content h3 {
  font-size: clamp(30px, 3.1vw, 45px);
  line-height: 1.2;
  margin: 0;
}

html:lang(zh-CN) .route-content p {
  font-size: 14px;
  letter-spacing: 0.02em;
  margin: 0;
}

html:lang(zh-CN) .route-content {
  grid-template-rows: 18px 18px 72px minmax(64px, 1fr) 52px;
  height: 300px;
}

html:lang(zh-CN) .route-content small {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

html:lang(zh-CN) .process-grid h3 {
  font-size: 30px;
  line-height: 1.28;
}

html:lang(zh-CN) .briefs-grid h3 {
  font-family: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong", serif;
  font-size: clamp(27px, 2.6vw, 34px);
  font-weight: 500;
  line-height: 1.25;
}

html:lang(zh-CN) .process-grid p {
  font-size: 15px;
  line-height: 1.85;
}

html:lang(zh-CN) .briefs-grid dd {
  font-size: 14px;
  line-height: 1.75;
}

html:lang(zh-CN) .inquiry-promises p {
  font-size: 14px;
  line-height: 1.75;
}

@media (max-width: 920px) {
  .site-header {
    padding: 18px 20px;
  }

  .brand {
    min-width: auto;
  }

  .brand small {
    display: none;
  }

  .brand-icon {
    height: 32px;
    width: 32px;
  }

  .nav {
    background: rgba(15, 15, 13, 0.98);
    display: grid;
    gap: 12px;
    inset: 72px 0 auto;
    opacity: 0;
    padding: 28px 24px 34px;
    pointer-events: none;
    position: fixed;
    transform: translateY(-10px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  body.menu-open .nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    min-height: 720px;
  }

  .hero img {
    object-position: center 62%;
  }

  .hero-content {
    padding: 168px 24px 88px;
  }

  .hero h1 {
    font-size: clamp(52px, 13vw, 78px);
    line-height: 1.08;
  }

  html:lang(zh-CN) .hero h1 {
    font-size: clamp(42px, 10vw, 64px);
  }

  .hero-copy {
    font-size: 18px;
  }

  .hero-cta {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 26px;
    margin-top: 34px;
    width: fit-content;
  }

  .hero-line-link {
    font-size: 11px;
    padding-bottom: 9px;
  }

  .hero-note {
    bottom: 18px;
    display: block;
    font-size: 9px;
    letter-spacing: 0.18em;
  }

  .host-section,
  .details-section,
  .inquiry-section {
    grid-template-columns: 1fr;
  }

  .host-section {
    gap: 46px;
    padding: 72px 24px 82px;
  }

  .host-copy {
    max-width: none;
  }

  .route-grid,
  .process-grid,
  .briefs-grid {
    grid-template-columns: 1fr;
  }

  .route-card {
    aspect-ratio: auto;
    height: clamp(500px, 128vw, 650px);
    min-height: 0;
    min-width: 0;
    width: 100%;
  }

  .route-content {
    bottom: 28px;
    grid-template-rows: 18px 18px 104px minmax(96px, 1fr) 56px;
    height: 360px;
    left: 24px;
    right: 24px;
  }

  .route-content .route-keywords {
    font-size: 10px;
  }

  .route-content .route-description {
    font-size: 14px;
  }

  .practical-details {
    gap: 42px;
    grid-template-columns: 1fr;
    padding: 68px 24px 76px;
  }

  .details-section,
  .process-section,
  .briefs-section,
  .inquiry-section {
    padding: 76px 24px;
  }

  .detail-copy {
    justify-self: start;
  }

  .gallery {
    gap: 12px;
    grid-template-columns: 1fr;
    grid-template-rows: none;
    padding: 0 24px;
  }

  .gallery img,
  .gallery img:first-child,
  .gallery img:nth-child(2),
  .gallery img:nth-child(3),
  .gallery img:nth-child(4) {
    aspect-ratio: 4 / 3;
    grid-column: auto;
    grid-row: auto;
    height: auto;
  }


  .process-grid {
    gap: 0;
    padding-left: 28px;
  }

  .process-grid::before {
    bottom: 0;
    height: auto;
    left: 0;
    right: auto;
    top: 0;
    width: 1px;
  }

  .process-grid::after {
    bottom: 0;
    height: auto;
    left: -1px;
    right: auto;
    top: 0;
    transform: scaleY(var(--timeline-progress));
    transform-origin: center top;
    width: 2px;
  }

  .process-grid div {
    padding: 8px 0 54px;
  }

  .briefs-grid {
    gap: 42px;
  }

  .briefs-grid article {
    padding: 28px 0 0;
  }

  .inquiry-action {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 34px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (min-width: 601px) and (max-width: 920px) {
  .hero {
    min-height: 740px;
  }

  .hero-content {
    padding: 184px 32px 96px;
  }

  .hero h1 {
    font-size: clamp(72px, 9.8vw, 88px);
    line-height: 1.08;
    max-width: min(800px, calc(100vw - 64px));
  }

  .hero-copy {
    max-width: 560px;
  }

  .hero-cta {
    align-items: center;
    flex-direction: row;
    gap: 30px;
    margin-top: 38px;
    width: fit-content;
  }
}

@media (max-width: 560px) {
  .brand strong {
    font-size: 19px;
  }

  .lang-toggle {
    font-size: 11px;
  }

  .hero-note {
    letter-spacing: 0.12em;
  }

  .button {
    min-height: 52px;
    width: 100%;
  }

  .intro-band {
    min-height: 160px;
    padding: 40px 24px;
  }

  .service-list div,
  .detail-items div,
  .briefs-grid div {
    gap: 12px;
    grid-template-columns: 1fr;
  }

  .route-content {
    grid-template-rows: 18px 18px 88px minmax(72px, 1fr) 56px;
    height: 320px;
    left: 24px;
    right: 24px;
  }

  html:lang(zh-CN) .route-content {
    grid-template-rows: 18px 18px 58px 66px 1fr;
    height: 280px;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .hero img,
  .gallery,
  .route-card,
  .route-content > *,
  .service-list > div,
  .inquiry-action > * {
    clip-path: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .process-grid {
    --timeline-progress: 1;
  }
}