@font-face {
  font-family: "Instrument Serif";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/instrument-serif-latin-v1.woff2") format("woff2");
}
@font-face {
  font-family: "Instrument Serif";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/instrument-serif-italic-latin-v1.woff2") format("woff2");
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/inter-regular-latin-v1.woff2") format("woff2");
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/inter-medium-latin-v1.woff2") format("woff2");
}
:root {
  --paper: #101a1c;
  --surface: #152225;
  --stone: #1b2a2c;
  --ink: #f2f0e9;
  --muted: #b8c0bb;
  --bronze: #cba982;
  --line: #405052;
  --dark: #213537;
  --serif: "Instrument Serif", Georgia, "Songti SC", STSong, serif;
  --sans:
    Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    sans-serif;
  --gutter: clamp(24px, 5vw, 80px);
  --section: clamp(64px, 7.8vw, 112px);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 15px/1.75 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
summary {
  font: inherit;
}
svg {
  display: block;
  max-width: 100%;
  height: auto;
}
p,
h1,
h2,
h3,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 400;
}
p {
  color: var(--muted);
}
em {
  font-weight: 400;
}
::selection {
  background: var(--bronze);
  color: var(--paper);
}
:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 7px;
}
.wrap {
  width: min(100%, 1400px);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.eyebrow,
.section-label,
.meta {
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}
.section-label {
  display: flex;
  gap: 16px;
  align-items: baseline;
}
.section-label span:first-child {
  color: var(--bronze);
}
.section-heading {
  font: 400 clamp(46px, 4.6vw, 68px) / 1.04 var(--serif);
  letter-spacing: -0.025em;
  text-wrap: balance;
}
.section-heading em {
  color: var(--bronze);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  font-size: 12px;
  line-height: 1.5;
  padding-block: 13px;
  border-bottom: 1px solid var(--ink);
}
.text-link .arrow {
  font-size: 20px;
  line-height: 1;
  transition: transform 0.2s;
}
.text-link:hover .arrow {
  transform: translate(3px, -3px);
}
.skip-link {
  position: absolute;
  z-index: 30;
  top: 12px;
  left: 12px;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  transform: translateY(-160%);
}
.skip-link:focus {
  transform: none;
}
/* Masthead: one quiet line, with an equally clear mobile navigation. */
.masthead .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  min-height: 100px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  flex-shrink: 0;
}
.brand-mark {
  width: 30px;
  height: 34px;
  color: var(--bronze);
}
.brand-name {
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.16em;
}
.brand-name small {
  display: block;
  font-size: 8px;
  letter-spacing: 0.3em;
  font-weight: 400;
  margin-top: 1px;
}
.navigation {
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.5vw, 40px);
  font-size: 11px;
}
.navigation a {
  padding-block: 10px;
}
.navigation a:hover {
  text-decoration: underline;
  text-underline-offset: 6px;
}
.language {
  border-left: 1px solid var(--line);
  padding-left: 24px !important;
  letter-spacing: 0.06em;
}
.nav-contact {
  display: flex;
  gap: 13px;
  align-items: center;
}
.nav-contact span {
  font-size: 16px;
}
/* Opening spread. A single structural drawing replaces the perpetual animation. */
.hero {
  padding-top: clamp(50px, 6vw, 82px);
}
.hero-topline {
  display: flex;
  justify-content: space-between;
  gap: 28px;
}
.hero-topline .location {
  color: var(--muted);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(240px, 0.8fr);
  align-items: center;
  gap: 60px;
  margin-top: 45px;
}
.hero h1 {
  font: 400 clamp(66px, 7vw, 104px) / 0.98 var(--serif);
  letter-spacing: -0.032em;
}
.hero h1 span {
  display: block;
}
.hero h1 em {
  color: var(--bronze);
}
.hero-copy {
  max-width: 480px;
  margin-top: 30px;
  font-size: 15px;
  line-height: 1.8;
}
.hero-links {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-top: 18px;
}
.hero-links .quiet-link {
  font-size: 11px;
  color: var(--muted);
}
.hero-art {
  position: relative;
  align-self: center;
  margin-top: 12px;
}
.hero-art svg {
  width: 100%;
  max-height: 365px;
}
.hero-art figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}
.hero-base {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  margin-top: 64px;
  padding-block: 22px;
  color: var(--muted);
}
.hero-base .scroll-link {
  display: flex;
  gap: 24px;
  align-items: center;
}
.hero-base .scroll-link span {
  font-size: 15px;
}
.hero-base p {
  font-size: 11px;
  letter-spacing: 0.02em;
}
/* Firm: a short editorial bridge, rather than another oversized title. */
.firm {
  padding-block: 64px 76px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.firm-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 70px;
}
.firm-copy .statement {
  font: 400 clamp(30px, 2.8vw, 42px) / 1.22 var(--serif);
  letter-spacing: -0.015em;
  color: var(--ink);
  max-width: 750px;
}
.firm-copy > p:last-child {
  max-width: 620px;
  margin-top: 22px;
  font-size: 14px;
}
.firm-aside {
  margin-top: 31px;
  display: flex;
  gap: 18px;
  align-items: center;
  color: var(--muted);
  font-size: 10px;
}
.firm-aside::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--bronze);
}
/* Services: restrained ledger rows; the native disclosure is keyboard accessible. */
.services {
  padding-block: var(--section);
}
.section-intro {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 70px;
  margin-bottom: 48px;
}
.intro-body {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}
.intro-body p {
  font-size: 13px;
  line-height: 1.8;
  max-width: 230px;
}
.service-row {
  display: grid;
  grid-template-columns: 52px 1fr 1.08fr;
  gap: 34px;
  border-top: 1px solid var(--line);
  padding: 31px 0 32px;
}
.service-row:last-child {
  border-bottom: 1px solid var(--line);
}
.row-number {
  font: 400 15px var(--serif);
  color: var(--bronze);
  padding-top: 9px;
}
.service-title h3 {
  font: 400 clamp(31px, 3vw, 42px) / 1.1 var(--serif);
  letter-spacing: -0.02em;
}
.service-title .meta {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.1em;
  margin-top: 13px;
}
.service-copy > p {
  max-width: 480px;
  font-size: 13px;
  line-height: 1.9;
}
.service-copy details {
  margin-top: 12px;
}
.service-copy summary {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
  padding-block: 8px;
  font-size: 11px;
  color: var(--ink);
  width: 100%;
}
.service-copy summary::-webkit-details-marker {
  display: none;
}
.service-copy summary::after {
  content: "+";
  font-size: 17px;
  line-height: 1;
}
.service-copy details[open] summary::after {
  content: "−";
}
.service-copy ul {
  margin: 5px 0 4px;
  padding-left: 16px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
}
.service-copy li + li {
  margin-top: 3px;
}
/* Method: a different visual tempo, with a continuous four-stage process. */
.approach {
  background: var(--dark);
  padding-block: var(--section);
}
.approach .section-intro {
  margin-bottom: 52px;
}
.approach .intro-body {
  display: block;
}
.approach .intro-body p {
  margin-top: 22px;
  max-width: 560px;
  font-size: 14px;
}
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.process li {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.process .row-number {
  padding: 0;
}
.process h3 {
  font: 400 32px/1.2 var(--serif);
  margin: 25px 0 14px;
}
.process p {
  font-size: 12px;
  line-height: 1.9;
}
.approach-note {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding-top: 22px;
  display: flex;
  gap: 40px;
  align-items: baseline;
  justify-content: space-between;
}
.approach-note p {
  font-size: 11px;
}
.approach-note .meta {
  font-size: 9px;
  color: var(--bronze);
  white-space: nowrap;
}
/* Situations: questions visitors can recognise, without invented credentials. */
.situations {
  padding-block: var(--section);
}
.situations .section-intro {
  margin-bottom: 44px;
}
.situation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 42px;
}
.situation {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.situation .meta {
  font-size: 9px;
  color: var(--bronze);
}
.situation h3 {
  font: 400 clamp(29px, 2.7vw, 38px) / 1.15 var(--serif);
  letter-spacing: -0.02em;
  margin: 21px 0 18px;
  max-width: 310px;
  text-wrap: balance;
}
.situation p {
  font-size: 13px;
  line-height: 1.9;
  max-width: 345px;
}
.cross-border {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 70px;
  border-top: 1px solid var(--line);
  margin-top: 64px;
  padding-top: 32px;
}
.cross-border .cities {
  font: 400 27px/1.3 var(--serif);
  margin-top: 18px;
  color: var(--ink);
}
.cross-border > p {
  max-width: 630px;
  font-size: 14px;
  line-height: 1.9;
}
/* Closing spread and a real footer give the page a deliberate ending. */
.contact {
  background: var(--stone);
  padding-block: 76px 64px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 70px;
}
.contact-heading {
  font: 400 clamp(56px, 6.7vw, 96px) / 1.02 var(--serif);
  letter-spacing: -0.03em;
}
.contact-heading em {
  color: var(--bronze);
}
.contact-body {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
  margin-top: 36px;
  align-items: start;
}
.contact-body > p {
  font-size: 13px;
  line-height: 1.9;
}
.contact-body .email {
  font-size: clamp(13px, 1.2vw, 16px);
  gap: 18px;
  overflow-wrap: anywhere;
  padding-top: 0;
}
.contact-body .email-note {
  font-size: 10px;
  margin-top: 13px;
}
.footer {
  background: var(--stone);
}
.footer-main {
  padding-block: 32px 38px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.footer-nav {
  display: flex;
  gap: 30px;
  font-size: 11px;
}
.footer-nav a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-block: 22px 28px;
  font-size: 9px;
  color: var(--muted);
}
.footer-bottom p {
  max-width: 490px;
  font-size: 9px;
  line-height: 1.7;
}
.footer-bottom small {
  font-size: 9px;
  white-space: nowrap;
}
/* Chinese keeps the English display face, with system CJK fonts for native text. */
html[lang="zh-CN"] .section-heading,
html[lang="zh-CN"] .contact-heading {
  font-family: var(--sans);
  font-size: clamp(32px, 3.5vw, 49px);
  line-height: 1.35;
  letter-spacing: 0.015em;
  font-weight: 400;
}
html[lang="zh-CN"] .section-heading em,
html[lang="zh-CN"] .contact-heading em {
  font-style: normal;
}
html[lang="zh-CN"] .firm-copy .statement {
  font-family: var(--sans);
  font-size: clamp(24px, 2.5vw, 32px);
  line-height: 1.55;
}
html[lang="zh-CN"] .service-title h3 {
  font-family: var(--sans);
  font-size: 26px;
  line-height: 1.4;
}
html[lang="zh-CN"] .process h3,
html[lang="zh-CN"] .situation h3 {
  font-family: var(--sans);
  font-size: 23px;
  line-height: 1.55;
}
html[lang="zh-CN"] .hero-copy {
  max-width: 430px;
  line-height: 2;
}
html[lang="zh-CN"] .hero-copy .zh-tagline {
  display: block;
  color: var(--ink);
  font-size: 21px;
  margin-bottom: 9px;
  letter-spacing: 0.08em;
}
html[lang="zh-CN"] .service-copy > p,
html[lang="zh-CN"] .situation p {
  line-height: 2;
}

@media (max-width: 1050px) {
  .hero-grid {
    gap: 28px;
    grid-template-columns: minmax(0, 1.65fr) minmax(200px, 0.75fr);
  }
  .hero h1 {
    font-size: clamp(62px, 7.6vw, 80px);
  }
  .hero-art figcaption {
    font-size: 8px;
  }
  .firm-grid,
  .section-intro,
  .cross-border,
  .contact-grid {
    grid-template-columns: 1fr 2.4fr;
    gap: 40px;
  }
  .intro-body {
    display: block;
  }
  .intro-body p {
    margin-top: 22px;
    max-width: 480px;
  }
  .service-row {
    grid-template-columns: 30px 0.9fr 1.1fr;
    gap: 22px;
  }
  .process {
    gap: 24px;
  }
  .situation-grid {
    gap: 28px;
  }
  .contact-body {
    gap: 30px;
    grid-template-columns: 1fr;
  }
  .contact-body > p {
    max-width: 470px;
  }
}
@media (max-width: 760px) {
  .masthead .wrap {
    min-height: 83px;
    gap: 20px;
  }
  .navigation {
    gap: 19px;
  }
  .navigation .nav-firm {
    display: none;
  }
  .language {
    padding-left: 18px !important;
  }
  .hero-topline .location {
    display: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 32px;
  }
  .hero h1 {
    font-size: clamp(48px, 8.8vw, 70px);
  }
  .hero-art {
    display: none;
  }
  .hero-copy {
    max-width: 500px;
    margin-top: 25px;
  }
  .hero-base {
    margin-top: 43px;
    padding-block: 19px;
  }
  .hero-base p {
    font-size: 10px;
  }
  .firm {
    padding-block: 42px 52px;
  }
  .firm-grid,
  .section-intro,
  .cross-border,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .firm-aside {
    margin-top: 17px;
  }
  .firm-copy .statement {
    font-size: 32px;
    max-width: 580px;
  }
  .firm-copy > p:last-child {
    margin-top: 18px;
  }
  .section-intro {
    margin-bottom: 34px;
  }
  .section-heading {
    font-size: 50px;
  }
  .service-row {
    grid-template-columns: 28px 1fr;
    gap: 12px 18px;
    padding-block: 25px;
  }
  .service-title h3 {
    font-size: 34px;
  }
  .service-title .meta {
    margin-top: 9px;
  }
  .service-copy {
    grid-column: 2;
  }
  .service-copy > p {
    max-width: none;
  }
  .process {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .process h3 {
    margin-top: 17px;
  }
  .approach .section-intro {
    margin-bottom: 34px;
  }
  .approach-note {
    align-items: flex-start;
    gap: 14px;
    flex-direction: column;
    margin-top: 32px;
  }
  .situation-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .situation h3 {
    max-width: 100%;
    font-size: 34px;
    margin: 13px 0;
  }
  .situation p {
    max-width: 550px;
  }
  .cross-border {
    margin-top: 44px;
    gap: 20px;
  }
  .cross-border .cities {
    margin-top: 10px;
  }
  .contact {
    padding-block: 54px 44px;
  }
  .contact-heading {
    font-size: 66px;
  }
  .contact-body {
    margin-top: 25px;
    gap: 22px;
  }
  .contact-body .email {
    font-size: 16px;
  }
  .footer-main {
    align-items: flex-start;
    padding-block: 28px;
    gap: 25px;
    flex-direction: column;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 14px;
  }
  .footer-nav {
    gap: 27px;
  }
}
@media (max-width: 640px) {
  .masthead .wrap {
    flex-wrap: wrap;
    gap: 6px;
    padding-top: 20px;
    padding-bottom: 12px;
  }
  .navigation {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    font-size: 10px;
  }
  .navigation .nav-firm {
    display: block;
  }
  .language {
    padding-left: 15px !important;
  }
}
@media (max-width: 420px) {
  .hero {
    padding-top: 36px;
  }
  .hero h1 {
    font-size: clamp(40px, 12.4vw, 50px);
  }
  .hero-links {
    gap: 26px;
  }
  .hero-base {
    align-items: flex-start;
  }
  .hero-base p {
    max-width: 185px;
    text-align: right;
    line-height: 1.8;
  }
  .eyebrow {
    font-size: 9px;
  }
  .process {
    gap: 26px 22px;
  }
  .process h3 {
    font-size: 29px;
  }
  .contact-heading {
    font-size: 58px;
  }
  .contact-body .email {
    font-size: 14px;
  }
  .footer-nav {
    gap: 22px;
  }
  html[lang="zh-CN"] .process h3 {
    font-size: 21px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}