@font-face {
  font-family: Manrope;
  src: url('/assets/manrope-medium.ttf') format('truetype');
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
:root {
  --bg: #141615;
  --fg: #f1f1e9;
  --muted: #aeb4aa;
  --line: #ffffff26;
  --accent: #f05b3d;
  --accent-light: #ff8164;
  --surface: #1d211e;
  --pad: max(
    clamp(24px, 4.4vw, 88px),
    env(safe-area-inset-left),
    env(safe-area-inset-right)
  );
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}
* {
  box-sizing: border-box;
}
html {
  color-scheme: dark;
  scroll-behavior: auto;
  scroll-padding-top: 32px;
  scrollbar-color: #62695f var(--bg);
}
html.anchor-scrolling {
  overflow-anchor: none;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Manrope, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
button,
summary {
  touch-action: manipulation;
}
::selection {
  background: var(--accent);
  color: #141615;
}
:focus-visible {
  outline: 2px solid var(--focus, var(--accent-light));
  outline-offset: 6px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2 {
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.12;
  text-wrap: balance;
}
h1 {
  font-size: clamp(3rem, 6.4vw, 6rem);
}
h2 {
  font-size: clamp(2.3rem, 4.3vw, 4.2rem);
}
h3 {
  font-weight: 500;
  font-size: 24px;
  line-height: 1.4;
  letter-spacing: -0.02em;
}
a svg,
button svg,
.service-toggle svg {
  width: 20px;
  height: 20px;
  flex: none;
}
a {
  text-underline-offset: 6px;
}
a svg {
  transition: transform 0.22s ease-out;
}
a:hover > svg {
  transform: translate(2px, -2px);
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 24px;
  background: var(--accent);
  color: var(--bg);
  padding: 12px;
  z-index: 100;
  transform: translateY(-180%);
}
.skip-link:focus {
  transform: translateY(0);
}
.header {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 5;
  background: var(--bg);
}
.header nav,
.header-actions {
  display: flex;
  align-items: center;
  gap: 36px;
  font-size: 14px;
}
.header nav a {
  padding: 12px 0;
}
.header nav a:hover,
.language-switch:hover {
  color: var(--accent-light);
}
.contact-small {
  border: 1px solid #777c72;
  padding: 10px 18px;
  display: flex;
  gap: 25px;
  align-items: center;
  transition: background 0.2s;
}
.contact-small:hover {
  background: #2d322c;
}
.language-switch {
  padding: 12px 0;
  min-width: 44px;
  text-align: center;
}
.menu-button {
  display: none;
}
.hero {
  min-height: min(760px, calc(100svh - 100px));
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: #1d211e;
  background-image:
    linear-gradient(90deg, #101413ab, #10141305 85%),
    linear-gradient(0deg, #141615, transparent 35%),
    url('/assets/port-night.jpg');
  background-size: cover;
  background-position: center;
  animation: port-arrival 1.2s var(--ease-out) both;
}
.hero-inner {
  padding: 84px var(--pad) 75px;
}
.hero h1 {
  max-width: 1200px;
  text-wrap: initial;
}
.hero h1 span {
  color: #bbc0b7;
}
.hero-bottom {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 32px;
}
.hero-bottom p {
  max-width: 580px;
  color: #d4d6cf;
  font-size: 18px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 17px 23px;
  background: var(--accent);
  color: #141615;
  font-size: 14px;
  font-weight: 650;
  border: 1px solid var(--accent);
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  transform: translateY(-2px);
}
.hero-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 var(--pad);
  padding: 23px 0;
  border-top: 1px solid #ffffff30;
  color: #c5c9c0;
  font-size: 12px;
  letter-spacing: 0.06em;
}
.hero-caption a {
  font-size: 14px;
  letter-spacing: 0;
  display: flex;
  align-items: center;
  gap: 18px;
}
.hero-caption a:hover svg {
  transform: translateY(3px);
}
.capability-ribbon {
  display: grid;
  grid-template-columns:
    minmax(0, calc(25% + var(--pad) / 2))
    repeat(2, minmax(0, 1fr))
    minmax(0, calc(25% + var(--pad) / 2));
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.capability-ribbon a {
  padding: 28px 22px;
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  border-right: 1px solid var(--line);
  color: #c6cbc1;
}
.capability-ribbon a:first-child {
  padding-left: var(--pad);
}
.capability-ribbon a:last-child {
  border: 0;
  padding-right: var(--pad);
}
.capability-ribbon a svg {
  width: 14px;
  color: var(--accent);
}
.capability-ribbon a:hover {
  color: #fff;
}
.section {
  padding: 112px var(--pad);
}
.section-intro {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 9%;
  align-items: start;
  margin-bottom: 70px;
}
.section-intro p {
  color: var(--muted);
  max-width: 590px;
}
.section-intro > p {
  padding-top: 6px;
}
.service {
  border-top: 1px solid var(--line);
  scroll-margin-top: 36px;
}
.service:last-child {
  border-bottom: 1px solid var(--line);
}
.service summary {
  display: grid;
  grid-template-columns: 1fr 1fr 44px;
  gap: 5%;
  align-items: center;
  padding: 30px 0;
  cursor: pointer;
  list-style: none;
}
.service summary::-webkit-details-marker {
  display: none;
}
.service-title {
  font-size: 27px;
  letter-spacing: -0.025em;
  line-height: 1.35;
}
.service-subtitle {
  font-size: 14px;
  color: var(--muted);
}
.service-toggle {
  width: 40px;
  height: 40px;
  border: 1px solid #657060;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.service summary:hover .service-toggle {
  background: #343d32;
}
.service[open] .service-toggle {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  transform: rotate(45deg);
}
.service-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9%;
  padding: 0 0 38px;
}
.service-body > p {
  max-width: 560px;
  color: #bec4b9;
}
.service-extra ul {
  list-style: none;
  margin: 0 0 21px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 9px 16px;
}
.service-extra li {
  font-size: 13px;
  color: #e0e4d9;
  line-height: 1.65;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.service-extra li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent);
  flex: none;
}
.service-extra > p {
  font-size: 14px;
  color: var(--muted);
  max-width: 580px;
}
.intelligence {
  background: #1b1f1b;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  margin-top: 27px;
  font-size: 14px;
  color: var(--fg);
  padding-bottom: 8px;
  border-bottom: 1px solid #8a9484;
}
.text-link:hover {
  color: var(--accent-light);
}
.ai-workspace {
  border: 1px solid #495244;
  box-shadow: none;
  background: #141814;
}
.workspace-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  background: #262d25;
  border-bottom: 1px solid #495244;
  gap: 16px;
  font-size: 12px;
  color: #bac5b3;
  letter-spacing: 0.04em;
}
.workspace-brand {
  font-size: 14px;
  display: flex;
  gap: 10px;
  align-items: center;
  color: #e8eddf;
  letter-spacing: 0;
}
.demo-layout {
  display: grid;
  grid-template-columns: 290px 1fr;
  min-height: 445px;
}
.demo-sidebar {
  border-right: 1px solid #394333;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 25px 16px;
}
.demo-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.demo-tab {
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 15px;
  text-align: left;
  font-size: 14px;
  line-height: 1.5;
  color: #b5c0ae;
  min-height: 63px;
}
.demo-tab > svg {
  margin-left: auto;
  width: 14px;
  opacity: 0;
}
.demo-tab[aria-selected='true'] {
  background: #2d3729;
  color: #f1f6e7;
}
.demo-tab[aria-selected='true'] > svg {
  opacity: 1;
  color: var(--accent-light);
}
.demo-tab:hover {
  background: #242d21;
}
.step-number {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: #b3bfa9;
}
.demo-caption {
  font-size: 12px;
  color: #a5b29b;
  line-height: 1.7;
  padding: 30px 15px 5px;
}
.demo-stage {
  padding: 35px 38px;
  min-width: 0;
}
.panel-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  margin-bottom: 18px;
  color: #a9b79e;
}
.demo-tag {
  color: #eeb299;
  font-size: 12px;
  letter-spacing: 0.055em;
  text-align: right;
}
.demo-panel h3 {
  font-size: 23px;
  color: #e9efdf;
}
.panel-description {
  font-size: 14px;
  color: #aebb9f;
  margin-top: 7px;
}
.evidence-content {
  margin-top: 27px;
  border-top: 1px solid #394333;
  padding-top: 20px;
  font-size: 14px;
  color: #c7d1bc;
}
.mail-head {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  color: #a6b49a;
  font-size: 12px;
}
.evidence-content blockquote {
  margin: 20px 0;
  color: #e2e9d8;
  font-size: 17px;
  line-height: 1.8;
  max-width: 640px;
}
.attachment {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 12px;
}
.attachment span:first-child {
  border: 1px solid #56614c;
  padding: 6px 12px;
  color: #d7e2cb;
}
.attachment span:last-child {
  color: #a6b49a;
}
.demo-note {
  color: #aebb9f;
  font-size: 12px;
  border-top: 1px solid #394333;
  padding-top: 16px;
  margin-top: 24px;
}
.analysis-row {
  display: grid;
  grid-template-columns: 155px 1fr;
  gap: 20px;
  padding: 11px 0;
  border-bottom: 1px solid #2c3528;
}
.analysis-row > span {
  color: #aebb9f;
  font-size: 12px;
}
.analysis-row > strong {
  font-weight: 500;
}
.decision-title {
  font-size: 12px;
  color: #aebb9f;
}
.decision-copy {
  margin: 10px 0 16px;
  color: #e2e9d8;
  font-size: 16px;
}
.decision-check {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 13px;
  margin-top: 7px;
}
.check-mark {
  width: 18px;
  height: 18px;
  flex: none;
  color: #eeb299;
}
.workspace-bottom {
  display: flex;
  justify-content: center;
  gap: 8%;
  border-top: 1px solid #394333;
  padding: 15px 20px;
  font-size: 12px;
  color: #b7c3ac;
}
.workspace-bottom span {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
}
.workspace-bottom span:before {
  content: '';
  width: 4px;
  height: 4px;
  background: #f05b3d;
  border-radius: 50%;
}
.demo-panel[hidden] {
  display: none;
}
.company {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 7%;
  padding-top: 135px;
  padding-bottom: 135px;
}
.company h2 {
  font-size: clamp(2.4rem, 4.1vw, 4rem);
}
.company h2 span {
  color: #a3ab9d;
}
.company-copy p {
  color: #c3c9bd;
  max-width: 560px;
}
.company-copy p + p {
  margin-top: 24px;
  color: var(--muted);
}
.company-note {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent-light);
  margin-top: 32px;
}
.contact-section {
  --focus: #141615;
  padding: 78px var(--pad) 58px;
  background: var(--accent);
  color: #191b17;
}
.contact-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: flex-start;
}
.contact-top h2 {
  font-size: clamp(2.5rem, 4.2vw, 4.1rem);
}
.contact-top p {
  font-size: 14px;
  color: #3b281e;
}
.email-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid #191b1760;
  padding: 38px 0 18px;
  font-size: clamp(1.4rem, 4vw, 3.8rem);
  letter-spacing: -0.035em;
  line-height: 1.3;
}
.email-link > svg {
  height: 56px;
  width: 56px;
}
.email-link:hover {
  color: #000;
}
.email-link:hover > svg {
  transform: translate(5px, -5px);
}
footer {
  padding: 52px var(--pad) 25px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-bottom: 40px;
}
.footer-top > p {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
  text-align: right;
  line-height: 2;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 12px;
}
.footer-legal {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 0;
}
.footer-legal > span {
  color: #8f968b;
}
.footer-legal a {
  position: relative;
  margin-left: 16px;
  padding-left: 17px;
  color: #949b91;
  transition: color 0.2s ease-out;
}
.footer-legal a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 12px;
  background: #ffffff24;
  transform: translateY(-50%);
}
.footer-legal a:hover {
  color: var(--muted);
}
.footer-bottom a {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-bottom a svg {
  transform: rotate(180deg);
  width: 15px;
}
.footer-bottom a:hover svg {
  transform: translateY(-3px) rotate(180deg);
}
html[lang='zh-CN'] h1,
html[lang='zh-CN'] h2 {
  letter-spacing: -0.03em;
  line-height: 1.26;
}
html[lang='zh-CN'] .hero h1 {
  font-size: clamp(3rem, 6.2vw, 5.7rem);
}
html[lang='zh-CN'] .service-title {
  font-size: 25px;
}
html[lang='zh-CN'] .section-intro {
  align-items: center;
}
html[lang='zh-CN'] .company-note {
  letter-spacing: 0.15em;
}
html[lang='zh-CN'] .section-intro p,
html[lang='zh-CN'] .company-copy p {
  line-height: 1.9;
}
@keyframes port-arrival {
  from {
    transform: scale(1.025);
    opacity: 0.75;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}
@media (min-width: 1750px) {
  .hero-media {
    background-position: center 60%;
  }
  .hero-inner {
    padding-top: 100px;
  }
}
@media (max-width: 1050px) {
  .header nav,
  .header-actions {
    gap: 24px;
  }
  .hero-inner {
    padding-top: 80px;
  }
  .section-intro {
    gap: 6%;
    grid-template-columns: 1.15fr 1fr;
  }
  .demo-layout {
    grid-template-columns: 245px 1fr;
  }
  .demo-stage {
    padding: 28px;
  }
  .demo-tab {
    gap: 10px;
    padding: 18px 10px;
  }
  .demo-tab > svg {
    display: none;
  }
  .company {
    gap: 6%;
  }
  .analysis-row {
    grid-template-columns: 125px 1fr;
  }
  .contact-top {
    flex-direction: column;
    gap: 24px;
  }
}
@media (max-width: 760px) {
  :root {
    --pad: 24px;
  }
  .header {
    height: 80px;
  }
  .header nav {
    display: none;
  }
  .header-actions {
    gap: 22px;
  }
  .contact-small {
    display: none;
  }
  .menu-button {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: 0;
    padding: 8px;
  }
  .menu-button span {
    width: 21px;
    height: 1px;
    background: var(--fg);
    transition: transform 0.2s;
  }
  .menu-open .menu-button span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }
  .menu-open .menu-button span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }
  .header.menu-open nav {
    position: absolute;
    top: 79px;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px var(--pad) 20px;
    background: #1d211e;
    border-bottom: 1px solid #68715f;
  }
  .header.menu-open nav a {
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }
  .hero {
    min-height: 680px;
  }
  .hero-inner {
    padding-top: 66px;
    padding-bottom: 72px;
  }
  .hero h1 {
    font-size: clamp(2.6rem, 7.85vw, 3.7rem);
    line-height: 1.16;
  }
  .hero-media {
    background-position: 59% center;
    background-image:
      linear-gradient(90deg, #101413bb, #10141330),
      linear-gradient(0deg, #141615, transparent 55%),
      url('/assets/port-night.jpg');
  }
  .hero h1 span {
    color: #bdc4b5;
  }
  .hero-bottom {
    gap: 29px;
    margin-top: 33px;
  }
  .hero-bottom p {
    font-size: 16px;
    max-width: 450px;
    line-height: 1.8;
  }
  .hero-caption {
    gap: 20px;
    padding: 21px 0;
  }
  .hero-caption > span {
    max-width: 180px;
    font-size: 11px;
  }
  .hero-caption > a {
    font-size: 12px;
    gap: 10px;
    white-space: nowrap;
  }
  .capability-ribbon {
    grid-template-columns: 1fr 1fr;
  }
  .capability-ribbon a {
    font-size: 12px;
    padding: 21px 15px !important;
    gap: 12px;
  }
  .capability-ribbon a:nth-child(odd) {
    padding-left: var(--pad) !important;
  }
  .capability-ribbon a:nth-child(even) {
    border-right: 0;
    padding-right: var(--pad) !important;
  }
  .capability-ribbon a:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
  .section {
    padding: 76px var(--pad);
  }
  .section-intro {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 44px;
  }
  .section-intro h2 {
    font-size: clamp(2.15rem, 7vw, 3.2rem);
  }
  .section-intro p {
    font-size: 16px;
  }
  .service summary {
    grid-template-columns: 1fr 40px;
    gap: 20px;
    padding: 26px 0;
  }
  .service-title {
    font-size: 25px;
  }
  .service-subtitle {
    display: none;
  }
  .service-body {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-bottom: 28px;
  }
  .service-body > p {
    font-size: 15px;
  }
  .service-extra > p {
    font-size: 14px;
  }
  .service-extra ul {
    margin-bottom: 17px;
  }
  .service-toggle {
    width: 36px;
    height: 36px;
  }
  .workspace-top {
    padding: 18px;
    flex-wrap: wrap;
    gap: 7px;
    font-size: 10px;
  }
  .workspace-brand {
    font-size: 13px;
  }
  .demo-layout {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .demo-sidebar {
    border-right: 0;
    border-bottom: 1px solid #394333;
    padding: 10px 12px 13px;
  }
  .demo-tabs {
    gap: 2px;
    flex-direction: row;
  }
  .demo-tab {
    flex: 1;
    flex-direction: column;
    gap: 7px;
    padding: 12px 5px;
    font-size: 12px;
    line-height: 1.5;
    text-align: center;
    justify-content: flex-start;
    min-width: 0;
  }
  .demo-caption {
    padding: 9px 0 0;
    text-align: center;
    font-size: 11px;
  }
  .demo-stage {
    padding: 23px 19px;
    min-height: 485px;
  }
  .panel-top {
    gap: 12px;
  }
  .demo-tag {
    font-size: 10px;
  }
  .demo-panel h3 {
    font-size: 21px;
  }
  .panel-description {
    font-size: 13px;
  }
  .evidence-content {
    margin-top: 22px;
  }
  .mail-head {
    flex-direction: column;
    gap: 5px;
  }
  .evidence-content blockquote {
    font-size: 16px;
    line-height: 1.85;
  }
  .attachment {
    gap: 12px;
    flex-wrap: wrap;
  }
  .demo-note {
    font-size: 12px;
  }
  .analysis-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 12px 0;
  }
  .workspace-bottom {
    gap: 10px;
    padding: 16px 12px;
    justify-content: space-around;
  }
  .workspace-bottom span {
    font-size: 10px;
    gap: 0;
    text-align: center;
  }
  .workspace-bottom span:before {
    display: none;
  }
  .company {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .company h2 {
    font-size: clamp(2.1rem, 7vw, 3.2rem);
  }
  .company-note {
    margin-top: 24px;
    font-size: 11px;
  }
  .company-copy p {
    font-size: 16px;
  }
  .contact-section {
    --focus: #141615;
    padding: 56px var(--pad) 42px;
  }
  .contact-top h2 {
    font-size: clamp(2.2rem, 7.2vw, 3.2rem);
  }
  .contact-top p {
    font-size: 14px;
  }
  .email-link {
    font-size: clamp(1.25rem, 5vw, 2rem);
    gap: 10px;
    padding-top: 32px;
  }
  .email-link > svg {
    width: 26px;
    height: 26px;
  }
  footer {
    padding-top: 40px;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 25px;
    padding-bottom: 30px;
  }
  .footer-top > p {
    text-align: left;
    font-size: 11px;
  }
  .footer-bottom {
    align-items: flex-end;
    font-size: 11px;
    gap: 24px;
  }
  .footer-legal {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
    line-height: 1.65;
  }
  .footer-legal a {
    min-height: 36px;
    margin-left: 0;
    padding: 8px 0 7px;
  }
  .footer-legal a::before {
    display: none;
  }
  .back-to-top {
    gap: 5px;
    white-space: nowrap;
  }
  html[lang='zh-CN'] .hero h1 {
    font-size: clamp(2.5rem, 8vw, 3.65rem);
    line-height: 1.3;
  }
  html[lang='zh-CN'] .demo-stage {
    min-height: 425px;
  }
  html[lang='zh-CN'] .panel-description {
    font-size: 14px;
  }
}
@media (max-width: 370px) {
  :root {
    --pad: 20px;
  }
  .header-actions {
    gap: 15px;
  }
  .hero h1 {
    font-size: 2.25rem;
  }
  .hero-caption > span {
    max-width: 150px;
  }
  .hero-caption > a {
    gap: 4px;
  }
  .demo-stage {
    padding: 21px 15px;
  }
  .workspace-top {
    padding: 16px;
  }
  .hero-caption svg {
    width: 16px;
  }
}

/* Original symbol and English lettering share the visible capital-T height.
   T: 31.033 units / wordmark viewBox 294.5; symbol artwork 215.5 / box 217.5. */
.brand,
.footer-wordmark {
  --wordmark-width: 146px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
  line-height: 1;
  min-height: 44px;
  translate: none;
}
.brand .brand-wordmark,
.footer-wordmark .brand-wordmark {
  display: block;
  width: var(--wordmark-width);
  height: auto;
}
.brand .brand-symbol,
.footer-wordmark .brand-symbol {
  display: block;
  height: calc(var(--wordmark-width)*0.10635);
  width: auto;
  transform: translateY(0.2px);
}
.footer-wordmark {
  --wordmark-width: 225px;
  gap: 16px;
}
.footer-top {
  padding: 10px 0 38px;
}
.footer-cn {
  color: #d1d6cd;
  font-size: 14px;
  letter-spacing: 0.18em;
}
.footer-top > p {
  line-height: 1.9;
}
.workspace-symbol {
  display: block;
  width: 18px;
  height: auto;
}
.demo-stage {
  position: relative;
  display: grid;
}
.demo-panel {
  grid-area: 1/1;
  min-width: 0;
}
.demo-panel[hidden] {
  display: block;
  visibility: hidden;
  pointer-events: none;
}
.section-intro > * {
  min-width: 0;
}
.service-body > * {
  min-width: 0;
}
.service-extra li {
  font-size: 14px;
}
.back-to-top,
.text-link {
  min-height: 44px;
}
.text-link {
  align-items: center;
}
.email-link {
  overflow-wrap: anywhere;
}
/* The opening is a single, finite sequence. All content is visible without JS. */
@keyframes headline-arrival {
  from {
    transform: translateY(14px);
    opacity: 0.35;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
@keyframes line-arrival {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}
.hero h1 {
  animation: headline-arrival 0.8s var(--ease-out) both;
}
.hero h1 > span {
  display: inline-block;
  animation: headline-arrival 0.8s 0.08s var(--ease-out) both;
}
.hero-caption {
  position: relative;
}
.hero-caption:before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 96px;
  height: 1px;
  background: var(--accent);
  transform-origin: left;
  animation: line-arrival 0.8s 0.12s var(--ease-out) both;
}
/* One stroke carries navigation and contact feedback. */
.header nav a,
.language-switch,
.email-link,
.text-link {
  position: relative;
}
.header nav a:after,
.language-switch:after,
.email-link:after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease-out);
}
.header nav a:is(:hover, :focus-visible):after,
.language-switch:is(:hover, :focus-visible):after,
.email-link:is(:hover, :focus-visible):after {
  transform: scaleX(1);
  transform-origin: left;
}
.header nav a[aria-current='location'] {
  color: var(--accent-light);
}
.header nav a[aria-current='location']:after {
  transform: scaleX(1);
  transform-origin: left;
}
.button,
.contact-small {
  transition:
    background 0.18s,
    transform 0.18s var(--ease-out),
    border-color 0.18s;
}
.button:active,
.contact-small:active {
  transform: translateY(1px);
}
.button > svg,
.contact-small > svg,
.capability-ribbon svg,
.text-link svg {
  transition: transform 0.3s var(--ease-out);
}
.button:is(:hover, :focus-visible) > svg,
.contact-small:is(:hover, :focus-visible) > svg,
.capability-ribbon a:is(:hover, :focus-visible) > svg,
.text-link:is(:hover, :focus-visible) > svg {
  transform: translate(3px, -3px);
}
.capability-ribbon a {
  transition:
    color 0.2s,
    background-color 0.2s;
}
.capability-ribbon a:is(:hover, :focus-visible) {
  background: #ffffff05;
}
.capability-ribbon a:focus-visible {
  outline-offset: -3px;
}
.service-toggle {
  transition:
    transform 0.35s var(--ease-out),
    background 0.2s,
    border-color 0.2s;
}
.service summary:is(:hover, :focus-visible) .service-title {
  color: var(--accent-light);
}
.service-title {
  transition: color 0.18s;
}
.service-body {
  transform-origin: top;
}
.service.is-closing .service-toggle {
  transform: rotate(0);
  background: transparent;
  border-color: #657060;
  color: var(--fg);
}
/* Shared selection surface moves while the semantic tab changes immediately. */
.demo-tabs {
  position: relative;
  isolation: isolate;
}
.demo-tab {
  position: relative;
  background: transparent !important;
  z-index: 1;
  transition: color 0.18s;
}
.demo-tab:before {
  content: '';
  position: absolute;
  inset: 0;
  background: #2d3729;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.18s;
}
.demo-tab[aria-selected='true']:before {
  opacity: 1;
}
.demo-tab[aria-selected='true'] > svg {
  transition:
    opacity 0.2s,
    transform 0.3s var(--ease-out);
}
.demo-tab:not([aria-selected='true']):hover:before {
  opacity: 0.45;
}
.tab-highlight {
  position: absolute;
  top: 0;
  left: 0;
  background: #2d3729;
  pointer-events: none;
  z-index: 0;
  will-change: auto;
}
.has-tab-highlight .demo-tab[aria-selected='true']:before {
  opacity: 0;
}
@media (max-width: 760px) {
  :root {
    --pad: max(24px, env(safe-area-inset-left), env(safe-area-inset-right));
  }
  .brand {
    --wordmark-width: 132px;
    gap: 10px;
  }
  .footer-wordmark {
    --wordmark-width: 198px;
    gap: 14px;
  }
  .footer-top {
    gap: 28px;
    padding-top: 0;
  }
  .footer-cn {
    font-size: 13px;
  }
  .workspace-bottom span,
  .demo-tag,
  .workspace-top,
  .demo-caption,
  .hero-caption > span {
    font-size: 12px;
  }
  .capability-ribbon a,
  .demo-tab {
    font-size: 14px;
  }
  .demo-tabs {
    gap: 4px;
  }
  .demo-stage,
  html[lang='zh-CN'] .demo-stage {
    min-height: 0;
  }
  .workspace-bottom {
    flex-wrap: wrap;
    gap: 10px 20px;
  }
  .header nav,
  .header.menu-open nav {
    position: absolute;
    top: 79px;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px var(--pad) 20px;
    background: #1d211e;
    border-bottom: 1px solid #68715f;
    max-height: calc(100svh - 80px);
    overflow-y: auto;
    overscroll-behavior: contain;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition:
      opacity 0.16s,
      transform 0.22s var(--ease-out),
      visibility 0s 0.22s;
  }
  .header.menu-open nav {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    transition-delay: 0s;
  }
  .header nav a {
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }
  .header nav a:after {
    bottom: -1px;
  }
  .hero h1 > span {
    display: inline;
  }
  .panel-description {
    font-size: 14px;
  }
  .panel-top {
    flex-wrap: wrap;
    gap: 8px;
  }
  .footer-top > p,
  .footer-bottom,
  .company-note {
    font-size: 12px;
  }
}
@media (max-width: 370px) {
  :root {
    --pad: max(20px, env(safe-area-inset-left), env(safe-area-inset-right));
  }
  .brand {
    --wordmark-width: 118px;
  }
  .header-actions {
    gap: 8px;
  }
  .demo-tab {
    font-size: 12px;
  }
  .email-link {
    font-size: 1.2rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
  .header nav {
    transform: none;
  }
  .button:hover,
  .button:active,
  .contact-small:active,
  a:hover > svg {
    transform: none;
  }
}

/* Wordmark leads the navigation; the complete identity signs the footer. */
.brand {
  --wordmark-width: 166px;
}
.footer-wordmark {
  min-height: 59px;
}
.footer-wordmark .footer-lockup {
  display: block;
  width: 240px;
  height: auto;
}
.workspace-symbol {
  width: 21px;
}
@media (max-width: 760px) {
  .brand {
    --wordmark-width: 150px;
  }
  .footer-wordmark .footer-lockup {
    width: 210px;
  }
}
@media (max-width: 370px) {
  .brand {
    --wordmark-width: 140px;
  }
}

/* Keep the two-line English headline readable on compact screens. */
@media (max-width: 760px) {
  html[lang='en'] .hero h1 {
    font-size: clamp(1.95rem, 8.1vw, 3.7rem);
    line-height: 1.2;
  }
}
@media (max-width: 370px) {
  html[lang='en'] .hero h1 {
    font-size: 1.7rem;
  }
}