:root {
  --navy: #09182a;
  --ink: #10213a;
  --steel: #335b82;
  --muted: #51657c;
  --mist: #edf1f5;
  --line: #cbd7e4;
  --gutter: clamp(20px, 6vw, 110px);
  font: 16px/1.65 "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: white; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid #6a9dd0; outline-offset: 4px; }
.skip { position: fixed; top: -100px; left: 20px; z-index: 5; padding: 12px; background: white; }
.skip:focus { top: 10px; }
.header {
  position: absolute; inset: 0 0 auto; z-index: 2;
  display: flex; align-items: center; gap: 32px;
  padding: 26px var(--gutter); color: white;
}
.brand { flex-shrink: 0; }
.wordmark { display: inline-block; font-size: clamp(20px, 2.05vw, 34px); font-weight: 850; letter-spacing: -.055em; line-height: 1.1; }
.wordmark b { font-size: .69em; letter-spacing: 0; margin-left: .4em; white-space: nowrap; }
.header nav { margin-left: auto; display: flex; gap: clamp(15px, 2.3vw, 38px); align-items: center; }
.header nav a, .nav-cta { font-size: 13px; font-weight: 600; white-space: nowrap; }
.header nav a:hover, .text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.nav-cta { border: 1px solid #ffffff66; border-radius: 5px; padding: 10px 18px; }
.menu-toggle { display: none; }
.hero {
  min-height: min(860px, 100svh);
  display: grid; align-items: center;
  color: #fff;
  background: linear-gradient(90deg,#061426ed 0%,#061426b8 34%,#06142623 78%), linear-gradient(0deg,#07162658,transparent 40%), url("assets/horizon.jpg") center/cover, var(--navy);
}
.hero-content { padding: 150px var(--gutter) 95px; }
.eyebrow { margin: 0 0 14px; font-size: 16px; font-weight: 650; }
.hero h1 { font-size: clamp(42px, 6.25vw, 100px); letter-spacing: -.065em; line-height: 1.12; margin: 0; font-weight: 800; }
.hero-desc { max-width: 420px; margin: 28px 0 0; color: #e0ebf7; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; justify-content: center; align-items: center; padding: 11px 19px; min-height: 46px; border-radius: 5px; border: 1px solid transparent; font-size: 14px; font-weight: 650; }
.primary, .mint { background: white; color: var(--ink); }
.primary:hover, .mint:hover { background: var(--mist); }
.secondary { border-color: #ffffff66; }
.secondary:hover, .nav-cta:hover { background: #ffffff18; }
.section { padding: clamp(60px, 8vw, 120px) var(--gutter); }
.light { background: #fff; }
.approach, .delivery { background: var(--mist); }
.section-kicker { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 16px; color: var(--muted); font-size: 12px; font-weight: 600; }
.section-kicker span:first-child, .mono { font-size: 11px; letter-spacing: .07em; font-weight: 700; }
.section-heading { margin: 35px 0; display: flex; justify-content: space-between; align-items: end; gap: 30px; }
h2 { font-size: clamp(32px, 4vw, 64px); line-height: 1.2; letter-spacing: -.05em; margin: 0; font-weight: 760; }
.heading-aside p, .heading-description { color: var(--muted); margin: 0; }
.comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.comparison > div { padding: clamp(23px, 4vw, 55px); background: white; }
.comparison .new-way { background: var(--navy); color: white; }
.comparison h3, .scene-copy h3 { margin: 12px 0 20px; font-size: clamp(21px, 2.8vw, 40px); letter-spacing: -.04em; line-height: 1.2; }
.comparison p, .statement p { margin-bottom: 0; font-size: 14px; }
.old-flow, .new-flow { display: flex; flex-wrap: wrap; gap: 8px; }
.old-flow span, .new-flow span, .new-flow strong, .scene-chips span { padding: 6px 11px; border: 1px solid var(--line); font-size: 12px; border-radius: 3px; }
.new-flow i { display: none; }
.statement { margin-top: 25px; display: flex; justify-content: space-between; gap: 20px; align-items: start; }
.statement > span { font-weight: 700; font-size: 19px; }
.system { background: var(--navy); color: white; }
.system .section-kicker, .contact .section-kicker { color: #bfcee0; border-color: #ffffff38; }
.system-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; margin-top: 40px; }
.system-copy p, .contact p { color: #c8d6e5; }
.system-caption { display: none; }
.text-link { display: inline-block; color: inherit; background: transparent; border: 0; border-bottom: 1px solid currentColor; padding: 4px 0; font-size: 14px; font-weight: 650; }
.system-map { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid #ffffff38; }
.system-map article { padding: 22px; border: 1px solid #ffffff20; }
.system-map small, .system-map p { color: #b8c9db; font-size: 13px; }
.system-map h3 { margin: 7px 0 0; }
.system-map p { margin: 5px 0 0; }
.solution-tabs { display: flex; border-bottom: 1px solid var(--line); }
.solution-tabs button { flex: 1; text-align: left; padding: 12px; background: white; color: var(--muted); border: 0; border-bottom: 2px solid transparent; font-size: 13px; }
.solution-tabs span { margin-left: 6px; font-weight: 650; }
.solution-tabs [aria-selected=true] { color: var(--ink); border-color: var(--steel); }
.solution-panel { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; padding-top: 33px; }
.scene-copy p, .scene-note { color: var(--muted); }
.scene-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.scene-visual { background: var(--mist); padding: 22px; }
.visual-topline { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 10px; }
.workflow-goal { margin: 17px 0 12px; background: white; padding: 12px; border-left: 3px solid var(--steel); }
.workflow-goal > * { display: block; }
.workflow-goal small, .workflow-goal span { color: var(--muted); font-size: 10px; }
.workflow-agents { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.workflow-agents div { padding: 10px; background: white; }
.workflow-agents strong, .workflow-agents small { display: block; font-size: 12px; }
.workflow-output, .scene-note { font-size: 12px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.steps article { border-top: 1px solid var(--line); padding-top: 13px; }
.step-number { font-size: 32px; color: var(--steel); font-weight: 700; }
.steps h3 { margin: 8px 0; }
.steps p, .steps small { color: var(--muted); font-size: 13px; }
.people { display: grid; grid-template-columns: 1fr 1fr; background: #e3eaf1; }
.people-photo { min-height: 530px; position: relative; color: white; overflow: hidden; }
.people-photo img { position: absolute; width: 100%; height: 100%; object-fit: cover; }
.people-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg,#09182acb,transparent 75%); }
.photo-caption { position: absolute; top: 18px; right: 18px; z-index: 1; background: #09182ac9; padding: 3px 7px; font-size: 12px; }
.photo-caption span { display: none; }
.people-photo h2 { position: absolute; z-index: 1; bottom: 35px; left: 8%; }
.people-content { padding: 48px clamp(22px, 5vw, 75px); }
.people-intro { font-size: 19px; font-weight: 600; }
.culture-list { margin-bottom: 20px; }
.culture-list details { border-top: 1px solid #b4c3d2; padding: 12px 0; }
.culture-list summary { cursor: pointer; display: block; font-weight: 700; }
.culture-number, .culture-list summary b { display: none; }
.culture-list summary small, .culture-list details p, .people-footnote { display: block; color: var(--muted); font-size: 13px; font-weight: 400; }
.culture-list details p { margin-bottom: 0; }
.people-footnote { margin-top: 12px; }
.contact { background: var(--navy); color: white; }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 35px; }
form label { display: block; font-size: 14px; }
textarea, input { width: 100%; border: 1px solid #ffffff46; border-radius: 4px; background: #ffffff0b; color: white; padding: 9px 11px; margin-top: 5px; }
textarea::placeholder, input::placeholder { color: #b1bfd0; }
textarea { resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.form-note, #form-status { font-size: 12px; }
.footer { background: #06111e; color: white; padding: 30px var(--gutter); }
.footer-top, .footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 15px; flex-wrap: wrap; font-size: 13px; }
.footer-bottom { border-top: 1px solid #ffffff38; padding-top: 18px; margin-top: 18px; color: #bbccdf; }
.footer-bottom button, .dialog-close { color: inherit; background: transparent; border: 0; }
dialog { max-width: calc(100% - 32px); width: 530px; padding: 32px; border: 1px solid var(--line); color: var(--ink); }
dialog::backdrop { background: #071526b8; }
.dialog-close { float: right; font-size: 13px; }
.info-dialog h2 { font-size: 29px; margin: 12px 0; }
.info-dialog .button { background: var(--navy); color: white; }
@media (max-width: 950px) {
  .header { gap: 16px; }
  .header nav { gap: 14px; }
  .nav-cta { display: none; }
}
@media (max-width: 730px) {
  .header { justify-content: space-between; padding-block: 20px; }
  .header nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 18px var(--gutter); background: var(--navy); }
  .header nav.open { display: grid; gap: 16px; }
  .menu-toggle { display: block; color: white; background: transparent; border: 1px solid #ffffff66; border-radius: 4px; padding: 6px 10px; font-size: 13px; }
  .hero { min-height: max(540px, 88svh); background-position: 58% center; }
  .hero-content { padding-top: 115px; padding-bottom: 70px; }
  .hero-desc { max-width: 270px; font-size: 14px; }
  .section-heading, .statement { display: block; }
  .heading-description, .heading-aside { margin-top: 14px; }
  .comparison, .system-layout, .solution-panel, .people, .contact-layout { grid-template-columns: 1fr; gap: 24px; }
  .comparison { gap: 1px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 19px; }
  .people-photo { min-height: 370px; }
  .section-kicker span:first-child { font-size: 9px; }
  .workflow-agents div { padding: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.wordmark > span { display: inline-block; letter-spacing: 0; transform: scale(1.05, .84); transform-origin: left bottom; margin-right: .24em; }
.hero-desc { max-width: 520px; }
.section-image { margin: 0; }
.section-image img { display: block; width: 100%; object-fit: cover; }
.section-image img { aspect-ratio: 2.6; }
.section-image figcaption {
  padding: 9px 0 12px;
  color: var(--muted);
  font-size: 13px;
}
.approach .section-image, .solutions .section-image { margin-bottom: 22px; }
.system-visual { min-width: 0; }
.system-visual .section-image img { aspect-ratio: 2.2; }
.system-visual figcaption { color: #c8d6e5; }
.contact .section-image { margin-top: 23px; }
.contact .section-image img { aspect-ratio: 2.8; }
.people { grid-template-rows: 660px; }
.people-photo { min-height: 0; }
.people-content { display: flex; flex-direction: column; min-height: 0; }
.people-intro { margin: 18px 0; }
.culture-list { flex: 1; min-height: 0; overflow: auto; scrollbar-gutter: stable; padding-right: 7px; }
.culture-list summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.culture-list summary::after { content: "展开"; font-size: 12px; font-weight: 500; color: var(--muted); white-space: nowrap; }
.culture-list details[open] summary::after { content: "收起"; }
.people-content > button { align-self: start; }
@media (max-width: 730px) {
  .hero-desc { max-width: 330px; }
  .section-image img, .system-visual .section-image img { aspect-ratio: 1.7; }
  .people { grid-template-rows: 370px 660px; gap: 0; }
  .people-content { padding-block: 28px; }
  .people-intro { font-size: 17px; }
}
.approach-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.8fr); align-items: stretch; gap: 22px; }
.approach .section-image { display: flex; flex-direction: column; margin: 0; }
.approach .section-image img { aspect-ratio: 1.45; flex: 1; min-height: 0; }
.approach .comparison > div { padding: clamp(20px, 2.5vw, 40px); }
.scene-visual .section-image { margin-bottom: 9px; }
.scene-visual .section-image img { aspect-ratio: 2.4; object-position: center 37%; }
@media (max-width: 950px) {
  .approach-layout { grid-template-columns: 1fr; }
  .approach .section-image img { aspect-ratio: 2; }
}

.editorial-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(24px, 6vw, 100px);
  align-items: center;
  margin-top: 38px;
}
.editorial-layout p { max-width: 63ch; }
.editorial-lead { font-size: clamp(17px, 1.55vw, 24px); font-weight: 650; }
.editorial-layout .section-image img { aspect-ratio: 1.52; }
.system .editorial-layout figcaption { color: #c8d6e5; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.values-grid article { padding: 22px 0; border-top: 1px solid var(--line); }
.values-grid h3 { margin: 0; font-size: 21px; }
.values-grid p { color: var(--muted); }
@media (max-width: 730px) {
  .editorial-layout, .values-grid { grid-template-columns: 1fr; }
  .values-grid { gap: 0; }
}

.info-dialog { background: #fff; color: #10213a; color-scheme: light; }
.info-dialog p { color: #344b65; }

@supports (background-clip: text) {
  .header .wordmark > span,
  .header .wordmark > b {
    background-image: linear-gradient(
      168deg,
      #f8fbff 18%,
      #d1e3f3 43%,
      #94b6d3 52%,
      #edf6ff 63%,
      #b8d0e6 88%
    );
    background-clip: text;
    color: transparent;
  }
}
@media (forced-colors: active) {
  .header .wordmark > span,
  .header .wordmark > b {
    background: none;
    color: LinkText;
  }
}

.info-dialog { max-height: calc(100dvh - 32px); overflow: auto; }
.privacy-copy h3 { margin: 20px 0 4px; font-size: 16px; }
.privacy-copy p { margin: 0 0 10px; }
.privacy-copy a { text-decoration: underline; text-underline-offset: 3px; }

.language-link { font-size: 13px; font-weight: 650; white-space: nowrap; }
@media (max-width: 730px) {
  .header .language-link { margin-left: auto; }
}
html[lang="en"] .culture-list summary::after { content: "Show"; }
html[lang="en"] .culture-list details[open] summary::after { content: "Hide"; }

.language-switch { position: relative; flex-shrink: 0; font-size: 13px; }
.language-switch summary { cursor: pointer; font-weight: 650; }
.language-switch ul {
  position: absolute;
  inset: 100% 0 auto auto;
  min-width: 138px;
  margin: 8px 0 0;
  padding: 6px;
  list-style: none;
  background: var(--navy);
  border: 1px solid #ffffff55;
  border-radius: 5px;
}
.language-switch a { display: block; padding: 6px 9px; }
.language-switch a:hover, .language-switch [aria-current] { background: #ffffff20; }
@media (max-width: 1100px) {
  html:not([lang="zh-CN"]) .header { justify-content: space-between; }
  html:not([lang="zh-CN"]) .header nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 18px var(--gutter); background: var(--navy); }
  html:not([lang="zh-CN"]) .header nav.open { display: grid; gap: 16px; }
  html:not([lang="zh-CN"]) .nav-cta { display: none; }
  html:not([lang="zh-CN"]) .menu-toggle { display: block; color: white; background: transparent; border: 1px solid #ffffff66; border-radius: 4px; padding: 6px 10px; font-size: 13px; }
}
html[lang="ja"] .culture-list summary::after { content: "開く"; }
html[lang="ja"] .culture-list details[open] summary::after { content: "閉じる"; }
html[lang="ko"] .culture-list summary::after { content: "펼치기"; }
html[lang="ko"] .culture-list details[open] summary::after { content: "접기"; }
html[lang="fr"] .culture-list summary::after { content: "Afficher"; }
html[lang="fr"] .culture-list details[open] summary::after { content: "Masquer"; }
html[lang="es"] .culture-list summary::after { content: "Mostrar"; }
html[lang="es"] .culture-list details[open] summary::after { content: "Ocultar"; }