:root {
  --color-ink: #151a18;
  --color-muted: #5f6965;
  --color-line: #d9dfdc;
  --color-surface: #f4f7f5;
  --color-canvas: #ffffff;
  --color-accent: #0d6b50;
  --color-accent-dark: #084936;
  --color-signal: #d64a36;
  --color-blue: #2f5f7d;
  --color-dark: #10231d;
  --color-dark-soft: #193229;
  --color-white: #ffffff;
  --radius-card: 8px;
  --page-pad: 48px;
  --section-space: 120px;
  --content-width: 1280px;
  --text-width: 760px;
  --header-height: 72px;
  color-scheme: light;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
}

body,
button,
a {
  font-family: inherit;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: 0;
  background: none;
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-signal);
  outline-offset: 4px;
}

h1,
h2,
h3,
h4,
p,
dl,
dd,
figure,
ol,
ul {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  margin-bottom: 0;
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: 0;
}

p,
dd,
li {
  overflow-wrap: anywhere;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 8px 12px;
  transform: translateY(-160%);
  border-radius: 4px;
  background: var(--color-canvas);
  color: var(--color-ink);
}

.skip-link:focus {
  transform: translateY(0);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.26);
  color: var(--color-white);
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--color-line);
  background: rgba(255, 255, 255, 0.96);
  color: var(--color-ink);
  box-shadow: 0 8px 24px rgba(21, 26, 24, 0.06);
}

.header-inner,
.section-inner,
.engagement-inner,
.footer-inner {
  width: min(100% - (var(--page-pad) * 2), var(--content-width));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.site-mark {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
}

.site-mark-icon {
  display: grid;
  width: 38px;
  height: 30px;
  place-items: center;
  border: 1px solid currentColor;
  font-size: 11px;
  line-height: 1;
}

.site-mark-text {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  font-weight: 500;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: currentColor;
  content: "";
  transition: transform 180ms ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.hero {
  position: relative;
  display: grid;
  height: min(88svh, 840px);
  min-height: 640px;
  align-items: end;
  overflow: hidden;
  color: var(--color-white);
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  object-fit: cover;
  object-position: center 64%;
}

.hero-shade {
  background: rgba(8, 20, 16, 0.56);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100% - (var(--page-pad) * 2), var(--content-width));
  margin: 0 auto;
  padding: 150px 0 92px;
}

.eyebrow,
.section-index,
.service-scope,
.flow-owner {
  margin-bottom: 20px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.84);
}

.eyebrow::before {
  width: 36px;
  height: 1px;
  background: var(--color-signal);
  content: "";
}

.hero h1 {
  max-width: 980px;
  font-size: 76px;
}

.hero-intro {
  max-width: 700px;
  margin: 30px 0 42px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 20px;
  line-height: 1.7;
}

.hero-facts {
  display: grid;
  max-width: 960px;
  margin: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.35);
}

.hero-facts > div {
  min-width: 0;
  padding: 20px 22px 0 0;
}

.hero-facts dt {
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
}

.hero-facts dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.scroll-cue {
  position: absolute;
  right: var(--page-pad);
  bottom: 36px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 12px;
}

.scroll-line {
  display: block;
  width: 48px;
  height: 1px;
  background: currentColor;
}

.section {
  padding: var(--section-space) 0;
  scroll-margin-top: var(--header-height);
}

.section-heading {
  max-width: 900px;
  margin-bottom: 72px;
}

.section-index {
  margin-bottom: 18px;
  color: var(--color-accent);
}

.section-heading h2,
.engagement h2 {
  font-size: 48px;
}

.section-heading-split {
  display: grid;
  max-width: none;
  align-items: end;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.7fr);
  gap: 80px;
}

.section-heading-split > p {
  margin: 0;
  color: var(--color-muted);
  font-size: 16px;
}

.positioning {
  background: var(--color-canvas);
}

.positioning-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.5fr);
  gap: 96px;
}

.positioning-lead {
  margin: 0;
  color: var(--color-muted);
  font-size: 21px;
  line-height: 1.75;
}

.challenge-list {
  border-top: 1px solid var(--color-ink);
}

.challenge-list article {
  display: grid;
  padding: 26px 0;
  grid-template-columns: 48px minmax(170px, 0.75fr) minmax(0, 1fr);
  gap: 20px;
  border-bottom: 1px solid var(--color-line);
}

.challenge-number,
.service-code,
.flow-number,
.process-number,
.qualified-lead li span,
.industry-item figcaption span {
  color: var(--color-signal);
  font-size: 12px;
  font-weight: 700;
}

.challenge-list h3 {
  font-size: 18px;
}

.challenge-list p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.positioning-statement {
  display: grid;
  margin-top: 82px;
  padding: 34px 40px;
  align-items: center;
  grid-template-columns: 1fr auto 1fr;
  gap: 36px;
  border-left: 4px solid var(--color-accent);
  background: var(--color-surface);
}

.positioning-statement p {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
}

.positioning-statement span {
  color: var(--color-signal);
  font-size: 28px;
}

.services {
  background: var(--color-surface);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.service-panel {
  display: flex;
  min-height: 620px;
  padding: 48px;
  flex-direction: column;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
}

.service-panel-dark {
  border-color: var(--color-dark);
  background: var(--color-dark);
  color: var(--color-white);
}

.service-panel-light {
  background: var(--color-canvas);
}

.service-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid currentColor;
}

.service-panel-dark .service-topline {
  border-color: rgba(255, 255, 255, 0.26);
}

.service-code,
.service-scope {
  margin: 0;
}

.service-panel h3 {
  margin-top: 48px;
  font-size: 38px;
}

.service-summary {
  max-width: 580px;
  margin: 22px 0 34px;
  color: var(--color-muted);
  font-size: 17px;
}

.service-panel-dark .service-summary {
  color: rgba(255, 255, 255, 0.72);
}

.service-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-list li {
  position: relative;
  padding: 13px 0 13px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 14px;
}

.service-list li::before {
  position: absolute;
  top: 22px;
  left: 0;
  width: 8px;
  height: 1px;
  background: var(--color-signal);
  content: "";
}

.geo-modes {
  display: grid;
  margin-bottom: 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.geo-modes > div {
  padding: 20px;
  border-top: 2px solid var(--color-accent);
  background: var(--color-surface);
}

.geo-modes h4 {
  font-size: 16px;
}

.geo-modes p {
  margin: 10px 0 0;
  color: var(--color-muted);
  font-size: 13px;
}

.service-boundary {
  margin-top: auto;
  padding-top: 26px;
  border-top: 1px solid currentColor;
}

.service-panel-dark .service-boundary {
  border-color: rgba(255, 255, 255, 0.26);
}

.service-boundary span {
  display: block;
  margin-bottom: 8px;
  color: var(--color-signal);
  font-size: 12px;
  font-weight: 700;
}

.service-boundary p {
  margin: 0;
  font-size: 14px;
}

.industries {
  background: var(--color-canvas);
}

.company-profile {
  display: grid;
  margin: 0 0 64px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--color-line);
}

.company-profile > div {
  min-width: 0;
  padding: 24px 24px 24px 0;
}

.company-profile dt {
  margin-bottom: 6px;
  color: var(--color-muted);
  font-size: 12px;
}

.company-profile dd {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 20px;
}

.industry-item {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--color-line);
}

.industry-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.industry-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 320ms ease;
}

.industry-item:nth-child(3) img {
  object-position: center;
}

.industry-item:nth-child(5) img {
  object-position: center 34%;
}

.industry-item:hover img {
  transform: scale(1.025);
}

.industry-item figcaption {
  display: grid;
  min-height: 74px;
  padding: 18px 0;
  align-items: center;
  grid-template-columns: 42px 1fr;
  font-size: 16px;
  font-weight: 600;
}

.collaboration {
  background: var(--color-dark);
  color: var(--color-white);
}

.collaboration .section-index {
  color: #73c3a7;
}

.collaboration-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.32);
}

.collaboration-flow article {
  position: relative;
  min-height: 255px;
  padding: 30px 30px 34px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.collaboration-flow article:not(:nth-child(3n + 1)) {
  padding-left: 30px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.flow-owner {
  display: inline-flex;
  margin-bottom: 38px;
  padding: 4px 8px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: rgba(255, 255, 255, 0.72);
}

.flow-human .flow-owner {
  border-color: #73c3a7;
  color: #8ed8be;
}

.flow-number {
  position: absolute;
  top: 33px;
  right: 28px;
}

.collaboration-flow h3 {
  font-size: 20px;
}

.collaboration-flow p {
  max-width: 300px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
}

.qualified-lead {
  display: grid;
  margin-top: 92px;
  padding: 48px;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 80px;
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.qualified-lead-heading h3 {
  max-width: 400px;
  font-size: 30px;
}

.qualified-lead ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.qualified-lead li {
  display: grid;
  padding: 18px 0;
  grid-template-columns: 48px 1fr;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.qualified-lead li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.qualified-lead li p {
  margin: 0;
}

.process {
  background: var(--color-surface);
}

.process-list {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  list-style: none;
  border-top: 1px solid var(--color-ink);
}

.process-list li {
  min-width: 0;
  min-height: 240px;
  padding: 26px 26px 20px 0;
  border-bottom: 1px solid var(--color-line);
}

.process-list li:not(:first-child) {
  padding-left: 26px;
  border-left: 1px solid var(--color-line);
}

.process-number {
  display: block;
  margin-bottom: 58px;
}

.process-list h3 {
  font-size: 19px;
}

.process-list p {
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 13px;
}

.engagement {
  padding: 90px 0;
  background: var(--color-accent);
  color: var(--color-white);
}

.engagement-inner {
  display: grid;
  align-items: end;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
  gap: 100px;
}

.engagement .section-index {
  color: rgba(255, 255, 255, 0.72);
}

.engagement h2 {
  margin-bottom: 18px;
}

.engagement-inner > div > p:last-child {
  max-width: 520px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.76);
}

.engagement-boundaries {
  border-top: 1px solid rgba(255, 255, 255, 0.46);
}

.engagement-boundaries p {
  display: grid;
  margin: 0;
  padding: 18px 0;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  font-size: 14px;
}

.engagement-boundaries span {
  font-weight: 700;
}

.site-footer {
  padding: 30px 0;
  background: #0b1512;
  color: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.footer-inner p {
  margin: 0;
  font-size: 14px;
}

.footer-inner span {
  color: rgba(255, 255, 255, 0.46);
  font-size: 10px;
  font-weight: 700;
}

@media (max-width: 1080px) {
  :root {
    --page-pad: 32px;
    --section-space: 96px;
  }

  .hero h1 {
    font-size: 58px;
  }

  .section-heading h2,
  .engagement h2 {
    font-size: 40px;
  }

  .positioning-layout {
    gap: 56px;
  }

  .service-panel {
    min-height: 650px;
    padding: 38px;
  }

  .collaboration-flow,
  .industry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .collaboration-flow article:not(:nth-child(3n + 1)) {
    padding-left: 0;
    border-left: 0;
  }

  .collaboration-flow article:nth-child(2n) {
    padding-left: 28px;
    border-left: 1px solid rgba(255, 255, 255, 0.18);
  }

  .process-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .process-list li:nth-child(4) {
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 760px) {
  :root {
    --page-pad: 20px;
    --section-space: 72px;
    --header-height: 64px;
  }

  body {
    font-size: 15px;
  }

  .header-inner {
    gap: 16px;
  }

  .site-nav {
    display: grid;
    flex: 1 1 100%;
    grid-template-columns: repeat(5, max-content);
    gap: 18px;
    overflow-x: auto;
    font-size: 12px;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .js .menu-toggle {
    display: block;
    flex: 0 0 auto;
  }

  .js .site-nav {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    padding: 18px var(--page-pad) 24px;
    grid-template-columns: 1fr;
    gap: 4px;
    border-bottom: 1px solid var(--color-line);
    background: var(--color-canvas);
    color: var(--color-ink);
    box-shadow: 0 18px 24px rgba(21, 26, 24, 0.08);
  }

  .js .menu-open .site-nav {
    display: grid;
  }

  .js .menu-open .menu-toggle span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .js .menu-open .menu-toggle span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .hero {
    height: 88svh;
    min-height: 620px;
  }

  .hero-media {
    object-position: 60% 64%;
  }

  .hero-shade {
    background: rgba(8, 20, 16, 0.62);
  }

  .hero-inner {
    padding: 118px 0 76px;
  }

  .hero h1 {
    font-size: 42px;
    line-height: 1.14;
  }

  .hero-intro {
    margin: 24px 0 30px;
    font-size: 17px;
  }

  .hero-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-facts > div {
    padding-top: 14px;
  }

  .hero-facts dt {
    font-size: 10px;
  }

  .hero-facts dd {
    font-size: 13px;
  }

  .scroll-cue {
    right: var(--page-pad);
    bottom: 22px;
  }

  .scroll-cue span:first-child {
    display: none;
  }

  .section-heading {
    margin-bottom: 46px;
  }

  .section-heading h2,
  .engagement h2 {
    font-size: 34px;
  }

  .section-heading-split,
  .positioning-layout,
  .service-grid,
  .qualified-lead,
  .engagement-inner {
    grid-template-columns: 1fr;
  }

  .section-heading-split {
    gap: 24px;
  }

  .positioning-layout {
    gap: 42px;
  }

  .positioning-lead {
    font-size: 18px;
  }

  .challenge-list article {
    padding: 22px 0;
    grid-template-columns: 34px 1fr;
  }

  .challenge-list article p {
    grid-column: 2;
  }

  .positioning-statement {
    margin-top: 52px;
    padding: 28px 24px;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .positioning-statement span {
    font-size: 20px;
  }

  .service-panel {
    min-height: 0;
    padding: 30px 24px;
  }

  .service-panel h3 {
    margin-top: 36px;
    font-size: 30px;
  }

  .service-boundary {
    margin-top: 42px;
  }

  .geo-modes {
    grid-template-columns: 1fr;
  }

  .company-profile {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .company-profile > div {
    padding: 18px 14px 18px 0;
  }

  .company-profile dd {
    font-size: 15px;
  }

  .industry-grid,
  .collaboration-flow,
  .process-list {
    grid-template-columns: 1fr;
  }

  .industry-media {
    aspect-ratio: 16 / 10;
  }

  .collaboration-flow article,
  .collaboration-flow article:nth-child(2n) {
    min-height: 0;
    padding: 26px 0 28px;
    border-left: 0;
  }

  .flow-owner {
    margin-bottom: 28px;
  }

  .qualified-lead {
    margin-top: 60px;
    padding: 30px 24px;
    gap: 38px;
  }

  .qualified-lead-heading h3 {
    font-size: 26px;
  }

  .process-list li,
  .process-list li:not(:first-child),
  .process-list li:nth-child(4) {
    display: grid;
    min-height: 0;
    padding: 22px 0;
    grid-template-columns: 44px 1fr;
    border-left: 0;
  }

  .process-number {
    margin-bottom: 0;
  }

  .engagement {
    padding: 68px 0;
  }

  .engagement-inner {
    gap: 44px;
  }

  .engagement-boundaries p {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 380px) {
  .site-mark-text {
    display: none;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-facts {
    column-gap: 10px;
  }

  .section-heading h2,
  .engagement h2 {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}
