:root {
  --porcelain: #f7f8f6;
  --paper: #ffffff;
  --graphite: #15191c;
  --graphite-soft: #252b30;
  --slate: #667078;
  --slate-light: #8b949b;
  --silver: #aeb6bb;
  --silver-light: #e4e8e9;
  --silver-mist: #f0f2f2;
  --cobalt: #2457d6;
  --cobalt-dark: #1745ba;
  --cobalt-wash: #edf2ff;
  --line: rgba(21, 25, 28, 0.12);
  --line-soft: rgba(21, 25, 28, 0.07);
  --shadow-lift:
    0 0 0 1px rgba(21, 25, 28, 0.05),
    0 10px 30px rgba(21, 25, 28, 0.06),
    0 30px 70px rgba(21, 25, 28, 0.05);
  --page-gutter: clamp(24px, 5vw, 72px);
  --content-width: 1240px;
  --section-space: clamp(96px, 12vw, 168px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--graphite);
  background: var(--porcelain);
  font-family:
    "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC",
    sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

p,
h1,
h2,
h3,
figure,
dl,
dd {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  color: var(--paper);
  background: var(--cobalt);
}

:focus-visible {
  outline: 3px solid rgba(36, 87, 214, 0.38);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 16px;
  left: 16px;
  padding: 10px 14px;
  color: var(--paper);
  background: var(--graphite);
  transform: translateY(-150%);
  transition: transform 160ms cubic-bezier(0.23, 1, 0.32, 1);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(247, 248, 246, 0.92);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--content-width));
  min-height: 80px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-height: 48px;
}

.brand__mark {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
}

.brand__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__text strong {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand__text small {
  margin-top: 5px;
  color: var(--slate);
  font-size: 9px;
  letter-spacing: 0.03em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.site-nav a {
  position: relative;
  padding: 10px 0;
  color: var(--graphite-soft);
  font-size: 13px;
  font-weight: 600;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 1px;
  background: var(--cobalt);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms cubic-bezier(0.23, 1, 0.32, 1);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  overflow: hidden;
  background: var(--porcelain);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: clamp(40px, 7vw, 104px);
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--content-width));
  min-height: calc(100vh - 81px);
  margin: 0 auto;
  padding: 72px 0 88px;
}

.hero__copy {
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-index {
  color: var(--slate);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
}

.eyebrow__line {
  width: 32px;
  height: 2px;
  background: var(--cobalt);
}

.hero h1 {
  max-width: 760px;
  margin-top: 28px;
  font-size: clamp(46px, 5.7vw, 82px);
  font-weight: 650;
  letter-spacing: -0.065em;
  line-height: 1.1;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
  color: var(--cobalt);
}

.hero__summary {
  max-width: 610px;
  margin-top: 30px;
  color: var(--slate);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.9;
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 190px;
  min-height: 52px;
  padding: 0 18px 0 22px;
  font-size: 14px;
  font-weight: 700;
  transition:
    color 160ms cubic-bezier(0.23, 1, 0.32, 1),
    background-color 160ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 120ms cubic-bezier(0.23, 1, 0.32, 1);
}

.button--primary {
  color: var(--paper);
  background: var(--cobalt);
}

.button--primary:hover {
  background: var(--cobalt-dark);
}

.button:active {
  transform: scale(0.98);
}

.button span {
  font-size: 18px;
}

.text-link {
  position: relative;
  min-height: 44px;
  padding: 10px 0;
  color: var(--graphite-soft);
  font-size: 14px;
  font-weight: 650;
}

.text-link::after {
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 1px;
  background: var(--graphite);
  content: "";
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 520px;
  margin-top: 72px;
  border-top: 1px solid var(--line);
}

.hero__facts div {
  padding: 20px 20px 0 0;
}

.hero__facts div + div {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.hero__facts dt {
  color: var(--slate-light);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.hero__facts dd {
  margin-top: 7px;
  font-size: 14px;
  font-weight: 650;
}

.orbit-visual {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.orbit-stage {
  position: relative;
  width: min(43vw, 530px);
  height: min(43vw, 530px);
  min-width: 430px;
  min-height: 430px;
}

.orbit-stage::before,
.orbit-stage::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.orbit-stage::before {
  inset: 9%;
  border: 1px solid var(--silver-light);
}

.orbit-stage::after {
  inset: 22%;
  background: var(--paper);
  box-shadow: var(--shadow-lift);
}

.orbit-ring {
  position: absolute;
  z-index: 2;
  border: 1px solid var(--silver);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-ring--outer {
  inset: 14% 0;
  transform: rotate(-18deg);
}

.orbit-ring--middle {
  inset: 3% 21%;
  transform: rotate(58deg);
}

.orbit-ring--inner {
  inset: 20% 9%;
  border-color: rgba(36, 87, 214, 0.38);
  transform: rotate(26deg);
}

.logo-core {
  position: absolute;
  z-index: 5;
  inset: 31%;
  display: grid;
  place-items: center;
}

.logo-core img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.orbit-node {
  position: absolute;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--slate);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.orbit-node i {
  width: 8px;
  height: 8px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--cobalt);
  box-shadow: 0 0 0 1px var(--cobalt);
  animation: node-breathe 2.8s ease-in-out infinite alternate;
}

.orbit-node b {
  font-weight: 700;
}

.orbit-node--sense {
  top: 18%;
  left: 12%;
}

.orbit-node--understand {
  top: 28%;
  right: 2%;
}

.orbit-node--decide {
  right: 9%;
  bottom: 17%;
}

.orbit-node--collaborate {
  bottom: 10%;
  left: 13%;
}

.orbit-node--understand i {
  animation-delay: 400ms;
}

.orbit-node--decide i {
  animation-delay: 800ms;
}

.orbit-node--collaborate i {
  animation-delay: 1200ms;
}

.orbit-code {
  position: absolute;
  z-index: 4;
  color: var(--silver);
  font-family: "Segoe UI", sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.orbit-code--top {
  top: 4%;
  left: 46%;
}

.orbit-code--bottom {
  right: 28%;
  bottom: 1%;
}

.orbit-visual figcaption {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  color: var(--slate);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.orbit-visual figcaption span {
  width: 5px;
  height: 5px;
  background: var(--cobalt);
}

.section {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--content-width));
  margin: 0 auto;
  padding: var(--section-space) 0;
  scroll-margin-top: 80px;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section__heading {
  display: grid;
  grid-template-columns: minmax(150px, 0.3fr) minmax(0, 0.7fr);
  gap: 48px;
}

.section__heading h2,
.capability-intro h2,
.vision-panel h2 {
  max-width: 900px;
  font-size: clamp(34px, 4.3vw, 58px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.22;
  text-wrap: balance;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.6fr);
  gap: clamp(64px, 10vw, 144px);
  margin-top: 90px;
  padding-left: calc(30% + 16px);
}

.about-layout__lead {
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.55;
}

.about-layout__body {
  color: var(--slate);
  font-size: 15px;
}

.about-layout__body p + p {
  margin-top: 22px;
}

.principle-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 100px;
  border-top: 1px solid var(--graphite);
  border-bottom: 1px solid var(--line);
}

.principle-list li {
  min-height: 208px;
  padding: 24px 28px 30px 0;
}

.principle-list li + li {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.principle-list li > span {
  color: var(--cobalt);
  font-family: "Segoe UI", sans-serif;
  font-size: 11px;
  font-weight: 700;
}

.principle-list li div {
  margin-top: 62px;
}

.principle-list strong {
  font-size: 18px;
}

.principle-list p {
  margin-top: 8px;
  color: var(--slate);
  font-size: 14px;
}

.section__heading--split {
  grid-template-columns: minmax(0, 0.7fr) minmax(280px, 0.3fr);
}

.section__heading--split h2 {
  margin-top: 20px;
}

.section__heading--split > p {
  align-self: end;
  max-width: 390px;
  color: var(--slate);
  font-size: 15px;
}

.industry-list {
  margin-top: 86px;
  border-top: 1px solid var(--graphite);
}

.industry-row {
  display: grid;
  grid-template-columns: 0.12fr 0.3fr 0.48fr 0.1fr;
  align-items: center;
  min-height: 190px;
  border-bottom: 1px solid var(--line);
  transition: background-color 180ms cubic-bezier(0.23, 1, 0.32, 1);
}

.industry-row:hover {
  background: var(--paper);
}

.industry-row__number {
  align-self: start;
  padding-top: 30px;
  color: var(--cobalt);
  font-family: "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.industry-row__title span {
  color: var(--silver);
  font-family: "Segoe UI", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.industry-row__title h3 {
  margin-top: 6px;
  font-size: clamp(25px, 2.5vw, 34px);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.industry-row__description {
  max-width: 520px;
  padding-right: 40px;
  color: var(--slate);
  font-size: 15px;
}

.industry-row__arrow {
  justify-self: end;
  font-size: 25px;
  font-weight: 300;
  transition: transform 180ms cubic-bezier(0.23, 1, 0.32, 1);
}

.industry-row:hover .industry-row__arrow {
  transform: translate(3px, -3px);
}

.section--capabilities {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 0.62fr);
  gap: clamp(72px, 11vw, 160px);
}

.capability-intro {
  align-self: start;
  position: sticky;
  top: 136px;
}

.capability-intro h2 {
  margin-top: 22px;
}

.capability-intro > p:last-child {
  max-width: 550px;
  margin-top: 28px;
  color: var(--slate);
  font-size: 15px;
}

.capability-path-wrap {
  position: relative;
}

.capability-path {
  position: relative;
}

.capability-path__rail {
  position: absolute;
  top: 14px;
  bottom: 36px;
  left: 6px;
  width: 1px;
  background: var(--silver);
  content: "";
  pointer-events: none;
}

.capability-path li {
  position: relative;
  display: grid;
  grid-template-columns: 18px 72px minmax(0, 1fr);
  gap: 18px;
  min-height: 152px;
}

.capability-path__node {
  z-index: 1;
  width: 13px;
  height: 13px;
  margin-top: 7px;
  border: 3px solid var(--porcelain);
  border-radius: 50%;
  background: var(--cobalt);
  box-shadow: 0 0 0 1px var(--cobalt);
}

.capability-path__step {
  padding-top: 2px;
  color: var(--silver);
  font-family: "Segoe UI", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.capability-path h3 {
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.capability-path li div p {
  max-width: 330px;
  margin-top: 8px;
  color: var(--slate);
  font-size: 14px;
}

.vision-panel {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  padding: clamp(44px, 7vw, 88px);
  background: var(--cobalt-wash);
}

.vision-panel__copy {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.vision-panel h2 {
  margin-top: 24px;
}

.vision-panel__copy > p:last-child {
  max-width: 610px;
  margin-top: 30px;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.9;
}

.vision-panel__mark {
  position: absolute;
  z-index: 2;
  right: clamp(44px, 7vw, 88px);
  bottom: 66px;
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--graphite);
  font-family: "Segoe UI", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.vision-panel__mark i {
  position: relative;
  width: 86px;
  height: 1px;
  background: var(--cobalt);
}

.vision-panel__mark i::after {
  position: absolute;
  top: -3px;
  right: 0;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--cobalt);
  border-right: 1px solid var(--cobalt);
  content: "";
  transform: rotate(45deg);
}

.vision-panel__watermark {
  position: absolute;
  z-index: 1;
  right: -120px;
  bottom: -230px;
  width: 570px;
  height: 570px;
  opacity: 0.045;
}

.site-footer {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--content-width));
  margin: 0 auto;
  padding: 68px 0 32px;
}

.site-footer__top,
.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-footer__top {
  padding-bottom: 60px;
}

.brand--footer .brand__text small {
  letter-spacing: 0.16em;
}

.site-footer__top > p {
  color: var(--slate);
  font-size: 14px;
}

.site-footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--slate);
  font-size: 12px;
}

.site-footer__bottom a {
  min-height: 44px;
  padding: 12px 0;
  transition: color 160ms cubic-bezier(0.23, 1, 0.32, 1);
}

.site-footer__bottom a:hover {
  color: var(--cobalt);
}

@keyframes node-breathe {
  from {
    opacity: 0.45;
  }

  to {
    opacity: 1;
  }
}

@media (max-width: 1050px) {
  .site-nav {
    gap: 22px;
  }

  .hero__inner {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 30px;
  }

  .orbit-stage {
    width: 430px;
    height: 430px;
  }

  .about-layout {
    padding-left: 0;
  }
}

@media (max-width: 860px) {
  .site-header__inner {
    min-height: 72px;
  }

  .brand__text small {
    display: none;
  }

  .site-nav a:nth-child(1),
  .site-nav a:nth-child(4) {
    display: none;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 96px 0 84px;
  }

  .hero__copy {
    max-width: 690px;
  }

  .hero h1 {
    font-size: clamp(46px, 9vw, 72px);
  }

  .orbit-visual {
    margin-top: 30px;
  }

  .orbit-stage {
    width: min(82vw, 550px);
    height: min(82vw, 550px);
    min-width: 0;
    min-height: 0;
  }

  .section__heading,
  .section__heading--split {
    grid-template-columns: 1fr;
  }

  .section__heading h2 {
    margin-top: 20px;
  }

  .section__heading--split > p {
    max-width: 570px;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 36px;
    margin-top: 64px;
  }

  .principle-list {
    margin-top: 72px;
  }

  .principle-list li {
    min-height: 190px;
  }

  .industry-row {
    grid-template-columns: 0.12fr 0.38fr 0.5fr;
  }

  .industry-row__arrow {
    display: none;
  }

  .section--capabilities {
    grid-template-columns: 1fr;
    gap: 72px;
  }

  .capability-intro {
    position: static;
  }
}

@media (max-width: 620px) {
  :root {
    --page-gutter: 20px;
    --section-space: 88px;
  }

  .site-nav {
    display: none;
  }

  .site-header__inner {
    min-height: 66px;
  }

  .brand__mark {
    width: 34px;
    height: 34px;
  }

  .hero__inner {
    padding: 72px 0 76px;
  }

  .hero h1 {
    margin-top: 22px;
    font-size: clamp(40px, 12.4vw, 58px);
    letter-spacing: -0.07em;
  }

  .hero__summary {
    margin-top: 24px;
    font-size: 15px;
    line-height: 1.8;
  }

  .hero__actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    margin-top: 34px;
  }

  .button {
    width: 100%;
  }

  .hero__facts {
    margin-top: 56px;
  }

  .hero__facts div {
    padding-top: 16px;
  }

  .hero__facts div + div {
    padding-left: 16px;
  }

  .hero__facts dd {
    font-size: 12px;
  }

  .orbit-visual {
    margin-top: 42px;
  }

  .orbit-node {
    font-size: 9px;
  }

  .orbit-node i {
    width: 6px;
    height: 6px;
  }

  .orbit-code {
    display: none;
  }

  .orbit-visual figcaption {
    margin-top: 10px;
    font-size: 10px;
  }

  .section__heading h2,
  .capability-intro h2,
  .vision-panel h2 {
    font-size: clamp(31px, 9vw, 42px);
  }

  .about-layout {
    margin-top: 48px;
  }

  .about-layout__lead {
    font-size: 21px;
  }

  .principle-list {
    grid-template-columns: 1fr;
    margin-top: 58px;
  }

  .principle-list li {
    display: grid;
    grid-template-columns: 42px 1fr;
    min-height: 0;
    padding: 26px 0;
  }

  .principle-list li + li {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .principle-list li div {
    margin-top: 0;
  }

  .industry-list {
    margin-top: 58px;
  }

  .industry-row {
    grid-template-columns: 42px 1fr;
    align-items: start;
    min-height: 0;
    padding: 28px 0 32px;
  }

  .industry-row__number {
    padding-top: 2px;
  }

  .industry-row__description {
    grid-column: 2;
    margin-top: 18px;
    padding-right: 0;
    font-size: 14px;
  }

  .capability-path li {
    grid-template-columns: 18px 1fr;
    gap: 16px;
    min-height: 148px;
  }

  .capability-path__step {
    display: none;
  }

  .capability-path li > div {
    grid-column: 2;
  }

  .vision-panel {
    min-height: 620px;
    padding: 38px 26px;
  }

  .vision-panel__copy > p:last-child {
    font-size: 14px;
  }

  .vision-panel__mark {
    right: 26px;
    bottom: 42px;
    left: 26px;
    justify-content: flex-end;
  }

  .vision-panel__mark i {
    width: 58px;
  }

  .vision-panel__watermark {
    right: -120px;
    bottom: -110px;
    width: 420px;
    height: 420px;
  }

  .site-footer__top,
  .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer__top {
    gap: 28px;
  }

  .site-footer__bottom {
    gap: 8px;
  }
}

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

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

  [style*="opacity"] {
    opacity: 1 !important;
  }

  [style*="transform"] {
    transform: none !important;
  }
}