:root {
  --blue: #2457eb;
  --ink: #192638;
  --muted: #667183;
  --line: #e2e7ee;
  --paper: #f8fafc;
  --font:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
svg {
  display: block;
}
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #688cf5;
  outline-offset: 5px;
}
::selection {
  background: #dce6ff;
  color: #123583;
}
.container {
  width: min(1240px, calc(100% - 104px));
  margin: auto;
}
.blue {
  color: var(--blue);
}
.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px #2457eb0a;
}
.header {
  height: 88px;
  border-bottom: 1px solid var(--line);
  background: #ffffffed;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(15px);
}
.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  line-height: 1.1;
}
.brand > span {
  font-size: 23px;
  letter-spacing: 3px;
  font-weight: 700;
}
.brand-en {
  display: block;
  font-size: 8px;
  letter-spacing: 2.2px;
  font-weight: 600;
  margin-top: 6px;
}
.header nav {
  display: flex;
  gap: 34px;
  align-items: center;
}
.header nav > a {
  font-size: 13px;
  color: #475262;
  transition: color 0.2s;
}
.header nav > a:hover,
.header nav > a.active {
  color: var(--blue);
}
.header nav > .nav-contact {
  border: 1px solid #d6deed;
  border-radius: 5px;
  padding: 10px 17px;
  color: var(--ink);
  margin-left: 10px;
}
.nav-contact span {
  margin-left: 22px;
  color: var(--blue);
}
.menu-toggle {
  display: none;
}
.hero {
  overflow: hidden;
  background: linear-gradient(110deg, #fbfcfe 0%, #fbfcfe 44%, #f3f6fc 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  min-height: 646px;
  gap: 18px;
}
.hero-copy {
  padding: 65px 0 51px;
  position: relative;
  z-index: 1;
}
.hero-copy .eyebrow {
  letter-spacing: 1.7px;
  color: #5b6a7f;
  font-size: 12px;
}
.hero h1 {
  font-size: clamp(40px, 4.05vw, 60px);
  line-height: 1.37;
  letter-spacing: -2px;
  font-weight: 650;
  margin: 28px 0 22px;
}
.hero h1 .blue {
  white-space: nowrap;
}
.heading-dot {
  margin-left: -4px;
}
.hero-description {
  font-size: 15px;
  line-height: 1.95;
  color: var(--muted);
  margin: 0 0 31px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 25px;
}
.button {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding: 13px 22px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 550;
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  transform: translateY(-2px);
}
.primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 5px 13px #2457eb13;
}
.primary:hover {
  background: #1848d4;
}
.button span {
  font-size: 19px;
  font-weight: 400;
}
.text-link {
  font-size: 13px;
  display: inline-flex;
  gap: 14px;
  align-items: center;
}
.text-link:hover {
  color: var(--blue);
}
.hero-note {
  margin-top: 50px;
  color: #7c8798;
  font-size: 11px;
  display: flex;
  gap: 11px;
  align-items: center;
  letter-spacing: 1px;
}
.tiny-cross {
  font-size: 20px;
  color: #899bbb;
}
.hero-visual {
  height: 550px;
  position: relative;
  align-self: center;
  margin-right: -20px;
}
.visual-top,
.visual-bottom {
  position: absolute;
  left: 15px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  font: 8px/1.5 var(--font);
  letter-spacing: 1px;
  color: #8591a5;
}
.visual-top {
  top: 11px;
}
.visual-bottom {
  bottom: 5px;
  font-size: 7px;
}
.visual-bottom > span:first-child {
  display: flex;
  align-items: center;
  gap: 7px;
}
.visual-bottom i {
  width: 4px;
  height: 4px;
  background: var(--blue);
  border-radius: 50%;
}
.network {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.hub {
  position: absolute;
  left: 52%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 126px;
  height: 126px;
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #ffffffed;
  border: 1px solid #fff;
  box-shadow: 0 15px 50px #244d9122;
}
.hub img {
  width: 43px;
  height: 43px;
}
.hub strong {
  font-size: 19px;
  letter-spacing: 4px;
  margin-left: 4px;
  line-height: 1;
}
.hub > span {
  font-size: 6px;
  letter-spacing: 1.5px;
  color: #7e91b5;
}
.float-label {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 15px;
  background: #ffffffed;
  border: 1px solid #e7edf7;
  border-radius: 6px;
  box-shadow: 0 7px 20px #384e7310;
  white-space: nowrap;
}
.float-label strong {
  display: block;
  font-size: 12px;
  line-height: 1.4;
  font-weight: 550;
}
.float-label small {
  display: block;
  font-size: 6px;
  letter-spacing: 1px;
  color: #8995a9;
  margin-top: 4px;
}
.node-icon {
  color: var(--blue);
  font-size: 25px;
  line-height: 1;
}
.label-cloud {
  left: 5%;
  top: 18%;
}
.label-ai {
  right: 0;
  top: 30%;
}
.label-data {
  left: 1%;
  top: 65%;
}
.label-global {
  right: 1%;
  top: 77%;
}
.audience-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.audience-strip > .container {
  min-height: 83px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.strip-label {
  font-size: 11px;
  color: #7a8391;
}
.audience-strip .container > div {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  font-weight: 550;
}
.audience-strip b {
  color: #d7dde7;
  font-weight: 400;
}
.strip-end {
  font-size: 8px;
  letter-spacing: 1.2px;
  color: #7a8391;
}
.strip-end > span {
  font-size: 15px;
  margin-left: 15px;
}
.section {
  padding: 100px 0;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 50px;
  margin-bottom: 43px;
}
h2 {
  font-size: 36px;
  line-height: 1.45;
  letter-spacing: -0.7px;
  font-weight: 600;
  margin: 18px 0 0;
}
.section-heading > p {
  margin: 0 0 5px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.95;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
}
.service-card {
  padding: 27px 23px 22px;
  position: relative;
  background: white;
  transition: background 0.2s;
}
.service-card:hover {
  background: #fafcff;
}
.service-card + .service-card {
  border-left: 1px solid var(--line);
}
.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}
.service-icon {
  color: var(--blue);
  display: block;
  width: 40px;
  height: 40px;
  padding: 5px;
  background: #f0f5ff;
  border-radius: 7px;
}
.service-icon svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linejoin: round;
  stroke-linecap: round;
  width: 100%;
  height: 100%;
}
.card-number {
  font-size: 10px;
  color: #98a2b1;
  letter-spacing: 1px;
}
.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 14px;
}
.service-card > p {
  font-size: 12px;
  line-height: 1.95;
  color: var(--muted);
  margin: 0 0 21px;
  min-height: 70px;
}
.service-tags {
  list-style: none;
  margin: 0 0 25px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.service-tags li {
  font-size: 10px;
  background: #f6f8fa;
  color: #677589;
  padding: 3px 7px;
  border-radius: 3px;
}
.card-delivery {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  font-size: 9px;
  color: #748196;
  line-height: 1.8;
}
.card-delivery span {
  display: block;
  font-size: 9px;
  color: #a0a8b4;
  letter-spacing: 1px;
  margin-bottom: 5px;
}
.operations {
  display: flex;
  align-items: center;
  gap: 22px;
  background: #f5f7fb;
  border: 1px solid #edf0f5;
  border-radius: 6px;
  margin-top: 18px;
  padding: 24px 27px;
}
.operations-icon {
  width: 43px;
  height: 43px;
  border: 1px solid #dce4f3;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--blue);
  flex-shrink: 0;
}
.operations h3 {
  font-size: 16px;
  margin: 0 0 6px;
  font-weight: 550;
}
.operations p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.operations .text-link {
  margin-left: auto;
  flex-shrink: 0;
  color: var(--blue);
  font-size: 11px;
}
.service-footnote {
  font-size: 10px;
  color: #8b94a2;
  margin: 15px 0 0;
}
.scenarios {
  background: #f7f9fc;
  border-top: 1px solid #eef1f5;
  border-bottom: 1px solid #eef1f5;
}
.scenario-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-bottom: 1px solid #dce3ed;
}
.scenario-tabs button {
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: #728094;
  text-align: left;
  padding: 18px 23px;
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.scenario-tabs button[aria-selected="true"] {
  color: var(--blue);
  border-bottom-color: var(--blue);
  background: #edf2fe;
}
.scenario-tabs button span {
  font-size: 9px;
  color: #a1acc0;
}
.scenario-tabs button[aria-selected="true"] span {
  color: var(--blue);
}
.scenario-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
  padding: 48px 23px 0;
}
.scenario-panel[hidden] {
  display: none;
}
.scenario-copy > .eyebrow {
  font-size: 8px;
  color: #91a0b6;
  letter-spacing: 1.6px;
}
.scenario-copy h3 {
  font-size: 27px;
  line-height: 1.55;
  letter-spacing: -0.5px;
  margin: 14px 0 17px;
  font-weight: 550;
}
.scenario-copy > p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 385px;
}
.scenario-copy ul {
  padding: 0;
  list-style: none;
  font-size: 12px;
  color: #586879;
  margin-top: 24px;
}
.scenario-copy li {
  padding: 6px 0;
}
.scenario-copy li:before {
  content: "↗";
  color: var(--blue);
  margin-right: 12px;
}
.flow-diagram {
  padding: 24px 29px;
  border: 1px solid #dfe6f2;
  border-radius: 8px;
  background: linear-gradient(140deg, #fff, #f3f6fc);
  box-shadow: 0 10px 25px #24376e04;
}
.diagram-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 7px;
  letter-spacing: 1px;
  color: #8190a6;
  margin-bottom: 28px;
}
.diagram-heading > span:last-child {
  margin-left: auto;
  font-size: 13px;
  color: var(--blue);
}
.diagram-heading .status-dot {
  width: 4px;
  height: 4px;
}
.flow-box {
  text-align: center;
  font-size: 14px;
  padding: 13px 15px;
  border: 1px solid #dfe6f2;
  border-radius: 4px;
  background: #fff;
}
.flow-box > span {
  display: block;
  font-size: 9px;
  color: #8b98ac;
  margin-top: 4px;
}
.flow-line {
  height: 25px;
  width: 1px;
  background: #b8caee;
  margin: auto;
}
.flow-blue {
  background: #2457eb;
  border-color: #2457eb;
  color: white;
  box-shadow: 0 5px 15px #2457eb18;
}
.flow-blue > span {
  color: #d3dfff;
}
.flow-branches {
  display: flex;
  gap: 12px;
  padding-top: 28px;
  position: relative;
}
.flow-branches:before {
  content: "";
  position: absolute;
  top: 15px;
  left: 15%;
  right: 15%;
  border-top: 1px solid #bacced;
}
.flow-branches:after {
  content: "";
  position: absolute;
  height: 15px;
  top: 0;
  left: 50%;
  border-left: 1px solid #bacced;
}
.flow-branches > div {
  flex: 1;
  font-size: 10px;
  text-align: center;
  background: white;
  border: 1px solid #dfe6f2;
  padding: 9px 5px;
  border-radius: 4px;
  position: relative;
}
.flow-branches > div:before {
  content: "";
  position: absolute;
  height: 13px;
  bottom: 100%;
  left: 50%;
  border-left: 1px solid #bacced;
}
.flow-diagram > p {
  font-size: 9px;
  color: #91a0b4;
  text-align: center;
  margin: 21px 0 0;
}
.approach-intro {
  max-width: 410px;
}
.outline-tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 1px;
  border: 1px solid #dce4f2;
  padding: 4px 11px;
  border-radius: 3px;
  color: #5e7394;
}
.approach-intro p {
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 0;
  line-height: 1.9;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px;
  margin-top: 56px;
}
.step-top {
  display: flex;
  align-items: center;
  gap: 20px;
}
.step-top span {
  font-size: 30px;
  line-height: 1;
  font-weight: 300;
  color: var(--blue);
  letter-spacing: -1px;
}
.step-top i {
  height: 1px;
  background: var(--line);
  flex: 1;
  position: relative;
}
.step-top i:after {
  content: "→";
  position: absolute;
  right: 0;
  top: -12px;
  color: #c8d1df;
  font-size: 14px;
}
.steps h3 {
  font-size: 18px;
  font-weight: 550;
  margin: 25px 0 11px;
}
.steps p {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0 0 20px;
  max-width: 230px;
}
.steps article > div:last-child {
  font-size: 10px;
  color: #8896a9;
  border-top: 1px solid #edf0f5;
  padding-top: 13px;
}
.approach-footer {
  margin-top: 48px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.approach-footer strong {
  font-size: 13px;
  font-weight: 500;
}
.approach-footer > span {
  font-size: 10px;
  color: #8d97a5;
}
.about {
  background: #152a4b;
  color: white;
  position: relative;
  overflow: hidden;
}
.about:after {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  border: 1px solid #ffffff08;
  border-radius: 50%;
  top: -260px;
  left: -80px;
  box-shadow:
    0 0 0 65px #ffffff03,
    0 0 0 130px #ffffff02;
  pointer-events: none;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 95px;
  position: relative;
  z-index: 1;
}
.about .eyebrow {
  color: #8099c4;
}
.about h2 {
  font-size: 35px;
  margin-top: 22px;
  line-height: 1.5;
}
.about-sign {
  margin-top: 47px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 5px;
  color: #8ca1c2;
}
.about-sign span {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 2px;
  border-left: 1px solid #ffffff26;
  padding-left: 18px;
  margin-left: 17px;
}
.about-copy > h3 {
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 21px;
}
.about-copy > p {
  font-size: 13px;
  color: #aab8ce;
  line-height: 2.05;
  margin: 0 0 15px;
}
.about-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
  border-top: 1px solid #ffffff1a;
  margin-top: 30px;
  padding-top: 21px;
}
.about-principles span {
  font-size: 9px;
  color: #6f89b1;
  display: block;
  margin-bottom: 9px;
}
.about-principles strong {
  font-size: 12px;
  font-weight: 500;
  display: block;
}
.about-principles p {
  font-size: 9px;
  color: #849aba;
  margin: 7px 0 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 100px;
  align-items: center;
}
.contact h2 {
  font-size: 39px;
}
.contact .container > div > p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
  margin: 21px 0 27px;
}
.contact-card {
  padding: 29px 33px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fbfcfe;
}
.contact-card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.contact-card-heading h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 550;
}
.contact-card-heading > span {
  font-size: 25px;
  color: var(--blue);
}
.contact-card dl {
  margin: 0;
}
.contact-card dl > div {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 22px;
  margin-bottom: 17px;
  font-size: 12px;
}
.contact-card dt {
  color: #8993a2;
}
.contact-card dd {
  margin: 0;
  overflow-wrap: anywhere;
}
.contact-card a {
  color: var(--blue);
}
.placeholder {
  color: #97a0ae;
  font-size: 12px;
}
.contact-hint {
  font-size: 10px;
  color: #909bab;
  border-top: 1px solid var(--line);
  padding-top: 19px;
  margin: 23px 0 0;
  line-height: 1.8;
}
.footer {
  background: #f7f9fc;
  border-top: 1px solid var(--line);
  padding: 34px 0 25px;
}
.footer-top {
  display: flex;
  align-items: center;
  gap: 25px;
  padding-bottom: 29px;
}
.footer-top > .brand > span {
  font-size: 18px;
}
.footer-top > .brand .brand-en {
  font-size: 6px;
  letter-spacing: 1.9px;
}
.footer-top > span {
  font-size: 11px;
  color: #8792a2;
  border-left: 1px solid #d9e0eb;
  padding-left: 25px;
}
.footer-top > a:last-child {
  font-size: 10px;
  color: #7d8ca2;
  margin-left: auto;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 15px;
  color: #929baa;
  font-size: 9px;
}
.footer-bottom > div {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
.footer-bottom a:hover {
  color: var(--blue);
}
.skip-link {
  position: fixed;
  left: 10px;
  top: -60px;
  background: var(--blue);
  color: white;
  padding: 12px;
  z-index: 100;
}
.skip-link:focus {
  top: 10px;
}
.legal {
  max-width: 760px;
  margin: 70px auto 100px;
  padding: 0 25px;
}
.legal h1 {
  font-size: 34px;
  line-height: 1.4;
}
.legal h2 {
  font-size: 20px;
  margin: 35px 0 12px;
}
.legal p,
.legal li {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
}
.legal .eyebrow {
  color: var(--blue);
}
.legal a {
  color: var(--blue);
}
.error-page {
  min-height: 65vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 50px 25px;
}
.error-page > .eyebrow {
  color: var(--blue);
}
.error-page h1 {
  font-size: 36px;
}
.error-page p {
  color: var(--muted);
  margin: 0 0 30px;
}
@media (min-width: 1600px) {
  .hero-grid {
    min-height: 690px;
  }
  .hero-visual {
    height: 590px;
  }
  .hero h1 {
    font-size: 62px;
  }
}
@media (max-width: 1150px) {
  .container {
    width: calc(100% - 64px);
  }
  .header nav {
    gap: 22px;
  }
  .hero-grid {
    min-height: 600px;
  }
  .hero h1 {
    font-size: 44px;
  }
  .hero-visual {
    height: 480px;
    margin-right: 0;
  }
  .float-label {
    padding: 11px 12px;
    gap: 8px;
  }
  .float-label strong {
    font-size: 11px;
  }
  .float-label small {
    font-size: 5px;
  }
  .node-icon {
    font-size: 22px;
  }
  .hub {
    width: 110px;
    height: 110px;
  }
  .hero-actions {
    gap: 18px;
  }
  .hero-actions .text-link {
    font-size: 11px;
  }
  .audience-strip .container > div {
    gap: 20px;
  }
  .strip-end {
    display: none;
  }
  .service-card {
    padding: 23px 18px;
  }
  .service-card h3 {
    font-size: 16px;
  }
  .service-card > p {
    min-height: 93px;
  }
  .service-tags {
    min-height: 52px;
    align-content: flex-start;
  }
  .scenario-panel {
    gap: 45px;
  }
  .contact-grid {
    gap: 60px;
  }
  .about-grid {
    gap: 60px;
  }
}
@media (max-width: 850px) {
  .header {
    height: 76px;
  }
  .header nav {
    gap: 18px;
  }
  .header nav > a {
    font-size: 11px;
  }
  .header nav > .nav-contact {
    padding: 8px 11px;
    margin: 0;
  }
  .nav-contact span {
    margin-left: 9px;
  }
  .hero-grid {
    min-height: 570px;
    gap: 0;
    grid-template-columns: 1.1fr 1fr;
  }
  .hero-copy {
    padding: 47px 0;
  }
  .hero h1 {
    font-size: 37px;
    letter-spacing: -1.5px;
  }
  .hero-copy .eyebrow {
    font-size: 10px;
    letter-spacing: 0.8px;
  }
  .hero-description {
    font-size: 13px;
  }
  .hero-actions {
    align-items: flex-start;
    gap: 17px;
    flex-direction: column;
  }
  .hero-note {
    margin-top: 30px;
    font-size: 9px;
  }
  .hero-visual {
    height: 410px;
    margin-right: -10px;
  }
  .visual-top,
  .visual-bottom {
    font-size: 5px;
  }
  .float-label {
    padding: 10px 9px;
  }
  .float-label strong {
    font-size: 9px;
  }
  .float-label small {
    font-size: 4px;
    letter-spacing: 0.5px;
  }
  .node-icon {
    font-size: 18px;
  }
  .hub {
    width: 85px;
    height: 85px;
    border-radius: 17px;
    gap: 6px;
  }
  .hub img {
    width: 30px;
    height: 30px;
  }
  .hub strong {
    font-size: 14px;
  }
  .hub > span {
    font-size: 4px;
    letter-spacing: 1px;
  }
  .label-cloud {
    left: 0;
  }
  .label-ai {
    right: -5px;
  }
  .label-data {
    left: -8px;
  }
  .label-global {
    right: -5px;
  }
  .section {
    padding: 75px 0;
  }
  .section-heading {
    gap: 30px;
  }
  .section-heading h2 {
    font-size: 30px;
  }
  .section-heading > p {
    font-size: 12px;
  }
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card {
    padding: 27px;
  }
  .service-card:nth-child(3) {
    border-left: 0;
  }
  .service-card:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
  .service-card > p {
    min-height: 0;
  }
  .service-tags {
    min-height: 0;
  }
  .service-card h3 {
    font-size: 18px;
  }
  .operations {
    flex-wrap: wrap;
  }
  .operations > div:nth-child(2) {
    flex: 1;
  }
  .operations .text-link {
    margin-left: 65px;
  }
  .scenario-panel {
    gap: 25px;
    padding: 35px 0 0;
  }
  .flow-diagram {
    padding: 20px;
  }
  .scenario-copy h3 {
    font-size: 23px;
  }
  .scenario-copy > p,
  .scenario-copy ul {
    font-size: 11px;
  }
  .scenario-tabs button {
    padding: 16px;
    font-size: 12px;
  }
  .approach-intro {
    max-width: 330px;
  }
  .steps {
    gap: 22px;
  }
  .steps h3 {
    font-size: 16px;
  }
  .steps p {
    font-size: 11px;
  }
  .approach-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .about-grid {
    grid-template-columns: 1fr 1.3fr;
    gap: 40px;
  }
  .about h2 {
    font-size: 30px;
  }
  .about-sign {
    font-size: 11px;
    letter-spacing: 3px;
  }
  .about-sign span {
    display: block;
    border: 0;
    margin: 10px 0 0;
    padding: 0;
  }
  .about-copy > h3 {
    font-size: 16px;
  }
  .about-copy > p {
    font-size: 12px;
  }
  .about-principles {
    gap: 12px;
  }
  .contact-grid {
    gap: 35px;
  }
  .contact h2 {
    font-size: 34px;
  }
  .contact-card {
    padding: 24px;
  }
  .contact-card dl > div {
    gap: 12px;
    grid-template-columns: 60px 1fr;
    font-size: 11px;
  }
}
@media (max-width: 640px) {
  html {
    scroll-padding-top: 82px;
  }
  .container {
    width: calc(100% - 40px);
  }
  .header {
    height: 70px;
  }
  .brand img {
    width: 33px;
    height: 33px;
  }
  .brand > span {
    font-size: 21px;
  }
  .brand-en {
    font-size: 6px;
  }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 4px;
  }
  .menu-toggle span {
    width: 17px;
    height: 1px;
    background: var(--ink);
    transition: transform 0.2s;
  }
  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }
  .header nav {
    position: absolute;
    top: 69px;
    left: 0;
    right: 0;
    padding: 14px 20px 22px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 15px 20px #263c5810;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .header nav.open {
    display: flex;
  }
  .header nav > a {
    font-size: 14px;
    padding: 12px;
  }
  .header nav > .nav-contact {
    margin-top: 8px;
    padding: 12px;
    display: flex;
    justify-content: space-between;
  }
  .hero-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-height: 0;
  }
  .hero-copy {
    width: 100%;
    padding: 43px 0 15px;
  }
  .hero-copy .eyebrow {
    font-size: 10px;
    letter-spacing: 1.1px;
  }
  .hero h1 {
    font-size: clamp(35px, 9.8vw, 52px);
    letter-spacing: -1.5px;
    margin: 24px 0 19px;
    line-height: 1.4;
  }
  .hero-description {
    font-size: 13px;
  }
  .hero-actions {
    flex-direction: row;
    align-items: center;
    gap: 20px;
  }
  .button {
    padding: 11px 16px;
    font-size: 12px;
    gap: 22px;
  }
  .hero-actions .text-link {
    font-size: 10px;
    gap: 7px;
  }
  .hero-note {
    font-size: 9px;
    margin-top: 28px;
  }
  .hero-visual {
    width: 100%;
    max-width: 410px;
    height: auto;
    aspect-ratio: 1.06;
    margin: 0 auto 20px;
  }
  .hub {
    width: 99px;
    height: 99px;
    gap: 8px;
  }
  .hub img {
    width: 35px;
    height: 35px;
  }
  .hub strong {
    font-size: 16px;
  }
  .hub > span {
    font-size: 5px;
  }
  .float-label {
    padding: 11px 12px;
    gap: 8px;
  }
  .float-label strong {
    font-size: 10px;
  }
  .float-label small {
    font-size: 5px;
    letter-spacing: 0.7px;
  }
  .visual-top {
    top: 4px;
    font-size: 6px;
    left: 0;
    right: 0;
  }
  .visual-bottom {
    font-size: 5px;
    left: 0;
    right: 0;
  }
  .label-cloud {
    top: 19%;
    left: 0;
  }
  .label-ai {
    top: 32%;
    right: 0;
  }
  .label-data {
    top: 65%;
    left: 0;
  }
  .label-global {
    top: 80%;
    right: 0;
  }
  .audience-strip > .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 11px;
    padding-top: 20px;
    padding-bottom: 21px;
    min-height: 0;
  }
  .strip-label {
    font-size: 9px;
  }
  .audience-strip .container > div {
    width: 100%;
    justify-content: space-between;
    gap: 9px;
    font-size: 11px;
  }
  .section {
    padding: 59px 0;
  }
  .section-heading {
    display: block;
    margin-bottom: 29px;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 1.5px;
  }
  .section-heading h2,
  h2 {
    font-size: 28px;
    margin-top: 13px;
  }
  .section-heading > p {
    font-size: 12px;
    margin: 20px 0 0;
    line-height: 1.8;
  }
  .service-grid {
    grid-template-columns: 1fr;
    border-radius: 5px;
  }
  .service-card {
    padding: 25px;
  }
  .service-card + .service-card {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .card-top {
    margin-bottom: 20px;
  }
  .service-card h3 {
    font-size: 18px;
  }
  .service-card > p {
    font-size: 12px;
    margin-bottom: 18px;
  }
  .service-tags {
    margin-bottom: 19px;
  }
  .card-delivery {
    font-size: 10px;
  }
  .card-delivery span {
    display: inline;
    margin-right: 9px;
  }
  .operations {
    padding: 20px;
    gap: 14px;
  }
  .operations-icon {
    width: 35px;
    height: 35px;
    font-size: 21px;
    align-self: flex-start;
  }
  .operations h3 {
    font-size: 14px;
  }
  .operations p {
    font-size: 11px;
  }
  .operations .text-link {
    margin-left: 49px;
  }
  .service-footnote {
    font-size: 9px;
    line-height: 1.8;
  }
  .scenario-tabs button {
    font-size: 11px;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 10px;
    gap: 6px;
  }
  .scenario-tabs button span {
    font-size: 8px;
  }
  .scenario-panel {
    grid-template-columns: 1fr;
    gap: 25px;
    padding-top: 28px;
  }
  .scenario-copy h3 {
    font-size: 25px;
    margin-top: 12px;
  }
  .scenario-copy > p,
  .scenario-copy ul {
    font-size: 12px;
  }
  .scenario-copy ul {
    margin-bottom: 0;
    margin-top: 19px;
  }
  .flow-diagram {
    padding: 22px;
    max-width: 420px;
    width: 100%;
    margin: auto;
  }
  .diagram-heading {
    font-size: 6px;
  }
  .flow-box {
    font-size: 13px;
  }
  .approach-intro {
    max-width: none;
    margin-top: 23px;
  }
  .approach-intro p {
    font-size: 12px;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
    gap: 28px 24px;
    margin-top: 32px;
  }
  .step-top span {
    font-size: 25px;
  }
  .steps h3 {
    font-size: 16px;
    margin-top: 18px;
  }
  .steps p {
    font-size: 11px;
    min-height: 63px;
  }
  .steps article > div:last-child {
    font-size: 9px;
  }
  .approach-footer {
    margin-top: 32px;
  }
  .approach-footer strong {
    font-size: 12px;
  }
  .approach-footer > span {
    font-size: 9px;
    line-height: 1.8;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .about h2 {
    font-size: 30px;
  }
  .about-sign {
    margin-top: 26px;
    font-size: 12px;
  }
  .about-sign span {
    display: inline-block;
    margin: 0 0 0 14px;
    padding-left: 15px;
    border-left: 1px solid #ffffff26;
    font-size: 9px;
  }
  .about-copy > h3 {
    font-size: 16px;
  }
  .about-copy > p {
    font-size: 12px;
  }
  .about-principles {
    gap: 10px;
  }
  .about-principles strong {
    font-size: 11px;
  }
  .about-principles p {
    font-size: 9px;
    line-height: 1.8;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .contact h2 {
    font-size: 32px;
  }
  .contact .container > div > p {
    font-size: 12px;
  }
  .contact-card {
    padding: 24px;
  }
  .contact-card dl > div {
    font-size: 12px;
    grid-template-columns: 64px 1fr;
    gap: 17px;
  }
  .contact-card-heading {
    margin-bottom: 20px;
  }
  .footer {
    padding-top: 27px;
  }
  .footer-top {
    gap: 15px;
    flex-wrap: wrap;
    padding-bottom: 24px;
  }
  .footer-top > span {
    font-size: 9px;
    padding-left: 15px;
  }
  .footer-top > a:last-child {
    display: none;
  }
  .footer-bottom {
    flex-direction: column;
    font-size: 9px;
    gap: 12px;
  }
  .footer-bottom > div {
    gap: 17px;
  }
  .legal {
    margin-top: 45px;
  }
  .legal h1 {
    font-size: 29px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
}