:root {
  color-scheme: dark;
  --canvas: #090b0d;
  --surface: #101214;
  --surface-raised: #16181a;
  --line: #292b2e;
  --ink: #f4f3f0;
  --muted: #a3a5aa;
  --subtle: #85888f;
  --accent: #ef9d55;
  --accent-hover: #ffb97c;
  --max: 1240px;
  --font: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 105px;
}
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button:focus-visible,
a:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
}
button:disabled {
  cursor: default;
}
img {
  display: block;
  max-width: 100%;
}
h1,
h2,
h3,
h4,
p {
  margin: 0;
}
h1,
h2,
h3,
h4 {
  font-weight: 500;
}
::selection {
  background: var(--accent);
  color: var(--canvas);
}
.wrap {
  width: calc(100% - 112px);
  max-width: var(--max);
  margin-inline: auto;
}
.accent {
  color: var(--accent);
}
.site-header {
  height: 90px;
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 11, 13, 0.96);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand .cms-logo {
  width: auto;
  height: 60px;
  max-width: 165px;
  object-fit: contain;
}
@media (max-width: 600px) {
  .brand .cms-logo {
    width: auto;
    height: 48px;
    max-width: 110px;
  }
}
.brand > span {
  font-size: 23px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 3px;
}
.brand-en {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 3.3px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 33px;
}
.nav a {
  font-size: 13px;
  color: var(--muted);
  position: relative;
  padding: 34px 0;
}
.nav a:after {
  content: "";
  position: absolute;
  bottom: 23px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s;
}
.nav a:hover,
.nav a.is-active {
  color: var(--ink);
}
.nav a.is-active:after {
  width: 18px;
}
.header-cta {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 12px;
  border: 1px solid #49443e;
  padding: 9px 17px;
  border-radius: 4px;
}
.header-cta span {
  color: var(--accent);
  font-size: 17px;
}
.header-cta:hover {
  border-color: var(--accent);
}
.menu-toggle {
  display: none;
}
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.02fr;
  align-items: center;
  min-height: 620px;
  gap: 10px;
  padding-top: 28px;
  padding-bottom: 26px;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 4px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 2px;
  color: #c4b6a9;
  margin-bottom: 26px;
}
.status-dot {
  width: 5px;
  height: 5px;
  display: inline-block;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.eyebrow-line {
  height: 1px;
  width: 38px;
  background: #5e4734;
  margin-left: 4px;
}
h1 {
  font-size: clamp(40px, 4.25vw, 64px);
  line-height: 1.34;
  letter-spacing: -2px;
  font-weight: 500;
  white-space: nowrap;
}
.title-period {
  color: var(--accent);
}
.hero-copy {
  font-size: 15px;
  color: var(--muted);
  line-height: 2;
  margin-top: 25px;
  max-width: 435px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  min-height: 48px;
  padding: 13px 22px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition:
    background 0.2s,
    border-color 0.2s,
    transform 0.2s;
}
.button:hover {
  transform: translateY(-2px);
}
.button-primary {
  background: var(--accent);
  color: #17120e;
}
.button-primary:hover {
  background: var(--accent-hover);
}
.button-outline {
  background: transparent;
  border-color: #3a3b3d;
  color: var(--ink);
}
.button-outline:hover {
  background: var(--surface-raised);
  border-color: #707075;
}
.hero-qualities {
  display: flex;
  gap: 24px;
  margin-top: 24px;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--subtle);
}
.hero-qualities span:before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  border: 1px solid #6c6e73;
  transform: rotate(45deg);
  margin-right: 8px;
}
.hero-art {
  position: relative;
  min-width: 0;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.engine-image {
  width: 116%;
  max-width: none;
  margin-left: -8%;
  height: auto;
}
.art-label,
.art-caption {
  position: absolute;
  left: 8%;
  right: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 1px;
  color: var(--subtle);
}
.art-label {
  top: 36px;
}
.art-label > span:last-child {
  margin-left: auto;
  color: #a7a19a;
}
.art-caption {
  bottom: 30px;
  justify-content: space-between;
  font-size: 8px;
}
.art-caption > span:last-child {
  font-family: var(--font);
  letter-spacing: 1px;
}
.art-caption > span:last-child span {
  color: var(--accent);
  padding-left: 8px;
}
.capability-rail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 27px;
  padding-bottom: 27px;
}
.capability-rail > div {
  display: grid;
  grid-template-columns: auto auto;
  column-gap: 15px;
  row-gap: 1px;
  align-items: center;
}
.capability-rail > div > span {
  grid-row: span 2;
  align-self: center;
  font: 11px var(--mono);
  color: var(--accent);
}
.capability-rail strong {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 1px;
}
.capability-rail small {
  font: 8px var(--mono);
  letter-spacing: 1px;
  color: var(--subtle);
}
.capability-rail > i {
  font: 18px var(--mono);
  color: #55565a;
}
.model-strip {
  padding-top: 33px;
  padding-bottom: 34px;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px 30px;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.strip-title {
  color: var(--subtle);
  font-size: 11px;
  letter-spacing: 1px;
}
.model-names {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.model-names > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 7px 12px;
  border: 1px solid #334047;
  border-radius: 2px;
  background: #10191d;
  color: #d6dcdf;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2px;
  line-height: 1.5;
  white-space: nowrap;
}
.model-names img {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  object-fit: contain;
}
.model-strip > p {
  grid-column: 2;
  font-size: 10px;
  color: var(--subtle);
  letter-spacing: 0.4px;
}
.section {
  padding-top: 100px;
  padding-bottom: 100px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 42px;
}
.section-kicker {
  font: 10px var(--mono);
  color: var(--accent);
  letter-spacing: 1.8px;
  margin-bottom: 19px;
}
h2 {
  font-size: clamp(30px, 3vw, 43px);
  line-height: 1.45;
  letter-spacing: -1px;
}
.section-intro {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.95;
  margin-bottom: 6px;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 26px 23px 18px;
  border-radius: 5px;
  display: flex;
  flex-direction: column;
  transition:
    background 0.2s,
    border-color 0.2s;
}
.service-card:hover {
  background: #151719;
  border-color: #605044;
}
.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 31px;
}
.card-top svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: #d4b69c;
  stroke-width: 1.2;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.card-top > span {
  font: 10px var(--mono);
  color: var(--subtle);
}
.service-card h3 {
  font-size: 17px;
  letter-spacing: -0.4px;
  margin-bottom: 13px;
}
.service-card > p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.95;
  margin-bottom: 20px;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  margin-bottom: 24px;
}
.card-tags span {
  font-size: 9px;
  line-height: 1.7;
  color: #b0b1b3;
  background: #1d1f21;
  border: 1px solid #303234;
  padding: 3px 6px;
  border-radius: 2px;
}
.card-link {
  font-size: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  color: #c2c1bd;
}
.card-link span {
  color: var(--accent);
  font-size: 16px;
}
.card-link:hover {
  color: var(--accent);
}
.solutions-section {
  background: #0d0f11;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.solution-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}
.solution-tabs button {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 19px 22px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  font-size: 14px;
  color: var(--muted);
  text-align: left;
}
.solution-tabs button span {
  font: 10px var(--mono);
  color: var(--subtle);
}
.solution-tabs button:hover {
  background: var(--surface);
}
.solution-tabs button[aria-selected="true"] {
  border-bottom-color: var(--accent);
  background: #171615;
  color: var(--ink);
}
.solution-tabs button[aria-selected="true"] span {
  color: var(--accent);
}
.solution-panel {
  display: grid;
  grid-template-columns: 0.95fr 1fr;
  gap: 90px;
  padding: 47px 0 24px;
  align-items: center;
  min-height: 490px;
}
.solution-panel[hidden] {
  display: none !important;
}
.outline-label {
  font: 9px var(--mono);
  color: var(--subtle);
  letter-spacing: 1.1px;
}
.solution-copy h3 {
  font-size: 31px;
  line-height: 1.5;
  letter-spacing: -0.8px;
  margin: 17px 0;
}
.solution-copy > p {
  font-size: 13px;
  color: var(--muted);
  max-width: 420px;
  line-height: 1.95;
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 25px;
}
.check-list li {
  font-size: 12px;
  color: #c0c1c3;
  margin: 8px 0;
  padding-left: 20px;
  position: relative;
}
.check-list li:before {
  content: "";
  position: absolute;
  width: 7px;
  height: 4px;
  border-left: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  transform: rotate(-45deg);
  left: 1px;
  top: 8px;
}
.text-link {
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 25px;
  color: #e4c09f;
}
.text-link span {
  font-size: 18px;
}
.text-link:hover {
  color: var(--accent-hover);
}
.demo-window {
  border: 1px solid #353331;
  border-radius: 8px;
  background: #111315;
  padding: 22px 24px 15px;
  position: relative;
}
.demo-top {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 17px;
}
.demo-symbol {
  font: 600 20px var(--mono);
  color: var(--accent);
  padding-right: 4px;
}
.demo-badge {
  margin-left: auto;
  font-size: 9px;
  border: 1px solid #4d4237;
  border-radius: 3px;
  padding: 1px 7px;
  color: #c7ac93;
}
.chat-question {
  margin: 25px 0 23px auto;
  background: #272421;
  border: 1px solid #3b332c;
  border-radius: 5px 5px 0 5px;
  padding: 10px 13px;
  width: fit-content;
  font-size: 11px;
}
.chat-answer {
  display: flex;
  gap: 11px;
  font-size: 11px;
  line-height: 1.9;
}
.assistant-icon {
  width: 25px;
  height: 25px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border: 1px solid #5e4835;
  border-radius: 4px;
  color: var(--accent);
  font: 12px var(--mono);
}
.chat-answer strong {
  font-weight: 400;
  color: #e2ded9;
  font-size: 11px;
}
.chat-answer p {
  margin-top: 10px;
  color: var(--muted);
}
.chat-answer ol {
  margin: 7px 0 16px;
  padding-left: 17px;
  color: #c1c2c5;
}
.source-chip {
  font-size: 9px;
  color: #c9a88a;
  border: 1px solid #493e33;
  padding: 4px 8px;
  display: inline-block;
  border-radius: 3px;
}
.demo-input {
  border: 1px solid #343538;
  margin-top: 27px;
  padding: 12px 13px;
  border-radius: 4px;
  color: var(--subtle);
  display: flex;
  justify-content: space-between;
  font-size: 10px;
}
.demo-input > span {
  display: grid;
  place-items: center;
  background: #d9b797;
  color: #151312;
  border-radius: 2px;
  width: 20px;
  height: 20px;
}
.demo-note {
  font-size: 8px;
  color: var(--subtle);
  text-align: center;
  padding-top: 13px;
  display: flex;
  justify-content: space-between;
  gap: 5px;
}
.demo-note > span {
  color: #6c5541;
}
.scenario-visual {
  border: 1px solid #353331;
  background: var(--surface);
  border-radius: 8px;
  padding: 32px;
  min-height: 370px;
}
.scenario-visual h4 {
  font-size: 25px;
  line-height: 1.5;
  margin: 21px 0 27px;
}
.flow-row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 13px 0;
}
.flow-row > span {
  flex: 1;
  text-align: center;
  border: 1px solid #393a3d;
  background: #1b1d1f;
  padding: 10px;
  font-size: 12px;
  border-radius: 3px;
}
.flow-row > b {
  font-weight: 400;
  color: var(--accent);
}
.flow-result {
  font-size: 11px;
  color: #d8b99f;
  background: #251e19;
  padding: 12px;
  margin-top: 24px;
  border: 1px solid #54412f;
}
.flow-result .status-dot {
  margin-right: 8px;
}
.scenario-visual > p {
  font-size: 10px;
  color: var(--subtle);
  margin-top: 14px;
}
.solution-disclaimer {
  color: var(--subtle);
  font-size: 10px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-top: 10px;
}
.delivery-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 38px;
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
}
.step-number {
  display: flex;
  align-items: center;
  gap: 20px;
  font: 20px var(--mono);
  color: var(--accent);
  margin-bottom: 22px;
}
.step-number i {
  height: 1px;
  flex: 1;
  background: var(--line);
  position: relative;
}
.step-number i:after {
  content: "";
  position: absolute;
  right: 0;
  top: -2px;
  width: 5px;
  height: 5px;
  background: #55504a;
  border-radius: 50%;
}
.delivery-steps h3 {
  font-size: 18px;
  margin-bottom: 12px;
}
.delivery-steps p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 24px;
}
.step-output {
  font-size: 10px;
  color: #9d9287;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: block;
}
.about-section {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 85px 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.about-company {
  font-size: 12px;
  color: var(--subtle);
  margin-top: 23px;
}
.about-lead {
  font-size: 21px;
  line-height: 1.8;
  color: #e5e2dd;
  margin-bottom: 21px;
}
.about-copy > p:not(.about-lead) {
  font-size: 12px;
  line-height: 2;
  color: var(--muted);
  margin-bottom: 15px;
}
.about-principles {
  display: flex;
  flex-wrap: wrap;
  gap: 23px;
  border-top: 1px solid var(--line);
  padding-top: 21px;
  margin-top: 24px;
  font-size: 10px;
  color: #cbb29b;
}
.partners {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.partners-heading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}
.partners-heading > p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}
.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 0;
  min-height: 112px;
  padding: 18px 12px 14px;
  border: 1px solid #293b43;
  border-radius: 2px;
  background: #0b1419;
  text-align: center;
  transition:
    border-color 0.2s,
    background 0.2s;
}
.partner-card:hover,
.partner-card:focus-visible {
  border-color: #668a98;
  background: #101f26;
}
.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 40px;
  overflow: hidden;
}
.partner-logo img {
  width: auto;
  height: 36px;
  max-width: 85%;
  object-fit: contain;
}
.partner-logo .partner-infinigence {
  filter: brightness(0) invert(1);
  opacity: 0.9;
}
.partner-logo .partner-centlt {
  width: 220px;
  height: auto;
  max-width: none;
  flex-shrink: 0;
  clip-path: inset(0 44% 0 0);
  transform: translateX(22%);
  filter: brightness(0) invert(1);
  opacity: 0.9;
}
.partner-logo .partner-mobile {
  height: 29px;
}
.partner-card > span {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}
@media (max-width: 850px) {
  .partners-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}
@media (max-width: 600px) {
  .partners {
    margin-top: 36px;
    padding-top: 26px;
  }
  .partners-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .partner-card {
    min-height: 102px;
    padding: 14px 8px;
    gap: 9px;
  }
  .partner-logo img {
    height: 29px;
    max-width: 92%;
  }
  .partner-logo .partner-centlt {
    width: 190px;
    height: auto;
    max-width: none;
  }
  .partner-logo .partner-mobile {
    height: 24px;
  }
}
.contact-heading h2 {
  font-size: clamp(30px, 3.3vw, 46px);
}
.contact-heading > p:last-child {
  color: var(--muted);
  font-size: 13px;
  margin-top: 18px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  margin-top: 54px;
}
.contact-details h3 {
  font-size: 25px;
  margin: 17px 0 15px;
}
.contact-details > p {
  font-size: 12px;
  color: var(--muted);
  max-width: 340px;
  line-height: 2;
}
.contact-method {
  margin: 28px 0 20px;
}
.contact-method > span {
  color: var(--subtle);
  font-size: 10px;
}
.contact-method > p {
  font-size: 13px;
  margin-top: 8px;
}
.contact-method a {
  color: var(--ink);
}
.contact-method a:hover {
  color: var(--accent);
}
.contact-email {
  font: 25px var(--mono);
  letter-spacing: -0.8px;
  display: inline-block;
  margin: 6px 0 15px;
}
.contact-meta {
  display: grid;
  grid-template-columns: 65px 1fr;
  row-gap: 12px;
  font-size: 12px;
  margin: 0;
}
.contact-meta dt {
  color: var(--subtle);
}
.contact-meta dd {
  margin: 0;
  color: #c8c9cb;
}
.consultation-brief {
  border: 1px solid var(--line);
  padding: 26px 30px 15px;
  background: var(--surface);
  border-radius: 5px;
  scroll-margin-top: 110px;
}
.brief-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 12px;
  padding-bottom: 21px;
  border-bottom: 1px solid var(--line);
}
.brief-heading > span:last-child {
  font: 8px var(--mono);
  letter-spacing: 1px;
  align-self: center;
  color: var(--subtle);
}
.consultation-brief ol {
  padding: 0;
  margin: 23px 0;
  list-style: none;
  display: grid;
  gap: 19px;
}
.consultation-brief li {
  display: flex;
  gap: 15px;
}
.consultation-brief li > span {
  font: 10px var(--mono);
  color: var(--accent);
  padding-top: 6px;
}
.consultation-brief h4 {
  font-size: 12px;
}
.consultation-brief li p {
  font-size: 10px;
  color: var(--subtle);
  margin-top: 4px;
}
.consultation-brief .button {
  width: 100%;
  font-size: 11px;
  min-height: 42px;
  justify-content: space-between;
}
.copy-status {
  font-size: 10px;
  min-height: 18px;
  margin-top: 6px;
  color: #c6b29e;
}
.brief-fallback {
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  background: var(--canvas);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  font: 12px/1.8 var(--font);
  resize: vertical;
}
.footer {
  border-top: 1px solid var(--line);
  background: #0c0e10;
}
.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding-top: 31px;
  padding-bottom: 31px;
}
.footer-main .brand > span {
  font-size: 19px;
}
.footer-main .brand-en {
  font-size: 8px;
}
.footer-main > p {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--subtle);
}
.back-top {
  font-size: 10px;
  color: var(--muted);
}
.back-top span {
  color: var(--accent);
  padding-left: 17px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  padding-bottom: 20px;
  color: var(--subtle);
  font-size: 9px;
  flex-wrap: wrap;
}
.copyright {
  flex: 1 1 100%;
  min-width: 0;
  font-size: 11px;
  line-height: 2.4;
}
.copyright a {
  display: inline-block;
  white-space: nowrap;
}
.copyright a:hover {
  color: var(--accent);
}
.copyright-divider {
  display: inline-block;
  margin: 0 7px;
  color: #55585e;
}
.copyright .webInfo-gs {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  vertical-align: middle;
}
.webInfo-ga-icon {
  display: inline-block;
  width: auto;
  height: 16px;
  flex-shrink: 0;
}
.footer-bottom > span:last-child {
  font-family: var(--mono);
  letter-spacing: 1px;
}
.skip-link {
  position: fixed;
  top: -60px;
  left: 15px;
  z-index: 100;
  background: var(--accent);
  color: #111;
  padding: 10px 15px;
}
.skip-link:focus {
  top: 10px;
}
@media (min-width: 1550px) {
  .hero-grid {
    min-height: 690px;
  }
  .hero-art .engine-image {
    width: 124%;
    margin-left: -10%;
  }
}
@media (max-width: 1150px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .nav {
    gap: 21px;
  }
  .hero-grid {
    min-height: 560px;
  }
  .hero-copy {
    font-size: 13px;
    max-width: 360px;
  }
  .service-grid {
    gap: 12px;
  }
  .service-card {
    padding: 22px 17px 16px;
  }
  .service-card h3 {
    font-size: 15px;
  }
  .card-tags {
    gap: 4px;
  }
  .card-tags span {
    font-size: 8px;
    padding: 3px 4px;
  }
  .solution-panel {
    gap: 50px;
  }
  .section {
    padding-top: 80px;
    padding-bottom: 80px;
  }
  .art-label {
    font-size: 7px;
    left: 6%;
  }
  .art-caption {
    left: 6%;
    font-size: 7px;
  }
  .model-strip {
    grid-template-columns: 135px 1fr;
  }
  .contact-grid {
    gap: 60px;
  }
  .delivery-steps {
    gap: 24px;
  }
}
@media (max-width: 850px) {
  .wrap {
    width: calc(100% - 48px);
  }
  .site-header {
    height: 75px;
  }
  .brand > span {
    font-size: 20px;
  }
  .brand-en {
    font-size: 8px;
  }
  .nav {
    gap: 18px;
  }
  .nav a {
    font-size: 11px;
    padding: 26px 0;
  }
  .nav a:after {
    bottom: 17px;
  }
  .header-cta {
    display: none;
  }
  .hero-grid {
    min-height: 520px;
    grid-template-columns: 1.08fr 0.9fr;
    gap: 0;
  }
  h1 {
    font-size: clamp(32px, 5vw, 42px);
  }
  .hero-art {
    margin-left: -35px;
    margin-right: -50px;
    opacity: 0.85;
  }
  .hero-copy {
    font-size: 12px;
    max-width: 330px;
  }
  .eyebrow {
    font-size: 10px;
  }
  .hero-actions {
    gap: 8px;
  }
  .button {
    font-size: 11px;
    padding: 12px 15px;
    gap: 18px;
  }
  .art-label,
  .art-caption {
    display: none;
  }
  .capability-rail > div {
    column-gap: 10px;
  }
  .capability-rail strong {
    font-size: 12px;
  }
  .capability-rail small {
    font-size: 6px;
  }
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .service-card {
    padding: 25px;
  }
  .service-card h3 {
    font-size: 18px;
  }
  .service-card p {
    font-size: 13px;
  }
  .card-tags span {
    font-size: 10px;
  }
  .card-link {
    font-size: 11px;
  }
  .section-intro {
    font-size: 11px;
  }
  .solution-panel {
    gap: 28px;
  }
  .solution-copy h3 {
    font-size: 26px;
  }
  .solution-copy > p {
    font-size: 12px;
  }
  .demo-window {
    padding: 17px 15px 13px;
  }
  .chat-answer {
    gap: 8px;
    font-size: 10px;
  }
  .chat-question {
    font-size: 10px;
  }
  .chat-answer strong {
    font-size: 10px;
  }
  .source-chip {
    font-size: 8px;
  }
  .demo-note {
    font-size: 7px;
  }
  .delivery-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
  }
  .about-grid {
    gap: 40px;
    grid-template-columns: 0.9fr 1fr;
  }
  .about-lead {
    font-size: 18px;
  }
  .about-principles {
    gap: 12px;
  }
  .contact-grid {
    gap: 35px;
  }
  .contact-email {
    font-size: 22px;
  }
  .consultation-brief {
    padding: 22px 20px 13px;
  }
  .brief-heading > span:last-child {
    display: none;
  }
}
@media (max-width: 600px) {
  html {
    scroll-padding-top: 88px;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    height: 72px;
  }
  .header-inner {
    gap: 15px;
  }
  .brand > img {
    width: 29px;
    height: 29px;
  }
  .brand > span {
    font-size: 19px;
  }
  .brand-en {
    font-size: 7px;
    letter-spacing: 2.8px;
    margin-top: 5px;
  }
  .header-cta {
    display: flex;
    margin-left: auto;
    padding: 6px 10px;
    font-size: 10px;
    gap: 10px;
  }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    align-items: center;
    background: none;
    border: 1px solid var(--line);
    width: 34px;
    height: 34px;
    border-radius: 3px;
  }
  .menu-toggle span {
    width: 14px;
    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);
  }
  .nav {
    display: none;
    position: absolute;
    top: 71px;
    left: 0;
    right: 0;
    background: #101214;
    border-bottom: 1px solid #444;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
  }
  .nav.is-open {
    display: flex;
  }
  .nav a {
    font-size: 14px;
    padding: 12px 8px;
  }
  .nav a:after {
    bottom: 7px;
    left: 8px;
  }
  .hero-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding-top: 44px;
    padding-bottom: 0;
  }
  .hero-content {
    width: 100%;
  }
  .eyebrow {
    font-size: 9px;
    margin-bottom: 19px;
    letter-spacing: 1.8px;
  }
  h1 {
    font-size: clamp(34px, 9vw, 49px);
    letter-spacing: -1.8px;
    line-height: 1.4;
  }
  .hero-copy {
    font-size: 12px;
    max-width: 100%;
    margin-top: 20px;
    line-height: 1.95;
  }
  .hero-actions {
    margin-top: 25px;
    gap: 12px;
  }
  .hero-actions .button {
    font-size: 12px;
    padding: 13px 17px;
    gap: 20px;
  }
  .hero-qualities {
    font-size: 10px;
    margin-top: 21px;
  }
  .hero-art {
    width: 100%;
    height: 320px;
    align-self: center;
    margin: -15px 0 -5px;
    opacity: 1;
  }
  .engine-image {
    width: 115%;
    margin-left: -7.5%;
    max-height: 365px;
    object-fit: contain;
  }
  .capability-rail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 25px;
    padding-top: 25px;
    padding-bottom: 25px;
  }
  .capability-rail > i {
    display: none;
  }
  .capability-rail > div {
    grid-template-columns: 21px auto;
    justify-content: start;
    column-gap: 11px;
  }
  .capability-rail strong {
    font-size: 12px;
  }
  .capability-rail small {
    font-size: 7px;
  }
  .model-strip {
    display: block;
    padding-top: 26px;
    padding-bottom: 26px;
  }
  .strip-title {
    font-size: 10px;
    display: block;
    margin-bottom: 18px;
  }
  .model-names {
    gap: 8px;
  }
  .model-names > span {
    padding-inline: 10px;
    font-size: 11px;
  }
  .model-strip > p {
    font-size: 9px;
    margin-top: 14px;
    line-height: 1.8;
  }
  .section {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .section-heading {
    display: block;
    margin-bottom: 30px;
  }
  .section-kicker {
    font-size: 9px;
    margin-bottom: 15px;
    letter-spacing: 1.5px;
  }
  h2 {
    font-size: 30px;
    line-height: 1.45;
  }
  .section-intro {
    margin-top: 20px;
    font-size: 12px;
  }
  .service-grid {
    gap: 12px;
  }
  .service-card {
    padding: 20px 15px 15px;
  }
  .card-top {
    margin-bottom: 23px;
  }
  .card-top svg {
    width: 26px;
    height: 26px;
  }
  .service-card h3 {
    font-size: 15px;
    letter-spacing: -0.5px;
    line-height: 1.6;
    margin-bottom: 12px;
  }
  .service-card > p {
    font-size: 11px;
    line-height: 1.9;
    margin-bottom: 18px;
  }
  .card-tags {
    gap: 5px;
    margin-bottom: 20px;
  }
  .card-tags span {
    font-size: 8px;
    padding: 2px 5px;
  }
  .card-link {
    font-size: 9px;
  }
  .card-link span {
    font-size: 14px;
  }
  .solution-tabs button {
    font-size: 11px;
    padding: 16px 7px;
    gap: 4px;
    justify-content: center;
  }
  .solution-tabs button span {
    display: none;
  }
  .solution-panel {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 29px;
    padding-bottom: 22px;
    min-height: auto;
  }
  .solution-copy h3 {
    font-size: 27px;
    margin-top: 13px;
  }
  .solution-copy > p {
    max-width: 100%;
  }
  .check-list li {
    font-size: 11px;
  }
  .demo-window {
    padding: 20px 18px 15px;
  }
  .demo-top {
    font-size: 12px;
  }
  .demo-badge {
    font-size: 9px;
  }
  .chat-question {
    font-size: 11px;
  }
  .chat-answer,
  .chat-answer strong {
    font-size: 11px;
  }
  .source-chip {
    font-size: 9px;
  }
  .demo-note {
    font-size: 8px;
  }
  .solution-disclaimer {
    font-size: 9px;
    line-height: 1.9;
  }
  .scenario-visual {
    padding: 25px;
    min-height: 350px;
  }
  .delivery .section-heading > .text-link {
    margin-top: 20px;
  }
  .delivery-steps {
    gap: 30px 22px;
    padding-top: 4px;
  }
  .step-number {
    font-size: 17px;
    margin-bottom: 17px;
  }
  .delivery-steps h3 {
    font-size: 16px;
  }
  .delivery-steps p {
    font-size: 11px;
    margin-bottom: 18px;
  }
  .step-output {
    font-size: 9px;
  }
  .about-section {
    padding: 55px 0;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .about-company {
    margin-top: 16px;
  }
  .about-lead {
    font-size: 21px;
  }
  .about-copy > p:not(.about-lead) {
    font-size: 12px;
  }
  .about-principles {
    gap: 19px;
    font-size: 9px;
  }
  .contact-heading h2 {
    font-size: 29px;
    letter-spacing: -1px;
  }
  .contact-heading > p:last-child {
    font-size: 12px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 34px;
  }
  .contact-details h3 {
    font-size: 23px;
  }
  .contact-details > p {
    max-width: 100%;
  }
  .contact-meta {
    font-size: 11px;
  }
  .contact-email {
    font-size: 25px;
  }
  .consultation-brief {
    padding: 23px 21px 15px;
  }
  .brief-heading > span:last-child {
    display: block;
    font-size: 7px;
  }
  .consultation-brief h4 {
    font-size: 12px;
  }
  .consultation-brief li p {
    font-size: 10px;
  }
  .footer-main {
    flex-wrap: wrap;
    gap: 22px;
    padding-top: 27px;
    padding-bottom: 25px;
  }
  .footer-main > p {
    font-size: 10px;
    letter-spacing: 1px;
  }
  .footer-main .brand > span {
    font-size: 17px;
  }
  .footer-main .brand-en {
    font-size: 7px;
  }
  .back-top {
    margin-left: auto;
  }
  .footer-bottom {
    display: block;
    font-size: 8px;
    line-height: 2.1;
    padding-top: 17px;
    padding-bottom: 17px;
  }
  .footer-bottom > span:last-child {
    display: block;
    margin-top: 5px;
    font-size: 8px;
  }
  .footer-bottom > div:empty {
    display: none;
  }
}
body.business-dialog-open {
  overflow: hidden;
}
.header-cta[data-open-business] {
  background: transparent;
}
.text-link[data-open-business] {
  padding: 0;
  border: 0;
  background: transparent;
}
.business-dialog {
  width: min(540px, calc(100% - 32px));
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  margin: auto;
  padding: 34px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid #45403a;
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 24px 100px #0009;
}
.business-dialog::backdrop {
  background: #000b;
  backdrop-filter: blur(6px);
}
.business-dialog h2 {
  font-size: 28px;
  line-height: 1.4;
}
.business-dialog .section-kicker {
  margin-bottom: 10px;
}
.business-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface-raised);
  color: var(--muted);
  font-size: 25px;
  line-height: 1;
}
.business-close:hover {
  color: var(--ink);
  border-color: var(--accent);
}
.business-description {
  margin: 10px 0 24px;
  color: var(--muted);
  font-size: 12px;
}
.business-fields {
  display: grid;
  gap: 16px;
}
.business-field label {
  display: block;
  margin-bottom: 7px;
  font-size: 12px;
  color: var(--ink);
}
.business-field label span {
  color: var(--accent);
}
.business-field input,
.business-field textarea {
  display: block;
  width: 100%;
  min-width: 0;
  padding: 11px 12px;
  border: 1px solid #3b3d40;
  border-radius: 5px;
  background: var(--canvas);
  color: var(--ink);
  font: 14px/1.6 var(--font);
}
.business-field textarea {
  resize: vertical;
  min-height: 90px;
  max-height: 220px;
}
.business-field input::placeholder,
.business-field textarea::placeholder {
  color: var(--subtle);
}
.business-field input:focus,
.business-field textarea:focus {
  border-color: var(--accent);
  outline: 2px solid #ef9d5526;
  outline-offset: 1px;
}
.business-captcha-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.business-captcha-row input {
  flex: 1;
}
.business-captcha-refresh {
  flex: 0 0 120px;
  padding: 0;
  border: 1px solid #3b3d40;
  border-radius: 5px;
  overflow: hidden;
  background: #fff;
}
.business-captcha-refresh img {
  width: 120px;
  height: 44px;
  object-fit: fill;
}
.business-help,
.business-notice,
.business-status {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.8;
}
.business-help {
  margin-top: 7px;
}
.business-notice {
  margin: 20px 0 16px;
}
.business-submit {
  width: 100%;
}
.business-submit:disabled {
  opacity: 0.6;
  transform: none;
}
.business-status:not(:empty) {
  margin-top: 10px;
}
@media (max-width: 600px) {
  .business-dialog {
    padding: 26px 20px;
  }
  .business-dialog h2 {
    font-size: 25px;
  }
  .business-field input,
  .business-field textarea {
    font-size: 16px;
  }
  .business-captcha-refresh {
    flex-basis: 100px;
  }
  .business-captcha-refresh img {
    width: 100px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
}