:root {
  color-scheme: dark;
  --paper: #030713;
  --paper-strong: rgba(5, 15, 32, 0.96);
  --surface: rgba(8, 24, 48, 0.78);
  --surface-2: rgba(7, 20, 40, 0.92);
  --ink: #f4fbff;
  --ink-soft: #b8c9dc;
  --ink-faint: #70869e;
  --line: rgba(112, 240, 255, 0.2);
  --orange: #22f4ff;
  --orange-dark: #58ff95;
  --orange-wash: rgba(88, 255, 149, 0.09);
  --blue: #22f4ff;
  --blue-wash: rgba(34, 244, 255, 0.08);
  --green: #58ff95;
  --lime: #c9ff4d;
  --magenta: #ff4fd8;
  --violet: #7b61ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38), inset 0 0 30px rgba(34, 244, 255, 0.04);
  --shadow-card: 0 15px 46px rgba(0, 0, 0, 0.28), inset 0 0 22px rgba(34, 244, 255, 0.04);
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --container: min(1200px, calc(100% - 48px));
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Inter, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}

body.modal-open {
  overflow: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

button {
  cursor: pointer;
}

.paper-grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.025;
  background-image: radial-gradient(#132740 0.7px, transparent 0.7px);
  background-size: 6px 6px;
}

.model-icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 78px;
  border-bottom: 1px solid transparent;
  background: rgba(255, 249, 241, 0.86);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 26px rgba(55, 39, 24, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 34px;
  width: var(--container);
  height: 100%;
  margin: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 70px;
  height: 46px;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-copy strong {
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
}

.site-nav a {
  position: relative;
  padding: 9px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.language {
  position: relative;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 13px;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-strong);
}

.language-toggle:hover,
.language.open .language-toggle {
  color: var(--ink);
  border-color: #cfb9a5;
}

.chevron {
  display: block;
  width: 7px;
  height: 7px;
  margin-top: -4px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.language-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  display: grid;
  gap: 4px;
  width: 144px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper-strong);
  box-shadow: var(--shadow-card);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 150ms ease, transform 150ms ease;
}

.language.open .language-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.language-menu button {
  height: 37px;
  padding: 0 10px;
  text-align: left;
  border: 0;
  border-radius: 10px;
  background: transparent;
}

.language-menu button:hover,
.language-menu button[aria-checked="true"] {
  color: var(--orange-dark);
  background: var(--orange-wash);
}

.nav-toggle {
  display: none;
  width: 45px;
  height: 45px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 180ms ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  padding: 0 22px;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: var(--orange);
  box-shadow: 0 12px 22px rgba(240, 91, 63, 0.24);
}

.button-primary:hover {
  background: var(--orange-dark);
  box-shadow: 0 16px 28px rgba(240, 91, 63, 0.31);
}

.button-line {
  min-height: 46px;
  padding-inline: 20px;
  color: var(--orange-dark);
  border-color: #ebc4b5;
  background: var(--paper-strong);
}

.button-line:hover {
  background: var(--orange-wash);
}

.button-soft {
  color: var(--blue);
  border-color: #c5d4f6;
  background: var(--blue-wash);
}

.button-plain {
  color: var(--ink);
  border-color: var(--line);
  background: transparent;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 70px 0 0;
}

.hero::before {
  content: "";
  position: absolute;
  top: -320px;
  right: -260px;
  width: 850px;
  height: 850px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 91, 63, 0.16), rgba(240, 91, 63, 0) 66%);
}

.hero::after {
  content: "";
  position: absolute;
  top: 150px;
  left: -340px;
  width: 660px;
  height: 660px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 95, 209, 0.1), rgba(34, 95, 209, 0) 68%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(500px, 0.98fr) minmax(410px, 0.8fr);
  align-items: center;
  gap: 50px;
  width: var(--container);
  min-height: 570px;
  margin: 0 auto;
}

.hero-tag {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 28px;
  color: var(--orange-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.hero-tag .line {
  width: 40px;
  height: 1px;
  background: #e8ad96;
}

.hero h1 {
  margin-bottom: 20px;
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(54px, 5.6vw, 76px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.16;
}

.hero h1 span {
  color: var(--orange);
}

.hero-subtitle {
  margin-bottom: 16px;
  color: var(--blue);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.09em;
}

.hero-description {
  max-width: 560px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.9;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-canvas {
  position: relative;
  height: 528px;
  border: 1px solid var(--line);
  border-radius: 42px;
  background:
    radial-gradient(circle at 54% 50%, #fff 0, #fff 14%, transparent 15%),
    linear-gradient(128deg, #fffdf9, #f4e7da);
  box-shadow: var(--shadow);
}

.hero-canvas::before,
.hero-canvas::after {
  content: "";
  position: absolute;
  inset: 96px;
  border: 1px dashed rgba(240, 91, 63, 0.27);
  border-radius: 50%;
}

.hero-canvas::after {
  inset: 148px;
  border-color: rgba(34, 95, 209, 0.23);
}

.canvas-note {
  position: absolute;
  top: 26px;
  left: 28px;
  display: flex;
  justify-content: space-between;
  width: calc(100% - 56px);
  color: var(--ink-faint);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.canvas-note strong {
  color: var(--green);
}

.canvas-note strong::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: #36ab78;
}

.core-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  gap: 9px;
  width: 122px;
  height: 122px;
  border-radius: 50%;
  background: #fffdf8;
  box-shadow: 0 18px 42px rgba(55, 39, 24, 0.13);
  transform: translate(-50%, -50%);
}

.core-badge img {
  width: 48px;
  height: 48px;
}

.core-badge span {
  margin-top: -10px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.orbit-card {
  position: absolute;
  display: grid;
  gap: 4px;
  min-width: 118px;
  padding: 15px 17px;
  border: 1px solid #eddccf;
  border-radius: 18px;
  background: #fffdf8;
  box-shadow: var(--shadow-card);
}

.orbit-card small {
  color: var(--ink-faint);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.orbit-card strong {
  color: var(--orange);
  font-size: 26px;
}

.orbit-card span {
  color: var(--ink-soft);
  font-size: 12px;
}

.orbit-token {
  top: 124px;
  left: 28px;
}

.orbit-commerce {
  right: 30px;
  bottom: 124px;
}

.orbit-commerce strong {
  color: var(--blue);
}

.orbit-content {
  bottom: 44px;
  left: 54px;
}

.orbit-content strong {
  color: var(--ink);
}

.model-ribbon {
  position: relative;
  z-index: 1;
  width: var(--container);
  margin: 76px auto 0;
  padding: 25px 0 30px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.model-ribbon p {
  margin-bottom: 19px;
  color: var(--ink-faint);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: center;
}

.ticker {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.ticker-track {
  display: flex;
  width: max-content;
  gap: 16px;
  animation: ticker 26s linear infinite;
}

.ticker-track .model-chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 156px;
  padding: 15px 20px;
  color: var(--ink-soft);
  font-family: Georgia, serif;
  font-size: 18px;
  text-align: center;
  border-radius: 999px;
  background: var(--surface);
}

.model-chip svg {
  width: 25px;
  height: 25px;
  flex: 0 0 auto;
  color: var(--orange-dark);
}

.section {
  width: var(--container);
  margin: 0 auto;
  padding: 104px 0 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(420px, 0.86fr) minmax(320px, 0.56fr);
  gap: 18px 52px;
  align-items: end;
  margin-bottom: 48px;
}

.section-index {
  grid-column: 1 / -1;
  color: var(--orange-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.section-heading h2 {
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(38px, 4vw, 50px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.05em;
}

.section-heading > p:last-child {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.8;
}

.platform-layout {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  min-height: 514px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-strong);
  overflow: hidden;
}

.platform-tabs {
  display: grid;
  align-content: start;
  padding: 20px;
  border-right: 1px solid var(--line);
  background: #f8f0e7;
}

.platform-tab {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  min-height: 63px;
  padding: 10px 14px;
  text-align: left;
  border: 0;
  border-radius: 15px;
  background: transparent;
}

.platform-tab span:first-child {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  color: var(--orange-dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: 10px;
  background: var(--orange-wash);
}

.platform-tab span:last-child {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
}

.platform-tab[aria-selected="true"] {
  background: #fffdf8;
  box-shadow: inset 0 0 0 1px var(--line);
}

.platform-tab[aria-selected="true"] span:last-child {
  color: var(--ink);
  font-weight: 700;
}

.platform-detail {
  display: grid;
  grid-template-columns: minmax(300px, 0.92fr) minmax(240px, 0.68fr);
  gap: 34px;
  padding: 48px;
}

.platform-content small {
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.platform-content h3 {
  margin: 17px 0 15px;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 34px;
  line-height: 1.24;
}

.platform-content p {
  margin-bottom: 29px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.86;
}

.platform-points {
  display: grid;
  gap: 13px;
  margin-bottom: 30px;
}

.platform-points span {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 14px;
}

.platform-points span::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--orange);
}

.detail-graphic {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 25px;
  border-radius: 25px;
  background: var(--surface);
}

.graphic-top {
  display: flex;
  justify-content: space-between;
  color: var(--ink-faint);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.graphic-metric {
  padding: 26px 0;
}

.graphic-metric strong {
  display: block;
  color: var(--blue);
  font-family: Georgia, serif;
  font-size: 66px;
  line-height: 1;
}

.graphic-metric span {
  color: var(--ink-soft);
  font-size: 13px;
}

.graphic-lines {
  display: grid;
  gap: 10px;
}

.graphic-lines span {
  display: block;
  height: 9px;
  border-radius: 99px;
  background: #dfccba;
}

.graphic-lines span:nth-child(1) {
  width: 88%;
  background: var(--orange);
}

.graphic-lines span:nth-child(2) {
  width: 67%;
  background: var(--blue);
}

.graphic-lines span:nth-child(3) {
  width: 76%;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
}

.solution-card {
  min-height: 405px;
  padding: 31px 29px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--paper-strong);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.solution-card:hover,
.solution-card.focused {
  transform: translateY(-5px);
  border-color: #dabaa7;
  box-shadow: var(--shadow-card);
}

.solution-card.accent {
  background: var(--surface);
}

.card-label {
  display: inline-flex;
  margin-bottom: 26px;
  padding: 7px 13px;
  color: var(--orange-dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  background: var(--orange-wash);
}

.solution-card h3 {
  margin-bottom: 23px;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 26px;
  line-height: 1.43;
}

.solution-card ul {
  display: grid;
  gap: 15px;
  min-height: 121px;
  margin: 0 0 28px;
  padding: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
  list-style: none;
}

.solution-card li {
  position: relative;
  padding-left: 20px;
}

.solution-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}

.text-action {
  color: var(--blue);
  font-size: 15px;
  font-weight: 700;
  border: 0;
  background: transparent;
}

.trust-band {
  margin-top: 92px;
  padding: 52px max(calc((100% - 1200px) / 2), 24px);
  background: var(--ink);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: auto;
}

.trust-item {
  border-left: 1px solid rgba(255, 249, 241, 0.18);
  padding-left: 23px;
}

.trust-item strong {
  color: #f79573;
  font-size: 12px;
  letter-spacing: 0.14em;
}

.trust-item h3 {
  margin: 18px 0 9px;
  color: #fff9f1;
  font-size: 22px;
}

.trust-item p {
  color: #abb6c5;
  font-size: 14px;
  line-height: 1.6;
}

.pipeline-heading {
  grid-template-columns: minmax(540px, 0.84fr);
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
}

.pipeline-card {
  padding: 32px 28px 30px;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: var(--paper-strong);
}

.pipeline-number {
  color: #ddc7b5;
  font-family: Georgia, serif;
  font-size: 55px;
  line-height: 1;
}

.pipeline-label {
  margin: 22px 0 12px;
  color: var(--orange-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.pipeline-card h3 {
  margin-bottom: 15px;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 29px;
}

.pipeline-card > p:not(.pipeline-label) {
  min-height: 104px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list span {
  padding: 7px 10px;
  color: var(--ink-soft);
  font-size: 12px;
  border-radius: 999px;
  background: var(--surface);
}

.cta {
  width: var(--container);
  margin: 98px auto 82px;
}

.cta-inner {
  position: relative;
  padding: 68px clamp(30px, 8vw, 88px);
  text-align: center;
  border-radius: 34px;
  background: var(--surface);
  overflow: hidden;
}

.cta-inner::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -100px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: var(--orange-wash);
}

.cta .section-index {
  position: relative;
  margin-bottom: 21px;
}

.cta h2 {
  position: relative;
  max-width: 720px;
  margin: 0 auto 18px;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: clamp(42px, 5vw, 58px);
  line-height: 1.25;
  letter-spacing: -0.04em;
}

.cta h2 span {
  color: var(--orange);
}

.cta-inner > p:not(.section-index) {
  position: relative;
  color: var(--ink-soft);
  font-size: 17px;
}

.cta-actions {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 13px;
  margin: 34px 0 42px;
}

.cta-benefits {
  position: relative;
  display: flex;
  justify-content: center;
  gap: clamp(14px, 4vw, 45px);
  color: var(--ink-soft);
  font-size: 13px;
}

.cta-benefits span {
  position: relative;
  padding-left: 18px;
}

.cta-benefits span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fbf3e9;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(270px, 1.3fr) repeat(3, minmax(132px, 0.55fr));
  gap: 50px;
  width: var(--container);
  margin: auto;
  padding: 58px 0 45px;
}

.footer-brand p {
  max-width: 330px;
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.footer-contact-buttons {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 26px;
}

.footer-icon-button {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  background: transparent;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.footer-icon-button img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.footer-icon-button:hover {
  transform: translateY(-2px) scale(1.08);
  filter: drop-shadow(0 0 14px rgba(34, 244, 255, 0.32));
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 14px;
}

.footer-column h3 {
  margin-bottom: 9px;
  font-size: 15px;
}

.footer-column button {
  width: fit-content;
  padding: 0;
  color: var(--ink-soft);
  font-size: 14px;
  text-align: left;
  border: 0;
  background: transparent;
}

.footer-column button:hover {
  color: var(--orange-dark);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: var(--container);
  margin: auto;
  padding: 20px 0 28px;
  color: var(--ink-faint);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

.footer-bottom button {
  color: var(--ink-faint);
  border: 0;
  background: transparent;
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(19, 39, 64, 0.47);
  backdrop-filter: blur(4px);
}

.modal-panel {
  position: relative;
  width: min(460px, 100%);
  padding: 38px;
  border-radius: 27px;
  background: var(--paper-strong);
  box-shadow: 0 25px 80px rgba(19, 39, 64, 0.2);
}

.compact-modal {
  text-align: center;
}

.contact-modal {
  width: min(420px, 100%);
}

.contact-card-message {
  margin: -14px 0 20px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.contact-email-link {
  display: inline-flex;
  justify-content: center;
  max-width: 100%;
  margin: 0 auto 20px;
  padding: 13px 18px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  word-break: break-all;
  border: 1px solid rgba(34, 244, 255, 0.24);
  border-radius: 999px;
  background: rgba(34, 244, 255, 0.08);
  box-shadow: 0 0 22px rgba(34, 244, 255, 0.12);
}

.contact-email-link[hidden] {
  display: none;
}

.contact-qr {
  display: block;
  width: min(260px, 82vw);
  margin: 0 auto 18px;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16), 0 0 28px rgba(34, 244, 255, 0.14);
}

.contact-qr[hidden] {
  display: none;
}

.contact-card-hint {
  margin: 0;
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.6;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 17px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--ink-soft);
  font-size: 25px;
  border: 0;
  border-radius: 50%;
  background: var(--surface);
}

.modal-kicker {
  margin-bottom: 12px;
  color: var(--orange-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.modal-panel h2 {
  margin-bottom: 27px;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 31px;
}

.modal-panel form {
  display: grid;
  gap: 17px;
}

.modal-panel label {
  display: grid;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
}

.modal-panel input,
.modal-panel select,
.modal-panel textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  outline: none;
  resize: vertical;
}

.code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 118px;
  gap: 10px;
}

.code-button {
  color: #03110b;
  font-size: 13px;
  font-weight: 800;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(110deg, var(--orange), var(--green));
}

.code-button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.form-feedback {
  min-height: 20px;
  margin: -4px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.5;
}

.form-feedback[data-tone="success"] {
  color: var(--green);
}

.form-feedback[data-tone="error"] {
  color: #ff7a94;
}

.modal-panel input:focus,
.modal-panel select:focus,
.modal-panel textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(240, 91, 63, 0.13);
}

.modal-panel form .button {
  width: 100%;
  margin-top: 8px;
}

.switch-prompt {
  display: block;
  margin: 20px auto 0;
  color: var(--blue);
  font-size: 14px;
  border: 0;
  background: transparent;
}

.route-message {
  margin-bottom: 20px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.compact-modal code {
  display: block;
  margin-bottom: 26px;
  padding: 14px;
  color: var(--blue);
  font-size: 13px;
  border-radius: 10px;
  background: var(--blue-wash);
}

.compact-modal .button {
  width: 100%;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 110;
  max-width: 370px;
  padding: 14px 18px;
  color: #fff;
  font-size: 14px;
  line-height: 1.55;
  border-radius: 13px;
  background: var(--ink);
  box-shadow: 0 15px 35px rgba(19, 39, 64, 0.21);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1060px) {
  .header-inner {
    gap: 18px;
  }

  .site-nav {
    gap: 18px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .hero-canvas {
    width: min(560px, 100%);
    margin: auto;
  }

  .solution-grid,
  .pipeline-grid {
    grid-template-columns: 1fr;
  }

  .solution-card {
    min-height: auto;
  }

  .solution-card ul {
    min-height: auto;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
  }
}

@media (max-width: 820px) {
  :root {
    --container: min(100% - 32px, 620px);
  }

  .site-header {
    height: 70px;
  }

  .header-inner {
    position: relative;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    display: grid;
    gap: 2px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 17px;
    background: var(--paper-strong);
    box-shadow: var(--shadow-card);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-7px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .site-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 12px 13px;
    border-radius: 10px;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav a:hover {
    background: var(--surface);
  }

  .header-actions .login-action {
    display: none;
  }

  .language-toggle {
    height: 42px;
    padding-inline: 12px;
    font-size: 13px;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-inner {
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(43px, 12vw, 56px);
  }

  .hero-subtitle {
    font-size: 17px;
  }

  .hero-canvas {
    height: 438px;
  }

  .hero-canvas::before {
    inset: 78px;
  }

  .hero-canvas::after {
    inset: 128px;
  }

  .orbit-card {
    min-width: 104px;
    padding: 12px;
  }

  .orbit-token {
    top: 104px;
    left: 16px;
  }

  .orbit-commerce {
    right: 16px;
    bottom: 102px;
  }

  .orbit-content {
    bottom: 25px;
    left: 22px;
  }

  .model-ribbon {
    margin-top: 54px;
  }

  .section {
    padding-top: 76px;
  }

  .section-heading,
  .pipeline-heading {
    grid-template-columns: 1fr;
    gap: 19px;
    margin-bottom: 34px;
  }

  .section-heading h2 {
    font-size: clamp(32px, 9vw, 40px);
  }

  .platform-layout {
    grid-template-columns: 1fr;
  }

  .platform-tabs {
    display: flex;
    gap: 7px;
    padding: 13px;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .platform-tab {
    flex: 0 0 auto;
    min-height: 49px;
    padding: 7px 10px;
  }

  .platform-tab span:first-child {
    display: none;
  }

  .platform-detail {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 28px 22px;
  }

  .platform-content h3 {
    font-size: 28px;
  }

  .detail-graphic {
    min-height: 224px;
  }

  .trust-band {
    margin-top: 70px;
    padding-block: 42px;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 29px;
  }

  .cta {
    margin: 72px auto 62px;
  }

  .cta-inner {
    padding: 44px 19px;
  }

  .cta h2 {
    font-size: clamp(34px, 10vw, 43px);
  }

  .cta-actions,
  .cta-benefits {
    flex-direction: column;
  }

  .cta-actions .button {
    width: 100%;
  }

  .cta-benefits {
    align-items: flex-start;
    width: fit-content;
    margin: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 38px 18px;
    padding-block: 46px 36px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .brand-mark {
    width: 58px;
    height: 37px;
  }

  .brand-copy strong {
    font-size: 18px;
  }

  .header-actions {
    gap: 6px;
  }

  .language-toggle > span:first-child {
    display: none;
  }

  .hero-buttons .button {
    width: 100%;
  }

  .hero-canvas {
    height: 390px;
  }

  .core-badge {
    width: 98px;
    height: 98px;
  }

  .core-badge img {
    width: 40px;
    height: 40px;
  }

  .hero-canvas::before {
    inset: 74px 38px;
  }

  .hero-canvas::after {
    inset: 121px 78px;
  }

  .orbit-card strong {
    font-size: 22px;
  }

  .orbit-content {
    display: none;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .modal-panel {
    padding: 34px 23px 25px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}

/* HY AI GROUP cyber theme */
body {
  background:
    radial-gradient(circle at 50% 0%, rgba(34, 244, 255, 0.16), transparent 32rem),
    radial-gradient(circle at 82% 18%, rgba(88, 255, 149, 0.11), transparent 23rem),
    linear-gradient(180deg, #030713 0%, #020814 50%, #01030a 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(88, 255, 149, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 244, 255, 0.07) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
}

.paper-grain {
  opacity: 0.1;
  background-image: repeating-linear-gradient(to bottom, transparent 0 8px, rgba(34, 244, 255, 0.16) 9px);
  background-size: auto;
}

.site-header {
  background: rgba(3, 7, 19, 0.8);
}

.site-header.scrolled {
  border-color: rgba(88, 255, 149, 0.3);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.26);
}

.brand-mark {
  filter: drop-shadow(0 0 15px rgba(34, 244, 255, 0.3));
}

.brand-copy strong,
.hero h1,
.section-heading h2,
.platform-content h3,
.solution-card h3,
.pipeline-card h3,
.cta h2,
.modal-panel h2 {
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.site-nav a::after {
  background: linear-gradient(90deg, var(--orange), var(--green));
}

.language-toggle {
  background: rgba(88, 255, 149, 0.06);
}

.language-toggle:hover,
.language.open .language-toggle {
  color: var(--green);
  border-color: rgba(88, 255, 149, 0.5);
  box-shadow: 0 0 22px rgba(88, 255, 149, 0.15);
}

.button-primary {
  color: #03110b;
  background: linear-gradient(135deg, var(--orange), var(--green) 55%, var(--lime));
  box-shadow: 0 0 32px rgba(88, 255, 149, 0.26);
}

.button-primary:hover {
  background: linear-gradient(135deg, #62faff, #83ffaf 55%, #d8ff74);
  box-shadow: 0 0 42px rgba(88, 255, 149, 0.4);
}

.button-line {
  border-color: rgba(112, 240, 255, 0.28);
  background: rgba(34, 244, 255, 0.05);
}

.button-soft {
  border-color: rgba(112, 240, 255, 0.3);
}

.hero::before {
  background: radial-gradient(circle, rgba(34, 244, 255, 0.18), rgba(34, 244, 255, 0) 66%);
}

.hero::after {
  background: radial-gradient(circle, rgba(255, 79, 216, 0.12), rgba(255, 79, 216, 0) 68%);
}

.hero-tag {
  color: var(--orange);
}

.hero-tag .line {
  background: rgba(34, 244, 255, 0.44);
}

.hero h1 span {
  color: transparent;
  background: linear-gradient(92deg, var(--orange), var(--green) 48%, var(--lime));
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 30px rgba(88, 255, 149, 0.15);
}

.hero-canvas {
  border-color: rgba(112, 240, 255, 0.25);
  background:
    radial-gradient(circle at 54% 50%, rgba(88, 255, 149, 0.18) 0, transparent 17%),
    linear-gradient(160deg, rgba(10, 28, 58, 0.78), rgba(3, 9, 20, 0.9));
}

.hero-canvas::before {
  border-color: rgba(34, 244, 255, 0.27);
}

.hero-canvas::after {
  border-color: rgba(88, 255, 149, 0.2);
}

.canvas-note strong::before {
  background: var(--green);
  box-shadow: 0 0 13px var(--green);
}

.core-badge {
  background: rgba(3, 14, 29, 0.96);
  box-shadow: 0 0 44px rgba(34, 244, 255, 0.3);
}

.orbit-card {
  border-color: rgba(112, 240, 255, 0.2);
  background: rgba(3, 12, 26, 0.86);
}

.orbit-card strong {
  color: var(--green);
}

.orbit-commerce strong {
  color: var(--orange);
}

.model-ribbon {
  border-color: rgba(112, 240, 255, 0.16);
}

.ticker-track .model-chip {
  font-family: Inter, "Segoe UI", sans-serif;
  border: 1px solid rgba(112, 240, 255, 0.16);
  background: rgba(255, 255, 255, 0.035);
}

.model-chip svg {
  color: var(--orange);
  filter: drop-shadow(0 0 8px rgba(34, 244, 255, 0.5));
}

.platform-layout,
.solution-card,
.pipeline-card,
.cta-inner {
  background: linear-gradient(180deg, rgba(10, 28, 58, 0.68), rgba(3, 9, 20, 0.9));
  box-shadow: var(--shadow);
}

.platform-tabs {
  background: rgba(0, 0, 0, 0.18);
}

.platform-tab[aria-selected="true"] {
  background: rgba(34, 244, 255, 0.07);
  box-shadow: inset 0 0 0 1px rgba(112, 240, 255, 0.28), 0 0 18px rgba(34, 244, 255, 0.08);
}

.platform-points span::before,
.cta-benefits span::before {
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

.solution-card li::before {
  color: var(--green);
  text-shadow: 0 0 10px rgba(88, 255, 149, 0.58);
}

.detail-graphic {
  border: 1px solid rgba(112, 240, 255, 0.17);
  background: rgba(0, 0, 0, 0.22);
}

.graphic-metric strong {
  color: var(--orange);
  text-shadow: 0 0 18px rgba(34, 244, 255, 0.24);
}

.graphic-lines span {
  background: rgba(112, 240, 255, 0.13);
}

.graphic-lines span:nth-child(1) {
  background: var(--orange);
  box-shadow: 0 0 10px rgba(34, 244, 255, 0.42);
}

.graphic-lines span:nth-child(2) {
  background: var(--green);
}

.solution-card:hover,
.solution-card.focused {
  border-color: rgba(88, 255, 149, 0.4);
}

.solution-card.accent {
  background: linear-gradient(180deg, rgba(9, 40, 57, 0.76), rgba(3, 9, 20, 0.9));
}

.trust-band {
  border-top: 1px solid rgba(112, 240, 255, 0.15);
  border-bottom: 1px solid rgba(112, 240, 255, 0.15);
  background: rgba(1, 3, 10, 0.72);
}

.trust-item strong {
  color: var(--orange);
}

.trust-item h3 {
  color: var(--ink);
}

.pipeline-number {
  color: rgba(34, 244, 255, 0.22);
}

.cta-inner {
  border: 1px solid rgba(112, 240, 255, 0.22);
  background:
    radial-gradient(circle at 90% 0%, rgba(88, 255, 149, 0.15), transparent 28rem),
    linear-gradient(180deg, rgba(10, 28, 58, 0.72), rgba(3, 9, 20, 0.9));
}

.cta-inner::before {
  background: rgba(255, 79, 216, 0.08);
}

.cta h2 span {
  color: var(--green);
}

.site-footer {
  background: rgba(1, 3, 10, 0.8);
}

.modal-backdrop {
  background: rgba(1, 3, 10, 0.72);
}

.modal-panel {
  border: 1px solid rgba(112, 240, 255, 0.25);
  background: rgba(3, 12, 26, 0.97);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.52), 0 0 30px rgba(34, 244, 255, 0.12);
}

.modal-panel input,
.modal-panel select,
.modal-panel textarea {
  background: rgba(0, 0, 0, 0.28);
}

.modal-panel input:focus,
.modal-panel select:focus,
.modal-panel textarea:focus {
  box-shadow: 0 0 0 3px rgba(34, 244, 255, 0.12), 0 0 20px rgba(34, 244, 255, 0.1);
}

.toast {
  color: var(--ink);
  border: 1px solid rgba(88, 255, 149, 0.34);
  background: rgba(3, 12, 26, 0.96);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 24px rgba(88, 255, 149, 0.13);
}

/* Reference hero layout with HY AI GROUP cyber treatment */
.site-header {
  position: absolute;
  right: 0;
  left: 0;
  height: 82px;
  border-bottom: 0;
  background: transparent;
  backdrop-filter: none;
}

.site-header.scrolled {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

.header-inner {
  width: min(1610px, calc(100% - 64px));
}

.brand-copy strong {
  font-size: 24px;
  font-weight: 650;
}

.brand-copy small {
  display: none;
}

.site-nav {
  gap: clamp(32px, 5vw, 66px);
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
}

.site-nav a::after {
  display: none;
}

.language-toggle {
  color: var(--ink);
  border-color: transparent;
  background: transparent;
}

.language-toggle:hover,
.language.open .language-toggle {
  border-color: transparent;
  background: rgba(255, 255, 255, 0.05);
}

.login-action {
  min-height: 52px;
  padding-inline: 27px;
  color: #734dff;
  border: 0;
  background: #fff;
  box-shadow: none;
}

.login-action:hover {
  color: #734dff;
  background: #fff;
  box-shadow: 0 0 26px rgba(255, 255, 255, 0.2);
}

.hero {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 0;
  background: #050610;
}

.hero::before {
  inset: 0;
  width: auto;
  height: auto;
  border-radius: 0;
  background:
    radial-gradient(ellipse 34% 62% at 70% 20%, rgba(37, 237, 232, 0.62), transparent 65%),
    radial-gradient(ellipse 30% 48% at 88% 21%, rgba(28, 85, 185, 0.6), transparent 70%),
    radial-gradient(ellipse 30% 27% at 15% 58%, rgba(139, 57, 233, 0.62), transparent 70%),
    radial-gradient(ellipse 42% 35% at 34% 72%, rgba(180, 163, 237, 0.54), transparent 68%);
}

.hero::after {
  inset: 0;
  width: auto;
  height: auto;
  border-radius: 0;
  background: linear-gradient(180deg, rgba(5, 6, 16, 0.02) 0%, rgba(5, 6, 16, 0.12) 42%, rgba(5, 6, 16, 0.82) 92%);
}

.hero-inner {
  display: flex;
  flex: 1 0 auto;
  flex-direction: column;
  justify-content: center;
  gap: 0;
  width: min(1500px, calc(100% - 48px));
  min-height: 100vh;
  padding: 148px 0 76px;
  text-align: center;
}

.hero-copy {
  width: 100%;
}

.hero-tag {
  justify-content: center;
  width: fit-content;
  margin: 0 auto 52px;
  padding: 5px 15px 5px 6px;
  color: #f4fbff;
  font-size: clamp(13px, 1.15vw, 16px);
  font-weight: 600;
  letter-spacing: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.hero-tag .line {
  display: none;
}

.launch-pill {
  padding: 7px 13px;
  color: #fff;
  border-radius: 999px;
  background: linear-gradient(110deg, #7f39ff 0%, #03cce4 100%);
}

.hero h1 {
  margin-bottom: 22px;
  font-size: clamp(50px, 5.05vw, 82px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.065em;
}

.hero-subtitle {
  margin-bottom: 47px;
  color: var(--ink);
  font-size: clamp(42px, 4.15vw, 67px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1.18;
}

.hero-description {
  max-width: 770px;
  margin: 0 auto 68px;
  color: rgba(244, 251, 255, 0.9);
  font-size: clamp(18px, 1.6vw, 25px);
  font-weight: 500;
  line-height: 1.75;
}

.hero-buttons {
  justify-content: center;
  gap: 18px;
}

.hero-buttons .button {
  width: min(284px, 28vw);
  min-height: 74px;
  font-size: 18px;
}

.hero-buttons .button-plain {
  border-color: rgba(255, 255, 255, 0.17);
  background: rgba(255, 255, 255, 0.055);
}

.hero-buttons .button-primary {
  color: #fff;
  background: linear-gradient(100deg, #773cff 0%, #02bfeb 100%);
  box-shadow: none;
}

.hero-buttons .button-primary:hover {
  background: linear-gradient(100deg, #8c52ff 0%, #24d4f6 100%);
  box-shadow: 0 0 30px rgba(24, 202, 251, 0.28);
}

.model-ribbon {
  width: 100%;
  margin: 0;
  padding: 25px 0 43px;
  border: 0;
  background: rgba(4, 5, 14, 0.82);
}

.model-ribbon p {
  margin-bottom: 20px;
  color: rgba(244, 251, 255, 0.57);
  font-size: clamp(14px, 1.18vw, 19px);
  letter-spacing: 0;
}

.ticker {
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.ticker-track {
  align-items: center;
  gap: clamp(38px, 4vw, 76px);
  animation-duration: 34s;
}

.model-logo {
  display: block;
  width: auto;
  height: clamp(34px, 2.6vw, 42px);
  flex: 0 0 auto;
  object-fit: contain;
  opacity: 0.75;
}

@media (max-width: 1060px) {
  .site-nav {
    gap: 22px;
    font-size: 13px;
  }

  .hero-inner {
    min-height: 720px;
  }
}

@media (max-width: 820px) {
  .site-header {
    position: sticky;
    height: 70px;
    background: rgba(3, 7, 19, 0.92);
    backdrop-filter: blur(18px);
  }

  .site-header.scrolled {
    background: rgba(3, 7, 19, 0.96);
  }

  .header-inner {
    width: var(--container);
  }

  .site-nav {
    background: rgba(3, 12, 26, 0.97);
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    min-height: 690px;
    padding: 74px 0 56px;
  }

  .hero-tag {
    margin-bottom: 34px;
  }

  .hero h1 {
    font-size: clamp(37px, 10vw, 52px);
    letter-spacing: -0.045em;
  }

  .hero-subtitle {
    margin-bottom: 30px;
    font-size: clamp(31px, 8.5vw, 44px);
    letter-spacing: -0.04em;
  }

  .hero-description {
    margin-bottom: 42px;
    font-size: 16px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .button {
    width: min(100%, 350px);
    min-height: 58px;
    margin: 0 auto;
  }

  .model-ribbon {
    padding-block: 24px 32px;
  }

  .model-logo {
    height: 32px;
  }
}

/* Keep the reference layout, restore the HY AI GROUP cyber atmosphere. */
.hero {
  background:
    radial-gradient(circle at 50% -4%, rgba(34, 244, 255, 0.17), transparent 32rem),
    radial-gradient(circle at 83% 16%, rgba(88, 255, 149, 0.11), transparent 24rem),
    linear-gradient(180deg, #030713 0%, #020814 51%, #01030a 100%);
}

.hero::before {
  inset: 0;
  width: auto;
  height: auto;
  border-radius: 0;
  background:
    radial-gradient(circle at 13% 64%, rgba(255, 79, 216, 0.1), transparent 18rem),
    radial-gradient(circle at 76% 35%, rgba(34, 244, 255, 0.08), transparent 25rem);
}

.hero::after {
  inset: 0;
  width: auto;
  height: auto;
  border-radius: 0;
  background:
    linear-gradient(rgba(88, 255, 149, 0.052) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 244, 255, 0.052) 1px, transparent 1px),
    linear-gradient(180deg, transparent 0%, rgba(1, 3, 10, 0.54) 94%);
  background-size: 42px 42px, 42px 42px, auto;
  mask-image: linear-gradient(to bottom, #000 0%, #000 58%, transparent 100%);
}

.model-ribbon {
  border-top: 1px solid rgba(112, 240, 255, 0.12);
  background:
    linear-gradient(90deg, rgba(34, 244, 255, 0.04), transparent 22%, transparent 78%, rgba(88, 255, 149, 0.035)),
    rgba(1, 3, 10, 0.86);
}

.hero-buttons .button-primary {
  color: #03110b;
  background: linear-gradient(135deg, var(--orange), var(--green) 55%, var(--lime));
  box-shadow: 0 0 32px rgba(88, 255, 149, 0.27);
}

.hero-buttons .button-primary:hover {
  background: linear-gradient(135deg, #62faff, #83ffaf 55%, #d8ff74);
  box-shadow: 0 0 42px rgba(88, 255, 149, 0.42);
}

.launch-pill {
  color: #03110b;
  background: linear-gradient(135deg, var(--orange), var(--green));
  box-shadow: 0 0 18px rgba(34, 244, 255, 0.22);
}

/* Seven-platform switcher follows the reference structure in HY AI GROUP colors. */
.platforms {
  width: min(1700px, calc(100% - 40px));
  padding-left: min(200px, 16vw);
  padding-top: 88px;
}

.platform-heading {
  margin-bottom: 56px;
  padding-right: min(200px, 16vw);
  text-align: center;
}

.platform-heading h2 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: clamp(36px, 3.1vw, 50px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.045em;
}

.platform-heading p {
  color: var(--ink-soft);
  font-size: 15px;
}

.platform-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.5fr) minmax(0, 1fr);
  align-items: start;
  gap: 50px;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.platform-tabs {
  display: grid;
  align-content: start;
  padding: 0;
  border: 0;
  background: transparent;
}

.platform-tab {
  position: relative;
  display: block;
  min-height: 0;
  padding: 0;
  border: 0;
  border-top: 1px solid rgba(112, 240, 255, 0.11);
  border-radius: 0;
  background: transparent;
}

.platform-tab:last-child {
  border-bottom: 1px solid rgba(112, 240, 255, 0.11);
}

.platform-tab.selected::before {
  content: "";
  position: absolute;
  top: -1px;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--orange) 55%, transparent);
  box-shadow: 0 0 12px rgba(34, 244, 255, 0.2);
}

.platform-tab[aria-selected="true"] {
  background: transparent;
  box-shadow: none;
}

.platform-selector {
  width: 100%;
  padding: 25px 0;
  color: var(--ink-soft);
  font-size: 17px;
  font-weight: 450;
  text-align: left;
  border: 0;
  background: transparent;
  transition: color 170ms ease;
}

.platform-selector:hover,
.platform-tab.selected .platform-selector {
  color: var(--ink);
}

.platform-tab.selected .platform-selector {
  padding-bottom: 14px;
  font-weight: 650;
}

.platform-expanded {
  padding: 0 0 28px;
}

.platform-expanded p {
  max-width: 350px;
  margin: 0 0 20px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.platform-enter {
  min-width: 142px;
  min-height: 42px;
  padding: 0 18px;
  font-size: 13px;
  color: #03110b;
  font-weight: 700;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(110deg, var(--violet) 0%, var(--orange) 55%, var(--green) 100%);
  box-shadow: 0 0 24px rgba(34, 244, 255, 0.2);
}

.platform-enter:hover {
  box-shadow: 0 0 35px rgba(34, 244, 255, 0.32);
  transform: translateY(-1px);
}

.platform-tab .platform-enter span {
  display: inline;
  width: auto;
  height: auto;
  color: inherit;
  font-size: inherit;
  border-radius: 0;
  background: transparent;
}

.platform-detail {
  display: grid;
  align-items: start;
  justify-items: start;
  min-width: 0;
  padding: 0;
  background: transparent;
  overflow: visible;
}

.platform-preview {
  display: block;
  width: 180%;
  max-width: none;
  height: auto;
  object-fit: contain;
  border-radius: 0;
  filter: drop-shadow(0 22px 42px rgba(34, 244, 255, 0.08));
}

@media (max-width: 980px) {
  .platforms {
    width: var(--container);
    padding-left: 0;
    padding-top: 76px;
  }

  .platform-heading {
    margin-bottom: 36px;
    padding-right: 0;
  }

  .platform-layout {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 0;
  }

  .platform-tabs {
    display: grid;
    padding-right: 0;
    border-right: 0;
    overflow: visible;
  }

  .platform-tab {
    flex: none;
  }

  .platform-selector {
    padding-block: 20px;
  }

  .platform-tab.selected .platform-selector {
    padding-bottom: 13px;
  }

  .platform-preview {
    width: 100%;
    max-width: 100%;
    height: auto;
  }
}

/* Scroll-stacked solution cards mirror the reference interaction. */
.solutions {
  width: min(1350px, 90vw);
  padding-top: clamp(82px, 5.8vw, 99px);
}

.solutions .section-heading {
  display: block;
  max-width: 882px;
  margin: 0 auto 40px;
  text-align: center;
}

.solutions .section-index {
  margin-bottom: 14px;
}

.solutions .section-heading h2 {
  margin-bottom: 20px;
  color: var(--ink);
  font-size: clamp(34px, 3.8vw, 50px);
  line-height: 1.18;
}

.solutions .section-heading > p:last-child {
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 650;
}

.solution-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: start;
}

.solution-stack .solution-card {
  position: sticky;
  top: clamp(76px, 5vw, 86px);
  min-height: clamp(430px, 31vw, 470px);
  margin: 0 0 clamp(38px, 3.1vw, 50px);
  padding: 0;
  border: 1px solid rgba(112, 240, 255, 0.18);
  border-radius: 25px;
  background: linear-gradient(180deg, rgba(14, 18, 29, 0.96), rgba(8, 10, 19, 0.98));
  box-shadow: 0 28px 82px rgba(0, 0, 0, 0.42), inset 0 0 32px rgba(34, 244, 255, 0.035);
  overflow: hidden;
}

.solution-stack .solution-card:nth-child(1) {
  z-index: 1;
}

.solution-stack .solution-card:nth-child(2) {
  z-index: 2;
}

.solution-stack .solution-card:nth-child(3) {
  z-index: 3;
}

.solution-stack .solution-card.reveal,
.solution-stack .solution-card.reveal.visible {
  opacity: 1;
  transform: none;
}

.solution-stack .solution-card:hover,
.solution-stack .solution-card.focused {
  transform: none;
  border-color: rgba(88, 255, 149, 0.48);
  box-shadow: 0 34px 92px rgba(0, 0, 0, 0.52), 0 0 38px rgba(34, 244, 255, 0.14);
}

.solution-card-inner {
  display: grid;
  grid-template-columns: minmax(279px, 0.42fr) minmax(0, 0.72fr);
  gap: clamp(28px, 4.3vw, 56px);
  min-height: clamp(430px, 31vw, 470px);
  padding: clamp(22px, 1.7vw, 27px);
  align-items: center;
}

.solution-card-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
  padding: 18px 0;
}

.solution-card-heading {
  display: grid;
  gap: 20px;
  margin-bottom: 27px;
}

.solution-card-icon {
  width: 45px;
  height: 45px;
  filter: drop-shadow(0 0 16px rgba(34, 244, 255, 0.2));
}

.solution-stack .card-label {
  display: block;
  margin: 0 0 16px;
  padding: 0;
  color: var(--ink);
  font-size: clamp(23px, 2.25vw, 31px);
  font-weight: 800;
  line-height: 1.15;
  border-radius: 0;
  background: transparent;
}

.solution-stack .solution-card h3 {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: 650;
  line-height: 1.65;
}

.solution-stack .solution-card ul {
  display: grid;
  gap: 16px;
  min-height: 0;
  margin: 0 0 27px;
  padding: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.65;
  list-style: none;
}

.solution-stack .solution-card li {
  position: relative;
  padding-left: 31px;
}

.solution-stack .solution-card li::before {
  content: "✓";
  position: absolute;
  top: 2px;
  left: 0;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.22);
  box-shadow: 0 0 14px rgba(34, 244, 255, 0.16);
}

.solution-stack .text-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  min-width: 140px;
  min-height: 41px;
  padding: 0 22px;
  color: #03110b;
  font-size: 14px;
  font-weight: 800;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(110deg, var(--violet) 0%, var(--orange) 55%, var(--green) 100%);
  box-shadow: 0 0 28px rgba(34, 244, 255, 0.22);
}

.solution-card-media {
  height: 100%;
  min-height: clamp(350px, 25.5vw, 389px);
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
}

.solution-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 1100px) {
  .solutions {
    width: min(90vw, var(--container));
  }

  .solution-card-inner {
    grid-template-columns: minmax(230px, 0.55fr) minmax(0, 0.75fr);
  }
}

@media (max-width: 820px) {
  .solutions {
    padding-top: 76px;
  }

  .solution-stack .solution-card {
    position: relative;
    top: auto;
    min-height: 0;
    margin-bottom: 24px;
  }

  .solution-card-inner {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 22px;
  }

  .solution-card-media {
    min-height: 260px;
    order: -1;
  }
}

/* Reference hub cards: same container/content structure, HY AI GROUP cyber skin. */
.pipeline {
  width: min(1200px, calc(100% - 48px));
  padding-top: 112px;
}

.pipeline-heading {
  display: block;
  max-width: 1200px;
  margin: 0 auto 60px;
  text-align: center;
}

.pipeline-heading h2 {
  margin: 0 0 15px;
  color: var(--ink);
  font-size: clamp(38px, 3vw, 50px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.045em;
}

.pipeline-heading > p {
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 650;
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  align-items: stretch;
}

.pipeline-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 850px;
  padding: 30px;
  border: 1px solid rgba(112, 240, 255, 0.18);
  border-radius: 15px;
  background:
    radial-gradient(circle at 14% 10%, rgba(34, 244, 255, 0.2), transparent 33%),
    linear-gradient(145deg, rgba(20, 39, 55, 0.92), rgba(11, 14, 25, 0.96));
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42), inset 0 0 34px rgba(34, 244, 255, 0.045);
  overflow: hidden;
}

.pipeline-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 34%),
    radial-gradient(circle at 90% 18%, rgba(255, 255, 255, 0.06), transparent 23%);
}

.pipeline-card > * {
  position: relative;
  z-index: 1;
}

.pipeline-card-deliver {
  background:
    radial-gradient(circle at 18% 12%, rgba(180, 68, 255, 0.28), transparent 36%),
    linear-gradient(145deg, rgba(43, 28, 68, 0.92), rgba(12, 11, 24, 0.96));
}

.pipeline-card-apply {
  background:
    radial-gradient(circle at 18% 10%, rgba(74, 160, 255, 0.24), transparent 34%),
    linear-gradient(145deg, rgba(27, 45, 70, 0.92), rgba(8, 14, 26, 0.96));
}

.pipeline-icon {
  display: grid;
  place-items: center;
  width: 70px;
  height: 90px;
  margin: 32px 0 42px;
  filter: drop-shadow(0 0 22px rgba(34, 244, 255, 0.28));
}

.pipeline-card-deliver .pipeline-icon {
  filter: drop-shadow(0 0 22px rgba(179, 70, 255, 0.28));
}

.pipeline-card-apply .pipeline-icon {
  filter: drop-shadow(0 0 22px rgba(88, 168, 255, 0.28));
}

.pipeline-icon img {
  width: 70px;
  height: 90px;
  object-fit: contain;
}

.pipeline-number {
  position: absolute;
  top: 46px;
  right: 31px;
  width: 92px;
  height: 92px;
  object-fit: contain;
  opacity: 0.52;
  filter: saturate(0.85);
}

.pipeline-card h3 {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.35;
}

.pipeline-label {
  margin: 0 0 44px;
  color: var(--orange);
  font-size: 16px;
  font-weight: 750;
  line-height: 1.5;
}

.pipeline-card-deliver .pipeline-label {
  color: #b346ff;
}

.pipeline-card-apply .pipeline-label {
  color: #4da3ff;
}

.pipeline-description {
  margin: 0 0 34px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 550;
  line-height: 1.72;
}

.pipeline-feature-list {
  display: grid;
  gap: 16px;
}

.pipeline-feature,
.pipeline-business {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 58px;
  padding: 13px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.025);
}

.pipeline-card-gather .pipeline-feature {
  min-height: 74px;
}

.pipeline-card-deliver .pipeline-feature {
  min-height: 56px;
}

.mini-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 0 12px rgba(34, 244, 255, 0.22));
}

.mini-icon img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.pipeline-feature strong,
.pipeline-business strong {
  color: var(--ink);
  font-size: 16px;
  font-weight: 780;
  line-height: 1.5;
}

.pipeline-business {
  align-items: start;
  min-height: 148px;
  margin-bottom: 16px;
}

.pipeline-business p {
  margin: 8px 0 12px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 550;
  line-height: 1.62;
}

.pipeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pipeline-tags span {
  padding: 3px 11px;
  color: #9ed3ff;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  background: rgba(77, 163, 255, 0.18);
}

.pipeline-footnote {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: auto 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.5;
}

.pipeline-arrow {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

@media (max-width: 1180px) {
  .pipeline {
    width: min(100% - 48px, 1080px);
  }

  .pipeline-grid {
    gap: 22px;
  }

  .pipeline-card {
    min-height: 790px;
    padding: 24px;
  }

  .pipeline-number {
    font-size: 68px;
  }

  .pipeline-icon {
    margin-top: 24px;
  }
}

@media (max-width: 980px) {
  .pipeline-grid {
    grid-template-columns: 1fr;
  }

  .pipeline-card {
    min-height: auto;
  }
}