:root {
  color-scheme: dark;
  --ink: #07141c;
  --ink-soft: #0b1c25;
  --card: #0d1f28;
  --yellow: #f0b90b;
  --white: #f7f7f2;
  --body: #a1afb5;
  --muted: #7f9098;
  --line: #26353c;
  --shell: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--white);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

p, h1, h2, h3, ul {
  margin-top: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  transform: translateY(-150%);
  background: var(--yellow);
  color: var(--ink);
  font-weight: 700;
}

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

.shell {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.hero {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.hero::after {
  position: absolute;
  z-index: -2;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 83% 42%, rgba(240, 185, 11, 0.055), transparent 29%),
    linear-gradient(115deg, rgba(11, 28, 37, 0.05), rgba(11, 28, 37, 0.78));
}

.hero-grid {
  position: absolute;
  z-index: -3;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(127, 144, 152, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 144, 152, 0.13) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent, #000 58%, #000);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 94px;
  border-bottom: 1px solid rgba(38, 53, 60, 0.75);
}

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

.brand-mark {
  position: relative;
  display: grid;
  width: 35px;
  height: 35px;
  place-items: center;
  border: 1px solid var(--yellow);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark i::before,
.brand-mark i::after {
  position: absolute;
  content: "";
  background: var(--yellow);
}

.brand-mark::before {
  width: 1px;
  height: 100%;
  left: 50%;
}

.brand-mark::after {
  width: 100%;
  height: 1px;
  top: 50%;
}

.brand-mark i::before {
  width: 4px;
  height: 4px;
  top: 7px;
  left: 7px;
  box-shadow: 15px 15px 0 var(--yellow);
}

.brand-mark i::after {
  width: 4px;
  height: 4px;
  right: 7px;
  bottom: 7px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-copy strong {
  font-size: 18px;
  font-weight: 640;
  letter-spacing: -0.02em;
}

.brand-copy small {
  margin-top: 7px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.19em;
}

.guide-link {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  transition: color 180ms ease;
}

.guide-link span {
  display: inline-block;
  margin-left: 8px;
  color: var(--yellow);
  font-size: 14px;
  transition: transform 180ms ease;
}

.guide-link:hover,
.guide-link:focus-visible {
  color: var(--white);
}

.guide-link:hover span,
.guide-link:focus-visible span {
  transform: translate(2px, 2px);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  align-items: center;
  min-height: 555px;
  padding: 58px 0 76px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.section-kicker span {
  width: 17px;
  height: 1px;
  background: var(--yellow);
}

.hero h1 {
  max-width: 650px;
  margin-bottom: 25px;
  font-size: clamp(50px, 5.4vw, 76px);
  font-weight: 620;
  line-height: 1.11;
  letter-spacing: -0.06em;
}

.hero h1 em {
  color: var(--yellow);
  font-style: normal;
}

.hero-intro {
  max-width: 630px;
  margin-bottom: 29px;
}

.hero-intro p {
  margin-bottom: 3px;
  color: var(--body);
  font-size: 16px;
}

.market-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  list-style: none;
}

.market-tags li {
  padding: 6px 11px 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #b7c2c6;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.04em;
  background: rgba(13, 31, 40, 0.46);
}

.atlas-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 470px;
  justify-self: end;
}

.globe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 66%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(127, 144, 152, 0.35);
  border-radius: 50%;
  box-shadow: inset 0 0 60px rgba(240, 185, 11, 0.035), 0 0 70px rgba(4, 12, 16, 0.32);
  background:
    linear-gradient(90deg, transparent 49.75%, rgba(127, 144, 152, 0.22) 50%, transparent 50.25%),
    linear-gradient(transparent 49.75%, rgba(127, 144, 152, 0.22) 50%, transparent 50.25%);
}

.globe::before,
.globe::after {
  position: absolute;
  inset: 14% 0;
  content: "";
  border: 1px solid rgba(127, 144, 152, 0.23);
  border-radius: 50%;
}

.globe::after {
  inset: 0 24%;
}

.globe-axis {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 31%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(127, 144, 152, 0.16);
  border-radius: 50%;
}

.axis-two {
  height: 64%;
}

.axis-three {
  width: 46%;
  height: 100%;
}

.market-node {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 5px rgba(240, 185, 11, 0.1), 0 0 22px rgba(240, 185, 11, 0.6);
}

.node-one { top: 30%; left: 25%; }
.node-two { top: 58%; right: 18%; }
.node-three { bottom: 16%; left: 43%; }
.node-four { top: 18%; right: 34%; }

.orbit {
  position: absolute;
  inset: 7%;
  border: 1px solid rgba(127, 144, 152, 0.1);
  border-radius: 50%;
}

.orbit-one {
  transform: rotate(29deg) scaleY(0.55);
}

.orbit-two {
  inset: 18%;
  transform: rotate(-38deg) scaleY(0.58);
  border-color: rgba(240, 185, 11, 0.1);
}

.visual-label,
.visual-index {
  position: absolute;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 8px;
  letter-spacing: 0.14em;
}

.visual-label {
  display: flex;
  align-items: center;
  gap: 7px;
}

.visual-label span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--yellow);
}

.label-americas { top: 31%; left: 0; }
.label-asia { right: 0; bottom: 29%; }
.visual-index { bottom: 2%; left: 50%; transform: translateX(-50%); white-space: nowrap; }

.section {
  padding: 86px 0;
}

.explore {
  background: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 35px;
}

.section-heading .section-kicker {
  margin-bottom: 10px;
}

.section-heading h2,
.understand-heading h2,
.risk h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 560;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-heading > p {
  margin-bottom: 5px;
  color: var(--body);
  font-size: 14px;
}

.market-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.market-card {
  min-height: 285px;
  padding: 23px 22px 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(13, 31, 40, 0.45);
  transition: transform 280ms var(--ease), background-color 280ms ease, border-color 280ms ease;
}

.market-card:hover {
  z-index: 1;
  transform: translateY(-5px);
  border-color: rgba(240, 185, 11, 0.42);
  background: #102630;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
}

.card-top i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 4px rgba(240, 185, 11, 0.08);
}

.card-en {
  margin-bottom: 7px;
  color: var(--yellow);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.market-card h3 {
  margin-bottom: 17px;
  font-size: 23px;
  font-weight: 560;
  letter-spacing: -0.03em;
}

.market-card > p:last-child {
  margin-bottom: 0;
  color: var(--body);
  font-size: 13px;
  line-height: 1.75;
}

.understand {
  background: var(--ink);
}

.understand-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 85px;
}

.understand-heading {
  align-self: start;
  position: sticky;
  top: 30px;
}

.understand-heading .section-kicker {
  margin-bottom: 16px;
}

.cn-title {
  margin: 17px 0 0;
  color: var(--yellow);
  font-size: 17px;
}

.product-list {
  border-top: 1px solid var(--line);
}

.product-row {
  display: grid;
  grid-template-columns: 38px minmax(175px, 0.75fr) 1.25fr;
  gap: 24px;
  align-items: start;
  padding: 25px 0 26px;
  border-bottom: 1px solid var(--line);
}

.product-index,
.product-title small {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.product-title small {
  display: block;
  margin-bottom: 5px;
  color: var(--yellow);
}

.product-title h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 560;
  letter-spacing: -0.02em;
}

.product-row > p {
  margin: 0;
  color: var(--body);
  font-size: 13px;
  line-height: 1.75;
}

.footer {
  padding: 75px 0 0;
  border-top: 1px solid var(--line);
  background: #050f15;
}

.risk {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  column-gap: 85px;
}

.risk .section-kicker {
  grid-column: 1;
}

.risk h2 {
  grid-column: 1;
  max-width: 280px;
}

.risk-copy {
  grid-column: 2;
  grid-row: 1 / span 2;
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.risk-copy p {
  margin-bottom: 8px;
  color: var(--body);
  font-size: 12px;
  line-height: 1.75;
}

.risk-copy p:last-child {
  margin-bottom: 0;
}

.footer-bar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 40px;
  align-items: center;
  margin-top: 66px;
  padding: 25px 0 26px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
}

.footer-brand .brand-mark {
  width: 29px;
  height: 29px;
}

.footer-brand .brand-copy strong {
  color: var(--white);
  font-size: 14px;
}

.footer-brand .brand-copy small {
  margin-top: 5px;
  font-size: 7px;
}

.footer-bar p {
  margin: 0;
}

.footer-line span {
  color: var(--white);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms var(--ease), transform 650ms var(--ease);
}

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

.market-card:nth-child(2), .product-row:nth-child(2) { transition-delay: 70ms; }
.market-card:nth-child(3), .product-row:nth-child(3) { transition-delay: 140ms; }
.market-card:nth-child(4) { transition-delay: 210ms; }

@media (max-width: 900px) {
  .hero {
    min-height: auto;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    padding: 64px 0 70px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .atlas-visual {
    position: absolute;
    z-index: -1;
    right: -13%;
    top: 145px;
    width: 430px;
    opacity: 0.34;
  }

  .market-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .market-card {
    min-height: 248px;
  }

  .understand-layout,
  .risk {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .understand-heading {
    position: static;
  }

  .understand-heading h2 br {
    display: none;
  }

  .risk .section-kicker,
  .risk h2,
  .risk-copy {
    grid-column: 1;
  }

  .risk-copy {
    grid-row: auto;
  }

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

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

@media (max-width: 620px) {
  .shell {
    width: min(calc(100% - 36px), var(--shell));
  }

  .topbar {
    min-height: 78px;
  }

  .guide-link {
    display: none;
  }

  .brand-copy strong {
    font-size: 16px;
  }

  .hero-layout {
    min-height: 560px;
    align-items: start;
    padding: 58px 0 60px;
  }

  .hero h1 {
    margin-bottom: 23px;
    font-size: clamp(43px, 13.7vw, 60px);
    line-height: 1.12;
    letter-spacing: -0.065em;
  }

  .hero-intro p {
    font-size: 14px;
    line-height: 1.75;
  }

  .market-tags {
    gap: 7px;
  }

  .atlas-visual {
    top: 236px;
    right: -55%;
    width: 430px;
    opacity: 0.18;
  }

  .section {
    padding: 66px 0;
  }

  .section-heading {
    display: block;
    margin-bottom: 27px;
  }

  .section-heading > p {
    margin-top: 13px;
  }

  .section-heading h2,
  .understand-heading h2,
  .risk h2 {
    font-size: 36px;
  }

  .market-cards {
    grid-template-columns: 1fr;
  }

  .market-card {
    min-height: auto;
    padding: 22px 21px 25px;
  }

  .card-top {
    margin-bottom: 30px;
  }

  .product-row {
    grid-template-columns: 30px 1fr;
    gap: 8px 16px;
    padding: 23px 0;
  }

  .product-row > p {
    grid-column: 2;
  }

  .footer {
    padding-top: 62px;
  }

  .risk-copy {
    padding-left: 18px;
  }

  .footer-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 50px;
  }

  .footer-brand {
    width: 100%;
  }

  .footer-line {
    width: 100%;
  }
}

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

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}