:root {
  --ink: #eef7fb;
  --muted: #9fb7c4;
  --deep: #040b12;
  --panel: #0b1c27;
  --line: rgba(195, 224, 232, 0.16);
  --cyan: #39d7f2;
  --teal: #1fa898;
  --gold: #d8af5d;
  --green: #74c77e;
  --red: #d76363;
  --steel: #c5d3d8;
  --ash: #e8eef0;
  --white: #ffffff;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.38);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 72% 10%, rgba(57, 215, 242, 0.1), transparent 30rem),
    linear-gradient(180deg, #06111a 0%, #07131d 48%, #061018 100%);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(24px, 4vw, 64px);
  color: var(--white);
  transition: background 160ms ease, border-color 160ms ease, padding 160ms ease;
}

.site-header.is-scrolled {
  border-bottom: 1px solid var(--line);
  background: rgba(3, 9, 16, 0.82);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(20px) saturate(1.3);
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand {
  display: inline-flex;
  min-width: 220px;
  align-items: center;
  gap: 14px;
}

.brand img {
  width: clamp(142px, 12vw, 176px);
  height: auto;
}

.brand-company {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 20px;
  color: rgba(238, 247, 251, 0.82);
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a {
  border-bottom: 1px solid transparent;
  white-space: nowrap;
}

.site-nav a:hover {
  border-color: var(--cyan);
  color: var(--white);
}

.hero {
  position: relative;
  display: grid;
  min-height: 92svh;
  align-items: center;
  overflow: hidden;
  padding: 128px clamp(24px, 6vw, 96px) 84px;
  isolation: isolate;
}

.hero-image,
.hero-scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: 60% 45%;
  filter: saturate(0.96) contrast(1.02) brightness(0.92);
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(3, 9, 16, 0.92) 0%, rgba(3, 9, 16, 0.7) 38%, rgba(3, 9, 16, 0.16) 74%, rgba(3, 9, 16, 0.32) 100%),
    linear-gradient(180deg, rgba(3, 9, 16, 0.1) 0%, rgba(3, 9, 16, 0.58) 74%, #061018 100%);
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(90deg, rgba(57, 215, 242, 0.12), transparent 42%);
  opacity: 0.55;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

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

h1,
h2,
h3 {
  line-height: 1.16;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: #f7fbff;
  font-size: clamp(2.7rem, 4.8vw, 4.85rem);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1.06;
  text-wrap: balance;
  text-shadow: 0 16px 48px rgba(0, 0, 0, 0.36);
}

.nowrap {
  white-space: nowrap;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.6vw, 3.45rem);
  text-wrap: balance;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.18rem;
}

.hero-copy {
  max-width: 680px;
  color: rgba(238, 247, 251, 0.9);
  font-size: clamp(1.03rem, 1.35vw, 1.18rem);
  text-shadow: 0 10px 28px rgba(0, 0, 0, 0.42);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 22px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 11px 20px;
  font-weight: 800;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  border-color: rgba(57, 215, 242, 0.72);
  background: linear-gradient(135deg, #62e7f6, #17bacd);
  color: #041118;
  box-shadow: 0 18px 42px rgba(57, 215, 242, 0.24);
}

.button.secondary {
  border-color: rgba(238, 247, 251, 0.3);
  background: rgba(238, 247, 251, 0.075);
  backdrop-filter: blur(14px);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 760px;
  margin: 0 0 22px;
}

.hero-proof span {
  border: 1px solid rgba(195, 224, 232, 0.18);
  border-radius: 999px;
  background: rgba(5, 15, 24, 0.48);
  padding: 6px 11px;
  color: rgba(238, 247, 251, 0.86);
  font-size: 0.82rem;
  font-weight: 700;
  backdrop-filter: blur(12px);
}

.hero-metrics {
  display: grid;
  max-width: 640px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(195, 224, 232, 0.16);
  border-radius: 8px;
  background: rgba(195, 224, 232, 0.12);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-metrics div {
  min-height: 96px;
  padding: 16px 18px;
  background: linear-gradient(180deg, rgba(5, 15, 24, 0.68), rgba(5, 15, 24, 0.5));
}

.hero-metrics div + div {
  border-left: 1px solid rgba(195, 224, 232, 0.14);
}

.hero-metrics dt {
  color: var(--white);
  font-size: clamp(1.45rem, 2.4vw, 2.05rem);
  font-weight: 850;
  line-height: 1;
}

.hero-metrics dd {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  border-top: 1px solid rgba(187, 221, 230, 0.12);
  padding: clamp(72px, 9vw, 116px) clamp(20px, 5vw, 72px);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.7fr);
  gap: 38px;
  align-items: end;
  margin-bottom: 42px;
}

.section-heading.compact {
  display: block;
  max-width: 840px;
}

.section-heading p,
.intro-grid p,
.settlement-layout p,
.compliance-layout p,
.contact-panel p {
  color: var(--muted);
}

.intro {
  background:
    linear-gradient(135deg, rgba(57, 215, 242, 0.12), transparent 40%),
    #edf4f3;
  color: #0d2731;
}

.intro .section-kicker,
.intro h2 {
  color: #0b4954;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.8fr);
  gap: 42px;
  align-items: center;
}

.value-chain,
.settlement,
.cases {
  background:
    radial-gradient(circle at 12% 18%, rgba(57, 215, 242, 0.1), transparent 28rem),
    #07131d;
}

.steps,
.tech-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.step-card,
.tech-grid article,
.case-grid article {
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.045);
  padding: 24px;
}

.step-card span {
  display: inline-block;
  margin-bottom: 38px;
  color: var(--cyan);
  font-weight: 850;
}

.step-card p,
.tech-grid p,
.case-grid p {
  color: var(--muted);
}

.comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--line);
}

.comparison > div {
  padding: 28px;
}

.comparison > div:first-child {
  background: rgba(215, 99, 99, 0.08);
}

.comparison > div:last-child {
  background: rgba(42, 168, 155, 0.12);
}

ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

li + li {
  margin-top: 8px;
}

.technology {
  background:
    linear-gradient(180deg, #f7faf9 0%, #edf4f1 100%);
  color: #0c2730;
}

.technology .section-kicker {
  color: #0f766e;
}

.technology .section-heading p,
.technology .tech-grid p {
  color: #516872;
}

.technology .tech-grid article {
  border-color: rgba(13, 52, 62, 0.14);
  background: var(--white);
  box-shadow: 0 20px 48px rgba(14, 42, 52, 0.08);
}

.settlement-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(320px, 1fr);
  gap: 48px;
  align-items: start;
}

.ledger-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ledger;
}

.ledger-list li {
  display: grid;
  grid-template-columns: 122px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  border-left: 3px solid var(--cyan);
  background: linear-gradient(90deg, rgba(57, 215, 242, 0.1), rgba(255, 255, 255, 0.045));
  padding: 18px 20px;
}

.ledger-list strong {
  color: var(--white);
}

.ledger-list span {
  color: var(--muted);
}

.industries {
  background:
    radial-gradient(circle at 88% 20%, rgba(216, 175, 93, 0.16), transparent 24rem),
    #0d2635;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.industry-grid span {
  display: flex;
  min-height: 88px;
  align-items: center;
  border: 1px solid rgba(84, 215, 232, 0.22);
  border-radius: 7px;
  background: rgba(4, 11, 18, 0.38);
  padding: 16px;
  color: rgba(238, 247, 251, 0.9);
  font-weight: 700;
}

.case-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.compliance {
  background:
    linear-gradient(135deg, rgba(216, 175, 93, 0.16), transparent 38%),
    #f0ede5;
  color: #14242a;
}

.compliance .section-kicker {
  color: #876522;
}

.compliance-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(320px, 1fr);
  gap: 48px;
  align-items: center;
}

.contact {
  background: #07111f;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(300px, 0.66fr);
  gap: 48px;
  align-items: center;
  border: 1px solid rgba(84, 215, 232, 0.24);
  border-radius: 7px;
  background:
    linear-gradient(135deg, rgba(84, 215, 232, 0.14), rgba(241, 196, 91, 0.08)),
    rgba(255, 255, 255, 0.04);
  padding: clamp(28px, 5vw, 56px);
}

address {
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-style: normal;
}

address strong {
  color: var(--white);
}

address a {
  color: var(--cyan);
  font-weight: 800;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding: 24px clamp(20px, 5vw, 72px);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .section-heading,
  .intro-grid,
  .settlement-layout,
  .compliance-layout,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .steps,
  .tech-grid,
  .case-grid,
  .industry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .brand {
    min-width: 0;
  }

  .brand img {
    width: 132px;
  }

  .site-nav {
    width: 100%;
    gap: 8px 14px;
    font-size: 0.84rem;
  }

  .hero {
    min-height: auto;
    padding-top: 146px;
    padding-bottom: 48px;
  }

  .hero-scrim {
    background:
      linear-gradient(180deg, rgba(3, 9, 16, 0.98) 0%, rgba(3, 9, 16, 0.84) 52%, rgba(3, 9, 16, 0.97) 100%);
  }

  h1 {
    font-size: clamp(2.2rem, 10vw, 3.15rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-metrics,
  .steps,
  .tech-grid,
  .case-grid,
  .industry-grid,
  .comparison {
    grid-template-columns: 1fr;
  }

  .hero-metrics div {
    min-height: 84px;
  }

  .hero-metrics div + div {
    border-top: 1px solid rgba(195, 224, 232, 0.14);
    border-left: 0;
  }

  .ledger-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}
