:root {
  color-scheme: dark;
  --ink: #071016;
  --panel: #0d1720;
  --panel-2: #111f2b;
  --line: rgba(124, 214, 255, 0.22);
  --text: #f4f8fb;
  --muted: #aab7c0;
  --cyan: #39c8ff;
  --blue: #2f75ff;
  --gold: #d4a84d;
  --paper: #f5f7f9;
  --paper-2: #e9eef2;
  --paper-text: #10202a;
  --paper-muted: #5d6870;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial,
    sans-serif;
  background: var(--ink);
  color: var(--text);
}

body::selection {
  background: rgba(57, 200, 255, 0.35);
}

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

svg {
  display: block;
}

#network-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(180deg, rgba(7, 16, 22, 0.84), rgba(7, 16, 22, 0.98)),
    radial-gradient(circle at 74% 18%, rgba(57, 200, 255, 0.08), transparent 28%);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: 76px;
  padding: 0 max(32px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(6, 13, 18, 0.7);
  backdrop-filter: blur(18px);
}

.site-header.is-elevated {
  background: rgba(6, 13, 18, 0.86);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(57, 200, 255, 0.5);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(57, 200, 255, 0.2), rgba(212, 168, 77, 0.16)),
    rgba(8, 28, 40, 0.78);
  box-shadow: 0 0 28px rgba(57, 200, 255, 0.18);
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
  line-height: 1.1;
}

.brand small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: rgba(244, 248, 251, 0.74);
  font-size: 14px;
}

.main-nav a,
.header-link {
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.main-nav a:hover {
  color: #ffffff;
}

.header-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: rgba(244, 248, 251, 0.82);
  font-size: 13px;
}

.header-link svg,
.btn svg {
  width: 18px;
  height: 18px;
}

.header-link path,
.btn path,
.icon-line path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.header-link:hover {
  border-color: rgba(57, 200, 255, 0.5);
  background: rgba(57, 200, 255, 0.08);
  color: #ffffff;
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 130px max(32px, calc((100vw - var(--max)) / 2)) 96px;
}

.hero-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 11, 16, 0.96) 0%, rgba(5, 11, 16, 0.78) 36%, rgba(5, 11, 16, 0.18) 70%),
    linear-gradient(180deg, rgba(5, 11, 16, 0.24), rgba(5, 11, 16, 0.82));
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.8), transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(650px, 100%);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
}

.eyebrow.dark {
  color: #0b75a7;
}

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

h1 {
  margin-bottom: 24px;
  font-size: 62px;
  line-height: 1.08;
  font-weight: 800;
}

h2 {
  margin-bottom: 18px;
  font-size: 38px;
  line-height: 1.2;
}

h3 {
  margin-bottom: 12px;
  font-size: 21px;
  line-height: 1.3;
}

.hero-copy {
  width: min(610px, 100%);
  margin-bottom: 34px;
  color: rgba(244, 248, 251, 0.78);
  font-size: 18px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 166px;
  height: 50px;
  padding: 0 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

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

.btn-primary {
  border: 1px solid rgba(57, 200, 255, 0.72);
  background: linear-gradient(135deg, #28baf0, #2f75ff);
  box-shadow: 0 18px 40px rgba(47, 117, 255, 0.24);
  color: #ffffff;
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.hero-metrics {
  position: absolute;
  left: 50%;
  bottom: 34px;
  z-index: 3;
  display: grid;
  width: min(var(--max), calc(100% - 64px));
  grid-template-columns: repeat(4, 1fr);
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(5, 14, 20, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.hero-metrics div {
  min-height: 106px;
  padding: 24px 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.09);
}

.hero-metrics div:last-child {
  border-right: 0;
}

.hero-metrics strong {
  display: block;
  margin-bottom: 8px;
  color: #ffffff;
  font-size: 30px;
  line-height: 1;
}

.hero-metrics span {
  color: rgba(244, 248, 251, 0.68);
  font-size: 14px;
}

.section {
  position: relative;
  padding: 104px max(32px, calc((100vw - var(--max)) / 2));
}

.section-light {
  background: linear-gradient(180deg, var(--paper), var(--paper-2));
  color: var(--paper-text);
}

.section-dark {
  background:
    linear-gradient(180deg, rgba(10, 22, 31, 0.96), rgba(7, 16, 22, 0.98)),
    radial-gradient(circle at 78% 24%, rgba(57, 200, 255, 0.08), transparent 24%);
}

.section-head {
  width: min(520px, 100%);
}

.section-head.wide {
  width: min(760px, 100%);
  margin-bottom: 38px;
}

.section-head p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.section-light .section-head p:not(.eyebrow) {
  color: var(--paper-muted);
}

.intro {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  gap: 72px;
}

.intro-copy {
  display: grid;
  gap: 20px;
  color: var(--paper-muted);
  font-size: 17px;
  line-height: 1.95;
}

.intro-copy p {
  margin-bottom: 0;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.capability,
.product-list article,
.team-grid article,
.trust-grid div {
  border-radius: 8px;
}

.capability {
  min-height: 285px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.03)),
    rgba(9, 22, 31, 0.78);
}

.capability p,
.product-list p,
.team-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.icon-line {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 26px;
  place-items: center;
  border: 1px solid rgba(57, 200, 255, 0.32);
  border-radius: 8px;
  background: rgba(57, 200, 255, 0.08);
  color: var(--cyan);
}

.icon-line svg {
  width: 24px;
  height: 24px;
}

.products {
  background:
    linear-gradient(180deg, #f6f8fa, #e7edf2),
    linear-gradient(90deg, rgba(57, 200, 255, 0.12), transparent);
}

.product-layout {
  display: grid;
  grid-template-columns: 0.94fr 1.25fr;
  gap: 22px;
}

.product-main {
  min-height: 430px;
  padding: 42px;
  border: 1px solid rgba(10, 32, 45, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(15, 43, 58, 0.96), rgba(11, 22, 30, 0.98)),
    radial-gradient(circle at 88% 12%, rgba(57, 200, 255, 0.2), transparent 26%);
  color: #ffffff;
  box-shadow: 0 28px 70px rgba(12, 34, 48, 0.2);
}

.product-kicker {
  margin-bottom: 72px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
}

.product-main h3 {
  font-size: 34px;
}

.product-main p:not(.product-kicker) {
  color: rgba(244, 248, 251, 0.75);
  font-size: 16px;
  line-height: 1.9;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.product-tags span {
  padding: 8px 12px;
  border: 1px solid rgba(57, 200, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(244, 248, 251, 0.86);
  font-size: 13px;
}

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

.product-list article {
  padding: 30px;
  border: 1px solid rgba(10, 32, 45, 0.12);
  background: rgba(255, 255, 255, 0.68);
}

.product-list h3 {
  color: var(--paper-text);
}

.product-list p {
  color: var(--paper-muted);
}

.ecosystem {
  padding-top: 118px;
  padding-bottom: 118px;
  background:
    linear-gradient(110deg, rgba(7, 16, 22, 0.96), rgba(18, 32, 36, 0.9)),
    linear-gradient(90deg, rgba(212, 168, 77, 0.12), transparent 45%);
}

.ecosystem-panel {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 54px;
  align-items: center;
  padding: 54px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    rgba(9, 22, 31, 0.74);
  box-shadow: var(--shadow);
}

.ecosystem-panel p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.ecosystem-flow {
  display: flex;
  gap: 14px;
  align-items: center;
}

.ecosystem-flow span {
  flex: 1 1 0;
  min-height: 78px;
  display: grid;
  place-items: center;
  padding: 10px;
  border: 1px solid rgba(57, 200, 255, 0.28);
  border-radius: 8px;
  background: rgba(57, 200, 255, 0.08);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.ecosystem-flow i {
  flex: 0 0 32px;
  display: block;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.team-grid article {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.055);
}

.team-grid strong {
  display: block;
  margin-bottom: 16px;
  color: #ffffff;
  font-size: 20px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 36px;
}

.trust-grid div {
  min-height: 116px;
  padding: 24px;
  border: 1px solid rgba(10, 32, 45, 0.12);
  background: rgba(255, 255, 255, 0.74);
}

.trust-grid span {
  display: block;
  margin-bottom: 13px;
  color: var(--paper-muted);
  font-size: 13px;
}

.trust-grid strong {
  color: var(--paper-text);
  font-size: 17px;
  line-height: 1.45;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px max(32px, calc((100vw - var(--max)) / 2));
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: #071016;
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  margin-bottom: 8px;
}

.site-footer span,
.site-footer a {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-header {
    position: sticky;
    padding: 0 22px;
  }

  .main-nav {
    display: none;
  }

  .hero,
  .section,
  .site-footer {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero {
    min-height: 820px;
  }

  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-metrics,
  .capability-grid,
  .intro,
  .product-layout,
  .ecosystem-panel,
  .team-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    position: relative;
    left: auto;
    bottom: auto;
    width: 100%;
    margin-top: 42px;
    transform: none;
  }

  .hero-metrics div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  }

  .hero-metrics div:last-child {
    border-bottom: 0;
  }

  .capability,
  .product-main {
    min-height: auto;
  }

  .ecosystem-flow {
    flex-direction: column;
  }

  .ecosystem-flow i {
    flex: 0 0 28px;
    width: 1px;
    height: 28px;
    margin: 0 auto;
  }
}

@media (max-width: 620px) {
  .brand small,
  .header-link span {
    display: none;
  }

  .brand {
    min-width: auto;
  }

  .hero {
    padding-top: 82px;
  }

  h1 {
    font-size: 36px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .btn {
    width: 100%;
  }

  .ecosystem-panel,
  .product-main {
    padding: 30px 24px;
  }

  .site-footer {
    display: block;
  }

  .site-footer a {
    display: inline-block;
    margin-top: 18px;
  }
}