:root {
  color-scheme: dark;
  --bg: #070a0f;
  --panel: #0e1420;
  --panel-2: #111927;
  --ink: #edf5ff;
  --muted: #9fb1c9;
  --line: rgba(154, 184, 221, 0.2);
  --blue: #37a7ff;
  --cyan: #35f1d1;
  --lime: #b7ff6a;
  --white: #ffffff;
  --shadow: 0 24px 80px 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 18% 12%, rgba(55, 167, 255, 0.16), transparent 34%),
    radial-gradient(circle at 82% 22%, rgba(53, 241, 209, 0.12), transparent 30%),
    linear-gradient(180deg, #05070b 0%, #0a0f18 42%, #f4f8fb 42%, #f4f8fb 100%);
  color: var(--ink);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 10, 15, 0.82);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 206px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(53, 241, 209, 0.55);
  background:
    linear-gradient(135deg, rgba(55, 167, 255, 0.35), rgba(53, 241, 209, 0.06)),
    #0b1320;
  display: grid;
  place-items: center;
  box-shadow: 0 0 26px rgba(53, 241, 209, 0.2);
}

.brand-mark::before {
  content: "";
  width: 16px;
  height: 16px;
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
  font-size: 14px;
  color: #c8d5e8;
}

.nav-links a {
  white-space: nowrap;
  opacity: 0.86;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  opacity: 1;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(53, 241, 209, 0.54);
  background: rgba(53, 241, 209, 0.08);
  color: #dcfffa;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
}

.menu-button span,
.menu-button::before,
.menu-button::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  min-height: calc(100vh - 76px);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 7, 11, 0.92) 0%, rgba(5, 7, 11, 0.72) 38%, rgba(5, 7, 11, 0.22) 72%),
    linear-gradient(180deg, rgba(5, 7, 11, 0.1), rgba(5, 7, 11, 0.82)),
    url("assets/hero-ai-data-ops.png") center right / cover no-repeat;
}

.hero::after,
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.82), transparent 75%);
}

.hero-inner,
.section-inner,
.page-hero-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 680px;
  padding: 82px 0 120px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #b9fff3;
  font-size: 14px;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--cyan);
}

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

h1 {
  font-size: clamp(42px, 7vw, 82px);
  line-height: 1.02;
  letter-spacing: 0;
  margin-bottom: 24px;
}

.hero-copy p {
  max-width: 620px;
  color: #c9d7ea;
  font-size: 18px;
  line-height: 1.85;
  margin-bottom: 30px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #021018;
  font-weight: 700;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.metric {
  padding: 28px;
  background: rgba(8, 13, 22, 0.88);
}

.metric strong {
  display: block;
  font-size: 30px;
  color: var(--white);
}

.metric span {
  color: var(--muted);
  font-size: 14px;
}

section {
  padding: 92px 0;
}

.light {
  background: #f4f8fb;
  color: #111927;
}

.dark {
  background: #07101b;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.section-head h2 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.16;
  margin-bottom: 0;
}

.section-head p {
  max-width: 520px;
  color: #5b6b80;
  line-height: 1.8;
  margin-bottom: 0;
}

.dark .section-head p {
  color: #9fb1c9;
}

.grid {
  display: grid;
  gap: 18px;
}

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

.grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  border: 1px solid rgba(20, 37, 58, 0.12);
  background: #ffffff;
  padding: 28px;
  box-shadow: 0 18px 42px rgba(17, 25, 39, 0.07);
}

.dark .card {
  border-color: rgba(154, 184, 221, 0.16);
  background: linear-gradient(180deg, rgba(19, 30, 47, 0.94), rgba(9, 16, 27, 0.94));
  box-shadow: var(--shadow);
}

.card:hover {
  transform: translateY(-4px);
  transition: transform 180ms ease;
}

.icon {
  width: 46px;
  height: 46px;
  margin-bottom: 22px;
  display: grid;
  place-items: center;
  color: #06131e;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
}

.card h3 {
  font-size: 21px;
  margin-bottom: 12px;
}

.card p,
.card li {
  color: #5b6b80;
  line-height: 1.76;
}

.dark .card p,
.dark .card li {
  color: #afbed1;
}

.card ul {
  padding-left: 18px;
  margin-bottom: 0;
}

.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 42px;
  align-items: center;
}

.console {
  border: 1px solid rgba(53, 241, 209, 0.24);
  background:
    linear-gradient(180deg, rgba(13, 25, 38, 0.95), rgba(8, 13, 22, 0.98)),
    #09101b;
  padding: 22px;
  box-shadow: var(--shadow);
}

.console-top {
  display: flex;
  gap: 7px;
  padding-bottom: 18px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
}

.workflow {
  display: grid;
  gap: 12px;
}

.workflow-row {
  display: grid;
  grid-template-columns: 120px 1fr 72px;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid rgba(154, 184, 221, 0.13);
  background: rgba(255, 255, 255, 0.04);
  color: #d9e7fa;
}

.bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  width: var(--w);
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--lime));
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  padding: 9px 12px;
  border: 1px solid rgba(55, 167, 255, 0.22);
  color: #165170;
  background: rgba(55, 167, 255, 0.08);
  font-size: 14px;
}

.dark .tag {
  color: #c8fff6;
  border-color: rgba(53, 241, 209, 0.26);
  background: rgba(53, 241, 209, 0.06);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 74px;
  background:
    linear-gradient(90deg, rgba(5, 7, 11, 0.94), rgba(5, 7, 11, 0.72)),
    url("assets/hero-ai-data-ops.png") center / cover no-repeat;
}

.page-hero h1 {
  max-width: 760px;
  font-size: clamp(38px, 5.6vw, 68px);
}

.page-hero p {
  max-width: 720px;
  color: #c8d5e8;
  line-height: 1.82;
  font-size: 18px;
}

.table-like {
  display: grid;
  border: 1px solid rgba(17, 25, 39, 0.1);
  background: #ffffff;
}

.table-row {
  display: grid;
  grid-template-columns: 0.7fr 1.2fr 1.1fr;
  gap: 20px;
  padding: 22px;
  border-bottom: 1px solid rgba(17, 25, 39, 0.08);
}

.table-row:last-child {
  border-bottom: 0;
}

.table-row strong {
  color: #111927;
}

.table-row span {
  color: #64748b;
  line-height: 1.72;
}

.process {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.process-step {
  position: relative;
  padding: 24px 18px;
  border: 1px solid rgba(53, 241, 209, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  margin-bottom: 18px;
  color: var(--cyan);
  font-weight: 800;
}

.process-step p {
  color: #afbed1;
  line-height: 1.7;
  margin-bottom: 0;
}

.footer {
  background: #05070b;
  border-top: 1px solid var(--line);
  padding: 42px 0;
  color: #9fb1c9;
}

.footer-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

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

@media (max-width: 1060px) {
  .nav-links {
    position: fixed;
    inset: 76px 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px;
    background: rgba(7, 10, 15, 0.97);
    border-bottom: 1px solid var(--line);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 13px 0;
  }

  .menu-button {
    display: block;
    margin-left: auto;
  }

  .grid.four,
  .grid.three,
  .metrics,
  .process {
    grid-template-columns: repeat(2, 1fr);
  }

  .split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .nav {
    width: min(100% - 24px, 1180px);
  }

  .brand {
    min-width: 0;
    font-size: 14px;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy {
    padding: 76px 0 92px;
  }

  .section-head {
    display: block;
  }

  .section-head h2 {
    margin-bottom: 16px;
  }

  section {
    padding: 64px 0;
  }

  .grid.four,
  .grid.three,
  .metrics,
  .process {
    grid-template-columns: 1fr;
  }

  .table-row,
  .workflow-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    display: block;
  }
}