:root {
  --bg: #07111f;
  --bg-soft: rgba(11, 29, 48, 0.8);
  --panel: rgba(9, 22, 39, 0.82);
  --panel-strong: rgba(12, 29, 50, 0.94);
  --panel-border: rgba(151, 221, 204, 0.18);
  --text: #eff7f4;
  --muted: #9fb5b0;
  --primary: #8ef3c5;
  --primary-strong: #3fd5a2;
  --accent: #8ec9ff;
  --highlight: #ffe3a3;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --content-width: min(1180px, calc(100vw - 48px));
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(66, 175, 255, 0.14), transparent 34%),
    radial-gradient(circle at 82% 14%, rgba(88, 221, 174, 0.16), transparent 24%),
    linear-gradient(135deg, #040910 0%, #07111f 42%, #0b1730 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(143, 243, 197, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 243, 197, 0.08) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 78%);
  pointer-events: none;
  z-index: -1;
}

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

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

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

.page-shell {
  width: var(--content-width);
  margin: 0 auto;
  padding: 18px 0 40px;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
  padding: 16px 20px;
  background: rgba(8, 16, 29, 0.75);
  border: 1px solid rgba(142, 243, 197, 0.12);
  border-radius: 22px;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  position: relative;
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 16px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.95), transparent 22%),
    linear-gradient(160deg, var(--primary) 0%, rgba(110, 153, 255, 0.85) 100%);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    0 0 28px rgba(142, 243, 197, 0.34);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.brand-mark::before {
  inset: 8px 10px 16px 10px;
}

.brand-mark::after {
  inset: 16px 10px 8px 10px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: 0.06em;
}

.brand-copy small {
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition:
    color var(--transition),
    background-color var(--transition),
    transform var(--transition);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text);
  background: rgba(142, 243, 197, 0.1);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 16px;
  background: rgba(142, 243, 197, 0.08);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform var(--transition),
    opacity var(--transition);
}

.section {
  padding: 38px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 24px;
  align-items: stretch;
  min-height: calc(100vh - 150px);
  padding-top: 52px;
}

.hero-copy,
.hero-panel,
.info-card,
.service-card,
.process-card,
.company-card,
.cta-banner,
.solutions-shell {
  background: linear-gradient(180deg, rgba(15, 29, 50, 0.82), rgba(8, 19, 34, 0.94));
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-copy {
  position: relative;
  overflow: hidden;
  padding: 42px;
}

.hero-copy::before {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  right: -60px;
  top: -40px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(143, 243, 197, 0.24), transparent 70%);
}

.hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(2.6rem, 5.2vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.section-kicker {
  margin: 0;
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-lead,
.section-heading p,
.company-note,
.panel-card p,
.service-card p,
.process-card p,
.solution-panel p,
.info-card p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background-color var(--transition);
}

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

.button-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #d8fff0 100%);
  color: #042038;
  box-shadow: 0 12px 34px rgba(142, 243, 197, 0.28);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
}

.hero-metrics li {
  padding: 18px 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-value {
  display: block;
  font-size: clamp(2rem, 3vw, 2.8rem);
  color: var(--highlight);
  line-height: 1;
}

.metric-label {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.hero-panel {
  display: grid;
  gap: 16px;
  padding: 18px;
  background:
    radial-gradient(circle at top right, rgba(142, 243, 197, 0.12), transparent 26%),
    linear-gradient(180deg, rgba(15, 29, 50, 0.82), rgba(8, 19, 34, 0.94));
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.panel-card {
  padding: 24px;
  background: rgba(6, 15, 28, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
}

.panel-card-main {
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.panel-label {
  margin: 0 0 10px;
  color: var(--accent);
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.panel-card h2,
.panel-card h3,
.service-card h3,
.solution-panel h3,
.process-card h3,
.info-card h3,
.company-card h3,
.section-heading h2,
.cta-banner h2 {
  margin: 0;
  line-height: 1.15;
}

.panel-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.panel-card h3 {
  font-size: 1.3rem;
}

.spotlight-tags,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.spotlight-tags span,
.chip-row span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(142, 243, 197, 0.08);
  border: 1px solid rgba(142, 243, 197, 0.18);
  color: #d3fff1;
  font-size: 0.92rem;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 26px;
}

.section-heading h2,
.cta-banner h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.03em;
}

.intro-grid,
.service-grid,
.process-grid,
.company-grid {
  display: grid;
  gap: 18px;
}

.intro-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.service-card,
.process-card,
.company-card {
  padding: 28px;
}

.card-index {
  margin: 0 0 18px;
  color: var(--highlight);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
}

.service-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.service-card {
  min-height: 100%;
}

.service-card ul {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  position: relative;
  margin-top: 10px;
  padding-left: 16px;
  color: #cfd9d6;
}

.service-card li::before {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  left: 0;
  top: 0.7em;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 16px rgba(142, 243, 197, 0.45);
}

.solutions-shell {
  padding: 16px;
}

.solution-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.solution-tab {
  padding: 12px 16px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  cursor: pointer;
  transition:
    background-color var(--transition),
    color var(--transition),
    transform var(--transition);
}

.solution-tab:hover,
.solution-tab:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
}

.solution-tab.is-active {
  background: rgba(142, 243, 197, 0.14);
  color: var(--text);
}

.solution-panels {
  position: relative;
  min-height: 220px;
}

.solution-panel {
  display: none;
  padding: 28px;
  border-radius: 22px;
  background: rgba(6, 15, 28, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.solution-panel.is-active {
  display: block;
}

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

.process-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(142, 243, 197, 0.12);
  color: var(--primary);
  font-weight: 700;
}

.company-grid {
  grid-template-columns: 1.1fr 0.9fr;
}

.company-list {
  display: grid;
  gap: 18px;
  margin: 0;
}

.company-list div {
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.company-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.company-list dt {
  margin-bottom: 8px;
  color: var(--muted);
}

.company-list dd {
  margin: 0;
  line-height: 1.7;
}

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 32px;
  background:
    radial-gradient(circle at 10% 30%, rgba(142, 243, 197, 0.12), transparent 24%),
    linear-gradient(135deg, rgba(11, 35, 57, 0.96), rgba(8, 18, 34, 0.96));
}

.site-footer {
  padding: 16px 8px 0;
  color: var(--muted);
  text-align: center;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

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

@media (max-width: 1160px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid,
  .intro-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .page-shell {
    width: min(100vw - 28px, 100%);
  }

  .site-header {
    position: sticky;
    top: 12px;
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 8px;
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    text-align: center;
  }

  .hero,
  .company-grid,
  .cta-banner {
    grid-template-columns: 1fr;
    display: grid;
  }

  .panel-grid,
  .process-grid,
  .intro-grid,
  .service-grid,
  .company-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 720px) {
  :root {
    --content-width: min(100vw - 24px, 100%);
  }

  .site-header,
  .hero-copy,
  .hero-panel,
  .info-card,
  .service-card,
  .process-card,
  .company-card,
  .cta-banner,
  .solutions-shell {
    border-radius: 22px;
  }

  .hero-copy,
  .info-card,
  .service-card,
  .process-card,
  .company-card {
    padding: 24px;
  }

  .hero {
    padding-top: 20px;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 14vw, 3.7rem);
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: 28px 0;
  }

  .section-heading h2,
  .cta-banner h2 {
    font-size: clamp(1.9rem, 9vw, 2.6rem);
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}