:root {
  color-scheme: light;
  --ink: #101722;
  --muted: #5a6676;
  --soft: #eef3f8;
  --paper: #ffffff;
  --line: #d9e2ec;
  --night: #07111f;
  --night-2: #0b1828;
  --night-3: #10233a;
  --cyan: #5eead4;
  --green: #7ddc8d;
  --amber: #f7b955;
  --blue: #67a6ff;
  --shadow: 0 22px 60px rgba(16, 23, 34, 0.13);
  --radius: 8px;
  --max: 1160px;
  --font: "Aptos", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #f8fafc;
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.65;
  letter-spacing: 0;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 17, 31, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(var(--max), calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: #fff;
  font-weight: 800;
  white-space: nowrap;
}

.brand-logo {
  width: 145px;
  height: 40px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--night);
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  border-radius: 7px;
  font-size: 15px;
  font-weight: 900;
}

.brand small {
  display: block;
  margin-top: -4px;
  color: #91a4bd;
  font-size: 12px;
  font-weight: 500;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 10px 13px;
  color: #d7e1ee;
  border-radius: 6px;
  font-size: 14px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(94, 234, 212, 0.13) 1px, transparent 1px),
    linear-gradient(rgba(103, 166, 255, 0.09) 1px, transparent 1px),
    radial-gradient(circle at 80% 12%, rgba(94, 234, 212, 0.2), transparent 32%),
    linear-gradient(135deg, #07111f 0%, #0b1828 52%, #10233a 100%);
  background-size: 48px 48px, 48px 48px, auto, auto;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(94, 234, 212, 0.65), transparent);
}

.hero-grid {
  width: min(var(--max), calc(100% - 40px));
  min-height: 680px;
  margin: 0 auto;
  padding: 86px 0 78px;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 58px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-title {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 6.2vw, 82px);
  line-height: 1.02;
  font-weight: 900;
}

.hero-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: #b8c7da;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--cyan);
  color: #06111d;
  font-weight: 800;
}

.button.secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

.signal-panel {
  position: relative;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(8, 23, 39, 0.82);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.signal-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.signal-row b {
  display: block;
  color: #fff;
}

.signal-row span {
  color: #8fa3bc;
  font-size: 13px;
}

.signal-value {
  color: var(--green);
  font-weight: 900;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.metric {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.metric b {
  display: block;
  color: #fff;
  font-size: 22px;
}

.metric span {
  color: #9aabc0;
  font-size: 13px;
}

.section {
  padding: 86px 0;
  background: #f8fafc;
}

.section.dark {
  color: #fff;
  background: var(--night);
}

.section-inner,
.page-hero-inner,
.footer-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section-header {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-header h2,
.page-hero h1 {
  margin: 0;
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 1.12;
}

.section-header p,
.page-hero p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.section.dark .section-header p {
  color: #a9b8ca;
}

.card-grid,
.feature-grid,
.culture-grid,
.benefit-grid,
.contact-grid {
  display: grid;
  gap: 18px;
}

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

.feature-grid {
  grid-template-columns: 0.9fr 1.1fr;
  align-items: start;
}

.culture-grid {
  grid-template-columns: repeat(7, 1fr);
}

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

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 10px 30px rgba(16, 23, 34, 0.05);
}

.section.dark .card {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.section.dark .card p {
  color: #b3c0d0;
}

.tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(94, 234, 212, 0.12);
  color: #0b756b;
  font-size: 12px;
  font-weight: 800;
}

.section.dark .tag {
  color: var(--cyan);
}

.page-hero {
  padding: 88px 0 70px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(94, 234, 212, 0.12) 1px, transparent 1px),
    linear-gradient(rgba(103, 166, 255, 0.08) 1px, transparent 1px),
    linear-gradient(135deg, var(--night), var(--night-3));
  background-size: 48px 48px, 48px 48px, auto;
}

.page-hero p {
  color: #b8c7da;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(280px, 0.22fr);
  gap: 28px;
  align-items: start;
}

.prose {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.prose h2,
.prose h3 {
  margin: 0 0 14px;
  line-height: 1.24;
}

.prose p {
  margin: 0 0 18px;
  color: #384656;
}

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

.timeline {
  position: relative;
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.timeline-date {
  color: #0f766e;
  font-weight: 900;
}

.timeline-item h3 {
  margin: 0 0 6px;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
}

.legal-shell {
  max-width: 860px;
  margin: 0 auto;
}

.legal-shell .prose {
  box-shadow: none;
}

.site-footer {
  color: #c5d1df;
  background: #050b14;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  padding: 46px 0 26px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 26px;
}

.site-footer h2,
.site-footer h3,
.site-footer p {
  margin-top: 0;
}

.site-footer p,
.site-footer a {
  color: #91a4bd;
}

.site-footer a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #778aa2;
  font-size: 13px;
}

@media (max-width: 960px) {
  .hero-grid,
  .feature-grid,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding: 70px 0 60px;
  }

  .card-grid,
  .benefit-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 20px 20px;
    background: rgba(7, 17, 31, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .site-header[data-open="true"] .nav-links {
    display: flex;
  }

  .nav-links a {
    padding: 13px 12px;
  }

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

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 560px) {
  .nav-shell,
  .hero-grid,
  .section-inner,
  .page-hero-inner,
  .footer-inner {
    width: min(100% - 28px, var(--max));
  }

  .hero-title {
    font-size: 40px;
  }

  .hero-copy,
  .section-header p,
  .page-hero p {
    font-size: 16px;
  }

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

  .signal-panel,
  .prose,
  .card {
    padding: 20px;
  }

  .card-grid,
  .benefit-grid,
  .contact-grid,
  .culture-grid,
  .footer-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}