:root {
  --bg: #eef5fd;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #ffffff;
  --surface-muted: rgba(20, 74, 160, 0.06);
  --ink: #10243f;
  --text: #314b68;
  --muted: #6d8198;
  --line: rgba(16, 36, 63, 0.12);
  --line-strong: rgba(16, 36, 63, 0.2);
  --accent: #1d63ff;
  --accent-strong: #123fb9;
  --accent-soft: rgba(29, 99, 255, 0.1);
  --warm: #3a86ff;
  --warm-soft: rgba(58, 134, 255, 0.12);
  --shadow: 0 24px 60px rgba(24, 52, 92, 0.12);
  --shadow-soft: 0 12px 28px rgba(24, 52, 92, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(58, 134, 255, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(29, 99, 255, 0.15), transparent 28%),
    linear-gradient(180deg, #f6faff 0%, var(--bg) 52%, #edf3fb 100%);
  color: var(--text);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

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

.site-shell {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.site-shell--legal {
  width: min(900px, calc(100% - 40px));
}

.site-shell--page {
  width: min(1100px, calc(100% - 40px));
}

.site-header {
  position: sticky;
  top: 14px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 16px;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  background: rgba(244, 249, 255, 0.86);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.site-header--legal {
  position: static;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 auto;
  min-width: 0;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand__copy {
  display: grid;
  gap: 2px;
}

.brand__copy strong {
  color: var(--ink);
  font-size: 15px;
}

.brand__copy span {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px 14px;
}

.site-nav--legal {
  gap: 10px 14px;
}

.site-nav > a {
  color: var(--text);
  font-size: 14px;
}

.site-nav > a.nav-action {
  color: #fff;
}

.site-nav > a.nav-action--ghost {
  color: var(--ink);
}

.site-nav > a.is-current {
  color: var(--accent-strong);
  font-weight: 700;
}

.nav-action {
  padding: 10px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 10px 24px rgba(29, 99, 255, 0.18);
}

.nav-action--ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
  box-shadow: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 28px;
  align-items: stretch;
  padding: 26px 0 18px;
}

.hero__copy,
.hero__panel,
.info-card,
.capability-card,
.platform-card,
.company-card,
.contact-card,
.legal-card,
.story-card,
.timeline-card,
.feature-panel,
.page-hero {
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: var(--surface);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
}

.hero__copy,
.page-hero {
  padding: 34px;
  border-radius: var(--radius-lg);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: rgba(18, 63, 185, 0.4);
}

.hero h1,
.section-heading h2,
.legal-page h1,
.page-hero h1 {
  margin: 16px 0 0;
  color: var(--ink);
  font-family: "Avenir Next", "PingFang SC", "Songti SC", serif;
  font-size: clamp(34px, 5.6vw, 58px);
  line-height: 1.08;
}

.page-hero h1 {
  font-size: clamp(30px, 4.8vw, 48px);
}

.hero__summary,
.page-hero p {
  max-width: 760px;
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.9;
}

.page-hero p {
  font-size: 16px;
  line-height: 1.85;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero__actions .button {
  min-width: 148px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

.button--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 16px 32px rgba(29, 99, 255, 0.18);
}

.button--secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.hero__metrics li {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(15, 42, 63, 0.06);
}

.hero__metrics strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
  margin-bottom: 6px;
}

.hero__metrics span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.hero__panel {
  display: grid;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-lg);
}

.hero-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
}

.hero-card--accent {
  background: linear-gradient(135deg, rgba(29, 99, 255, 0.95), rgba(18, 63, 185, 0.9));
  color: rgba(255, 255, 255, 0.92);
  border-color: transparent;
}

.hero-card--stack {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(241, 247, 255, 0.86));
}

.hero-card__kicker {
  display: inline-block;
  margin-bottom: 12px;
  color: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.76;
}

.hero-card strong {
  display: block;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.35;
}

.hero-card--accent strong,
.hero-card--accent p,
.hero-card--accent .hero-card__kicker {
  color: #fff;
}

.hero-card p,
.legal-card p,
.legal-card li {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
}

.contact-line {
  display: block;
  color: var(--ink);
  font-size: 24px;
  font-weight: 700;
  word-break: break-all;
}

.contact-line--secondary {
  margin-top: 8px;
  font-size: 18px;
  font-weight: 600;
}

.bullet-list,
.flow-list,
.legal-card ul {
  padding-left: 18px;
  margin: 12px 0 0;
}

.bullet-list li,
.flow-list li {
  margin: 8px 0;
  line-height: 1.8;
}

.section {
  margin-top: 22px;
  padding: 28px 0 0;
}

.section-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.section-heading h2 {
  font-size: clamp(26px, 4vw, 40px);
}

.section-heading p,
.legal-page > .section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.intro-grid,
.capability-grid,
.contact-grid,
.company-grid,
.story-grid,
.feature-split {
  display: grid;
  gap: 16px;
}

.intro-grid,
.capability-grid,
.contact-grid,
.company-grid,
.story-grid,
.feature-split {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.info-card,
.capability-card,
.contact-card,
.company-card,
.story-card,
.timeline-card,
.feature-panel {
  padding: 24px;
  border-radius: var(--radius-md);
}

.info-card h3,
.capability-card h3,
.platform-card h3,
.company-card h3,
.contact-card h3,
.legal-card h2,
.story-card h3,
.timeline-card h3,
.feature-panel h3,
.cta-band strong {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
}

.info-card p,
.capability-card p,
.platform-card p,
.company-card p,
.contact-card p,
.story-card p,
.timeline-card p,
.feature-panel p,
.cta-band p {
  margin: 12px 0 0;
  line-height: 1.8;
}

.capability-card {
  position: relative;
  overflow: hidden;
}

.capability-card span,
.timeline-card span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--warm-soft);
  color: var(--warm);
  font-size: 12px;
  font-weight: 700;
}

.timeline-card span {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.platform-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.45fr) minmax(0, 0.45fr);
  gap: 16px;
}

.platform-card {
  padding: 24px;
  border-radius: var(--radius-md);
}

.platform-card--wide {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(241, 247, 255, 0.86));
}

.flow-list {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.flow-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0 14px 54px;
  position: relative;
  margin: 0;
  border-top: 1px solid var(--line);
}

.flow-list li:first-child {
  border-top: 0;
  padding-top: 6px;
}

.flow-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 14px;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.flow-list strong {
  color: var(--ink);
  font-size: 15px;
}

.flow-list span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.company-card--note {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(241, 247, 255, 0.86));
}

.company-grid--single {
  grid-template-columns: 1fr;
}

.company-list {
  display: grid;
  gap: 16px;
  margin: 16px 0 0;
}

.company-list div {
  display: grid;
  gap: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.company-list div:first-child {
  padding-top: 0;
  border-top: 0;
}

.company-list dt {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.company-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
  word-break: break-word;
}

.contact-card__value {
  display: inline-block;
  margin-top: 12px;
  color: var(--ink);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  word-break: break-word;
}

.contact-card__value--text {
  font-size: 16px;
}

.contact-card__value--email {
  font-size: 20px;
}

.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 24px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(29, 99, 255, 0.92), rgba(18, 63, 185, 0.92));
  box-shadow: var(--shadow-soft);
  color: rgba(255, 255, 255, 0.94);
}

.cta-band strong,
.cta-band p {
  color: #fff;
}

.inline-link-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.inline-link-group a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.inline-link-group--light a {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 28px;
  margin-top: 36px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-soft);
}

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

.site-footer p {
  margin: 10px 0 0;
  line-height: 1.8;
  word-break: break-word;
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  color: var(--muted);
  font-size: 13px;
}

.legal-page {
  display: grid;
  gap: 18px;
}

.section-heading--legal {
  margin-bottom: 0;
}

.section-heading--legal h1 {
  font-size: clamp(28px, 4.2vw, 42px);
}

.legal-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.legal-card h2 {
  margin-top: 24px;
  font-size: 18px;
}

.legal-card h2:first-child {
  margin-top: 0;
}

@media (max-width: 1024px) {
  .hero,
  .platform-grid {
    grid-template-columns: 1fr;
  }

  .hero__copy {
    padding-bottom: 28px;
  }

  .hero__metrics,
  .intro-grid,
  .capability-grid,
  .contact-grid,
  .company-grid,
  .story-grid,
  .feature-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  .site-shell,
  .site-shell--legal,
  .site-shell--page {
    width: min(100% - 24px, 1200px);
    padding-top: 16px;
  }

  .site-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 14px;
    border-radius: 28px;
    top: 8px;
    padding: 14px;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    min-width: 72px;
    white-space: nowrap;
  }

  .site-nav {
    display: none;
    width: 100%;
    padding-top: 12px;
    border-top: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

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

  .site-nav > a,
  .nav-action {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .hero__actions,
  .inline-link-group,
  .site-footer__meta {
    width: 100%;
  }

  .hero__actions .button,
  .inline-link-group a {
    width: 100%;
  }

  .hero__copy,
  .hero__panel,
  .info-card,
  .capability-card,
  .platform-card,
  .company-card,
  .contact-card,
  .legal-card,
  .site-footer,
  .page-hero,
  .story-card,
  .timeline-card,
  .feature-panel,
  .cta-band {
    padding: 22px;
  }

  .hero__metrics,
  .intro-grid,
  .capability-grid,
  .contact-grid,
  .company-grid,
  .story-grid,
  .feature-split {
    grid-template-columns: 1fr;
  }

  .hero__metrics li,
  .company-list div {
    padding-top: 12px;
  }

  .hero h1,
  .section-heading h2,
  .legal-page h1,
  .page-hero h1 {
    font-size: clamp(28px, 9vw, 42px);
  }

  .hero__summary,
  .page-hero p,
  .story-card p,
  .timeline-card p,
  .feature-panel p,
  .contact-card p,
  .company-card p {
    font-size: 15px;
  }

  .contact-card__value {
    font-size: 22px;
  }
}