:root {
  color-scheme: light;
  --bg: #f7f9fc;
  --surface: #ffffff;
  --ink: #132238;
  --muted: #64748b;
  --line: #dbe3ef;
  --primary: #1663ff;
  --primary-dark: #0b3ca8;
  --accent: #13b8a6;
  --shadow: 0 24px 80px rgba(15, 35, 70, 0.12);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(219, 227, 239, 0.8);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 24px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.04em;
}

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

.brand small {
  color: var(--muted);
  font-size: 12px;
  margin-top: -2px;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--primary);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  max-width: 1160px;
  margin: 0 auto;
  padding: 96px 24px 72px;
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  max-width: 760px;
  margin: 8px 0 22px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.06em;
}

.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
}

.button.primary {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 12px 30px rgba(22, 99, 255, 0.25);
}

.button.secondary {
  color: var(--primary-dark);
  background: #eaf1ff;
}

.hero-card {
  display: grid;
  min-height: 360px;
  padding: 30px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top right, rgba(19, 184, 166, 0.25), transparent 36%),
    linear-gradient(145deg, #10203d, #183e7a);
  color: #fff;
  box-shadow: var(--shadow);
  align-content: end;
  gap: 10px;
}

.hero-card span {
  color: rgba(255, 255, 255, 0.68);
}

.hero-card strong {
  display: block;
  font-size: 22px;
  line-height: 1.15;
}

.section {
  max-width: 1160px;
  margin: 0 auto;
  padding: 72px 24px;
}

.section.alt {
  max-width: none;
  background: #fff;
}

.section.alt > * {
  max-width: 1112px;
  margin-left: auto;
  margin-right: auto;
}

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

.section h2 {
  margin: 6px 0 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.grid.two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.panel,
.card,
.contact-box {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface);
  box-shadow: 0 16px 40px rgba(15, 35, 70, 0.06);
}

.panel {
  padding: 28px;
}

.panel.wide {
  padding: 34px;
}

.panel h3,
.card h3 {
  margin-top: 0;
  font-size: 22px;
}

.panel p,
.card p,
.contact-box p {
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 24px;
}

.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 32px;
}

.note {
  padding: 18px;
  border-radius: 18px;
  background: #f1f6ff;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 28px 24px 42px;
  color: var(--muted);
  font-size: 14px;
}

.footer a {
  color: var(--primary);
  font-weight: 700;
}

.legal {
  min-height: 70vh;
}

.legal h1 {
  margin: 8px 0 6px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.updated {
  color: var(--muted);
}

.legal .panel h2 {
  margin-top: 30px;
  font-size: 24px;
}

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

@media (max-width: 860px) {
  .nav,
  .footer,
  .contact-box {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero,
  .grid.two,
  .cards,
  .contact-box {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 56px;
  }
}