:root {
  --bg: #0a0f1f;
  --panel: #111a33;
  --panel-soft: #162345;
  --text: #e8eefc;
  --muted: #b9c8f0;
  --brand: #5aa9ff;
  --brand-2: #7d67ff;
  --line: rgba(181, 203, 255, 0.28);
  --success: #34d399;
  --radius: 14px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at top left, #13224a 0%, var(--bg) 45%);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(9, 14, 30, 0.8);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
}

.brand img {
  width: 36px;
  height: 36px;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.site-nav a {
  color: var(--text);
  font-weight: 600;
}

.site-nav a.active {
  color: #9ec7ff;
}

.menu-toggle {
  display: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px 10px;
}

.hero {
  padding: 72px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}

.eyebrow {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9ec7ff;
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.25;
}

h1 {
  font-size: clamp(30px, 4.3vw, 50px);
  margin-bottom: 16px;
}

h2 {
  font-size: clamp(24px, 3.1vw, 34px);
  margin-bottom: 18px;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  margin: 0 0 24px;
}

.hero-card,
.card {
  background: linear-gradient(180deg, rgba(20, 34, 67, 0.92), rgba(13, 23, 48, 0.92));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.hero-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 10px 18px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: white;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  filter: brightness(1.05);
}

.btn-secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 14px;
}

.btn-lg {
  padding: 12px 22px;
}

.section {
  padding: 54px 0;
}

.section-alt {
  background: rgba(8, 14, 30, 0.44);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

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

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

.card-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
}

.cta-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px;
  border: 1px solid rgba(116, 188, 255, 0.5);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(45, 95, 169, 0.3), rgba(120, 101, 255, 0.22));
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 20px 0;
  background: rgba(6, 11, 24, 0.82);
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.footer-wrap nav {
  display: inline-flex;
  gap: 14px;
}

.page-title {
  padding-bottom: 22px;
}

.contact-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
}

.inline-icon {
  width: 22px;
  height: 22px;
}

.info-block {
  max-width: 760px;
}

.info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.info-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 8px;
}

.info-list span {
  color: var(--muted);
}

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

.legal-content {
  max-width: 920px;
}

.legal-content h2 {
  margin-top: 28px;
  margin-bottom: 10px;
  font-size: 24px;
}

.legal-content ul {
  margin: 0;
  padding-left: 20px;
}

.legal-content p,
.legal-content li {
  color: #d5e1ff;
}

@media (max-width: 920px) {
  .hero-grid,
  .cards-3,
  .cards-2 {
    grid-template-columns: 1fr;
  }

  .cta-banner,
  .footer-wrap,
  .info-list li {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    right: 4vw;
    width: min(260px, 92vw);
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #0f1a36;
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

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