:root {
  color-scheme: light;
  --text: #172033;
  --muted: #657083;
  --line: #d9e0eb;
  --brand: #2f6df6;
  --green: #13866f;
  --pink: #d9468a;
  --bg: #f6f8fb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 68px;
  padding: 0 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  background: rgba(8, 20, 36, 0.34);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: #fff;
  color: var(--brand);
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
}

.hero {
  min-height: 84vh;
  padding: 150px 70px 120px;
  position: relative;
  display: flex;
  align-items: center;
  background-image: url("/assets/hero-art.png?v=20260524-hero2");
  background-size: cover;
  background-position: 58% center;
  color: #fff;
  overflow: hidden;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 15, 30, 0.74), rgba(5, 15, 30, 0.26) 54%, rgba(5, 15, 30, 0.02)),
    linear-gradient(180deg, rgba(5, 15, 30, 0.26), rgba(5, 15, 30, 0.05) 35%, rgba(5, 15, 30, 0.18));
}

.hero-content {
  position: relative;
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  color: #63e6be;
}

.hero h1 {
  margin: 0;
  font-size: 72px;
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 590px;
  margin: 26px 0 0;
  font-size: 21px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 36px;
}

.primary-link,
.secondary-link {
  min-height: 46px;
  padding: 12px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
}

.primary-link {
  background: #fff;
  color: #11306b;
}

.secondary-link {
  border: 1px solid rgba(255, 255, 255, 0.56);
  color: #fff;
}

.section {
  padding: 76px 70px;
  max-width: 1240px;
  margin: 0 auto;
}

.section-head {
  margin-bottom: 32px;
}

.section h2,
.flow-copy h2,
.contact h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: 0;
}

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

.feature-grid article {
  min-height: 190px;
  padding: 26px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
}

.feature-grid span {
  color: var(--brand);
  font-weight: 800;
  font-size: 14px;
}

.feature-grid h3 {
  margin: 18px 0 10px;
  font-size: 21px;
}

.feature-grid p,
.flow-copy p,
.info-list p,
.contact p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.flow-section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 70px 86px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.flow-copy p {
  margin-top: 18px;
}

.flow-steps {
  display: grid;
  gap: 12px;
}

.flow-steps div {
  padding: 18px 20px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.flow-steps b {
  font-size: 17px;
}

.flow-steps span {
  color: var(--muted);
  font-size: 14px;
}

.compact {
  padding-top: 20px;
}

.info-list {
  display: grid;
  gap: 12px;
}

.info-list p {
  padding: 18px 20px;
  border-left: 4px solid var(--green);
  background: #fff;
  border-radius: 0 8px 8px 0;
}

.contact {
  margin: 0 auto 70px;
  max-width: 1100px;
  padding: 42px;
  border-radius: 8px;
  background: #172033;
  color: #fff;
}

.contact p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.78);
}

.contact a {
  display: inline-flex;
  margin-top: 18px;
  color: #8bd5ff;
}

footer {
  min-height: 78px;
  padding: 0 70px;
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
}

footer span {
  margin-right: auto;
}

.doc-page {
  background: #fff;
}

.doc-main {
  max-width: 880px;
  margin: 0 auto;
  padding: 110px 24px 80px;
}

.doc-main h1 {
  font-size: 34px;
}

.doc-main h2 {
  margin-top: 34px;
  font-size: 22px;
}

.doc-main p,
.doc-main li {
  color: var(--muted);
  line-height: 1.85;
  font-size: 16px;
}

@media (max-width: 860px) {
  .site-header {
    height: 62px;
    padding: 0 18px;
  }

  nav {
    gap: 14px;
    font-size: 13px;
  }

  nav a:nth-child(1),
  nav a:nth-child(2) {
    display: none;
  }

  .hero {
    min-height: 82vh;
    padding: 118px 22px 78px;
    background-position: 60% center;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .hero-actions {
    flex-direction: column;
    max-width: 260px;
  }

  .section,
  .flow-section {
    padding-left: 22px;
    padding-right: 22px;
  }

  .feature-grid,
  .flow-section {
    grid-template-columns: 1fr;
  }

  .flow-steps div {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .contact {
    margin-left: 22px;
    margin-right: 22px;
    padding: 28px;
  }

  footer {
    padding: 22px;
    min-height: auto;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}