:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #607089;
  --line: #dce3ee;
  --paper: #f7f9fc;
  --panel: #ffffff;
  --blue: #1266f1;
  --blue-dark: #0c3f9d;
  --green: #0e9f6e;
  --court: #e86f2d;
  --shadow: 0 18px 45px rgba(23, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(220, 227, 238, 0.8);
  background: rgba(247, 249, 252, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  font-size: 19px;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(18, 102, 241, 0.22);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 15px;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--blue-dark);
}

.hero {
  position: relative;
  min-height: calc(100vh - 68px);
  display: grid;
  align-items: center;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(247, 249, 252, 0.94), rgba(247, 249, 252, 0.72) 46%, rgba(247, 249, 252, 0.2)),
    url("assets/icon.png") right 10vw center / min(42vw, 520px) no-repeat,
    linear-gradient(135deg, #eef5ff, #fff7f1 65%, #edf7f4);
}

.hero-inner {
  position: relative;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 96px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue-dark);
  font-weight: 800;
  letter-spacing: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 650px;
  font-size: clamp(44px, 7vw, 84px);
}

.hero-copy {
  max-width: 640px;
  margin: 24px 0 0;
  color: #3d4c63;
  font-size: 20px;
}

.actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  font-weight: 750;
}

.button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: white;
}

.hero-stats {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 170px));
  gap: 14px;
}

.metric {
  padding: 16px;
  border: 1px solid rgba(220, 227, 238, 0.88);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.75);
}

.metric strong {
  display: block;
  font-size: 24px;
  color: var(--blue-dark);
}

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

main section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.section-title {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-title p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(23, 32, 51, 0.06);
}

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

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

.feature-band {
  width: 100%;
  max-width: none;
  background: #172033;
  color: white;
  border-top: 1px solid #172033;
  border-bottom: 1px solid #172033;
}

.feature-band > div {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: center;
}

.feature-band p {
  color: #cbd6e6;
}

.timeline {
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
}

.step-number {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--court);
  color: white;
  font-weight: 800;
}

.step h3 {
  margin: 0 0 4px;
}

.step p {
  margin: 0;
}

.page-hero {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 70px 0 36px;
}

.page-hero h1 {
  max-width: 820px;
  font-size: clamp(38px, 6vw, 64px);
}

.page-hero p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.content {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 80px;
}

.content-section {
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.content-section h2 {
  margin-bottom: 12px;
  font-size: 28px;
}

.content-section h3 {
  margin: 22px 0 8px;
  font-size: 20px;
}

.content-section p,
.content-section li {
  color: #46566f;
}

.content-section ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.notice {
  padding: 18px;
  border-left: 4px solid var(--blue);
  background: #eef5ff;
  border-radius: 6px;
  color: #29415f;
}

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

.footer {
  border-top: 1px solid var(--line);
  background: white;
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

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

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: auto;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(247, 249, 252, 0.88), rgba(247, 249, 252, 0.95)),
      url("assets/icon.png") center 30px / 190px no-repeat,
      linear-gradient(135deg, #eef5ff, #fff7f1 65%, #edf7f4);
  }

  .hero-inner {
    padding: 260px 0 64px;
  }

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

  .hero-stats,
  .grid,
  .contact-list,
  .feature-band > div {
    grid-template-columns: 1fr;
  }

  main section,
  .feature-band > div {
    padding: 52px 0;
  }

  .footer-inner {
    flex-direction: column;
  }
}