:root {
  color-scheme: light;
  --navy: #0d2a4a;
  --navy-deep: #071c34;
  --blue: #1668a5;
  --cyan: #2e9bb5;
  --ink: #1b2d40;
  --muted: #687b8e;
  --line: #d9e3eb;
  --pale: #f3f7fa;
  font-family: "Inter", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  background: #fff;
  color: var(--ink);
}

a { color: inherit; }

.page-shell {
  width: min(1120px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.site-header {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--navy);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .14em;
  text-decoration: none;
}

.header-label, .eyebrow, .card-index {
  color: var(--cyan);
  font: 600 10px/1.4 "SFMono-Regular", Consolas, monospace;
  letter-spacing: .16em;
}

.hero {
  min-height: 340px;
  padding: 74px 0 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-copy { width: min(100%, 760px); }

.eyebrow { margin: 0 0 20px; }

h1, h2, p { margin-top: 0; }

h1 {
  max-width: 650px;
  margin: 0 auto 18px;
  color: var(--navy-deep);
  font-size: clamp(38px, 5.5vw, 64px);
  line-height: 1.14;
  letter-spacing: -.035em;
}

.hero-subtitle {
  margin-bottom: 14px;
  color: var(--blue);
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 600;
}

.hero-intro {
  max-width: 560px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-card {
  min-height: 170px;
  padding: 28px 30px 25px;
  border-right: 1px solid var(--line);
}

.service-card:last-child { border-right: 0; }
.card-index { display: block; margin-bottom: 24px; }
.service-card h2 { margin-bottom: 12px; color: var(--navy); font-size: 21px; }
.service-card p { max-width: 250px; margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

.brand-note {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 42px 0 46px;
}

.brand-note p { margin-bottom: 0; color: var(--navy); font-size: 15px; line-height: 1.8; }
.note-line { width: 38px; height: 2px; flex: 0 0 auto; background: var(--cyan); }

.site-footer {
  margin-top: auto;
  padding: 20px 0 26px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.site-footer a { color: var(--blue); text-decoration: none; }
.site-footer a:hover, .site-footer a:focus-visible { text-decoration: underline; }

.filing-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 10px 18px;
}

.public-security-filing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.public-security-filing img {
  width: 18px;
  height: 19px;
  flex: 0 0 auto;
  object-fit: contain;
}

@media (max-width: 760px) {
  .page-shell { width: min(100% - 32px, 560px); }
  .site-header { min-height: 70px; }
  .header-label { display: none; }
  .hero { min-height: 0; padding: 52px 0 44px; }
  h1 { font-size: clamp(36px, 11vw, 52px); }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; padding: 24px 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .service-card:last-child { border-bottom: 0; }
  .card-index { margin-bottom: 14px; }
  .brand-note { align-items: flex-start; padding: 32px 0 36px; }
  .site-footer { flex-direction: column; }
  .filing-links { justify-content: flex-start; }
}