:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-muted: #f6f8fb;
  --text: #1f2937;
  --muted: #5f6b7a;
  --border: #d9e1ea;
  --primary: #1f5f99;
  --primary-dark: #17496f;
  --accent: #2f7d66;
  --shadow: 0 10px 28px rgba(31, 41, 55, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 6px;
  background: var(--primary);
  color: #ffffff;
  font-size: 18px;
}

.brand-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

.nav a:hover,
.site-footer a:hover {
  color: var(--primary);
}

.hero {
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(246, 248, 251, 0.92), rgba(255, 255, 255, 0.98)),
    repeating-linear-gradient(90deg, rgba(31, 95, 153, 0.06) 0 1px, transparent 1px 80px);
}

.hero-inner {
  padding: 88px 0 80px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  color: #152238;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.18;
  font-weight: 750;
}

.subtitle {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(18px, 2.4vw, 24px);
}

.section {
  padding: 70px 0;
}

.section-muted {
  background: var(--bg-muted);
}

.content-block {
  max-width: 820px;
}

h2 {
  margin-bottom: 18px;
  color: #182536;
  font-size: 28px;
  line-height: 1.3;
}

.content-block p,
.section-title p,
.module-card p,
.section-note {
  color: var(--muted);
}

.content-block p {
  font-size: 18px;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 26px;
}

.section-title h2,
.section-title p {
  margin-bottom: 0;
}

.section-title p {
  max-width: 520px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.module-card {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.module-card h3 {
  margin-bottom: 12px;
  color: #1b2b3d;
  font-size: 19px;
}

.module-card p {
  margin-bottom: 0;
  font-size: 15px;
}

.entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  min-height: 44px;
  padding: 10px 22px;
  border: 1px solid var(--primary);
  border-radius: 6px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
}

.button:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

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

.button-secondary:hover {
  background: #edf5fb;
  color: var(--primary-dark);
}

.contact-panel {
  max-width: 820px;
}

.contact-panel dl {
  margin: 18px 0 0;
  border-top: 1px solid var(--border);
}

.contact-panel dl div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.contact-panel dt {
  color: #344054;
  font-weight: 700;
}

.contact-panel dd {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #ffffff;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 76px;
}

.footer-inner p {
  margin-bottom: 0;
}

.filings {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

@media (max-width: 900px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
    gap: 12px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    gap: 18px;
    padding-bottom: 2px;
  }

  .section-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .hero-inner {
    padding: 58px 0 54px;
  }

  .section {
    padding: 48px 0;
  }

  .module-grid {
    grid-template-columns: 1fr;
  }

  .module-card {
    min-height: auto;
  }

  .entry-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .contact-panel dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .filings {
    justify-content: flex-start;
  }
}