:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --text: #182033;
  --muted: #5d6678;
  --card: #ffffff;
  --line: #dfe5ef;
  --accent: #244b8f;
  --accent-dark: #173263;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero {
  padding: 56px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(135deg, #ffffff 0%, #eef4ff 100%);
  box-shadow: 0 24px 70px rgba(24, 32, 51, 0.08);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1, h2, h3 { line-height: 1.15; }
h1 { margin: 0; font-size: clamp(2.4rem, 6vw, 5rem); letter-spacing: -0.05em; }
h2 { margin-top: 0; font-size: 2rem; letter-spacing: -0.025em; }
h3 { margin-top: 0; font-size: 1.25rem; }

.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.25rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 18px;
  color: var(--accent-dark);
  background: #fff;
  text-decoration: none;
  font-weight: 700;
}

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

section { margin-top: 40px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 12px 40px rgba(24, 32, 51, 0.05);
}

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

.card a, .link-list a {
  color: var(--accent);
  font-weight: 700;
}

.link-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
}

.link-list li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.breadcrumb a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.document {
  padding: 40px;
}

.document h1,
.document h2,
.document h3,
.document h4 {
  margin-top: 1.6em;
}

.document h1:first-child,
.document h2:first-child,
.document h3:first-child {
  margin-top: 0;
}

.document p,
.document li {
  color: #283247;
}

.document code {
  background: #eef2f8;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.08rem 0.28rem;
  font-size: 0.92em;
}

.document pre {
  overflow-x: auto;
  background: #111827;
  color: #e5e7eb;
  border-radius: 14px;
  padding: 18px;
}

.document pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
}

.document table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 0.95rem;
}

.document th,
.document td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  vertical-align: top;
}

.document th {
  background: #eef4ff;
  text-align: left;
}

blockquote {
  margin: 20px 0;
  border-left: 4px solid var(--accent);
  padding: 8px 16px;
  background: #f0f5ff;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero { padding: 32px; }
  .grid, .link-list { grid-template-columns: 1fr; }
  .document { padding: 24px; }
}