:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --text: #20242a;
  --muted: #5b6470;
  --border: #dfe3e8;
  --accent: #1769aa;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 42px 0 56px;
}
header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 650;
}
p {
  margin: 8px 0 0;
  color: var(--muted);
}
nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
nav a,
.text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
section {
  margin-top: 34px;
}
h2 {
  margin: 0 0 14px;
  font-size: 18px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
}
.card {
  display: flex;
  min-height: 92px;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  padding: 16px;
  color: inherit;
  text-decoration: none;
}
.card:hover {
  border-color: #9ab9d8;
  box-shadow: 0 4px 16px rgba(20, 40, 60, 0.08);
}
.card strong {
  font-size: 16px;
}
.card span {
  color: var(--muted);
  font-size: 13px;
}
.note {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  padding: 14px 16px;
  color: var(--muted);
}
@media (max-width: 720px) {
  main { width: min(100% - 24px, 1120px); padding-top: 28px; }
  header { display: block; }
  nav { margin-top: 14px; }
}