:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --paper: #ffffff;
  --ink: #20242a;
  --muted: #59616d;
  --rule: #d9dee7;
  --accent: #0f6b57;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

body {
  margin: 0;
  line-height: 1.62;
}

a {
  color: var(--accent);
}

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.site-header__inner,
.policy-shell {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  min-height: 68px;
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.nav a:hover {
  color: var(--accent);
}

.policy-shell {
  margin-top: 34px;
  margin-bottom: 56px;
  padding: 42px 48px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 12px 38px rgba(20, 29, 38, 0.06);
}

.home-links {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-links a,
.toc {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

.home-links a:hover,
.toc:hover {
  border-color: var(--accent);
  color: var(--accent);
}

h1 {
  margin: 0 0 4px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 30px 0 10px;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: 0;
}

p,
li {
  font-size: 16px;
}

ul,
ol {
  padding-left: 24px;
}

li + li {
  margin-top: 10px;
}

code {
  padding: 1px 4px;
  border-radius: 4px;
  background: #eef2f5;
}

.text-block,
.text-block-3 {
  margin-bottom: 22px;
  color: var(--muted);
}

.div-block-2,
.div-block-3 {
  height: 1px;
  margin: 24px 0;
  background: var(--rule);
}

.underline {
  text-decoration: underline;
}

.site-footer {
  width: min(980px, calc(100% - 32px));
  margin: -28px auto 44px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 720px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

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

  .policy-shell {
    width: min(100% - 20px, 980px);
    margin-top: 18px;
    padding: 28px 22px;
  }
}