:root {
  --navy: #072844;
  --blue: #1a73c7;
  --ink: #1c2430;
  --muted: #5c6776;
  --line: #e3ebf3;
  --paper: #f4f7fb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Segoe UI", system-ui, sans-serif;
  line-height: 1.55;
}
a { color: var(--blue); }
img { max-width: 100%; height: auto; }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
  padding: 0 28px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.brand img { height: 36px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.nav-links a { text-decoration: none; color: var(--navy); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 11px 16px;
  background: #2f8fe0;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
}
.btn:hover { background: #1a73c7; color: #fff; }
.wrap { width: min(760px, calc(100% - 48px)); margin: 0 auto; padding: 40px 0 64px; }
.crumbs { margin: 0 0 18px; font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--navy); text-decoration: none; }
h1 {
  margin: 0 0 14px;
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--navy);
}
.answer { margin: 0 0 28px; font-size: 18px; }
h2 { margin: 32px 0 8px; font-size: 24px; color: var(--navy); }
p { margin: 0 0 12px; }
ol, ul { margin: 0 0 12px; padding-left: 1.2rem; }
li { margin: 0 0 8px; }
.related { display: grid; gap: 10px; margin-top: 8px; }
.related a {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
}
.related a:hover { border-color: var(--blue); }
.note {
  margin-top: 28px;
  padding: 16px 18px;
  background: var(--paper);
  border-radius: 10px;
}
footer {
  background: var(--navy);
  color: #d5e8f8;
  padding: 28px;
}
.foot {
  width: min(760px, 100%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.foot a { color: #fff; font-weight: 700; text-decoration: none; }
@media (max-width: 800px) {
  .nav { padding: 0 16px; }
  .nav-links a:not(.btn) { display: none; }
  .wrap { width: calc(100% - 32px); }
  h1 { font-size: 32px; }
  .foot { flex-direction: column; }
}