:root {
  --text: #1f2933;
  --muted: #52606d;
  --heading: #0b3a5b;
  --link: #0b4f7d;
  --maxw: 860px;
}
body {
  margin: 0;
  color: var(--text);
  background: #ffffff;
  line-height: 1.65;
  font-family: "Arial", "Helvetica Neue", "Helvetica", sans-serif;
}
header {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 14px;
  border-bottom: 1px solid #e6e8eb;
}
header h1 {
  margin: 0 0 10px;
  font-size: 2rem;
  line-height: 1.2;
  color: var(--heading);
  font-weight: 700;
}
header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 24px 56px;
}
.section h2 {
  color: var(--heading);
  font-size: 1.28rem;
  margin: 30px 0 10px;
  line-height: 1.3;
}
.intro p {
  margin: 0 0 12px;
}
.section ul {
  margin: 10px 0 0;
  padding-left: 22px;
}
.section li {
  margin: 8px 0;
}
.footer {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid #e6e8eb;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
}
.lang-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-top: 14px;
  font-size: 0.95rem;
}
.lang-switch a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
.notice {
  font-size: 0.94rem;
  color: var(--muted);
}