.page-hero {
  padding: 72px 0;
  background: var(--ink);
  color: #fff;
}
.page-hero > div {
  max-width: 900px;
}
.page-hero h1 {
  margin-bottom: 1rem;
}
.page-hero h1 em {
  font-style: normal;
  color: var(--cyan);
}
.page-hero > div > p:last-child {
  max-width: 680px;
  color: #c9d1e4;
}
.content-page {
  max-width: 850px;
  padding: 76px 0 110px;
}
.content-page section {
  margin-bottom: 68px;
}
.content-page h2 {
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  line-height: 1.4;
  letter-spacing: -0.06em;
}
.content-page h3 {
  letter-spacing: -0.04em;
}
.content-page p {
  color: #40506a;
}
.content-page a {
  color: var(--blue);
}
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 0 0 1.2rem;
}
.faq-list summary {
  padding: 1.2rem 2rem 0 0;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  position: relative;
}
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0.3rem;
  color: var(--blue);
  font: 1.5rem var(--mono);
}
.faq-list details[open] summary::after {
  content: "−";
}
.faq-list details p {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
}
.editor-note {
  padding: 19px 22px;
  background: #fff5dc;
  border-left: 4px solid #e9a616;
  margin-top: 2.2rem;
}
.editor-note p {
  font-size: 0.84rem;
  margin: 0.3rem 0 0;
}
.permission-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 15px;
  align-items: center;
  background: #f0f2f7;
  padding: 22px;
}
.permission-flow > div {
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
}
.permission-flow .safe {
  background: #edf1ff;
  border-color: var(--blue);
}
.permission-flow span,
.permission-flow strong,
.permission-flow small {
  display: block;
}
.permission-flow span {
  font: 0.67rem var(--mono);
  color: var(--blue);
  letter-spacing: 0.07em;
}
.permission-flow strong {
  margin: 0.2rem 0;
}
.permission-flow small {
  font-size: 0.73rem;
  color: var(--muted);
}
.permission-flow i {
  font-style: normal;
  color: var(--blue);
  font-size: 1.4rem;
}
.comparison,
.definition-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.comparison > div,
.definition-grid > div {
  border: 1px solid var(--line);
  background: #fff;
  padding: 22px;
}
.comparison > div:first-child {
  border-top: 3px solid var(--blue);
}
.comparison > div:last-child {
  border-top: 3px solid #e9a616;
}
.comparison h3,
.definition-grid h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}
.comparison ul {
  padding-left: 1.2rem;
  margin: 0;
}
.comparison li {
  font-size: 0.86rem;
  padding: 0.2rem 0;
}
.small-note {
  font-size: 0.79rem;
}
.definition-grid {
  grid-template-columns: repeat(3, 1fr);
}
.definition-grid p {
  font-size: 0.83rem;
  margin: 0;
}
.numbered {
  padding-left: 1.5rem;
}
.numbered li {
  padding: 0.35rem 0;
  font-size: 0.9rem;
}
.sources {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.sources h2 {
  font-size: 1.25rem;
}
@media (max-width: 760px) {
  .page-hero {
    padding: 54px 0;
  }
  .content-page {
    padding: 56px 0;
  }
  .permission-flow,
  .comparison,
  .definition-grid {
    grid-template-columns: 1fr;
  }
  .permission-flow i {
    text-align: center;
    transform: rotate(90deg);
  }
}