/** USA SIM 常见问题、帮助中心和服务条款页面样式。 */

.content-hero {
  max-width: 820px;
  margin-bottom: 28px;
}
.content-hero > span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
}
.content-hero h1 {
  margin: 10px 0 12px;
  font-size: clamp(34px, 5vw, 52px);
}
.content-hero p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}
.faq-list,
.content-sections {
  display: grid;
  gap: 14px;
}
.faq-item,
.content-section {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(13, 22, 48, 0.82);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.2);
}
.faq-item {
  overflow: hidden;
}
.faq-item summary {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  color: var(--text);
  font-weight: 850;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary span {
  color: var(--cyan);
  font-size: 23px;
  transition: transform 150ms ease;
}
.faq-item[open] summary span {
  transform: rotate(45deg);
}
.faq-item div {
  padding: 0 18px 18px;
  color: var(--muted);
  line-height: 1.8;
}
.content-sections {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.content-section {
  padding: 22px;
}
.content-section h2 {
  margin: 0 0 13px;
  color: var(--text);
  font-size: 19px;
}
.content-section p,
.content-section li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.content-section p {
  margin: 0;
}
.content-section ul {
  margin: 0;
  padding-left: 20px;
}
.content-section li + li {
  margin-top: 7px;
}
.terms-sections {
  grid-template-columns: 1fr;
}
.terms-sections .content-section {
  padding: 24px 26px;
}
@media (max-width: 760px) {
  .content-sections {
    grid-template-columns: 1fr;
  }
  .content-section,
  .terms-sections .content-section {
    padding: 19px;
  }
}