/* 常见问题独立页面和课程专项课说明。 */
.faq-page-intro { padding-bottom: 46px; }
.faq-page-section { padding-top: 20px; min-height: 430px; align-items: start; }
.faq-page-section .faq-list { border-top: 0; }
.faq-page-section .faq-list details { margin-bottom: 14px; padding: 0 24px; border: 1px solid var(--line); border-radius: 12px; background: #fcfbf7; }
.faq-page-section .faq-list details[open] { background: #eff2e8; border-color: #b9c4ac; }
.faq-page-section .faq-list summary { font-size: 18px; line-height: 1.65; }
.faq-page-section .faq-list summary span { flex-shrink: 0; }
.faq-page-section .faq-list p { white-space: pre-wrap; overflow-wrap: anywhere; padding-right: 0; font-size: 17px; }
.faq-page-section h2 { font-family: var(--sans); font-size: 30px; }
.faq-list-status { padding: 24px; border: 1px solid var(--line); border-radius: 12px; }
.faq-list-status p { margin-top: 12px; }
.faq-list-status button { margin-top: 20px; }
.plan-lesson-details { margin: 18px 0 0; padding: 15px 16px; background: #eff2e8; border-radius: 8px; font-size: 14px; line-height: 1.8; }
.plan-lesson-details dt { font-weight: 600; color: var(--ink); }
.plan-lesson-details dd { margin: 3px 0 0; color: var(--muted); }
.plan-lesson-details small { display: block; font-size: 13px; margin-top: 5px; }
@media (min-width: 981px) and (max-width: 1150px) {
  .nav-shell { width: calc(100% - 40px); gap: 18px; }
  .nav-shell nav { gap: 16px; }
  .nav-shell .brand b { font-size: 19px; }
}
@media (max-width: 700px) {
  .faq-page-intro { padding-bottom: 20px; }
  .faq-page-section { padding-top: 10px; min-height: 0; }
  .faq-page-section .faq-list details { padding-inline: 18px; }
  .faq-page-section .faq-list summary { font-size: 17px; }
  .faq-page-section .faq-list p { font-size: 16px; }
}