.page-faq {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: 56px;
}

.page-faq .crumbs {
  padding: 24px 0 0;
}

.page-faq .faq-mast {
  padding: 8px 0 24px;
  max-width: 760px;
}

.page-faq .faq-mast .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--lake);
}

.page-faq .faq-mast h1 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 7.4vw, 44px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--lake-deep);
}

.page-faq .faq-mast .lede {
  margin: 0;
  max-width: 58ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* 顶部横向锚点索引 */
.page-faq .anchor-rail {
  position: sticky;
  top: 0;
  z-index: 6;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0 0 26px;
  padding: 12px 0;
  background: linear-gradient(var(--paper) 72%, rgba(247, 248, 246, 0));
  border-bottom: 1px solid var(--line-soft);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .anchor-rail::-webkit-scrollbar {
  display: none;
}

.page-faq .anchor-rail__link {
  flex: 0 0 auto;
  padding: 6px 13px;
  border-radius: 999px;
  background: var(--lake-tint);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .anchor-rail__link:hover {
  background: var(--lake-soft);
  color: var(--lake-deep);
}

.page-faq .anchor-rail__link.is-active {
  background: var(--lake-deep);
  color: var(--white);
}

/* 分组 */
.page-faq .faq-group {
  padding: 30px 0 4px;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 72px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 22px;
}

.page-faq .faq-group__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-faq .faq-group__head {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lake);
}

.page-faq .faq-group h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.42;
  letter-spacing: 0.01em;
  color: var(--lake-deep);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* 问答条目 */
.page-faq .faq-list {
  min-width: 0;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-item:first-child {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item__q {
  position: relative;
  display: block;
  padding: 15px 36px 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--ink);
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item__q:hover {
  color: var(--lake-deep);
}

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--lake);
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "–";
  color: var(--grass);
}

.page-faq .faq-item__idx {
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--lake);
}

.page-faq .faq-item__a {
  margin: 0 0 16px;
  padding: 13px 16px 14px;
  background: var(--grass-soft);
  border-left: 3px solid var(--grass);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  animation: faq-answer var(--t-mid) var(--ease) both;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-item__a a {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-path {
  margin-top: 10px !important;
  font-family: var(--font-mono);
  font-size: 13.5px !important;
  color: var(--mist) !important;
}

.page-faq .copy-btn {
  display: inline-block;
  margin-left: 8px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--lake-deep);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-faq .copy-btn:hover {
  background: var(--lake-tint);
  border-color: var(--lake);
}

/* 图 */
.page-faq .faq-figure {
  margin: 20px 0 0;
}

.page-faq .media__frame {
  overflow: hidden;
  border-radius: var(--radius-m);
  background: var(--lake-soft);
}

.page-faq .media__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media__caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* 收尾 */
.page-faq .faq-tail {
  padding: 34px 0 0;
}

.page-faq .faq-tail p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-tail a {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@keyframes faq-answer {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 860px) {
  .page-faq {
    padding-bottom: 80px;
  }

  .page-faq .faq-mast {
    padding: 18px 0 38px;
  }

  .page-faq .faq-group {
    padding: 44px 0 8px;
  }

  .page-faq .faq-group__inner {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-group h2 {
    font-size: 23px;
  }

  .page-faq .faq-item__q {
    padding: 17px 40px 17px 0;
  }

  .page-faq .media--band .media__frame img {
    aspect-ratio: 21 / 9;
  }

  .page-faq .faq-tail {
    padding-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .anchor-rail__link,
  .page-faq .faq-item__q,
  .page-faq .copy-btn {
    transition: none;
  }

  .page-faq .faq-item__a {
    animation: none;
  }
}
<<<END>>>