.page-faq {
  --faq-line: rgba(20, 22, 26, 0.14);
  --faq-line-strong: rgba(20, 22, 26, 0.3);
  --faq-sticky-top: calc(var(--bar-h) + 20px);
  background: var(--sand-050);
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 36px 0 32px;
  border-bottom: 1px solid var(--faq-line);
  background:
    linear-gradient(180deg, rgba(201, 161, 94, 0.1), rgba(201, 161, 94, 0) 70%),
    var(--sand-050);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }
}

.page-faq .faq-hero__lead {
  border-left: 2px solid var(--sand-500);
  padding-left: 16px;
}

@media (min-width: 640px) {
  .page-faq .faq-hero__lead {
    padding-left: 24px;
  }
}

.page-faq .faq-hero__title {
  margin: 10px 0 14px;
  font-family: var(--font-heading);
  font-size: var(--fs-34);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.22;
}

@media (min-width: 700px) {
  .page-faq .faq-hero__title {
    font-size: var(--fs-46);
  }
}

.page-faq .faq-hero__lede {
  max-width: var(--measure);
  color: var(--stone-700);
  line-height: 1.75;
}

.page-faq .faq-hero__panel {
  background: var(--sand-100);
  border: 1px solid var(--faq-line-strong);
  box-shadow: 6px 6px 0 rgba(20, 22, 26, 0.07);
  padding: 16px 18px 8px;
}

.page-faq .faq-hero__panel-cap {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--sand-700);
}

.page-faq .faq-facts {
  margin: 0;
}

.page-faq .faq-facts__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-facts__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-facts__row dt {
  font-size: var(--fs-14);
  color: var(--stone-700);
  font-weight: 400;
}

.page-faq .faq-facts__row dd {
  margin: 0;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--ink-900);
  white-space: nowrap;
}

/* ---------- 正文骨架 ---------- */

.page-faq .faq-body {
  padding: 40px 0 64px;
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    padding: 56px 0 88px;
  }
}

.page-faq .faq-layout {
  display: grid;
  gap: 32px;
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 主题锚点 ---------- */

.page-faq .faq-toc {
  border-top: 2px solid var(--sand-500);
}

@media (min-width: 960px) {
  .page-faq .faq-toc {
    position: sticky;
    top: var(--faq-sticky-top);
  }
}

.page-faq .faq-toc__cap {
  margin: 10px 0 6px;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--stone-400);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
}

@media (min-width: 640px) and (max-width: 959px) {
  .page-faq .faq-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-toc__list {
    grid-template-columns: minmax(0, 1fr);
  }
}

.page-faq .faq-anchor {
  display: grid;
  grid-template-columns: 12px 30px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--faq-line);
  color: var(--stone-700);
  text-decoration: none;
  transition: color 180ms ease-out, transform 180ms ease-out;
}

.page-faq .faq-anchor__tick {
  display: block;
  width: 10px;
  height: 10px;
  border: 1px solid var(--sand-700);
  transition: background-color 180ms ease-out, border-color 180ms ease-out;
}

.page-faq .faq-anchor__no {
  font-size: var(--fs-12);
  color: var(--stone-400);
}

.page-faq .faq-anchor__label {
  font-family: var(--font-heading);
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-faq .faq-anchor:hover {
  color: var(--ink-900);
  transform: translateX(4px);
}

.page-faq .faq-anchor:hover .faq-anchor__tick {
  background: var(--sand-500);
  border-color: var(--sand-500);
}

.page-faq .faq-anchor:focus-visible {
  outline: 2px solid var(--teal-400);
  outline-offset: 2px;
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--sand-500);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}

.page-faq .faq-group__badge {
  flex: none;
  padding: 2px 7px;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--sand-700);
  border: 1px solid var(--sand-700);
  transition: background-color 180ms ease-out, color 180ms ease-out;
}

.page-faq .faq-group:target .faq-group__badge {
  background: var(--sand-500);
  border-color: var(--sand-500);
  color: var(--ink-900);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--fs-26);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.page-faq .faq-group__note {
  margin: 0 0 14px;
  max-width: 44em;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--stone-700);
}

/* ---------- 问答条目 ---------- */

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

.page-faq .faq-item__summary {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 16px;
  gap: 10px;
  align-items: start;
  padding: 16px 4px 16px 0;
  cursor: pointer;
  list-style: none;
  transition: background-color 180ms ease-out;
}

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

@media (min-width: 560px) {
  .page-faq .faq-item__summary {
    grid-template-columns: 56px minmax(0, 1fr) 18px;
    gap: 16px;
    padding: 18px 8px 18px 0;
  }
}

.page-faq .faq-item__summary:hover {
  background: rgba(201, 161, 94, 0.1);
}

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--teal-400);
  outline-offset: 2px;
}

.page-faq .faq-item__no {
  padding-top: 3px;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--sand-700);
}

.page-faq .faq-item__q {
  font-family: var(--font-heading);
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-900);
}

.page-faq .faq-item__sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  justify-self: end;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--sand-700);
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 14px;
  transition: transform 180ms ease-out, opacity 180ms ease-out;
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 4px 20px 50px;
}

@media (min-width: 560px) {
  .page-faq .faq-item__body {
    padding: 0 8px 22px 72px;
  }
}

.page-faq .faq-item__body p {
  max-width: var(--measure);
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone-700);
}

@keyframes faq-open-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-item[open] .faq-item__body {
  animation: faq-open-in 180ms ease-out;
}

/* ---------- 行内链接 ---------- */

.page-faq .faq-inline-link {
  color: var(--verdigris-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 95, 82, 0.4);
  transition: border-color 180ms ease-out, color 180ms ease-out;
}

.page-faq .faq-inline-link:hover {
  border-bottom-color: var(--verdigris-700);
}

.page-faq .faq-inline-link:focus-visible {
  outline: 2px solid var(--teal-400);
  outline-offset: 2px;
}

/* ---------- 图 ---------- */

.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--faq-line-strong);
  background: var(--sand-100);
}

.page-faq .faq-figure .figure__caption {
  margin: 8px 0 0;
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--stone-400);
}

/* ---------- 提交查询 ---------- */

.page-faq .faq-submit {
  padding: 44px 0;
  background: var(--sand-100);
  border-top: 1px solid var(--faq-line-strong);
  border-bottom: 1px solid var(--faq-line-strong);
}

@media (min-width: 960px) {
  .page-faq .faq-submit {
    padding: 60px 0 68px;
  }
}

.page-faq .faq-submit__grid {
  display: grid;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-faq .faq-submit__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }
}

.page-faq .faq-submit__title {
  margin: 8px 0 14px;
  font-family: var(--font-heading);
  font-size: var(--fs-26);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

@media (min-width: 700px) {
  .page-faq .faq-submit__title {
    font-size: var(--fs-34);
  }
}

.page-faq .faq-submit__lede {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--stone-700);
}

.page-faq .faq-checklist {
  list-style: none;
  counter-reset: faq-step;
  margin: 22px 0 0;
  padding: 0;
  max-width: var(--measure);
}

.page-faq .faq-checklist li {
  counter-increment: faq-step;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--faq-line);
  font-size: 15px;
  line-height: 1.72;
  color: var(--stone-700);
}

.page-faq .faq-checklist li::before {
  content: counter(faq-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--sand-700);
  padding-top: 4px;
}

.page-faq .faq-checklist__k {
  margin-right: 6px;
  color: var(--ink-900);
  font-weight: 600;
}

.page-faq .faq-submit .note {
  margin: 20px 0 0;
  max-width: var(--measure);
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--stone-700);
}

.page-faq .faq-figure--submit {
  margin: 0;
}

/* ---------- 降低动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-anchor,
  .page-faq .faq-anchor__tick,
  .page-faq .faq-item__summary,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-inline-link {
    transition: none;
  }

  .page-faq .faq-anchor:hover {
    transform: none;
  }

  .page-faq .faq-item[open] .faq-item__body {
    animation: none;
  }
}