.page-faq {
  --faq-gap: clamp(20px, 3vw, 34px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  overflow-x: hidden;
}

.page-faq a {
  color: inherit;
}

.page-faq .faq-crumb {
  padding-top: clamp(16px, 2.6vw, 26px);
}

.page-faq .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .breadcrumbs a {
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 框景首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(22px, 3.4vw, 40px);
  padding-bottom: clamp(28px, 4.5vw, 52px);
  align-items: center;
}

.page-faq .faq-hero__stripes {
  display: block;
  width: 108px;
  height: 10px;
  margin-bottom: 16px;
  background: repeating-linear-gradient(90deg, var(--red) 0 8px, var(--ink) 8px 16px);
}

.page-faq .faq-hero .kicker {
  margin: 0 0 14px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(29px, 6.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -.02em;
  max-width: 17ch;
}

.page-faq .faq-hero__lead {
  margin: 0 0 22px;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(11, 11, 11, .82);
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 0 0 24px;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}

.page-faq .faq-hero__meta .num {
  font-family: var(--f-mono);
  font-size: 19px;
  font-weight: 600;
  color: var(--teal);
  margin-right: 6px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__frame {
  position: relative;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line-strong);
}

.page-faq .faq-hero__frame::before,
.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--red);
}

.page-faq .faq-hero__frame::before {
  top: -2px;
  left: -2px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__frame::after {
  right: -2px;
  bottom: -2px;
  border-left: 0;
  border-top: 0;
}

.page-faq .faq-hero__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-faq .faq-idx .label,
.page-faq .faq-group .label,
.page-faq .faq-help .label {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-idx__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-idx__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 12px;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-idx__link:hover,
.page-faq .faq-idx__link:focus-visible {
  border-color: var(--red);
  color: var(--red);
}

.page-faq .faq-idx__num {
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--clay);
}

.page-faq .faq-groups {
  display: block;
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--bar-h) + 22px);
  padding-top: clamp(22px, 3.4vw, 38px);
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 62px);
}

.page-faq .faq-group__head {
  max-width: 68ch;
  margin-bottom: clamp(12px, 2vw, 20px);
}

.page-faq .faq-group__head h2 {
  margin: 10px 0 10px;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 31px);
  line-height: 1.2;
  letter-spacing: -.015em;
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 折叠问答条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item__h {
  margin: 0;
  font-size: inherit;
  font-weight: 400;
}

.page-faq .faq-item .fold__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  padding: 17px 4px 17px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: var(--ink);
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-item .fold__head:hover,
.page-faq .faq-item .fold__head:focus-visible {
  color: var(--red);
  background: rgba(200, 16, 46, .035);
  outline: none;
}

.page-faq .faq-item .fold__idx {
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-faq .faq-item .fold__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(15.5px, 1.9vw, 18px);
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .faq-item .fold__chev {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-left: 8px;
  margin-top: 2px;
  border-right: 1.5px solid var(--stone);
  border-bottom: 1.5px solid var(--stone);
  transform: rotate(45deg);
  transition: transform .25s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-item[data-open="true"] .fold__chev {
  transform: rotate(-135deg);
}

.page-faq .faq-item .fold__panel {
  display: block;
}

.js .page-faq .faq-item .fold__panel {
  display: none;
}

.js .page-faq .faq-item[data-open="true"] .fold__panel {
  display: block;
}

.page-faq .faq-item .fold__body {
  padding: 0 0 24px 40px;
  max-width: 74ch;
}

.page-faq .faq-item .fold__body p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(11, 11, 11, .84);
}

.page-faq .faq-item .fold__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-jump {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, .35);
  padding-bottom: 1px;
  white-space: nowrap;
}

.page-faq .faq-jump::after {
  content: "→";
  margin-left: 4px;
  font-family: var(--f-mono);
  font-size: .92em;
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  border-bottom-color: var(--red);
}

/* ---------- 内嵌图 ---------- */
.page-faq .faq-insert {
  margin: 22px 0 26px;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-insert img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-left: 3px solid var(--moss);
  padding-left: 10px;
  box-sizing: content-box;
}

.page-faq .faq-insert figcaption {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

/* ---------- 客服区块 ---------- */
.page-faq .faq-help {
  position: relative;
  margin-top: clamp(34px, 5vw, 58px);
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 5px;
  background: repeating-linear-gradient(180deg, var(--red) 0 26px, var(--ink) 26px 52px);
}

.page-faq .faq-help,
.page-faq .faq-help__copy,
.page-faq .faq-help__list {
  padding-left: 18px;
}

.page-faq .faq-help__copy {
  padding-top: clamp(28px, 4.4vw, 52px);
  padding-bottom: clamp(10px, 2vw, 16px);
}

.page-faq .faq-help .label {
  color: var(--cyan);
}

.page-faq .faq-help h2 {
  margin: 12px 0 14px;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 33px);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-faq .faq-help__copy p {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 241, 234, .78);
}

.page-faq .faq-help__list {
  margin: 0;
  padding-top: 6px;
  padding-right: 18px;
  padding-bottom: clamp(28px, 4.4vw, 52px);
}

.page-faq .faq-help__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-help__row dt {
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(244, 241, 234, .55);
}

.page-faq .faq-help__row dd {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 15px;
  line-height: 1.65;
  color: var(--cyan);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-insert {
    display: grid;
    grid-template-columns: minmax(200px, 260px) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-faq .faq-insert figcaption {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-help__inner {
    display: grid;
  }

  .page-faq .faq-help {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 60px);
  }

  .page-faq .faq-idx {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-idx__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-faq .faq-idx__link {
    background: none;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 10px;
    font-size: 14.5px;
    color: var(--stone);
  }

  .page-faq .faq-idx__link:hover,
  .page-faq .faq-idx__link:focus-visible {
    border-left-color: var(--red);
    color: var(--ink);
    background: var(--white);
  }
}

@media (max-width: 640px) {
  .page-faq .faq-item .fold__body {
    padding-left: 0;
  }

  .page-faq .faq-hero__meta {
    gap: 6px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-idx__link,
  .page-faq .faq-item .fold__head,
  .page-faq .faq-item .fold__chev {
    transition: none;
  }
}