.page-faq {
  --faq-sticky: 76px;
  --faq-signal-soft: rgba(10, 92, 255, .08);
  --faq-signal-line: rgba(10, 92, 255, .28);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 28px 0 0;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 20px;
}

.page-faq .faq-hero h1 {
  font-family: var(--f-head);
  font-weight: 800;
  font-size: clamp(1.95rem, 7vw, 3.05rem);
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--c-ink);
  margin: 10px 0 0;
  max-width: 16ch;
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 46ch;
}

.page-faq .faq-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.page-faq .faq-facts li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-faq .faq-facts .num-xl {
  font-family: var(--f-mono);
  font-size: 2rem;
  line-height: 1;
  color: var(--c-ink);
  letter-spacing: .04em;
}

.page-faq .faq-facts span {
  font-size: .875rem;
  color: var(--c-gray);
}

/* ---------- 首屏主视觉 ---------- */
.page-faq .faq-hero-media {
  margin-top: 30px;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--cut);
}

/* ---------- 粘性索引条 ---------- */
.page-faq .faq-index {
  position: sticky;
  top: var(--faq-sticky);
  z-index: 6;
  margin-top: 26px;
  padding: 8px;
  background: rgba(245, 247, 251, .94);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--c-white);
  color: var(--c-graphite);
  font-family: var(--f-body);
  font-size: .875rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--t-fast), transform var(--t-fast), color var(--t-fast);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--c-signal);
  color: var(--c-ink);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--f-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--c-signal);
}

/* ---------- 分组容器 ---------- */
.page-faq .faq-groups {
  margin-top: 26px;
}

.page-faq .faq-groups .accordion {
  display: block;
}

.page-faq .faq-groups .accordion__item {
  position: relative;
  margin-bottom: 16px;
  background: var(--c-white);
  border: 1px solid var(--line);
  border-radius: var(--cut);
  scroll-margin-top: 168px;
  transition: border-color var(--t-base), transform var(--t-base);
}

.page-faq .faq-groups .accordion__item:last-child {
  margin-bottom: 0;
}

.page-faq .faq-groups .accordion__item:hover {
  border-color: var(--faq-signal-line);
  transform: translateY(-2px);
}

.page-faq .faq-groups .accordion__item:target {
  border-color: var(--c-signal);
}

.page-faq .faq-groups .accordion__item:has(.accordion__trigger[aria-expanded="true"]) {
  border-color: var(--line-strong);
  transform: none;
}

/* ---------- 折叠触发条 ---------- */
.page-faq .accordion__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 68px;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  border-radius: var(--cut);
  text-align: left;
  font: inherit;
  color: var(--c-ink);
  cursor: pointer;
  transition: background-color var(--t-fast);
}

.page-faq .accordion__trigger:hover {
  background: var(--faq-signal-soft);
}

.page-faq .accordion__trigger:focus-visible {
  outline: 2px solid var(--c-signal);
  outline-offset: -2px;
}

.page-faq .accordion__index {
  display: inline-block;
  padding: 4px 8px;
  font-family: var(--f-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--c-signal);
  background: var(--faq-signal-soft);
  border: 1px solid var(--faq-signal-line);
  border-radius: var(--r-sm);
  transition: background-color var(--t-base), color var(--t-base);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__index {
  background: var(--c-signal);
  border-color: var(--c-signal);
  color: var(--c-white);
}

.page-faq .faq-group__title {
  min-width: 0;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: .02em;
  color: var(--c-ink);
}

.page-faq .faq-group__meta {
  display: none;
  font-family: var(--f-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--c-gray);
}

.page-faq .accordion__chev {
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--c-gray);
  border-bottom: 2px solid var(--c-gray);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--t-base), border-color var(--t-base);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__chev {
  border-color: var(--c-signal);
  transform: rotate(-135deg) translate(-2px, -2px);
}

/* ---------- 展开面板 ---------- */
.page-faq .accordion__panel {
  padding: 2px 18px 22px;
}

.page-faq .accordion__panel[hidden] {
  display: none;
}

/* ---------- 问题条目 ---------- */
.page-faq .faq-q {
  padding: 20px 0 4px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-q:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-faq .faq-q__title {
  font-family: var(--f-head);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--c-ink);
  margin: 0 0 12px;
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 36px;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--c-body);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 3px;
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  font-family: var(--f-mono);
  font-size: .75rem;
  line-height: 1;
  color: var(--c-signal);
  background: var(--c-white);
  border: 1px solid var(--faq-signal-line);
  border-radius: var(--r-sm);
}

.page-faq .faq-steps strong {
  color: var(--c-graphite);
  font-weight: 700;
  box-shadow: inset 0 -0.55em 0 rgba(242, 169, 59, .28);
}

.page-faq .faq-steps a {
  color: var(--c-signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-steps a:hover {
  color: var(--c-ink);
}

/* ---------- 分组内配图 ---------- */
.page-faq .faq-shot {
  margin: 8px 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--cut);
  overflow: hidden;
  background: var(--c-mist);
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-shot__cap {
  margin: 0;
  padding: 11px 14px;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--c-gray);
  border-top: 1px solid var(--line);
  background: var(--c-white);
}

/* ---------- 转人工 ---------- */
.page-faq .faq-handoff {
  margin: 34px 0 0;
  padding: 26px 20px 28px;
  border-radius: var(--cut);
}

.page-faq .faq-handoff .section-title {
  margin: 8px 0 0;
  max-width: 22ch;
}

.page-faq .faq-handoff__lead {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-body);
  max-width: 42ch;
}

.page-faq .faq-handoff__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-handoff__list li {
  position: relative;
  padding: 14px 16px 14px 34px;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--c-body);
  background: var(--c-mist);
  border-left: 3px solid var(--c-amber);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-faq .faq-handoff__list li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-amber);
}

.page-faq .faq-handoff__list strong {
  display: block;
  color: var(--c-graphite);
  font-weight: 700;
  margin-bottom: 2px;
}

.page-faq .faq-handoff__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-handoff__foot {
  margin: 18px 0 0;
  font-size: .8125rem;
  line-height: 1.65;
  color: var(--c-gray);
}

/* ---------- 平板及桌面 ---------- */
@media (min-width: 720px) {
  .page-faq {
    --faq-sticky: 82px;
  }

  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-hero-media {
    margin-top: 38px;
  }

  .page-faq .faq-index {
    margin-top: 34px;
  }

  .page-faq .faq-index__list {
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-faq .faq-groups {
    margin-top: 34px;
  }

  .page-faq .accordion__trigger {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    gap: 16px;
    padding: 18px 24px;
  }

  .page-faq .faq-group__meta {
    display: inline-block;
  }

  .page-faq .accordion__panel {
    padding: 4px 24px 26px;
  }

  .page-faq .faq-q {
    padding: 22px 0 6px;
  }

  .page-faq .faq-shot {
    margin: 10px 0 24px;
  }

  .page-faq .faq-handoff {
    padding: 34px 32px 36px;
  }

  .page-faq .faq-handoff__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-handoff__list li {
    padding: 18px 18px 18px 34px;
    min-height: 100%;
  }

  .page-faq .faq-handoff__list li::before {
    top: 26px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-hero h1 {
    max-width: 20ch;
  }

  /* 堆叠面板错位缩进 */
  .page-faq .faq-groups .accordion__item:nth-child(3n + 2) {
    margin-left: 16px;
  }

  .page-faq .faq-groups .accordion__item:nth-child(3n + 3) {
    margin-left: 32px;
  }

  .page-faq .accordion__panel {
    padding-left: 28px;
    padding-right: 28px;
  }

  .page-faq .faq-q__title {
    font-size: 1.0625rem;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-groups .accordion__item:nth-child(3n + 2) {
    margin-left: 24px;
  }

  .page-faq .faq-groups .accordion__item:nth-child(3n + 3) {
    margin-left: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-groups .accordion__item,
  .page-faq .faq-index__link,
  .page-faq .accordion__chev,
  .page-faq .accordion__index,
  .page-faq .accordion__trigger {
    transition: none !important;
  }

  .page-faq .faq-groups .accordion__item:hover,
  .page-faq .faq-index__link:hover {
    transform: none;
  }
}