.page-faq {
  --faq-rail: rgba(30, 127, 208, 0.35);
  color: var(--graphite);
  overflow-x: clip;
}

.page-faq h1,
.page-faq h2 {
  color: var(--ink);
}

.page-faq .breadcrumbs {
  padding-top: 1.5rem;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 1.5rem 0 2.5rem;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  align-items: center;
}

.page-faq .faq-hero__lead h1 {
  margin: 0.55rem 0 1.1rem;
  font-size: clamp(2.25rem, 7vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__sum {
  max-width: 34em;
  margin: 0 0 1.6rem;
  font-size: 1.06rem;
  line-height: 1.85;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 2px solid var(--ink);
  box-shadow: var(--hard);
  background: linear-gradient(135deg, rgba(30, 127, 208, 0.28), rgba(255, 122, 47, 0.3));
  transform: rotate(-1.2deg);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  mix-blend-mode: multiply;
}

/* ---------- 分类跳转条 ---------- */

.page-faq .faq-jump {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  margin-top: 0.5rem;
  background: rgba(244, 247, 251, 0.94);
  border-top: 1px solid rgba(11, 27, 58, 0.12);
  border-bottom: 1px solid rgba(11, 27, 58, 0.12);
  backdrop-filter: blur(6px);
}

.page-faq .faq-jump__row {
  display: flex;
  gap: 0.6rem;
  padding: 0.85rem 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-jump__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.85rem;
  border: 2px solid var(--ink);
  background: #fff;
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.page-faq .faq-jump__item:hover,
.page-faq .faq-jump__item:focus-visible {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--ink);
  background: var(--mist);
}

.page-faq .faq-jump__idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--gray);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-block {
  padding: 3rem 0;
  border-top: 1px dashed rgba(110, 130, 160, 0.45);
}

.page-faq .faq-jump + .faq-block {
  border-top: 0;
}

.page-faq .faq-block__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
}

.page-faq .faq-block__idx {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-faq .faq-block__aside h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.4rem, 4.6vw, 2rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-faq .faq-block__note {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-faq .faq-figure {
  margin: 1.35rem 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 2px solid var(--ink);
  box-shadow: 5px 5px 0 rgba(11, 27, 58, 0.85);
}

/* ---------- 折叠列表 ---------- */

.page-faq .faq-block__list {
  --pad: 1.25rem;
  position: relative;
  display: grid;
  gap: 0.9rem;
  padding-left: var(--pad);
  border-left: 2px solid var(--faq-rail);
}

.page-faq .faq-item {
  position: relative;
  background: #fff;
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.page-faq .faq-item:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  top: 1.2rem;
  left: calc(-1 * var(--pad) - 6px);
  width: 10px;
  height: 10px;
  box-sizing: border-box;
  border: 2px solid rgba(30, 127, 208, 0.55);
  border-radius: 50%;
  background: var(--snow);
  pointer-events: none;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-item[open]::before {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, 0.2);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1rem 1.1rem;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--blue);
  transition: transform 0.22s ease, color 0.22s ease;
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
  color: var(--orange);
}

.page-faq .faq-item__a {
  margin: 0 1.1rem;
  padding: 1rem 0 1.25rem;
  border-top: 1px dashed rgba(110, 130, 160, 0.5);
  font-size: 0.97rem;
  line-height: 1.85;
}

.page-faq .faq-item__a p {
  margin: 0 0 0.75em;
}

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

.page-faq .faq-item__a a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--blue);
}

.page-faq .faq-step {
  display: inline-block;
  padding: 0.12em 0.45em;
  background: var(--orange-lt);
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 收尾区块 ---------- */

.page-faq .faq-block__list--plain {
  display: block;
  padding-left: 0;
  border-left: 0;
}

.page-faq .faq-prep__lead {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-prep {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  counter-reset: prep;
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-prep li {
  position: relative;
  padding-left: 2.3rem;
  font-size: 0.98rem;
  line-height: 1.8;
  counter-increment: prep;
}

.page-faq .faq-prep li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.32rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-faq .faq-route {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.75rem;
}

.page-faq .faq-route__node {
  flex: 0 0 auto;
  padding: 0.4rem 0.75rem;
  border: 2px solid var(--ink);
  background: #fff;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-faq .faq-route__node--end {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
  font-weight: 700;
}

.page-faq .faq-route__seg {
  position: relative;
  flex: 1 1 32px;
  min-width: 24px;
  height: 2px;
  background: var(--blue);
}

.page-faq .faq-route__seg::after {
  content: "";
  position: absolute;
  top: -4px;
  right: -1px;
  border-left: 7px solid var(--blue);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

.page-faq .faq-block--roomy {
  padding-top: 4.25rem;
  padding-bottom: 4.25rem;
}

.page-faq .faq-block--last {
  padding-bottom: 5.5rem;
}

/* ---------- 响应式 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 2.5rem 0 3.5rem;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3.5rem;
  }

  .page-faq .faq-block {
    padding: 4rem 0;
  }

  .page-faq .faq-block__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-faq .faq-block__list {
    --pad: 2rem;
  }

  .page-faq .faq-item__q {
    font-size: 1.05rem;
    padding: 1.1rem 1.3rem;
  }

  .page-faq .faq-item__a {
    margin: 0 1.3rem;
  }
}

@media (max-width: 720px) {
  .page-faq .faq-item {
    box-shadow: 2px 2px 0 var(--ink);
  }

  .page-faq .faq-item:hover {
    transform: none;
    box-shadow: 2px 2px 0 var(--ink);
  }

  .page-faq .faq-hero__figure {
    transform: none;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-route {
    gap: 0.35rem;
  }

  .page-faq .faq-route__node {
    font-size: 0.68rem;
    padding: 0.35rem 0.55rem;
  }

  .page-faq .faq-route__seg {
    flex: 1 1 14px;
    min-width: 14px;
  }
}