.page-faq {
  --faq-orange-deep: #B3540F;
  --faq-panel: var(--wb-cream);
  display: block;
  padding-bottom: 24px;
}

/* ---------- 抬头 ---------- */
.page-faq .crumbs {
  margin: 22px 0 6px;
}

.page-faq .faq-hero {
  display: grid;
  gap: 16px;
  padding: 14px 0 26px;
  max-width: 900px;
}

.page-faq .faq-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--wb-cyan);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--wb-cream);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--wb-mist);
}

/* ---------- 顶部视觉 ---------- */
.page-faq .faq-visual {
  margin: 0 0 26px;
  border: 2px solid var(--wb-ink);
  box-shadow: var(--hard);
  background: var(--wb-indigo-deep);
  overflow: hidden;
}

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

/* ---------- 分类胶囊 ---------- */
.page-faq .faq-cats {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 2px 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--wb-line) transparent;
}

.page-faq .faq-cats::-webkit-scrollbar {
  height: 6px;
}

.page-faq .faq-cats::-webkit-scrollbar-thumb {
  background: var(--wb-line);
}

.page-faq .faq-chip {
  --chip: var(--wb-mist);
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border: 2px solid var(--chip);
  color: var(--chip);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-faq .faq-chip--cyan { --chip: var(--wb-cyan); }
.page-faq .faq-chip--orange { --chip: var(--wb-orange); }
.page-faq .faq-chip--violet { --chip: var(--wb-violet); }

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: var(--chip);
  color: var(--wb-indigo-deep);
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-cat {
  --cat: var(--wb-cyan);
  display: grid;
  gap: 16px;
  margin: 0 0 46px;
  scroll-margin-top: 84px;
}

.page-faq .faq-cat--rebate { --cat: var(--wb-orange); }
.page-faq .faq-cat--table { --cat: var(--wb-violet); }
.page-faq .faq-cat--settle { --cat: var(--wb-cyan); }
.page-faq .faq-cat--vendor { --cat: var(--wb-orange); }
.page-faq .faq-cat--glossary { --cat: var(--wb-mist); }

.page-faq .faq-cat__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--wb-ink);
}

.page-faq .faq-cat__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--cat);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--wb-cream);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--faq-panel);
  border: 2px solid var(--wb-brown);
  border-left: 8px solid var(--cat);
  box-shadow: var(--hard-paper);
  color: var(--wb-brown);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--wb-orange);
  outline-offset: -4px;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
}

.page-faq .faq-item > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 0;
  height: 0;
  margin-top: 8px;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--cat);
  transition: transform 180ms var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(180deg);
}

.page-faq .faq-item__a {
  padding: 14px 18px 18px;
  border-top: 2px dashed var(--wb-line);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--wb-brown);
}

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

.page-faq .faq-item__a a {
  color: var(--wb-brown);
  text-decoration: underline;
  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(--faq-orange-deep);
}

.page-faq .faq-key {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.02em;
  color: var(--faq-orange-deep);
  padding: 0 0.08em;
}

/* ---------- 厂商对比图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
  border: 2px solid var(--wb-ink);
  background: var(--wb-indigo-deep);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--wb-mist);
  border-top: 2px solid var(--wb-ink);
}

/* ---------- 术语表 ---------- */
.page-faq .faq-list--wide {
  gap: 0;
}

.page-faq .faq-terms {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  background: var(--faq-panel);
  color: var(--wb-brown);
  border: 2px solid var(--wb-brown);
  box-shadow: var(--hard-paper);
}

.page-faq .faq-terms__cap {
  caption-side: top;
  text-align: left;
  padding: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--wb-mist);
}

.page-faq .faq-terms th,
.page-faq .faq-terms td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  font-size: 15px;
  line-height: 1.65;
  border-bottom: 1px solid var(--wb-line);
}

.page-faq .faq-terms thead th {
  background: var(--wb-ink);
  color: var(--wb-mist);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  border-bottom: 2px solid var(--wb-ink);
}

.page-faq .faq-terms tbody th {
  width: 30%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--wb-brown);
  white-space: nowrap;
}

.page-faq .faq-terms tbody tr:last-child th,
.page-faq .faq-terms tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 结尾联系 ---------- */
.page-faq .faq-cta {
  --cat: var(--wb-cyan);
  display: grid;
  gap: 24px;
  padding: 26px 22px 30px;
  margin: 0 0 40px;
  background: linear-gradient(135deg, var(--wb-ink) 0%, var(--wb-indigo) 55%, var(--wb-indigo-deep) 100%);
  border: 2px solid var(--wb-cyan);
  box-shadow: var(--hard);
}

.page-faq .faq-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.2;
  color: var(--wb-cream);
}

.page-faq .faq-cta__text {
  margin: 0 0 12px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--wb-mist);
}

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

.page-faq .faq-cta__item {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-left: 4px solid var(--wb-orange);
  background: rgba(47, 227, 208, 0.07);
}

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

.page-faq .faq-cta__val {
  font-size: 16px;
  line-height: 1.6;
  color: var(--wb-cream);
  word-break: break-word;
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    padding: 26px 0 34px;
  }

  .page-faq .faq-cats {
    padding-bottom: 26px;
  }

  .page-faq .faq-cat {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 0 34px;
    margin-bottom: 58px;
    align-items: start;
  }

  .page-faq .faq-cat__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 4px 0 0 16px;
    border-bottom: none;
    border-left: 4px solid var(--cat);
    position: sticky;
    top: 28px;
  }

  .page-faq .faq-figure {
    grid-column: 2;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: 34px;
    padding: 34px 32px 38px;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-cat {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 0 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-item > summary::after {
    transition: none;
  }
}