.page-faq {
  background: var(--guo-cream);
  color: var(--guo-ink);
  font-family: var(--font-sans);
}

.page-faq .breadcrumb {
  padding-top: 20px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 24px 0 44px;
  border-bottom: 1px solid var(--guo-line);
}

.page-faq .faq-hero__kicker {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--guo-orange-deep);
  margin: 0 0 16px;
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-size: clamp(32px, 8.6vw, 76px);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--guo-ink);
}

.page-faq .faq-hero__title span {
  font-weight: 900;
  display: block;
}

.page-faq .faq-hero__lead {
  margin: 0 0 28px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--guo-ink);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--guo-ink);
}

.page-faq .faq-hero__stats .mono {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--guo-orange);
  letter-spacing: 0.01em;
}

/* ---------- 先看这三个 ---------- */
.page-faq .quick {
  padding: 48px 0 8px;
}

.page-faq .quick__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .quick__item {
  padding: 22px 20px 20px;
  border-radius: 2px;
}

.page-faq .quick__tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.85;
}

.page-faq .quick__h {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .quick__p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .quick__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
  color: inherit;
  transition: opacity 0.16s ease;
}

.page-faq .quick__link:hover {
  opacity: 0.72;
}

.page-faq .quick__item--orange {
  background: var(--guo-orange);
  color: var(--guo-cream);
}

.page-faq .quick__item--teal {
  background: var(--guo-teal);
  color: var(--guo-cream);
}

.page-faq .quick__item--paper {
  background: var(--guo-cream-deep);
  color: var(--guo-ink);
  border-top: 6px solid var(--guo-yellow);
}

/* ---------- 流程配图 ---------- */
.page-faq .flow-figure {
  margin: 32px 0 0;
  border: 1px solid var(--guo-line);
}

/* ---------- 分类地图 ---------- */
.page-faq .catmap {
  margin-top: 48px;
  padding: 44px 0;
  background: var(--guo-cream-deep);
}

.page-faq .catmap__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .catmap__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .catmap__row {
  --cat: var(--guo-orange);
}

.page-faq .catmap__row--index { --cat: var(--guo-orange); }
.page-faq .catmap__row--version { --cat: var(--guo-teal); }
.page-faq .catmap__row--mobile { --cat: var(--guo-yellow); }
.page-faq .catmap__row--account { --cat: var(--guo-ink-green); }
.page-faq .catmap__row--export { --cat: var(--guo-orange-deep); }

.page-faq .catmap__link {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-areas:
    "count name"
    "count desc";
  align-items: center;
  gap: 2px 12px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--guo-ink);
  background: var(--guo-cream);
  border-left: 6px solid var(--cat);
  transition: background 0.16s ease, transform 0.16s ease;
}

.page-faq .catmap__link:hover {
  background: var(--guo-ink);
  color: var(--guo-cream);
  transform: translateX(3px);
}

.page-faq .catmap__count {
  grid-area: count;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--cat);
}

.page-faq .catmap__link:hover .catmap__count {
  color: var(--guo-yellow);
}

.page-faq .catmap__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 700;
}

.page-faq .catmap__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.5;
  opacity: 0.78;
}

.page-faq .catmap__figure {
  margin: 0;
  align-self: start;
}

/* ---------- 问答工作台 ---------- */
.page-faq .workspace {
  padding: 48px 0 56px;
}

.page-faq .workspace__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 8px;
}

.page-faq .q-index {
  border: 1px solid var(--guo-line);
  background: var(--guo-cream-deep);
  padding: 14px 14px 10px;
}

.page-faq .q-index__hint {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--guo-orange-deep);
  text-transform: uppercase;
}

.page-faq .q-index__group {
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px dashed var(--guo-line);
}

.page-faq .q-index__group:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .q-index__cat {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--guo-ink);
  text-decoration: none;
  margin-bottom: 8px;
}

.page-faq .q-index__cat:hover {
  color: var(--guo-orange-deep);
  text-decoration: underline;
}

.page-faq .q-index__items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 10px;
}

.page-faq .q-index__item {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--guo-ink);
  text-decoration: none;
  padding: 3px 0;
  border-bottom: 1px solid transparent;
}

.page-faq .q-index__item .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--guo-teal);
  flex: 0 0 auto;
}

.page-faq .q-index__item:hover {
  color: var(--guo-orange-deep);
  border-bottom-color: var(--guo-orange);
}

.page-faq .q-group {
  margin-bottom: 32px;
}

.page-faq .q-group:last-child {
  margin-bottom: 0;
}

.page-faq .q-group--index { --cat: var(--guo-orange); }
.page-faq .q-group--version { --cat: var(--guo-teal); }
.page-faq .q-group--mobile { --cat: var(--guo-yellow); }
.page-faq .q-group--account { --cat: var(--guo-ink-green); }
.page-faq .q-group--export { --cat: var(--guo-orange-deep); }

.page-faq .q-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cat);
}

.page-faq .q-group__title::before {
  content: "";
  display: block;
  width: 20px;
  height: 3px;
  background: var(--cat);
}

.page-faq .q-card {
  background: var(--guo-cream);
  border: 1px solid var(--guo-line);
  border-left: 6px solid var(--cat, var(--guo-orange));
  margin-bottom: 8px;
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .q-card__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--guo-ink);
  transition: background 0.16s ease;
}

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

.page-faq .q-card__sum:hover {
  background: var(--guo-cream-deep);
}

.page-faq .q-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--cat, var(--guo-orange));
  flex: 0 0 auto;
}

.page-faq .q-card__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .q-card__arrow {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cat, var(--guo-orange));
  border-bottom: 2px solid var(--cat, var(--guo-orange));
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s ease;
}

.page-faq .q-card[open] .q-card__arrow {
  transform: rotate(-135deg) translateY(-2px);
}

.page-faq .q-card[open] .q-card__sum {
  background: var(--guo-cream-deep);
}

.page-faq .q-card__body {
  padding: 14px 16px 16px 16px;
  border-top: 1px solid var(--guo-line);
}

.page-faq .q-card__body p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--guo-ink);
}

.page-faq .q-card:target {
  border-color: var(--guo-orange);
  box-shadow: inset 0 0 0 1px var(--guo-orange);
}

/* ---------- 人工支持 ---------- */
.page-faq .support {
  background: var(--guo-ink-green);
  color: var(--guo-cream);
  padding: 52px 0;
}

.page-faq .support__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-faq .support__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--guo-teal-soft);
}

.page-faq .support__title {
  margin: 0 0 16px;
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--guo-cream);
}

.page-faq .support__p {
  margin: 0 0 20px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--guo-cream);
  opacity: 0.92;
}

.page-faq .support__tips {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .support__tips li {
  font-size: 14px;
  line-height: 1.6;
  padding-left: 14px;
  border-left: 2px solid var(--guo-teal);
  color: var(--guo-cream);
  opacity: 0.9;
}

.page-faq .support__tips .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--guo-yellow);
}

.page-faq .support__card {
  background: var(--guo-cream);
  color: var(--guo-ink);
  padding: 22px 20px;
  border-top: 6px solid var(--guo-yellow);
  align-self: start;
}

.page-faq .support__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--guo-orange-deep);
}

.page-faq .support__copy {
  display: inline-block;
  width: 100%;
  text-align: left;
  margin: 0 0 18px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--guo-ink);
  background: var(--guo-cream-deep);
  border: 1px dashed var(--guo-line);
  border-radius: 2px;
  cursor: pointer;
  word-break: break-all;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.page-faq .support__copy:hover {
  background: var(--guo-cream);
  border-color: var(--guo-orange);
}

.page-faq .support__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--guo-ink);
  opacity: 0.72;
}

/* ---------- 对接检查顺序 ---------- */
.page-faq .integrate {
  padding: 52px 0;
  background: var(--guo-cream-deep);
}

.page-faq .integrate__steps {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .integrate__step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--guo-line);
}

.page-faq .integrate__step:last-child {
  border-bottom: 1px solid var(--guo-line);
}

.page-faq .integrate__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--guo-orange);
  line-height: 1.1;
}

.page-faq .integrate__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--guo-ink);
}

.page-faq .integrate__body p {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--guo-ink);
  opacity: 0.86;
}

/* ---------- 相关入口 ---------- */
.page-faq .more-links {
  padding: 40px 0 56px;
}

.page-faq .more-links__inner {
  display: grid;
  gap: 10px;
}

.page-faq .more-links__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--guo-orange-deep);
}

.page-faq .more-links__item {
  display: block;
  padding: 14px 16px;
  font-size: 15px;
  color: var(--guo-ink);
  text-decoration: none;
  background: var(--guo-cream-deep);
  border-left: 4px solid var(--guo-teal);
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.page-faq .more-links__item:hover {
  background: var(--guo-ink);
  color: var(--guo-cream);
  border-left-color: var(--guo-orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .quick__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-hero {
    padding: 32px 0 52px;
  }

  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .q-card__sum {
    font-size: 16px;
    padding: 16px 20px;
  }

  .page-faq .q-card__body {
    padding: 16px 20px 20px 20px;
  }

  .page-faq .support__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-faq .more-links__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .more-links__kicker {
    grid-column: 1 / -1;
  }
}

@media (min-width: 980px) {
  .page-faq .catmap__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    gap: 40px;
    align-items: start;
  }

  .page-faq .workspace__body {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .q-index {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }

  .page-faq .q-index__items {
    grid-template-columns: 1fr;
  }

  .page-faq .integrate__step {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 0;
  }

  .page-faq .integrate__num {
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .catmap__link,
  .page-faq .q-card__arrow,
  .page-faq .q-card__sum,
  .page-faq .more-links__item,
  .page-faq .support__copy {
    transition: none;
  }

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