.page-faq {
  --faq-rule-soft: rgba(107, 124, 138, .22);
  --faq-tint: rgba(18, 58, 46, .45);
  --faq-offset: 118px;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding-block: 20px 4px;
}
.page-faq .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}
.page-faq .crumbs__item {
  color: var(--slate);
}
.page-faq .crumbs__item a {
  color: var(--slate);
  text-decoration: none;
  transition: color var(--dur);
}
.page-faq .crumbs__item a:hover,
.page-faq .crumbs__item a:focus-visible {
  color: var(--cyan);
}
.page-faq .crumbs__item[aria-current="page"] {
  color: var(--chalk);
}
.page-faq .crumbs__sep {
  color: var(--line-strong);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding-block: 30px 44px;
}
.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}
.page-faq .faq-hero__lead h1 {
  margin: 10px 0 0;
  font-size: clamp(27px, 7vw, 52px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--chalk);
}
.page-faq .faq-hero__intro {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--chalk);
  opacity: .84;
}
.page-faq .faq-hero__stat {
  border: 1px solid var(--line);
  border-left: 4px solid var(--yellow);
  background: var(--turf-deep);
  padding: 20px 22px;
}
.page-faq .faq-hero__stat .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(56px, 15vw, 96px);
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--chalk);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-hero__stat .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}
.page-faq .faq-hero__stat .src {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--faq-rule-soft);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  background: var(--turf-deep);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-index__inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-block: 16px;
}
.page-faq .faq-index__label {
  flex: 0 0 auto;
}
.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  color: var(--chalk);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur), color var(--dur), background-color var(--dur);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(53, 224, 200, .08);
}
.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--yellow);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-block: 44px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: var(--faq-offset);
}
.page-faq .faq-group__lead {
  margin: 14px 0 26px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}
.page-faq .faq-group__lead a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 200, .4);
  transition: border-color var(--dur), color var(--dur);
}
.page-faq .faq-group__lead a:hover,
.page-faq .faq-group__lead a:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--yellow);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}
.page-faq .qa {
  position: relative;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: var(--faq-offset);
  transition: background-color var(--dur);
}
.page-faq .qa[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--yellow);
}
.page-faq .qa__summary {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 4px 10px;
  align-items: start;
  padding: 17px 42px 17px 13px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur);
}
.page-faq .qa__summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa__summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--slate);
  transition: color var(--dur);
}
.page-faq .qa[open] > .qa__summary::after {
  content: "–";
  color: var(--yellow);
}
.page-faq .qa__summary:hover,
.page-faq .qa__summary:focus-visible {
  background: var(--faq-tint);
}
.page-faq .qa__num {
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .04em;
  color: var(--yellow);
  font-variant-numeric: tabular-nums;
}
.page-faq .qa__q {
  grid-column: 2;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--chalk);
}
.page-faq .qa__cond {
  grid-column: 2;
  display: block;
  margin-top: 7px;
  padding-left: 10px;
  border-left: 1px solid var(--faq-rule-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}
.page-faq .qa__cond-label {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 6px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .08em;
  color: var(--slate);
}
.page-faq .qa__body {
  padding: 2px 42px 22px 49px;
}
.page-faq .qa__body p {
  margin: 0 0 10px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--chalk);
  opacity: .84;
}
.page-faq .qa__body .src {
  margin-bottom: 0;
  opacity: 1;
}

/* ---------- 中段流程信息图 ---------- */
.page-faq .faq-flowband {
  background: var(--turf-deep);
  border-bottom: 1px solid var(--line);
  padding-block: 30px;
}
.page-faq .faq-flowband .media {
  margin: 0;
  border: 1px solid var(--line);
}
.page-faq .faq-flowband .media__caption {
  padding: 11px 15px;
  background: var(--ink);
}

/* ---------- 勘误流程 ---------- */
.page-faq .faq-group--fix {
  background: var(--turf-deep);
}
.page-faq .faq-fix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-step__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--yellow);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-step__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--chalk);
}
.page-faq .faq-step__text {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}
.page-faq .faq-fix__fig {
  margin: 0;
  border: 1px solid var(--line);
}
.page-faq .faq-fix__fig .media__caption {
  padding: 11px 15px;
  background: var(--ink);
}

/* ---------- 联络收束 ---------- */
.page-faq .faq-group--end {
  border-bottom: none;
  padding-bottom: 62px;
}
.page-faq .faq-contact {
  border: 1px solid var(--faq-rule-soft);
  border-left: 5px solid var(--yellow);
  padding: 26px 22px;
  max-width: 900px;
}
.page-faq .faq-contact .kicker {
  color: var(--amber);
}
.page-faq .faq-contact__title {
  margin: 8px 0 12px;
  font-size: clamp(22px, 4.6vw, 32px);
  font-weight: 900;
  line-height: 1.26;
  letter-spacing: -.02em;
  color: var(--turf-deep);
}
.page-faq .faq-contact > p {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--turf-deep);
  opacity: .9;
}
.page-faq .faq-contact__meta {
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
  padding-top: 16px;
  border-top: 1px solid var(--faq-rule-soft);
}
.page-faq .faq-contact__meta > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
}
.page-faq .faq-contact__meta dt {
  min-width: 80px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--amber);
}
.page-faq .faq-contact__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--turf-deep);
  word-break: break-word;
}
.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板以上 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-contact {
    padding: 38px 42px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 42px;
    align-items: end;
  }
  .page-faq .faq-index__inner {
    flex-direction: row;
    align-items: center;
    gap: 22px;
  }
  .page-faq .faq-group {
    padding-block: 54px;
  }
  .page-faq .qa__summary {
    grid-template-columns: 40px minmax(0, 1fr) minmax(0, 290px);
    gap: 4px 22px;
    padding: 20px 46px 20px 20px;
    align-items: start;
  }
  .page-faq .qa__num {
    grid-column: 1;
    line-height: 1.7;
  }
  .page-faq .qa__q {
    grid-column: 2;
  }
  .page-faq .qa__cond {
    grid-column: 3;
    margin-top: 3px;
    padding-left: 14px;
  }
  .page-faq .qa__body {
    padding: 2px 60px 24px 82px;
  }
  .page-faq .faq-fix {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 38px;
    align-items: start;
  }
}