.page-faq {
  --faq-rail: 236px;
  --faq-gap: clamp(22px, 3.5vw, 48px);
  --faq-tag-access: var(--moss);
  --faq-tag-signin: var(--teal);
  --faq-tag-metrics: var(--clay);
  --faq-tag-client: var(--night);
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding-top: clamp(14px, 2.5vw, 26px);
  padding-bottom: clamp(8px, 1.5vw, 14px);
}

/* ---------- 首屏拼贴 ---------- */
.page-faq .faq-hero {
  background-color: var(--teal);
  background-image:
    linear-gradient(to right, rgba(47, 210, 240, .09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(47, 210, 240, .09) 1px, transparent 1px);
  background-size: 68px 68px;
  color: var(--paper);
  border-bottom: 3px solid var(--flare);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-block: clamp(34px, 5.5vw, 76px) clamp(32px, 5vw, 62px);
}

.page-faq .faq-hero__kicker {
  color: var(--flare);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--f-sans);
  font-weight: 300;
  font-size: clamp(30px, 6vw, 62px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(244, 241, 233, .82);
}

.page-faq .faq-hero__lede b {
  color: var(--flare);
  font-weight: 600;
}

.page-faq .faq-hero__board {
  align-self: start;
  padding: 22px 20px 24px;
  background: var(--night);
  border: 2px solid rgba(244, 241, 233, .22);
  box-shadow: 6px 6px 0 rgba(255, 106, 31, .9);
  color: var(--paper);
}

.page-faq .faq-hero__board .label {
  color: var(--spark);
}

.page-faq .faq-hero__board .stat__row {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 28px);
  margin-top: 14px;
}

.page-faq .faq-hero__board .stat__num {
  font-family: var(--f-mono);
  font-size: clamp(28px, 4.6vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--flare);
}

.page-faq .faq-hero__board .stat__unit {
  margin-left: 4px;
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-hero__board .stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(244, 241, 233, .7);
}

.page-faq .faq-hero__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(244, 241, 233, .24);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(244, 241, 233, .66);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-block: clamp(32px, 5vw, 72px) clamp(48px, 7vw, 104px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-faq .faq-stream {
  min-width: 0;
}

/* ---------- 侧栏索引 ---------- */
.page-faq .faq-index {
  border-top: 3px solid var(--teal);
  padding-top: 16px;
}

.page-faq .faq-index .label {
  color: var(--clay);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0 0 4px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  background: var(--warm);
  border: 2px solid var(--teal);
  color: var(--teal);
  font-size: 13px;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: var(--teal);
  color: var(--paper);
  box-shadow: var(--shadow);
}

.page-faq .faq-index__idx {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--flare);
}

.page-faq .faq-index__list a:hover .faq-index__idx,
.page-faq .faq-index__list a:focus-visible .faq-index__idx {
  color: var(--spark);
}

.page-faq .faq-index__meta {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 分组头部 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--topbar-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(42px, 6vw, 82px);
}

.page-faq .faq-group__head {
  border-top: 3px solid var(--teal);
  padding-top: 16px;
}

.page-faq .faq-group__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-faq .faq-group__kicker .label {
  color: var(--clay);
}

.page-faq .faq-tag {
  display: inline-block;
  padding: 4px 9px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--paper);
  background: var(--faq-tag-access);
  border: 1px solid rgba(244, 241, 233, .3);
}

.page-faq .faq-tag--access { background: var(--faq-tag-access); }
.page-faq .faq-tag--signin { background: var(--faq-tag-signin); }
.page-faq .faq-tag--metrics { background: var(--faq-tag-metrics); }
.page-faq .faq-tag--client { background: var(--faq-tag-client); }

.page-faq .faq-group h2 {
  margin: 12px 0 0;
  font-weight: 300;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--teal);
  overflow-wrap: break-word;
}

.page-faq .faq-group__lede {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
  background: var(--teal);
  border: var(--bd);
  box-shadow: var(--shadow);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid rgba(244, 241, 233, .2);
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: rgba(244, 241, 233, .78);
}

/* ---------- 三步清单 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-step {
  padding: 20px 18px;
  background: var(--warm);
  border: var(--bd);
  box-shadow: var(--shadow);
}

.page-faq .faq-step__top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-step__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  background: var(--flare);
  color: var(--night);
  border: 2px solid var(--night);
  font-family: var(--f-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .faq-step__t {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--teal);
}

.page-faq .faq-step__d {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-step__check {
  margin: 14px 0 0;
  padding: 12px 14px;
  background: var(--paper);
  border-left: 3px solid var(--clay);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
}

.page-faq .faq-step__check .label {
  display: block;
  margin-bottom: 4px;
  color: var(--clay);
}

/* ---------- 问题卡片 ---------- */
.page-faq .faq-card {
  margin-top: 16px;
  padding: 20px 18px;
  background: var(--warm);
  border: var(--bd);
  box-shadow: var(--shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--teal);
}

.page-faq .faq-card__q {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--teal);
  overflow-wrap: break-word;
}

.page-faq .faq-card__mark {
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--flare);
}

.page-faq .faq-card__a {
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-card__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-card__a ol,
.page-faq .faq-card__a ul {
  margin: 0 0 10px;
  padding-left: 1.3em;
}

.page-faq .faq-card__a li {
  margin-bottom: 4px;
}

.page-faq .faq-card__a b {
  color: var(--clay);
  font-weight: 600;
}

.page-faq .faq-card__a a {
  color: var(--teal);
  text-decoration: underline;
  text-decoration-color: var(--flare);
  text-underline-offset: 3px;
}

.page-faq .faq-card__a a:hover {
  color: var(--clay);
}

.page-faq .faq-card .fold {
  margin-top: 12px;
}

.page-faq .faq-card .fold summary {
  font-size: 13px;
  color: var(--teal);
  cursor: pointer;
}

.page-faq .faq-card .fold__body {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
}

.page-faq .faq-card .fold__body ol,
.page-faq .faq-card .fold__body ul {
  margin: 0;
  padding-left: 1.3em;
}

/* ---------- 联络面板 ---------- */
.page-faq .faq-support {
  margin-top: 22px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--moss);
  color: var(--paper);
  border: 2px solid var(--night);
  box-shadow: var(--shadow);
}

.page-faq .faq-support__list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-support__item {
  padding-left: 14px;
  border-left: 3px solid var(--flare);
}

.page-faq .faq-support dt {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--spark);
}

.page-faq .faq-support dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-faq .faq-support__item--wide dd {
  font-family: var(--f-sans);
  letter-spacing: .01em;
}

.page-faq .faq-support__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(244, 241, 233, .24);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(244, 241, 233, .8);
}

.page-faq .faq-support .fold {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(244, 241, 233, .2);
}

.page-faq .faq-support .fold summary {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--flare);
  cursor: pointer;
}

.page-faq .faq-support .fold__body {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(244, 241, 233, .86);
}

.page-faq .faq-support .fold__body ul {
  margin: 0;
  padding-left: 1.3em;
}

.page-faq .faq-support .fold__body li {
  margin-bottom: 5px;
}

/* ---------- 相关页面 ---------- */
.page-faq .faq-next {
  margin-top: clamp(42px, 6vw, 84px);
  border-top: 3px solid var(--teal);
  padding-top: 16px;
}

.page-faq .faq-next .label {
  color: var(--clay);
}

.page-faq .faq-next__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-next__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 4px;
  border-bottom: 1px dashed var(--line);
  color: var(--stone);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-next__idx {
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--clay);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-steps {
    gap: 20px;
  }

  .page-faq .faq-support__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
  }

  .page-faq .faq-support__item--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: var(--faq-gap);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list li {
    flex: none;
  }

  .page-faq .faq-index__list li + li a {
    border-top: 1px dashed var(--line);
  }

  .page-faq .faq-index__list a {
    display: flex;
    width: 100%;
    padding: 11px 0 11px 12px;
    background: transparent;
    border: 0;
    border-left: 3px solid transparent;
    white-space: normal;
    line-height: 1.45;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    background: transparent;
    color: var(--teal);
    box-shadow: none;
    border-left-color: var(--flare);
  }

  .page-faq .faq-index__list a:hover .faq-index__idx,
  .page-faq .faq-index__list a:focus-visible .faq-index__idx {
    color: var(--clay);
  }

  .page-faq .faq-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 clamp(20px, 3vw, 44px);
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-card {
    padding: 24px 26px;
  }

  .page-faq .faq-step {
    padding: 24px 24px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-index__list a,
  .page-faq .faq-next__list a {
    transition: none;
  }

  .page-faq .faq-card:hover {
    transform: none;
    box-shadow: var(--shadow);
  }
}
</main>>>