.page-faq {
  --faq-line: rgba(232, 198, 132, .16);
  --faq-dash: rgba(224, 33, 138, .34);
  --faq-panel: linear-gradient(180deg, #17141F, #0B0A0F);
  display: block;
  overflow-x: clip;
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(14px, 2.4vw, 26px);
}

.page-faq .faq-hero__wrap {
  display: grid;
  gap: 22px;
  align-items: end;
}

.page-faq .faq-hero__frame {
  position: relative;
  padding: clamp(26px, 4.2vw, 58px);
  background:
    radial-gradient(120% 150% at 6% 0%, rgba(224, 33, 138, .20), transparent 58%),
    var(--faq-panel);
}

.page-faq .faq-hero__title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 5.4vw, 4.2rem);
  line-height: 1.07;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--gold);
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 38em;
  font-size: 1.02rem;
  line-height: 1.95;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.page-faq .faq-keys {
  padding: 22px 20px;
  border: 1px solid var(--faq-line);
  background: var(--ink-800);
  box-shadow: var(--shadow-brut-strong);
}

.page-faq .faq-keys__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--gold);
}

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

.page-faq .faq-keys__list li {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .86rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-keys kbd {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  padding: 3px 8px;
  border: 1px solid var(--gold-line);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: rgba(11, 10, 15, .86);
  color: var(--gold-soft);
}

/* ---------- 开始之前 ---------- */
.page-faq .faq-prep__grid {
  margin-top: clamp(26px, 4vw, 44px);
  gap: 18px;
}

.page-faq .faq-prep__card {
  padding: 26px 22px 24px;
  background: var(--ink-800);
}

.page-faq .faq-prep__k {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--peacock);
}

.page-faq .faq-prep__h {
  margin: 12px 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-prep__p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps__layout {
  display: grid;
  gap: 34px;
}

.page-faq .faq-track {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  padding: 8px 0 40px 42px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 0;
  bottom: 0;
  border-left: 1px dashed var(--faq-dash);
}

.page-faq .faq-step:last-child::before {
  bottom: auto;
  height: 28px;
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--gold-line);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-step[data-revealed]::after {
  background: var(--neon);
  border-color: var(--neon);
  box-shadow: 0 0 14px rgba(224, 33, 138, .75);
}

.page-faq .faq-step__ghost {
  display: none;
}

.page-faq .faq-step__body {
  position: relative;
}

.page-faq .faq-step__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.18rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .faq-step__p {
  margin: 10px 0 0;
  max-width: 38em;
  font-size: .95rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-step__p a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
}

.page-faq .faq-step__result {
  margin: 14px 0 0;
  padding: 10px 14px;
  border-left: 2px solid var(--neon);
  background: rgba(224, 33, 138, .07);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold-soft);
}

.page-faq .faq-steps__figure {
  margin: 0;
}

/* ---------- 版本回溯 ---------- */
.page-faq .faq-version__grid {
  display: grid;
  gap: 30px;
  margin-top: clamp(26px, 4vw, 46px);
}

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

.page-faq .faq-vitem {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--faq-line);
  background: linear-gradient(120deg, rgba(23, 20, 31, .92), rgba(11, 10, 15, .92));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-vitem:hover {
  transform: translateY(-4px);
  border-left-color: var(--gold);
}

.page-faq .faq-vitem__n {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--peacock);
  padding-top: 4px;
  white-space: nowrap;
}

.page-faq .faq-vitem__t {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-vitem__d {
  margin: 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-vtags {
  margin-top: 14px;
}

.page-faq .faq-version__note {
  padding: 26px 24px;
  border: 1px solid var(--gold-line);
  border-top: 2px solid var(--gold);
  background: rgba(11, 10, 15, .7);
}

.page-faq .faq-version__quote {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--gold-soft);
}

.page-faq .faq-version__p {
  margin: 0 0 22px;
  font-size: .92rem;
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 使用记录 ---------- */
.page-faq .faq-records__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-faq .faq-records__figure {
  margin: 0;
}

.page-faq .faq-timeline {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  position: relative;
}

.page-faq .faq-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  border-left: 1px solid var(--gold-line);
}

.page-faq .faq-timeline li {
  position: relative;
  padding: 0 0 22px 26px;
}

.page-faq .faq-timeline li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px rgba(232, 198, 132, .6);
}

.page-faq .faq-timeline__when {
  display: block;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-timeline__what {
  margin: 6px 0 0;
  max-width: 38em;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 常见疑问 ---------- */
.page-faq .faq-fold {
  margin: clamp(26px, 4vw, 46px) auto 0;
  max-width: 940px;
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  background: var(--ink-800);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(224, 33, 138, .52);
  background: linear-gradient(180deg, rgba(224, 33, 138, .10), rgba(11, 10, 15, .92));
}

.page-faq .faq-item__q {
  position: relative;
  display: block;
  padding: 18px 56px 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::before,
.page-faq .faq-item__q::after {
  content: "";
  position: absolute;
  right: 22px;
  background: var(--gold);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item__q::after {
  top: calc(50% - 1px);
  width: 16px;
  height: 2px;
}

.page-faq .faq-item__q::before {
  top: calc(50% - 8px);
  right: 29px;
  width: 2px;
  height: 16px;
}

.page-faq .faq-item[open] .faq-item__q::before {
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .faq-item[open] .faq-item__q::after {
  background: var(--neon);
}

.page-faq .faq-item__text {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .faq-item__idx {
  margin-right: 10px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--neon);
}

.page-faq .faq-item__a {
  padding: 16px 20px 22px;
  border-top: 1px solid var(--gold-line-soft);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 38em;
  font-size: .94rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-item__a p + p {
  margin-top: 12px;
}

.page-faq .faq-item__a a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
}

.page-faq .faq-item__a .faq-item__kw {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--jade);
}

/* ---------- 咨询 ---------- */
.page-faq .faq-help__box {
  display: grid;
  gap: 28px;
  padding: clamp(26px, 4vw, 50px);
  border: 1px solid var(--gold-line);
  background:
    radial-gradient(120% 170% at 100% 0%, rgba(224, 33, 138, .18), transparent 62%),
    var(--ink-800);
  box-shadow: var(--shadow-brut);
}

.page-faq .faq-help__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .faq-help__p {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: .95rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  padding-left: 20px;
  border-left: 1px solid var(--gold-line);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  margin: 0;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-contact__k {
  min-width: 64px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-contact a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-step__ghost {
    display: block;
    position: absolute;
    right: 4px;
    top: -26px;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(84px, 9vw, 118px);
    line-height: 1;
    color: rgba(232, 198, 132, .07);
    pointer-events: none;
    user-select: none;
  }

  .page-faq .faq-prep__grid {
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__wrap {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .62fr);
    gap: 28px;
  }

  .page-faq .faq-steps__layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 52px;
  }

  .page-faq .faq-steps__figure {
    position: sticky;
    top: 140px;
  }

  .page-faq .faq-version__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-records__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 46px;
  }

  .page-faq .faq-help__box {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-vitem,
  .page-faq .faq-step::after,
  .page-faq .faq-item,
  .page-faq .faq-item__q::before,
  .page-faq .faq-item__q::after {
    transition: none;
  }

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