.page-faq {
  --faq-hair-light: rgba(244, 247, 243, .16);
  --faq-hair-dark: rgba(14, 43, 36, .16);
  --faq-panel-shadow: 0 1px 0 rgba(8, 28, 23, .06), 0 22px 48px -32px rgba(8, 28, 23, .72);
  background: var(--light);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  overflow-x: hidden;
}

.page-faq .wrap {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 18px;
}

.page-faq .eyebrow {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--field-ink);
  margin: 0 0 10px;
}

.page-faq .lede {
  font-size: 16px;
  line-height: 1.7;
  margin: 14px 0 0;
  max-width: 62ch;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--ink);
  color: var(--light);
  padding: 26px 0 40px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 88% -20%, rgba(255, 107, 26, .24), transparent 62%),
    radial-gradient(90% 70% at 0% 110%, rgba(38, 49, 79, .55), transparent 60%),
    repeating-linear-gradient(118deg, rgba(76, 107, 82, .26) 0 2px, transparent 2px 10px);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: .06em;
  margin-bottom: 26px;
}

.page-faq .breadcrumb--on-ink,
.page-faq .breadcrumb--on-ink a {
  color: var(--field);
  text-decoration: none;
}

.page-faq .breadcrumb--on-ink a:hover {
  color: var(--amber);
}

.page-faq .breadcrumb__sep {
  opacity: .6;
}

.page-faq .faq-hero__eyebrow {
  color: var(--amber);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -.005em;
  line-height: 1.02;
  font-size: clamp(32px, 9vw, 76px);
  margin: 0;
  max-width: 16ch;
}

.page-faq .faq-hero__lede {
  color: rgba(244, 247, 243, .82);
}

.page-faq .faq-hero__chips {
  display: flex;
  gap: 8px;
  margin-top: 26px;
  padding-bottom: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-hero__chips::-webkit-scrollbar {
  display: none;
}

.page-faq .round-chip {
  flex: 0 0 auto;
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 14px;
  border: 1px solid var(--faq-hair-light);
  border-radius: var(--radius-sm);
  background: rgba(8, 28, 23, .45);
}

.page-faq .round-chip__key {
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--field);
}

.page-faq .round-chip__val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--light);
}

.page-faq .round-chip--now {
  border-color: var(--signal);
}

.page-faq .round-chip--now .round-chip__val {
  color: var(--signal);
}

/* ---------- 通用章节 ---------- */
.page-faq .section {
  padding: 46px 0;
}

.page-faq .h-serif {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(23px, 5.6vw, 36px);
  line-height: 1.24;
  margin: 0;
}

.page-faq .prose p {
  margin: 0 0 12px;
  font-size: 16px;
}

.page-faq .prose a {
  color: var(--wine);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .grid {
  display: grid;
  gap: 26px;
}

/* ---------- 排查路径 ---------- */
.page-faq .faq-path {
  background: var(--light);
}

.page-faq .faq-path__lead {
  margin: 12px 0 26px;
  color: var(--field-ink);
  font-size: 15px;
  max-width: 46ch;
}

.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .steps__item {
  position: relative;
  padding: 0 0 24px 58px;
}

.page-faq .steps__item::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: 4px;
  width: 1px;
  background: var(--faq-hair-dark);
}

.page-faq .steps__item:last-child {
  padding-bottom: 0;
}

.page-faq .steps__item:last-child::before {
  display: none;
}

.page-faq .steps__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: var(--signal);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .steps__title {
  font-family: var(--font-serify, var(--font-serif));
  font-size: 17px;
  font-weight: 600;
  margin: 6px 0 6px;
}

.page-faq .steps__body p {
  margin: 0;
  font-size: 15px;
  color: var(--field-ink);
}

.page-faq .media-frame {
  position: relative;
  display: block;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--faq-hair-dark);
  background: linear-gradient(150deg, var(--grass), var(--ink-deep));
  box-shadow: var(--faq-panel-shadow);
}

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

.page-faq .media-frame__label {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  background: var(--note);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-qa {
  background:
    linear-gradient(180deg, rgba(76, 107, 82, .10), transparent 200px),
    var(--light);
}

.page-faq .faq-qa__head {
  max-width: 56ch;
}

.page-faq .faq-qa__intro {
  margin: 12px 0 22px;
  color: var(--field-ink);
  font-size: 15px;
}

.page-faq .faq-qa__filter {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 0 10px;
  scrollbar-width: none;
}

.page-faq .faq-qa__filter::-webkit-scrollbar {
  display: none;
}

.page-faq .tag {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--faq-hair-dark);
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-faq .tag:hover {
  border-color: var(--amber);
}

.page-faq .tag.is-active {
  background: var(--ink);
  color: var(--signal);
  border-color: var(--ink);
}

.page-faq .tag:focus-visible,
.page-faq .fold__head:focus-visible,
.page-faq .copy-btn:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-faq .faq-qa__groups {
  margin-top: 22px;
}

.page-faq .faq-group {
  margin-bottom: 30px;
}

.page-faq .faq-group[hidden],
.page-faq .is-hidden {
  display: none;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--field-ink);
  margin: 0 0 6px;
}

.page-faq .faq-group__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: var(--indigo);
  color: var(--light);
  font-size: 11px;
  letter-spacing: 0;
}

.page-faq .fold {
  border-top: 1px solid var(--faq-hair-dark);
}

.page-faq .fold:last-child {
  border-bottom: 1px solid var(--faq-hair-dark);
}

.page-faq .fold__head {
  width: 100%;
  display: grid;
  grid-template-columns: 34px 1fr 20px;
  align-items: center;
  gap: 10px;
  padding: 15px 2px;
  background: none;
  border: 0;
  text-align: left;
  font-family: inherit;
  color: inherit;
  cursor: pointer;
  transition: background-color .18s ease;
}

.page-faq .fold__head:hover {
  background: rgba(76, 107, 82, .09);
}

.page-faq .fold__num {
  font-size: 12px;
  color: var(--field-ink);
}

.page-faq .fold__title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}

.page-faq .fold__sign {
  position: relative;
  width: 16px;
  height: 16px;
  justify-self: end;
}

.page-faq .fold__sign::before,
.page-faq .fold__sign::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}

.page-faq .fold__sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .fold__sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .fold.is-open .fold__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .fold__body {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height .25s ease, opacity .25s ease;
}

.page-faq .fold.is-open .fold__body {
  max-height: 1200px;
  opacity: 1;
}

.page-faq .fold__inner {
  padding: 4px 2px 20px 44px;
  border-left: 1px solid transparent;
}

.page-faq .mini-steps {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  counter-reset: mini;
}

.page-faq .mini-steps li {
  position: relative;
  counter-increment: mini;
  padding-left: 26px;
  margin-bottom: 8px;
  font-size: 15px;
  color: var(--ink);
}

.page-faq .mini-steps li::before {
  content: counter(mini);
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--note);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-faq .mini-steps a {
  color: var(--wine);
}

/* ---------- 编号示例 ---------- */
.page-faq .faq-id {
  background: var(--ink);
  color: var(--light);
}

.page-faq .faq-id .eyebrow {
  color: var(--amber);
}

.page-faq .faq-id__lead {
  font-size: 15px;
  color: rgba(244, 247, 243, .78);
  margin: 12px 0 20px;
  max-width: 48ch;
}

.page-faq .faq-id__box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--faq-hair-light);
  border-left: 4px solid var(--signal);
  border-radius: var(--radius-sm);
  background: rgba(8, 28, 23, .6);
}

.page-faq .faq-id__code {
  font-size: clamp(24px, 7vw, 44px);
  letter-spacing: .02em;
  color: var(--signal);
  margin: 0;
  word-break: break-all;
}

.page-faq .copy-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--amber);
  background: transparent;
  color: var(--amber);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease;
}

.page-faq .copy-btn:hover {
  background: var(--amber);
  color: var(--ink-deep);
}

.page-faq .copy-btn.is-done {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--light);
}

.page-faq .faq-id__parts {
  margin: 22px 0 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-id__part {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--faq-hair-light);
}

.page-faq .faq-id__part:last-child {
  border-bottom: 1px solid var(--faq-hair-light);
}

.page-faq .faq-id__part dt {
  color: var(--signal);
  font-size: 15px;
  letter-spacing: .04em;
}

.page-faq .faq-id__part dd {
  margin: 0;
  font-size: 15px;
  color: rgba(244, 247, 243, .82);
}

.page-faq .faq-id__fig {
  border-color: var(--faq-hair-light);
}

/* ---------- 联系路径 ---------- */
.page-faq .panel {
  position: relative;
  border-radius: var(--radius);
  padding: 30px 20px 24px;
  box-shadow: var(--faq-panel-shadow);
}

.page-faq .panel--wine {
  background: linear-gradient(160deg, var(--wine), #4B1520);
  color: var(--light);
}

.page-faq .panel__label {
  position: absolute;
  top: -12px;
  left: 18px;
  padding: 5px 12px;
  border-radius: 4px;
  background: var(--note);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}

.page-faq .panel__label--signal {
  background: var(--signal);
  color: var(--light);
}

.page-faq .faq-next__title {
  font-size: clamp(21px, 5.4vw, 30px);
  margin-bottom: 18px;
}

.page-faq .checklist {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .checklist li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  color: rgba(244, 247, 243, .9);
}

.page-faq .checklist__key {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--amber);
}

.page-faq .faq-next__note {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 247, 243, .86);
  margin: 0 0 20px;
  max-width: 62ch;
}

.page-faq .faq-next__note a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, background-color .18s ease, color .18s ease;
}

.page-faq .btn--primary {
  background: var(--signal);
  color: var(--light);
  font-weight: 600;
}

.page-faq .btn--ghost {
  border: 1px solid rgba(244, 247, 243, .45);
  color: var(--light);
}

.page-faq .btn:hover {
  transform: translateY(-2px);
}

.page-faq .btn--ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
}

/* ---------- 收束与动效 ---------- */
.page-faq .faq-update {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 18px 40px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--field-ink);
}

.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .5s ease;
}

.page-faq [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal],
  .page-faq .fold__body,
  .page-faq .btn,
  .page-faq .fold__sign::before,
  .page-faq .fold__sign::after {
    transition: none;
    transform: none;
    opacity: 1;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .wrap {
    padding: 0 28px;
  }

  .page-faq .faq-hero {
    padding: 40px 0 56px;
  }

  .page-faq .section {
    padding: 64px 0;
  }

  .page-faq .fold__head {
    grid-template-columns: 46px 1fr 22px;
    gap: 14px;
    padding: 18px 4px;
  }

  .page-faq .fold__title {
    font-size: 18px;
  }

  .page-faq .fold__inner {
    padding: 6px 4px 24px 64px;
  }

  .page-faq .faq-id__part {
    grid-template-columns: 110px 1fr;
  }

  .page-faq .panel {
    padding: 40px 34px 32px;
  }

  .page-faq .faq-update {
    padding: 0 28px 48px;
  }
}

@media (min-width: 980px) {
  .page-faq .grid--asym {
    grid-template-columns: 1.08fr .92fr;
    align-items: start;
  }

  .page-faq .grid--asym--flip {
    grid-template-columns: .95fr 1.05fr;
    align-items: center;
  }

  .page-faq .faq-path__fig {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-qa__groups {
    margin-top: 28px;
  }

  .page-faq .faq-group {
    margin-bottom: 38px;
  }

  .page-faq .faq-id .h-serif {
    max-width: 20ch;
  }
}
<<<END>>>

.page-faq {
  --font-serify: inherit;
}