.page-faq {
  --faq-rail: 258px;
  background: var(--zy-ink);
  color: var(--zy-paper);
  font-family: var(--zy-font-sans);
  padding-bottom: clamp(32px, 6vw, 72px);
}

.page-faq__crumb {
  padding-top: clamp(14px, 2.4vw, 22px);
  padding-bottom: 4px;
}

.page-faq__crumb a {
  color: var(--zy-paper-58);
  text-decoration: none;
}

.page-faq__crumb a:hover,
.page-faq__crumb a:focus-visible {
  color: var(--zy-lime);
}

.page-faq details,
.page-faq section,
.page-faq .faq-item,
.page-faq .faq-group {
  scroll-margin-top: 130px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(30px, 5vw, 54px);
  border-bottom: 1px solid var(--zy-hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30% -15%;
  background-image: repeating-linear-gradient(
    -24deg,
    transparent 0 48px,
    var(--zy-line) 48px 49px
  );
  opacity: 0.24;
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  max-width: 15em;
  font-size: clamp(1.9rem, 6.2vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 900;
  color: var(--zy-paper);
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 44em;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.78;
  color: var(--zy-paper-72);
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}

.page-faq .faq-quick__pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--zy-line);
  background: rgba(184, 255, 61, 0.06);
  color: var(--zy-paper-72);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color 0.2s var(--zy-ease), color 0.2s var(--zy-ease),
    background 0.2s var(--zy-ease);
}

.page-faq .faq-quick__pill:hover,
.page-faq .faq-quick__pill:focus-visible {
  border-color: var(--zy-lime);
  color: var(--zy-lime);
  background: rgba(184, 255, 61, 0.13);
}

.page-faq .faq-hero__plate {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  border: 1px solid var(--zy-line);
  border-radius: var(--zy-radius-lg);
  background: linear-gradient(
      150deg,
      rgba(184, 255, 61, 0.16),
      rgba(255, 176, 46, 0.08) 68%,
      transparent
    ),
    var(--zy-venue);
  backdrop-filter: blur(8px);
}

.page-faq .faq-hero__label {
  font-family: var(--zy-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--zy-mist);
}

.page-faq .faq-hero__num {
  font-family: var(--zy-font-mono);
  font-size: clamp(2.6rem, 8.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--zy-amber);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__note {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--zy-paper-58);
}

/* ---------- 热门问题 ---------- */
.page-faq .faq-hot {
  padding: clamp(28px, 4.5vw, 52px) 0 clamp(8px, 1.6vw, 16px);
}

.page-faq .faq-hot__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin-bottom: 18px;
}

.page-faq .faq-hot__title {
  margin: 0;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--zy-paper);
}

.page-faq .faq-hot__sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--zy-paper-58);
}

.page-faq .faq-hot__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-hot__card {
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--zy-line);
  border-radius: var(--zy-radius);
  background: var(--zy-venue);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.22s var(--zy-ease), transform 0.22s var(--zy-ease),
    background 0.22s var(--zy-ease);
}

.page-faq .faq-hot__card:hover,
.page-faq .faq-hot__card:focus-visible {
  border-color: var(--zy-lime);
  background: linear-gradient(170deg, rgba(184, 255, 61, 0.1), transparent 70%),
    var(--zy-venue);
  transform: translateY(-3px);
}

.page-faq .faq-hot__no {
  font-family: var(--zy-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--zy-amber);
}

.page-faq .faq-hot__q {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--zy-paper);
}

.page-faq .faq-hot__hint {
  font-size: 13px;
  color: var(--zy-mist);
}

.page-faq .faq-hot__card:hover .faq-hot__hint,
.page-faq .faq-hot__card:focus-visible .faq-hot__hint {
  color: var(--zy-lime);
}

/* ---------- 主体：分类轨 + 问答 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 24px;
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-faq .faq-rail {
  padding: 18px;
  border: 1px solid var(--zy-hair);
  border-radius: var(--zy-radius);
  background: rgba(14, 42, 34, 0.72);
}

.page-faq .faq-rail__head {
  margin: 0 0 10px;
  font-family: var(--zy-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--zy-mist);
}

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

.page-faq .faq-rail__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 12px 12px 0;
  color: var(--zy-paper-72);
  font-size: 14.5px;
  text-decoration: none;
  transition: color 0.18s var(--zy-ease), background 0.18s var(--zy-ease),
    border-color 0.18s var(--zy-ease);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--zy-lime);
  background: rgba(184, 255, 61, 0.09);
  border-left-color: var(--zy-lime);
}

.page-faq .faq-rail__count {
  font-family: var(--zy-font-mono);
  font-size: 12px;
  color: var(--zy-mist);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-rail__note {
  display: grid;
  gap: 4px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--zy-hair);
  font-size: 13px;
  line-height: 1.6;
  color: var(--zy-paper-58);
}

.page-faq .faq-rail__note-label {
  font-family: var(--zy-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--zy-mist);
}

.page-faq .faq-rail__note a {
  color: var(--zy-lime);
  text-decoration: none;
  word-break: break-all;
}

.page-faq .faq-rail__note a:hover,
.page-faq .faq-rail__note a:focus-visible {
  text-decoration: underline;
}

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(26px, 4vw, 40px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--zy-hair);
}

.page-faq .faq-group__id {
  font-family: var(--zy-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--zy-amber);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(1.1rem, 2.6vw, 1.45rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--zy-paper);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 0 0 16px;
  border: 1px solid var(--zy-line);
  border-radius: var(--zy-radius);
  overflow: hidden;
  background: var(--zy-ink);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--zy-mist);
  border-top: 1px solid var(--zy-hair);
}

/* 手风琴 */
.page-faq .faq-item {
  border: 1px solid var(--zy-hair);
  border-radius: 16px;
  background: var(--zy-venue);
  overflow: hidden;
  transition: border-color 0.22s var(--zy-ease), background 0.22s var(--zy-ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item:hover {
  border-color: var(--zy-line);
}

.page-faq .faq-item[open] {
  border-color: var(--zy-line);
  background: linear-gradient(180deg, rgba(184, 255, 61, 0.08), transparent 62%),
    var(--zy-venue);
}

.page-faq .faq-item__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__sum:focus-visible {
  outline: 2px solid var(--zy-lime);
  outline-offset: -3px;
}

.page-faq .faq-item__no {
  flex: none;
  font-family: var(--zy-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--zy-amber);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--zy-paper);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  border: 1px solid var(--zy-line);
  border-radius: 50%;
  transition: background 0.2s var(--zy-ease), border-color 0.2s var(--zy-ease);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--zy-lime);
  transform: translate(-50%, -50%);
  transition: opacity 0.2s var(--zy-ease), background 0.2s var(--zy-ease);
}

.page-faq .faq-item__mark::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .faq-item__mark::after {
  width: 1.5px;
  height: 9px;
}

.page-faq .faq-item[open] .faq-item__mark {
  background: var(--zy-lime);
  border-color: var(--zy-lime);
}

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--zy-ink);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 18px 20px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--zy-paper-72);
}

.page-faq .faq-item__body p {
  margin: 0;
}

.page-faq .faq-item__body p + p {
  margin-top: 10px;
}

.page-faq .faq-item__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.page-faq .faq-item__links a {
  color: var(--zy-lime);
  text-decoration: none;
  font-size: 13.5px;
  border-bottom: 1px solid rgba(184, 255, 61, 0.4);
  padding-bottom: 1px;
}

.page-faq .faq-item__links a:hover,
.page-faq .faq-item__links a:focus-visible {
  border-bottom-color: var(--zy-lime);
}

/* ---------- 底部帮助 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 4.5vw, 42px);
  border: 1px solid var(--zy-line);
  border-radius: var(--zy-radius-lg);
  background: linear-gradient(
      130deg,
      rgba(255, 176, 46, 0.14),
      rgba(184, 255, 61, 0.07) 60%,
      transparent
    ),
    var(--zy-venue);
}

.page-faq .faq-help__title {
  margin: 0 0 10px;
  font-size: clamp(1.25rem, 3.2vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--zy-paper);
}

.page-faq .faq-help__copy p {
  margin: 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--zy-paper-72);
}

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

.page-faq .faq-help__link {
  font-size: 13px;
  color: var(--zy-paper-58);
  text-decoration: none;
  border-bottom: 1px solid var(--zy-hair);
  padding-bottom: 1px;
}

.page-faq .faq-help__link:hover,
.page-faq .faq-help__link:focus-visible {
  color: var(--zy-lime);
  border-bottom-color: var(--zy-lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-item__sum {
    padding: 18px 22px;
    gap: 14px;
  }

  .page-faq .faq-item__q {
    font-size: 16px;
  }

  .page-faq .faq-item__body {
    padding: 0 22px 22px 48px;
    font-size: 15px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: clamp(28px, 4vw, 48px);
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(24px, 3.5vw, 52px);
    align-items: start;
  }

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

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-faq .faq-help__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__plate {
    padding: 24px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hot__card,
  .page-faq .faq-quick__pill,
  .page-faq .faq-item,
  .page-faq .faq-rail__list a,
  .page-faq .faq-item__mark,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after {
    transition: none;
  }

  .page-faq .faq-hot__card:hover,
  .page-faq .faq-hot__card:focus-visible {
    transform: none;
  }
}
<<<END>>>