.page-faq {
  --faq-accent: var(--vd-cyan);
  --faq-ease: cubic-bezier(.22, .61, .36, 1);
  display: block;
  color: var(--vd-paper);
  padding-bottom: clamp(48px, 7vw, 90px);
}

.page-faq .vd-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--vd-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.page-faq .vd-crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .vd-crumbs li + li::before {
  content: "/";
  color: var(--vd-mist);
  opacity: .55;
}

.page-faq .vd-crumbs a {
  color: var(--vd-mist);
  text-decoration: none;
  transition: color .2s var(--faq-ease);
}

.page-faq .vd-crumbs a:hover,
.page-faq .vd-crumbs a:focus-visible {
  color: var(--vd-cyan);
}

.page-faq .vd-crumbs [aria-current="page"] {
  color: var(--vd-paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(16px, 3vw, 30px);
  padding: clamp(22px, 4.6vw, 46px);
  border: 1px solid var(--vd-line);
  border-radius: var(--vd-radius-l);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(43, 245, 208, .15), transparent 58%),
    radial-gradient(95% 85% at 0% 100%, rgba(255, 107, 44, .14), transparent 62%),
    var(--vd-ink);
  overflow: hidden;
  display: grid;
  gap: clamp(20px, 4vw, 36px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -38%;
  right: -18%;
  width: min(560px, 78%);
  aspect-ratio: 1;
  background: linear-gradient(135deg, rgba(142, 107, 255, .26), transparent 66%);
  transform: rotate(14deg);
  pointer-events: none;
}

.page-faq .faq-hero__copy,
.page-faq .faq-hero__media {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__copy .vd-eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-hero__copy .vd-display {
  margin: 0;
  font-size: clamp(28px, 5.2vw, 54px);
  line-height: 1.1;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__copy .vd-lede {
  margin: 18px 0 0;
  max-width: 58ch;
  color: var(--vd-mist);
  font-size: clamp(14.5px, 1.6vw, 16px);
  line-height: 1.7;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--vd-line-strong);
  border-radius: var(--vd-radius-m);
  background: var(--vd-coal);
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-faq .faq-hero__cap {
  padding: 10px 14px;
  font-family: var(--vd-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--vd-mist);
  border-top: 1px solid var(--vd-line);
}

/* ---------- 索引 ---------- */
.page-faq .faq-index {
  margin-top: clamp(26px, 4vw, 42px);
  padding: clamp(16px, 2.6vw, 24px) 0 clamp(12px, 2vw, 18px);
  border-top: 1px solid var(--vd-line);
  border-bottom: 1px solid var(--vd-line);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--vd-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--vd-mist);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  padding: 9px 16px 9px 9px;
  border: 1px solid var(--vd-line);
  border-radius: var(--vd-pill);
  background: var(--vd-coal);
  color: var(--vd-paper);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .24s var(--faq-ease), transform .24s var(--faq-ease), background .24s var(--faq-ease);
}

.page-faq .faq-chip__n {
  padding: 2px 8px;
  border: 1px solid var(--vd-line-strong);
  border-radius: var(--vd-pill);
  font-family: var(--vd-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--vd-cyan);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--vd-line-strong);
  background: var(--vd-teal);
  transform: translateY(-2px);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  --faq-accent: var(--vd-cyan);
  margin-top: clamp(38px, 6vw, 70px);
  padding-top: clamp(22px, 3.4vw, 34px);
  border-top: 1px solid var(--vd-line);
  scroll-margin-top: calc(var(--vd-header-h) + 24px);
}

.page-faq .faq-sec--orange {
  --faq-accent: var(--vd-orange);
}

.page-faq .faq-sec--violet {
  --faq-accent: var(--vd-violet);
}

.page-faq .faq-sec__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-sec__num {
  display: block;
  font-family: var(--vd-mono);
  font-size: clamp(42px, 7vw, 82px);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -.05em;
  color: var(--faq-accent);
  opacity: .55;
  -webkit-text-stroke: 1px var(--faq-accent);
  -webkit-text-fill-color: transparent;
}

.page-faq .faq-sec__intro-wrap .vd-title {
  margin: 0;
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-faq .faq-sec__intro {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--vd-mist);
}

.page-faq .faq-sec__body {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .faq-sec__figure {
  margin: 0;
  border: 1px solid var(--vd-line);
  border-radius: var(--vd-radius-m);
  background: var(--vd-coal);
  overflow: hidden;
}

.page-faq .faq-sec__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: block;
}

.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--vd-line);
  border-radius: var(--vd-radius-m);
  background: linear-gradient(180deg, rgba(18, 51, 43, .52), rgba(10, 13, 12, .92));
  overflow: hidden;
  transition: border-color .24s var(--faq-ease), box-shadow .24s var(--faq-ease);
}

.page-faq .faq-item[open] {
  border-color: var(--vd-line-strong);
  box-shadow: inset 3px 0 0 var(--faq-accent);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px clamp(13px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--vd-paper);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--vd-cyan);
  outline-offset: -4px;
}

.page-faq .faq-item__mark {
  flex: none;
  min-width: 26px;
  font-family: var(--vd-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--faq-accent);
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--vd-line);
  border-radius: 50%;
  color: var(--vd-paper);
  transition: transform .24s var(--faq-ease), color .24s var(--faq-ease), background .24s var(--faq-ease), border-color .24s var(--faq-ease);
}

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(45deg);
  background: var(--faq-accent);
  border-color: var(--faq-accent);
  color: var(--vd-ink);
}

.page-faq .faq-item__a {
  padding: 0 clamp(13px, 2.4vw, 22px) 17px calc(clamp(13px, 2.4vw, 22px) + 38px);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--vd-mist);
}

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

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

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--vd-paper);
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-open .24s var(--faq-ease) both;
}

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 联系 ---------- */
.page-faq .faq-reach {
  display: grid;
  gap: 10px;
  margin-top: clamp(16px, 2.6vw, 24px);
}

.page-faq .faq-reach__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 13px clamp(13px, 2.4vw, 20px);
  border: 1px solid var(--vd-line);
  border-radius: var(--vd-radius-s);
  background: var(--vd-coal);
}

.page-faq .faq-reach__key {
  flex: none;
  min-width: 72px;
  font-family: var(--vd-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--vd-mist);
}

.page-faq .faq-reach__val {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--vd-mono);
  font-size: clamp(13.5px, 1.6vw, 15px);
  color: var(--vd-paper);
  word-break: break-all;
}

.page-faq .faq-reach__val--plain {
  font-family: var(--vd-sans);
  letter-spacing: 0;
  font-size: 14px;
  color: var(--vd-paper);
}

.page-faq .faq-reach .vd-btn {
  flex: none;
  padding: 7px 14px;
  font-size: 12px;
  letter-spacing: .06em;
}

.page-faq .faq-note {
  margin: 14px 0 0;
  padding-left: 13px;
  border-left: 2px solid var(--faq-accent);
  max-width: 62ch;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--vd-mist);
}

/* ---------- 底部 ---------- */
.page-faq .faq-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(34px, 5vw, 58px);
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--vd-line);
  border-radius: var(--vd-radius-l);
  background: linear-gradient(120deg, rgba(43, 245, 208, .10), rgba(142, 107, 255, .12));
}

.page-faq .faq-foot__text {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--vd-paper);
}

.page-faq .faq-foot__sub {
  display: block;
  margin-top: 8px;
  font-family: var(--vd-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--vd-mist);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-sec__head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: clamp(20px, 3vw, 38px);
  }

  .page-faq .faq-hero__media img {
    aspect-ratio: 2 / 1;
  }

  .page-faq .faq-item__a {
    padding-left: calc(clamp(13px, 2.4vw, 22px) + 44px);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .faq-sec__body--split {
    grid-template-columns: minmax(0, 1fr) minmax(0, .58fr);
    align-items: start;
  }

  .page-faq .faq-index__list {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    animation: none !important;
    transition: none !important;
  }

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