.page-faq {
  --faq-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --faq-index-w: 132px;
  --faq-sticky: 132px;
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 4.5vw, 58px) 0 clamp(26px, 4vw, 50px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(25, 230, 192, .13), transparent 62%),
    linear-gradient(180deg, rgba(18, 61, 51, .62), rgba(4, 28, 23, 0) 78%),
    repeating-linear-gradient(90deg, rgba(28, 74, 66, .5) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(0deg, rgba(28, 74, 66, .32) 0 1px, transparent 1px 48px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-faq .faq-hero__copy .eyebrow {
  display: block;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 14px;
  font-size: clamp(38px, 8vw, 74px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.015em;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  max-width: 50ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: rgba(11, 34, 48, .8);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

/* ---------- 索引 + 分组 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding-top: clamp(30px, 5vw, 64px);
}

.page-faq .faq-index {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    repeating-linear-gradient(0deg, rgba(28, 74, 66, .42) 0 1px, transparent 1px 24px),
    rgba(10, 44, 36, .82);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-index__btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(4, 28, 23, .75);
  color: var(--mist);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .06em;
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-index__btn:hover,
.page-faq .faq-index__btn:focus-visible {
  border-color: var(--orange);
  background: var(--panel-2);
  color: var(--text);
}

.page-faq .faq-index__btn:focus-visible,
.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: var(--faq-sticky);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 62px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__num {
  flex: none;
  font-family: var(--font-numeric);
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  color: var(--orange);
}

.page-faq .faq-group h2 {
  margin: 0;
  font-size: clamp(19px, 2.5vw, 27px);
  font-weight: 900;
  line-height: 1.32;
  letter-spacing: -.005em;
  color: var(--text);
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(10, 44, 36, .95), rgba(4, 28, 23, .95));
  overflow: hidden;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(25, 230, 192, .5);
}

.page-faq .faq-item[open] {
  border-color: var(--neon);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

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

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

.page-faq .faq-item__steps {
  flex: none;
  padding: 3px 10px;
  border: 1px solid rgba(255, 122, 46, .62);
  border-radius: var(--r-pill);
  background: rgba(255, 122, 46, .16);
  color: var(--amber);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  white-space: nowrap;
}

.page-faq .faq-icon {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: var(--r-pill);
  background: rgba(25, 230, 192, .12);
  transition: transform .24s var(--ease), background .2s var(--ease);
}

.page-faq .faq-icon::before,
.page-faq .faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--neon);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform .24s var(--ease), background .2s var(--ease);
}

.page-faq .faq-icon::before {
  width: 11px;
  height: 2px;
}

.page-faq .faq-icon::after {
  width: 2px;
  height: 11px;
}

.page-faq .faq-item[open] .faq-icon {
  transform: rotate(90deg);
  background: rgba(255, 122, 46, .2);
}

.page-faq .faq-item[open] .faq-icon::before,
.page-faq .faq-item[open] .faq-icon::after {
  background: var(--orange);
}

.page-faq .faq-item[open] .faq-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__answer {
  padding: 14px 16px 18px;
  border-top: 1px solid rgba(28, 74, 66, .85);
  background: rgba(11, 34, 48, .55);
  animation: faqAnswerIn .26s var(--ease) both;
}

.page-faq .faq-item__answer p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

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

.page-faq .faq-item__answer p.faq-path {
  display: inline-block;
  margin: 0 0 12px;
  padding: 5px 12px;
  border-left: 2px solid var(--orange);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(4, 28, 23, .85);
  color: var(--mist);
  font-family: var(--faq-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  line-height: 1.6;
}

.page-faq .faq-item__answer a {
  color: var(--mist);
  text-decoration: underline;
  text-decoration-color: rgba(143, 245, 224, .5);
  text-underline-offset: 3px;
  transition: color .18s var(--ease), text-decoration-color .18s var(--ease);
}

.page-faq .faq-item__answer a:hover,
.page-faq .faq-item__answer a:focus-visible {
  color: var(--neon);
  text-decoration-color: var(--neon);
}

.page-faq .faq-group__media {
  margin: 18px 0 0;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(11, 34, 48, .75);
}

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

/* ---------- 结尾行动区 ---------- */
.page-faq .faq-cta {
  position: relative;
  margin-top: clamp(40px, 6vw, 76px);
  padding: clamp(22px, 3.6vw, 38px);
  display: grid;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(120deg, rgba(18, 61, 51, .95), rgba(11, 34, 48, .92)),
    repeating-linear-gradient(90deg, rgba(28, 74, 66, .5) 0 1px, transparent 1px 32px);
  overflow: hidden;
}

.page-faq .faq-cta::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 122, 46, 0));
}

.page-faq .faq-cta__coord {
  display: block;
  margin-bottom: 8px;
  font-family: var(--faq-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-faq .faq-cta h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--text);
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-cta .btn {
  justify-self: start;
}

@keyframes faqAnswerIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-item__q {
    padding: 17px 20px;
    font-size: 16.5px;
  }

  .page-faq .faq-item__answer {
    padding: 16px 20px 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
  }

  .page-faq .faq-hero__media {
    align-self: end;
  }

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

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky);
    padding: 18px 14px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 8px;
  }

  .page-faq .faq-index__btn {
    display: block;
    writing-mode: vertical-rl;
    text-orientation: upright;
    white-space: nowrap;
    text-align: center;
    padding: 16px 9px;
    border-radius: var(--r-md);
    font-size: 13.5px;
    letter-spacing: .2em;
    line-height: 1;
  }
}

@media (min-width: 1180px) {
  .page-faq {
    --faq-index-w: 156px;
  }
}

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

  .page-faq .faq-item__answer {
    animation: none;
  }
}
<<<END>>>