.page-faq {
  --faq-toc-w: 224px;
  --faq-answer-w: 680px;
  --faq-gap: clamp(28px, 4vw, 56px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(36px, 6vw, 80px) 0 clamp(28px, 4vw, 48px);
  background:
    radial-gradient(120% 110% at 88% 0%, rgba(200, 242, 60, 0.10), transparent 58%),
    linear-gradient(180deg, var(--panel), var(--ink-night) 80%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -46px;
  width: clamp(220px, 34vw, 480px);
  height: clamp(220px, 34vw, 480px);
  border: 1px solid var(--line);
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
}

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

.page-faq .faq-hero__title {
  margin: 0.7rem 0 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 6.4vw, 4.6rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-hero__lede {
  max-width: 60ch;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__index {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-hero__index li {
  background: var(--ink-night);
}

.page-faq .faq-hero__index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: background 200ms var(--ease-out), color 200ms var(--ease-out);
}

.page-faq .faq-hero__index a:hover,
.page-faq .faq-hero__index a:focus-visible {
  background: var(--deep);
  color: var(--lime);
}

.page-faq .faq-hero__num {
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--lime);
}

/* ---------- 视觉占位 ---------- */
.page-faq .faq-visual {
  display: block;
  margin: clamp(22px, 3.4vw, 42px) auto;
}

.page-faq .faq-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-faq .faq-visual--foot {
  margin-top: clamp(32px, 5vw, 64px);
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-manual {
  padding: clamp(24px, 4vw, 44px) 0 0;
}

.page-faq .faq-manual__grid {
  display: grid;
  gap: var(--faq-gap);
}

/* ---------- 问题目录 ---------- */
.page-faq .faq-toc {
  border-top: 2px solid var(--lime);
  padding-top: 14px;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  color: var(--muted);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2px;
}

.page-faq .faq-toc__list a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 6px;
  align-items: baseline;
  padding: 10px 10px 10px 8px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9375rem;
  line-height: 1.45;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out), background 180ms var(--ease-out);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--text);
  border-left-color: var(--lime);
  background: rgba(200, 242, 60, 0.08);
}

.page-faq .faq-toc__num {
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--lime-dim);
}

/* ---------- 答案面板 ---------- */
.page-faq .faq-body {
  max-width: var(--faq-answer-w);
}

.page-faq .faq-body::before {
  content: "";
  display: block;
  height: 2px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
  background: linear-gradient(90deg, var(--lime) 0%, var(--lime) 34%, var(--line) 34%, var(--line) 100%);
}

.page-faq .faq-group {
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--ticker-h) + 24px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 8px;
}

.page-faq .faq-group__num {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-edit);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-faq .faq-group__note {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  border-top: 1px dashed rgba(44, 90, 69, 0.75);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto 20px;
  align-items: baseline;
  gap: 10px;
  padding: 14px 2px;
  list-style: none;
  cursor: pointer;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  transition: color 160ms var(--ease-out);
}

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

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

.page-faq .qa__num {
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--lime-dim);
}

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

.page-faq .qa__q .tag {
  align-self: center;
  white-space: nowrap;
}

.page-faq .qa__mark {
  justify-self: end;
  font-family: var(--font-num);
  font-size: 1.0625rem;
  line-height: 1;
  color: var(--lime);
  transition: transform 240ms var(--ease-out);
}

.page-faq .qa[open] .qa__mark {
  transform: rotate(45deg);
}

.page-faq .qa__a {
  padding: 0 2px 18px 40px;
  font-size: 0.9688rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 58ch;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-group--help {
  border-bottom: none;
}

.page-faq .faq-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--panel);
}

.page-faq .faq-contact__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-contact__value {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  padding: 0 0 clamp(48px, 7vw, 88px);
}

.page-faq .faq-outro__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-outro__text {
  margin: 0;
  max-width: 56ch;
  font-family: var(--font-edit);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px dashed var(--line);
  background: var(--paper);
  color: var(--paper-ink);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: transform 180ms var(--ease-out), border-color 180ms var(--ease-out), background 180ms var(--ease-out);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--orange);
  background: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (max-width: 599px) {
  .page-faq .qa__q {
    grid-template-columns: 26px minmax(0, 1fr) 18px;
    gap: 8px;
    font-size: 1rem;
  }

  .page-faq .qa__q .tag {
    grid-column: 2 / -1;
    justify-self: start;
    margin-top: 6px;
  }

  .page-faq .qa__a {
    padding-left: 34px;
  }

  .page-faq .faq-hero__index {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
}

@media (min-width: 640px) {
  .page-faq .faq-toc__list {
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-manual__grid {
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--ticker-h) + 28px);
  }

  .page-faq .faq-toc__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-outro__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__mark,
  .page-faq .faq-link,
  .page-faq .faq-toc__list a,
  .page-faq .faq-hero__index a {
    transition: none;
  }
}
<<<END>>>