.page-faq {
  --faq-line: rgba(242, 245, 250, 0.10);
  --faq-quiet: rgba(30, 44, 78, 0.62);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(28px, 4.4vw, 52px);
  background:
    radial-gradient(120% 92% at 84% 2%, rgba(226, 84, 42, 0.16), transparent 62%),
    radial-gradient(94% 84% at 6% 100%, rgba(200, 155, 74, 0.13), transparent 62%),
    var(--ink-900);
  border-bottom: 1px solid var(--line-copper);
}

.page-faq .faq-hero .eyebrow {
  margin-top: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-hero .display--xl {
  margin: 12px 0 0;
  max-width: 19ch;
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero .lede {
  margin-top: 18px;
  max-width: 56ch;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
}

.page-faq .faq-quickmark {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-quickmark li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-faq .faq-quickmark .figure {
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
}

.page-faq .faq-quickmark__unit {
  line-height: 1.4;
}

/* ---------- 工具区 ---------- */
.page-faq .faq-tools {
  padding: clamp(26px, 3.8vw, 48px) 0 0;
}

.page-faq .faq-figure {
  margin: 0 0 clamp(28px, 4vw, 48px);
  border: 1px solid var(--line-copper);
  background: var(--ink-850);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: clamp(170px, 24vw, 290px);
  object-fit: cover;
  object-position: center;
}

.page-faq .faq-figure .media__caption {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line-copper);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  background: var(--ink-850);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 10px 12px 13px;
  border-left: 2px solid transparent;
  border-bottom: 1px solid var(--faq-line);
  color: var(--muted);
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--cinnabar);
  background-color: rgba(226, 84, 42, 0.07);
}

.page-faq .faq-index__link[aria-current="true"],
.page-faq .faq-index__link.is-current {
  color: var(--paper);
  border-left-color: var(--jade);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-faq .faq-index__help {
  margin-top: 22px;
  padding: 18px 16px 20px;
  border: 1px solid var(--line-copper);
}

.page-faq .faq-index__help-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-index__help-text {
  margin: 8px 0 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 右侧问答列 ---------- */
.page-faq .faq-columns {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: clamp(34px, 4.6vw, 56px);
  scroll-margin-top: 112px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--line-copper-strong);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 2.3vw, 24px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-q {
  margin: 0;
}

.page-faq .collapse__btn {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 4px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--faq-line);
  color: var(--paper);
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color var(--t-fast), background-color var(--t-fast), border-color var(--t-fast);
}

.page-faq .collapse__btn:hover,
.page-faq .collapse__btn:focus-visible {
  color: var(--cinnabar-hi);
  background-color: rgba(226, 84, 42, 0.05);
}

.page-faq .collapse__btn[aria-expanded="true"] {
  color: var(--paper);
  border-bottom-color: var(--line-copper);
  background-color: rgba(200, 155, 74, 0.06);
}

.page-faq .faq-q__idx {
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 500;
}

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

.page-faq .collapse__sign {
  width: 10px;
  height: 10px;
  flex: none;
  transition: transform var(--t-fast), color var(--t-fast);
}

.page-faq .collapse__btn[aria-expanded="true"] .collapse__sign {
  transform: rotate(90deg);
}

.page-faq .collapse__panel {
  display: none;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .collapse__panel[data-open] {
  display: block;
  background: var(--glass-strong);
  box-shadow: inset 3px 0 0 rgba(226, 84, 42, 0.5);
}

.page-faq .collapse__panel .prose {
  margin: 0;
  padding: 14px clamp(14px, 2.6vw, 22px) 18px clamp(14px, 2.6vw, 30px);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .collapse__panel .prose a {
  color: var(--copper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-copper-strong);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-faq .collapse__panel .prose a:hover,
.page-faq .collapse__panel .prose a:focus-visible {
  color: var(--cinnabar-hi);
  border-bottom-color: var(--cinnabar-hi);
}

/* ---------- 页尾人工入口 ---------- */
.page-faq .faq-exit {
  margin-top: clamp(52px, 7vw, 88px);
  padding: clamp(34px, 5vw, 62px) 0 clamp(44px, 6vw, 72px);
  background: var(--ink-850);
  border-top: 1px solid var(--line-copper);
  scroll-margin-top: 100px;
}

.page-faq .faq-exit__figure {
  margin: 0 0 clamp(26px, 3.6vw, 40px);
  border: 1px solid var(--line-copper);
  overflow: hidden;
}

.page-faq .faq-exit__figure img {
  display: block;
  width: 100%;
  height: clamp(160px, 22vw, 250px);
  object-fit: cover;
  object-position: center;
}

.page-faq .faq-exit__title {
  margin: 10px 0 0;
  max-width: 22ch;
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-faq .faq-exit__lede {
  margin: 14px 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.75;
}

.page-faq .faq-exits {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(26px, 3.4vw, 38px);
}

.page-faq .faq-exit-card {
  display: block;
  padding: 20px 18px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line-copper);
  color: var(--paper);
  text-decoration: none;
  transition: background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.page-faq .faq-exit-card:hover,
.page-faq .faq-exit-card:focus-visible {
  background: var(--copper);
  border-color: var(--cinnabar-hi);
  color: var(--ink-900);
}

.page-faq .faq-exit-card__label {
  margin: 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--copper);
  transition: color var(--t-fast);
}

.page-faq .faq-exit-card__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.4;
  word-break: break-word;
}

.page-faq .faq-exit-card__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
  transition: color var(--t-fast);
}

.page-faq .faq-exit-card:hover .faq-exit-card__label,
.page-faq .faq-exit-card:focus-visible .faq-exit-card__label {
  color: rgba(14, 26, 51, 0.68);
}

.page-faq .faq-exit-card:hover .faq-exit-card__note,
.page-faq .faq-exit-card:focus-visible .faq-exit-card__note {
  color: rgba(14, 26, 51, 0.76);
}

.page-faq .faq-exit-card__arrow {
  display: inline-block;
  margin-top: 12px;
  font-size: 17px;
  line-height: 1;
  transition: transform var(--t-fast);
}

.page-faq .faq-exit-card--link:hover .faq-exit-card__arrow,
.page-faq .faq-exit-card--link:focus-visible .faq-exit-card__arrow {
  transform: translateX(5px);
}

.page-faq .faq-exit-card .copy-btn {
  margin-top: 14px;
  background: transparent;
  border: 1px solid var(--line-copper);
  color: var(--paper);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  transition: background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.page-faq .faq-exit-card:hover .copy-btn,
.page-faq .faq-exit-card:focus-within .copy-btn {
  border-color: rgba(14, 26, 51, 0.45);
  color: var(--ink-900);
}

.page-faq .faq-exit-card .copy-btn:hover,
.page-faq .faq-exit-card .copy-btn:focus-visible {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-faq .faq-exit__foot {
  margin: clamp(24px, 3.2vw, 34px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--faq-line);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
}

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

.page-faq .faq-exit__foot a:hover,
.page-faq .faq-exit__foot a:focus-visible {
  color: var(--cinnabar-hi);
  border-bottom-color: var(--cinnabar-hi);
}

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

@media (min-width: 700px) {
  .page-faq .faq-quickmark {
    gap: 14px 34px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(34px, 5vw, 68px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 112px;
  }

  .page-faq .faq-exits {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .collapse__btn {
    font-size: 16px;
    padding: 17px 6px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero .display--xl {
    max-width: 17ch;
  }
}

@media (max-width: 420px) {
  .page-faq .collapse__btn {
    gap: 10px;
    font-size: 15px;
  }

  .page-faq .faq-index__link {
    font-size: 14px;
  }
}
<<<END>>>