.page-faq {
  --faq-rail: 262px;
  --faq-gap: clamp(18px, 2.4vw, 34px);
  --faq-ink-soft: #3c4650;
  background: var(--sand-100);
  color: var(--ink-950);
  font-family: var(--font-body);
  line-height: 1.8;
}

.page-faq .crumbs {
  padding: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--tide-600);
}

.page-faq .crumbs a {
  color: var(--tide-600);
  text-decoration: none;
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 4.6vw, 52px) 0 clamp(26px, 4vw, 48px);
  border-bottom: 2px solid var(--ink-950);
  background:
    radial-gradient(120% 90% at 6% 0%, rgba(46, 217, 206, 0.18), transparent 62%),
    radial-gradient(80% 70% at 92% 8%, rgba(255, 106, 69, 0.12), transparent 60%),
    var(--sand-100);
}

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

.page-faq .faq-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(38px, 7.2vw, 82px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.page-faq .faq-hero__title .hl {
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(transparent 70%, rgba(255, 106, 69, 0.38) 70%);
}

.page-faq .faq-hero__lead {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.9;
  color: var(--faq-ink-soft);
}

.page-faq .faq-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 2px solid var(--ink-950);
  background: var(--white-050);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--cyan-400);
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 0 var(--ink-950);
  outline: none;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 2px solid var(--ink-950);
  box-shadow: var(--shadow-brut);
  background: var(--abyss-800);
}

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

/* ---------- 分组索引 ---------- */
.page-faq .faq-map {
  padding: clamp(32px, 5vw, 62px) 0;
  background-color: var(--abyss-950);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(220, 231, 232, 0.07) 0 1px,
    transparent 1px 90px
  );
  color: var(--white-050);
  border-bottom: 2px solid var(--ink-950);
}

.page-faq .faq-map__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 16px;
  padding-bottom: 16px;
  margin-bottom: clamp(20px, 3vw, 30px);
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-map__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  letter-spacing: -0.025em;
  color: var(--white-050);
}

.page-faq .faq-map__head p {
  margin: 0;
  font-size: 13px;
  color: rgba(220, 231, 232, 0.7);
}

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

.page-faq .faq-map__figure {
  margin: 0;
  border: 2px solid var(--hair);
  background: var(--abyss-800);
  overflow: hidden;
}

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

.page-faq .faq-map__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-map__item + .faq-map__item {
  border-top: 1px solid var(--hair-soft);
}

.page-faq .faq-map__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  padding: 15px 6px 15px 12px;
  border-left: 3px solid transparent;
  text-decoration: none;
  color: var(--white-050);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), padding 0.2s var(--ease);
}

.page-faq .faq-map__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-faq .faq-map__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.4;
  letter-spacing: -0.015em;
}

.page-faq .faq-map__meta {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(220, 231, 232, 0.62);
}

.page-faq .faq-map__link:hover,
.page-faq .faq-map__link:focus-visible {
  background: rgba(46, 217, 206, 0.1);
  border-left-color: var(--coral-500);
  padding-left: 18px;
  outline: none;
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  padding: clamp(32px, 5vw, 70px) 0;
  background: var(--sand-100);
}

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

.page-faq .faq-nav {
  border: 2px solid var(--ink-950);
  background: var(--fog-200);
  box-shadow: 4px 4px 0 0 var(--ink-950);
  padding: 16px;
}

.page-faq .faq-nav ol {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-faq .faq-nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px 8px 10px;
  border-left: 3px solid transparent;
  color: var(--ink-950);
  font-size: 14px;
  text-decoration: none;
  transition: background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-nav a:hover,
.page-faq .faq-nav a:focus-visible {
  background: var(--white-050);
  border-left-color: var(--coral-500);
  outline: none;
}

.page-faq .faq-nav__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--tide-600);
}

.page-faq .faq-nav__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair-dark);
  font-size: 12px;
  line-height: 1.7;
  color: #4a5560;
}

.page-faq .faq-group {
  scroll-margin-top: 24px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4vw, 54px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink-950);
}

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

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.page-faq .faq-group \.faq-group__intro,
.page-faq .faq-group__intro {
  max-width: 62ch;
  margin: 14px 0 20px;
  font-size: 15px;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item {
  margin-bottom: 14px;
  border: 2px solid var(--ink-950);
  background: var(--white-050);
  box-shadow: 4px 4px 0 0 rgba(16, 20, 23, 0.92);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  box-shadow: 6px 6px 0 0 var(--cyan-400);
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 15px 16px;
  color: var(--ink-950);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.55;
  letter-spacing: -0.01em;
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:focus-visible {
  outline: 3px solid var(--cyan-400);
  outline-offset: -3px;
}

.page-faq .faq-item__no {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--tide-600);
}

.page-faq .faq-item__sign {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  flex: none;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--ink-950);
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .faq-item[open] .faq-item__sign::before {
  background: var(--coral-500);
}

.page-faq .faq-item__body {
  margin: 0 16px;
  padding: 14px 0 18px;
  border-top: 1px dashed var(--hair-dark);
  font-size: 15px;
  line-height: 1.88;
  color: #2c343b;
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__body a {
  color: var(--tide-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--coral-500);
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-help {
  padding: 0 0 clamp(38px, 6vw, 78px);
  background: var(--sand-100);
}

.page-faq .faq-help__panel {
  display: grid;
  gap: clamp(20px, 2.8vw, 34px);
  padding: clamp(22px, 3.6vw, 44px);
  scroll-margin-top: 24px;
}

.page-faq .faq-help h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(26px, 3.8vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--white-050);
}

.page-faq .faq-help__copy p {
  max-width: 44ch;
  margin: 0;
  font-size: 15px;
  color: rgba(220, 231, 232, 0.82);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-help__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-faq .faq-help__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-faq .faq-help__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--white-050);
  overflow-wrap: anywhere;
}

.page-faq .faq-help .copybtn {
  max-width: 100%;
  border-color: var(--cyan-400);
  color: var(--white-050);
  overflow-wrap: anywhere;
}

/* ---------- 视口 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-map__link {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-map__meta {
    grid-column: 3;
    justify-self: end;
    white-space: nowrap;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
  }

  .page-faq .faq-map__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }

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

  .page-faq .faq-nav {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero {
    padding-top: clamp(36px, 4vw, 62px);
  }

  .page-faq .faq-hero__copy {
    padding-bottom: 8px;
  }
}

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

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