.page-faq {
  --faq-ink-soft: rgba(7, 17, 15, 0.72);
  --faq-ink-faint: rgba(7, 17, 15, 0.52);
  --faq-dark-line: rgba(191, 232, 223, 0.18);
  --faq-dark-dim: rgba(247, 243, 234, 0.68);
  background: var(--c-paper);
  color: var(--c-ink);
  font-size: var(--fs-body);
  line-height: 1.7;
}

.page-faq h2 {
  font-size: clamp(24px, 3.4vw, var(--fs-h2));
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -0.005em;
  margin: 0;
}

.page-faq :where(a, summary):focus-visible {
  outline: 2px solid var(--c-deep);
  outline-offset: 2px;
}

.page-faq .faq-hero :where(a):focus-visible,
.page-faq .faq-support :where(a):focus-visible {
  outline-color: var(--c-cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 56px;
  color: var(--c-text);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(41, 242, 208, 0.12), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(255, 107, 53, 0.10), transparent 58%),
    var(--c-deep);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--c-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--c-line-soft) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.32;
  pointer-events: none;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-faint);
}

.page-faq .breadcrumb a {
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease);
}

.page-faq .breadcrumb a:hover {
  border-bottom-color: var(--c-mist);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-hero-main .kicker {
  color: var(--c-cyan);
}

.page-faq .faq-hero h1 {
  font-size: clamp(38px, 8vw, var(--fs-h1));
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 14px 0 20px;
}

.page-faq .faq-lead {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.75;
  color: var(--c-text-dim);
}

.page-faq .faq-status-panel {
  border: 1px solid var(--faq-dark-line);
  background: var(--c-night);
  padding: 4px 18px;
}

.page-faq .faq-status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-dark-line);
  font-size: var(--fs-small);
}

.page-faq .faq-status-row:last-child {
  border-bottom: 0;
}

.page-faq .faq-status-key {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-faint);
}

.page-faq .faq-status-val {
  color: var(--c-text);
  font-weight: 600;
}

.page-faq .faq-status-val.mono {
  color: var(--c-cyan);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

/* ---------- 分流路径 ---------- */
.page-faq .faq-paths {
  padding: 50px 0 44px;
}

.page-faq .faq-paths-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 26px;
}

.page-faq .faq-paths-head p {
  margin: 0;
  color: var(--faq-ink-soft);
  max-width: 52ch;
}

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

.page-faq .faq-path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 26px;
  background: var(--c-paper);
  transition: background var(--ease), box-shadow var(--ease);
}

.page-faq .faq-path:hover,
.page-faq .faq-path:focus-within {
  background: var(--c-mist);
  box-shadow: inset 0 0 0 1px var(--c-deep);
}

.page-faq .faq-path-num {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.2em;
  color: var(--c-orange);
}

.page-faq .faq-path h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 700;
}

.page-faq .faq-path p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-path-link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.12em;
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 主体：侧栏 + 折叠面板 ---------- */
.page-faq .faq-body {
  padding: 0 0 16px;
}

.page-faq .faq-body-grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-rail {
  border: 1px solid var(--c-line-ink);
  background: var(--c-paper);
  padding: 14px;
}

.page-faq .faq-rail-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faq-ink-faint);
}

.page-faq .faq-rail-list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 2px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail-list li {
  flex: 0 0 auto;
}

.page-faq .faq-rail-list a {
  display: block;
  padding: 8px 14px;
  white-space: nowrap;
  border: 1px solid var(--c-line-ink);
  border-radius: var(--pill);
  font-size: var(--fs-small);
  color: var(--c-deep);
  text-decoration: none;
  transition: background var(--ease), border-color var(--ease);
}

.page-faq .faq-rail-list a:hover {
  background: var(--c-mist);
  border-color: var(--c-deep);
}

.page-faq .faq-group {
  scroll-margin-top: 104px;
  border-top: 1px solid var(--c-line-ink);
  padding-top: 22px;
  margin-bottom: 44px;
}

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

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.2em;
  color: var(--c-orange);
}

.page-faq .faq-group h2 {
  font-size: var(--fs-h3);
  line-height: 1.3;
  font-weight: 700;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--c-line-ink);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--ease);
}

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

.page-faq .faq-item summary:hover .faq-q {
  color: var(--c-deep);
}

.page-faq .faq-q-num {
  flex: 0 0 auto;
  min-width: 24px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.1em;
  color: var(--faq-ink-faint);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.55;
}

.page-faq .faq-q-mark {
  position: relative;
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin-top: 7px;
  border: 1px solid var(--c-deep);
}

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  background: var(--c-deep);
  transition: transform var(--ease), opacity var(--ease);
}

.page-faq .faq-q-mark::before {
  top: 2px;
  bottom: 2px;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
}

.page-faq .faq-q-mark::after {
  left: 2px;
  right: 2px;
  top: 50%;
  height: 1px;
  transform: translateY(-50%);
}

.page-faq .faq-item[open] .faq-q-mark::before {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-item[open] .faq-q {
  color: var(--c-deep);
}

.page-faq .faq-a {
  padding: 0 0 22px 36px;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-a p {
  margin: 0;
}

.page-faq .faq-a ol {
  counter-reset: faq-step;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-faq .faq-a ol > li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 28px;
  margin-bottom: 8px;
}

.page-faq .faq-a ol > li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-a ol > li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--c-orange);
}

.page-faq .faq-figure {
  margin: 24px 0 0;
  border: 1px solid var(--c-line-ink);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--c-line-ink);
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.08em;
  color: var(--faq-ink-faint);
}

/* ---------- 客服区块 ---------- */
.page-faq .faq-support {
  padding: 52px 0 56px;
  color: var(--c-text);
  background:
    linear-gradient(180deg, rgba(41, 242, 208, 0.07), transparent 55%),
    var(--c-night);
  scroll-margin-top: 96px;
}

.page-faq .faq-support-grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-support-main h2 {
  margin: 14px 0 18px;
  color: var(--c-text);
}

.page-faq .faq-support .kicker {
  color: var(--c-orange);
}

.page-faq .faq-support-text {
  margin: 0 0 22px;
  max-width: 54ch;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--faq-dark-dim);
}

.page-faq .faq-support-link {
  display: inline-block;
  padding: 11px 22px;
  border: 1px solid var(--c-cyan);
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-cyan);
  text-decoration: none;
  transition: background var(--ease), color var(--ease);
}

.page-faq .faq-support-link:hover {
  background: var(--c-cyan);
  color: var(--c-deep);
}

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

.page-faq .faq-contact-item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--c-deep);
}

.page-faq .faq-contact-key {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-text-faint);
}

.page-faq .faq-contact-val {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-text);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-val.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  color: var(--c-cyan);
}

/* ---------- 相关入口 ---------- */
.page-faq .faq-next {
  padding: 50px 0 64px;
}

.page-faq .faq-next-list {
  display: grid;
  gap: 1px;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  background: var(--c-line-ink);
  border: 1px solid var(--c-line-ink);
}

.page-faq .faq-next-list li {
  background: var(--c-paper);
}

.page-faq .faq-next-list a {
  display: grid;
  gap: 6px;
  padding: 22px 20px 24px;
  text-decoration: none;
  color: var(--c-ink);
  transition: background var(--ease), box-shadow var(--ease);
}

.page-faq .faq-next-list a:hover,
.page-faq .faq-next-list a:focus-visible {
  background: var(--c-mist);
  box-shadow: inset 0 0 0 1px var(--c-deep);
}

.page-faq .faq-next-title {
  font-size: var(--fs-body);
  font-weight: 700;
}

.page-faq .faq-next-desc {
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--faq-ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-path-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-a {
    padding-left: 40px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 56px 0 72px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
  }

  .page-faq .faq-paths {
    padding: 64px 0 56px;
  }

  .page-faq .faq-body-grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 100px;
    padding: 18px;
  }

  .page-faq .faq-rail-list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail-list a {
    border-radius: 0;
    padding: 10px 12px;
  }

  .page-faq .faq-support {
    padding: 72px 0 76px;
  }

  .page-faq .faq-support-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-next {
    padding: 64px 0 84px;
  }

  .page-faq .faq-next-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-body-grid {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path,
  .page-faq .faq-rail-list a,
  .page-faq .faq-q-mark::before,
  .page-faq .faq-q-mark::after,
  .page-faq .faq-support-link,
  .page-faq .faq-next-list a,
  .page-faq .breadcrumb a {
    transition: none;
  }
}
<<<END>>>