.page-faq {
  --faq-rule: var(--line-paper);
  --faq-ink-soft: rgba(36, 26, 18, 0.66);
  --faq-accent: var(--lake-blue);
  background: var(--paper);
  color: var(--paper-ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-faq .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 3rem) 0 clamp(3.5rem, 10vw, 6.5rem);
  color: var(--paper);
  background:
    radial-gradient(115% 85% at 90% 6%, rgba(47, 232, 206, 0.15), transparent 58%),
    radial-gradient(95% 80% at 4% 96%, rgba(30, 127, 191, 0.34), transparent 62%),
    var(--ink-night);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -34%;
  width: 78%;
  height: 74%;
  background: linear-gradient(115deg, rgba(47, 232, 206, 0.2), rgba(30, 127, 191, 0.04) 70%);
  clip-path: polygon(22% 0, 100% 0, 74% 100%, 0 100%);
  pointer-events: none;
}

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

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 clamp(1.6rem, 4vw, 2.4rem);
  padding: 0;
  list-style: none;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .breadcrumb-item + .breadcrumb-item::before,
.page-faq .breadcrumb-current::before {
  content: "/";
  margin-right: 0.55rem;
  color: rgba(168, 182, 198, 0.55);
}

.page-faq .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: var(--cyber-cyan);
  border-color: var(--cyber-cyan);
}

.page-faq .breadcrumb-current {
  color: var(--paper);
}

.page-faq .faq-eyebrow {
  margin: 0 0 1.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--sand-gold);
}

.page-faq .faq-title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(2.3rem, 8.4vw, 5.4rem);
  font-weight: 200;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: clamp(1.3rem, 3.4vw, 2rem) 0 0;
  max-width: 36rem;
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-lede strong {
  font-weight: 600;
  color: var(--sand-gold);
}

.page-faq .faq-hero-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: clamp(1.8rem, 5vw, 2.8rem);
}

.page-faq .faq-hero-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.78rem 1.35rem;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid rgba(246, 239, 226, 0.28);
  border-radius: 2px;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-hero-link:hover,
.page-faq .faq-hero-link:focus-visible {
  color: var(--cyber-cyan);
  border-color: var(--cyber-cyan);
}

.page-faq .faq-hero-link--solid {
  color: var(--ink-deep);
  background: var(--sand-gold);
  border-color: var(--sand-gold);
  font-weight: 600;
}

.page-faq .faq-hero-link--solid:hover,
.page-faq .faq-hero-link--solid:focus-visible {
  color: var(--ink-deep);
  background: #f2c286;
  border-color: #f2c286;
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-index {
  background: var(--paper-deep);
  border-bottom: 1px solid var(--line-paper);
  padding: clamp(1.1rem, 3vw, 1.7rem) 0;
}

.page-faq .faq-index-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1.6rem;
}

.page-faq .faq-index-label {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: rgba(36, 26, 18, 0.45);
}

.page-faq .faq-index-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.28rem 0;
  font-size: 0.92rem;
  color: var(--paper-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index-list a .mono {
  font-size: 0.66rem;
  color: var(--lake-blue);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--lake-blue);
  border-color: var(--lake-blue);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding: clamp(3rem, 9vw, 7rem) 0;
  border-top: 1px solid var(--line-paper);
  scroll-margin-top: calc(var(--header-h-compact) + 1rem);
}

.page-faq .faq-index + .faq-group {
  border-top: 0;
}

.page-faq .faq-group-inner {
  display: grid;
  gap: clamp(1.8rem, 5vw, 3rem);
}

.page-faq .faq-group-num {
  display: block;
  margin-bottom: 0.9rem;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--lake-blue);
}

.page-faq .faq-group-num--ember {
  color: var(--ember);
}

.page-faq .faq-group-title {
  margin: 0;
  font-size: clamp(2.3rem, 8.5vw, 4.8rem);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.03em;
}

.page-faq .faq-group-note {
  margin: 1.1rem 0 0;
  max-width: 24rem;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-figure {
  position: relative;
  margin: clamp(1.4rem, 4vw, 2.2rem) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85);
  border: 1px solid var(--line-paper);
}

.page-faq .faq-figure .img-caption {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--faq-ink-soft);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-item:first-child {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 0;
  font-size: clamp(1rem, 2.3vw, 1.08rem);
  font-weight: 500;
  line-height: 1.65;
  color: inherit;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-q:hover .faq-q-text {
  color: var(--lake-blue);
}

.page-faq .faq-q-text {
  transition: color 0.2s var(--ease);
}

.page-faq .faq-plus {
  position: relative;
  flex: 0 0 auto;
  width: 13px;
  height: 13px;
  margin-top: 0.52em;
  color: var(--faq-accent);
}

.page-faq .faq-plus::before,
.page-faq .faq-plus::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background: currentColor;
  transform: translateY(-50%);
  transition: transform 0.28s var(--ease), opacity 0.28s var(--ease);
}

.page-faq .faq-plus::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-plus::after {
  opacity: 0;
  transform: translateY(-50%) rotate(-90deg);
}

.page-faq .faq-a {
  padding: 0 0 1.4rem calc(13px + 1rem);
  max-width: 40rem;
}

.page-faq .faq-item[open] .faq-a {
  animation: faqAnswerIn 0.3s var(--ease) both;
}

@keyframes faqAnswerIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.88;
  color: var(--faq-ink-soft);
}

.page-faq .faq-next {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.95rem;
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--lake-blue);
  text-decoration: none;
  background: rgba(30, 127, 191, 0.07);
  border: 1px solid rgba(30, 127, 191, 0.32);
  border-radius: 2px;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-next span {
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-next:hover,
.page-faq .faq-next:focus-visible {
  background: rgba(30, 127, 191, 0.16);
  border-color: var(--lake-blue);
}

.page-faq .faq-next:hover span {
  transform: translateX(3px);
}

/* ---------- 暗场分组 ---------- */
.page-faq .faq-group--dark {
  --faq-rule: var(--line-dark);
  --faq-ink-soft: var(--mist);
  --faq-accent: var(--cyber-cyan);
  color: var(--paper);
  background:
    linear-gradient(180deg, rgba(13, 10, 28, 0.94), rgba(27, 18, 54, 0.98)),
    var(--ink-night);
  border-top-color: var(--line-dark);
}

.page-faq .faq-group--dark .faq-group-num {
  color: var(--cyber-cyan);
}

.page-faq .faq-group--dark .faq-q:hover .faq-q-text {
  color: var(--cyber-cyan);
}

.page-faq .faq-group--dark .faq-next {
  color: var(--sand-gold);
  background: rgba(233, 179, 106, 0.08);
  border-color: rgba(233, 179, 106, 0.34);
}

.page-faq .faq-group--dark .faq-next:hover,
.page-faq .faq-group--dark .faq-next:focus-visible {
  background: rgba(233, 179, 106, 0.18);
  border-color: var(--sand-gold);
}

/* ---------- 底部反馈 ---------- */
.page-faq .faq-feedback {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 9vw, 6.5rem) 0 clamp(2.8rem, 8vw, 5rem);
  color: var(--paper);
  background: linear-gradient(155deg, var(--ink-deep) 0%, var(--ink-night) 58%, #221641 100%);
}

.page-faq .faq-feedback::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyber-cyan), rgba(233, 179, 106, 0.6) 55%, transparent);
}

.page-faq .faq-feedback-inner {
  display: grid;
  gap: clamp(2rem, 6vw, 3.5rem);
  align-items: end;
}

.page-faq .faq-feedback-eyebrow {
  margin: 0 0 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--sand-gold);
}

.page-faq .faq-feedback-title {
  margin: 0;
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  font-weight: 200;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-faq .faq-feedback-lede {
  margin: 1rem 0 0;
  max-width: 30rem;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-contact {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.8rem;
  max-width: 30rem;
}

.page-faq .faq-contact-item {
  display: grid;
  gap: 0.25rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-contact-label {
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--lake-light);
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: 0.94rem;
  letter-spacing: 0.04em;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  margin: 1.2rem 0 0;
  max-width: 30rem;
  font-size: 0.8rem;
  line-height: 1.8;
  color: rgba(168, 182, 198, 0.9);
}

.page-faq .faq-feedback-btn {
  margin-top: 1.6rem;
}

.page-faq .faq-texture {
  position: relative;
  margin: 0;
  max-width: 26rem;
  justify-self: start;
}

.page-faq .faq-texture img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 50%;
  opacity: 0.78;
  filter: saturate(0.9);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-index-inner {
    flex-wrap: nowrap;
  }

  .page-faq .faq-index-list {
    gap: 0.4rem 2rem;
  }

  .page-faq .faq-feedback-inner {
    grid-template-columns: 7fr 5fr;
  }

  .page-faq .faq-texture {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-group-inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(2.5rem, 6vw, 5.5rem);
    align-items: start;
  }

  .page-faq .faq-group-head {
    position: sticky;
    top: calc(var(--header-h-compact) + 2.5rem);
    align-self: start;
  }

  .page-faq .faq-group-note {
    margin-top: 1.4rem;
  }

  .page-faq .faq-q {
    padding: 1.35rem 0;
  }

  .page-faq .faq-a {
    padding-bottom: 1.7rem;
  }

  .page-faq .faq-feedback-inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    gap: clamp(3rem, 7vw, 6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-a {
    animation: none;
  }

  .page-faq .faq-plus::before,
  .page-faq .faq-plus::after,
  .page-faq .faq-next span,
  .page-faq .faq-q-text {
    transition: none;
  }
}
<<<END>>>