.page-faq {
  --faq-rule: rgba(47, 230, 200, .20);
  --faq-gap: clamp(16px, 2.4vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-intro .breadcrumb {
  margin-bottom: 22px;
}

.page-faq .faq-intro__title {
  font-family: var(--font-sans);
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.14;
  letter-spacing: .02em;
  font-weight: 800;
  color: var(--chalk);
  max-width: 20em;
  margin: 12px 0 22px;
}

.page-faq .prose {
  max-width: 40em;
}

.page-faq .prose--lead {
  font-size: clamp(16px, 2.2vw, 18px);
  color: var(--chalk);
}

.page-faq .prose a,
.page-faq .faq-contact__note a {
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-rule);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .prose a:hover,
.page-faq .faq-contact__note a:hover {
  color: var(--cyan-300);
  border-bottom-color: var(--cyan-500);
}

/* ---------- 四步流程 ---------- */
.page-faq .faq-flow__head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-flow__head h2 {
  font-family: var(--font-sans);
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--chalk);
  margin: 10px 0 12px;
  max-width: 24em;
}

.page-faq .faq-flow__visual {
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.page-faq .faq-flow__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
}

.page-faq .faq-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-step a {
  display: block;
  padding: 16px 4px 18px;
  border-top: 1px solid var(--line-soft);
  text-decoration: none;
  color: inherit;
  transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-step a:hover {
  border-top-color: var(--cyan-500);
  background: rgba(47, 230, 200, .05);
  transform: translateY(-2px);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--gold-500);
  margin-bottom: 10px;
}

.page-faq .faq-step__name {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--chalk);
  margin-bottom: 6px;
}

.page-faq .faq-step__desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .faq-group__icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--faq-rule);
  border-radius: var(--r-sm);
  color: var(--cyan-500);
  background: rgba(47, 230, 200, .04);
}

.page-faq .faq-group__icon svg {
  width: 20px;
  height: 20px;
}

.page-faq .faq-group__body h2 {
  font-family: var(--font-sans);
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.3;
  color: var(--chalk);
  margin: 8px 0 10px;
}

.page-faq .faq-group__body .prose {
  font-size: 15px;
  color: var(--mist);
  max-width: 44em;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--faq-rule);
}

.page-faq .qa[open] {
  border-color: var(--cyan-500);
  background: linear-gradient(180deg, rgba(47, 230, 200, .05), transparent 70%), var(--ink-800);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--chalk);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan-500);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--gold-500);
}

.page-faq .qa__idx {
  flex: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
  padding-top: 4px;
}

.page-faq .qa[open] .qa__idx {
  color: var(--gold-500);
}

.page-faq .qa__a {
  margin: 0 18px;
  padding: 14px 0 20px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 42em;
}

.page-faq .qa__a a {
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-rule);
}

/* ---------- 版本号区块 ---------- */
.page-faq .faq-version {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-bottom: clamp(18px, 3vw, 24px);
}

.page-faq .faq-version__num {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--faq-rule);
  border-radius: var(--r-md);
  background:
    linear-gradient(155deg, rgba(242, 162, 52, .10), transparent 62%),
    var(--ink-800);
}

.page-faq .faq-version__label {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-faq .faq-version__value {
  font-family: var(--font-num);
  font-size: clamp(42px, 10vw, 64px);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--gold-500);
}

.page-faq .faq-version__parts {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan-300);
}

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

.page-faq .faq-version__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 36px);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--faq-rule);
  border-radius: var(--r-md);
  background:
    linear-gradient(135deg, rgba(242, 162, 52, .10), transparent 58%),
    var(--ink-800);
}

.page-faq .faq-contact__lead h2 {
  font-family: var(--font-sans);
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.28;
  color: var(--chalk);
  margin: 10px 0 12px;
  max-width: 20em;
}

.page-faq .faq-contact__lead .btn {
  margin-top: 8px;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-contact__list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-contact__k {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-faq .faq-contact__v {
  font-size: 14px;
  color: var(--chalk);
  word-break: break-word;
}

.page-faq .faq-contact__v.num {
  font-family: var(--font-num);
}

.page-faq .faq-contact__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-flow__steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-version {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: stretch;
  }

  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-faq .faq-group__head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-flow__steps {
    grid-template-columns: repeat(4, 1fr);
  }
}
</PAGE_CSS>>>