.page-faq {
  --faq-gap: clamp(20px, 3.5vw, 40px);
  --faq-pad: clamp(16px, 3vw, 28px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: clamp(16px, 3vw, 28px) 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue-gray);
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--steel);
}

.page-faq .breadcrumb-item a {
  color: var(--blue-gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .breadcrumb-item a:hover,
.page-faq .breadcrumb-item a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-faq .breadcrumb-item [aria-current="page"] {
  color: var(--fog);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(24px, 4vw, 48px) clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--steel);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--fog);
  max-width: 18ch;
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 60ch;
  color: var(--blue-gray);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-hero-media {
  border: 1px solid var(--steel);
  box-shadow: 8px 8px 0 rgba(46, 242, 194, 0.1);
  background: var(--ink-2);
  margin: 0;
  overflow: hidden;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

.page-faq .media-frame-caption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--blue-gray);
  border-top: 1px solid var(--steel);
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  padding-block: clamp(28px, 4.5vw, 56px);
}

.page-faq .faq-rail {
  border-left: 3px solid var(--mint);
  padding-left: 16px;
}

.page-faq .faq-rail-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-rail-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--steel);
  background: rgba(14, 32, 56, 0.6);
  color: var(--fog);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-rail-list a:hover,
.page-faq .faq-rail-list a:focus-visible {
  border-color: var(--mint);
  color: var(--mint);
  background: var(--ink-2);
}

.page-faq .faq-rail-num {
  color: var(--mint);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-rail-note {
  margin: 18px 0 0;
  color: var(--blue-gray);
  font-size: 12px;
  line-height: 1.7;
  max-width: 30ch;
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-bottom: clamp(28px, 4vw, 48px);
  margin-bottom: clamp(24px, 3.5vw, 44px);
  border-bottom: 1px solid var(--steel);
}

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

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 20px;
}

.page-faq .faq-group-index {
  display: inline-block;
  padding: 4px 8px;
  border: 1px solid var(--mint);
  color: var(--mint);
  font-size: 13px;
  line-height: 1.4;
}

.page-faq .faq-group-head .section-title {
  margin: 0;
  font-size: clamp(24px, 4.5vw, 40px);
  line-height: 1.14;
  color: var(--fog);
}

.page-faq .faq-group-head .note {
  margin: 8px 0 0;
  color: var(--blue-gray);
  font-size: 13px;
  line-height: 1.7;
  max-width: 52ch;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--steel);
  background: var(--ink-2);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(46, 242, 194, 0.45);
}

.page-faq .faq-item[open] {
  border-color: var(--mint);
  box-shadow: 6px 6px 0 rgba(46, 242, 194, 0.08);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 18px;
  gap: 12px;
  align-items: baseline;
  padding: 16px var(--faq-pad);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--mint);
}

.page-faq .faq-item[open] summary::after {
  content: "\2212";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--mint-soft);
  outline-offset: 2px;
}

.page-faq .faq-num {
  font-size: clamp(20px, 4vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--steel);
  letter-spacing: 0.02em;
}

.page-faq .faq-item[open] .faq-num {
  color: var(--amber);
}

.page-faq .faq-q {
  font-size: clamp(15px, 2.4vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--fog);
}

.page-faq .faq-a {
  padding: 0 var(--faq-pad) 20px calc(var(--faq-pad) + 4px);
  max-width: 70ch;
  color: var(--blue-gray);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-a a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 194, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  color: var(--mint-soft);
  border-bottom-color: var(--mint-soft);
}

/* ---------- 内嵌价格引用卡 ---------- */
.page-faq .faq-price-card {
  margin-top: 14px;
  border: 2px solid var(--amber);
  background: var(--ink);
}

.page-faq .faq-price-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 14px;
  align-items: baseline;
  padding: 10px 14px;
  border-bottom: 1px solid var(--steel);
}

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

.page-faq .faq-price-tier {
  color: var(--fog);
  font-size: 14px;
  font-weight: 700;
}

.page-faq .faq-price-value {
  color: var(--amber);
  font-size: 16px;
  text-align: right;
}

.page-faq .faq-price-alt {
  grid-column: 2;
  color: var(--blue-gray);
  font-size: 12px;
  text-align: right;
}

/* ---------- 旧版回溯图 ---------- */
.page-faq .faq-archive-media {
  margin: 0 0 16px;
  border: 1px solid var(--coral);
  background: var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-archive-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 8 / 5;
}

.page-faq .faq-archive-media .media-frame-caption {
  border-top-color: rgba(255, 107, 94, 0.4);
  color: var(--coral);
}

/* ---------- 联系提示 ---------- */
.page-faq .faq-contact-note {
  margin: 16px 0 0;
  padding: 14px var(--faq-pad);
  border-left: 3px solid var(--mint);
  background: rgba(14, 32, 56, 0.7);
  color: var(--blue-gray);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-contact-note a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 194, 0.45);
}

.page-faq .faq-contact-note a:hover,
.page-faq .faq-contact-note a:focus-visible {
  color: var(--mint-soft);
}

/* ---------- 出口区 ---------- */
.page-faq .faq-exit-grid {
  display: grid;
  gap: 12px;
}

.page-faq .faq-exit-card {
  display: grid;
  gap: 8px;
  padding: 18px var(--faq-pad);
  border: 1px solid var(--steel);
  background: var(--ink-2);
  color: var(--blue-gray);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-exit-card strong {
  color: var(--fog);
  font-size: 18px;
  line-height: 1.3;
}

.page-faq .faq-exit-card span:last-child {
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .faq-exit-card .tag {
  justify-self: start;
}

.page-faq .faq-exit-card:hover,
.page-faq .faq-exit-card:focus-visible {
  border-color: var(--mint);
  background: var(--ink);
  transform: translateY(-2px);
}

.page-faq .faq-exit-card--coral:hover,
.page-faq .faq-exit-card--coral:focus-visible {
  border-color: var(--coral);
}

.page-faq .faq-foot {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-faq .faq-foot a {
  color: var(--blue-gray);
  text-decoration: none;
  border-bottom: 1px solid var(--steel);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-foot a:hover,
.page-faq .faq-foot a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }

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

  .page-faq .faq-price-row {
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .page-faq .faq-price-alt {
    grid-column: auto;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 28px;
  }

  .page-faq .faq-rail-list {
    flex-direction: column;
    gap: 6px;
  }

  .page-faq .faq-rail-list a {
    width: 100%;
    border-color: transparent;
    border-left: 1px solid var(--steel);
    background: transparent;
    padding: 8px 10px;
  }

  .page-faq .faq-rail-list a:hover,
  .page-faq .faq-rail-list a:focus-visible {
    border-left-color: var(--mint);
    background: rgba(14, 32, 56, 0.8);
  }

  .page-faq .faq-body {
    padding-left: clamp(8px, 2vw, 24px);
  }

  .page-faq .faq-item summary {
    padding: 20px clamp(20px, 2.5vw, 32px);
  }

  .page-faq .faq-a {
    padding-left: calc(clamp(20px, 2.5vw, 32px) + 46px);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero h1 {
    max-width: 16ch;
  }

  .page-faq .faq-hero-media {
    margin-bottom: -8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-exit-card:hover,
  .page-faq .faq-exit-card:focus-visible {
    transform: none;
  }
}
<<<END>>>