.page-faq {
  --faq-card: #0e3557;
  --faq-line: rgba(31, 110, 156, 0.45);
  --faq-gap: clamp(16px, 3vw, 30px);
  padding-bottom: clamp(40px, 7vw, 84px);
}

.page-faq .faq-top {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  padding-top: 10px;
}

.page-faq .faq-hero__frame {
  position: relative;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(53, 224, 208, 0.16), transparent 60%),
    linear-gradient(160deg, var(--deep), var(--abyss));
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: clamp(150px, 24vw, 290px);
  object-fit: cover;
  opacity: 0.72;
}

.page-faq .faq-hero__body {
  position: relative;
  margin-top: clamp(-96px, -9vw, -54px);
  padding: 0 clamp(16px, 3vw, 36px) clamp(22px, 3.4vw, 38px);
}

.page-faq .faq-hero__title {
  margin: 8px 0 14px;
  font-size: clamp(27px, 4.4vw, 50px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--foam);
  text-shadow: 0 2px 18px rgba(4, 18, 31, 0.85);
}

.page-faq .faq-hero__lead {
  max-width: 38em;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: rgba(242, 247, 249, 0.88);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-top: 20px;
}

.page-faq .faq-hero__meta span {
  padding: 5px 11px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--glow-soft);
  background: rgba(4, 18, 31, 0.55);
  border: 1px solid rgba(53, 224, 208, 0.35);
  border-radius: 999px;
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-head {
  margin-bottom: var(--faq-gap);
}

.page-faq .faq-head__title {
  margin: 0 0 8px;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  color: var(--foam);
}

.page-faq .faq-head__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(242, 247, 249, 0.68);
}

/* ---------- 定位表 ---------- */
.page-faq .faq-locate {
  padding-top: clamp(30px, 5vw, 54px);
}

.page-faq .faq-locate__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-cell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 12px;
  padding: 15px 16px;
  text-decoration: none;
  color: var(--foam);
  background: linear-gradient(120deg, rgba(20, 71, 111, 0.78), rgba(11, 46, 79, 0.9));
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.page-faq .faq-cell:hover {
  transform: translateY(-3px);
  border-color: var(--glow);
  box-shadow: 0 10px 24px rgba(4, 18, 31, 0.55);
}

.page-faq .faq-cell:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}

.page-faq .faq-cell__idx {
  font-size: 13px;
  color: var(--glow);
  padding-top: 2px;
}

.page-faq .faq-cell__text {
  display: block;
}

.page-faq .faq-cell__text strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .faq-cell__text em {
  display: block;
  margin-top: 5px;
  font-style: normal;
  font-size: 12.5px;
  color: var(--glow-soft);
  letter-spacing: 0.02em;
}

.page-faq .faq-cell__arrow {
  font-size: 16px;
  color: var(--lane);
  line-height: 1;
  padding-top: 2px;
}

/* ---------- 波浪分隔 ---------- */
.page-faq .faq-wave {
  height: 24px;
  margin: clamp(20px, 4vw, 40px) auto;
  color: var(--lane);
  opacity: 0.75;
}

.page-faq .faq-wave svg {
  display: block;
  width: 100%;
  height: 24px;
}

/* ---------- 问答组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 120px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 6px 12px;
  padding-bottom: 12px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--faq-line);
  transition: border-color 200ms ease;
}

.page-faq .faq-group__no {
  font-size: 13px;
  color: var(--glow);
  letter-spacing: 0.08em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 800;
  color: var(--foam);
  transition: color 200ms ease;
}

.page-faq .faq-group__note {
  grid-column: 2;
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--lane);
}

.page-faq .faq-group:target .faq-group__head {
  border-bottom-color: var(--glow);
}

.page-faq .faq-group:target .faq-group__title {
  color: var(--glow);
}

.page-faq .faq-group__intro {
  max-width: 38em;
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(242, 247, 249, 0.82);
}

.page-faq .faq-group__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-faq .faq-group__aside img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--faq-line);
  opacity: 0.82;
}

.page-faq .faq-media__caption {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--lane);
  letter-spacing: 0.02em;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  background: rgba(20, 71, 111, 0.42);
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  transition: background 200ms ease, border-color 200ms ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item[open] {
  background: rgba(20, 71, 111, 0.8);
  border-left-color: var(--glow);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--foam);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.4;
  color: var(--lane);
  transition: color 200ms ease;
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--glow);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: -2px;
}

.page-faq .faq-item__idx {
  flex: none;
  font-size: 12.5px;
  color: var(--lane);
  padding-top: 3px;
  transition: color 200ms ease;
}

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

.page-faq .faq-item__a {
  padding: 0 16px 16px 16px;
  animation: faqRise 240ms ease-out;
}

.page-faq .faq-item__a p {
  max-width: 38em;
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 247, 249, 0.82);
}

.page-faq .faq-ask {
  display: inline-block;
  font-size: 13px;
  color: var(--glow-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(155, 243, 234, 0.5);
  padding-bottom: 1px;
}

.page-faq .faq-ask:hover {
  color: var(--glow);
  border-bottom-color: var(--glow);
}

.page-faq .faq-ask:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 3px;
}

@keyframes faqRise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 档位 ---------- */
.page-faq .faq-tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 22px;
}

.page-faq .faq-tier {
  padding: 14px 16px;
  background: linear-gradient(150deg, rgba(20, 71, 111, 0.72), rgba(11, 46, 79, 0.9));
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
}

.page-faq .faq-tier--wide {
  border-color: rgba(255, 107, 74, 0.45);
  border-style: dashed;
}

.page-faq .faq-tier__tag {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--glow);
  padding: 2px 8px;
  border: 1px solid rgba(53, 224, 208, 0.35);
  border-radius: 999px;
}

.page-faq .faq-tier p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 247, 249, 0.8);
}

/* ---------- 十二项清单 ---------- */
.page-faq .faq-checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 16px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-checklist li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(242, 247, 249, 0.86);
  border-bottom: 1px dashed rgba(31, 110, 156, 0.32);
}

.page-faq .faq-checklist li span {
  flex: none;
  font-size: 12px;
  color: var(--glow);
}

/* ---------- 工单区 ---------- */
.page-faq .faq-grid-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 22px;
}

.page-faq .faq-narr,
.page-faq .faq-data-panel {
  padding: 18px 18px 20px;
  border-radius: var(--radius);
}

.page-faq .faq-narr {
  background: linear-gradient(155deg, var(--deep), var(--abyss));
  border: 1px solid var(--faq-line);
}

.page-faq .faq-data-panel {
  background: linear-gradient(155deg, var(--tide), rgba(11, 46, 79, 0.95));
  border: 1px solid rgba(53, 224, 208, 0.25);
}

.page-faq .faq-sub {
  margin: 0 0 12px;
  padding-left: 10px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--foam);
  border-left: 4px solid var(--glow);
}

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

.page-faq .faq-bullets li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 247, 249, 0.82);
}

.page-faq .faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--glow);
  border-radius: 1px;
}

.page-faq .faq-data-panel__lead {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 247, 249, 0.84);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.page-faq .faq-stats dt {
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--glow-soft);
  margin-bottom: 2px;
}

.page-faq .faq-stats dd {
  margin: 0;
  font-size: 13px;
  color: rgba(242, 247, 249, 0.72);
}

.page-faq .faq-stat-num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.1;
  color: var(--foam);
  padding: 0 3px;
  background: rgba(53, 224, 208, 0.16);
  border-radius: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-locate__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-tier--wide {
    grid-column: 1 / -1;
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-group__body {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: start;
  }

  .page-faq .faq-group__aside {
    order: 2;
    position: sticky;
    top: 120px;
  }

  .page-faq .faq-grid-two {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 18px;
  }

  .page-faq .faq-hero__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-item__q {
    padding: 16px 20px;
  }

  .page-faq .faq-item__a {
    padding: 0 20px 18px 20px;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-group__body {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }

  .page-faq .faq-cell {
    transition: none;
  }

  .page-faq .faq-cell:hover {
    transform: none;
  }
}
<<<END>>>