.page-faq {
  --faq-gap: clamp(20px, 3.4vw, 44px);
  --faq-panel-radius: var(--radius-m);
  --faq-side-w: 244px;
  --faq-ink-soft: rgba(32, 24, 19, .78);
  --faq-paper-soft: rgba(244, 235, 221, .72);
}

/* 首屏 */
.page-faq .faq-hero {
  padding-block: clamp(20px, 3.4vw, 44px) clamp(30px, 5vw, 68px);
}
.page-faq .faq-hero__label {
  margin: clamp(20px, 3vw, 34px) 0 14px;
  color: var(--shallow);
}
.page-faq .faq-hero h1 {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 8.4vw, 104px);
  line-height: 1.02;
  letter-spacing: -.04em;
  color: var(--paper);
}
.page-faq .faq-hero__accent {
  color: var(--shallow);
  font-size: clamp(24px, 4.2vw, 54px);
  letter-spacing: -.02em;
  display: inline-block;
  margin-top: 8px;
}
.page-faq .faq-hero__lead {
  max-width: 62ch;
  margin: 0;
  font-size: var(--step-body);
  line-height: 1.8;
  color: var(--faq-paper-soft);
}
.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: clamp(16px, 2.2vw, 22px) 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--haze);
}
.page-faq .faq-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.page-faq .faq-hero__meta .num {
  font-size: 22px;
  font-weight: 700;
  color: var(--leyu);
  line-height: 1;
}

/* 快捷索引 */
.page-faq .faq-index {
  padding-block: clamp(26px, 4vw, 58px);
}
.page-faq .faq-index__grid {
  display: grid;
  gap: var(--faq-gap);
}
.page-faq .faq-compass {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 46% 50% 44% 52% / 50% 44% 52% 46%;
  background:
    radial-gradient(circle at 32% 26%, rgba(24, 167, 159, .32), transparent 62%),
    radial-gradient(circle at 74% 78%, rgba(255, 107, 74, .18), transparent 58%),
    var(--ink-2);
  aspect-ratio: 1 / 1;
  max-width: 340px;
  width: 100%;
  justify-self: start;
}
.page-faq .faq-compass img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .92;
}
.page-faq .faq-index__body h2 {
  margin: 12px 0 10px;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--paper);
}
.page-faq .faq-index__note {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-size: 14px;
  color: var(--haze);
}
.page-faq .faq-chips {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-chips a {
  display: grid;
  gap: 4px;
  padding: 15px 18px 17px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(11, 77, 90, .3);
  text-decoration: none;
  color: var(--paper);
  transition: border-color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease);
}
.page-faq .faq-chips a:hover,
.page-faq .faq-chips a:focus-visible {
  border-color: var(--leyu);
  background: rgba(24, 167, 159, .16);
  transform: translateY(-2px);
}
.page-faq .faq-chips__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--leyu);
}
.page-faq .faq-chips__title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}
.page-faq .faq-chips__desc {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(244, 235, 221, .7);
}

/* 主体：索引栏 + 问答面板 */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  padding-block: clamp(24px, 3.6vw, 52px);
  align-items: start;
}
.page-faq .faq-side__inner {
  padding: 20px 20px 22px;
  border-radius: var(--faq-panel-radius);
  background: linear-gradient(160deg, rgba(11, 77, 90, .95), rgba(7, 42, 58, .95));
  border: 1px solid var(--line);
}
.page-faq .faq-side__label {
  margin: 0 0 14px;
  color: var(--shallow);
}
.page-faq .faq-side__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-side__list li {
  flex: 0 0 auto;
}
.page-faq .faq-side__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  border-color: var(--leyu);
  background: rgba(24, 167, 159, .18);
}
.page-faq .faq-side__list span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--leyu);
}
.page-faq .faq-side__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--haze);
}
.page-faq .faq-side__foot a {
  color: var(--shallow);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-side__mail {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper);
  word-break: break-all;
}

/* 问答面板 */
.page-faq .faq-panel {
  padding: clamp(20px, 3.2vw, 46px);
  border-radius: var(--faq-panel-radius);
  background: var(--paper);
  color: var(--brown);
}
.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4.4vw, 56px);
  padding-top: clamp(24px, 3.4vw, 40px);
  border-top: 1px solid var(--line-ink);
}
.page-faq .faq-group__label {
  margin: 0 0 10px;
  color: var(--tide);
}
.page-faq .faq-group h2 {
  margin: 0 0 8px;
  font-size: clamp(23px, 2.9vw, 34px);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--brown);
}
.page-faq .faq-group__intro {
  margin: 0 0 clamp(10px, 1.6vw, 16px);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-ink);
}
.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.55;
  color: var(--brown);
  transition: color .2s var(--ease);
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--tide);
}
.page-faq .faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--tide);
}
.page-faq .faq-item[open] summary::after {
  content: "−";
}
.page-faq .faq-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--leyu);
  letter-spacing: .06em;
}
.page-faq .faq-item__a {
  padding: 0 0 20px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}
.page-faq .faq-item__a p {
  margin: 0 0 10px;
}
.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__a a {
  color: var(--tide);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-next {
  padding-left: 12px;
  border-left: 2px solid var(--coral);
  font-size: 13.5px;
  color: var(--brown);
}

/* 排查清单 */
.page-faq .faq-checklist {
  margin-block: clamp(30px, 5vw, 68px);
  padding-block: clamp(28px, 4.6vw, 64px);
  background: linear-gradient(180deg, rgba(7, 42, 58, .9), rgba(4, 20, 31, .2));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-checklist__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
}
.page-faq .faq-checklist__figure {
  margin: 0;
}
.page-faq .faq-checklist__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-organic);
  border: 1px solid var(--line);
}
.page-faq .faq-checklist__figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--haze);
}
.page-faq .faq-checklist__body h2 {
  margin: 12px 0 clamp(16px, 2.4vw, 26px);
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--paper);
}
.page-faq .faq-checklist__body .index-label {
  color: var(--shallow);
}
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}
.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .faq-steps__no {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--leyu);
}
.page-faq .faq-steps h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .faq-steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--haze);
}

/* 联系卡 */
.page-faq .faq-reach-wrap {
  padding-block: clamp(24px, 4vw, 60px) clamp(30px, 5vw, 72px);
}
.page-faq .faq-reach {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  padding: clamp(22px, 3.4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--faq-panel-radius);
  background:
    radial-gradient(circle at 88% 12%, rgba(255, 107, 74, .22), transparent 55%),
    linear-gradient(140deg, var(--tide), var(--ink-2) 72%);
}
.page-faq .faq-reach__text h2 {
  margin: 10px 0 12px;
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--paper);
}
.page-faq .faq-reach .index-label {
  color: var(--coral-mist);
}
.page-faq .faq-reach__text p {
  max-width: 58ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-paper-soft);
}
.page-faq .faq-reach__addr {
  margin-top: 12px !important;
  font-family: var(--font-mono);
  font-size: 13px !important;
  color: var(--shallow) !important;
}
.page-faq .faq-reach__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 640px) {
  .page-faq .faq-chips {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .faq-index__grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: center;
  }
  .page-faq .faq-checklist__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-faq .faq-reach {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
  .page-faq .faq-reach__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 56px);
  }
  .page-faq .faq-side__inner {
    position: sticky;
    top: 84px;
    padding: 22px 20px 24px;
  }
  .page-faq .faq-side__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }
  .page-faq .faq-side__list li {
    flex: none;
  }
  .page-faq .faq-side__list a {
    display: flex;
    width: 100%;
    padding: 10px 12px;
    border: 0;
    border-radius: 8px;
    font-size: 13.5px;
    white-space: normal;
  }
  .page-faq .faq-side__list a:hover,
  .page-faq .faq-side__list a:focus-visible {
    background: rgba(24, 167, 159, .2);
  }
  .page-faq .faq-hero h1 {
    max-width: 18ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chips a,
  .page-faq .faq-side__list a,
  .page-faq .faq-item summary {
    transition: none;
  }
}
<<<END>>>