.page-faq {
  --faq-gap: clamp(36px, 6vw, 76px);
  --faq-accent: var(--green);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .section {
  padding-block: var(--faq-gap);
  position: relative;
}

.page-faq .section + .section {
  border-top: 1px solid var(--line-soft);
}

.page-faq h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
  color: var(--paper);
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding-top: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(28px, 4vw, 52px);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.6vw, 84px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 16px 0 0;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 40em;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.78;
  color: var(--text-soft);
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}

.page-faq .faq-hero__meta-item b {
  color: var(--green);
  font-weight: 600;
  margin-right: 4px;
}

/* ---------- 章节题头 ---------- */
.page-faq .faq-head {
  max-width: 42em;
}

.page-faq .faq-head__sub {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 症状标签 ---------- */
.page-faq .faq-symptoms {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-symptom {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(28, 74, 87, 0.6);
  color: var(--paper);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-symptom__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}

.page-faq .faq-symptom:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 208, 138, 0.55);
  background: rgba(28, 74, 87, 0.85);
}

.page-faq .faq-symptom:hover .faq-symptom__code {
  color: var(--green);
}

.page-faq .faq-symptom--hot {
  border-color: rgba(232, 163, 61, 0.5);
}

.page-faq .faq-symptom--hot .faq-symptom__code {
  color: var(--amber);
}

/* ---------- 图形与三步 ---------- */
.page-faq .faq-figure {
  margin: clamp(30px, 5vw, 52px) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-faq .faq-figure--map img {
  aspect-ratio: 5 / 3;
}

.page-faq .fig-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}

.page-faq .faq-path {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: none;
}

.page-faq .faq-path__step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  align-items: start;
  padding-top: 16px;
  border-top: 2px solid var(--line-strong);
}

.page-faq .faq-path__step:first-child {
  border-top-color: var(--green);
}

.page-faq .faq-path__num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--green);
}

.page-faq .faq-path__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 文档分组 ---------- */
.page-faq .faq-group {
  margin-top: clamp(36px, 6vw, 68px);
  padding-top: 20px;
  border-top: 2px solid var(--line-strong);
  scroll-margin-top: 104px;
}

.page-faq #group-entry {
  --faq-accent: var(--amber);
  border-top-color: rgba(232, 163, 61, 0.6);
}

.page-faq #group-verify {
  --faq-accent: var(--indigo);
  border-top-color: rgba(62, 109, 150, 0.7);
}

.page-faq #group-page {
  --faq-accent: var(--wine);
  border-top-color: rgba(122, 46, 58, 0.9);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
}

.page-faq .faq-group__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  padding: 4px 10px;
  border-radius: var(--radius);
  background: var(--faq-accent);
  color: var(--ink);
  font-weight: 600;
}

.page-faq .faq-group__title {
  font-size: clamp(18px, 2.6vw, 26px);
  flex: 1 1 240px;
}

.page-faq .faq-group__count {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}

.page-faq .faq-doc-list {
  margin-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-doc {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-doc > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 4px 12px;
  padding: 15px 0;
  transition: background-color 0.18s ease;
}

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

.page-faq .faq-doc > summary:hover {
  background: rgba(28, 74, 87, 0.35);
}

.page-faq .faq-doc__num {
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--faq-accent);
  padding-top: 3px;
}

.page-faq .faq-doc__title {
  grid-column: 2;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-doc__meta {
  grid-column: 2;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}

.page-faq .faq-doc__mark::before {
  content: "+";
  font-size: 15px;
  color: var(--faq-accent);
}

.page-faq .faq-doc[open] .faq-doc__mark::before {
  content: "−";
}

.page-faq .faq-doc__body {
  margin: 0 0 18px;
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--faq-accent);
  display: grid;
  gap: 10px;
}

.page-faq .faq-doc__row {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-faq .faq-doc__label {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--faq-accent);
}

.page-faq .faq-doc__actions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  counter-reset: faq-act;
}

.page-faq .faq-doc__actions li {
  counter-increment: faq-act;
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-doc__actions li::before {
  content: counter(faq-act);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--faq-accent);
}

/* ---------- 五段结构 ---------- */
.page-faq .faq-structure__steps {
  margin-top: clamp(26px, 4vw, 44px);
}

/* ---------- 对照两栏 ---------- */
.page-faq .faq-decide__grid {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  gap: 14px;
}

.page-faq .faq-col {
  padding: 22px 20px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .faq-col--self {
  border-color: rgba(47, 208, 138, 0.42);
  background: linear-gradient(180deg, rgba(47, 208, 138, 0.1), rgba(15, 53, 66, 0.9));
}

.page-faq .faq-col--ask {
  border-color: rgba(232, 163, 61, 0.42);
  background: linear-gradient(180deg, rgba(232, 163, 61, 0.1), rgba(15, 53, 66, 0.9));
}

.page-faq .faq-col__title {
  font-size: 18px;
  margin-bottom: 14px;
}

.page-faq .faq-col--self .faq-col__title {
  color: var(--green);
}

.page-faq .faq-col--ask .faq-col__title {
  color: var(--amber);
}

.page-faq .faq-col__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-col__list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-faq .faq-col__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 1px;
  background: var(--text-mute);
}

.page-faq .faq-decide__note {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 44em;
}

.page-faq .faq-decide__links {
  margin: 20px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 相关入口 ---------- */
.page-faq .faq-more__list {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-more__item {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-more__link {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease;
}

.page-faq .faq-more__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--indigo);
}

.page-faq .faq-more__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-faq .faq-more__link:hover {
  transform: translateX(4px);
}

.page-faq .faq-more__link:hover .faq-more__tag {
  color: var(--green);
}

.page-faq .faq-more__link:hover .faq-more__text {
  color: var(--paper);
}

.page-faq .faq-more__foot {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--text-mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-path {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-faq .faq-path__step {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-faq .faq-doc > summary {
    grid-template-columns: 48px 1fr auto;
    align-items: baseline;
    gap: 0 16px;
    padding: 16px 0;
  }

  .page-faq .faq-doc__num {
    grid-row: auto;
    padding-top: 2px;
  }

  .page-faq .faq-doc__title {
    grid-column: auto;
  }

  .page-faq .faq-doc__meta {
    grid-column: 3;
  }

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

  .page-faq .faq-more__link {
    grid-template-columns: 170px 1fr;
    align-items: baseline;
    gap: 0 20px;
    padding: 18px 0;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero__title {
    font-size: clamp(56px, 6.4vw, 84px);
  }

  .page-faq .faq-doc__title {
    font-size: 17px;
  }

  .page-faq .faq-doc > summary {
    padding: 18px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-symptom,
  .page-faq .faq-more__link,
  .page-faq .faq-doc > summary {
    transition: none;
  }

  .page-faq .faq-symptom:hover,
  .page-faq .faq-more__link:hover {
    transform: none;
  }
}
<<<END>>>