.page-faq {
  background: var(--paper-050);
  color: var(--text-ink);
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper-050);
  padding: 20px 0 48px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(124, 240, 220, 0.07) 0 1px, transparent 1px 56px);
  pointer-events: none;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb__link,
.page-faq .faq-hero .breadcrumb__current {
  color: var(--cyan-300);
}

.page-faq .faq-hero .breadcrumb__link {
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 240, 220, 0.4);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 22px;
}

.page-faq .faq-hero__lead .section-label {
  color: var(--cyan-300);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.page-faq .faq-hero__deck {
  margin: 18px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 243, 236, 0.82);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid rgba(124, 240, 220, 0.34);
  color: var(--paper-050);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--cyan-500);
  background: rgba(23, 224, 192, 0.12);
}

.page-faq .faq-jump__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber-500);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid rgba(23, 224, 192, 0.36);
  padding: 6px;
  background: rgba(12, 42, 34, 0.6);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__cap {
  margin-top: 8px;
  padding: 0 2px 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(245, 243, 236, 0.62);
}

/* ---------- 排查路径 ---------- */
.page-faq .faq-route {
  padding: 44px 0 52px;
  background: var(--mist-100);
}

.page-faq .faq-route__head {
  max-width: 54em;
}

.page-faq .faq-route__head .section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber-700);
}

.page-faq .faq-route__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-faq .faq-route__intro {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: #3a4a45;
}

.page-faq .route-map {
  position: relative;
  margin-top: 26px;
  padding: 20px 14px;
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid rgba(23, 224, 192, 0.26);
}

.page-faq .route-map__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  pointer-events: none;
}

.page-faq .route-steps {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .route-step {
  position: relative;
  padding: 16px 16px 18px;
  background: rgba(7, 26, 21, 0.76);
  border: 1px solid rgba(201, 211, 217, 0.18);
  border-top: 2px solid var(--cyan-500);
  color: var(--paper-050);
}

.page-faq .route-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber-500);
}

.page-faq .route-step h3 {
  margin: 6px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.01em;
}

.page-faq .route-step__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .route-step__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(245, 243, 236, 0.8);
}

.page-faq .route-step__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 1px;
  background: var(--cyan-300);
}

.page-faq .route-step__list--links li::before {
  background: var(--amber-500);
}

.page-faq .route-step__list--links a {
  color: var(--cyan-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 240, 220, 0.4);
}

.page-faq .route-step__list--links a:hover,
.page-faq .route-step__list--links a:focus-visible {
  border-bottom-color: var(--cyan-500);
  color: var(--paper-050);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-body {
  padding-bottom: 12px;
}

.page-faq .faq-toc {
  position: sticky;
  top: calc(var(--header-top-h) + 46px);
  z-index: 4;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 10px 0;
  background: var(--paper-050);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-faq .faq-toc .toc-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 10px;
  font-size: 13px;
  color: #45564f;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-toc .toc-link:hover,
.page-faq .faq-toc .toc-link:focus-visible {
  color: var(--text-ink);
}

.page-faq .faq-toc .toc-link.is-active {
  color: var(--text-ink);
  border-bottom-color: var(--cyan-500);
}

.page-faq .faq-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber-700);
}

.page-faq .faq-group {
  padding: 34px 0 30px;
}

.page-faq .faq-group + .faq-group {
  border-top: 14px solid var(--mist-100);
}

.page-faq .faq-group__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--amber-700);
}

.page-faq .faq-group__head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 5vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__note {
  margin: 10px 0 0;
  max-width: 44em;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.7;
  color: #3f514a;
}

.page-faq .faq-group .accordion {
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-group .faq-q {
  margin: 0;
  font-size: inherit;
  font-weight: 400;
}

.page-faq .faq-group .accordion__trigger {
  width: 100%;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 4px 15px 15px;
  background: transparent;
  border: 0;
  border-left: 2px solid transparent;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  color: var(--text-ink);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-group .accordion__trigger:hover {
  background: rgba(232, 237, 240, 0.55);
}

.page-faq .faq-group .accordion__trigger[aria-expanded="true"] {
  border-left-color: var(--cyan-500);
  background: rgba(232, 237, 240, 0.7);
}

.page-faq .faq-group .accordion__trigger:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 2px;
}

.page-faq .faq-group .accordion__icon {
  position: relative;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 0.3em;
  border: 1px solid var(--amber-700);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-group .accordion__icon::before,
.page-faq .faq-group .accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--amber-700);
  transform: translate(-50%, -50%);
}

.page-faq .faq-group .accordion__icon::before {
  width: 6px;
  height: 1px;
}

.page-faq .faq-group .accordion__icon::after {
  width: 1px;
  height: 6px;
  transition: opacity var(--dur) var(--ease);
}

.page-faq .faq-group .accordion__trigger[aria-expanded="true"] .accordion__icon {
  background: var(--cyan-500);
  border-color: var(--cyan-500);
}

.page-faq .faq-group .accordion__trigger[aria-expanded="true"] .accordion__icon::before,
.page-faq .faq-group .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  background: var(--ink-900);
}

.page-faq .faq-group .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  opacity: 0;
}

.page-faq .faq-group .accordion__panel {
  padding: 2px 4px 18px 17px;
  border-left: 2px solid rgba(23, 224, 192, 0.35);
}

.page-faq .faq-group .accordion__panel p {
  margin: 0 0 10px;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.8;
  color: #2b3b35;
}

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

.page-faq .faq-group .accordion__panel a {
  color: var(--amber-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 122, 22, 0.45);
}

.page-faq .faq-group .accordion__panel a:hover,
.page-faq .faq-group .accordion__panel a:focus-visible {
  border-bottom-color: var(--amber-700);
}

/* ---------- 术语对照 ---------- */
.page-faq .faq-terms {
  padding: 46px 0 50px;
  background: var(--ink-800);
  color: var(--paper-050);
}

.page-faq .faq-terms__grid {
  row-gap: 26px;
}

.page-faq .faq-terms__aside .section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan-300);
}

.page-faq .faq-terms__aside h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 5vw, 32px);
  line-height: 1.15;
  color: var(--paper-050);
}

.page-faq .faq-terms__aside p:last-child {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(245, 243, 236, 0.74);
}

.page-faq .faq-terms__list {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-faq .faq-term {
  padding: 14px 0;
  border-top: 1px solid rgba(201, 211, 217, 0.24);
}

.page-faq .faq-term dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-500);
}

.page-faq .faq-term dd {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 243, 236, 0.82);
}

/* ---------- 结尾 ---------- */
.page-faq .faq-next {
  padding: 40px 0 52px;
  background: var(--paper-050);
}

.page-faq .faq-next__inner {
  display: grid;
  gap: 22px;
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber-500);
  background: #fff;
}

.page-faq .faq-next__text h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 4.5vw, 28px);
  letter-spacing: -0.01em;
}

.page-faq .faq-next__text p {
  margin: 10px 0 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.75;
  color: #3a4a45;
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-next__actions .btn {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-next__actions .btn--amber {
  background: var(--amber-500);
  color: var(--ink-900);
  border-color: var(--amber-500);
}

.page-faq .faq-next__actions .btn--amber:hover,
.page-faq .faq-next__actions .btn--amber:focus-visible {
  background: #f7c563;
  transform: translateY(-1px);
}

.page-faq .faq-next__actions .btn--outline {
  background: transparent;
  color: var(--text-ink);
  border-color: #8fa39c;
}

.page-faq .faq-next__actions .btn--outline:hover,
.page-faq .faq-next__actions .btn--outline:focus-visible {
  border-color: var(--forest-600);
  transform: translateY(-1px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 26px 0 58px;
  }

  .page-faq .route-map {
    padding: 26px 22px;
  }

  .page-faq .route-step {
    padding: 18px 18px 20px;
  }

  .page-faq .faq-group {
    padding: 44px 0 38px;
  }

  .page-faq .faq-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 26px 26px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 44px;
    margin-top: 30px;
  }

  .page-faq .faq-hero__figure {
    margin-top: 6px;
  }

  .page-faq .route-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-faq .route-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 40px;
    right: -30px;
    width: 30px;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan-500), rgba(23, 224, 192, 0.12));
  }

  .page-faq .faq-terms__grid {
    align-items: start;
  }

  .page-faq .faq-terms__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-faq .faq-toc {
    top: calc(var(--header-top-h) + 56px);
  }

  .page-faq .faq-group .accordion__trigger {
    font-size: 16px;
    padding: 17px 6px 17px 18px;
  }

  .page-faq .faq-group .accordion__panel {
    padding-left: 20px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero h1 {
    font-size: 56px;
  }

  .page-faq .faq-hero__deck {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .route-step,
  .page-faq .faq-toc .toc-link,
  .page-faq .faq-group .accordion__trigger,
  .page-faq .faq-group .accordion__icon,
  .page-faq .faq-next__actions .btn {
    transition: none;
  }

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