.page-faq {
  --faq-hair-dark: 1px solid rgba(199, 205, 214, 0.18);
  --faq-hair-light: 1px solid rgba(11, 14, 19, 0.12);
  --faq-hair-deep: 1px solid rgba(199, 205, 214, 0.22);
  --faq-mini: 12px;
}

/* ---------- 首屏 ---------- */

.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0 10px;
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--faq-mini);
  letter-spacing: 0.1em;
  color: var(--on-dark-3);
}

.page-faq .crumbs a {
  color: var(--on-dark-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .crumbs a:hover {
  color: var(--aurora);
  border-bottom-color: var(--aurora);
}

.page-faq .crumbs li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(199, 205, 214, 0.4);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-hero-kicker {
  margin: 0 0 16px;
  font-size: var(--faq-mini);
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 10vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--on-dark);
}

.page-faq .faq-hero-lede {
  margin: 0;
  padding-left: 20px;
  border-left: 1px solid rgba(52, 226, 198, 0.5);
  font-size: 16px;
  line-height: 1.85;
  color: var(--on-dark-2);
}

/* ---------- 定位图 + 快速三问 ---------- */

.page-faq .faq-banner {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: var(--faq-hair-light);
  background: var(--white);
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-banner-cap {
  margin: 12px 0 0;
  font-size: var(--faq-mini);
  line-height: 1.7;
  color: var(--rock);
}

.page-faq .faq-quick-head {
  margin-top: 56px;
}

.page-faq .section--ink .sec-index,
.page-faq .section--deep .sec-index {
  color: var(--gold);
}

.page-faq .quick-list {
  display: grid;
  grid-template-columns: 1fr;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--faq-hair-light);
}

.page-faq .quick-item {
  padding: 26px 0 30px;
  border-bottom: var(--faq-hair-light);
}

.page-faq .quick-num {
  margin: 0;
  font-size: var(--faq-mini);
  letter-spacing: 0.16em;
  color: var(--gold-2);
}

.page-faq .quick-a {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 5.4vw, 30px);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-faq .quick-go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--aurora-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.18s var(--ease);
}

.page-faq .quick-go::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-faq .quick-go:hover {
  border-bottom-color: var(--aurora-2);
}

/* ---------- 分组问答 ---------- */

.page-faq .group-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 32px 0 0;
  padding: 14px 0;
  border-top: var(--faq-hair-light);
  border-bottom: var(--faq-hair-light);
}

.page-faq .group-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 13px;
  color: var(--rock);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .group-jump a .mono {
  font-size: 11px;
  color: var(--gold-2);
}

.page-faq .group-jump a:hover {
  color: var(--aurora-2);
  border-bottom-color: var(--aurora-2);
}

.page-faq .group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 40px 0;
  border-top: var(--faq-hair-light);
}

.page-faq .group:first-of-type {
  border-top: none;
}

.page-faq .group-index {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold-2);
}

.page-faq .group-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-faq .qa {
  position: relative;
  padding-left: 18px;
  border-bottom: var(--faq-hair-light);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--aurora);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.26s var(--ease);
}

.page-faq .qa[open]::before {
  transform: scaleY(1);
}

.page-faq .qa summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 36px 18px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--rock);
  transition: color 0.18s var(--ease);
}

.page-faq .qa[open] summary::after {
  content: "−";
  color: var(--aurora-2);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--aurora-2);
  outline-offset: 2px;
}

.page-faq .qa-num {
  flex: none;
  min-width: 48px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-faq .qa-title {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .qa-body {
  padding: 0 36px 20px 0;
}

.page-faq .qa-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--rock);
}

.page-faq .qa-body .mono {
  color: var(--gold-2);
  font-size: 14px;
}

/* ---------- 术语表 ---------- */

.page-faq .faq-terms .sec-title {
  color: var(--on-dark);
}

.page-faq .faq-terms .sec-note {
  color: var(--on-dark-2);
}

.page-faq .term-list {
  display: grid;
  grid-template-columns: 1fr;
  margin: 40px 0 0;
  border-top: var(--faq-hair-deep);
}

.page-faq .term {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: var(--faq-hair-deep);
}

.page-faq .term dt {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .term dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--on-dark-2);
}

.page-faq .term dd .mono {
  color: var(--aurora);
  font-size: 14px;
  letter-spacing: 0.04em;
}

.page-faq .term-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 7px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--on-dark-3);
  border: 1px solid rgba(199, 205, 214, 0.28);
}

/* ---------- 属地协助 ---------- */

.page-faq .local-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-faq .local-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 36px;
  border-top: var(--faq-hair-light);
}

.page-faq .local-col {
  padding: 24px 0 28px;
  border-bottom: var(--faq-hair-light);
}

.page-faq .local-col-index {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--faq-mini);
  letter-spacing: 0.16em;
}

.page-faq .local-col--yes .local-col-index {
  color: var(--aurora-2);
}

.page-faq .local-col--no .local-col-index {
  color: var(--gold-2);
}

.page-faq .local-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .local-col li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

.page-faq .local-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--rock);
}

.page-faq .local-col--yes li {
  color: var(--ink);
}

.page-faq .local-col--yes li::before {
  background: var(--aurora-2);
}

.page-faq .local-note {
  margin: 28px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(11, 14, 19, 0.24);
  font-size: 15px;
  line-height: 1.85;
  color: var(--rock);
}

.page-faq .local-link {
  color: var(--aurora-2);
  text-decoration: none;
  border-bottom: 1px solid var(--aurora-2);
}

.page-faq .local-figure {
  margin: 0;
  border: var(--faq-hair-light);
  background: var(--white);
}

.page-faq .local-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 结尾引导 ---------- */

.page-faq .faq-next-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-next-line {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 7vw, 44px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--on-dark);
}

.page-faq .faq-next-text {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--on-dark-2);
}

/* ---------- 平板 ---------- */

@media (min-width: 680px) {
  .page-faq .faq-banner {
    aspect-ratio: 10 / 3;
  }

  .page-faq .local-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 48px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 56px;
  }

  .page-faq .quick-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: none;
  }

  .page-faq .quick-item {
    padding: 30px 32px 40px;
    border-bottom: none;
    border-top: var(--faq-hair-light);
  }

  .page-faq .quick-item:first-child {
    padding-left: 0;
  }

  .page-faq .quick-item:last-child {
    padding-right: 0;
  }

  .page-faq .quick-item + .quick-item {
    border-left: var(--faq-hair-light);
  }

  .page-faq .group {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 48px;
    padding: 56px 0;
  }

  .page-faq .group-side {
    position: sticky;
    top: calc(var(--head-h) + 28px);
    align-self: start;
  }

  .page-faq .group-name {
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 0.3em;
    font-size: 19px;
  }

  .page-faq .qa summary {
    padding: 20px 40px 20px 0;
  }

  .page-faq .qa-body {
    padding: 0 40px 22px 0;
  }

  .page-faq .term {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 40px;
    padding: 24px 0;
  }

  .page-faq .local-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .local-figure {
    position: sticky;
    top: calc(var(--head-h) + 28px);
  }

  .page-faq .faq-next-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 64px;
    align-items: end;
  }
}

@media (min-width: 1200px) {
  .page-faq .group {
    grid-template-columns: 156px minmax(0, 1fr);
    gap: 64px;
  }
}

/* ---------- 减少动态效果 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa::before,
  .page-faq .qa summary::after,
  .page-faq .quick-go,
  .page-faq .crumbs a,
  .page-faq .group-jump a {
    transition: none;
  }

  .page-faq .qa::before {
    transform: none;
    opacity: 0;
  }

  .page-faq .qa[open]::before {
    transform: none;
    opacity: 1;
  }
}
<<<END>>>