.page-faq {
  --faq-card-bg: rgba(255, 255, 255, 0.86);
  --faq-soft-shadow: 5px 5px 0 rgba(18, 20, 23, 0.16);
  background: var(--charcoal);
  color: var(--mist);
  font-family: var(--font-body);
}

.page-faq .section {
  padding-block: clamp(44px, 6vw, 84px);
}

.page-faq .faq-hero {
  padding-block: clamp(20px, 3.5vw, 40px) clamp(44px, 6vw, 80px);
}

/* 面包屑 */
.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(24px, 3vw, 36px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-faq .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  color: var(--line);
}

.page-faq .breadcrumb-link {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-faq .breadcrumb-item [aria-current="page"] {
  color: var(--mist);
}

/* 首屏 */
.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-faq .faq-hero-copy h1 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-faq .faq-lede {
  max-width: 44ch;
  margin: 0;
  color: var(--steel);
  font-size: clamp(0.96rem, 1.5vw, 1.06rem);
  line-height: 1.8;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-faq .faq-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pulse);
  box-shadow: 0 0 0 4px rgba(125, 255, 106, 0.16);
  flex: none;
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: var(--bw) solid var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--slate);
  overflow: hidden;
}

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

/* 路径区 */
.page-faq .faq-paths-title {
  margin: 0 0 clamp(24px, 3.5vw, 36px);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.25;
  color: var(--mist);
  max-width: 26ch;
}

.page-faq .faq-path-grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-path-card {
  padding: clamp(18px, 2.4vw, 26px);
  border: var(--bw) solid var(--line);
  background: rgba(18, 20, 23, 0.55);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-path-card h3 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--mist);
  letter-spacing: 0.01em;
}

.page-faq .faq-path {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
}

.page-faq .faq-path-node {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: var(--bw) solid var(--line);
  background: var(--slate);
  color: var(--mist);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.4;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-path-node:hover,
.page-faq .faq-path-node:focus-visible {
  border-color: var(--signal);
  background: rgba(255, 107, 26, 0.12);
  transform: translateX(2px);
}

.page-faq .faq-path-num {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--signal);
  flex: none;
}

.page-faq .faq-path-arrow {
  align-self: center;
  color: var(--signal);
  font-size: 1.15rem;
  line-height: 1;
  transform: rotate(90deg);
  padding: 2px 0;
}

.page-faq .faq-path-note {
  margin: 16px 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--steel);
}

/* 问答主体 */
.page-faq .faq-body {
  color: var(--charcoal);
}

.page-faq .faq-body-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-faq .faq-rail {
  border: var(--bw) solid var(--charcoal);
  background: rgba(255, 255, 255, 0.55);
  padding: 16px;
}

.page-faq .faq-rail-title {
  margin: 0 0 12px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-rail-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail-link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 2px;
  border-bottom: 1px dashed rgba(18, 20, 23, 0.22);
  color: var(--charcoal);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.45;
  transition: color 0.16s ease, padding-left 0.16s ease;
}

.page-faq .faq-rail-link .mono {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  color: var(--signal);
  padding-left: 6px;
}

.page-faq .faq-rail-note {
  padding: 14px;
  border: var(--bw) solid var(--charcoal);
  border-left: 5px solid var(--signal);
  background: var(--mist);
}

.page-faq .faq-rail-note-title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.92rem;
  color: var(--charcoal);
}

.page-faq .faq-rail-note-text {
  margin: 0 0 12px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: #3a424b;
}

/* 索引片 */
.page-faq .faq-chips-block {
  margin-bottom: clamp(26px, 3.4vw, 38px);
}

.page-faq .faq-chips-label {
  margin: 0 0 10px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: var(--bw) solid var(--charcoal);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--charcoal);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  transition: background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: var(--signal);
  color: var(--charcoal);
  box-shadow: 3px 3px 0 rgba(18, 20, 23, 0.5);
}

/* 问题组 */
.page-faq .faq-group {
  margin-bottom: clamp(30px, 4vw, 46px);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-group-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 5px solid var(--signal);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.1rem, 2.1vw, 1.42rem);
  line-height: 1.3;
  color: var(--charcoal);
}

.page-faq .faq-group-title .mono {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  flex: none;
}

.page-faq .faq-item {
  margin-bottom: 10px;
  border: var(--bw) solid var(--charcoal);
  border-left: 5px solid var(--signal);
  background: var(--faq-card-bg);
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-item:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item[open] {
  box-shadow: var(--faq-soft-shadow);
}

.page-faq .faq-q {
  display: flex;
  align-items: baseline;
  gap: 11px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.96rem;
  line-height: 1.5;
  color: var(--charcoal);
}

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

.page-faq .faq-q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--signal);
  flex: none;
  padding-left: 10px;
}

.page-faq .faq-item[open] .faq-q::after {
  content: "−";
}

.page-faq .faq-q:hover {
  background: rgba(255, 107, 26, 0.09);
}

.page-faq .faq-q:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: -3px;
}

.page-faq .faq-num {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  flex: none;
}

.page-faq .faq-a {
  padding: 0 16px 16px;
  border-top: 1px dashed rgba(18, 20, 23, 0.25);
  margin-top: 0;
  padding-top: 12px;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: #333b44;
  max-width: 40ch;
}

/* 纠错通道 */
.page-faq .faq-fix-grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
  align-items: start;
}

.page-faq .faq-fix-figure {
  margin: 0;
  border: var(--bw) solid var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--slate);
  overflow: hidden;
}

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

.page-faq .faq-fix-copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.4rem, 3vw, 2.05rem);
  line-height: 1.25;
  color: var(--mist);
}

.page-faq .faq-fix-lede {
  margin: 0 0 20px;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--steel);
  max-width: 38ch;
}

.page-faq .faq-fix-list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-fix-list li {
  display: flex;
  align-items: baseline;
  gap: 11px;
  padding: 10px 14px;
  border: var(--bw) solid var(--line);
  background: var(--slate);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--steel);
}

.page-faq .faq-fix-list strong {
  color: var(--mist);
  font-weight: 700;
}

.page-faq .faq-fix-num {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--pulse);
  flex: none;
}

.page-faq .faq-info {
  margin: 0 0 22px;
  border-top: var(--bw) solid var(--line);
}

.page-faq .faq-info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 11px 0;
  border-bottom: var(--bw) solid var(--line);
}

.page-faq .faq-info-key {
  flex: none;
  min-width: 72px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding-top: 2px;
}

.page-faq .faq-info-value {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-faq .faq-info-value.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* 下一步 */
.page-faq .faq-next {
  color: var(--charcoal);
}

.page-faq .faq-next-title {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.25rem, 2.6vw, 1.8rem);
  line-height: 1.28;
  color: var(--charcoal);
}

.page-faq .faq-next-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
}

.page-faq .faq-next-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border: var(--bw) solid var(--charcoal);
  background: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  color: var(--charcoal);
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-next-card:hover,
.page-faq .faq-next-card:focus-visible {
  border-color: var(--signal);
  transform: translateY(-3px);
  box-shadow: var(--faq-soft-shadow);
}

.page-faq .faq-next-tag {
  align-self: flex-start;
  padding: 2px 8px;
  border: var(--bw) solid var(--charcoal);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--charcoal);
}

.page-faq .faq-next-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.4;
}

.page-faq .faq-next-desc {
  font-size: 0.84rem;
  line-height: 1.68;
  color: #3a424b;
}

/* 响应式 */
@media (min-width: 700px) {
  .page-faq .faq-path {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-faq .faq-path-node {
    flex: 1 1 130px;
    min-width: 0;
  }

  .page-faq .faq-path-arrow {
    transform: none;
    padding: 0 2px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-path-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  }

  .page-faq .faq-fix-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-faq .faq-a p {
    max-width: 52ch;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body-grid {
    grid-template-columns: minmax(0, 236px) minmax(0, 1fr);
    gap: clamp(28px, 3vw, 44px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 92px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path-node,
  .page-faq .faq-rail-link,
  .page-faq .faq-chip,
  .page-faq .faq-next-card,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-path-node:hover,
  .page-faq .faq-next-card:hover {
    transform: none;
  }
}
<<<END>>>