.page-faq [id] {
  scroll-margin-top: calc(var(--topbar-h) + 1.25rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.25rem, 3vw, 2rem) clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--edge);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18rem;
  right: -14rem;
  width: 42rem;
  height: 42rem;
  background: radial-gradient(circle at center, rgba(76, 154, 255, 0.22), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2rem, 5.6vw, 3.6rem);
  line-height: 1.18;
  letter-spacing: 0.005em;
  margin: 0.7rem 0 1rem;
  color: var(--snow-050);
  text-wrap: balance;
}

.page-faq .faq-h1-mark {
  color: var(--saffron-500);
}

.page-faq .faq-hero .lede {
  max-width: 34em;
  margin: 0;
  color: var(--mist-100);
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.8;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted-400);
}

.page-faq .faq-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.page-faq .faq-hero-facts .mono {
  color: var(--saffron-500);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-hero-media {
  position: relative;
  margin: 0;
  padding: 1.25rem 0.5rem 0.5rem;
  border: 1px solid var(--edge-strong);
  border-radius: 2px;
  background: linear-gradient(160deg, rgba(17, 42, 87, 0.92), rgba(6, 19, 46, 0.92));
  box-shadow: 0 24px 60px rgba(3, 10, 26, 0.55);
}

.page-faq .faq-hero-media::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  right: 0.5rem;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--sky-500) 0 20%,
    var(--snow-050) 20% 40%,
    var(--saffron-500) 40% 60%,
    var(--prayer-green-600) 60% 80%,
    var(--vermillion-600) 80% 100%
  );
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 1px;
}

/* ---------- 六条路标 ---------- */
.page-faq .faq-routes {
  padding-block: clamp(2.5rem, 6vw, 4rem);
  border-bottom: 1px solid var(--edge);
}

.page-faq .faq-routes-head {
  margin-bottom: 1.75rem;
}

.page-faq .faq-routes-head .section-title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.2vw, 1.95rem);
  line-height: 1.35;
  margin: 0.45rem 0 0;
  color: var(--snow-050);
}

.page-faq .faq-route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
}

.page-faq .faq-route {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx label"
    "idx desc";
  gap: 0.15rem 0.9rem;
  padding: 1rem 1.1rem 1rem 1.15rem;
  border: 1px solid var(--edge);
  border-left: 3px solid var(--faq-accent, var(--sky-500));
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(17, 42, 87, 0.55), rgba(11, 27, 58, 0.55));
  color: var(--snow-050);
  text-decoration: none;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-route:hover,
.page-faq .faq-route:focus-visible {
  transform: translateY(-2px);
  border-color: var(--edge-strong);
  background: linear-gradient(180deg, rgba(17, 42, 87, 0.9), rgba(11, 27, 58, 0.85));
}

.page-faq .faq-route-index {
  grid-area: idx;
  align-self: start;
  padding-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--faq-accent, var(--sky-500));
}

.page-faq .faq-route-label {
  grid-area: label;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.4;
}

.page-faq .faq-route-desc {
  grid-area: desc;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted-400);
}

.page-faq .faq-route-list > li:nth-child(1) .faq-route { --faq-accent: var(--sky-500); }
.page-faq .faq-route-list > li:nth-child(2) .faq-route { --faq-accent: var(--snow-050); }
.page-faq .faq-route-list > li:nth-child(3) .faq-route { --faq-accent: var(--saffron-500); }
.page-faq .faq-route-list > li:nth-child(4) .faq-route { --faq-accent: var(--prayer-green-600); }
.page-faq .faq-route-list > li:nth-child(5) .faq-route { --faq-accent: var(--turquoise-500); }
.page-faq .faq-route-list > li:nth-child(6) .faq-route { --faq-accent: var(--vermillion-600); }

/* ---------- 主体：窄栏目录 + 长文问答 ---------- */
.page-faq .faq-body {
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

.page-faq .faq-toc {
  border-left: 1px solid var(--edge);
  padding-left: 1rem;
}

.page-faq .faq-toc-title {
  margin: 0 0 0.85rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-400);
}

.page-faq .faq-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  counter-reset: none;
}

.page-faq .faq-toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding-bottom: 0.15rem;
  font-size: 0.86rem;
  color: var(--mist-100);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-toc-list a:hover,
.page-faq .faq-toc-list a:focus-visible {
  color: var(--saffron-500);
  border-bottom-color: var(--saffron-500);
}

.page-faq .faq-toc-list .mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sky-500);
}

.page-faq .faq-group {
  padding-bottom: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
  border-top: 1px solid var(--edge);
}

.page-faq .faq-group-title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.22rem, 3vw, 1.7rem);
  line-height: 1.4;
  margin: 0.45rem 0 1.15rem;
  color: var(--snow-050);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  margin-bottom: 0.65rem;
  border: 1px solid var(--edge);
  border-radius: 2px;
  background: rgba(11, 27, 58, 0.5);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-q[open] {
  border-color: var(--edge-strong);
  background: rgba(17, 42, 87, 0.6);
}

.page-faq .faq-q .disclosure-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
  padding: 1rem 1.1rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--snow-050);
}

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

.page-faq .faq-q-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--sky-500);
}

.page-faq .faq-q-sign {
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--saffron-500);
}

.page-faq .faq-q-sign::before {
  content: "+";
}

.page-faq .faq-q[open] .faq-q-sign::before {
  content: "−";
}

.page-faq .faq-q[open] .faq-q-sign {
  color: var(--turquoise-500);
}

.page-faq .faq-q .disclosure-body {
  padding: 0 1.1rem 1.15rem;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--mist-100);
}

.page-faq .faq-q .disclosure-body p {
  max-width: 42em;
  margin: 0 0 0.7rem;
}

.page-faq .faq-q .disclosure-body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-q .disclosure-body .link-more {
  color: var(--sky-500);
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0.2rem 0 0.85rem;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 1.95rem;
  counter-increment: faqstep;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 0.1rem;
  display: grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(76, 154, 255, 0.16);
  color: var(--sky-500);
  border: 1px solid rgba(76, 154, 255, 0.42);
}

.page-faq .faq-steps li.is-key::before {
  background: rgba(242, 184, 75, 0.18);
  color: var(--saffron-500);
  border-color: rgba(242, 184, 75, 0.48);
}

.page-faq .faq-plain {
  margin: 0.2rem 0 0.85rem;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.4rem;
}

.page-faq .faq-plain li {
  list-style: square;
}

.page-faq .faq-plain strong {
  color: var(--snow-050);
  font-weight: 600;
}

/* ---------- 换机步骤表 ---------- */
.page-faq .faq-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0.2rem 0 0.9rem;
}

.page-faq .faq-step-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.page-faq .faq-step-table caption {
  padding-bottom: 0.5rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted-400);
}

.page-faq .faq-step-table th,
.page-faq .faq-step-table td {
  padding: 0.55rem 0.6rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--edge);
}

.page-faq .faq-step-table thead th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--muted-400);
}

.page-faq .faq-step-table tbody th {
  font-weight: 500;
  color: var(--snow-050);
}

.page-faq .faq-step-table td:first-child {
  width: 2.2rem;
  font-family: var(--font-num);
  font-size: 1.3rem;
  line-height: 1.2;
  color: var(--saffron-500);
}

.page-faq .faq-step-table tr.is-key {
  background: rgba(242, 184, 75, 0.09);
}

.page-faq .faq-step-table tr.is-key td:first-child {
  color: var(--vermillion-600);
}

.page-faq .faq-figure {
  margin: 1.15rem 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--edge);
  border-radius: 2px;
}

.page-faq .faq-figure figcaption {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  color: var(--muted-400);
}

/* ---------- 工具分段切换 ---------- */
.page-faq .faq-tools {
  margin: 1rem 0 0.4rem;
}

.page-faq .faq-tools .segment {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.page-faq .faq-tools .segment-tab {
  appearance: none;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--edge);
  border-radius: 2px;
  background: rgba(11, 27, 58, 0.7);
  color: var(--mist-100);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-tools .segment-tab:hover,
.page-faq .faq-tools .segment-tab[aria-selected="true"] {
  background: rgba(76, 154, 255, 0.16);
  border-color: rgba(76, 154, 255, 0.5);
  color: var(--snow-050);
}

.page-faq .faq-tools .segment-panel {
  padding-top: 0.15rem;
}

.page-faq .faq-tool-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.7rem;
}

.page-faq .faq-tool {
  padding: 0.15rem 0 0.15rem 0.8rem;
  border-left: 2px solid var(--turquoise-500);
}

.page-faq .faq-tool h4 {
  margin: 0 0 0.2rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--snow-050);
}

.page-faq .faq-tool p {
  margin: 0;
  max-width: 34em;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--mist-100);
}

/* ---------- 加载与兼容数字 ---------- */
.page-faq .faq-facts {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.page-faq .faq-facts li {
  padding-top: 0.6rem;
  border-top: 2px solid var(--sky-500);
}

.page-faq .faq-facts li:nth-child(2) {
  border-top-color: var(--saffron-500);
}

.page-faq .faq-facts li:nth-child(3) {
  border-top-color: var(--turquoise-500);
}

.page-faq .faq-fact-num {
  display: block;
  font-family: var(--font-num);
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--snow-050);
}

.page-faq .faq-fact-num small {
  margin-left: 0.2rem;
  font-size: 0.88rem;
  color: var(--muted-400);
}

.page-faq .faq-fact-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--mist-100);
}

/* ---------- 仍需帮助 ---------- */
.page-faq .faq-help {
  padding-block: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(17, 42, 87, 0.35), transparent 72%);
}

.page-faq .faq-help-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

.page-faq .faq-help h2 {
  margin: 0.5rem 0 0.8rem;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  line-height: 1.35;
  color: var(--snow-050);
}

.page-faq .faq-help-copy p {
  max-width: 34em;
  margin: 0 0 1.1rem;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--mist-100);
}

.page-faq .faq-help-copy .btn {
  margin-bottom: 1.1rem;
}

.page-faq .faq-help-note {
  padding-left: 0.85rem;
  border-left: 2px solid var(--saffron-500);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--muted-400);
}

.page-faq .faq-contact {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--edge-strong);
}

.page-faq .faq-contact > div {
  display: grid;
  grid-template-columns: 6rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--edge);
}

.page-faq .faq-contact dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  color: var(--muted-400);
}

.page-faq .faq-contact dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--snow-050);
  word-break: break-word;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-tool-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 3rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 1.5rem);
  }

  .page-faq .faq-toc-list {
    display: grid;
    gap: 0.7rem;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-route-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-route,
  .page-faq .faq-q,
  .page-faq .faq-toc-list a,
  .page-faq .faq-tools .segment-tab {
    transition: none;
  }

  .page-faq .faq-route:hover,
  .page-faq .faq-route:focus-visible {
    transform: none;
  }
}