.page-faq {
  --faq-line: rgba(20, 24, 30, 0.12);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
}

.page-faq .section {
  padding: clamp(44px, 6vw, 84px) 0;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(217, 180, 74, 0.16), transparent 58%),
    var(--ink);
  color: var(--paper);
  padding: clamp(112px, 13vw, 170px) 0 clamp(52px, 7vw, 86px);
}

.page-faq .faq-hero__shape {
  position: absolute;
  top: -12%;
  right: -16%;
  width: min(66vw, 760px);
  height: 128%;
  background: linear-gradient(158deg, rgba(184, 57, 43, 0.5), rgba(31, 54, 82, 0.06) 64%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 84%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .eyebrow {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-hero__title {
  margin: 14px 0 20px;
  font-size: clamp(32px, 6vw, 66px);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.12;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  max-width: 620px;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(245, 241, 232, 0.82);
}

.page-faq .faq-hero__jump {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__jump-link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(217, 180, 74, 0.42);
  background: rgba(31, 54, 82, 0.55);
  color: var(--paper);
  font-size: 14px;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-hero__jump-link em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-hero__jump-link:hover {
  background: rgba(184, 57, 43, 0.55);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-faq .faq-hero__jump-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-faq .faq-hero__stats {
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(217, 180, 74, 0.28);
  display: flex;
  flex-wrap: wrap;
  gap: 22px 48px;
}

.page-faq .faq-hero__stat dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-hero__stat dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--gold);
}

/* 五组分类 */
.page-faq .faq-map__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-faq .faq-map__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 176px;
  padding: 22px 22px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background: var(--paper-2);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-map__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(14, 27, 44, 0.14);
  border-color: rgba(217, 180, 74, 0.6);
}

.page-faq .faq-map__card:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-faq .faq-map__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cinnabar);
}

.page-faq .faq-map__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-faq .faq-map__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-map__foot {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--faq-line);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-map__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-2);
}

.page-faq .faq-map__figure .media-frame__caption {
  padding: 10px 14px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* 对照区 */
.page-faq .faq-desk__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 28px;
}

.page-faq .faq-rail {
  border-radius: var(--radius-xl);
  background: var(--ink);
  color: var(--paper);
  padding: 24px 22px 22px;
}

.page-faq .faq-rail__label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-rail__node {
  position: relative;
  padding: 0 0 24px 44px;
}

.page-faq .faq-rail__node:last-child {
  padding-bottom: 0;
}

.page-faq .faq-rail__node::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 30px;
  bottom: 2px;
  width: 1px;
  background: repeating-linear-gradient(to bottom, rgba(217, 180, 74, 0.55) 0 4px, transparent 4px 10px);
}

.page-faq .faq-rail__node:last-child::before {
  display: none;
}

.page-faq .faq-rail__dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  border: 1px solid rgba(217, 180, 74, 0.65);
  background: var(--ink-deep);
  color: var(--gold);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.page-faq .faq-rail__dot.is-primary {
  background: var(--celadon);
  border-color: var(--celadon);
  color: var(--ink-deep);
}

.page-faq .faq-rail__link {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-rail__link:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .faq-rail__link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-faq .faq-rail__hint {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-rail__figure {
  margin: 22px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-2);
}

.page-faq .faq-rail__figure .media-frame__caption {
  padding: 9px 12px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-panel {
  display: grid;
  gap: 34px;
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 110px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-group__num {
  grid-row: span 2;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-group:has(.faq-item[open]) .faq-group__num {
  background: var(--celadon);
  color: var(--ink-deep);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-faq .faq-group__intro {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: flex-start;
  padding: 18px 34px 18px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink);
  transition: color 0.2s ease;
}

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

.page-faq .faq-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 3px;
  background: rgba(20, 24, 30, 0.1);
  transition: background 0.2s ease;
}

.page-faq .faq-item[open] .faq-item__q::before {
  background: var(--cinnabar);
}

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cinnabar);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
}

.page-faq .faq-item__q:hover {
  color: var(--cinnabar-deep);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 6px;
}

.page-faq .faq-item__a {
  padding: 0 16px 20px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 12px;
}

.page-faq .faq-item__a a {
  color: var(--cinnabar-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 42, 32, 0.35);
}

.page-faq .faq-item__a a:hover {
  border-bottom-color: var(--cinnabar-deep);
}

.page-faq .faq-item__a a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-faq .steps__num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(217, 180, 74, 0.6);
  background: rgba(217, 180, 74, 0.22);
  color: var(--cinnabar-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
}

.page-faq .steps__text {
  margin: 0;
}

.page-faq .faq-note {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid rgba(95, 145, 130, 0.6);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* 联系准备 */
.page-faq .faq-prep__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: clamp(26px, 4vw, 48px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(184, 57, 43, 0.32), transparent 62%),
    var(--ink);
  color: var(--paper);
}

.page-faq .faq-prep__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-prep__title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .faq-prep__text {
  max-width: 560px;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(245, 241, 232, 0.78);
}

.page-faq .faq-prep__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-prep__list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.9);
}

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

.page-faq .faq-prep__meta {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-prep__actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-prep__more {
  padding-top: 18px;
  border-top: 1px solid rgba(217, 180, 74, 0.3);
}

.page-faq .faq-prep__more-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-prep__more ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .faq-prep__more a {
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 241, 232, 0.28);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.page-faq .faq-prep__more a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-faq .faq-prep__actions .btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

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

@media (min-width: 900px) {
  .page-faq .faq-prep__card {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-prep__more {
    padding: 0 0 0 28px;
    border-top: 0;
    border-left: 1px solid rgba(217, 180, 74, 0.3);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-map__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-desk__layout {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}