.page-faq {
  --faq-index-w: 236px;
  --faq-flow-gap: 26px;
  background: var(--c-cream);
  color: var(--c-ink);
}

.page-faq .breadcrumb {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 22px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-faq .faq-hero__copy .eyebrow {
  color: var(--c-jade);
  letter-spacing: 0.1em;
  margin: 0 0 12px;
  font-size: var(--fs-12);
  text-transform: uppercase;
}

.page-faq .h-hero {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.05rem, 6vw, 3.55rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--c-deep);
}

.page-faq .faq-hero__copy .lede {
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--c-ink);
  max-width: 34em;
  margin: 0 0 24px;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-hero__stats > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-faq .faq-hero__stats dt {
  margin: 0;
  font-size: var(--fs-22);
  font-weight: 700;
  color: var(--c-deep);
  letter-spacing: 0.01em;
}

.page-faq .faq-hero__stats > div:nth-child(1) dt { color: var(--c-jade); }
.page-faq .faq-hero__stats > div:nth-child(2) dt { color: var(--c-deep); }
.page-faq .faq-hero__stats > div:nth-child(3) dt { color: var(--c-coral); }

.page-faq .faq-hero__stats dd {
  margin: 0;
  font-size: var(--fs-12);
  color: var(--c-rock);
  line-height: 1.5;
}

.page-faq .faq-hero__figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-deep) 0%, var(--c-night) 45%, var(--c-clay) 100%);
  aspect-ratio: 12 / 7;
}

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(215deg, rgba(217, 164, 65, 0.22) 0%, rgba(11, 30, 60, 0) 55%);
  pointer-events: none;
}

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

/* ---------- 过滤条 ---------- */
.page-faq .faq-filterzone {
  padding-top: 0;
}

.page-faq .faq-filterzone__hint {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-rock);
}

.page-faq .faq-filterzone .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .filter-bar .chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--c-line);
  background: var(--c-paper);
  color: var(--c-deep);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.2;
  cursor: pointer;
  transition: border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease),
    color var(--dur-1) var(--ease);
}

.page-faq .filter-bar .chip__count {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--c-rock);
}

.page-faq .filter-bar .chip:hover {
  border-color: var(--c-gold);
}

.page-faq .filter-bar .chip[aria-pressed="true"] {
  background: var(--c-deep);
  border-color: var(--c-deep);
  color: var(--c-cream);
}

.page-faq .filter-bar .chip[aria-pressed="true"] .chip__count {
  color: var(--c-gold-soft);
}

.page-faq .filter-empty {
  margin: 14px 0 0;
  padding: 14px 18px;
  border-left: 4px solid var(--c-clay);
  background: rgba(181, 113, 79, 0.08);
  color: var(--c-ink);
  font-size: var(--fs-14);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: 8px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-faq .faq-index {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--c-paper);
  padding: 18px 18px 20px;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-rock);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-faq .faq-index__list a {
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: baseline;
  gap: 8px;
  padding: 9px 8px;
  border-radius: var(--radius-sm);
  color: var(--c-deep);
  text-decoration: none;
  font-size: var(--fs-14);
  line-height: 1.45;
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

.page-faq .faq-index__list a .mono {
  font-size: var(--fs-12);
  color: var(--c-clay);
}

.page-faq .faq-index__list a:hover {
  background: rgba(46, 139, 122, 0.1);
  color: var(--c-jade);
}

.page-faq .faq-index__list a:hover .mono {
  color: var(--c-jade);
}

/* ---------- 分组 ---------- */
.page-faq .faq-flow {
  display: grid;
  gap: 48px;
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--frame-bar-h) + 22px);
}

.page-faq .faq-group__head {
  position: relative;
  padding-left: 56px;
  margin-bottom: 20px;
}

.page-faq .faq-group__num {
  position: absolute;
  left: 0;
  top: 4px;
  font-size: var(--fs-22);
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: 0.02em;
}

.page-faq .faq-group__head .h-section {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.2;
  margin: 0 0 8px;
  color: var(--c-deep);
}

.page-faq .faq-group__head p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-rock);
  max-width: 34em;
}

.page-faq .faq-group--switch .faq-group__num { color: var(--c-coral); }
.page-faq .faq-group--help .faq-group__num { color: var(--c-jade); }

.page-faq .faq-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--c-line);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--c-line);
  background: transparent;
  transition: background var(--dur-1) var(--ease);
}

.page-faq .qa[open] {
  background: var(--c-paper);
}

.page-faq .qa__q {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 40px 1fr 22px;
  align-items: baseline;
  gap: 8px;
  padding: 15px 6px;
  color: var(--c-deep);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-17);
  line-height: 1.5;
  transition: color var(--dur-1) var(--ease), padding var(--dur-1) var(--ease);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__mark {
  font-size: var(--fs-12);
  font-weight: 600;
  color: var(--c-rock);
  letter-spacing: 0.04em;
}

.page-faq .qa__text {
  min-width: 0;
}

.page-faq .qa__q::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--c-jade);
  line-height: 1;
  transition: transform var(--dur-2) var(--ease), color var(--dur-1) var(--ease);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--c-gold);
}

.page-faq .qa__q:hover {
  color: var(--c-jade);
}

.page-faq .qa__a {
  padding: 0 6px 20px 54px;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--c-ink);
  animation: faq-drop var(--dur-2) var(--ease);
}

.page-faq .qa__a > p {
  margin: 0 0 12px;
  max-width: 34em;
}

.page-faq .qa__a > p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__a a {
  color: var(--c-jade);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__a a:hover {
  color: var(--c-clay);
}

.page-faq .qa__steps {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .qa__steps li {
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 8px;
  align-items: baseline;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-ink);
  padding-left: 0;
}

.page-faq .qa__steps li .mono {
  font-size: var(--fs-12);
  color: var(--c-gold);
  font-weight: 700;
}

.page-faq .qa__notes {
  list-style: none;
  margin: 0 0 4px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 34em;
}

.page-faq .qa__notes li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-faq .qa__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 2px;
  background: var(--c-coral);
}

@keyframes faq-drop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 切换示意图 ---------- */
.page-faq .faq-diagram {
  margin: 16px 0 0;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  padding: 12px;
}

.page-faq .faq-diagram svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-diagram figcaption {
  margin: 8px 2px 0;
  font-size: var(--fs-12);
  color: var(--c-rock);
  line-height: 1.6;
}

/* ---------- 求助区 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: 16px;
}

.page-faq .faq-help__panel {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-faq .faq-help__panel:nth-child(1) { border-top: 4px solid var(--c-jade); }
.page-faq .faq-help__panel:nth-child(2) { border-top: 4px solid var(--c-gold); }
.page-faq .faq-help__panel--wide { border-top: 4px solid var(--c-coral); }

.page-faq .faq-help__panel .h-card {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--fs-22);
  margin: 0;
  color: var(--c-deep);
}

.page-faq .faq-help__value {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--c-night);
  word-break: break-all;
}

.page-faq .faq-help__panel p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-ink);
  max-width: 34em;
}

.page-faq .faq-help__panel a {
  color: var(--c-jade);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__panel .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.page-faq .faq-help__foot {
  margin: 18px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-rock);
}

.page-faq .faq-help__foot a {
  color: var(--c-jade);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 32px;
  }

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

  .page-faq .faq-help__panel--wide {
    grid-column: 1 / -1;
  }

  .page-faq .faq-index {
    padding: 20px 22px 22px;
  }

  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 12px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--frame-bar-h) + 26px);
    padding: 22px 20px 24px;
  }

  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-faq .faq-index__list a {
    grid-template-columns: 26px 1fr;
    padding: 8px 6px;
    font-size: var(--fs-14);
  }

  .page-faq .faq-hero__copy .lede {
    font-size: var(--fs-17);
  }

  .page-faq .qa__q {
    grid-template-columns: 46px 1fr 24px;
    padding: 17px 8px;
    font-size: var(--fs-22);
    font-weight: 700;
  }

  .page-faq .qa__q::after {
    font-size: var(--fs-22);
  }

  .page-faq .qa__a {
    padding: 0 8px 24px 62px;
  }

  .page-faq .qa__a > p,
  .page-faq .qa__notes {
    max-width: 38em;
  }

  .page-faq .faq-group__head {
    padding-left: 68px;
    margin-bottom: 24px;
  }

  .page-faq .faq-group__num {
    font-size: var(--fs-30);
    top: 0;
  }

  .page-faq .faq-help__panel {
    padding: 26px 24px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-flow {
    gap: 56px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__a {
    animation: none;
  }

  .page-faq .qa__q,
  .page-faq .filter-bar .chip,
  .page-faq .faq-index__list a {
    transition: none;
  }
}
<<<END>>>