.page-faq {
  --faq-text: rgba(251, 247, 236, 0.88);
  --faq-text-soft: rgba(201, 214, 210, 0.78);
  --faq-line: rgba(201, 214, 210, 0.2);
  --faq-line-strong: rgba(201, 214, 210, 0.42);
  --faq-moss-deep: #3E5541;
  --faq-gap: clamp(32px, 6vw, 76px);
}

/* ---------- 面包屑 ---------- */

.page-faq .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--faq-text-soft);
}

.page-faq .breadcrumbs a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: clamp(26px, 4vw, 48px) 0 clamp(30px, 5vw, 60px);
}

.page-faq .faq-hero .kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--clay);
  margin: 0 0 16px;
  padding-left: 22px;
  position: relative;
}

.page-faq .faq-hero .kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--clay);
  transform: translateY(-50%);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 72px);
  line-height: 1.08;
  letter-spacing: 0.005em;
  color: var(--ivory);
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  max-width: 17ch;
}

.page-faq .faq-hero .lede {
  max-width: 64ch;
  color: var(--faq-text);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  margin: 0;
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-fact dt {
  color: var(--faq-text-soft);
  font-size: 13px;
  letter-spacing: 0.02em;
  margin: 0;
}

.page-faq .faq-fact dd {
  margin: 0;
  color: var(--gold);
  font-size: 15px;
  letter-spacing: 0.06em;
}

/* ---------- 筛选区 ---------- */

.page-faq .faq-zone {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-toolbar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: clamp(28px, 4.5vw, 48px);
  padding-bottom: clamp(18px, 2.6vw, 26px);
  border-bottom: 2px solid var(--rock);
}

.page-faq .faq-toolbar__label {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--ivory);
  letter-spacing: 0.02em;
}

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

.page-faq .faq-filter .filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 8px 14px;
  border: 2px solid var(--rock);
  border-radius: var(--radius);
  background: transparent;
  color: var(--silver);
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.page-faq .faq-filter .filter-btn:hover,
.page-faq .faq-filter .filter-btn:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
}

.page-faq .faq-filter .filter-btn[aria-pressed="true"] {
  border-color: var(--gold);
  color: var(--ink);
  background: var(--gold);
}

/* ---------- 章节骨架 ---------- */

.page-faq .faq-chapters {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
}

.page-faq .faq-chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
  padding-top: clamp(22px, 3.4vw, 36px);
  border-top: 2px solid var(--rock);
}

.page-faq .faq-chapter__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-chapter__num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--clay);
}

.page-faq .faq-chapter__num::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chip);
  flex: none;
}

.page-faq .faq-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.28;
  color: var(--ivory);
  max-width: 24ch;
}

.page-faq .faq-chapter__sub {
  margin: 0;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.8;
  max-width: 56ch;
}

.page-faq .faq-chapter__body {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vw, 30px);
  min-width: 0;
}

/* ---------- 图片 ---------- */

.page-faq .faq-figure {
  margin: 0;
  border: 2px solid var(--rock);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  background: var(--char);
  overflow: hidden;
}

.page-faq .faq-figure .figure__media {
  display: block;
  overflow: hidden;
}

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

.page-faq .faq-figure .figure__cap {
  display: block;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--faq-text-soft);
  border-top: 1px solid var(--faq-line);
}

/* ---------- 步骤列表 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-step__num {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--chip);
  padding-top: 4px;
}

.page-faq .faq-step p {
  margin: 0;
  color: var(--faq-text);
  line-height: 1.78;
  font-size: 15px;
}

.page-faq .faq-steps--warn .faq-step {
  grid-template-columns: 40px minmax(0, 1fr);
}

.page-faq .faq-steps--warn .faq-step__num {
  color: var(--clay);
}

/* ---------- 问答卡牌 ---------- */

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-card {
  background: var(--ivory);
  border: 2px solid var(--rock);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color 180ms ease;
}

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-within {
  border-color: var(--gold);
}

.page-faq .faq-card__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  transition: background-color 180ms ease;
}

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

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

.page-faq .faq-card__q .badge {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
}

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

.page-faq .faq-card__sign {
  margin-left: auto;
  flex: none;
  width: 16px;
  height: 16px;
  position: relative;
}

.page-faq .faq-card__sign::before,
.page-faq .faq-card__sign::after {
  content: "";
  position: absolute;
  background: var(--chip);
  border-radius: 1px;
}

.page-faq .faq-card__sign::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-card__sign::after {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%) scaleY(1);
  transition: transform 200ms cubic-bezier(0.22, 0.8, 0.3, 1);
}

.page-faq .faq-card[open] .faq-card__q {
  background: var(--cream);
  border-bottom: 2px solid var(--rock);
}

.page-faq .faq-card[open] .faq-card__sign::after {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-card__body {
  background: var(--faq-moss-deep);
  padding: 16px 16px 18px;
}

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

/* ---------- 数据明细卡 ---------- */

.page-faq .faq-ledger {
  margin: 0;
  border: 2px solid var(--rock);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  background: var(--ink);
  overflow: hidden;
}

.page-faq .faq-ledger .data-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-ledger .data-row:last-child {
  border-bottom: none;
}

.page-faq .faq-ledger .data-row__key {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--silver);
  margin: 0;
}

.page-faq .faq-ledger .data-row__val {
  margin: 0;
  color: var(--ivory);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 快速索引带 ---------- */

.page-faq .faq-quickbar {
  padding: clamp(18px, 3vw, 28px) 0 clamp(10px, 2vw, 18px);
  border-top: 2px solid var(--rock);
  border-bottom: 2px solid var(--rock);
  background: linear-gradient(180deg, rgba(21, 22, 26, 0.9), rgba(12, 30, 25, 0.5));
}

.page-faq .faq-quickbar__track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--rock) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-quickbar__track::-webkit-scrollbar {
  height: 6px;
}

.page-faq .faq-quickbar__track::-webkit-scrollbar-thumb {
  background: var(--rock);
  border-radius: 3px;
}

.page-faq .faq-quickbar__item {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 196px;
  padding: 14px 16px;
  background: var(--ink);
  border: 2px solid var(--rock);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ivory);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.page-faq .faq-quickbar__item:hover,
.page-faq .faq-quickbar__item:focus-visible {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.45);
}

.page-faq .faq-quickbar__item .mono {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-faq .faq-quickbar__item strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
}

.page-faq .faq-quickbar__hint {
  font-size: 12px;
  line-height: 1.6;
  color: var(--faq-text-soft);
}

/* ---------- 收尾行动区 ---------- */

.page-faq .faq-cta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--char);
  border: 2px solid var(--rock);
  border-left: 6px solid var(--clay);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-cta__text {
  margin: 0;
  color: var(--faq-text);
  font-size: 15px;
  line-height: 1.85;
  max-width: 60ch;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

/* ---------- 空态 ---------- */

.page-faq .faq-empty {
  margin: 0;
  padding: 20px 16px;
  border: 2px dashed var(--rock);
  border-radius: var(--radius);
  color: var(--faq-text-soft);
  font-size: 14px;
  text-align: center;
}

/* ---------- 桌面断点 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--faq-line);
  }

  .page-faq .faq-fact {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 18px 20px;
    border-bottom: none;
    border-left: 1px solid var(--faq-line);
  }

  .page-faq .faq-fact:first-child {
    border-left: none;
  }

  .page-faq .faq-card__q {
    padding: 17px 20px;
    font-size: 16px;
  }

  .page-faq .faq-card__body {
    padding: 18px 20px 20px;
  }

  .page-faq .faq-ledger .data-row {
    grid-template-columns: 180px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
    padding: 15px 20px;
  }

  .page-faq .faq-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-chapter {
    grid-template-columns: minmax(0, 296px) minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 64px);
  }

  .page-faq .faq-chapter__head {
    position: sticky;
    top: 108px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero h1 {
    max-width: 14ch;
  }
}
<<<END>>>