.page-faq {
  --faq-line: rgba(14, 59, 46, .14);
  --faq-line-strong: rgba(14, 59, 46, .26);
  --faq-paper-soft: rgba(247, 243, 233, .86);
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  background:
    linear-gradient(180deg, rgba(201, 162, 39, .12) 0%, rgba(201, 162, 39, 0) 60%),
    var(--paper);
  border-bottom: 1px solid var(--faq-line-strong);
  padding: 32px 0 40px;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 30px;
}

.page-faq .faq-hero__copy h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--deep);
  margin: 14px 0 0;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  max-width: 62ch;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-fact {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin: 0;
}

.page-faq .faq-fact__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  line-height: 1;
  color: var(--red);
}

.page-faq .faq-fact__label {
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--faq-line-strong);
  box-shadow: var(--shadow-layer);
  background: var(--white);
}

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

.page-faq .faq-hero__figure .frame__cap {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--faq-line);
  background: var(--white);
}

/* ---------- 目录条 ---------- */
.page-faq .faq-toc {
  background: var(--white);
  border-bottom: 1px solid var(--faq-line-strong);
}

.page-faq .faq-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  list-style: none;
  margin: 0;
  padding: 13px 0;
}

.page-faq .faq-toc__list a {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-faq .faq-toc__list a[aria-current] {
  color: var(--deep);
  border-bottom-color: var(--red);
}

/* ---------- 通用小标题组 ---------- */
.page-faq .faq-head {
  max-width: 64ch;
  margin-bottom: 30px;
}

.page-faq .faq-head h2 {
  font-size: clamp(24px, 4.6vw, 36px);
  line-height: 1.3;
  color: var(--deep);
  margin: 12px 0 0;
}

.page-faq .faq-head__note {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 章节目录 ---------- */
.page-faq .faq-chapters {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-chapter {
  background: var(--white);
  border: 1px solid var(--faq-line-strong);
  border-left: 4px solid var(--gold);
  padding: 20px 20px 22px;
  box-shadow: var(--shadow-layer);
  transition: border-left-color .25s var(--ease), transform .25s var(--ease);
}

.page-faq .faq-chapter:hover {
  border-left-color: var(--red);
  transform: translateX(2px);
}

.page-faq .faq-chapter__no {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-faq .faq-chapter__title {
  margin: 12px 0 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--deep);
}

.page-faq .faq-chapter__range {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--red);
}

.page-faq .faq-chapter__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 新手阅读顺序 ---------- */
.page-faq .faq-start__grid {
  display: grid;
  gap: 34px;
}

.page-faq .faq-start__intro h2,
.page-faq .faq-mobile__copy h2 {
  font-size: clamp(23px, 4.4vw, 34px);
  line-height: 1.3;
  color: var(--deep);
  margin: 12px 0 0;
}

.page-faq .faq-start__lead,
.page-faq .faq-mobile__copy > p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}

.page-faq .faq-start__figure {
  margin: 26px 0 0;
  border: 1px solid var(--faq-line-strong);
  background: var(--white);
  box-shadow: var(--shadow-layer);
}

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

.page-faq .faq-start__figure .frame__cap {
  padding: 11px 15px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .faq-step {
  position: relative;
  padding: 22px 0 24px 56px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-step:first-child {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-step__no {
  position: absolute;
  left: 0;
  top: 22px;
  width: 38px;
  height: 38px;
  margin: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: var(--paper);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-faq .faq-step h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
}

.page-faq .faq-step h3 a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}

.page-faq .faq-step h3 a:hover,
.page-faq .faq-step h3 a:focus-visible {
  color: var(--mid);
  border-bottom-color: var(--mid);
}

.page-faq .faq-step p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-step .tag {
  display: inline-block;
  margin-top: 14px;
}

/* ---------- 常见疑问 ---------- */
.page-faq .faq-qa__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-qa__group {
  background: var(--white);
  border: 1px solid var(--faq-line-strong);
  padding: 0 20px 8px;
  box-shadow: var(--shadow-layer);
}

.page-faq .faq-qa__group-title {
  margin: 0 0 4px;
  padding: 17px 0 13px;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--deep);
  border-bottom: 2px solid var(--gold);
}

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

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

.page-faq .faq-item__q {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 32px 16px 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--gold);
  transition: color .2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--red);
}

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

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

.page-faq .faq-item__a {
  padding: 0 0 18px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  border-left: 3px solid var(--pale);
  padding-left: 14px;
}

.page-faq .faq-item__a a {
  color: var(--mid);
  border-bottom: 1px solid var(--gold);
  text-decoration: none;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--red);
}

/* ---------- 注数与变更 ---------- */
.page-faq .faq-ledger__inner {
  display: grid;
  gap: 30px;
}

.page-faq .faq-ledger h2 {
  font-size: clamp(23px, 4.4vw, 34px);
  line-height: 1.32;
  color: var(--paper);
  margin: 12px 0 0;
}

.page-faq .faq-ledger__copy p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--faq-paper-soft);
}

.page-faq .faq-ledger .eyebrow {
  color: var(--gold);
}

.page-faq .faq-ledger__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-ledger__panel {
  border: 1px solid rgba(201, 162, 39, .55);
  background: rgba(255, 253, 247, .06);
  padding: 26px 24px 28px;
}

.page-faq .faq-ledger__panel-no {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 62px;
  line-height: .9;
  color: var(--gold);
}

.page-faq .faq-ledger__panel h3 {
  margin: 12px 0 0;
  font-size: 17px;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-faq .faq-ledger__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-faq .faq-ledger__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid rgba(247, 243, 233, .18);
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-paper-soft);
}

.page-faq .faq-ledger__list .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 19px;
  line-height: 1;
  color: var(--gold);
}

/* ---------- 手机离线对照 ---------- */
.page-faq .faq-mobile__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-mobile__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-mobile__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-mobile__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 11px;
  height: 1px;
  background: var(--gold);
}

.page-faq .faq-mobile__copy > .btn {
  margin-top: 26px;
}

.page-faq .faq-resource {
  border: 1px solid var(--faq-line-strong);
  background: var(--white);
  box-shadow: var(--shadow-layer);
}

.page-faq .faq-resource__head {
  margin: 0;
  padding: 14px 20px;
  background: var(--pale);
  border-bottom: 1px solid var(--faq-line-strong);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--deep);
}

.page-faq .faq-resource__list {
  list-style: none;
  margin: 0;
  padding: 6px 20px;
}

.page-faq .faq-resource__list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-resource__list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-resource__key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--red);
}

.page-faq .faq-resource__val {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-resource__note {
  margin: 0;
  padding: 16px 20px 20px;
  border-top: 1px solid var(--faq-line-strong);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-ask__inner {
  max-width: 72ch;
}

.page-faq .faq-ask__inner h2 {
  font-size: clamp(22px, 4.2vw, 30px);
  line-height: 1.35;
  color: var(--deep);
  margin: 12px 0 0;
}

.page-faq .faq-ask__inner p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}

.page-faq .faq-ask__inner a {
  color: var(--mid);
  border-bottom: 1px solid var(--gold);
  text-decoration: none;
}

.page-faq .faq-ask__inner a:hover,
.page-faq .faq-ask__inner a:focus-visible {
  color: var(--red);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-chapters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-qa__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 44px 0 52px;
  }

  .page-faq .faq-start__grid {
    grid-template-columns: .92fr 1.08fr;
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-ledger__inner {
    grid-template-columns: 1.3fr .7fr;
    gap: 56px;
    align-items: center;
  }

  .page-faq .faq-mobile__grid {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 1.02fr 1fr;
    align-items: center;
    gap: 54px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chapter,
  .page-faq .faq-toc__list a,
  .page-faq .faq-item__q::after {
    transition: none;
  }

  .page-faq .faq-chapter:hover {
    transform: none;
  }
}