.page-faq {
  --faq-line: var(--paper-line);
  --faq-ink: var(--felt);
  --faq-shadow: 4px 4px 0 rgba(14, 46, 38, .85);
  --faq-shadow-lg: 6px 6px 0 rgba(14, 46, 38, .9);
  background: var(--ivory);
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: clamp(18px, 2.6vw, 32px);
  padding-bottom: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(24px, 3.4vw, 46px);
  padding-bottom: clamp(36px, 5vw, 72px);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
}

.page-faq .faq-hero-text .index-label {
  display: block;
  margin-bottom: 14px;
  color: var(--score);
}

.page-faq .faq-title {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(2.1rem, 5.6vw, 4.1rem);
  line-height: 1.05;
  letter-spacing: .06em;
  color: var(--faq-ink);
}

.page-faq .faq-lede {
  max-width: 34em;
  margin: 0 0 26px;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--score);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0 clamp(20px, 3.4vw, 44px);
  margin: 0;
  padding-top: 18px;
  border-top: 2px solid var(--faq-line);
}

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
}

.page-faq .faq-stat dt {
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--score);
}

.page-faq .faq-stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  letter-spacing: .04em;
  color: var(--chip);
}

.page-faq .faq-stat-unit {
  font-family: var(--font-mono);
  font-size: 1rem;
  margin-left: 2px;
}

.page-faq .faq-hero-figure {
  margin: 0;
}

.page-faq .faq-hero-figure figcaption {
  margin-top: 12px;
  color: var(--score);
}

/* ---------- 主体骨架：目录 + 正文 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(56px, 8vw, 120px);
}

.page-faq .faq-toc {
  padding-bottom: clamp(20px, 3vw, 34px);
  border-bottom: 2px solid var(--faq-line);
}

.page-faq .faq-toc .index-label {
  color: var(--score);
}

.page-faq .faq-toc-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0 0 0 14px;
  border-left: 2px solid var(--faq-line);
}

.page-faq .faq-toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: .93rem;
  line-height: 1.5;
  color: var(--score);
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  color: var(--chip);
  padding-left: 6px;
}

.page-faq .faq-toc-num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .faq-toc-note {
  margin: 16px 0 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--score);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  padding-block: clamp(36px, 5.4vw, 74px);
  border-top: 2px solid var(--faq-line);
}

.page-faq .faq-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block-head {
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-faq .faq-block-head .index-label {
  color: var(--score);
}

.page-faq .faq-block-title {
  margin: 10px 0 14px;
  font-size: clamp(1.4rem, 2.8vw, 2.05rem);
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.3;
  color: var(--faq-ink);
}

.page-faq .faq-block-lede {
  max-width: 36em;
  margin: 0;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--score);
}

/* ---------- 玩法筛选 ---------- */
.page-faq .cat-filter {
  position: relative;
}

.page-faq .cat-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  appearance: none;
}

.page-faq .cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .cat-tab {
  cursor: pointer;
  padding: 7px 14px;
  font-size: .86rem;
  line-height: 1.4;
  border: 2px solid var(--felt-line);
  border-radius: var(--radius);
  background: var(--ivory-soft);
  color: var(--felt);
  user-select: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}

.page-faq .cat-tab:hover {
  transform: translateY(-2px);
  box-shadow: 3px 3px 0 rgba(14, 46, 38, .5);
}

.page-faq #fq-all:checked ~ .cat-tabs label[for="fq-all"],
.page-faq #fq-01:checked ~ .cat-tabs label[for="fq-01"],
.page-faq #fq-02:checked ~ .cat-tabs label[for="fq-02"],
.page-faq #fq-03:checked ~ .cat-tabs label[for="fq-03"],
.page-faq #fq-04:checked ~ .cat-tabs label[for="fq-04"],
.page-faq #fq-05:checked ~ .cat-tabs label[for="fq-05"],
.page-faq #fq-06:checked ~ .cat-tabs label[for="fq-06"],
.page-faq #fq-07:checked ~ .cat-tabs label[for="fq-07"],
.page-faq #fq-08:checked ~ .cat-tabs label[for="fq-08"],
.page-faq #fq-09:checked ~ .cat-tabs label[for="fq-09"],
.page-faq #fq-10:checked ~ .cat-tabs label[for="fq-10"],
.page-faq #fq-11:checked ~ .cat-tabs label[for="fq-11"],
.page-faq #fq-12:checked ~ .cat-tabs label[for="fq-12"] {
  background: var(--chip);
  border-color: var(--chip);
  color: var(--lamp);
  box-shadow: 3px 3px 0 rgba(14, 46, 38, .9);
}

.page-faq #fq-01:checked ~ .cat-body .cat-group:not([data-cat="01"]),
.page-faq #fq-02:checked ~ .cat-body .cat-group:not([data-cat="02"]),
.page-faq #fq-03:checked ~ .cat-body .cat-group:not([data-cat="03"]),
.page-faq #fq-04:checked ~ .cat-body .cat-group:not([data-cat="04"]),
.page-faq #fq-05:checked ~ .cat-body .cat-group:not([data-cat="05"]),
.page-faq #fq-06:checked ~ .cat-body .cat-group:not([data-cat="06"]),
.page-faq #fq-07:checked ~ .cat-body .cat-group:not([data-cat="07"]),
.page-faq #fq-08:checked ~ .cat-body .cat-group:not([data-cat="08"]),
.page-faq #fq-09:checked ~ .cat-body .cat-group:not([data-cat="09"]),
.page-faq #fq-10:checked ~ .cat-body .cat-group:not([data-cat="10"]),
.page-faq #fq-11:checked ~ .cat-body .cat-group:not([data-cat="11"]),
.page-faq #fq-12:checked ~ .cat-body .cat-group:not([data-cat="12"]) {
  display: none;
}

.page-faq .cat-body {
  border-top: 1px solid var(--faq-line);
}

.page-faq .cat-group {
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .cat-group-title {
  margin: 0 0 12px;
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--faq-ink);
}

.page-faq .cat-group-title::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--gold);
}

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

.page-faq .rule-item {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 12px;
  padding: 9px 0;
}

.page-faq .rule-item .chip-dot {
  margin-top: 9px;
}

.page-faq .rule-name {
  display: block;
  margin-bottom: 2px;
  font-size: .96rem;
  font-weight: 600;
  color: var(--felt);
}

.page-faq .rule-note {
  display: block;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--score);
}

/* ---------- 三段式 ---------- */
.page-faq .anatomy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-faq .anatomy-card {
  position: relative;
  padding: 24px 22px 22px;
  border: 2px solid var(--felt);
  border-radius: var(--radius);
  background: var(--lamp);
  box-shadow: var(--faq-shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-faq .anatomy-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--faq-shadow-lg);
}

.page-faq .anatomy-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border-radius: 50%;
  border: 2px solid var(--chip);
  font-family: var(--font-sans);
  font-size: .95rem;
  font-weight: 600;
  color: var(--chip);
}

.page-faq .anatomy-title {
  margin: 0 0 8px;
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--faq-ink);
}

.page-faq .anatomy-text {
  margin: 0;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--score);
}

/* ---------- 结算示例 ---------- */
.page-faq .settle-card {
  padding: clamp(16px, 2.4vw, 28px);
  border: 2px solid var(--felt);
  border-radius: var(--radius);
  background: var(--lamp);
  box-shadow: var(--faq-shadow-lg);
}

.page-faq .settle-scroller {
  overflow-x: auto;
}

.page-faq .settle-table {
  width: 100%;
  min-width: 620px;
}

.page-faq .settle-caption {
  padding-bottom: 12px;
  font-size: .8rem;
  letter-spacing: .16em;
  text-align: left;
  color: var(--score);
}

.page-faq .settle-table tbody th[scope="row"] {
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}

.page-faq .settle-table tbody tr:hover {
  background: var(--ivory-soft);
}

.page-faq .settle-table tbody tr > td:last-child {
  font-family: var(--font-mono);
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--chip);
}

.page-faq .settle-table .settle-total th,
.page-faq .settle-table .settle-total td {
  border-top: 2px solid var(--felt);
}

.page-faq .settle-table .settle-total th[scope="row"] {
  color: var(--felt);
}

.page-faq .settle-conclusion {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-line);
  max-width: 34em;
  font-family: var(--font-serif);
  font-size: .98rem;
  line-height: 1.9;
  color: var(--felt);
}

.page-faq .settle-conclusion .num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--chip);
}

.page-faq .settle-strong {
  font-weight: 700;
  letter-spacing: .05em;
}

/* ---------- 速查表 ---------- */
.page-faq .quick-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-faq .quick-cards {
  display: grid;
  gap: 14px;
}

.page-faq .quick-card {
  border: 2px solid var(--felt);
  border-radius: var(--radius);
  background: var(--lamp);
  box-shadow: var(--faq-shadow);
  transition: box-shadow .2s ease, transform .2s ease;
}

.page-faq .quick-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--faq-shadow-lg);
}

.page-faq .quick-card[open] {
  box-shadow: 6px 6px 0 rgba(216, 162, 74, .95);
}

.page-faq .quick-card > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--faq-ink);
}

.page-faq .quick-card > summary::-webkit-details-marker {
  display: none;
}

.page-faq .quick-card > summary::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--chip);
}

.page-faq .quick-card[open] > summary::after {
  content: "－";
}

.page-faq .quick-card-body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--faq-line);
  font-size: .92rem;
  line-height: 1.75;
  color: var(--score);
}

.page-faq .quick-card-body > p {
  margin: 14px 0 0;
}

.page-faq .mini-table {
  width: 100%;
  margin-top: 12px;
  border-collapse: collapse;
  font-size: .88rem;
}

.page-faq .mini-table th,
.page-faq .mini-table td {
  padding: 8px 10px 8px 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .mini-table tr:last-child th,
.page-faq .mini-table tr:last-child td {
  border-bottom: 0;
}

.page-faq .mini-table th {
  width: 42%;
  font-weight: 600;
  color: var(--felt);
}

.page-faq .quick-figure {
  margin: 0;
}

.page-faq .quick-figure figcaption {
  margin-top: 12px;
  color: var(--score);
}

/* ---------- 自查 ---------- */
.page-faq .fix-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .fix-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 26px);
  padding: 24px 0;
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .fix-num {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  line-height: 1.1;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-faq .fix-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--faq-ink);
}

.page-faq .fix-text {
  margin: 0;
  max-width: 38em;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--score);
}

.page-faq .fix-tail {
  margin: 26px 0 0;
  max-width: 38em;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--felt);
}

.page-faq .fix-link {
  color: var(--chip);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

.page-faq .fix-link:hover {
  color: var(--felt);
}

/* ---------- 提问区 ---------- */
.page-faq .ask-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 44px);
}

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

.page-faq .ask-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--faq-line);
}

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

.page-faq .ask-num {
  font-family: var(--font-mono);
  font-size: .9rem;
  letter-spacing: .08em;
  color: var(--chip);
  padding-top: 3px;
}

.page-faq .ask-title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--faq-ink);
}

.page-faq .ask-text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--score);
}

.page-faq .ask-side {
  align-self: start;
  padding: 24px 22px;
  border: 2px solid var(--felt);
  border-radius: var(--radius);
  background: var(--felt);
  color: var(--lamp);
  box-shadow: var(--faq-shadow-lg);
}

.page-faq .ask-side-label {
  color: var(--gold);
}

.page-faq .ask-side-text {
  margin: 14px 0 20px;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--lamp);
}

.page-faq .ask-side-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.page-faq .ask-side-note {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--felt-line);
  font-size: .86rem;
  line-height: 1.8;
  color: rgba(255, 249, 236, .78);
}

.page-faq .ask-side-note .fix-link {
  color: var(--gold);
}

.page-faq .ask-side-note .fix-link:hover {
  color: var(--lamp);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-hero-actions .btn {
    min-width: 148px;
    text-align: center;
  }

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

  .page-faq .anatomy-card:nth-child(2) {
    transform: translateY(18px);
  }

  .page-faq .anatomy-card:nth-child(2):hover {
    transform: translate(-2px, 16px);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 41fr) minmax(0, 59fr);
    align-items: end;
  }

  .page-faq .faq-shell {
    grid-template-columns: minmax(210px, 250px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 92px;
    align-self: start;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-faq .faq-block:first-child {
    padding-top: 0;
  }

  .page-faq .anatomy-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .anatomy-card:nth-child(2) {
    transform: translateY(24px);
  }

  .page-faq .anatomy-card:nth-child(2):hover {
    transform: translate(-2px, 22px);
  }

  .page-faq .anatomy-card:nth-child(3) {
    transform: translateY(10px);
  }

  .page-faq .anatomy-card:nth-child(3):hover {
    transform: translate(-2px, 8px);
  }
}

@media (min-width: 960px) {
  .page-faq .quick-layout {
    grid-template-columns: minmax(0, 58fr) minmax(0, 42fr);
    align-items: start;
  }

  .page-faq .ask-layout {
    grid-template-columns: minmax(0, 60fr) minmax(0, 40fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .settle-card {
    margin-right: calc(var(--gutter) * -0.7);
  }
}

@media (max-width: 619px) {
  .page-faq .faq-hero-actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-faq .fix-item,
  .page-faq .ask-step {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-faq .fix-num,
  .page-faq .ask-num {
    font-size: 1.2rem;
  }
}