.page-faq {
  --faq-line: var(--stone-light);
  --faq-rule: rgba(242, 246, 244, 0.16);
  background: var(--paper);
  color: var(--ink-deep);
  padding-bottom: 72px;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 26px 0 44px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.06;
  margin: 12px 0 20px;
  max-width: 19ch;
}

.page-faq .faq-hero__lede {
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-moss);
}

.page-faq .hero-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--faq-line);
  font-size: 14px;
  color: var(--stone);
}

.page-faq .hero-facts .mono {
  color: var(--ink-deep);
  font-weight: 700;
  margin-right: 6px;
  font-variant-numeric: tabular-nums;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-faq .toc-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
}

.page-faq .toc-list a {
  display: block;
  white-space: nowrap;
  padding: 8px 13px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--stone);
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .toc-list a:hover {
  color: var(--ink-deep);
  border-color: var(--moss);
}

.page-faq .toc-list a[aria-current] {
  color: var(--ink-deep);
  border-color: var(--amber);
  background: var(--paper-soft);
  font-weight: 700;
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-main > section + section {
  margin-top: 56px;
}

.page-faq .faq-block {
  scroll-margin-top: 96px;
}

.page-faq .faq-block--panel {
  background: var(--paper-soft);
  border: 1px solid var(--faq-line);
  border-radius: 3px;
  padding: 26px 20px 30px;
}

.page-faq .block-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.2;
  margin: 8px 0 12px;
}

.page-faq .block-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-moss);
  max-width: 44em;
}

.page-faq .block-head h3,
.page-faq .prose h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 22px 0 8px;
}

.page-faq .prose p {
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-moss);
  margin: 0 0 14px;
}

.page-faq .text-link {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 步骤卡片 ---------- */
.page-faq .start-grid {
  display: grid;
  gap: 26px;
  align-items: start;
  margin-top: 24px;
}

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

.page-faq .step-card {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 0 14px;
  background: var(--paper-soft);
  border: 1px solid var(--faq-line);
  border-radius: 3px;
  padding: 16px 16px 18px 14px;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .step-no {
  font-family: var(--font-mono);
  font-size: 32px;
  line-height: 1;
  color: var(--faq-line);
  font-variant-numeric: tabular-nums;
  transition: color 0.18s var(--ease);
  align-self: start;
}

.page-faq .step-body h3 {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.35;
  margin: 2px 0 8px;
}

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

.page-faq .step-card:hover,
.page-faq .step-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--amber);
  box-shadow: 0 14px 22px -18px var(--night);
}

.page-faq .step-card:hover .step-no,
.page-faq .step-card:focus-within .step-no {
  color: var(--amber);
}

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

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

.page-faq .fig-cap {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

/* ---------- 判罚分支图 ---------- */
.page-faq .branch-figure {
  margin: 22px 0 6px;
  padding: 14px 12px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-radius: 3px;
}

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

.page-faq .branch-figure .node {
  fill: var(--paper-soft);
  stroke: var(--moss);
  stroke-width: 1.5;
}

.page-faq .branch-figure .node--out {
  fill: var(--ink-deep);
  stroke: var(--ink-deep);
}

.page-faq .branch-figure .wire {
  fill: none;
  stroke: var(--stone);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}

.page-faq .branch-figure .node-text {
  font-family: var(--font-body);
  font-size: 16px;
  fill: var(--ink-deep);
}

.page-faq .branch-figure .node-text--out {
  fill: var(--cool-white);
  font-weight: 600;
}

.page-faq .detail-grid {
  display: grid;
  gap: 22px;
  margin-top: 18px;
}

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

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

.page-faq .query-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .query-list li {
  position: relative;
  padding: 12px 14px 12px 78px;
  background: var(--paper);
  border-left: 2px solid var(--moss);
  border-radius: 2px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-moss);
}

.page-faq .query-tag {
  position: absolute;
  left: 12px;
  top: 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

/* ---------- 进失球分布 ---------- */
.page-faq .goals-grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-faq .goals-chart {
  background: var(--ink-moss);
  border-radius: 3px;
  padding: 22px 18px 16px;
}

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

.page-faq .dist-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--cool-white);
}

.page-faq .dist-track {
  display: block;
  height: 13px;
  background: rgba(242, 246, 244, 0.14);
  border-radius: 2px;
  overflow: hidden;
}

.page-faq .dist-bar {
  display: block;
  height: 100%;
  border-radius: 2px;
  transition: opacity 0.18s var(--ease);
}

.page-faq .dist-bar--a { width: 82%; background: var(--amber); }
.page-faq .dist-bar--b { width: 44%; background: var(--moss); }
.page-faq .dist-bar--c { width: 58%; background: var(--navy); }
.page-faq .dist-bar--d { width: 34%; background: var(--cool-white); }

.page-faq .dist-row:hover .dist-bar {
  opacity: 0.72;
}

.page-faq .chart-note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--faq-rule);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(242, 246, 244, 0.66);
}

/* ---------- 版本对照 ---------- */
.page-faq .ver-grid {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-faq .ver-card {
  background: var(--paper-soft);
  border: 1px solid var(--faq-line);
  border-radius: 3px;
  padding: 20px 18px 22px;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .ver-card:hover {
  transform: translateY(-3px);
  border-color: var(--amber);
}

.page-faq .ver-card--test {
  border-left: 3px solid var(--amber);
}

.page-faq .ver-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 12px 0 8px;
}

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

.page-faq .tag-order {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: tagstep;
}

.page-faq .tag-order li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-moss);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .tag-order .badge {
  justify-self: start;
}

.page-faq .ver-foot {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-moss);
}

/* ---------- 问答 ---------- */
.page-faq .faq-qa {
  background: var(--ink-deep);
  color: var(--cool-white);
  border-radius: 3px;
  padding: 30px 20px 26px;
}

.page-faq .faq-qa .block-lede {
  color: rgba(242, 246, 244, 0.78);
}

.page-faq .qa-list {
  margin-top: 18px;
  border-top: 1px solid var(--faq-rule);
}

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

.page-faq .qa summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 34px 16px 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--cool-white);
}

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

.page-faq .qa summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--amber);
  border-bottom: 2px solid var(--amber);
  transform: rotate(45deg);
  transition: transform 0.18s var(--ease);
}

.page-faq .qa[open] summary::after {
  transform: rotate(-135deg);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .qa p {
  margin: 0 0 18px;
  padding-right: 12px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(242, 246, 244, 0.82);
}

.page-faq .qa .text-link--light {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联络收尾 ---------- */
.page-faq .help-row {
  display: grid;
  gap: 16px;
  margin-top: 22px;
  align-items: start;
}

.page-faq .help-row .btn {
  justify-self: start;
}

.page-faq .help-links {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-moss);
  max-width: 40em;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 34px 0 52px;
  }

  .page-faq .start-grid {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 32px;
  }

  .page-faq .ver-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .goals-grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-block--panel {
    padding: 30px 26px 34px;
  }

  .page-faq .faq-qa {
    padding: 40px 30px 32px;
  }

  .page-faq .help-row {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 26px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-faq {
    padding-bottom: 96px;
  }

  .page-faq .faq-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

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

  .page-faq .toc-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .page-faq .toc-list a {
    padding: 10px 0 10px 14px;
    border: 0;
    border-left: 2px solid var(--faq-line);
    border-radius: 0;
    white-space: normal;
    line-height: 1.55;
    font-size: 14px;
  }

  .page-faq .toc-list a:hover {
    border-left-color: var(--moss);
  }

  .page-faq .toc-list a[aria-current] {
    border-left-color: var(--amber);
    background: none;
    border-radius: 0;
  }

  .page-faq .faq-main > section + section {
    margin-top: 72px;
  }

  .page-faq .start-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 40px;
  }

  .page-faq .detail-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-block--panel {
    padding: 36px 34px 40px;
  }

  .page-faq .faq-qa {
    padding: 48px 44px 40px;
  }

  .page-faq .qa summary {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-card,
  .page-faq .step-no,
  .page-faq .ver-card,
  .page-faq .dist-bar,
  .page-faq .toc-list a,
  .page-faq .qa summary::after {
    transition: none;
  }

  .page-faq .step-card:hover,
  .page-faq .ver-card:hover {
    transform: none;
  }
}