.page-faq {
  --faq-rail: 7.5rem;
  --faq-sticky: 6.75rem;
  --faq-radius-card: 12px;
  background: var(--c-ink);
  color: var(--c-text);
  font-family: var(--font-body);
  padding-bottom: 4rem;
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

/* ---------- 面包屑带 ---------- */
.page-faq .faq-topline {
  padding-top: 1.25rem;
  padding-bottom: 1.5rem;
}

/* ---------- 开篇：标题 + 数据索引 ---------- */
.page-faq .faq-hero {
  padding-bottom: 2.5rem;
}

.page-faq .faq-hero h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.015em;
  color: var(--c-text);
}

.page-faq .faq-hero__lede {
  margin: 1.25rem 0 0;
  max-width: 34em;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-faq .faq-hero__index {
  margin-top: 2.25rem;
  padding: 1.5rem 1.5rem 1.25rem;
  border: 1px solid var(--c-rule);
  border-radius: var(--radius-panel);
  background: var(--c-panel);
}

.page-faq .faq-hero__index-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.875rem;
}

.page-faq .faq-hero__index-list li {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--c-rule);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-faq .faq-hero__index-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-hero__index-list .num {
  flex: 0 0 3.25rem;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-lime);
}

/* ---------- 步骤快捷导航 ---------- */
.page-faq .faq-jump {
  padding-bottom: 2.5rem;
}

.page-faq .faq-jump__list {
  list-style: none;
  margin: 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--c-rule);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.625rem;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--c-rule);
  border-radius: 999px;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--c-muted);
  text-decoration: none;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--c-lime);
  color: var(--c-text);
}

.page-faq .faq-jump__link[aria-current="location"] {
  border-color: var(--c-lime);
  color: var(--c-lime-soft);
}

.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-lime);
}

/* ---------- 步骤区骨架 ---------- */
.page-faq .faq-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  padding-block: 2.75rem;
  border-top: 1px solid var(--c-rule);
  scroll-margin-top: 7rem;
}

.page-faq .faq-step__rail {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--c-lime);
}

.page-faq .faq-step__label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
}

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

.page-faq .faq-step__body .section-title {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.015em;
  color: var(--c-text);
}

.page-faq .faq-step__body .section-label {
  color: var(--c-orange);
}

.page-faq .faq-step__lede {
  margin: 1rem 0 0;
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-faq .faq-step__cta {
  margin: 1.75rem 0 0;
}

/* ---------- 检索路径 ---------- */
.page-faq .path-line {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.page-faq .path-node {
  position: relative;
  padding-top: 1.25rem;
  border-top: 1px solid var(--c-rule);
}

.page-faq .path-node__key {
  display: block;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-lime-soft);
}

.page-faq .path-node__text {
  margin: 0.5rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-muted);
}

/* ---------- 图片 ---------- */
.page-faq .figure {
  margin: 2.25rem 0 0;
}

.page-faq .figure__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--c-panel);
  border: 1px solid var(--c-rule);
}

.page-faq .figure__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  filter: saturate(0.7) contrast(1.04);
}

.page-faq .figure--wide .figure__media img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .figure--tall .figure__media img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-faq .figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 订阅粒度表 ---------- */
.page-faq .table-scroll {
  margin-top: 1.75rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .granularity {
  width: 100%;
  min-width: 34rem;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.page-faq .granularity caption {
  text-align: left;
  padding-bottom: 0.875rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-faq .granularity th,
.page-faq .granularity td {
  text-align: left;
  vertical-align: top;
  padding: 0.875rem 1.25rem 0.875rem 0;
  border-bottom: 1px solid var(--c-rule);
}

.page-faq .granularity thead th {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-faq .granularity tbody td {
  line-height: 1.72;
  color: var(--c-text);
}

.page-faq .granularity tbody td:first-child {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--c-lime-soft);
  white-space: nowrap;
}

.page-faq .granularity tbody td:last-child {
  font-size: 0.875rem;
  color: var(--c-muted);
}

/* ---------- 编号步骤列表 ---------- */
.page-faq .howto {
  list-style: none;
  counter-reset: howto;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.125rem;
}

.page-faq .howto li {
  counter-increment: howto;
  position: relative;
  padding-left: 3.25rem;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--c-text);
}

.page-faq .howto li::before {
  content: counter(howto, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-rule);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-orange);
}

/* ---------- 提示条 ---------- */
.page-faq .note-strip {
  margin: 1.75rem 0 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--c-orange);
  border-radius: 0 var(--radius-soft) var(--radius-soft) 0;
  background: var(--c-panel);
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-muted);
}

/* ---------- 多赛季对照 ---------- */
.page-faq .compare-grid {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-rule);
  border: 1px solid var(--c-rule);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.page-faq .compare-grid li {
  padding: 1.5rem;
  background: var(--c-panel);
}

.page-faq .compare-grid__key {
  display: block;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  color: var(--c-lime-soft);
}

.page-faq .compare-grid__note {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-muted);
}

/* ---------- 导出区左右分栏 ---------- */
.page-faq .export-split {
  display: grid;
  gap: 1.5rem;
}

.page-faq .export-split .howto {
  margin-top: 1.5rem;
}

.page-faq .export-split__figure {
  margin-top: 0.5rem;
}

/* ---------- 修正清单 ---------- */
.page-faq .checklist {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.page-faq .checklist li {
  position: relative;
  padding-left: 1.5rem;
}

.page-faq .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.75rem;
  height: 2px;
  background: var(--c-lime);
}

.page-faq .checklist__key {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--c-text);
}

.page-faq .checklist p {
  margin: 0.375rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-muted);
}

/* ---------- 常见问题折叠卡 ---------- */
.page-faq .faq-step--qa .faq-step__rail .faq-step__num {
  color: var(--c-orange);
}

.page-faq .faq-list {
  margin-top: 2rem;
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-item {
  position: relative;
  border: 1px solid var(--c-rule);
  border-radius: var(--faq-radius-card);
  background: var(--c-panel);
  overflow: hidden;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c-orange);
  opacity: 0;
  transition: opacity 220ms var(--ease);
}

.page-faq .faq-item[open]::before {
  opacity: 1;
}

.page-faq .faq-item > summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 1.125rem 3.25rem 1.125rem 1.25rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.015em;
  color: var(--c-text);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.375rem;
  line-height: 1;
  color: var(--c-lime);
  transition: transform 220ms var(--ease), color 220ms var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--c-orange);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: -2px;
}

.page-faq .faq-item__answer {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--c-muted);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-close {
  padding-top: 1rem;
}

.page-faq .faq-close__panel {
  display: grid;
  gap: 1.5rem;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-panel);
  background: var(--c-zone-deep);
  border: 1px solid var(--c-rule);
}

.page-faq .faq-close__copy h2 {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 3.6vw, 1.875rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: 0.015em;
  color: var(--c-text);
}

.page-faq .faq-close__copy p {
  margin: 0.875rem 0 0;
  max-width: 34em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-faq .faq-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .path-line {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem 1.5rem;
  }

  .page-faq .faq-close__panel {
    padding: 2.5rem 2.25rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 1.5rem;
    padding-bottom: 3.25rem;
  }

  .page-faq .faq-hero__index {
    margin-top: 0.5rem;
  }

  .page-faq .faq-step {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 2.75rem;
    padding-block: 4.5rem;
  }

  .page-faq .faq-step__rail {
    position: sticky;
    top: var(--faq-sticky);
    align-self: start;
    display: block;
  }

  .page-faq .faq-step__num {
    font-size: 4rem;
  }

  .page-faq .faq-step__label {
    margin-top: 0.75rem;
  }

  .page-faq .faq-step__rail::after {
    content: "";
    display: block;
    width: 1px;
    height: 3.5rem;
    margin-top: 1.5rem;
    background: linear-gradient(180deg, var(--c-rule), transparent);
  }

  .page-faq .path-line {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .path-node {
    padding: 2rem 1.25rem 0 0;
    border-top: 0;
  }

  .page-faq .path-node::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 9px;
    height: 9px;
    transform: translateY(-50%);
    border-radius: 50%;
    border: 1.5px solid var(--c-lime);
    background: var(--c-ink);
  }

  .page-faq .path-line {
    position: relative;
  }

  .page-faq .path-line::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0.5rem;
    height: 1px;
    background: var(--c-rule);
  }

  .page-faq .path-node:nth-child(1) {
    padding-right: 2.75rem;
  }

  .page-faq .path-node:nth-child(2) {
    padding-right: 1.75rem;
  }

  .page-faq .path-node:nth-child(3) {
    padding-right: 2.25rem;
  }

  .page-faq .export-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-faq .export-split .howto {
    margin-top: 2rem;
  }

  .page-faq .faq-close__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2.5rem;
    padding: 3rem 2.75rem;
  }

  .page-faq .faq-close__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    --faq-rail: 9rem;
  }

  .page-faq .faq-hero__copy {
    padding-right: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-item::before,
  .page-faq .faq-item > summary::after {
    transition: none;
  }
}
<<<END>>>