.page-reports-method {
  display: block;
}

/* ---------- 页头 ---------- */
.page-reports-method .method-head {
  padding-block-start: var(--space-4);
  padding-block-end: var(--space-6);
}

.page-reports-method .method-head__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.page-reports-method .method-head__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-block-end: var(--space-2);
}

.page-reports-method .method-head h1 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
}

.page-reports-method .method-head .lede {
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-reports-method .method-head__meta {
  margin-block-start: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

/* ---------- 目次 ---------- */
.page-reports-method .method-toc {
  background-color: var(--color-surface-alt);
  padding: var(--space-3);
  box-shadow: var(--shadow-2);
}

.page-reports-method .method-toc__title {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2);
}

.page-reports-method .method-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
}

.page-reports-method .method-toc li {
  counter-increment: toc;
  border-block-end: var(--border-thin) solid var(--color-line);
}

.page-reports-method .method-toc li:last-child {
  border-block-end: 0;
}

.page-reports-method .method-toc a {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  padding-block: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink);
  text-decoration: none;
}

.page-reports-method .method-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

.page-reports-method .method-toc a:hover {
  color: var(--color-accent);
}

.page-reports-method .method-toc a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 区块骨架 ---------- */
.page-reports-method .method-section {
  padding-block: var(--space-8);
  scroll-margin-top: 96px;
}

.page-reports-method .method-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-block-end: var(--space-4);
  padding-inline-start: var(--space-2);
  border-inline-start: var(--border-thick) solid transparent;
}

.page-reports-method .method-section:target .method-section__head {
  border-inline-start-color: var(--color-accent);
}

.page-reports-method .method-section__head h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.page-reports-method .method-section__body > .prose,
.page-reports-method .method-split__text > .prose {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin-block-end: var(--space-4);
}

/* ---------- 规则条目 ---------- */
.page-reports-method .method-rules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page-reports-method .method-rule {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding-inline-start: var(--space-3);
  border-inline-start: var(--border-thick) solid var(--color-primary);
}

.page-reports-method .method-rule__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.page-reports-method .method-rule__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-1);
}

.page-reports-method .method-rule__body p {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin: 0;
}

.page-reports-method .method-term {
  font-style: normal;
  color: var(--color-ink);
  border-block-end: var(--border-thin) dashed var(--color-primary);
  cursor: help;
}

/* ---------- 图文错位 ---------- */
.page-reports-method .method-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5, var(--space-4));
  align-items: start;
}

.page-reports-method .media {
  margin: 0;
  background-color: var(--color-surface-alt);
  box-shadow: var(--shadow-2);
  padding: var(--space-2);
}

.page-reports-method .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-reports-method .media .media__caption {
  margin-block-start: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-reports-method .method-split__media {
  margin-block-start: var(--space-2);
}

/* ---------- 窄图带 ---------- */
.page-reports-method .method-band {
  margin: var(--space-4) 0 0;
  width: 100%;
  max-width: 260px;
  padding: var(--space-2);
  background-color: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}

.page-reports-method .method-band img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-reports-method .method-band .media__caption {
  margin-block-start: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 维度示意 ---------- */
.page-reports-method .method-diagram-wrap {
  background-color: var(--color-surface-alt);
  padding: var(--space-3);
  box-shadow: var(--shadow-1);
  max-width: 520px;
  margin-block-end: var(--space-4);
}

.page-reports-method .method-diagram {
  display: block;
  width: 100%;
  height: auto;
}

.page-reports-method .md-fill {
  fill: var(--color-primary-soft);
}

.page-reports-method .md-box {
  fill: var(--color-primary);
}

.page-reports-method .md-line {
  stroke: var(--color-ink-muted);
  stroke-width: 1.5;
}

.page-reports-method .md-label {
  fill: var(--color-primary-ink);
  font-family: var(--font-body);
  font-size: 13px;
  text-anchor: middle;
}

.page-reports-method .method-diagram__cap {
  margin-block-start: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 对照表 ---------- */
.page-reports-method .method-table {
  width: 100%;
  border-collapse: collapse;
  margin-block-end: var(--space-4);
  font-size: var(--text-sm);
}

.page-reports-method .method-table th,
.page-reports-method .method-table td {
  text-align: start;
  vertical-align: top;
  padding-block: var(--space-2);
  padding-inline-end: var(--space-3);
  border-block-end: var(--border-thin) solid var(--color-line);
  line-height: 1.65;
}

.page-reports-method .method-table th {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  font-weight: var(--weight-heading);
}

.page-reports-method .method-table td:first-child {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink);
  white-space: normal;
}

.page-reports-method .method-table td {
  color: var(--color-ink-soft);
}

/* ---------- 旁注条目 ---------- */
.page-reports-method .method-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.page-reports-method .method-note {
  background-color: var(--color-surface-deep);
  padding: var(--space-3);
  box-shadow: var(--shadow-1);
}

.page-reports-method .method-note__title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-1);
}

.page-reports-method .method-note p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* ---------- 深底数据屏 ---------- */
.page-reports-method .method-screen {
  margin-block: var(--space-4) var(--space-6);
  padding: var(--space-4);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  box-shadow: var(--shadow-2);
}

.page-reports-method .method-screen .data-screen__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-contrast-ink);
  opacity: 0.7;
  margin: 0 0 var(--space-1);
}

.page-reports-method .method-screen__value {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-contrast-accent);
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
}

.page-reports-method .method-screen__unit {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  letter-spacing: 0;
  color: var(--color-contrast-ink);
}

.page-reports-method .method-screen .data-screen__meta {
  margin-block-start: var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.85;
  max-width: var(--measure);
}

.page-reports-method .method-screen .data-screen__rule {
  height: var(--border-thin);
  background-color: var(--color-contrast-line);
  margin-block: var(--space-3);
}

.page-reports-method .method-screen__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
}

.page-reports-method .method-screen__list li {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: baseline;
  padding-block: var(--space-1);
  border-block-end: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
}

.page-reports-method .method-screen__list li:last-child {
  border-block-end: 0;
}

.page-reports-method .method-screen__k {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
  min-width: 8.5em;
}

.page-reports-method .method-screen__v {
  color: var(--color-contrast-ink);
}

/* ---------- 相邻主题入口 ---------- */
.page-reports-method .method-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  margin-block-start: var(--space-6);
}

.page-reports-method .method-link {
  display: block;
  padding: var(--space-3);
  background-color: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
  text-decoration: none;
  color: inherit;
}

.page-reports-method .method-link:nth-child(3n + 2) {
  background-color: var(--color-primary-soft);
}

.page-reports-method .method-link:hover .method-link__title {
  color: var(--color-accent);
}

.page-reports-method .method-link:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-reports-method .method-link__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  margin-block-end: var(--space-1);
}

.page-reports-method .method-link__title {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin-block-end: var(--space-1);
}

.page-reports-method .method-link__desc {
  display: block;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* ---------- 中等屏 ---------- */
@media (min-width: 720px) {
  .page-reports-method .method-head h1 {
    font-size: var(--text-4xl);
  }

  .page-reports-method .method-note p,
  .page-reports-method .method-note__title {
    font-size: var(--text-base);
  }

  .page-reports-method .method-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-reports-method .method-note:nth-child(2) {
    margin-block-start: var(--space-3);
  }

  .page-reports-method .method-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-reports-method .method-link:nth-child(2n) {
    margin-block-start: var(--space-3);
  }

  .page-reports-method .method-screen__list {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 960px) {
  .page-reports-method .method-head {
    padding-block-end: var(--space-8);
  }

  .page-reports-method .method-head__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--space-6);
  }

  .page-reports-method .method-toc {
    margin-block-start: var(--space-3);
  }

  .page-reports-method .method-section {
    padding-block: var(--section-y);
  }

  .page-reports-method .method-split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: var(--space-6);
  }

  .page-reports-method .method-split--reverse > .method-split__text {
    order: 2;
  }

  .page-reports-method .method-split--reverse > .method-split__media {
    order: 1;
  }

  .page-reports-method .method-split__media {
    margin-block-start: calc(var(--space-6) * -1);
  }

  .page-reports-method .method-split__media--square {
    margin-block-start: 0;
  }

  .page-reports-method .method-band {
    margin-block-start: calc(var(--space-6) * -1);
    margin-inline-start: var(--space-6);
  }

  .page-reports-method .method-screen {
    padding: var(--space-6);
  }

  .page-reports-method .method-screen__value {
    font-size: var(--text-4xl);
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-reports-method .method-link:nth-child(2n),
  .page-reports-method .method-note:nth-child(2) {
    margin-block-start: 0;
  }
}
</main>

.page-reports-method {
  --space-5: var(--space-8);
}