.page-reports-method {
  --method-slant: 24px;
}

/* ---------- 页头与首屏条带 ---------- */
.page-reports-method .breadcrumb {
  margin: var(--space-3) 0 0;
}

.page-reports-method .method-head {
  padding-top: var(--space-3);
  padding-bottom: var(--space-4);
}

.page-reports-method .method-head .eyebrow {
  color: var(--color-primary);
  letter-spacing: 0.14em;
}

.page-reports-method .method-head .page-head__title {
  font-size: clamp(var(--text-2xl), 5.2vw, var(--text-4xl));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  max-width: 22ch;
  margin-top: var(--space-2);
}

.page-reports-method .method-head .page-head__lead {
  margin-top: var(--space-3);
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-reports-method .method-hero-band {
  margin-bottom: var(--section-y);
}

.page-reports-method .method-hero-band .figure-frame {
  border-radius: 0;
}

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

/* ---------- 通用刻度与标题 ---------- */
.page-reports-method .rule-index {
  margin-bottom: var(--space-3);
}

.page-reports-method .h-sec {
  max-width: 26ch;
}

.page-reports-method .method-lead {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}

/* ---------- 01 三套口径从哪分开 ---------- */
.page-reports-method .method-why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-reports-method .why-card {
  position: relative;
  padding: var(--space-3);
  padding-bottom: calc(var(--space-4) + var(--space-2));
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - var(--method-slant)));
  border-radius: 0;
}

.page-reports-method .why-card p:last-child {
  margin: 0;
  line-height: var(--leading-body);
}

.page-reports-method .why-card--primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-reports-method .why-card--accent {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-reports-method .why-card--deep {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-reports-method .why-card__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  margin: 0 0 var(--space-1);
  opacity: 0.85;
}

.page-reports-method .method-why__foot {
  margin-top: var(--space-6);
  max-width: var(--measure);
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

/* ---------- 02 计入口径 ---------- */
.page-reports-method .scope-tabs {
  margin: var(--space-3) 0 var(--space-3);
}

.page-reports-method .scope-panels > [data-scope-panel] + [data-scope-panel] {
  margin-top: var(--space-4);
}

/* ---------- 判定条件条目 ---------- */
.page-reports-method .crit {
  padding: var(--space-3) 0;
}

.page-reports-method .crit + .crit {
  margin-top: var(--space-2);
}

.page-reports-method .crit__ticks {
  display: block;
  height: 6px;
  margin-bottom: var(--space-2);
  background-image: repeating-linear-gradient(90deg, var(--color-line) 0 2px, transparent 2px 12px);
  background-repeat: no-repeat;
  background-size: 100% 6px;
}

.page-reports-method .crit__case {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-reports-method .crit__no {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0;
  color: var(--color-accent);
}

.page-reports-method .crit__pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-reports-method .crit__cond,
.page-reports-method .crit__exc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-reports-method .crit__tag {
  display: inline-block;
  margin-right: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  vertical-align: 2px;
}

.page-reports-method .crit__exc {
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-primary);
  color: var(--color-ink-soft);
}

/* ---------- 03 深色反差区 ---------- */
.page-reports-method .section--deep .h-sec {
  color: var(--color-contrast-ink);
}

.page-reports-method .section--deep .rule-index__num {
  color: var(--color-contrast-accent);
}

.page-reports-method .section--deep .rule-index__ticks {
  background-image: repeating-linear-gradient(90deg, var(--color-contrast-line) 0 2px, transparent 2px 12px);
}

.page-reports-method .section--deep .crit__ticks {
  background-image: repeating-linear-gradient(90deg, var(--color-contrast-line) 0 2px, transparent 2px 12px);
}

.page-reports-method .section--deep .crit__case {
  color: var(--color-contrast-ink);
}

.page-reports-method .section--deep .crit__no {
  color: var(--color-contrast-accent);
}

.page-reports-method .section--deep .crit__cond,
.page-reports-method .section--deep .crit__exc {
  color: var(--color-contrast-ink);
}

.page-reports-method .section--deep .crit__tag {
  color: color-mix(in srgb, var(--color-contrast-ink) 55%, transparent);
}

.page-reports-method .section--deep .crit__exc {
  border-left-color: var(--color-contrast-accent);
}

/* ---------- 图文分栏 ---------- */
.page-reports-method .method-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-reports-method .method-fig figcaption {
  margin-top: var(--space-2);
}

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

/* ---------- 05 出口 ---------- */
.page-reports-method .method-back {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-reports-method .method-back__item {
  display: block;
  padding: var(--space-3);
  background: var(--color-surface);
  border-left: var(--border-thick) solid var(--color-accent);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-ink);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-reports-method .method-back__item:hover,
.page-reports-method .method-back__item:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-1);
}

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

.page-reports-method .method-back__no {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
}

.page-reports-method .method-back__t {
  display: block;
  margin: var(--space-1) 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
}

.page-reports-method .method-back__d {
  display: block;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-reports-method .method-tail {
  margin-top: var(--space-4);
  max-width: var(--measure);
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 560px) {
  .page-reports-method .method-head .page-head__title {
    max-width: 100%;
  }

  .page-reports-method .why-card,
  .page-reports-method .method-back__item {
    padding: var(--space-2);
  }

  .page-reports-method .method-why__foot,
  .page-reports-method .method-tail {
    padding-left: var(--space-2);
  }
}

/* ---------- 中等屏以上：对置两列与错位网格 ---------- */
@media (min-width: 760px) {
  .page-reports-method .crit__pair {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .page-reports-method .crit__cond {
    padding-right: var(--space-4);
    background-image: repeating-linear-gradient(180deg, var(--color-line) 0 3px, transparent 3px 12px);
    background-repeat: no-repeat;
    background-size: 2px 100%;
    background-position: right top;
  }

  .page-reports-method .method-back {
    grid-template-columns: 5fr 4fr 3fr;
    align-items: start;
  }

  .page-reports-method .method-back__item:nth-child(2) {
    margin-top: var(--space-4);
  }
}

@media (min-width: 760px) {
  .page-reports-method .section--deep .crit__cond {
    background-image: repeating-linear-gradient(180deg, var(--color-contrast-line) 0 3px, transparent 3px 12px);
  }
}

/* ---------- 宽屏：非对称图文分栏与错位三色块 ---------- */
@media (min-width: 900px) {
  .page-reports-method .method-why__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-reports-method .why-card:nth-child(2) {
    margin-top: var(--space-6);
  }

  .page-reports-method .why-card:nth-child(3) {
    margin-top: var(--space-3);
  }

  .page-reports-method .method-split {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-reports-method .method-split--flip {
    grid-template-columns: 5fr 7fr;
  }

  .page-reports-method .method-split--flip .method-split__main {
    order: 2;
  }

  .page-reports-method .method-split--flip .method-fig {
    order: 1;
  }

  .page-reports-method .method-fig {
    position: sticky;
    top: var(--space-8);
  }
}
<<<END>>>