.page-custom-steps .cs-hero__head {
  max-width: 56rem;
}

.page-custom-steps .cs-hero__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(var(--text-2xl), 5.6vw, var(--text-4xl));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  margin: var(--space-2) 0 var(--space-3);
  max-width: 18ch;
}

.page-custom-steps .cs-hero__lead {
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin: 0;
}

.page-custom-steps .cs-hero__figure {
  margin: var(--space-6) 0 0;
}

.page-custom-steps .cs-lede {
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
}

/* —— 六步阶梯 —— */
.page-custom-steps .cs-ladder {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-custom-steps .cs-ladder__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-alt);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
  min-width: 0;
}

.page-custom-steps .cs-ladder__item:nth-child(even) {
  border-left-color: var(--color-accent);
}

.page-custom-steps .cs-ladder__num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--color-primary);
}

.page-custom-steps .cs-ladder__item:nth-child(even) .cs-ladder__num {
  color: var(--color-accent);
}

.page-custom-steps .cs-ladder__text {
  min-width: 0;
}

.page-custom-steps .cs-ladder__name {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
}

.page-custom-steps .cs-ladder__out {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  margin-top: var(--space-1);
  line-height: var(--leading-body);
}

@media (min-width: 60rem) {
  .page-custom-steps .cs-ladder {
    gap: var(--space-1);
  }
  .page-custom-steps .cs-ladder__item:nth-child(1) { margin-left: 0; }
  .page-custom-steps .cs-ladder__item:nth-child(2) { margin-left: 4%; }
  .page-custom-steps .cs-ladder__item:nth-child(3) { margin-left: 8%; }
  .page-custom-steps .cs-ladder__item:nth-child(4) { margin-left: 12%; }
  .page-custom-steps .cs-ladder__item:nth-child(5) { margin-left: 16%; }
  .page-custom-steps .cs-ladder__item:nth-child(6) { margin-left: 20%; }
}

/* —— 主体骨架：索引轨 + 流程列 —— */
.page-custom-steps .cs-shell__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

@media (min-width: 62rem) {
  .page-custom-steps .cs-shell__inner {
    grid-template-columns: 13rem minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }
}

.page-custom-steps .cs-shell__rail {
  min-width: 0;
}

.page-custom-steps .cs-rail .toc,
.page-custom-steps .cs-shell__rail .toc {
  background: var(--color-surface-alt);
  border-left: var(--border-thick) solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
}

.page-custom-steps .cs-shell__rail .toc ol {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-custom-steps .cs-shell__rail .toc a {
  display: block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  text-decoration: none;
  border-left: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

.page-custom-steps .cs-shell__rail .toc a:hover,
.page-custom-steps .cs-shell__rail .toc a:focus-visible {
  color: var(--color-ink);
  border-left-color: var(--color-focus);
}

.page-custom-steps .cs-shell__rail .toc a[aria-current="true"] {
  background: var(--color-highlight);
  color: var(--color-ink);
  font-weight: var(--weight-heading);
  border-left-color: var(--color-focus);
}

.page-custom-steps .cs-shell__flow {
  min-width: 0;
}

/* —— 分组 —— */
.page-custom-steps .cs-phase {
  padding-top: var(--space-6);
  min-width: 0;
}

.page-custom-steps .cs-phase:first-child {
  padding-top: 0;
}

.page-custom-steps .cs-phase + .cs-phase {
  margin-top: var(--space-8);
}

.page-custom-steps .cs-phase__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-4);
}

@media (min-width: 62rem) {
  .page-custom-steps .cs-phase__body {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }
}

.page-custom-steps .cs-phase__aside {
  min-width: 0;
}

.page-custom-steps .cs-steps {
  min-width: 0;
}

/* —— 单步 —— */
.page-custom-steps .cs-step {
  min-width: 0;
  margin-top: var(--space-6);
}

.page-custom-steps .cs-steps .cs-step:first-child,
.page-custom-steps .cs-deep .cs-step:first-child {
  margin-top: 0;
}

.page-custom-steps .cs-step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
}

.page-custom-steps .cs-step__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.06em;
  color: var(--color-primary);
}

.page-custom-steps .cs-step--alt .cs-step__num {
  color: var(--color-accent);
}

.page-custom-steps .cs-step__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  margin: 0;
}

.page-custom-steps .cs-step__body {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  color: var(--color-ink);
}

.page-custom-steps .cs-step__out {
  margin: var(--space-3) 0 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary-soft);
  border-radius: var(--radius-sm);
  max-width: var(--measure);
  line-height: var(--leading-body);
}

.page-custom-steps .cs-step--alt .cs-step__out {
  background: var(--color-highlight);
}

.page-custom-steps .cs-step__out-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-right: var(--space-1);
}

.page-custom-steps .cs-step--alt .cs-step__out-label {
  color: var(--color-accent);
}

.page-custom-steps .cs-step__list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0 0 0 var(--space-3);
  border-left: var(--border-thick) solid var(--color-highlight);
  display: grid;
  gap: var(--space-1);
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-custom-steps .cs-step__list li {
  position: relative;
  padding-left: var(--space-2);
  line-height: var(--leading-body);
}

.page-custom-steps .cs-step__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0.5em;
  height: 0.125em;
  background: var(--color-primary);
}

.page-custom-steps .cs-step--alt .cs-step__list li::before {
  background: var(--color-accent);
}

.page-custom-steps .cs-step__figure {
  margin: var(--space-4) 0 0;
}

/* —— 深色块：接入与搭建 —— */
.page-custom-steps .cs-deep {
  margin-top: var(--space-6);
  padding: var(--space-8) var(--space-4);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  clip-path: polygon(0 var(--space-4), 100% 0, 100% calc(100% - var(--space-4)), 0 100%);
}

@media (min-width: 48rem) {
  .page-custom-steps .cs-deep {
    padding: var(--space-8) var(--space-6);
    clip-path: polygon(0 var(--space-6), 100% 0, 100% calc(100% - var(--space-6)), 0 100%);
  }
}

.page-custom-steps .cs-deep .cs-step {
  margin-top: var(--space-6);
}

.page-custom-steps .cs-deep .cs-step__num {
  color: var(--color-contrast-accent);
}

.page-custom-steps .cs-deep .cs-step__title {
  color: var(--color-contrast-ink);
}

.page-custom-steps .cs-deep .cs-step__body {
  color: var(--color-contrast-ink);
}

.page-custom-steps .cs-deep .cs-step__out {
  background: color-mix(in srgb, var(--color-contrast-line) 45%, transparent);
}

.page-custom-steps .cs-deep .cs-step__out-label {
  color: var(--color-contrast-accent);
}

.page-custom-steps .cs-deep .cs-step__list {
  border-left-color: var(--color-contrast-accent);
  color: var(--color-contrast-ink);
}

.page-custom-steps .cs-deep .cs-step__list li::before {
  background: var(--color-contrast-accent);
}

/* —— 退出区 —— */
.page-custom-steps .cs-exit {
  color: var(--color-contrast-ink);
}

.page-custom-steps .cs-exit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

@media (min-width: 56rem) {
  .page-custom-steps .cs-exit__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: var(--space-8);
    align-items: start;
  }
}

.page-custom-steps .cs-exit__text {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  color: var(--color-contrast-ink);
  line-height: var(--leading-body);
}

.page-custom-steps .cs-exit__cards {
  display: grid;
  gap: var(--space-3);
  min-width: 0;
}

.page-custom-steps .cs-exit__card {
  padding: var(--space-3) var(--space-4);
  background: color-mix(in srgb, var(--color-contrast-line) 40%, transparent);
  border-left: var(--border-thick) solid var(--color-contrast-accent);
  border-radius: var(--radius-lg);
  min-width: 0;
}

.page-custom-steps .cs-exit__card-title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-custom-steps .cs-exit__card-text {
  margin: var(--space-2) 0 0;
  color: var(--color-contrast-ink);
  line-height: var(--leading-body);
  overflow-wrap: anywhere;
}

.page-custom-steps .cs-exit__link {
  display: inline-block;
  margin-top: var(--space-2);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-custom-steps .cs-exit__link:focus-visible {
  outline: var(--border-thin) solid var(--color-contrast-accent);
  outline-offset: 2px;
}
</main>