.page-custom-steps {
  --cs-gutter-x: var(--space-2);
}

/* ---------- 首屏头部 ---------- */
.page-custom-steps .cs-head {
  padding-top: var(--space-4);
}

.page-custom-steps .cs-head__title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 22ch;
}

.page-custom-steps .cs-head__lede {
  margin-top: var(--space-3);
  color: var(--color-ink-soft);
}

.page-custom-steps .cs-meta {
  margin: var(--space-6) 0 0;
  padding: var(--space-3) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
  display: grid;
  gap: var(--space-3);
}

.page-custom-steps .cs-meta__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-custom-steps .cs-meta__item dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-custom-steps .cs-meta__item dd {
  margin: 0;
  font-size: var(--text-lg);
  color: var(--color-ink);
}

/* ---------- 六步总览 ---------- */
.page-custom-steps .cs-overview__lede {
  margin-top: var(--space-3);
  color: var(--color-ink-soft);
}

.page-custom-steps .cs-ov {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-custom-steps .cs-ov__row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  grid-template-areas:
    "idx name span"
    "bar bar bar";
  column-gap: var(--space-2);
  row-gap: var(--space-1);
  align-items: baseline;
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-custom-steps .cs-ov__idx {
  grid-area: idx;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-custom-steps .cs-ov__name {
  grid-area: name;
  font-size: var(--text-base);
  color: var(--color-ink);
  text-decoration: none;
}

.page-custom-steps .cs-ov__span {
  grid-area: span;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.page-custom-steps .cs-ov__bar {
  grid-area: bar;
  position: relative;
  display: block;
  height: 4px;
  background: var(--color-surface-deep);
}

.page-custom-steps .cs-ov__fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--color-ink-muted);
  transition: background 120ms linear;
}

.page-custom-steps .cs-ov__row:nth-child(1) .cs-ov__fill { width: 37.5%; }
.page-custom-steps .cs-ov__row:nth-child(2) .cs-ov__fill { width: 62.5%; }
.page-custom-steps .cs-ov__row:nth-child(3) .cs-ov__fill { width: 100%; }
.page-custom-steps .cs-ov__row:nth-child(4) .cs-ov__fill { width: 62.5%; }
.page-custom-steps .cs-ov__row:nth-child(5) .cs-ov__fill { width: 75%; }
.page-custom-steps .cs-ov__row:nth-child(6) .cs-ov__fill { width: 87.5%; }

.page-custom-steps .cs-ov__row:hover .cs-ov__fill,
.page-custom-steps .cs-ov__row:focus-within .cs-ov__fill {
  background: var(--color-primary);
}

/* ---------- 展签式图片 ---------- */
.page-custom-steps .cs-plate {
  margin: var(--space-6) 0 0;
}

.page-custom-steps .plate__media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-custom-steps .plate__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-custom-steps .plate__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.page-custom-steps .plate__caption {
  position: absolute;
  left: var(--cs-gutter-x);
  right: var(--cs-gutter-x);
  bottom: var(--cs-gutter-x);
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--color-contrast-ink);
}

/* ---------- 纵向刻度：六步明细 ---------- */
.page-custom-steps .cs-steps {
  position: relative;
  margin-top: var(--space-6);
}

.page-custom-steps .cs-steps::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 14px;
  bottom: 14px;
  width: var(--border-thin);
  background: var(--color-line);
}

.page-custom-steps .cs-step {
  position: relative;
  padding: var(--space-6) 0 var(--space-6) 40px;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-custom-steps .cs-step:last-child {
  border-bottom: 0;
  padding-bottom: var(--space-6);
}

.page-custom-steps .cs-step__node {
  position: absolute;
  left: 6px;
  top: calc(var(--space-6) + 6px);
  width: 12px;
  height: 12px;
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-ink-muted);
  transition: background 120ms linear, border-color 120ms linear;
}

.page-custom-steps .cs-step:hover .cs-step__node,
.page-custom-steps .cs-step:focus-within .cs-step__node {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.page-custom-steps .cs-step__head {
  display: grid;
  gap: 4px;
  align-items: baseline;
}

.page-custom-steps .cs-step__idx {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

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

.page-custom-steps .cs-step__span {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-custom-steps .cs-step__lead {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-custom-steps .cs-step__panel {
  margin-top: var(--space-3);
}

/* ---------- 字段键值对 ---------- */
.page-custom-steps .cs-fields {
  margin: 0;
}

.page-custom-steps .cs-field {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: var(--space-2) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

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

.page-custom-steps .cs-field dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
}

.page-custom-steps .cs-field dd {
  margin: 0;
  color: var(--color-ink);
}

.page-custom-steps .cs-field--flag dd {
  position: relative;
  padding-left: var(--space-4);
}

.page-custom-steps .cs-field--flag dd::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 14px;
  height: var(--border-thick);
  background: var(--color-primary);
}

/* ---------- 交付之后 ---------- */
.page-custom-steps .cs-after__grid {
  display: grid;
  gap: var(--space-6);
}

.page-custom-steps .cs-after__col--aside {
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-custom-steps .cs-after__links {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-custom-steps .cs-after__links li {
  line-height: 1.6;
  color: var(--color-ink-soft);
}

/* ---------- 行动出口 ---------- */
.page-custom-steps .cs-next {
  background: var(--color-surface-alt);
}

.page-custom-steps .cs-next__lede {
  margin-top: var(--space-3);
  color: var(--color-ink);
}

.page-custom-steps .cs-next__action {
  margin: var(--space-4) 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.page-custom-steps .cs-next__note {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  max-width: 34ch;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 768px) {
  .page-custom-steps {
    --cs-gutter-x: var(--space-3);
  }

  .page-custom-steps .cs-head {
    padding-top: var(--space-6);
  }

  .page-custom-steps .cs-head__title {
    font-size: var(--text-4xl);
    max-width: 18ch;
  }

  .page-custom-steps .cs-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-custom-steps .cs-ov__row {
    grid-template-columns: 40px minmax(0, 230px) 168px minmax(0, 1fr);
    grid-template-areas: "idx name span bar";
    column-gap: var(--space-3);
    row-gap: 0;
    align-items: center;
    padding: var(--space-3) 0;
  }

  .page-custom-steps .cs-step {
    padding-left: 72px;
    padding-right: var(--space-4);
  }

  .page-custom-steps .cs-step__node {
    left: 6px;
    top: calc(var(--space-6) + 7px);
  }

  .page-custom-steps .cs-steps::before {
    left: 12px;
  }

  .page-custom-steps .cs-step__head {
    grid-template-columns: 48px minmax(0, 1fr) auto;
    column-gap: var(--space-3);
  }

  .page-custom-steps .cs-step__lead {
    margin-top: var(--space-2);
  }

  .page-custom-steps .cs-field {
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: var(--space-6);
    align-items: baseline;
    padding: var(--space-3) 0;
  }

  .page-custom-steps .cs-field dt {
    text-align: right;
  }

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

  .page-custom-steps .cs-step .cs-plate {
    max-width: 720px;
  }

  .page-custom-steps .cs-after__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-8);
  }

  .page-custom-steps .cs-after__col--aside {
    padding-top: 0;
    border-top: 0;
    border-left: var(--border-thin) solid var(--color-line);
    padding-left: var(--space-4);
  }
}

@media (min-width: 1024px) {
  .page-custom-steps .cs-step {
    padding-left: 88px;
  }

  .page-custom-steps .cs-step__head {
    grid-template-columns: 56px minmax(0, 1fr) auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-custom-steps .cs-ov__fill,
  .page-custom-steps .cs-step__node {
    transition: none;
  }
}