.page-custom {
  --cs-rule: var(--border-thin) dotted var(--color-line);
  --cs-glow: color-mix(in srgb, var(--color-primary) 38%, transparent);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

.page-custom .index-label {
  margin: 0 0 var(--space-2);
}

/* ---------- 首屏方案台 ---------- */
.page-custom .cs-stage {
  padding-top: var(--space-6);
  padding-bottom: var(--section-y);
}

.page-custom .cs-stage__grid {
  display: grid;
  gap: var(--space-6);
}

.page-custom .cs-stage__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: var(--space-3) 0 var(--space-4);
  word-break: keep-all;
}

.page-custom .cs-stage__deck {
  max-width: 46ch;
  margin: 0 0 var(--space-4);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

.page-custom .cs-stage__facts li {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-custom .cs-stage__facts .num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.page-custom .cs-stage__band {
  display: grid;
  min-height: 320px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-custom .cs-stage__band .media-band__media {
  grid-area: 1 / 1;
  position: relative;
}

.page-custom .cs-stage__band .media-band__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.page-custom .cs-stage__band .media-band__scrim {
  grid-area: 1 / 1;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.page-custom .cs-stage__band .media-band__body {
  grid-area: 1 / 1;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  padding: var(--space-3);
}

.page-custom .cs-goalcard {
  width: 100%;
  padding: var(--space-4);
  border: var(--border-thin) solid var(--cs-glow);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-surface) 84%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.page-custom .cs-goalcard__head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.page-custom .cs-goalcard__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-3) 0;
}

.page-custom .cs-goalcard__metric {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.page-custom .cs-goalcard__value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-accent);
}

.page-custom .cs-goalcard__metric .stat-label {
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
}

.page-custom .cs-goalcard__list {
  list-style: none;
  margin: 0;
  padding: var(--space-3) 0 0;
  border-top: var(--border-thin) dotted var(--cs-glow);
  display: grid;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 索引 + 方案主体 ---------- */
.page-custom .cs-body {
  display: grid;
  gap: var(--space-6);
  padding-bottom: var(--section-y);
}

.page-custom .cs-rail {
  align-self: start;
  padding-left: var(--space-3);
  border-left: var(--cs-rule);
}

.page-custom .cs-rail .toc-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-3);
}

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

.page-custom .cs-rail .toc-link {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) dotted transparent;
  padding-bottom: 2px;
}

.page-custom .cs-rail .toc-link:hover,
.page-custom .cs-rail .toc-link:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--cs-glow);
}

/* ---------- 方案区块 ---------- */
.page-custom .cs-plan {
  position: relative;
  padding-bottom: var(--space-8);
}

.page-custom .cs-plan + .cs-plan {
  padding-top: var(--space-6);
  border-top: var(--cs-rule);
}

.page-custom .cs-plan__head {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-custom .cs-plan__num {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.05em;
  color: color-mix(in srgb, var(--color-primary) 32%, transparent);
}

.page-custom .cs-plan__title {
  margin: var(--space-2) 0 0;
  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);
}

.page-custom .cs-plan__meta {
  display: grid;
  gap: var(--space-3);
  max-width: var(--measure);
  margin-bottom: var(--space-4);
}

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

.page-custom .cs-plan__tag {
  display: inline-block;
  margin-right: var(--space-2);
  padding: 1px var(--space-2);
  border: var(--border-thin) solid var(--cs-glow);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  vertical-align: 2px;
}

.page-custom .cs-plan__items {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  border-top: var(--cs-rule);
}

.page-custom .cs-plan__items li {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--cs-rule);
}

.page-custom .cs-plan__items strong {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.02em;
  color: var(--color-ink);
}

.page-custom .cs-plan__items span {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-custom .cs-plan__start {
  position: relative;
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary-soft);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.page-custom .cs-plan__start::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-primary);
}

.page-custom .cs-plan__more {
  margin: 0;
}

.page-custom .cs-plan__figure {
  margin: 0;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-custom .cs-plan__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-custom .cs-plan__figure .media-frame__caption {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

/* 方案二：图文错位 */
.page-custom .cs-plan__split {
  display: grid;
  gap: var(--space-4);
}

.page-custom .cs-plan__text .cs-plan__meta {
  max-width: none;
}

/* 方案三：全宽图带 */
.page-custom .cs-plan__band {
  display: grid;
  min-height: 260px;
  margin-bottom: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-custom .cs-plan__band .media-band__media {
  grid-area: 1 / 1;
  position: relative;
}

.page-custom .cs-plan__band .media-band__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.page-custom .cs-plan__band .media-band__scrim {
  grid-area: 1 / 1;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.page-custom .cs-plan__band .media-band__body {
  grid-area: 1 / 1;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-4);
}

.page-custom .cs-plan__band-label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-contrast-accent);
}

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

.page-custom .cs-plan__band-value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-contrast-ink);
}

.page-custom .cs-plan__band-unit {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
}

/* 方案四：玻璃卡 + 图 */
.page-custom .cs-plan__device {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.page-custom .cs-devicecard {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
}

.page-custom .cs-devicecard__head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.page-custom .cs-devicecard__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.page-custom .cs-devicecard__cell {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  border: var(--border-thin) dotted var(--cs-glow);
  border-radius: var(--radius-sm);
}

.page-custom .cs-devicecard__cell .num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-accent);
}

.page-custom .cs-devicecard__cell span:last-child {
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-custom .cs-devicecard__note {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) dotted var(--cs-glow);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 交付周期 ---------- */
.page-custom .cs-cycle {
  padding: var(--section-y) 0;
  border-top: var(--cs-rule);
}

.page-custom .cs-cycle__grid {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

.page-custom .cs-cycle__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-custom .cs-cycle__deck {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-custom .cs-cycle__figure {
  margin: 0;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-custom .cs-cycle__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-custom .cs-cycle__figure .media-frame__caption {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.page-custom .cs-fold {
  margin-top: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
}

.page-custom .cs-fold__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
}

.page-custom .cs-fold__sum::-webkit-details-marker {
  display: none;
}

.page-custom .cs-fold__sum::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-accent);
}

.page-custom .cs-fold[open] .cs-fold__sum::after {
  content: "–";
}

.page-custom .cs-fold__body {
  padding: var(--space-3) var(--space-4) var(--space-4);
  border-top: var(--cs-rule);
}

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

.page-custom .cs-fold__list li {
  display: grid;
  gap: var(--space-1);
}

.page-custom .cs-fold__list strong {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-custom .cs-fold__list span {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 出口 ---------- */
.page-custom .cs-outro {
  padding: var(--section-y) 0 var(--section-y-lg);
  border-top: var(--cs-rule);
  background: color-mix(in srgb, var(--color-surface-alt) 70%, transparent);
}

.page-custom .cs-outro__title {
  margin: var(--space-2) 0 var(--space-3);
  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);
}

.page-custom .cs-outro__deck {
  max-width: var(--measure);
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-custom .cs-outro__btn {
  display: inline-block;
}

.page-custom .cp-link,
.page-custom a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-custom .cs-plan__head {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-custom .cs-plan__items li {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: baseline;
  }
}

@media (min-width: 768px) {
  .page-custom .cs-stage__band {
    min-height: 400px;
  }

  .page-custom .cs-stage__band .media-band__media img {
    min-height: 400px;
  }

  .page-custom .cs-plan__band {
    min-height: 340px;
  }

  .page-custom .cs-plan__band .media-band__media img {
    min-height: 340px;
  }

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

@media (min-width: 900px) {
  .page-custom .cs-stage__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
    align-items: end;
  }

  .page-custom .cs-plan__split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-custom .cs-plan__device {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: var(--space-6);
    align-items: stretch;
  }

  .page-custom .cs-plan__device .cs-plan__figure img {
    height: 100%;
  }
}

@media (min-width: 1024px) {
  .page-custom .cs-body {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: var(--space-8);
  }

  .page-custom .cs-rail {
    position: sticky;
    top: 108px;
  }

  .page-custom .cs-plan--squad .cs-plan__figure {
    margin-right: calc(var(--gutter) * -1);
  }

  .page-custom .cs-plan__num {
    font-size: var(--text-figure);
  }
}
<<<END>>>