.page-solutions {
  --sol-circle-size: 208px;
  --sol-bleed: 24px;
}

/* ---------- 面包屑 ---------- */
.page-solutions .breadcrumb {
  padding-top: var(--space-3);
}
.page-solutions .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}
.page-solutions .breadcrumb li + li::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--color-line);
}
.page-solutions .breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
}
.page-solutions .breadcrumb a:hover,
.page-solutions .breadcrumb a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- 首屏 ---------- */
.page-solutions .hero-matrix {
  position: relative;
  overflow-x: clip;
  padding-bottom: var(--space-8);
}

.page-solutions .hero-grid {
  display: grid;
  gap: var(--space-6);
}

.page-solutions .hero-copy {
  position: relative;
  z-index: 2;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  padding: var(--space-6) var(--space-4);
}

.page-solutions .hero-copy .kicker {
  color: var(--color-primary-ink);
  opacity: 0.85;
}

.page-solutions .hero-title {
  margin: var(--space-2) 0 var(--space-3);
  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-primary-ink);
}

.page-solutions .hero-lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-primary-ink) 88%, transparent);
}

.page-solutions .hero-aside {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page-solutions .hero-circle {
  flex: none;
  width: var(--sol-circle-size);
  height: var(--sol-circle-size);
  margin: 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-contrast-surface);
  border: var(--border-thick) solid var(--color-contrast-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-solutions .hero-figures {
  margin: 0;
  padding: var(--space-2);
  display: grid;
  gap: var(--space-1);
  text-align: center;
}
.page-solutions .hero-figures > div {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 2px;
}
.page-solutions .hero-figures dt {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-contrast-ink);
}
.page-solutions .hero-figures dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.1;
  color: var(--color-contrast-accent);
}

.page-solutions .hero-media {
  margin: 0;
}
.page-solutions .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--border-thick) solid var(--color-ink);
  background: var(--color-surface-deep);
  object-fit: cover;
}
.page-solutions .hero-media figcaption {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-solutions .hero-slash {
  display: none;
}

@media (min-width: 940px) {
  .page-solutions .hero-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    column-gap: var(--gutter);
    row-gap: 0;
    align-items: start;
  }
  .page-solutions .hero-copy {
    grid-column: 1 / 5;
    grid-row: 1;
    padding: var(--space-8) var(--space-6) var(--space-8) var(--space-4);
    min-height: 460px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .page-solutions .hero-aside {
    grid-column: 4 / 7;
    grid-row: 1;
    padding-top: var(--space-8);
  }
  .page-solutions .hero-circle {
    position: absolute;
    top: 0;
    left: calc(var(--sol-bleed) * -3.4);
    margin: 0;
    z-index: 3;
  }
  .page-solutions .hero-slash {
    display: block;
    position: absolute;
    right: 0;
    bottom: var(--space-6);
    width: min(300px, 26%);
    height: 88px;
    background: var(--color-accent);
    transform: skewY(-6deg);
    z-index: 0;
  }
}

/* ---------- 通用区块头 ---------- */
.page-solutions .section-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}
.page-solutions .section-head .kicker {
  margin-bottom: var(--space-1);
}
.page-solutions .section-head .title-xl {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}
.page-solutions .section-head .prose,
.page-solutions .section-head .lede {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 筛选条 ---------- */
.page-solutions .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  margin-bottom: var(--space-6);
}
.page-solutions .filter-count {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin-left: auto;
}

/* ---------- 矩阵骨架 ---------- */
.page-solutions .matrix-shell {
  display: block;
}

.page-solutions .matrix-groups {
  display: grid;
  gap: var(--space-8);
}

.page-solutions .side-index {
  position: static;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-solutions .side-index-link {
  display: block;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  text-decoration: none;
  padding: 2px var(--space-1);
  border-left: var(--border-thick) solid transparent;
}
.page-solutions .side-index-link:hover,
.page-solutions .side-index-link:focus-visible {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}
.page-solutions .side-index-link[aria-current="true"] {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: var(--weight-heading);
}

@media (min-width: 1000px) {
  .page-solutions .matrix-shell {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr);
    column-gap: var(--space-6);
    align-items: start;
  }
  .page-solutions .side-index {
    position: sticky;
    top: var(--space-4);
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
  }
}

/* ---------- 分组条目 ---------- */
.page-solutions .matrix-group {
  position: relative;
  display: grid;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
}
.page-solutions .matrix-group::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 68%;
  height: var(--border-thick);
  background: var(--color-line);
}
.page-solutions .matrix-group:nth-child(even)::after {
  left: auto;
  right: 0;
  background: var(--color-primary-soft);
}

.page-solutions .group-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.page-solutions .group-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
}
.page-solutions .matrix-group:nth-child(even) .group-num {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}
.page-solutions .group-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}
.page-solutions .group-lede {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-solutions .group-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.page-solutions .group-points li {
  position: relative;
  padding-left: var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}
.page-solutions .group-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 12px;
  height: 4px;
  background: var(--color-primary);
}
.page-solutions .matrix-group:nth-child(even) .group-points li::before {
  background: var(--color-accent);
}
.page-solutions .point-key {
  margin-right: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}
.page-solutions .point-val {
  color: var(--color-ink);
}

.page-solutions .group-media {
  margin: 0;
  padding: var(--space-2);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-ink);
}
.page-solutions .group-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--color-surface-deep);
}

.page-solutions .group-bars {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-3);
  min-height: 220px;
  padding: var(--space-4);
  background: var(--color-accent);
}
.page-solutions .bar {
  display: block;
  height: 26px;
  background: var(--color-accent-ink);
}
.page-solutions .bar--a { width: 46%; }
.page-solutions .bar--b { width: 74%; }
.page-solutions .bar--c { width: 100%; }

@media (min-width: 860px) {
  .page-solutions .matrix-group {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    column-gap: var(--space-6);
    align-items: start;
  }
  .page-solutions .matrix-group:nth-child(even) {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
  .page-solutions .matrix-group:nth-child(even) .group-text { order: 2; }
  .page-solutions .matrix-group:nth-child(even) .group-media { order: 1; }
  .page-solutions .matrix-group:nth-child(even) .group-bars { order: 1; }
  .page-solutions .matrix-group:nth-child(odd) .group-media,
  .page-solutions .matrix-group:nth-child(odd) .group-bars {
    margin-top: var(--space-6);
  }
  .page-solutions .matrix-group:nth-child(3n + 2) {
    margin-left: var(--space-4);
  }
  .page-solutions .matrix-group:nth-child(3n) {
    margin-right: var(--space-6);
  }
}

/* ---------- 字段表 ---------- */
.page-solutions .table-wrap {
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
}
.page-solutions .field-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: var(--text-base);
}
.page-solutions .field-table th,
.page-solutions .field-table td {
  text-align: left;
  vertical-align: top;
  padding: var(--space-2) var(--space-3);
  line-height: var(--leading-body);
}
.page-solutions .field-table thead th {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
}
.page-solutions .field-table tbody th {
  width: 18%;
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-solutions .field-table tbody td {
  color: var(--color-ink-soft);
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-solutions .field-table tbody tr:nth-child(even) {
  background: var(--color-surface-deep);
}

/* ---------- 路径图 ---------- */
.page-solutions .path-figure {
  margin: 0;
  padding: var(--space-4) 0 0;
}
.page-solutions .path-scroll {
  overflow-x: auto;
}
.page-solutions .path-figure svg {
  display: block;
  width: 100%;
  min-width: 560px;
  height: auto;
}
.page-solutions .path-links path {
  fill: none;
  stroke: var(--color-ink-muted);
  stroke-width: 2;
  stroke-dasharray: 7 5;
}
.page-solutions .path-nodes rect {
  fill: var(--color-primary-soft);
  stroke: var(--color-ink);
  stroke-width: 2;
}
.page-solutions .path-nodes rect:nth-child(1) { fill: var(--color-primary); }
.page-solutions .path-nodes rect:nth-child(3) { fill: var(--color-surface-deep); }
.page-solutions .path-nodes rect:nth-child(4) { fill: var(--color-accent); }
.page-solutions .path-nodes rect:nth-child(5) { fill: var(--color-contrast-surface); }
.page-solutions .path-labels text {
  text-anchor: middle;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  fill: var(--color-ink);
}
.page-solutions .path-labels text:nth-child(1) { fill: var(--color-primary-ink); }
.page-solutions .path-labels text:nth-child(4) { fill: var(--color-accent-ink); }
.page-solutions .path-labels text:nth-child(5) { fill: var(--color-contrast-accent); }
.page-solutions .path-figure figcaption {
  margin-top: var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 更新节奏 ---------- */
.page-solutions .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}
.page-solutions .rhythm-item {
  padding: var(--space-4);
  border-left: var(--border-thick) solid var(--color-contrast-accent);
  background: color-mix(in srgb, var(--color-contrast-surface) 62%, var(--color-contrast-line));
}
.page-solutions .rhythm-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-accent);
  margin-bottom: var(--space-1);
}
.page-solutions .rhythm-title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}
.page-solutions .rhythm-item p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}
.page-solutions .rhythm-note {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}
.page-solutions .rhythm-note p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

@media (min-width: 860px) {
  .page-solutions .rhythm-list {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-3);
    align-items: stretch;
  }
  .page-solutions .rhythm-item:nth-child(2) {
    transform: translateY(var(--space-4));
  }
}

/* ---------- 相邻入口 ---------- */
.page-solutions .next-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}
.page-solutions .next-card {
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  transition: transform 0.22s ease, border-color 0.22s ease;
}
.page-solutions .next-card:hover,
.page-solutions .next-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}
.page-solutions .next-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}
.page-solutions .next-title a {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thick) solid var(--color-primary);
}
.page-solutions .next-title a:hover,
.page-solutions .next-title a:focus-visible {
  color: var(--color-primary);
}
.page-solutions .next-card p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

@media (min-width: 760px) {
  .page-solutions .next-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-3);
  }
  .page-solutions .next-card:nth-child(1) { grid-column: span 3; }
  .page-solutions .next-card:nth-child(2) { grid-column: span 3; background: var(--color-highlight); }
  .page-solutions .next-card:nth-child(3) { grid-column: span 2; }
  .page-solutions .next-card:nth-child(4) { grid-column: span 4; background: var(--color-surface-alt); }
}
<<<END>>>