.page-solutions {
  --sol-dark-soft: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
  --sol-dark-line: var(--color-contrast-line);
}

/* ---------- 通用小件 ---------- */
.page-solutions .sol-lede {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin: 0;
}

.page-solutions .sol-head {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.page-solutions .sol-head h2 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-solutions .sol-fig {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-primary);
  display: block;
}

.page-solutions .sol-head--dark h2 {
  color: var(--color-contrast-ink);
}

.page-solutions .sol-lede--dark {
  color: var(--sol-dark-soft);
}

/* ---------- 首屏 ---------- */
.page-solutions .sol-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding-block: var(--space-6) var(--space-8);
}

.page-solutions .sol-hero__lead {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-solutions .sol-hero__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0;
  text-wrap: balance;
}

.page-solutions .sol-hero__facts {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: var(--space-3) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}

.page-solutions .sol-hero__facts li {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.page-solutions .sol-fact__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

.page-solutions .sol-hero__side {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-solutions .sol-hero__media {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-contrast-surface);
}

.page-solutions .sol-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-solutions .sol-hero__index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-solutions .sol-hero__index a {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no name"
    "no note";
  align-items: center;
  gap: 0 var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-left: var(--border-thin) solid var(--color-contrast-accent);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background-color 160ms ease, transform 160ms ease;
}

.page-solutions .sol-hero__index a:hover,
.page-solutions .sol-hero__index a:focus-visible {
  background: color-mix(in srgb, var(--color-contrast-surface) 84%, var(--color-primary));
  transform: translateX(3px);
}

.page-solutions .sol-hero__index a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-solutions .sol-hero__index li:nth-child(1) a { padding-block: var(--space-3); }
.page-solutions .sol-hero__index li:nth-child(2) a { padding-block: var(--space-2); }
.page-solutions .sol-hero__index li:nth-child(3) a { padding-block: var(--space-1); }

.page-solutions .sol-hero__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-contrast-accent);
}

.page-solutions .sol-hero__name {
  grid-area: name;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  line-height: 1.4;
}

.page-solutions .sol-hero__note {
  grid-area: note;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
}

/* ---------- 矩阵 ---------- */
.page-solutions .sol-matrix__jump {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
  margin: 0;
}

.page-solutions .sol-matrix__jump a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary-soft);
}

.page-solutions .sol-matrix__jump a:hover,
.page-solutions .sol-matrix__jump a:focus-visible {
  border-bottom-color: var(--color-primary);
}

.page-solutions .sol-matrix__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-solutions .sol-group {
  display: grid;
  align-content: start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border-top: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
  scroll-margin-top: 110px;
}

.page-solutions .sol-group--solo {
  background: var(--color-surface);
  border-top-color: var(--color-primary);
}

.page-solutions .sol-group--archive {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top-color: var(--color-contrast-accent);
}

.page-solutions .sol-group--team {
  background: var(--color-highlight);
  border-top-color: var(--color-accent);
}

.page-solutions .sol-group__no {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  line-height: 1;
  color: var(--color-primary);
  margin: 0;
}

.page-solutions .sol-group--archive .sol-group__no {
  color: var(--color-contrast-accent);
}

.page-solutions .sol-group--team .sol-group__no {
  color: var(--color-accent);
}

.page-solutions .sol-group__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-solutions .sol-group--archive .sol-group__title {
  color: var(--color-contrast-ink);
}

.page-solutions .sol-group__for {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
  margin: 0;
}

.page-solutions .sol-group--archive .sol-group__for {
  color: var(--sol-dark-soft);
}

.page-solutions .sol-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-solutions .sol-points li {
  position: relative;
  padding-left: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.page-solutions .sol-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 12px;
  height: var(--border-thin);
  background: var(--color-primary);
}

.page-solutions .sol-group--archive .sol-points li {
  color: var(--sol-dark-soft);
}

.page-solutions .sol-group--archive .sol-points li::before {
  background: var(--color-contrast-accent);
}

.page-solutions .sol-group--team .sol-points li::before {
  background: var(--color-accent);
}

.page-solutions .sol-group__out {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-ink-muted);
  margin: 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-solutions .sol-group--archive .sol-group__out {
  color: var(--sol-dark-soft);
  border-top-color: var(--sol-dark-line);
}

.page-solutions .sol-group--team .sol-group__out {
  color: var(--color-ink-soft);
  border-top-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.page-solutions .sol-group__media {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-solutions .sol-group__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-solutions .sol-group__cta {
  margin: 0;
}

/* ---------- 对照 ---------- */
.page-solutions .sol-compare__media {
  margin: 0 0 var(--space-4);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-solutions .sol-compare__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-solutions .sol-compare {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-solutions .sol-compare__box {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  overflow: hidden;
}

.page-solutions .sol-compare__box[open] {
  background: var(--color-surface-alt);
}

.page-solutions .sol-compare__summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-3);
  cursor: pointer;
  list-style: none;
}

.page-solutions .sol-compare__summary::-webkit-details-marker {
  display: none;
}

.page-solutions .sol-compare__summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.page-solutions .sol-compare__no {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-primary);
}

.page-solutions .sol-compare__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-ink);
}

.page-solutions .sol-compare__cell {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-solutions .sol-compare__hint {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-solutions .sol-compare__detail {
  padding: 0 var(--space-3) var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  margin-top: var(--space-2);
  padding-top: var(--space-3);
}

.page-solutions .sol-compare__detail p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
}

.page-solutions .sol-compare__detail p:last-child {
  margin-bottom: 0;
}

.page-solutions .sol-compare__foot {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-muted);
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  max-width: var(--measure);
}

/* ---------- 边界 ---------- */
.page-solutions .sol-boundaries {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--section-y);
  margin-top: var(--section-y);
}

.page-solutions .sol-boundaries__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-solutions .sol-boundaries__col {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--sol-dark-line);
}

.page-solutions .sol-boundaries__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
  margin: 0;
}

.page-solutions .sol-boundaries__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-solutions .sol-boundaries__list li {
  position: relative;
  padding-left: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--sol-dark-soft);
}

.page-solutions .sol-boundaries__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 12px;
  height: var(--border-thin);
  background: var(--color-contrast-accent);
}

.page-solutions .sol-boundaries__list--no li::before {
  background: var(--color-contrast-line);
}

.page-solutions .sol-boundaries__foot {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--sol-dark-soft);
  margin: var(--space-6) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--sol-dark-line);
  max-width: var(--measure);
}

.page-solutions .sol-boundaries__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-solutions {
    --gutter: 32px;
  }

  .page-solutions .sol-hero {
    padding-block: var(--space-8) var(--space-8);
  }

  .page-solutions .sol-compare__summary {
    grid-template-columns: 3ch minmax(0, 2fr) repeat(3, minmax(0, 1fr)) auto;
    align-items: center;
    gap: var(--space-3);
  }

  .page-solutions .sol-compare__hint {
    text-align: right;
  }

  .page-solutions .sol-boundaries__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-8);
  }
}

@media (min-width: 960px) {
  .page-solutions .sol-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: var(--space-8);
  }

  .page-solutions .sol-matrix__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
    gap: var(--space-3);
    align-items: start;
  }

  .page-solutions .sol-group {
    padding: var(--space-3);
  }

  .page-solutions .sol-group--solo {
    padding: var(--space-4);
  }

  .page-solutions .sol-group--archive {
    margin-top: var(--space-4);
  }

  .page-solutions .sol-group--team {
    margin-top: var(--space-8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-solutions .sol-hero__index a {
    transition: none;
  }

  .page-solutions .sol-hero__index a:hover,
  .page-solutions .sol-hero__index a:focus-visible {
    transform: none;
  }
}
<<<END>>>