.page-solutions {
  --sol-figure-size: clamp(30px, 6vw, var(--text-3xl));
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 首屏 ---------- */
.page-solutions .sol-hero {
  position: relative;
  background: var(--color-surface-alt);
  padding-top: var(--section-y-lg);
}

.page-solutions .sol-hero__inner {
  display: grid;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
}

@media (min-width: 980px) {
  .page-solutions .sol-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: var(--space-8);
    padding-bottom: var(--section-y);
  }
}

.page-solutions .sol-hero__copy {
  display: grid;
  gap: var(--space-3);
  justify-items: start;
}

.page-solutions .sol-hero__title {
  margin: 0;
  color: var(--color-ink);
  line-height: var(--leading-heading);
}

.page-solutions .sol-hero__lede {
  max-width: 44ch;
  margin: 0;
  color: var(--color-ink-soft);
}

.page-solutions .sol-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.page-solutions .sol-hero__jump a {
  display: inline-block;
  padding: 6px var(--space-2);
  background: var(--color-surface);
  color: var(--color-ink);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

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

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

/* 深色数据条带 */
.page-solutions .sol-hero__figures {
  display: grid;
  gap: 0;
  padding: var(--space-4) var(--space-4) var(--space-2);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  clip-path: polygon(0 18px, 100% 0, 100% 100%, 0 100%);
}

.page-solutions .sol-figure {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: var(--space-2);
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-contrast-line);
}

.page-solutions .sol-figure:last-child {
  border-bottom: 0;
}

.page-solutions .sol-figure__num {
  font-family: var(--font-mono);
  font-size: var(--sol-figure-size);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-contrast-accent);
}

.page-solutions .sol-figure__label {
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--color-contrast-ink);
}

.page-solutions .sol-hero__media {
  position: relative;
  margin: 0;
  background: var(--color-contrast-surface);
}

.page-solutions .sol-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 560px;
  object-fit: cover;
}

.page-solutions .sol-hero__media::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 8px;
  background: linear-gradient(
    90deg,
    var(--color-primary) 0 50%,
    var(--color-accent) 50% 100%
  );
}

/* ---------- 档位区块 ---------- */
.page-solutions .sol-tier {
  padding-block: var(--section-y);
}

.page-solutions .sol-tier--alt {
  background: var(--color-surface-alt);
}

.page-solutions .sol-tier__head {
  display: grid;
  gap: var(--space-2);
  justify-items: start;
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-solutions .sol-tier__mark {
  margin: 0;
  padding: 5px var(--space-3) 5px var(--space-2);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-solutions .sol-tier__title {
  margin: 0;
  color: var(--color-ink);
}

.page-solutions .sol-tier__lede {
  margin: 0;
  color: var(--color-ink-soft);
}

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

@media (min-width: 980px) {
  .page-solutions .sol-tier__body {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }
}

/* 指标清单 */
.page-solutions .sol-spec {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-solutions .sol-spec__item {
  display: grid;
  gap: 4px;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.page-solutions .sol-spec__item:first-child {
  border-top: 1px solid var(--color-line);
}

@media (min-width: 720px) {
  .page-solutions .sol-spec__item {
    grid-template-columns: minmax(0, 0.34fr) minmax(0, 0.66fr);
    gap: var(--space-3);
    align-items: baseline;
  }
}

.page-solutions .sol-spec__key {
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-solutions .sol-spec__val {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-solutions .sol-spec__val a {
  color: var(--color-accent);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

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

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

.page-solutions .sol-tier__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-top: var(--border-thick) solid var(--color-primary);
  background: var(--color-surface-deep);
}

.page-solutions .sol-tier__figure figcaption {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

.page-solutions .sol-tier__note {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary-soft);
  color: var(--color-ink);
  font-size: var(--text-sm);
  line-height: 1.55;
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-solutions .sol-tier__more > summary.collapse__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  cursor: pointer;
  padding-block: var(--space-2);
  border-top: 1px solid var(--color-line);
  font-weight: 700;
  color: var(--color-ink);
}

.page-solutions .sol-tier__more .collapse__body {
  padding-block: var(--space-1) var(--space-3);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-solutions .sol-tier__more .collapse__body p {
  margin: 0;
}

/* ---------- 对照区 ---------- */
.page-solutions .sol-compare {
  padding-block: var(--section-y-lg);
  background: var(--color-surface);
}

.page-solutions .sol-compare__head {
  display: grid;
  gap: var(--space-2);
  justify-items: start;
  max-width: var(--measure);
}

.page-solutions .sol-compare__head h2 {
  margin: 0;
  color: var(--color-ink);
}

.page-solutions .sol-compare__lede {
  margin: 0;
  color: var(--color-ink-soft);
}

.page-solutions .sol-matrix-wrap {
  margin-top: var(--space-6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-solutions .sol-matrix {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: var(--text-sm);
  line-height: 1.45;
}

.page-solutions .sol-matrix caption {
  caption-side: top;
  text-align: left;
  padding-bottom: var(--space-2);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

.page-solutions .sol-matrix th,
.page-solutions .sol-matrix td {
  text-align: left;
  vertical-align: top;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.page-solutions .sol-matrix thead th {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: 1.3;
  border-bottom: 0;
  white-space: nowrap;
}

.page-solutions .sol-matrix thead th:first-child {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-solutions .sol-matrix__tier {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

.page-solutions .sol-matrix tbody th {
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-surface-alt);
}

.page-solutions .sol-matrix tbody td {
  color: var(--color-ink-soft);
}

.page-solutions .sol-matrix tbody tr:nth-child(even) td {
  background: var(--color-surface-alt);
}

.page-solutions .sol-matrix tbody td.is-strong {
  color: var(--color-ink);
  font-weight: 700;
  box-shadow: inset 0 3px 0 var(--color-accent);
}

/* ---------- 选择建议 ---------- */
.page-solutions .sol-pick {
  padding-block: var(--section-y);
  background: var(--color-surface-alt);
}

.page-solutions .sol-pick__title {
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
}

.page-solutions .sol-pick__line {
  margin: 0 0 var(--space-6);
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 40ch;
}

.page-solutions .sol-pick__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 860px) {
  .page-solutions .sol-pick__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }
}

.page-solutions .sol-pick__item {
  display: grid;
  gap: 6px;
  padding: var(--space-3);
  background: var(--color-surface);
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-solutions .sol-pick__key {
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-solutions .sol-pick__val {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 对接入口 ---------- */
.page-solutions .sol-cta {
  position: relative;
  overflow: hidden;
  padding-block: var(--section-y-lg);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-solutions .sol-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    color-mix(in srgb, var(--color-contrast-line) 55%, transparent) 0 1px,
    transparent 1px 8px
  );
  opacity: 0.5;
  pointer-events: none;
}

.page-solutions .sol-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-3);
  justify-items: start;
  max-width: 64ch;
}

.page-solutions .sol-cta__title {
  margin: 0;
  color: var(--color-contrast-ink);
}

.page-solutions .sol-cta__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-solutions .sol-cta__text--soft {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, var(--color-contrast-surface));
}

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

@media (max-width: 480px) {
  .page-solutions .sol-hero__figures {
    padding: var(--space-3) var(--space-3) var(--space-1);
    clip-path: polygon(0 12px, 100% 0, 100% 100%, 0 100%);
  }

  .page-solutions .sol-figure {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-solutions .sol-tier__body,
  .page-solutions .sol-spec__item {
    grid-template-columns: minmax(0, 1fr);
  }
}

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