.page-solutions [id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-solutions .sol-hero {
  padding-block: var(--space-4) var(--space-6);
  background: linear-gradient(180deg, var(--color-primary-soft) 0%, transparent 66%);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-solutions .sol-hero__crumbs {
  margin-bottom: var(--space-4);
}

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

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

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

.page-solutions .sol-hero__copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-solutions .sol-hero__title {
  margin: 0;
  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);
  max-width: 16ch;
}

.page-solutions .sol-hero__lede {
  margin: 0;
  max-width: 56ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

.page-solutions .sol-stats {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: var(--space-3) var(--space-2);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
}

.page-solutions .sol-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.page-solutions .sol-stat__label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 六个专题 ---------- */
.page-solutions .sol-topics {
  padding-block: var(--section-y);
}

.page-solutions .sol-topics__head {
  max-width: var(--measure);
}

.page-solutions .sol-topics__title,
.page-solutions .sol-lookup__title,
.page-solutions .sol-cross__title,
.page-solutions .sol-exits__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-solutions .sol-topics__lede,
.page-solutions .sol-lookup__lede,
.page-solutions .sol-cross__lede,
.page-solutions .sol-exits__lede {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-solutions .sol-topics__legend {
  margin: var(--space-4) 0 0;
  max-width: 720px;
}

.page-solutions .sol-topics__legend img,
.page-solutions .sol-lookup__figure img,
.page-solutions .sol-cross__figure img,
.page-solutions .sol-exits__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-solutions .sol-topic-list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
}

.page-solutions .sol-topic {
  --mix: 0%;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding-block: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-solutions .sol-topic-list > .sol-topic:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-solutions .sol-topic--2 { --mix: 18%; }
.page-solutions .sol-topic--3 { --mix: 36%; }
.page-solutions .sol-topic--4 { --mix: 54%; }
.page-solutions .sol-topic--5 { --mix: 72%; }
.page-solutions .sol-topic--6 { --mix: 90%; }

.page-solutions .sol-topic__mark {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.page-solutions .sol-topic__num {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: color-mix(in srgb, var(--color-primary) calc(100% - var(--mix)), var(--color-accent) var(--mix));
}

.page-solutions .sol-topic__rule {
  flex: 1 1 auto;
  height: var(--border-thin);
  background: var(--color-line);
}

.page-solutions .sol-topic__main {
  display: flex;
  flex-direction: column;
}

.page-solutions .sol-topic__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-solutions .sol-topic__name {
  margin: 0;
  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 .sol-copy {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
  background: transparent;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-1);
  cursor: pointer;
  transition: border-color 120ms cubic-bezier(0.2, 0.7, 0.2, 1), color 120ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.page-solutions .sol-copy:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.page-solutions .sol-topic__lede {
  margin: var(--space-2) 0 0;
  max-width: 62ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-solutions .sol-points {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-solutions .sol-point {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-2);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-left: 3px solid color-mix(in srgb, var(--color-primary) calc(100% - var(--mix)), var(--color-accent) var(--mix));
  border-radius: var(--radius-sm);
}

.page-solutions .sol-point__code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

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

.page-solutions .sol-topic__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-solutions .sol-codes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-solutions .sol-code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  background: var(--color-surface-deep);
  border-radius: var(--radius-sm);
  padding: var(--space-1);
  font-variant-numeric: tabular-nums;
}

.page-solutions .sol-more {
  margin-left: auto;
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-solutions .sol-more:hover {
  color: var(--color-accent);
}

.page-solutions .sol-more:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

/* ---------- 场景速查 ---------- */
.page-solutions .sol-lookup {
  padding-block: var(--section-y);
  background: var(--color-surface-alt);
  border-block: var(--border-thin) solid var(--color-line);
}

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

.page-solutions .sol-lookup__figure {
  margin: var(--space-3) 0 0;
}

.page-solutions .sol-lookup__panel {
  min-width: 0;
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.page-solutions .sol-lookup__panel .tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-1);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  margin-bottom: var(--space-3);
}

.page-solutions .sol-lookup__panel .tab {
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-ink-soft);
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  cursor: pointer;
  transition: background-color 120ms cubic-bezier(0.2, 0.7, 0.2, 1), color 120ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.page-solutions .sol-lookup__panel .tab[aria-selected="true"] {
  color: var(--color-primary-ink);
  background: var(--color-primary);
}

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

.page-solutions .tabpanel[hidden] {
  display: none;
}

.page-solutions .sol-need {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-solutions .sol-need li {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding-block: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

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

.page-solutions .sol-need__topic {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-solutions .sol-need__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
  justify-self: start;
}

.page-solutions .sol-need__link:hover {
  color: var(--color-accent);
}

.page-solutions .sol-need__link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.page-solutions .sol-entry {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-solutions .sol-entry__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-2);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

.page-solutions .sol-entry__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--space-3);
  height: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-radius: var(--radius-sm);
}

.page-solutions .sol-entry__link {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-solutions .sol-entry__link:hover {
  color: var(--color-primary);
}

.page-solutions .sol-entry__link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.page-solutions .sol-entry p {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 交叉引用 ---------- */
.page-solutions .sol-cross {
  padding-block: var(--section-y);
}

.page-solutions .sol-cross__head {
  max-width: var(--measure);
}

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

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

.page-solutions .sol-cross__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

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

.page-solutions .sol-cross__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-solutions .sol-cross__codes {
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

.page-solutions .sol-cross__from {
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-1);
}

.page-solutions .sol-cross__tick {
  display: inline-block;
  width: var(--space-4);
  height: var(--border-thin);
  background: var(--color-line);
}

.page-solutions .sol-cross__to {
  color: var(--color-accent);
  border-bottom: var(--border-thin) solid currentColor;
  padding-bottom: var(--space-1);
}

.page-solutions .sol-cross__text {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 延伸入口 ---------- */
.page-solutions .sol-exits {
  padding-block: var(--section-y);
  background: var(--color-surface-deep);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-solutions .sol-exits__head {
  max-width: var(--measure);
}

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

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

.page-solutions .sol-exits__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-solutions .sol-exits__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-2);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: border-color 120ms cubic-bezier(0.2, 0.7, 0.2, 1), transform 120ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.page-solutions .sol-exits__item:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.page-solutions .sol-exits__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--space-3);
  height: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
  background: var(--color-surface-deep);
  border-radius: var(--radius-sm);
}

.page-solutions .sol-exits__link {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  text-decoration: none;
}

.page-solutions .sol-exits__link:hover {
  color: var(--color-primary);
}

.page-solutions .sol-exits__link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.page-solutions .sol-exits__item p {
  grid-column: 2;
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

/* ---------- 桌面布局 ---------- */
@media (min-width: 720px) {
  .page-solutions .sol-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-solutions .sol-need li {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) auto;
    align-items: baseline;
    gap: var(--space-3);
  }

  .page-solutions .sol-need__link {
    justify-self: end;
  }

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

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

@media (min-width: 900px) {
  .page-solutions .sol-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-6);
    align-items: start;
  }

  .page-solutions .sol-hero__figure {
    transform: translateY(calc(-1 * var(--space-3)));
  }

  .page-solutions .sol-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-solutions .sol-topic {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: var(--space-4);
  }

  .page-solutions .sol-topic__mark {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .page-solutions .sol-topic__rule {
    flex: 0 0 auto;
    width: var(--border-thin);
    height: auto;
    min-height: 120px;
    align-self: stretch;
    background: var(--color-line);
  }

  .page-solutions .sol-cross__grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-6);
    align-items: start;
  }

  .page-solutions .sol-exits__grid {
    grid-template-columns: 4fr 8fr;
    gap: var(--space-6);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-solutions .sol-lookup__grid {
    grid-template-columns: 4fr 8fr;
    gap: var(--space-6);
    align-items: start;
  }

  .page-solutions .sol-entry {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
<<<END>>>