.page-solutions {
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  overflow-x: hidden;
}

.page-solutions .container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  box-sizing: border-box;
}

.page-solutions .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-solutions .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-4);
}

.page-solutions .breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: border-color 160ms linear, color 160ms linear;
}

.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 .sol-hero {
  padding-top: calc(var(--space-8) + var(--space-6));
  padding-bottom: var(--section-y);
}

.page-solutions .sol-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: center;
}

.page-solutions .kicker {
  display: inline-block;
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin: 0;
}

.page-solutions .display-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 0;
}

.page-solutions .lede {
  font-size: var(--text-lg);
  line-height: 1.62;
  color: var(--color-ink-soft);
  max-width: 42ch;
  margin: var(--space-4) 0 0;
}

.page-solutions .sol-hero__figure {
  margin: var(--space-6) 0 0;
}

.page-solutions .sol-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

/* ---------- 刻度盘 ---------- */
.page-solutions .sol-dial {
  position: relative;
}

.page-solutions .sol-dial__svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 560px;
  margin-inline: auto;
}

.page-solutions .sol-dial__arc {
  fill: none;
  stroke-linecap: butt;
  transition: stroke-width 180ms linear;
}

.page-solutions .sol-dial__arc--1 {
  stroke: var(--color-accent);
  stroke-width: 3;
}

.page-solutions .sol-dial__arc--2 {
  stroke: color-mix(in srgb, var(--color-accent) 58%, var(--color-primary));
  stroke-width: 6;
}

.page-solutions .sol-dial__arc--3 {
  stroke: color-mix(in srgb, var(--color-primary) 68%, var(--color-accent));
  stroke-width: 9;
}

.page-solutions .sol-dial__arc--4 {
  stroke: var(--color-primary);
  stroke-width: 12;
}

.page-solutions .sol-dial__hub {
  fill: var(--color-surface-alt);
  stroke: var(--color-line);
  stroke-width: 1;
}

.page-solutions .sol-dial__hub-num {
  font-family: var(--font-mono);
  font-size: 42px;
  fill: var(--color-ink);
}

.page-solutions .sol-dial__hub-unit {
  font-family: var(--font-body);
  font-size: 17px;
  fill: var(--color-ink-muted);
}

.page-solutions .sol-dial__badges {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}

.page-solutions .sol-dial__badges li {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-solutions .sol-dial__badge-num {
  font-size: var(--text-lg);
  color: var(--color-primary);
  line-height: 1;
}

.page-solutions .sol-dial__badge-text {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 首屏数据条 ---------- */
.page-solutions .sol-stats {
  list-style: none;
  margin: var(--space-8) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  border-top: 3px double var(--color-line);
  padding-top: var(--space-4);
}

.page-solutions .sol-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-solutions .sol-stat__num {
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-ink);
}

.page-solutions .sol-stat__label {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 区块头 ---------- */
.page-solutions .sol-section-head {
  max-width: 62ch;
  margin-bottom: var(--space-6);
}

.page-solutions .sol-section-lede {
  font-size: var(--text-base);
  color: var(--color-ink-soft);
  margin: var(--space-3) 0 0;
}

.page-solutions .section-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: var(--space-3) 0 0;
}

.page-solutions .label,
.page-solutions .label-soft {
  display: inline-block;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

.page-solutions .label {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-solutions .label-soft {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

.page-solutions .link-underline {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  transition: color 160ms linear, border-color 160ms linear;
}

.page-solutions .link-underline:hover,
.page-solutions .link-underline:focus-visible {
  color: var(--color-primary);
  border-bottom-width: 3px;
}

/* ---------- 四档并列 ---------- */
.page-solutions .sol-tier {
  border-top: 3px double var(--color-line);
  padding: var(--space-6) 0;
}

.page-solutions .sol-tier:last-child {
  border-bottom: 3px double var(--color-line);
}

.page-solutions .sol-tier__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  margin-bottom: var(--space-3);
}

.page-solutions .figure-num {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  line-height: 1;
  color: var(--color-primary);
}

.page-solutions .sol-tier__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
}

.page-solutions .sol-tier__lede {
  font-size: var(--text-base);
  color: var(--color-ink-soft);
  max-width: 62ch;
  margin: 0 0 var(--space-4);
}

.page-solutions .sol-tier__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
  padding: 0;
}

.page-solutions .sol-tier__facts > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding-left: var(--space-3);
  border-left: 3px solid var(--color-primary-soft);
}

.page-solutions .sol-tier__facts dt {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.page-solutions .sol-tier__facts dd {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

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

.page-solutions .sol-tier__fold summary {
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-ink);
  padding: var(--space-2) 0;
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
  list-style: none;
}

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

.page-solutions .sol-tier__fold summary::before {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--color-primary);
  margin-right: var(--space-2);
}

.page-solutions .sol-tier__fold[open] summary::before {
  content: "－";
}

.page-solutions .sol-tier__fold .fold-body p {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  max-width: 62ch;
}

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

.page-solutions .sol-tier__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

/* ---------- 差异对照 ---------- */
.page-solutions .sol-table-wrap {
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  border-top: 3px double var(--color-line);
}

.page-solutions .sol-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-solutions .sol-table th,
.page-solutions .sol-table td {
  text-align: left;
  padding: var(--space-3) var(--space-3) var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  vertical-align: top;
  scroll-snap-align: start;
}

.page-solutions .sol-table thead th {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-primary-ink);
  background-color: var(--color-primary);
  padding-inline: var(--space-2);
  white-space: nowrap;
}

.page-solutions .sol-table thead th:first-child {
  background-color: var(--color-surface-deep);
  color: var(--color-ink-soft);
}

.page-solutions .sol-table tbody th {
  font-weight: 400;
  color: var(--color-ink);
  width: 20%;
}

.page-solutions .sol-table tbody td {
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

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

/* ---------- 组合场景 ---------- */
.page-solutions .sol-scenes-figure {
  margin: 0 0 var(--space-6);
}

.page-solutions .sol-scenes-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.page-solutions .sol-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-solutions .sol-scene {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-solutions .sol-scene:first-child {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-solutions .sol-scene__num {
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-primary);
}

.page-solutions .sol-scene__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-solutions .sol-scene__body p {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  color: var(--color-ink-soft);
  max-width: 64ch;
}

.page-solutions .sol-scene__pick {
  font-size: var(--text-sm) !important;
  color: var(--color-ink) !important;
  padding-left: var(--space-3);
  border-left: 3px solid var(--color-primary);
}

.page-solutions .sol-scene__pick strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* ---------- 选择建议与出口 ---------- */
.page-solutions .sol-pick__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-solutions .sol-pick__lead p {
  font-size: var(--text-base);
  color: var(--color-ink-soft);
  max-width: 62ch;
  margin: var(--space-3) 0 0;
}

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

.page-solutions .sidenote {
  margin: 0;
  padding: var(--space-3);
  background-color: var(--color-surface-alt);
  border-left: 3px solid var(--color-accent);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-solutions .sidenote-num {
  display: inline-block;
  font-size: var(--text-base);
  color: var(--color-accent);
  margin-right: var(--space-2);
}

.page-solutions .sol-exits {
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 3px double var(--color-line);
}

.page-solutions .sol-exits__lead {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-4);
}

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

.page-solutions .sol-exit {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: var(--space-3);
  background-color: var(--color-surface-alt);
  border-left: 3px solid var(--color-line);
  transition: background-color 160ms linear, border-color 160ms linear;
}

.page-solutions .sol-exit:hover,
.page-solutions .sol-exit:focus-visible {
  background-color: var(--color-highlight);
  border-left-color: var(--color-primary);
}

.page-solutions .sol-exit__title {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin-bottom: var(--space-1);
}

.page-solutions .sol-exit__desc {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-solutions .sol-exits__foot {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

@media (min-width: 720px) {
  .page-solutions .sol-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-solutions .sol-tier__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-solutions .sol-scene {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: var(--space-4);
  }

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

@media (min-width: 960px) {
  .page-solutions .sol-hero__grid {
    grid-template-columns: minmax(0, 5.4fr) minmax(0, 6.6fr);
    gap: var(--space-8);
  }

  .page-solutions .sol-dial {
    padding-inline: 12%;
  }

  .page-solutions .sol-dial__badges {
    position: absolute;
    inset: 0;
    margin: 0;
    padding: 0;
    display: block;
    pointer-events: none;
  }

  .page-solutions .sol-dial__badges li {
    position: absolute;
    flex-direction: column;
    gap: 0;
  }

  .page-solutions .sol-dial__badges li:nth-child(1) {
    top: 4%;
    left: 0;
  }

  .page-solutions .sol-dial__badges li:nth-child(2) {
    top: 4%;
    right: 0;
    text-align: right;
  }

  .page-solutions .sol-dial__badges li:nth-child(3) {
    bottom: 4%;
    left: 0;
  }

  .page-solutions .sol-dial__badges li:nth-child(4) {
    bottom: 4%;
    right: 0;
    text-align: right;
  }

  .page-solutions .sol-tier--1 {
    padding-right: 0;
  }

  .page-solutions .sol-tier--2 {
    padding-right: 5%;
  }

  .page-solutions .sol-tier--3 {
    padding-right: 10%;
  }

  .page-solutions .sol-tier--4 {
    padding-right: 15%;
  }

  .page-solutions .sol-tier__title {
    font-size: var(--text-2xl);
  }

  .page-solutions .figure-num {
    font-size: var(--text-4xl);
  }

  .page-solutions .sol-pick__inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    gap: var(--space-8);
  }

  .page-solutions .sol-scene {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .page-solutions .sol-scene__title {
    font-size: var(--text-xl);
  }
}

@media (min-width: 1200px) {
  .page-solutions .sol-section-head {
    max-width: 58ch;
  }
}