/* ============ page-solutions ============ */

.page-solutions {
  --sol-panel-pad: var(--space-3);
  --sol-hair: var(--border-thin) solid var(--color-line);
}

/* ---------- 首屏 ---------- */

.page-solutions .sol-hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-6) 0 var(--space-8);
  background-color: var(--color-surface);
  background-image: linear-gradient(to right, var(--color-line) 1px, transparent 1px);
  background-size: 25% 100%;
  border-bottom: var(--sol-hair);
}

.page-solutions .sol-hero__shell {
  position: relative;
  z-index: 1;
}

.page-solutions .sol-hero__title {
  margin: var(--space-3) 0 var(--space-4);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 0.96;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  transform: skewX(-2deg);
  transform-origin: left center;
  padding-right: var(--space-2);
}

.page-solutions .sol-hero__lead {
  max-width: 52ch;
  margin: 0 0 var(--space-6);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-solutions .sol-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--border-thin);
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
  background-color: var(--color-line);
  border: var(--sol-hair);
}

.page-solutions .sol-index__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-2);
  background-color: var(--color-surface);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  color: var(--color-ink);
}

.page-solutions .sol-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.page-solutions .sol-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: 0 0 var(--space-6);
  padding: var(--space-3) 0 0;
  list-style: none;
  border-top: var(--sol-hair);
}

.page-solutions .sol-kpi__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--color-ink);
}

.page-solutions .sol-kpi--accent .sol-kpi__num {
  color: var(--color-accent);
}

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

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

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

.page-solutions .sol-hero__media .anno {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-top: var(--sol-hair);
  background-color: var(--color-surface-alt);
}

/* ---------- 目录 ---------- */

.page-solutions .sol-toc {
  margin-bottom: var(--space-3);
}

.page-solutions .sol-toc .toc__list {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-1);
  margin: 0;
  padding: 0 0 var(--space-1);
  list-style: none;
  overflow-x: auto;
}

.page-solutions .sol-toc__item {
  flex: none;
}

.page-solutions .sol-toc .toc__link {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  white-space: nowrap;
  text-decoration: none;
  color: var(--color-ink-soft);
  background-color: var(--color-surface-alt);
  border: var(--sol-hair);
}

.page-solutions .sol-toc .toc__link:hover,
.page-solutions .sol-toc .toc__link:focus-visible {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-solutions .sol-toc .toc__link[aria-current="true"] {
  color: var(--color-primary-ink);
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-solutions .sol-toc .toc__label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

/* ---------- 通用小标题组 ---------- */

.page-solutions .sol-head {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: var(--sol-hair);
}

.page-solutions .sol-head .title-xl,
.page-solutions .sol-head .title-md {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-solutions .sol-head .lead {
  max-width: var(--measure);
  margin: 0;
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-solutions .sol-head--wide .lead {
  max-width: 62ch;
}

.page-solutions .sol-num {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---------- 四项能力 ---------- */

.page-solutions .sol-abs {
  display: block;
}

.page-solutions .sol-ab {
  margin-bottom: var(--space-8);
  padding-top: var(--space-4);
  border-top: var(--sol-hair);
}

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

.page-solutions .sol-ab__media {
  margin: 0 0 var(--space-3);
  border: var(--sol-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-surface-deep);
}

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

.page-solutions .sol-ab__panel {
  position: relative;
  z-index: 1;
  padding: var(--sol-panel-pad);
  background-color: var(--color-surface);
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-solutions .sol-ab:nth-of-type(even) .sol-ab__panel {
  background-color: var(--color-surface-alt);
}

.page-solutions .sol-ab__num {
  display: inline-block;
  margin: 0 0 var(--space-2);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  background-color: var(--color-surface-deep);
  transition: background-color 120ms linear, color 120ms linear;
}

.page-solutions .sol-ab:hover .sol-ab__num,
.page-solutions .sol-ab:focus-within .sol-ab__num {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

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

.page-solutions .sol-ab__text {
  margin: 0;
  max-width: 52ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-solutions .sol-ab__facts {
  margin: var(--space-3) 0 0;
  border-top: var(--sol-hair);
}

.page-solutions .sol-ab__fact {
  display: grid;
  grid-template-columns: 9ch minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--sol-hair);
}

.page-solutions .sol-ab__fact dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

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

/* ---------- 支撑条件 ---------- */

.page-solutions .sol-pairs {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: sol-pair;
}

.page-solutions .sol-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-top: var(--sol-hair);
}

.page-solutions .sol-pair:last-child {
  border-bottom: var(--sol-hair);
}

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

.page-solutions .sol-pair__give::before {
  counter-increment: sol-pair;
  content: counter(sol-pair, decimal-leading-zero);
  display: inline-block;
  margin-right: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

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

/* ---------- 覆盖边界 ---------- */

.page-solutions .sol-scale {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 var(--space-1);
}

.page-solutions .sol-scale__rail,
.page-solutions .sol-scale__tick {
  stroke: var(--color-line);
  stroke-width: 1.5;
}

.page-solutions .sol-scale__tick--now {
  stroke: var(--color-primary);
  stroke-width: 2;
}

.page-solutions .sol-boundary .anno {
  display: block;
  margin: 0 0 var(--space-6);
}

.page-solutions .sol-gates {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-solutions .sol-gate {
  border: var(--sol-hair);
  border-left-width: 3px;
  background-color: var(--color-surface);
}

.page-solutions .sol-gate--open {
  border-left-color: var(--color-accent);
}

.page-solutions .sol-gate--hold {
  border-left-color: var(--color-ink-muted);
}

.page-solutions .sol-gate__summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  color: var(--color-ink);
}

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

.page-solutions .sol-gate__summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-ink-muted);
}

.page-solutions .sol-gate[open] .sol-gate__summary::after {
  content: "－";
  color: var(--color-primary);
}

.page-solutions .sol-gate__label {
  margin-right: auto;
}

.page-solutions .sol-gate__count {
  color: var(--color-ink-muted);
}

.page-solutions .sol-gate__list {
  margin: 0;
  padding: 0 var(--space-3) var(--space-3);
  list-style: none;
  border-top: var(--sol-hair);
}

.page-solutions .sol-gate__list li {
  padding: var(--space-2) 0;
  border-bottom: var(--sol-hair);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-solutions .sol-gate__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

/* ---------- 交付标准 ---------- */

.page-solutions .sol-deliver {
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-solutions .sol-deliver__head {
  display: none;
}

.page-solutions .sol-deliver__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--sol-hair);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

.page-solutions .sol-deliver__freq {
  font-family: var(--font-mono);
  color: var(--color-accent);
}

/* ---------- 场景分流 ---------- */

.page-solutions .sol-scenes {
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-solutions .sol-scene {
  padding: var(--space-3);
  background-color: var(--color-surface);
  border: var(--sol-hair);
  border-top: var(--border-thick) solid var(--color-line);
}

.page-solutions .sol-scene__no {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.page-solutions .sol-scene__name {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-solutions .sol-scene__link {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-accent);
  transition: transform 120ms linear, border-color 120ms linear;
}

.page-solutions .sol-scene__link:hover,
.page-solutions .sol-scene__link:focus-visible {
  transform: translateX(2px);
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}

/* ---------- 行动出口 ---------- */

.page-solutions .sol-exit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-4) var(--space-3);
  background-color: var(--color-surface);
  border-top: var(--border-thick) solid var(--color-primary);
  border-bottom: var(--sol-hair);
}

.page-solutions .sol-exit__text {
  margin: 0;
  max-width: 58ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

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

/* ---------- 交互与可见性 ---------- */

.page-solutions .sol-scene__link:focus-visible,
.page-solutions .sol-toc .toc__link:focus-visible,
.page-solutions .sol-gate__summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-solutions .sol-ab__num,
  .page-solutions .sol-scene__link {
    transition: none;
  }
  .page-solutions .sol-scene__link:hover,
  .page-solutions .sol-scene__link:focus-visible {
    transform: none;
  }
}

/* ---------- 窄屏 ---------- */

@media (max-width: 479px) {
  .page-solutions .sol-index {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-solutions .sol-ab__fact {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
  }
}

/* ---------- 中等屏 ---------- */

@media (min-width: 720px) {
  .page-solutions .sol-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-solutions .sol-kpis {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
  }
  .page-solutions .sol-pair {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-3);
    align-items: baseline;
  }
  .page-solutions .sol-gates {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-solutions .sol-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-solutions .sol-deliver__head {
    display: grid;
    grid-template-columns: 3fr 4fr 3fr 4fr;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    border-bottom: var(--sol-hair);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    letter-spacing: 0.06em;
    color: var(--color-ink-muted);
  }
  .page-solutions .sol-deliver__row {
    grid-template-columns: 3fr 4fr 3fr 4fr;
    gap: var(--space-3);
    align-items: baseline;
  }
  .page-solutions .sol-exit {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    padding: var(--space-6) var(--space-4);
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-solutions .sol-toc {
    position: sticky;
    top: var(--space-6);
    align-self: start;
    margin-bottom: 0;
  }
  .page-solutions .sol-toc .toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    overflow: visible;
    gap: 0;
  }
  .page-solutions .sol-toc .toc__link {
    display: block;
    padding: var(--space-1) 0;
    background-color: transparent;
    border: 0;
    border-bottom: var(--sol-hair);
  }
  .page-solutions .sol-toc .toc__link[aria-current="true"] {
    background-color: transparent;
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    box-shadow: inset 3px 0 0 var(--color-primary);
    padding-left: var(--space-2);
  }

  .page-solutions .sol-ab {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
    align-items: start;
    padding-top: 0;
    border-top: 0;
  }
  .page-solutions .sol-ab__media,
  .page-solutions .sol-ab__panel {
    grid-row: 1;
  }
  .page-solutions .sol-ab__media {
    margin-bottom: 0;
  }
  .page-solutions .sol-ab__panel {
    padding: var(--space-4);
    box-shadow: var(--shadow-1);
  }

  .page-solutions .sol-ab:nth-of-type(1) .sol-ab__media {
    grid-column: 1 / span 6;
  }
  .page-solutions .sol-ab:nth-of-type(1) .sol-ab__panel {
    grid-column: 5 / span 8;
    margin-top: var(--space-6);
  }

  .page-solutions .sol-ab:nth-of-type(2) .sol-ab__media {
    grid-column: 2 / span 5;
  }
  .page-solutions .sol-ab:nth-of-type(2) .sol-ab__panel {
    grid-column: 6 / span 7;
    margin-top: var(--space-8);
  }

  .page-solutions .sol-ab:nth-of-type(3) .sol-ab__media {
    grid-column: 1 / span 5;
  }
  .page-solutions .sol-ab:nth-of-type(3) .sol-ab__panel {
    grid-column: 4 / span 9;
    margin-top: var(--space-4);
  }

  .page-solutions .sol-ab:nth-of-type(4) .sol-ab__media {
    grid-column: 2 / span 6;
  }
  .page-solutions .sol-ab:nth-of-type(4) .sol-ab__panel {
    grid-column: 6 / span 7;
    margin-top: var(--space-6);
  }
}

@media (min-width: 1100px) {
  .page-solutions .sol-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-solutions .sol-kpi__num {
    letter-spacing: -0.03em;
  }
}
<<<END>>>