.page-services {
  --sv-gap: clamp(16px, 2.4vw, 32px);
}

/* ===== 首屏 ===== */
.page-services .sv-hero {
  position: relative;
  padding-block: clamp(36px, 5vw, 64px) clamp(56px, 7vw, 96px);
  background:
    linear-gradient(166deg,
      color-mix(in srgb, var(--color-primary-soft) 94%, var(--color-surface)) 0%,
      color-mix(in srgb, var(--color-primary-soft) 40%, var(--color-surface)) 36%,
      var(--color-surface) 70%);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-services .breadcrumb {
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.page-services .sv-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--sv-gap);
  align-items: center;
}

.page-services .sv-hero-copy {
  min-width: 0;
}

.page-services .sv-hero-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 var(--space-4);
}

.page-services .sv-hero-copy .lede {
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ===== 斜向数据条带 ===== */
.page-services .sv-band {
  position: relative;
  margin-top: clamp(40px, 5vw, 72px);
  padding: clamp(44px, 5.6vw, 76px) clamp(24px, 3.6vw, 52px);
  background:
    linear-gradient(102deg,
      var(--color-primary) 0%,
      color-mix(in srgb, var(--color-primary) 44%, var(--color-accent)) 40%,
      var(--color-accent) 70%,
      var(--color-contrast-accent) 100%);
  color: var(--color-primary-ink);
  clip-path: polygon(0 7%, 100% 0, 100% 93%, 0 100%);
}

.page-services .sv-band-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 34px);
}

.page-services .sv-band-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-left: clamp(12px, 1.6vw, 24px);
  border-left: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 36%, transparent);
}

.page-services .sv-band-item:first-child {
  padding-left: 0;
  border-left: 0;
}

.page-services .sv-band-num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.page-services .sv-band-key {
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.4;
}

.page-services .sv-band-note {
  font-size: var(--text-xs);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-primary-ink) 80%, transparent);
}

/* ===== 页内坐标索引 ===== */
.page-services .sv-index {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) clamp(16px, 2.4vw, 32px);
  margin-top: clamp(32px, 4vw, 56px);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
}

.page-services .sv-index-lead {
  color: var(--color-ink-muted);
  letter-spacing: 0.24em;
}

.page-services .sv-index a {
  color: var(--color-ink-soft);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: var(--border-thin) solid transparent;
  transition: color 260ms ease-out, border-color 260ms ease-out;
}

.page-services .sv-index a:hover,
.page-services .sv-index a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-services .sv-index a[aria-current="true"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ===== 通用区块 ===== */
.page-services .sv-section {
  padding-block: clamp(56px, 7vw, 103px);
}

.page-services .sv-head-grid,
.page-services .sv-compare-grid,
.page-services .sv-zone-layout,
.page-services .sv-limits-grid {
  row-gap: clamp(28px, 3.4vw, 48px);
}

.page-services .sv-intro {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-services .sv-intro .link-quiet {
  color: var(--color-primary);
}

/* ===== 图片框 ===== */
.page-services .sv-fig {
  margin: 0;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
}

.page-services .sv-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-services .sv-fig figcaption {
  padding: var(--space-2) var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
  font-size: var(--text-xs);
  line-height: 1.65;
  color: var(--color-ink-muted);
}

.page-services .sv-fig--hero {
  box-shadow: var(--shadow-2);
}

/* ===== 字段与口径矩阵 ===== */
.page-services .sv-field-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(32px, 4vw, 56px);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-services .sv-field-col {
  padding: var(--space-4) var(--space-4) var(--space-4) 0;
}

.page-services .sv-field-col + .sv-field-col {
  padding-left: var(--space-4);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-services .sv-field-group {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-services .sv-field-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-services .sv-field {
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-services .sv-field:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-services .sv-field-name {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-ink);
  margin: 0 0 var(--space-1);
}

.page-services .sv-field-desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-1);
}

.page-services .sv-field-pos {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-accent);
  margin: 0;
}

/* ===== 筛选与对照 ===== */
.page-services .sv-compare-fig {
  align-self: start;
}

.page-services .sv-order {
  list-style: none;
  counter-reset: sv-order;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: var(--space-4) 0 var(--space-4);
  padding: var(--space-4) 0;
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-services .sv-order li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-deep);
  border: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink);
  line-height: 1.3;
}

.page-services .sv-order li::before {
  counter-increment: sv-order;
  content: counter(sv-order, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

.page-services .sv-order li:nth-child(7) {
  background: var(--color-highlight);
  border-color: color-mix(in srgb, var(--color-accent) 32%, var(--color-line));
}

.page-services .sv-rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-services .sv-rule {
  padding: var(--space-3) 0 var(--space-3) var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thin) solid var(--color-primary);
}

.page-services .sv-rule:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-services .sv-rule-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 var(--space-1);
}

.page-services .sv-rule-desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
  margin: 0;
}

/* ===== 十二项服务矩阵 ===== */
.page-services .sv-svc-head {
  margin-bottom: clamp(32px, 4vw, 56px);
}

.page-services .sv-svc-groups {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 4.6vw, 64px);
}

.page-services .sv-svc-group {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 2.22fr);
  gap: var(--sv-gap);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-services .sv-svc-group-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.page-services .sv-svc-group:nth-child(1) .sv-svc-group-idx {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-services .sv-svc-group:nth-child(2) .sv-svc-group-idx {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-services .sv-svc-group:nth-child(3) .sv-svc-group-idx {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-accent);
}

.page-services .sv-svc-group-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.3;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-services .sv-svc-group-note {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-muted);
  margin: 0;
}

.page-services .sv-svc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sv-gap);
}

.page-services .sv-svc {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
  transition: transform 260ms ease-out, box-shadow 260ms ease-out, border-color 260ms ease-out;
}

.page-services .sv-svc:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--color-primary) 34%, var(--color-line));
  box-shadow: var(--shadow-2);
}

.page-services .sv-svc-title {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-ink);
  margin: 0;
}

.page-services .sv-svc-desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
  margin: 0;
}

.page-services .sv-svc-cond {
  margin: auto 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  line-height: 1.65;
  color: var(--color-ink-muted);
}

.page-services .sv-svc-cond-key {
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-right: 8px;
}

/* ===== 赛区标识 ===== */
.page-services .sv-zone-grid {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-services .sv-zone-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
}

.page-services .sv-zone-card--sh {
  background-image: linear-gradient(96deg, color-mix(in srgb, var(--color-primary) 13%, transparent) 0%, transparent 52%);
}

.page-services .sv-zone-card--gz {
  background-image: linear-gradient(96deg, color-mix(in srgb, var(--color-accent) 13%, transparent) 0%, transparent 52%);
}

.page-services .sv-zone-card--cd {
  background-image: linear-gradient(96deg, color-mix(in srgb, var(--color-contrast-accent) 16%, transparent) 0%, transparent 52%);
}

.page-services .sv-swatch {
  display: block;
  width: 34px;
  height: 34px;
  flex: none;
}

.page-services .sv-swatch rect {
  fill: currentColor;
}

.page-services .sv-swatch text {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-services .sv-swatch--sh {
  color: var(--color-primary);
}

.page-services .sv-swatch--sh text {
  fill: var(--color-primary-ink);
}

.page-services .sv-swatch--gz {
  color: var(--color-accent);
}

.page-services .sv-swatch--gz text {
  fill: var(--color-accent-ink);
}

.page-services .sv-swatch--cd {
  color: var(--color-contrast-accent);
}

.page-services .sv-swatch--cd text {
  fill: var(--color-contrast-surface);
}

.page-services .sv-zone-name {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-ink);
  margin: 0 0 6px;
}

.page-services .sv-zone-desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
  margin: 0;
}

.page-services .sv-zone-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  margin: var(--space-1) 0 0;
}

/* ===== 使用场景 ===== */
.page-services .sv-scene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sv-gap);
  margin-top: clamp(32px, 4vw, 56px);
}

.page-services .sv-scene {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-primary);
}

.page-services .sv-scene:nth-child(2) {
  border-top-color: var(--color-accent);
}

.page-services .sv-scene:nth-child(3) {
  border-top-color: color-mix(in srgb, var(--color-primary) 50%, var(--color-accent));
}

.page-services .sv-scene:nth-child(4) {
  border-top-color: var(--color-contrast-accent);
}

.page-services .sv-scene-idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-ink-muted);
  margin: 0;
}

.page-services .sv-scene-title {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-ink);
  margin: 0;
}

.page-services .sv-scene-desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
  margin: 0;
}

.page-services .sv-scene-call {
  margin: auto 0 0;
  padding-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.65;
  color: var(--color-ink-muted);
}

.page-services .sv-scene-call-key {
  letter-spacing: 0.14em;
  color: var(--color-primary);
  margin-right: 8px;
}

/* ===== 边界说明（深色区段） ===== */
.page-services .sv-limits {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-services .sv-title-light {
  color: var(--color-contrast-ink);
}

.page-services .sv-eyebrow-light {
  color: var(--color-contrast-accent);
}

.page-services .sv-limit-list {
  list-style: none;
  counter-reset: sv-limit;
  margin: var(--space-6) 0 0;
  padding: 0;
}

.page-services .sv-limit {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-services .sv-limit:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-services .sv-limit::before {
  counter-increment: sv-limit;
  content: counter(sv-limit, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-contrast-accent);
  line-height: 1.9;
}

.page-services .sv-fig--dark {
  border-color: var(--color-contrast-line);
  background: var(--color-contrast-surface);
  box-shadow: none;
}

.page-services .sv-fig--dark figcaption {
  background: transparent;
  border-top-color: var(--color-contrast-line);
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

.page-services .sv-limits-note {
  margin-top: var(--space-3);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
}

.page-services .sv-limits-note-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-contrast-accent);
  margin: 0 0 var(--space-1);
}

.page-services .sv-limits-note-desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
  margin: 0;
}

.page-services .link-quiet--light {
  color: var(--color-contrast-accent);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .page-services .sv-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-services .sv-field-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-services .sv-field-col {
    padding: var(--space-3) 0;
  }

  .page-services .sv-field-col + .sv-field-col {
    padding-left: 0;
    border-left: 0;
  }

  .page-services .sv-field-col + .sv-field-col {
    border-top: var(--border-thin) solid var(--color-line);
    padding-top: var(--space-4);
  }

  .page-services .sv-svc-group {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }

  .page-services .sv-svc-group-head {
    max-width: var(--measure);
  }

  .page-services .sv-scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-services .sv-hero-title {
    margin-top: var(--space-2);
  }

  .page-services .sv-hero-copy .lede {
    font-size: var(--text-base);
  }

  .page-services .sv-band {
    clip-path: none;
    border-radius: var(--radius-lg);
    padding: var(--space-6) var(--space-3);
  }

  .page-services .sv-band-list {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }

  .page-services .sv-band-item {
    padding-left: 0;
    border-left: 0;
    padding-top: var(--space-3);
    border-top: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 32%, transparent);
  }

  .page-services .sv-band-item:first-child {
    padding-top: 0;
    border-top: 0;
  }

  .page-services .sv-field-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-services .sv-svc-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-services .sv-scene-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-services .sv-order {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-services .sv-rule {
    padding-left: var(--space-2);
  }
}