.page-services {
  --svc-banner-bg: var(--color-contrast-surface);
  --svc-banner-ink: var(--color-contrast-ink);
  --svc-banner-line: var(--color-contrast-line);
  --svc-banner-accent: var(--color-contrast-accent);
  --svc-edge: var(--color-line);
  --svc-card-pad: var(--space-4);
}

/* ============ 首屏主色块 ============ */
.page-services .svc-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  padding-block: var(--space-6) var(--space-8);
}

.page-services .svc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg,
    color-mix(in srgb, var(--color-primary-ink) 5%, transparent) 0 1px,
    transparent 1px 76px
  );
}

.page-services .svc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: end;
}

.page-services .svc-hero .breadcrumbs,
.page-services .svc-hero .breadcrumbs__list,
.page-services .svc-hero .breadcrumbs__list a,
.page-services .svc-hero .breadcrumbs__list li {
  color: color-mix(in srgb, var(--color-primary-ink) 82%, transparent);
  font-size: var(--text-sm);
}

.page-services .svc-hero__eyebrow {
  margin: var(--space-4) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: color-mix(in srgb, var(--color-primary-ink) 78%, transparent);
}

.page-services .svc-hero__title {
  margin: var(--space-3) 0 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-primary-ink);
}

.page-services .svc-hero__lead {
  margin: var(--space-4) 0 0;
  max-width: 44ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-primary-ink) 90%, var(--color-primary));
}

.page-services .svc-hero__index {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: var(--space-4) 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 36%, transparent);
}

.page-services .svc-hero__index li {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-size: var(--text-base);
  letter-spacing: 0.03em;
  color: var(--color-primary-ink);
}

.page-services .svc-hero__index span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-primary-ink) 68%, transparent);
}

.page-services .svc-hero__plate img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: var(--border-thick) solid color-mix(in srgb, var(--color-primary-ink) 62%, transparent);
  border-radius: var(--radius-sm);
}

.page-services .svc-hero__stats {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 36%, transparent);
}

.page-services .svc-hero__stats > div {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  min-width: 0;
}

.page-services .svc-hero__stats dt {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-primary-ink) 82%, transparent);
}

.page-services .svc-hero__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-body);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary-ink);
}

/* ============ 分组锚点导航 ============ */
.page-services .svc-jump {
  background: var(--color-surface-alt);
  border-bottom: var(--border-thin) solid var(--svc-edge);
}

.page-services .svc-jump__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-4);
  padding-block: var(--space-3);
}

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

.page-services .svc-jump .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
}

.page-services .svc-jump .toc__list a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-services .svc-jump .toc__list a:hover,
.page-services .svc-jump .toc__list a.is-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-services .svc-jump .toc__list a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

/* ============ 分组 ============ */
.page-services .svc-group {
  padding-block: var(--section-y);
}

.page-services .svc-group__banner {
  background: var(--svc-banner-bg);
  color: var(--svc-banner-ink);
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-services .svc-group__banner-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding-block: var(--space-6);
}

.page-services .svc-group__num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--svc-banner-accent);
}

.page-services .svc-group__title {
  margin: 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(--svc-banner-ink);
}

.page-services .svc-group__lead {
  margin: 0;
  max-width: 52ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--svc-banner-ink) 74%, transparent);
}

.page-services .svc-group__body {
  padding-block: var(--space-6) 0;
}

.page-services .svc-group__media {
  margin: 0 0 var(--space-6);
}

.page-services .svc-group__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-services .svc-group__media--square {
  max-width: 440px;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.page-services .svc-group__media--square img {
  aspect-ratio: 1 / 1;
}

/* ============ 项目卡 ============ */
.page-services .svc-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-services .svc-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--svc-card-pad);
  background: var(--color-surface);
  border: var(--border-thick) solid var(--svc-edge);
  border-radius: var(--radius-sm);
  transition: border-color 180ms ease;
}

.page-services .svc-card:hover,
.page-services .svc-card:focus-within {
  border-color: var(--color-primary);
}

.page-services .svc-card__tag {
  align-self: flex-start;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-accent);
  background: var(--color-highlight);
  border: var(--border-thin) dashed var(--color-accent);
  border-radius: var(--radius-sm);
}

.page-services .svc-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-services .svc-card__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-services .svc-card__tabs {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--svc-edge);
}

.page-services .svc-card__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.page-services .svc-card__tab {
  appearance: none;
  padding: 4px 10px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  background: transparent;
  border: var(--border-thin) solid var(--svc-edge);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-services .svc-card__tab[aria-selected="true"] {
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.page-services .svc-card__tab:hover {
  border-color: var(--color-primary);
}

.page-services .svc-card__tab:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-services .svc-card__panel {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.66;
  color: var(--color-ink-soft);
}

.page-services .svc-card__panel[hidden] {
  display: none;
}

.page-services .svc-card__go {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding-bottom: 2px;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
  transition: color 160ms ease;
}

.page-services .svc-card__go::after {
  content: "→";
}

.page-services .svc-card__go:hover {
  color: var(--color-focus);
}

.page-services .svc-card__go:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

/* ============ 收尾：怎么开始 ============ */
.page-services .svc-start {
  background: var(--svc-banner-bg);
  color: var(--svc-banner-ink);
  padding-block: var(--section-y-lg);
  border-top: var(--border-thick) solid var(--color-accent);
}

.page-services .svc-start__head {
  max-width: 56ch;
  margin-bottom: var(--space-8);
}

.page-services .svc-start__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  color: var(--svc-banner-accent);
}

.page-services .svc-start__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(--svc-banner-ink);
}

.page-services .svc-start__lead {
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--svc-banner-ink) 76%, transparent);
}

.page-services .svc-start__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-services .svc-path {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  background: color-mix(in srgb, var(--svc-banner-ink) 5%, transparent);
  border: var(--border-thin) solid var(--svc-banner-line);
  border-top: var(--border-thick) solid var(--svc-banner-accent);
  border-radius: var(--radius-sm);
}

.page-services .svc-path__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--svc-banner-accent);
}

.page-services .svc-path__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--svc-banner-ink);
}

.page-services .svc-path__text {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--svc-banner-ink) 78%, transparent);
}

.page-services .svc-path .btn {
  margin-top: auto;
  align-self: flex-start;
}

.page-services .svc-start__foot {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--svc-banner-line);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--svc-banner-ink) 76%, transparent);
}

.page-services .svc-start__foot a {
  color: var(--svc-banner-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-services .svc-start__foot a:hover {
  color: var(--color-contrast-ink);
}

.page-services .svc-start__foot a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

/* ============ 响应式 ============ */
@media (min-width: 701px) {
  .page-services .svc-cards--2,
  .page-services .svc-cards--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-services .svc-hero__index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-4);
  }
}

@media (min-width: 861px) {
  .page-services .svc-hero {
    padding-block: var(--space-8) var(--section-y);
  }

  .page-services .svc-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: var(--space-6) var(--space-6);
  }

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

  .page-services .svc-group__banner-inner {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    column-gap: var(--space-4);
    padding-block: var(--space-8);
  }

  .page-services .svc-group__lead {
    grid-column: 2;
  }

  .page-services .svc-start__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 981px) {
  .page-services .svc-cards--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-services .svc-cards--2 > .svc-card,
  .page-services .svc-cards--3 > .svc-card {
    padding: var(--space-4) var(--space-4) var(--space-4);
  }
}

@media (max-width: 480px) {
  .page-services {
    --svc-card-pad: var(--space-3);
  }

  .page-services .svc-hero__stats {
    gap: var(--space-1);
  }

  .page-services .svc-group__body {
    padding-block: var(--space-4) 0;
  }
}