/* ==========================================================================
   技术服务页面
   ========================================================================== */

.services-hero {
  background: #071827;
}

.services-hero__bg {
  background:
    linear-gradient(90deg, rgba(5, 18, 31, 0.88) 0%, rgba(5, 18, 31, 0.66) 45%, rgba(5, 18, 31, 0.18) 100%),
    linear-gradient(0deg, rgba(5, 18, 31, 0.6) 0%, rgba(5, 18, 31, 0.12) 46%, rgba(5, 18, 31, 0.36) 100%),
    var(--xf-services-hero-bg, none) center / cover no-repeat;
}

.services-hero__inner {
  width: 100%;
  padding-block: 10rem;
}

.services-hero h1 {
  max-width: 76rem;
  font-size: var(--fs-h1);
  margin-bottom: var(--space-3);
}

.services-hero p {
  max-width: 68rem;
  margin-bottom: var(--space-4);
}

.service-capabilities {
  background: #fff;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.8rem;
}

.capability-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-sm);
}

.capability-card img {
  width: 100%;
  height: 20rem;
  object-fit: cover;
}

.capability-card div {
  padding: 2.4rem;
}

.capability-card span {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--color-accent);
  font-size: var(--fs-sm);
  font-weight: 900;
}

.capability-card h3 {
  color: var(--color-ink);
  font-size: var(--fs-h4);
  margin-bottom: 1rem;
}

.capability-card p {
  color: var(--color-text-muted);
  line-height: 1.75;
}

.service-scenarios {
  background: linear-gradient(180deg, #f5f8fb 0%, #eef4f7 100%);
}

.service-scenarios__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(48rem, 1.1fr);
  gap: 5rem;
  align-items: start;
}

.scenario-copy {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}

.scenario-copy p {
  max-width: 56rem;
  color: var(--color-text-muted);
  font-size: var(--fs-lg);
  line-height: 1.85;
}

.scenario-list {
  display: grid;
  gap: 1.2rem;
}

.scenario-item {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  padding: 1.8rem 2rem;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-sm);
}

.scenario-item svg {
  flex: 0 0 auto;
  width: 2.1rem;
  height: 2.1rem;
  margin-top: 0.1rem;
  color: var(--color-accent);
}

.scenario-item span {
  color: var(--color-text);
  font-weight: 600;
  line-height: 1.65;
}

.service-flow {
  background: #fff;
}

.flow-rail {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.6rem;
  counter-reset: flow;
}

.flow-node {
  position: relative;
  min-height: 22rem;
  padding: 2.4rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #f8fbfd 0%, #fff 100%);
  border: 1px solid var(--color-line);
}

.flow-node strong {
  display: block;
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-size: var(--fs-h3);
  line-height: 1;
}

.flow-node h3 {
  color: var(--color-ink);
  margin-bottom: 0.8rem;
}

.flow-node p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.75;
}

.service-deliverables {
  background: linear-gradient(180deg, #f6f9fc 0%, #fff 100%);
}

.service-deliverables__inner {
  display: grid;
  grid-template-columns: minmax(42rem, 1.05fr) minmax(0, 0.95fr);
  gap: 5rem;
  align-items: center;
}

.deliverable-visual {
  overflow: hidden;
  height: 44rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-md);
}

.deliverable-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.deliverable-copy p {
  color: var(--color-text-muted);
  font-size: var(--fs-lg);
  line-height: 1.85;
  margin-bottom: var(--space-3);
}

.deliverable-copy ul {
  display: grid;
  gap: 1.2rem;
}

.deliverable-copy li {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--color-text);
  font-weight: 700;
}

.deliverable-copy li svg {
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  color: var(--color-accent);
}

.sample-service {
  background: var(--grad-dark);
}

.sample-service__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(42rem, 1.18fr);
  gap: 4rem;
  align-items: start;
}

.sample-copy h2 {
  color: var(--color-text-inverse);
  font-size: var(--fs-h2);
  margin-bottom: var(--space-2);
}

.sample-copy p {
  color: var(--color-dark-copy-subtle);
  font-size: var(--fs-lg);
  line-height: 1.8;
}

@media (max-width: 1120px) {
  .service-scenarios__inner,
  .service-deliverables__inner,
  .sample-service__inner {
    grid-template-columns: 1fr;
  }

  .deliverable-visual,
  .deliverable-visual img {
    height: 28rem;
  }

  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .scenario-copy {
    position: static;
  }

  .flow-rail {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .services-hero__inner {
    padding-block: 7.2rem 5.6rem;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .flow-rail {
    grid-template-columns: repeat(2, 1fr);
  }

  .capability-card img {
    height: 18rem;
  }

}