/* ========== Services Page Hero ========== */
.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
  height: clamp(360px, 48vw, 560px);
  overflow: hidden;
  background: #0d2133;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
}

.page-hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 48px 24px 64px;
  text-align: center;
}

.page-hero__title {
  margin-bottom: 12px;
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
}

.page-hero__subtitle {
  font-size: clamp(15px, 1.5vw, 20px);
  font-weight: 400;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
}

/* ========== Section Titles ========== */
.service-section__title {
  margin-bottom: 40px;
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  color: var(--color-primary);
}

/* ========== Service Introduction ========== */
.service-intro {
  padding: 64px 0 72px;
  background: var(--color-white);
}

.service-intro__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px 56px;
}

.service-intro__col p {
  margin-bottom: 18px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
}

.service-intro__col p:last-child {
  margin-bottom: 0;
}

.service-intro__tech-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
  margin: 0 0 18px;
  padding-left: 1.1em;
  list-style: disc;
}

.service-intro__tech-list li {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
}

/* ========== Process ========== */
.service-process {
  padding: 56px 0 72px;
  background: var(--color-white);
}

.service-process__subtitle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: -24px 0 36px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-align: center;
}

.service-process__line {
  flex: 1;
  max-width: 120px;
  height: 1px;
  background: var(--color-border);
}

.service-process__figure {
  margin: 0;
  text-align: center;
}

.service-process__figure img {
  display: block;
  width: 60%;
  max-width: 60%;
  height: auto;
  margin: 0 auto;
}

/* ========== After-Sales Cards ========== */
.service-aftersales {
  padding: 64px 0 80px;
  background: var(--color-white);
}

.service-aftersales__title {
  margin-bottom: 24px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-primary);
}

.service-aftersales__intro {
  max-width: 100%;
  margin-bottom: 40px;
}

.service-aftersales__intro p {
  margin-bottom: 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
}

.service-aftersales__intro p:last-child {
  margin-bottom: 0;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.service-card__image-link {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.service-card__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  padding: 24px 20px 28px;
  text-align: center;
}

.service-card__title {
  margin-bottom: 12px;
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
}

.service-card__desc {
  flex: 1;
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.service-card__btn {
  display: inline-block;
  min-width: 140px;
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: 3px;
  transition: background var(--transition), opacity var(--transition);
}

.service-card__btn:hover,
.service-card__btn:focus-visible {
  background: var(--color-primary-hover);
  opacity: 0.92;
}

.service-card__btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ========== CTA ========== */
.service-cta {
  padding: 72px 0;
  background: var(--color-primary);
}

.service-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.service-cta__title {
  max-width: 640px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-white);
}

.service-cta__btn {
  display: inline-block;
  padding: 12px 40px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
  border: 1px solid var(--color-white);
  border-radius: 999px;
  transition: background var(--transition), color var(--transition);
}

.service-cta__btn:hover,
.service-cta__btn:focus-visible {
  color: var(--color-primary);
  background: var(--color-white);
}

.service-cta__btn:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 3px;
}

/* ========== Tablet ========== */
@media (max-width: 960px) {
  .service-intro__grid {
    gap: 32px 40px;
  }

  .service-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-cards .service-card:last-child {
    grid-column: 1 / -1;
    max-width: 480px;
    justify-self: center;
    width: 100%;
  }
}

/* ========== Mobile ========== */
@media (max-width: 768px) {
  .service-intro {
    padding: 48px 0 56px;
  }

  .service-section__title {
    margin-bottom: 28px;
  }

  .service-intro__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service-intro__tech-list {
    grid-template-columns: 1fr;
  }

  .service-process {
    padding: 40px 0 56px;
  }

  .service-process__subtitle {
    flex-direction: column;
    gap: 12px;
    margin-top: -12px;
  }

  .service-process__line {
    display: none;
  }

  .service-aftersales {
    padding: 48px 0 64px;
  }

  .service-cards {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service-cards .service-card:last-child {
    max-width: none;
  }

  .service-cta {
    padding: 56px 0;
  }
}

@media (max-width: 640px) {
  .page-hero__content {
    padding: 40px 20px 52px;
  }
}

/* 业务线落地页占位 */
.service-line-hub {
  padding: 56px 0 80px;
}

.service-line-hub__title {
  margin-bottom: 20px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.25;
}

.service-line-hub__intro {
  max-width: 820px;
  margin-bottom: 32px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.service-line-hub__list {
  display: grid;
  gap: 8px 24px;
  max-width: 960px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-line-hub__list--two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-line-hub__list a {
  display: block;
  padding: 10px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.service-line-hub__list a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .service-line-hub__list--two-col {
    grid-template-columns: 1fr;
  }
}