/* ==========================================================================
   应用案例详情页面
   ========================================================================== */

.case-detail-hero {
  position: relative;
  min-height: 58rem;
  padding-top: var(--header-h);
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: #071827;
}

.case-detail-hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 18, 31, 0.9) 0%, rgba(5, 18, 31, 0.72) 54%, rgba(5, 18, 31, 0.3) 100%);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  transform: scale(1.02);
}

.case-detail-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 118rem;
  padding-block: 7.6rem 5.4rem;
}

.case-detail-back {
  display: inline-flex;
  width: fit-content;
  margin-bottom: var(--space-3);
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-pill);
  color: #042b22;
  background: var(--color-accent);
  border: 1px solid var(--color-accent);
  font-size: var(--fs-sm);
  font-weight: 900;
}

.case-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: var(--space-3);
}

.case-detail-meta span {
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-pill);
  color: #d8e7f2;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: var(--fs-sm);
  font-weight: 800;
}

.case-detail-hero h1 {
  color: #fff;
  font-size: var(--fs-h1);
  margin-bottom: var(--space-3);
}

.case-detail-hero p {
  max-width: 78rem;
  color: #c2d1df;
  font-size: var(--fs-lg);
  line-height: 1.85;
}

.case-detail-body {
  background: var(--color-bg-soft);
  padding-block: 6.4rem 7.2rem;
}

.case-story {
  max-width: 118rem;
  margin-inline: auto;
}

.case-article {
  display: grid;
  gap: 2.4rem;
}

.case-section {
  padding: clamp(2.4rem, 3vw, 4rem);
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--color-line);
  box-shadow: 0 1.2rem 3.2rem rgba(8, 31, 48, 0.05);
}

.case-section h2 {
  color: var(--color-ink);
  font-size: clamp(2.4rem, 2.4vw, var(--fs-h2));
  line-height: 1.25;
  margin-bottom: 1.4rem;
}

.case-section p {
  color: var(--color-text);
  font-size: var(--fs-lg);
  line-height: 1.9;
}

.case-section__head {
  max-width: 82rem;
  margin-bottom: 2.4rem;
}

.case-section--intro,
.case-section--review {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(36rem, 0.95fr);
  gap: clamp(2.4rem, 4vw, 4.8rem);
  align-items: center;
}

.case-section--process {
  display: grid;
  gap: 3.2rem;
}

.case-process__head {
  max-width: 92rem;
}

.case-process__body {
  display: flow-root;
}

.case-section--review {
  background: linear-gradient(135deg, #082033 0%, #0f3143 100%);
  color: #fff;
  overflow: hidden;
}

.case-section--review h2,
.case-section--review p {
  color: #fff;
}

.case-section--review p {
  color: #c4d5e2;
  margin-bottom: 2.4rem;
}

.case-image,
.case-process__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  background: var(--color-bg-soft);
}

.case-process__media {
  float: left;
  width: min(43%, 46rem);
  margin: 0 clamp(2.4rem, 4vw, 4.8rem) 2.2rem 0;
}

.case-image img,
.case-process__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

@media (hover: hover) {
  .case-section:hover .case-image img,
  .case-section:hover .case-process__media img {
    transform: scale(1.035);
  }
}

.case-image--small {
  aspect-ratio: 16 / 11;
  opacity: 0.92;
}

.case-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
  margin-top: 2.4rem;
}

.case-facts div {
  padding: 1.6rem;
  border-radius: var(--radius-md);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-line);
}

.case-facts span,
.case-results span,
.case-related-card span {
  display: block;
  color: var(--color-text-light);
  font-size: var(--fs-xs);
  font-weight: 900;
  margin-bottom: 0.6rem;
}

.case-facts strong {
  display: block;
  color: var(--color-ink);
  line-height: 1.6;
  font-size: var(--fs-md);
}

.case-problem-text {
  max-width: 96rem;
  display: grid;
  gap: 1.4rem;
  padding: 2.2rem 2.4rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-line);
}

.case-problem-text p {
  color: var(--color-text-muted);
  font-size: var(--fs-md);
  line-height: 1.9;
}

.case-detail-article {
  padding-left: 0;
  margin-bottom: 1.8rem;
}

.case-detail-article:last-child {
  margin-bottom: 0;
}

.case-detail-article h3,
.case-results h3,
.case-related-card h3 {
  color: var(--color-ink);
  font-size: var(--fs-md);
  line-height: 1.45;
  margin-bottom: 0.6rem;
}

.case-detail-article p,
.case-results p,
.case-related-card p {
  color: var(--color-text-muted);
  font-size: var(--fs-md);
  line-height: 1.9;
}

.case-results,
.case-related {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.case-results article {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--color-line);
  box-shadow: 0 0.8rem 2.4rem rgba(8, 31, 48, 0.05);
}

.case-results article span {
  color: var(--color-cta);
}

.case-related-card {
  display: block;
  min-height: 100%;
  padding: 1.4rem;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--color-line);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

@media (hover: hover) {
  .case-related-card:hover {
    transform: translateY(-0.4rem);
    border-color: rgba(0, 200, 150, 0.38);
    box-shadow: var(--shadow-sm);
  }
}

.case-related-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 1.4rem;
}

.case-related-card p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.case-request {
  color: var(--color-text-inverse);
  background: var(--grad-dark);
}

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

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

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

@media (max-width: 960px) {
  .case-section--intro,
  .case-section--review,
  .case-request__inner {
    grid-template-columns: 1fr;
  }

  .case-section--intro .case-image,
  .case-section--review .case-image {
    height: 28rem;
    aspect-ratio: auto;
  }

  .case-results,
  .case-related {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .case-detail-hero {
    min-height: 46rem;
  }

  .case-detail-hero__inner {
    padding-block: 5.4rem 3.4rem;
  }

  .case-detail-body {
    padding-block: 3.2rem 4.8rem;
  }

  .case-section {
    padding: 2rem;
  }

  .case-facts,
  .case-results,
  .case-related {
    grid-template-columns: 1fr;
  }

  .case-problem-text {
    padding: 1.8rem;
  }

  .case-process__media {
    float: none;
    width: 100%;
    margin: 0 0 2rem;
  }

}