/* ==========================================================================
   客户案例 | cases.html / case-detail.html
   ========================================================================== */

/* ---------- 列表白底面板 ---------- */
.cl-panel {
  min-width: 0;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  padding: 22px 24px 28px;
}

/* ---------- 案例网格 ---------- */
.cl-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.cl-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(15, 74, 125, 0.04);
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.cl-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.cl-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg-gray);
}

.cl-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}

.cl-card:hover .cl-card__media img {
  transform: scale(1.04);
}

.cl-card__title {
  margin: 0;
  padding: 14px 12px 16px;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.45;
  text-align: center;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

.cl-card:hover .cl-card__title {
  color: var(--color-primary);
}

/* ---------- 详情主面板 ---------- */
.cd-main {
  min-width: 0;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  padding: 28px 28px 32px;
}

.cd-main__title {
  margin: 0 0 24px;
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.35;
  letter-spacing: 0.02em;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border-light);
}

/* ---------- Hero：摘要左 + 图册右 ---------- */
.cd-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.cd-summary {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cd-summary__box {
  padding: 20px 22px;
  background: var(--color-bg-gray);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.cd-summary__box p {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text-regular);
}

.cd-summary__box p:last-child {
  margin-bottom: 0;
}

.cd-summary__list {
  margin: 14px 0 0;
  padding-left: 1.35em;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cd-summary__list li {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-regular);
  padding-left: 4px;
}

.cd-summary__list li::marker {
  color: var(--color-primary);
  font-weight: 600;
}

.cd-summary__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.cd-btn--primary {
  color: var(--color-text-inverse);
  background: var(--gradient-primary);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
}

.cd-btn--primary:hover {
  color: #fff;
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 6px 16px rgba(15, 74, 125, 0.35);
  transform: translateY(-1px);
  text-decoration: none;
}

.cd-btn--outline {
  color: var(--color-primary);
  background: var(--color-bg-white);
  border: 1px solid var(--color-primary);
}

.cd-btn--outline:hover {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 6px 16px rgba(15, 74, 125, 0.35);
  transform: translateY(-1px);
  text-decoration: none;
}

/* ---------- 图册 ---------- */
.cd-gallery {
  min-width: 0;
}

.cd-gallery__main {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-gray);
  border: 1px solid var(--color-border-light);
}

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

.cd-gallery__thumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}

.cd-gallery__track {
  display: flex;
  flex: 1;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.cd-gallery__nav {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  background: var(--color-bg-white);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition:
    color var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.cd-gallery__nav:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-lighter);
}

.cd-gallery__nav svg {
  width: 16px;
  height: 16px;
}

.cd-thumb {
  flex: 0 0 calc(25% - 6px);
  min-width: 56px;
  aspect-ratio: 16 / 10;
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg-gray);
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

.cd-thumb:hover {
  border-color: var(--color-primary-light);
}

.cd-thumb.is-active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

/* ---------- 上下篇 ---------- */
.cd-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border-light);
}

.cd-pager__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background: var(--color-bg-page);
  text-decoration: none;
  transition:
    border-color var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.cd-pager__item:not(.is-disabled):hover {
  border-color: var(--color-primary);
  background: var(--color-primary-lighter);
  box-shadow: var(--shadow-sm);
}

.cd-pager__next {
  text-align: right;
  align-items: flex-end;
}

.cd-pager__item.is-disabled {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
  color: var(--color-text-muted);
}

.cd-pager__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.cd-pager__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.4;
}

.cd-pager__item.is-disabled .cd-pager__name {
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .cl-panel,
  .cd-main {
    padding: 18px 16px 22px;
  }

  .cl-grid {
    gap: 16px;
  }

  .cd-hero {
    gap: 22px;
  }
}

@media (max-width: 900px) {
  .cl-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cd-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .cl-grid {
    gap: 14px;
  }

  .cl-card__title {
    font-size: 0.875rem;
    padding: 12px 10px 14px;
  }

  .cd-main__title {
    margin-bottom: 18px;
    padding-bottom: 14px;
  }

  .cd-pager {
    grid-template-columns: 1fr;
  }

  .cd-pager__next {
    text-align: left;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .cl-grid {
    grid-template-columns: 1fr;
  }
}