/* 案例页：暗底居中首屏 + 三列案例卡 + 双按钮 CTA */

.iot-hero.cases-hero {
  height: 660px;
}

.cases-hero .iot-hero__bg.has-image::after {
  opacity: 0.4;
}

.cases-hero .iot-hero__content {
  align-items: center;
  justify-content: center;
  width: var(--content-width);
  max-width: var(--content-width);
  height: 100%;
  margin: 0 auto;
  padding-top: 0;
  gap: 0;
  text-align: center;
}

.cases-hero .iot-hero__texts {
  align-items: center;
  gap: 20px;
}

.cases-hero .iot-hero__title {
  width: auto;
  max-width: 100%;
}

.cases-hero__br {
  display: none;
}

.cases-hero .iot-hero__sub {
  max-width: 100%;
}

.cases-list {
  background: var(--color-module);
  padding: var(--section-y) 0;
}

.cases-list__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--card-gap);
}

.cases-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border-radius: 20px;
  background: var(--color-white);
}

.cases-card__cover {
  width: 100%;
  aspect-ratio: 373 / 300;
  border-radius: 20px 20px 0 0;
}

.cases-card__cover img {
  transform-origin: center center;
  transition: transform 0.4s ease;
}

.cases-card:hover .cases-card__cover img {
  transform: scale(1.06);
}

.cases-card__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
  background: var(--color-white);
  border-radius: 0 0 20px 20px;
}

.cases-card__copy {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cases-card__name {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.cases-card__name h3 {
  min-width: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 32px;
}

.cases-card .tag {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  max-width: 100%;
  min-height: 24px;
  height: auto;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--color-tag);
  color: var(--color-primary);
  font-size: 14px;
  line-height: 16px;
  white-space: normal;
}

.cases-card__quote {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text);
}

.cases-card__desc {
  min-height: 40px;
  font-size: 12px;
  line-height: 20px;
  color: var(--color-sub);
}

.cases-card__line {
  border-top: 1px solid var(--color-line);
}

.cases-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.cases-metric {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-size: 14px;
  line-height: 20px;
  color: var(--color-sub);
}

.cases-metric b {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
}

.cases-link {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text);
  transition: color 0.2s ease;
}

.cases-link:hover {
  color: var(--color-primary);
}

.cases-cta .iot-cta__inner {
  width: 100%;
}

.cases-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
}