.c3-usps {
  max-width: 1400px;
  margin: 0 auto;
  padding-left: 15px;
  padding-right: 15px;
  box-sizing: border-box;
  background-color: var(--color-background);
}

/* 卡片 */
.usp-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.usp-card__icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.usp-card__icon img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.usp-card__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.usp-card__description {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  opacity: 0.75;
  max-width: 280px;
}

/* 桌面端隐藏箭头(平铺不滑动) */
@media (min-width: 960px) {
  .section-c3-usps .splide__arrows {
    display: none;
  }
}

/* 移动端:反转容器让箭头在底部 */
@media (max-width: 959px) {
  .section-c3-usps .splide {
    display: flex;
    flex-direction: column-reverse;
  }

  .section-c3-usps .splide__arrows {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding-top: 20px;
    pointer-events: auto;
  }

  .section-c3-usps .splide__arrow {
    position: static;
    transform: none;
    width: 40px;
    height: 40px;
    border-radius: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
  }

  .section-c3-usps .splide__arrow svg {
    width: 24px;
    height: 24px;
    fill: rgb(18,18,18);
  }

  .section-c3-usps .splide__arrow:hover svg {
    fill: rgba(0, 0, 0, 0.9);
  }

  .section-c3-usps .splide__arrow:disabled {
    opacity: 0.3;
  }

  /* 强制隐藏圆点 */
  .section-c3-usps .splide__pagination {
    display: none;
  }
}