.banner-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.banner-slide {
  position: absolute;
  width: 100%;
  height: 5.4375rem;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.banner-slide.active {
  opacity: 1;
  z-index: 1;
}

/* 轮播箭头 */
.banner-arrow {
  position: absolute;
  top: 35%;
  transform: translateY(-50%);
  width: 0.5rem;
  height: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  text-align: center;
  line-height: 0.5rem;
  font-size: 0.3rem;
  z-index: 99;
  cursor: pointer;
  border-radius: 50%;
  user-select: none;
}

.banner-arrow.prev {
  left: 1rem;
}

.banner-arrow.next {
  right: 1rem;
}

/* 轮播指示器 */
.banner-dots {
  position: absolute;
  bottom: 0.375rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.15rem;
  z-index: 99;
}

.banner-dot {
  width: 0.1875rem;
  height: 0.075rem;
  background: #999999;
  border-radius: 0.0375rem;
  opacity: 0.8;
  cursor: pointer;
}

.banner-dot.active {
  width: 0.375rem;
  height: 0.075rem;
  background: #3787ff;
  border-radius: 3px;
}