.banner {
  width: 100%;
  height: 730px;
  position: relative;
  display: flex;
  overflow: hidden;
}
.banner .banner-container {
  width: 100%;
  height: 730px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}
.banner .banner-container .banner-item {
  width: 100vw;
  height: 730px;
  overflow: hidden;
}
.banner .banner-container .banner-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.banner .indicator {
  position: absolute;
  bottom: 4%;
  left: calc(20% + 19px);
  transform: translateX(-50%);
  display: flex;
}
.banner .indicator div {
  position: relative;
  width: 6px;
  height: 6px;
  margin: 0 20px;
  border-radius: 50%;
  background-color: #fff;
}
.banner .indicator div::after {
  position: absolute;
  z-index: -1;
  left: 50%;
  top: 50%;
  content: "";
  width: 38px;
  height: 38px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(255, 255, 255, 0.6);
  clip-path: circle(0 at 50% 50%);
  transition: all 0.3s ease-in-out;
}
.banner .indicator div.active::after {
  clip-path: circle(50% at 50% 50%);
}
.banner .btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}
.banner .btn .arrow {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
  background-color: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-family: '宋体';
  font-weight: bold;
  transition: all 0.3s ease-in-out;
  cursor: pointer;
  border-radius: 50%;
}
.banner .btn .arrow:hover {
  background-color: #114197;
}
.banner .btn .arrow:last-child {
  margin: 0;
}
.banner .prev {
  left: 20px;
}
.banner .next {
  right: 2%;
}