body {
  background-color: skyblue;
  margin: 0;
}

#header {
  display: flex;
  align-items: center;
  background-color: #ffffff;
  padding: 10px 20px;
}

#header .logo {
  margin-right: 40px;
}

#header .nav {
  flex-grow: 1;
}

#header .nav ul {
  display: flex;
  justify-content: space-between;
  padding: 0;
  margin: 0;
  list-style-type: none;
}

#header .nav ul li {
  font-size: 20px;
  padding: 10px 15px;
}

#header .language {
  margin-left: 40px;
}

#header .language ul {
  display: flex;
  list-style-type: none;
  padding: 0;
  margin: 0;
}

#header .language ul li {
  font-size: 18px;
  padding: 10px 15px;
  margin-left: 10px;
}

#header .nav ul li:hover,
#header .language ul li:hover {
  background-color: #ffffff;
}
/* 如果想显示进度条 删除此css样式  */
#swipper {
  width: 100%;
  overflow: hidden;
  position: relative;
  height: 400px; /* 设置一个固定高度 */
}

.swipper-container {
  display: flex;
  width: 400%;
  animation: mover 12s steps(4) infinite;
}

.swipper-slide {
  width: 25%;
}

.swipper-slide-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.prev, .next {
  position: absolute;
  width: 32px;
  height: 32px;
  top: 184px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}

.prev img, .next img {
  width: 20px; /* 调整图片大小 */
  height: 20px;
  object-fit: contain;
}

.prev {
  left: 40px;
}

.next {
  right: 40px;
}

.counter {
  position: absolute;
  width: 80px;
  left: 50%;
  height: 15px;
  margin-left: -40px;
  bottom: 50px;
  display: flex;
  justify-content: space-between;
}

.counter .point {
  width: 15px;
  height: 15px;
  background-color: blueviolet;
  border-radius: 50%;
  cursor: pointer;
}

.counter .point:hover {
  background-color: #fff;
}

@keyframes mover {
  0% {
    margin-left: 0;
  }
  100% {
    margin-left: -400%;
  }
}