@font-face{
  font-family: "youran";
  src: url("../font/593645143901948slideyouran-Regular.ttf");
}
body{margin: 0;
background-color:#f5f5f5;}
header{
  width: 100%;
  height: 50px;
  background-color:#2056AE;
  position: fixed;
  z-index: 1000;
}
.zyou{display: flex;flex-direction: row;justify-content: space-between;width: 80%;margin: auto;}
.logo{width: 130px;height: 50px;}
.lo{width: 130px;height: 50px;}
.box{
  width: 40%;
  height: 50px;
  margin: auto;
}
ul,li{padding: 0;margin: 0;list-style: none;}
a{text-decoration: none;}
.nav{ 
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
}  
.nav a{
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center; 
  height: 100%; 
  text-align: center;
  color: #F0F0E6;
  font-size: 18px;
    
}
.nav .item{
  width: 20%;
  height: 100%;
  position: relative;
}
.list{
  position: absolute;
  width: 100%;
  overflow: hidden;
  max-height: 0px;
  transition: .4s;
  border-radius: 0 0 8px 8px;
  background-color:  #3E7ADA;
}
.ej{height: 50px;}
.ej a{color:#F0F0E6 ;}
.ej a:hover{color: #D4AF37;}
.nav>.item:hover{
  background-color: #3E7ADA;
}
.nav>.item:hover>.list{
  max-height: 100px;
}
.ej:hover{
  background-color: #3E7ADA;
}
/*大图*/
.datu {
  width: 100%;
  max-height: 780px;
  margin: auto;
  overflow: hidden;
  position: relative;
}

.slides {
  display: flex;
  width: 500%;
  animation: slide 15s infinite;
}

.slides img {
  width: 20%;
  object-fit: cover;
}

@keyframes slide {
  0% {
    transform: translateX(0);
  }

  20% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-20%);
  }

  45% {
    transform: translateX(-20%);
  }

  50% {
    transform: translateX(-40%);
  }

  70% {
    transform: translateX(-40%);
  }

  75% {
    transform: translateX(-60%);
  }

  95% {
    transform: translateX(-60%);
  }

  100% {
    transform: translateX(-80%);
  }
}

.carousel-indicators {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translate(-50%);
  display: flex;
}

.carousel-indicators div {
  width: 10px;
  height: 10px;
  background-color: #fff;
  border-radius: 50%;
  margin: 0 5px;
  transition: background-color 0.5s;
}

.carousel-indicators div:nth-child(1) {
  animation: indicator 15s infinite;
}

.carousel-indicators div:nth-child(2) {
  animation: indicator 15s infinite 3s;
}

.carousel-indicators div:nth-child(3) {
  animation: indicator 15s infinite 7s;
}

.carousel-indicators div:nth-child(4) {
  animation: indicator 15s infinite 11s;
}

@keyframes indicator {
  0%,
  20% {
    background-color: #2056ae;
  }

  25%,
  100% {
    background-color: #fff;
  }
}
 
/* 介绍 */
.js{text-align: center;font-size: 30px;color:#2056AE;font-weight: bold;padding-top: 20px;}
.tu{width: 200px;height: 200px;object-fit: cover; overflow: hidden;}
.tz{
    width: 80%;
    margin: auto;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 20px;
    /* padding-top: 20px; */
    background-color:#528FE3;
    border-radius: 6px;
}
.zi{font-size: 26px;color:#fff;font-family: "youran";}
/* 介绍完毕 */
/* 展示 */
.shell{
    width: 80%;
    height: 500px;
    display: flex;
    
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding-top: 20px;
    margin: auto;
    /* background-color: #F0F0E6; */
}
.upbo{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
}
.xiaozi{font-size: 14px;margin: 0;color:#000000;}
/* .box1{
    flex: 1;
    overflow: hidden;
    width: 550px;
    height: 420px;
    
} */
.zst{width: 295px;height: 400px;object-fit: cover;overflow: hidden;}
/* 版尾 */
.footer{
    width: 100%;
    height: 100px;
    background-color:#2056AE;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin-top: 40px;
}
.white{color: white; margin: 0;}