*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body{
  /* 溢出隐藏 */
  overflow: hidden;
}

.nav03{
  position: absolute;
  width: 100%;
  /* 100%窗口高度 */
  height: 150vh;
  /* 弹性布局,控制距离*/
  display: flex;
  justify-content: center;
  align-items:center;
  /* 背景 */
  background-image: url(../image/shizhang.webp);
 
  background-size: cover;
    background-repeat: no-repeat;
  background-size: 105%;
  /* border: 10px solid red; */
  animation: bj 1s ease;
}

.mohu{
  position: fixed;
  height: 25vh;
  width: 100%;
  /* border: 10px solid red; */
  background-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 20px rgb(50 59 88 / 80%);
  border-radius: 20px;
  filter: blur(8px);
  animation: begin 0.8s;
}

.center02{
  animation: begin 1.5s ease;
}

.nav03 ul{
  position: relative;
  display: flex;
  z-index: 2;
  /* border: 1px solid red; */
  /* background-color: rgba(118, 197, 253, 0.443); */
  /* border-radius: 15px; */
}

ul li{
  position: relative;
  list-style: none;
  margin: 30px;
  text-align: center;
}


li:nth-child(3){
  margin-top: 5px;
}

li:nth-child(3)>a{
  width: 100px;
  height: 100px;
}

ul li a,.head{
  position: relative;
  width: 80px;
  height: 80px;
  display: inline-block;
  border-radius: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  color: #fff;
  font-size: 32px;
  border: 5px solid rgba(174, 229, 235, 0.546);
  /* 用阴影模拟立体 */
  box-shadow: 0px 6px 0px rgba(0,0,0,0.1);
  /* 背景模糊 */
  backdrop-filter: blur(1px);
  /* 动画过渡 */
  transition: all 0.8s ease 0s;
  overflow: hidden;
  /* border: 1px solid red; */
  background-color: rgba(88, 126, 172, 0.553);
  animation: end 1.5s ease;
}


.head{
  width: 160px;
  height: 160px;
  border-radius: 50%;
  position: absolute;
  top: 15%;
}

.head > img{
  width: 100%;
}

.head:hover{
  transform:scale(1.2);
}

.nav_img{
  width: 45px;
}

ul li a:hover{
  /* 鼠标移入进行位移并旋转360度*/
  transform:translateY(-20px) rotate(15deg);
}

ul li a::before{
  content: "";
  position: absolute;
  top: -10px;
  left: 30px;
  width: 45px;
  height: 150%;
  background-color: rgba(222, 243, 252, 0.557);
  /* 沿X轴45度横切，沿X轴右移150px */
  transform: skewX(45deg) translateX(130px);
  /* 动画过渡 */
  transition: all 1s;
}

ul li a:hover::before{
  /* 沿X轴45度横切，沿X轴左移150px */
  transform:translateX(-150px);
}

ul li a:active{
  transform:rotate(0deg);
}

.door2{
  right: 0px;
}

@keyframes begin{
  0% {
      transform: translateY(100%);
      opacity: 0;
  }
  100% {
      transform: translateY(0%);
      opacity: 1;
  }
}

@keyframes end{
  0% {
      transform: translateY(-100%);
      opacity: 0;
  }
  100% {
      transform: translateY(0%);
      opacity: 1;
  }
}

@keyframes bj{
  0% {
      opacity: 0;
  }
  100% {
      opacity: 1;
  }
}

.name{
  position: fixed;
  margin-top: 20%;
  color:azure;
  line-height: 40px;
  font-size: 20px;
  font-family     : 'Montserrat', sans-serif, Arial, 'Microsoft Yahei';
}