* {
    margin: 0;
    padding: 0;
    background-color: rgb(41, 177, 255);
    font-family: Arial, Helvetica, sans-serif;
}

img {
    -webkit-user-drag: none;
}

/*加载动画*/
.spinner {
    margin-top: 50px;
    width: 38px;
    height: 38px;
    position: relative;
    margin-bottom: 15px;
  }
   
  .container1 > div, .container2 > div, .container3 > div {
    width: 9px;
    height: 9px;
    background-color: #333;
   
    border-radius: 100%;
    position: absolute;
    -webkit-animation: bouncedelay 1.2s infinite ease-in-out;
    animation: bouncedelay 1.2s infinite ease-in-out;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
  }
   
  .spinner .spinner-container {
    position: absolute;
    width: 100%;
    height: 100%;
  }
   
  .container2 {
    -webkit-transform: rotateZ(45deg);
    transform: rotateZ(45deg);
  }
   
  .container3 {
    -webkit-transform: rotateZ(90deg);
    transform: rotateZ(90deg);
  }
   
  .circle1 { top: 0; left: 0; }
  .circle2 { top: 0; right: 0; }
  .circle3 { right: 0; bottom: 0; }
  .circle4 { left: 0; bottom: 0; }
   
  .container2 .circle1 {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
  }
   
  .container3 .circle1 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
  }
   
  .container1 .circle2 {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
  }
   
  .container2 .circle2 {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
  }
   
  .container3 .circle2 {
    -webkit-animation-delay: -0.7s;
    animation-delay: -0.7s;
  }
   
  .container1 .circle3 {
    -webkit-animation-delay: -0.6s;
    animation-delay: -0.6s;
  }
   
  .container2 .circle3 {
    -webkit-animation-delay: -0.5s;
    animation-delay: -0.5s;
  }
   
  .container3 .circle3 {
    -webkit-animation-delay: -0.4s;
    animation-delay: -0.4s;
  }
   
  .container1 .circle4 {
    -webkit-animation-delay: -0.3s;
    animation-delay: -0.3s;
  }
   
  .container2 .circle4 {
    -webkit-animation-delay: -0.2s;
    animation-delay: -0.2s;
  }
   
  .container3 .circle4 {
    -webkit-animation-delay: -0.1s;
    animation-delay: -0.1s;
  }
   
  @-webkit-keyframes bouncedelay {
    0%, 80%, 100% { -webkit-transform: scale(0.0) }
    40% { -webkit-transform: scale(1.0) }
  }
   
  @keyframes bouncedelay {
    0%, 80%, 100% {
      transform: scale(0.0);
      -webkit-transform: scale(0.0);
    } 40% {
      transform: scale(1.0);
      -webkit-transform: scale(1.0);
    }
}

.main-head {
    display: grid;
    justify-items: center;
    margin-top: 250px;
    margin-bottom: 13px;
}

.index-head {
    z-index: 10;
    border-radius: 80px;
    width: 150px;
    height: 150px;
}

.main {
    z-index: 15;
    display: grid;
    justify-items: center;
}

.text {
  display: grid;
  justify-items: center;
}

.text p {
  font-size: 21px;
  font-weight: 600;
  color: rgb(36, 36, 36);
}