.loader-wrapper {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    transition: 0.8s 1s ease;
    z-index: 666;
}

.loader {
  position: relative;
  display: block;
  z-index: 201;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  transition: all 1s 5s ease;
}

.loader-wrapper .loder-section {
    position: fixed;
    top: 0;
    width: 17%;
    height: 100%;
    background: #000;
    z-index: 2;
}

.loader-wrapper .loder-section.left-section {
  left: 0;
  transition: 0.5s 5.4s ease;
}
.loader-wrapper .loder-section.left-section2 {
  left: 17%;
  transition: 0.5s 5.6s ease;
}
.loader-wrapper .loder-section.left-section3 {
  left: 34%;
  transition: 0.5s 5.8s ease;
}

.loader-wrapper .loder-section.right-section {
  right: 0;
  transition: 0.5s 6.4s ease;
}
.loader-wrapper .loder-section.right-section2 {
  right: 17%;
  transition: 0.5s 6.2s ease;
}
.loader-wrapper .loder-section.right-section3 {
  right: 34%;
  transition: 0.5s 6.0s ease;
}

/*/ When page loaded /*/
.loaded .loder-section{
  top: -100%;
}


.loaded .loader-wrapper {
  visibility: hidden;
}

.loaded .loader {
  top: -100%;
  opacity: 0;
}

/* 新加的 */
.loader-box {
  /* background-image: radial-gradient(#292b30, #111, black); */
  width: 100%;
  height: 100vh;
  position: relative;
}

.loader-in {
  width: 64px;
  height: 64px;
  margin: auto;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -40px;
  margin-left: -32px;
}

.loader-in:before {
  content: '';
  width: 64px;
  height: 5px;
  background: #FFB83390;
  position: absolute;
  top: 79px;
  left: 0;
  border-radius: 50%;
  box-shadow: 0 0 30px 0 #FFB833;
  animation: shadow324 0.75s linear infinite;
}

.loader-in:after {
  content: '';
  width: 100%;
  height: 100%;
  background: url(../images/logo.png) no-repeat;
  background-size: 64px 64px;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 4px;
  animation: jump7456 3s linear infinite;
}

.quan1,
.quan2,
.quan3 {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 16px;
  border-radius: 50%;
  border: 1px dashed #FFB83330;
  margin-left: -50px;
  margin-top: 35px;


}

.quan1,
.quan2 {
  animation: quan 1s linear infinite;
}

.quan2 {
  animation-delay: 0.5s;
  opacity: 0;
}

.quan3 {

  animation: quanT 1s linear backwards;
  transform: scale(2, 2.5);
  opacity: 0;
}

.pao {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  border: 1px solid #FFB83320;
  background-color: #FFB83325;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: 32px;
  animation: pao 0.5s linear infinite;
}
.pao2{
  margin-top: 24px;
  margin-left: -16px;
  animation-delay: 0.2s;
  opacity: 0;
}
.pao3{
  margin-top: 30px;
  margin-left: 16px;
  animation-delay: 0.1s;
  opacity: 0;
}
.pao4{
  margin-top: 20px;
  margin-left: -32px;
}
.pao5{
  margin-top: 10px;
  margin-left: 40px;
  animation-delay: 0.4s;
  opacity: 0;
}

@keyframes jump7456 {
  0% {
      transform: translateY(0) rotate(0deg);
      border-bottom-right-radius: 3px;
  }

  3.75% {
      border-bottom-right-radius: 3px;
  }

  6.25% {
      transform: translateY(9px) rotate(22.5deg);
  }

  12.5% {
      transform: translateY(18px) scale(1, .9) rotate(45deg);
      border-bottom-right-radius: 40px;
  }

  18.75% {
      transform: translateY(9px) rotate(67.5deg);
  }

  25% {
      transform: translateY(0) rotate(90deg);
      border-bottom-right-radius: 3px;
  }


  28.75% {
      border-top-right-radius: 3px;
  }

  31.25% {
      transform: translateY(9px) rotate(112.5deg);
  }

  37.5% {
      transform: translateY(18px) scale(1, .9) rotate(135deg);
      border-top-right-radius: 40px;
  }

  43.75% {
      transform: translateY(9px) rotate(157.5deg);
  }

  50% {
      transform: translateY(0) rotate(180deg);
      border-top-right-radius: 3px;
  }


  53.75% {
      border-top-left-radius: 3px;
  }

  56.25% {
      transform: translateY(9px) rotate(202.5deg);
  }

  62.5% {
      transform: translateY(18px) scale(1, .9) rotate(225deg);
      border-top-left-radius: 40px;
  }

  68.75% {
      transform: translateY(9px) rotate(247.5deg);
  }

  75% {
      transform: translateY(0) rotate(270deg);
      border-top-left-radius: 3px;
  }


  78.75% {
      border-bottom-left-radius: 3px;
  }

  81.25% {
      transform: translateY(9px) rotate(292.5deg);
  }

  87.5% {
      transform: translateY(18px) scale(1, .9) rotate(315deg);
      border-bottom-left-radius: 40px;
  }

  93.75% {
      transform: translateY(9px) rotate(337.5deg);
  }

  100% {
      transform: translateY(0) rotate(360deg);
      border-bottom-left-radius: 3px;
  }
}

@keyframes shadow324 {

  0%,
  100% {
      transform: scale(1, 1);
  }

  50% {
      transform: scale(1.2, 1);
  }
}

@keyframes quan {

  0% {
      transform: scale(1, 1);
      opacity: 1;
  }

  100% {
      transform: scale(3.0, 4.0);
      opacity: 0;
  }
}

@keyframes quanT {

  0% {
      transform: scale(2, 2.5);
      opacity: 0.5;
  }

  50% {
      transform: scale(3, 4);
      opacity: 0;
  }

  100% {
      transform: scale(3, 4);
      opacity: 0;
  }
}

@keyframes pao {

  0% {
      transform: translateY(0);
      opacity: 1;
  }
  70% {
      transform: translateY(-60px);
      opacity: 1;
  }
  100% {
      transform: translateY(-80px);
      opacity: 0;
  }
}
#canvas {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: #000;
}