* {
  margin: 0px;
  padding: 0px;
}
body {
  margin: 0px;
  padding: 0px;
}
img {
  display: block;
}
.block-box {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: .5rem 0;
}
.block1 {
  width: 1850px;
  height: 1272px;
  position: relative;
}
.block1 .bg1 {
  width: 534px;
  height: 534px;
  background-color: rgb(240, 246, 255);
  border: 2px solid rgb(34, 93, 234);
  border-radius: 500px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.block1 .bg2 {
  width: 398px;
  height: 398px;
  background-color: rgb(203, 225, 255);
  border-radius: 500px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.block1 .bg3 {
  animation: bg3Animation 1s infinite alternate linear;
  width: 234px;
  height: 234px;
  background-image: linear-gradient(
      -30deg,
      rgb(33, 89, 233) 0%,
      rgb(45, 132, 244) 100%
    ),
    linear-gradient(rgb(58, 136, 255), rgb(58, 136, 255));
  background-blend-mode: normal, normal;
  box-shadow: rgba(55, 121, 255, 0.25) 0px 9px 34px 4px;
  border-radius: 500px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
  color: rgb(255, 255, 255);
  font-weight: bold;
}
@keyframes bg3Animation {
  to {
    box-shadow: rgba(55, 121, 255, 0) 0px 9px 34px 4px;
  }
  from {
    box-shadow: rgba(55, 121, 255, 1) 0px 9px 34px 4px;
  }
}

.block1 .box-bg {
  position: absolute;
  bottom: 50%;
  right: 50%;
  width: 423px;
  height: 423px;
  transform: rotate(0deg);
  transform-origin: right bottom;
}
.block1 .box-bg2 {
  transform: rotate(90deg);
}
.block1 .box-bg3 {
  transform: rotate(180deg);
}
.block1 .box-bg4 {
  transform: rotate(270deg);
}
.block1 .box {
  transform: rotate(-45deg);
  width: 423px;
  height: 423px;
  box-sizing: border-box;
  padding-top: 60px;
}
.block1 .box .arrow {
  position: absolute;
  bottom: -19px;
  right: 15px;
  transform: rotate(45deg);
}
.block1 .box .arrow img {
  margin-bottom: 15px;
}
.block1 .box .txt1 {
  font-size: 21px;
  color: rgb(11, 11, 11);
  text-align: center;
  opacity: 0.65;
}
.block1 .box .arrow2 {
  transform: rotate(0deg);
  margin-top: -19px;
}
.block1 .box .arrow2 img {
  margin: auto;
  transform: rotate(45deg);
}
.block1 .box .txt2 {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgb(36, 100, 236);
  margin-top: -1px;
  opacity: 0.8;
}
.block1 .box .txt2 .t1 {
  font-size: 24px;
  font-weight: bold;
  margin-right: 10px;
}
.block1 .box .txt2 .t2 {
  font-size: 16px;
}
.block1 .box .txt2 .t2 br {
}
.block1 .box .txt3 {
  font-size: 21px;
  color: rgb(36, 100, 236);
  text-align: center;
  margin-top: 43px;
  letter-spacing: 6px;
  opacity: 0.65;
}
.block1 .desBox {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 234px;
  height: 234px;
  transform: translate(-50%, -50%);
}
.block1 .desBox .txt1 {
  position: absolute;
  top: -463px;
  left: 50%;
  transform: translateX(-50%);
  width: 250px;
  line-height: 1.8em;
  color: #5d5c5c;
  font-size: 16px;
}
.block1 .desBox .txt2 {
  width: 163px;
  height: 163px;
  background-image: linear-gradient(
      -30deg,
      rgb(33, 89, 233) 0%,
      rgb(45, 132, 244) 100%
    ),
    linear-gradient(rgb(58, 136, 255), rgb(58, 136, 255));
  background-blend-mode: normal, normal;
  box-shadow: rgba(55, 121, 255, 0.25) 0px 9px 34px 4px;
  position: absolute;
  left: 50%;
  top: -274px;
  transform: translate(-50%, -50%);
  border-radius: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgb(255, 255, 255);
  font-size: 23px;
  line-height: 2em;
}
.block1 .desBox2 {
  transform: translate(-50%, -50%) rotate(90deg);
}
.block1 .desBox2 .txt1 {
  transform: translateX(-50%) rotate(-90deg);
  top: -560px;
}
.block1 .desBox2 .txt2 {
  transform: translate(-50%, -50%) rotate(-90deg);
}
.block1 .desBox3 {
  transform: translate(-50%, -50%) rotate(180deg);
}
.block1 .desBox3 .txt1 {
  transform: translateX(-50%) rotate(-180deg);
}
.block1 .desBox3 .txt2 {
  transform: translate(-50%, -50%) rotate(-180deg);
}
.block1 .desBox4 {
  transform: translate(-50%, -50%) rotate(270deg);
}
.block1 .desBox4 .txt1 {
  transform: translateX(-50%) rotate(-270deg);
  top: -560px;
}
.block1 .desBox4 .txt2 {
  transform: translate(-50%, -50%) rotate(-270deg);
}

div {
  transition: all 1s;
}
.block1 .bg3 {
  opacity: 1;
}
.block1 .bg2 {
  opacity: 0;
}
.block1 .bg1 {
  opacity: 0;
}
.block1 .box-bg.box-bg1 .arrow img:nth-of-type(2) {
  opacity: 0;
}
.block1 .box-bg.box-bg2 .arrow img:nth-of-type(2) {
  opacity: 0;
}
.block1 .box-bg.box-bg3 .arrow img:nth-of-type(2) {
  opacity: 0;
}
.block1 .box-bg.box-bg4 .arrow img:nth-of-type(2) {
  opacity: 0;
}
.block1 .box-bg.box-bg1 .arrow img:nth-of-type(1) {
  opacity: 0;
}
.block1 .box-bg.box-bg2 .arrow img:nth-of-type(1) {
  opacity: 0;
}
.block1 .box-bg.box-bg3 .arrow img:nth-of-type(1) {
  opacity: 0;
}
.block1 .box-bg.box-bg4 .arrow img:nth-of-type(1) {
  opacity: 0;
}
.block1 .desBox {
  opacity: 0;
}
.block1 .box .txt3 {
  opacity: 0;
}
.block1 .box .txt2 {
  opacity: 0;
}
.block1 .box .arrow2 {
  opacity: 0;
}
.block1 .box .txt1 {
  opacity: 0;
}
.active.block1 .bg3 {
  opacity: 1;
}
.active.block1 .bg2 {
  opacity: 1;
  transition-delay: 0.5s;
}
.active.block1 .bg1 {
  opacity: 1;
  transition-delay: 1s;
}
.active.block1 .box-bg.box-bg1 .arrow img:nth-of-type(2) {
  opacity: 1;
  transition-delay: 0.5s;
}
.active.block1 .box-bg.box-bg2 .arrow img:nth-of-type(2) {
  opacity: 1;
  transition-delay: 0.5s;
}
.active.block1 .box-bg.box-bg3 .arrow img:nth-of-type(2) {
  opacity: 1;
  transition-delay: 0.5s;
}
.active.block1 .box-bg.box-bg4 .arrow img:nth-of-type(2) {
  opacity: 1;
  transition-delay: 0.5s;
}
.active.block1 .box-bg.box-bg1 .arrow img:nth-of-type(1) {
  opacity: 1;
  transition-delay: 1s;
}
.active.block1 .box-bg.box-bg2 .arrow img:nth-of-type(1) {
  opacity: 1;
  transition-delay: 1s;
}
.active.block1 .box-bg.box-bg3 .arrow img:nth-of-type(1) {
  opacity: 1;
  transition-delay: 1s;
}
.active.block1 .box-bg.box-bg4 .arrow img:nth-of-type(1) {
  opacity: 1;
  transition-delay: 1s;
}
.active.block1 .desBox {
  opacity: 1;
  transition-delay: 1.5s;
}
.active.block1 .box .txt3 {
  opacity: 1;
  transition-delay: 1.5s;
}
.active.block1 .box .txt2 {
  opacity: 1;
  transition-delay: 2s;
}
.active.block1 .box .arrow2 {
  opacity: 1;
  transition-delay: 2s;
}
.active.block1 .box .txt1 {
    padding-bottom: 30px;
  opacity: 1;
  transition-delay: 2.5s;
}

@keyframes imgArrow {
  0% {
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}
@keyframes imgArrow2 {
  0% {
    opacity: 0;
  }
  40% {
    opacity: 0;
  }
  80% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}

.active.block1 .box-bg .arrow img {
  opacity: 0;
}
.active.block1 .box-bg1 .arrow img:nth-of-type(1) {
  animation: imgArrow2 2s infinite alternate linear;
}
.active.block1 .box-bg1 .arrow img:nth-of-type(2) {
  animation: imgArrow 2s infinite alternate linear;
}
.active.block1 .box-bg2 .arrow img:nth-of-type(1) {
  animation: imgArrow2 2s infinite alternate linear;
}
.active.block1 .box-bg2 .arrow img:nth-of-type(2) {
  animation: imgArrow 2s infinite alternate linear;
}
.active.block1 .box-bg3 .arrow img:nth-of-type(1) {
  animation: imgArrow2 2s infinite alternate linear;
}
.active.block1 .box-bg3 .arrow img:nth-of-type(2) {
  animation: imgArrow 2s infinite alternate linear;
}
.active.block1 .box-bg4 .arrow img:nth-of-type(1) {
  animation: imgArrow2 2s infinite alternate linear;
}
.active.block1 .box-bg4 .arrow img:nth-of-type(2) {
  animation: imgArrow 2s infinite alternate linear;
}