.container {
  width: 100%;
  height: 100%;
  font-family: PingFang SC;
}

.header {
  padding: 30px 50px;
  position: fixed;
  top: 0;
  width: 100%;
  left: 0;
}

.header .logo {
  display: flex;
  align-items: center;
}

.logo > img {
  width: 59px;
  height: 59px;
}

.logo .name {
  font-style: normal;
  font-weight: 700;
  font-size: 40.5625px;
  line-height: 49px;
  margin-left: 11px;
  color: #4f48e2;
}

.main {
  overflow: hidden;
}

.index {
  width: 100%;
  height: 1080px;
  background: url("../../imgs/bg.png") center/cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.index .title {
  width: 1258px;
  font-weight: 600;
  font-size: 44px;
  line-height: 66px;
  text-align: center;
}

.index .btn {
  margin-top: 72px;
  background: #4f48e2;
  border-radius: 10px;
  width: 230px;
  height: 66px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn > span {
  font-weight: 600;
  font-size: 22px;
  line-height: 31px;
  /* identical to box height */

  color: #ffffff;
}

.about {
  width: 100%;
  height: 1080px;
  padding-top: 219px;
}

.about .title {
  text-align: center;

  font-weight: 600;
  font-size: 44px;
  line-height: 66px;
}
.about .content {
  padding-left: 221px;
  display: flex;
}

.content .desc {
  width: 981px;
  padding-top: 125px;
  position: relative;
}

.content .desc::before {
  content: "";
  display: block;
  width: 82px;
  height: 4px;
  background-color: #583be8;
  position: absolute;
  top: 101px;
  left: 0;
}

.content .concept {
  width: 467px;
  margin-left: 30px;
}

.content .desc p {
  margin-bottom: 28px;
  font-weight: 400;
  font-size: 20px;
  line-height: 30px;
}

.concept img {
  width: 100%;
}

.copy_right {
  z-index: 10;
  font-size: 16px;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  text-align: center;
  line-height: 20px;
}
.copy_right a {
  color: #666;
}
.copy_right img {
 width: 20px;
 height: 20px; 
}
.copy_right .ba {
  margin: 0 40px  0 0;
}
.copy_right .gaba {
}