.promote {
  background: #fff;
  margin-top: 20px;
  padding: 10px;
  height: calc(100vh - 112px);
}
.promote .el-breadcrumb .el-breadcrumb__item {
  font-size: 12px;
  color: #333;
}
.promote .el-breadcrumb .el-breadcrumb__item a {
  font-weight: 400;
}
.promote .el-breadcrumb .el-breadcrumb__item:last-child .el-breadcrumb__inner {
  color: #2D68EA;
}
.promote .promote-main {
  margin-top: 8.3vh;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.promote .promote-main > div {
  border-radius: 2px;
  border: 1px solid rgba(61, 113, 255, 0.15);
  width: 23.26vw;
  height: 54.43vh;
  background: #FFFFFF;
  margin-right: 3.68vw;
}
.promote .promote-main > div:last-child {
  margin-right: 0;
}
.promote .promote-main > div > img {
  width: 23.26vw;
  height: 33.95vh;
  border-top-right-radius: 2px;
  border-top-left-radius: 2px;
}
.promote .promote-main > div > div {
  padding: 1.47vw 1.47vw 1.47vw;
}
.promote .promote-main > div > div > h4 {
  font-size: 1.47vw;
  font-weight: bold;
  margin-bottom: 1.37vh;
}
.promote .promote-main > div > div > p {
  height: 6.3vh;
}
.promote .promote-main > div > div > .el-button {
  width: 20.32vw;
  height: 4.78vh;
  background: #409EFF;
  border-radius: 4px;
}