.bm-container {
  background-color: #fbf1e6;
}
.bm-wrap {
  background: url(../img/bg-pc.png) no-repeat;
  background-size: 100%;
  width: 100%;
  min-height: 800px;
  height: 100vh;
  overflow: hidden;
  position: relative;
  margin: 0 auto;
}
.bm-container .btns {
  position: absolute;
  top: 425px;
  left: 50%;
  transform: translateX(-50%);
  width: 410px;
}
.bm-container .btns a {
  margin-bottom: 50px;
  width: 100%;
  display: block;
}
.bm-container .btns a img {
  width: 100%;
}
.zj-footer {
  display: none;
}
@media screen and (max-width: 768px) {
  .zj-footer {
    display: block;
  }
  .bm-wrap {
    background: url(../img/bg.png) no-repeat;
    background-size: 100% 100%;
    min-height: 568px;
    height: 90vh; 
  }
  .bm-container .btns {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
  }
  .bm-container .btns a {
    margin-bottom: .8rem;
  }
  .bm-container .btns a img {
    width: 100%;
  }
}