.wrap__bg {
  left: 0;
  top: 0;
  width: 100%;
  z-index: -999;
}
.mod_pic {
  display: block;
  width: 100%;
}

.timeout {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  background: #fff;
}
.timeout_img {
  display: block;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}
.timeout_btn {
  width: 1.7rem;
  height: 0.36rem;
  position: absolute;
  top: 88vh;
  left: 50%;
  margin-left: -0.85rem;
  text-align: center;
  font-size: 0.15rem;
  line-height: 0.36rem;
  border-radius: 0.36rem;
}