.invitation_box {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 2025;
  margin-top: -108px;
  margin-left: -100px;
  width: 199px;
  height: 217px;
  background: url(../images/invitation_box_bg.png) no-repeat;
  background-size: 199x 217px;
}
.invitation_box.show {
  display: block;
}
.invitation_box a {
  display: block;
  width: 72px;
  height: auto;
}
.invitation_box a img {
  display: block;
  width: 100%;
  height: auto;
}
.invitation_box .cancel_btn {
  position: absolute;
  bottom: 26px;
  left: 34px;
}
.invitation_box .zixun_btn {
  position: absolute;
  bottom: 26px;
  right: 16px;
}
.fixed_r_kefu {
  position: fixed;
  right: 0;
  top: 300px;
  width: 36px;
  height: 90px;
  z-index: 2025;
  cursor: pointer;
}
.fixed_r_kefu img {
  display: block;
  width: 100%;
  height: auto;
}
@media screen and (max-width: 1100px) {
  .layui-layer-iframe {
    overflow-y: initial !important;
  }
}
.layui-layer-setwin {
  right: 30px !important;
}