问题已解决

 .card-widget {
  box-shadow: 0 8px 16px -4px #2c2d300c;
  background: #fff;
  border: 1px solid #e3e8f7;
  transition: 0.3s;
  border-radius: 12px;
  transition: 0.3s;
  position: relative;
  overflow: hidden;
  margin-top: 1rem;
  padding: 1rem 1.2rem;
}
#flip-wrapper {
    position: relative;
    width: 235px;
    height: 110px;
    z-index: 1;
}
#flip-content {
    width: 100%;
    height: 100%;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    transition: cubic-bezier(0, 0, 0, 1.29) 0.3s;
}

#flip-wrapper:hover #flip-content {
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
}
.face {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    background: url(/wp-content/themes/zibll/zidingyi/img/wechatface.png) center center no-repeat;
    background-size: 100%;
}
.back.face {
    display: block;
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
    box-sizing: border-box;
    background: url(/wp-content/themes/zibll/zidingyi/img/gzh.png) center center no-repeat;
    background-size: 100%;
}
.card-widget#card-wechat::before {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: url(/wp-content/themes/zibll/zidingyi/img/gzh_cover.png) center center no-repeat;
    content: '';
}
.card-widget#card-wechat {
    background: #57bd6a;
    display: flex;
    justify-content: center;
    align-content: center;
    padding: 0;
    cursor: pointer;
    border: none;
    height: 110px;
}

.card-widget#card-wechat img {
    max-height: 110px;
    object-fit: cover;
}
.friend-link {
    display: flex;
    justify-content: center;
    align-content: center;
}