body {
     background: #f6f7f8;
     margin: 0;
     padding: 0;
 }
 
 .wechatOA {
     position: relative;
     display: flex;
     flex-direction: column;
     justify-content: space-between;
     align-items: center;
     height: var(--vh);
 }
 
 .wechat-card {
     background: #fff;
     max-width: 428px;
     max-height: 569px;
     border-radius: 16px;
     padding: 24px 36px 20px 36px;
     display: flex;
     flex-direction: column;
     margin: auto;
     align-items: center;
 }
 
 .qrcode {
     width: 256px;
     height: 256px;
     display: flex;
 }
 
 .tips {
     font-size: 14px;
     color: #000;
     opacity: 0.5;
     margin-top: 8px;
 }
 
 .wechatOA-card {
     width: 100%;
     display: flex;
     margin-top: 16px;
     background: #F7F7F7;
     padding: 18px;
     border-radius: 16px;
     align-items: center;
 }
 
 .wechatOA-head {
     width: 48px;
     height: 48px;
     background-image: url(https://github.com/lixiaomuicon/photo_bed/blob/main/img/202305192259009.jpg?raw=true);
     border-radius: 68px;
     background-size: contain;
     margin-right: 16px;
 }
 
 .wechatOA-name {
     font-weight: bold;
 }
 
 .wechatOA-description {
     font-size: 12px;
     color: #000;
     opacity: 0.5;
 }
 
 a.help {
     font-size: 14px;
     color: #000;
     opacity: 0.5;
     text-decoration: none;
     margin: 20px 0;
 }
 
 a.help:visited {
     color: #000;
 }