.show-url {
     font-size: 3rem;
     font-weight: bold;
     font-family: '微软雅黑';
     letter-spacing: .2rem;
     color: #fff;
     line-height: 2;
 }
 
 .change-url {
     display: inline-block;
     text-align: center;
     width: fit-content;
     color: #ff0;
     
 }