.navslink {
    margin-bottom: 20px;
    background: #f7f7f7;
    display: flex;
    justify-content: center;
     /* 主色调蓝色 */
    padding: 5px 0;}
  .navslink a {
    margin: 10px;
    border-radius: 25px;
    font-size: 18px;
    color: #000;
    text-decoration: none;
    padding: 5px 15px;
    transition: background-color 0.3s;}
  .navslink a:hover,
  .navslink a:focus,
  .navslink .active {
    background-color: #2c409a; /* 高亮颜色 */
    color: #fff;}
  
   @media screen and (max-width:1200px){
.navslink a {
    margin: 0px;
    font-size: 14px;}
    }