a { text-decoration: none;}/*去下划线*/
a:visited { color: grey } /* 已访问的链接 */
#hover{
    width: 210px;
    height: 100px;
    background-color: #3ea1f5;
    color: white;
    font-family: "Microsoft YaHei", Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 16px;
    position: absolute;
    left:623px;
    z-index: 19;
}
#hover li{
     height: 20px;
     width: 140px;
     margin-left: 20px;
     margin-top: 10px;
}
#hover li:hover{
    font-size: 17px;
}
#left ul li a{
   color: #1b1c23;
}
.footer {
    background-color: #1b1c23;
    padding: 35px 0 0;
    color: #fff;
  }
  
  .footer .container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0;
  }
  
  .footer .row {
    display: flex;
    justify-content: space-between;
  }
  
  .footer h3 {
    font-size: 28px;
    line-height: 32px;
    font-weight: bold;
    color: #fff;
  }
  
  .foot p {
    color: #888888;
    font-size: 12px;
    line-height: 30px;
    margin-bottom: 10px;
  }
  
  .contact {
    color: #7a7c80;
  }
  
  .contact div.row1 {
    line-height: 22px;
    margin-bottom: 10px;
    font-size: 14px;
  }
  .contact_number {
    display: flex;
    align-items: center;
    color: #3ea2f7;
  }
  .contact_number img {
    width: 15px;
    height: 15px;
    margin-right: 14px;
  }
  .mail img {
    width: 20px;
    height: 14px;
    margin-right: 6px;
  }
  .location {
    display: flex;
    margin-bottom: 10px;
  }
  .location img{
    width: 17px;
    height: 24px;
    margin-right: 13px;
  }
  .location .row2 div {
    margin-bottom: 10px;
  }
  
  /* 右侧导航区域 */
  .footer .col-md-8 {
    display: flex;
    justify-content: flex-end;
    padding-right: 20px;
    padding-top: 20px;
  }
  
  .footer .col-md-8 .row {
    display: flex;
    gap: 80px;
  }
  
  .footer-list {
    width: auto;
  }
  
  .footer-list .title {
    font-size: 20px;
    line-height: 36px;
  }
  
  .footer-list .title a {
    color: #7e888f;
    text-decoration: none;
    font-size: 14px;
    font-weight: normal;
    margin-left: -8px;
  }
  
  .footer-list ul {
    padding: 0;
    margin: 0;
  }
  
  .footer-list ul li {
    width: 100px;
    text-align: left;
    position: relative;
    font-size: 12px;
    line-height: 24px;
    box-sizing: border-box;
  }
  .footer-list ul li::before {
    content: "";
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 1px;
    border-radius: 50%;
    background: #596671;
  }
  .footer-list ul li.doc::before {
    top: 14px;
  }
  
  .footer-list ul li a {
    color: #7a7c80;
    text-decoration: none;
  }
  
  .footer-list ul li a:hover {
    color: #fff;
  }
  
  /* 版权信息 */
  .fdr {
    color: #5e6366;
    font-size: 14px;
    line-height: 20px;
    padding: 15px 0;
    border-top: 1px solid #5e6366;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .fdr p a {
    color: #5e6366;
    text-decoration: none;
  }
  
  .fdr img {
    vertical-align: middle;
    width: 20px;
    height: 20px;
  }
  
  @media (max-width: 768px) {
    .footer .row {
      flex-direction: column;
    }
    
    .footer .col-md-4 {
      margin-bottom: 30px;
    }
    
    .footer .col-md-8 .row {
      flex-direction: column;
      gap: 20px;
    }
    
    .footer-list {
      text-align: center;
    }
  }