/* 公共样式 */
     *{
        margin: 0px;
        padding: 0px;
        box-sizing: border-box;   
       }
       /* 头部样式 */
       header{
           text-align: center;
           background-color: rgb(0, 162, 255);
           height: 50px;
           font-size: 20px;
           color: white;
           line-height: 50px;
           position: fixed;
           width: 100%;
           top: 0px;
       }
       /* 主体样式 */
       section{
           margin-top: 50px;
           /* margin-left: 2%; */
       }
       /* 尾部样式 */
       footer{
           display: flex;
           justify-content: space-between;
           background-color: #e6e6e6;
           height: 150px;
           position: fixed;
           bottom: 0px;
           width: 100%;
       }
       .left-box{
           width: 50%;
           border-right: 1px solid rgb(255, 255, 255);
           height: 140px;
           margin-top: 5px;
           padding-left: 510px;
           padding-top: 100px;
           font-size: 18px;
           
       }
       .left-box img{
           position: absolute;
           margin-left: -36px;
           margin-top: -4px;
       }
       a{
           /* text-decoration: none; */
           color: black;
       }
       .right-box{
           width: 50%;
           padding-right: 620px;
           margin-top: 30px;
       }