@charset "utf-8";
    .big{
        width: 120px;
        height: 42px;
        background: #2E6DA4;
        border-radius: 4px;
        text-align: center;
        margin-top: 56px;
       }
       .big2{
        width: 120px;
        height: 42px;
        background: #2E6DA4;
        border-radius: 4px;
        text-align: center;
        margin-top: 56px;
       }
       .bg-banner{
        margin:0px auto;
         text-align:center;
        width: 1200px;
        height: 326px;
        background: url("images/paper3.png") no-repeat center center;
        background-size: cover;
        box-shadow: 0px 0px  14px #cacaca;
        border: 1px solid：#333;
       }
       .body-paper{
        margin-top: 30px;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .paper1{
      width: 1200px;
        height: 100%;
        display: flex;
        flex-wrap: wrap;
        
    }
    .paper2{
      width: 282px;
        height: 242px;
        margin-right: 24px;
        margin-top: 24px;
       
    }
    .paper3{
      width: 282px;
        height: 70px;
        background: #ffffff;
        border-radius: 4px;
        border: 2px solid #f2f3f2;
        border-top: none;
        box-sizing: border-box;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: -2px;
    }
    .help{
      text-align: center;
        font-size: 16px;
        margin-top: 16px;
    }
    .book-text{
      font-size: 16px;
        color: #333;
         margin-top: 52px;
        padding-left: 8px;
    }