@media screen and (min-width: 1366px){
    
}
/* 超小屏幕 */
@media screen and (max-width:768px){
    .Main{
        width: 100%;
    }
    .applicationTime{
        flex: 1;
    }
    .applicationTitle{
        flex: 7;
    }
}
/* 小屏幕 */
@media screen and (min-width:769px) and (max-width:991px) {
    .Main{
        width: 100%;
    }
    .applicationTime{
        flex: 1;
    }
    .applicationTitle{
        flex: 7;
    }
}
/* 中等屏幕 */
@media screen and (min-width:992px) and (max-width:1200px) {
    .joinBox{
        width: 280px;
        text-align: center;
        background: #0068b7;
        padding: 10px;
        border-radius: 20px;
        opacity: .8;
        border: 2px solid #c4dbee; 
        box-shadow: 10px 10px 30px #efefef;
    }
    .Main{
        width: 85%;margin: 0 auto;
    }
    .content{
        width: 100%;
        margin-top: 50px;
      }
}
/* 大屏 */
@media screen and (min-width:1201px) and (max-width:1920px){
    .joinBox{
        width: 280px;
        text-align: center;
        background: #0068b7;
        padding: 10px;
        border-radius: 20px;
        opacity: .8;
        border: 2px solid #c4dbee; 
        box-shadow: 10px 10px 30px #efefef;
    }
    .Main{
        width: 85%;margin: 0 auto;
    }
    .content{
        width: 100%;
        margin-top: 50px;
      }
}
/* 超大屏 */
@media screen and (min-width:1921px) {
    .joinBox{
        width: 280px;
        text-align: center;
        background: #0068b7;
        padding: 10px;
        border-radius: 20px;
        opacity: .8;
        border: 2px solid #c4dbee; 
        box-shadow: 10px 10px 30px #efefef;
    }
    .Main{
        width: 85%;margin: 0 auto;
    }
    .content{
        width: 100%;
        margin-top: 50px;
      }
}