/* 按原视图位置加载，保留共享组件的样式层叠顺序。 */
    .proving_popup{
         position: fixed;
         top: 0;
         left: 0;
         width: 100vw;
         height: 100vh;
         display: none;
         z-index: 999;
        background-color: rgba(0,0,0,0.3);
    }
    .proving_popup_box{
        position: fixed;
        top: 50%;
        left: 50%;
        margin-left: -160px;
        margin-top: -105px;
        width: 300px;
        height: 200px;
        background-color: #fff;
        border-radius: 5px;
        border-top: 2px solid #538ffc;
        z-index: 999;
    }