/* 黑色居中轻提示（与 smallToast.js 配套，class 沿用 .toust_box 以兼容旧页） */

.toust_box {
    display: none;
    padding: 0 .36rem;
    min-width: 3rem;
    max-width: 90%;
    box-sizing: border-box;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 1.15rem;
    background-color: rgba(0, 0, 0, .7);
    border-radius: 3px;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    text-align: center;
    line-height: 1.15rem;
    font-size: .32rem;
    color: #fff;
    z-index: 9999;
}