/* 黑色遮罩层 */
.black_overlay_dlzc {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 白色内容框 */
.white_content_dlzc {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    max-width: 90%;
    max-height: 90vh;
    padding: 10px;
    background-color: #585850;
    border-radius: 8px;
    color: #fff;
    z-index: 1002;
    opacity: 0.93;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    text-align: center;
    transition: all 0.3s ease;
}