.electronic-cloud-film-image{
    background-image: url("../../images/electronic-cloud-film-image.png");
    height: 560px;
    background-repeat: no-repeat;
    background-position: center; 
    margin-top: 2%;
    z-index: -1; /* 确保背景层在内容层下方 */
}
.container-details{
    font-size: 20px;
}
.container-details h1,h2,h3 {
    text-align: center;
    color: #007bff;
}

.container-details h3 {
    text-align: center;
    color: #24a5b9c7;
    margin-top: 2%;
}