/* CSS手风琴 */
.accordion-container {
    max-width:740px;
    margin: auto;
    overflow: hidden;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
}
.accordion-container .accordion-item {
    list-style: none;
    height: 400px;
    transition: width 0.5s;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow:0px 1px 10px 0 rgb(106 115 133 / 25%);
    border-radius: 80px;
}
.accordion-container .accordion-item::after {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.5s;
    border-radius: 80px;
}
@media screen and (max-width: 996px) {
    .accordion-container .accordion-item {
        height: 250px;
    }

}
.accordion-container .accordion-item.simple {
    height: 50px;
    background: none!important;
    box-shadow: none;
    border: 1px solid #c0d7ff;
    margin: 0 3px;
}
.accordion-container .accordion-item.simple:hover::after {
    opacity: 0;
}
.accordion-container .accordion-item:not(:hover) {
    width: 20%;
}
.accordion-container .accordion-item:hover {
    width: 300px;
}
.accordion-container .accordion-item:hover::after {
    opacity: 1;
}
.accordion-container .accordion-item .accordion-title {
    color: #fff;
    font-size: 18px;
    z-index: 2;
    cursor:pointer;
    text-align: center;
    text-shadow: 1px 1px 3px black;
}

@media screen and (max-width:992px) {
    .accordion-container .accordion-item .accordion-title {
        font-size: 12px;
    }
}
/* end */