#lunbolist{
    width: 800px;
    /*height: 300px;*/
    overflow: hidden;
    display: flex;
    position: relative;
}

#red{
    color: red;
}
.Atc9b {
    list-style: none;
    height: 100%;
    padding-right: 20px;
}

.F7XJmb {
    color: red;
}
li img{
    /* 保持原有尺寸比例，裁切长边 */
    object-fit: cover;
    /* 图片定位正中间 */
    object-position: center;
}