.chapter3-section-50{
    height: 150vh;
    min-height: 100vh;
    width: 100%;
}

.animate3{
    height: 150vh;
    min-height: 100vh;
    width: 100%;
    position: relative;
}

.animate3-all{
    position: sticky;
    height: 100vh;
    width: 100%;
    top: 0;
    display: grid;
    grid-template-columns: repeat(48, minmax(0, 1fr));
    text-align: center;
    align-items: center;
    justify-items: center;
    overflow: hidden;
}

.animate3-image{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    
}

.animate3-image-all{
    display: flex;
    width: 100%;
    justify-content: center;
    /* margin-left: -12%; */
    /* overflow: hidden; */
}

.animate3-image-kid{
    margin-top: 45vh;
    flex-grow: 1;
    width: 62vw;
    object-fit: cover;
    object-position: top center;
    position: relative;
    margin-left: -10%;
    padding-bottom: 37.719298245614034%;
    will-change: transform;
}

.animate3-image-kid:nth-child(1) {
    margin-top: 35vh; /* 左侧图片，高度最高 */
}

.animate3-image-kid:nth-child(2) {
    margin-top: 52vh; /* 中间图片，高度中等 */
}

.animate3-image-kid:nth-child(3) {
    margin-top: 69vh; /* 右侧图片，高度最低 */
}

.animate3-image-kid img {
    width: 62vw;
    height: auto;
    display: block;
    -webkit-mask-image: linear-gradient(to bottom, black, transparent); /* Safari/Chrome */
    mask-image: linear-gradient(to bottom, black, transparent); /* 标准语法 */
    transform: translateY(-20px); /* 初始状态向上偏移 20px */
    transition: all 1s ease-in-out; /* 所有属性的过渡 */
}
  

.animate3-content{
    opacity: 0;
    grid-column: 3 / -3;
    font-size: calc(19.302339759999985px + 3.408823360000003vw);
    font-family: "Roslindale Display", "Helvetica", "Arial", sans-serif;
    word-spacing: 0.05em;
    line-height: 1.2;
    position: relative;
    z-index: 7;
    will-change: transform, opacity;
}
@media screen and (min-width: 375px) {
    .animate3-content {
        font-size: calc(19.302339759999985px + 3.408823360000003vw);
    }
}