.product-swiper {
    position: relative;
    overflow: visible;
    min-height: calc(100vh * 4);
}
.product-swiper .swiper-slide {
    position: sticky;
    top: 0;
    width: 100%;
    min-height: 100vh;
    display: block;
}
.product-swiper .swiper-slide:nth-child(1) {
    z-index: 1;
}
.product-swiper .swiper-slide:nth-child(2) {
    z-index: 2;
}
.product-swiper .swiper-slide:nth-child(3) {
    z-index: 3;
}
.product-swiper .swiper-slide:nth-child(4) {
    z-index: 4;
}
.product-swiper .slide-box1 {
    position: unset;
    background-size: 100% auto;
    background-attachment: fixed;
    background-position: top center;
    min-height: 200vh;
}
.product-swiper .slide-box1 .txt {
    position: fixed;
    top: 20vh;
    left: 50%;
    transform: translate(-50%);
    text-align: center;
    z-index: 1;
}
.product-swiper .slide-box1 .desc {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 100%;
    transform: translate(-50%, -50%) translateY(20px);
    text-align: center;
    opacity: 0;
    z-index: 1;
}
.product-swiper .slide-box1 .next-pic {
    display: block;
    opacity: 0;
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
    z-index: 1;
}
.product-swiper .slide-box1 .init-pic {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
    z-index: 1;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-swiper .slide-box1 .init-pic.fade-out {
    opacity: 0;
}
.product-swiper .slide-box1 .tags {
    position: fixed;
    bottom: 20vh;
    left: 50%;
    transform: translate(-50%);
    display: flex;
    justify-content: center;
    width: 100%;
    column-gap: 1.25rem;
    opacity: 0;
    z-index: 1;
}

.product-swiper .slide-box1 .tags .tag {
    opacity: 0;
    transform: translateX(600px); /* 初始位置在右侧 */
}
.product-swiper .slide-box1 .tags.active .tag {
    transform: translateX(0);
    opacity: 1;
}
.product-swiper .slide-box1 .tags .tag {
    display: flex;
    flex-direction: column;
    align-items: center;
    column-gap: 0.1rem;
}
.product-swiper .slide-box1 .tags img {
    width: 0.44rem;
}
.product-swiper .slide-box2 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: url(../images/prm1_2.png) no-repeat center;
    background-size: cover;
}
.product-swiper .slide-box2 .scene-swiper {
    margin: 0.5rem auto;
    width: 100%;
    /*aspect-ratio: 1920 / 500;*/
    aspect-ratio: 1920 / 450;
}
.product-swiper .slide-box2 .scene-swiper .swiper-slide {
    border-radius: 0.16rem;
    overflow: hidden;
    cursor: pointer;
}
/*.product-swiper .slide-box2 .scene-swiper .swiper-slide img {*/
/*    max-width: 90%;*/
/*}*/
.product-swiper .slide-box2 .box {  
    display: flex;
    justify-content: center;
    width: 50%;
    margin: 0 auto;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.product-swiper .slide-box2 .box .item {
    position: relative;
    padding: 0.1rem 0;
    margin: 0 0.5rem;
    cursor: pointer;
}
.product-swiper .slide-box2 .box .item.act {
    font-weight: bold;
}
.product-swiper .slide-box2 .box .item.act::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #fff;
}
.product-swiper .slide-box2 .box .item:hover {
    font-weight: bold;
}
.product-swiper .slide-box2 .box .item:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #fff;
}
.product-swiper .slide-box3 {
    top: -40vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1rem 0;
    background: url(../images/prm1_2.png) no-repeat center;
    background-size: cover;
    min-height: 140vh;
}
.product-swiper .slide-box3 .pic {
    width: 78%;
    aspect-ratio: 1680 / 1050;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 0.5rem;
    padding: 0.7rem 1.7rem;
    background: rgba(0, 0, 0, 0.44);
    backdrop-filter: blur(78.69999694824219px);
    border-radius: 0.16rem;
}
.product-swiper .slide-box3 .pic img {
    width: 100%;
}
.product-swiper .slide-box4 {
    padding: 1rem 0;
    background: url(../images/prm1_2.png) no-repeat center;
    background-size: cover;
}
.product-swiper .slide-box4 .w1680 {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.product-swiper .slide-box4 .box {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: 88%;
    gap: 0.4rem;
    margin-top: 0.5rem;
}
.product-swiper .slide-box4 .box .item {
    display: flex;
    flex-direction: column;
    width: calc((100% - 0.8rem) / 3);
    aspect-ratio: 533 / 510;
    background: rgba(0, 0, 0, 0.37);
    border-radius: 0.1rem;
    backdrop-filter: blur(130.3000030517578px)
}
.product-swiper .slide-box4 .box .item .pic {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    aspect-ratio: 533 / 350;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.product-swiper .slide-box4 .box .item .pic img {
    width: auto;
    object-fit: contain;
    /*mix-blend-mode: Multiply;*/
}
.product-swiper .slide-box4 .box .item .txt {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0.4rem 0.45rem;
}
.product-swiper .slide-box4 .box .item .txt h6 {
    /*line-height: 1 !important;*/
    margin-bottom: 0.2rem;
    align-self: center;
}