:root {
    --expanding-collection-content-bg-color: #fff;
    --expanding-collection-content-vertical-offset: 32px;
    --expanding-collection-content-horizontal-offset: 16px;
    --expanding-collection-content-padding: 16px;
    --expanding-collection-content-border-radius: 8px;
    --expanding-collection-cover-border-radius: 8px;
    --expanding-collection-inactive-cover-opacity: 0.5;
    --expanding-collection-opened-translate-y: -64px;
    --expanding-collection-cover-box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.7);
    --expanding-collection-opened-cover-box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.5);
}

.expanding-collection {
   overflow: visible;
    position: relative;
    box-sizing: border-box;
    width: 100%
    margin: 0 auto;
}
.expanding-collection .swiper {
    width: 100%;
    height: 100%;
    overflow: visible;
    /*.expanding-collection .swiper*/
    transform-style: preserve-3d;
    transform: translate3d(0, 0, 0);
}
.expanding-collection .swiper-slide {
    justify-content: center;
    align-items: center;
    display: flex;
    width: calc(100% - 32px);
}
.expanding-collection-initialized .expanding-collection-content, .expanding-collection-initialized .expanding-collection-cover, .expanding-collection-initialized .expanding-collection-cover::before {
    transition-duration: 300ms;
}
.expanding-collection-container, .expanding-collection-cover {
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.expanding-collection-container {
    max-width: calc(100% - 32px);
    position: relative;
}
.expanding-collection-cover {
    opacity: var(--expanding-collection-inactive-cover-opacity);
    position: relative;
}
.expanding-collection-cover img {
    width: 100%;
    border-radius: var(--expanding-collection-cover-border-radius);
    display: block;
    margin: 0;
    position: relative;
    z-index: 2;
}
.expanding-collection-cover::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 90%;
    left: 0;
    bottom: 0;
    border-radius: var(--expanding-collection-cover-border-radius);
    z-index: 1;
    transform-origin: center bottom;
    box-shadow: var(--expanding-collection-cover-box-shadow);
}
.swiper-slide.swiper-slide-active .expanding-collection-cover {
    opacity: 1;
    cursor: pointer;
}
.swiper-slide:not(.swiper-slide-active) .expanding-collection-cover::before {
    box-shadow: none;
}
.swiper-slide:not(.swiper-slide-active) .expanding-collection-content {
    opacity: 0;
}
.expanding-collection-content {
    position: absolute;
    box-sizing: border-box;
    left: calc(-1 * var(--expanding-collection-content-horizontal-offset));
    right: calc(-1 * var(--expanding-collection-content-horizontal-offset));
    top: 0;
    z-index: 0;
    padding-top: calc(var(--expanding-collection-cover-height) - var(--expanding-collection-content-vertical-offset));
    border-radius: var(--expanding-collection-content-border-radius);
    transform: scaleX(var(--expanding-collection-scale-x)) scaleY(var(--expanding-collection-scale-y));
    transform-origin: center top;
    background: var(--expanding-collection-content-bg-color);
}
.expanding-collection-content-inner {
    padding: var(--expanding-collection-content-padding);
    box-sizing: border-box;
}
.expanding-collection-opened .expanding-collection-cover {
    transform: translateY(var(--expanding-collection-opened-translate-y));
}
.expanding-collection-opened .expanding-collection-cover::before {
    box-shadow: var(--expanding-collection-opened-cover-box-shadow);
}
.expanding-collection-opened .expanding-collection-content {
    transform: scale(1) translateY(calc(var(--expanding-collection-opened-translate-y) + var(--expanding-collection-content-vertical-offset)));
    opacity: 1;
}