:root {
    --page-max-width: 1280px;
    --advert-cloumns-num: 5;
    --advert-margin-width: 20px;
    --advert-size: 1599 / 750;
    --advert-container-width: calc(var(--page-max-width) - calc(calc(var(--advert-cloumns-num) - 1) * var(--advert-margin-width)));
    --advert-width: calc(var(--advert-container-width) / var(--advert-cloumns-num));
    --advert-height: calc(var(--advert-size) * var(--advert-width));
}

@media(max-width:650px) {
    body .roll-advert .preButton,
    body .roll-advert .nextButton {
        width: 30px;
    }
}
/* @media(max-width:var(--advert-container-width)) {
    .roll-advert .swiper-slide {
        width: var(--advert-width) !important;
    }
    
    .roll-advert .swiper-container .swiper-slide>div {
        height: var(--advert-height) !important;
        position:relative;
    }
} */
#roll-advert a {
    display: block;
}

.roll-advert {
    position: relative;
}
.roll-advert .swiper-wrapper>div{
    padding: 20px 0;
}
.roll-advert .swiper-container {
    /* background:red; */
}

.roll-advert .swiper-slide {
    width: var(--advert-width) !important;
}

.roll-advert .swiper-container .swiper-slide>div {
    height: var(--advert-height) !important;
    position:relative;
}
.roll-advert .swiper-container .swiper-slide>div>.tagging{
    position:absolute;
    width:55px;
    height:24px;
    bottom: 10px;
    left:10px;
    border-radius: 3px 8px;
    background: rgba(0, 50, 81, 0.45);
    display:flex;
    justify-content:center;
    font-size:var(--common-font-size);
    color:var(--common-font-color);
    line-height: 22px;
}

.roll-advert .slide-img {
    height: 100%;
}
.roll-advert .preButton,
.roll-advert .nextButton{
    display:none;
}

.roll-advert:hover .preButton,
.roll-advert:hover .nextButton {
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
    display: flex;
    align-items: center;
    z-index: 9;
}
.roll-advert .preButton >img,
.roll-advert .nextButton >img{
    width: 32px;
    height: 52px;
}
.roll-advert .preButton {
    left: 0;
    cursor: pointer;
}

.roll-advert .nextButton {
    right: 0;
    cursor: pointer;
}

#roll-advert .swiper-button-prev,
#roll-advert .swiper-button-next {
    opacity: 0;
}