* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: url(../image/desktop/bg.png?c=26) no-repeat;
    background-size: cover;
    position: relative;
}

header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    align-items: flex-start;
    padding: 3vh 5vw 0;
    z-index: 100;
}

header>img:first-of-type {
    width: 15vw;
}

header>img:nth-of-type(2) {
    width: 10vw;
    margin-left: auto;
    margin-right: 40px;
    cursor: pointer;
}

header>img:nth-of-type(3) {
    width: 10vw;
    margin-right: 40px;
    cursor: pointer;
}

header>img:nth-of-type(4) {
    width: 10vw;
    cursor: pointer;
}

main {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.fixed {
    position: absolute;
    bottom: 30vh;
    left: 10vw;
    background: #fff;
    display: flex;
    align-items: center;
    border-radius: 16px;
    padding: 20px;
}

.fixed>img {
    height: 15vh;
}

.swiper,
.swiper-wrapper,
.swiper-slide {
    width: 100%;
    height: 100%;
}

.swiper-slide>img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

footer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    height: 23vh;
    overflow: hidden;
    white-space: nowrap;
}

.scroller::-webkit-scrollbar {
    display: none;
}

.scroller img {
    height: 20vh;
    width: auto;
}

.scroller {
    display: flex;
    width: 100%;
    animation: scroll 5s linear infinite;
}

@keyframes scroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
        /* 只滚动半程，因为我们复制了一张 */
    }
}

#qrcode {
    margin-right: 20px;
}