* {
    margin: 0;
    padding: 0;
}

body {
    color: #fff;
    font-size: 10px;
    background: linear-gradient(125deg, #4f97a3, #682e57);
}

.toastText {
    position: fixed;
    left: 50%;
    top: 0;
    transform: translate(-50%, calc((100% + 10px) * -1));
    background-color: #3ebe57;
    font-size: 14px;
    text-align: center;
    padding: 8px 16px;
    border-radius: 8px;
    user-select: none;
}

.toastText.fadein {
    animation: toast_in 3s ease-in-out forwards;
}

@keyframes toast_in {
    0% {
        transform: translate(-50%, calc((100% + 10px) * -1));
        opacity: 0;
    }

    10% {
        transform: translate(-50%, calc((100% + 10px) + 0px));
        opacity: 1;
    }

    90% {
        transform: translate(-50%, calc((100% + 10px) + 0px));
        opacity: 1;
    }

    100% {
        transform: translate(-50%, calc((100% + 10px) * -1));
        opacity: 0;
    }
}

.toastText .cont {}

.toastText .t {}

.toastText .icon {}

.app {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: no-repeat center /cover;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 10px;
}

header {
    position: relative;
    padding: 3em 8em 1em;
}

main {
    flex: 1;
    padding: 10px 12px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

main .container {
    display: flex;
    max-width: 88%;
    gap: 3em;
    flex-wrap: wrap;
    justify-content: space-between;
    height: 100%;
}

.info {
    padding: 10px 0 10em;
    gap: 10px;
    flex: 1;
    width: 40%;
    order: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: start;
}

.info .content {
    font-size: 4em;
    line-height: 1.3;
    margin: 0em 0 1em;
    min-width: 13em;
}

.info .btn {
    background-color: #007dff;
    font-size: 2.1em;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.info .btn .txt {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 30px;
    border-radius: 10px;
    padding: 10px 20px;
    cursor: pointer;
    position: relative;
    user-select: none;
}

.info .btn .txt .t {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.info .btn .txt .t {}

.info .btn .txt .t p {}

.info .btn .txt .t .s {
    font-size: 12px;
    display: flex;
    gap: 10px;
    opacity: 0.8;
}

.info .btn .ico_down {}

.info .btn .pop {
    background: #fff;
    border-radius: 10px;
    --w: 200px;
    --padding: 10px;
    position: absolute;
    left: calc(50% - var(--w) /2);
    top: calc(100% + 10px);
    width: var(--w);
    min-height: var(--w);
    z-index: 2;
    padding: var(--padding);
    box-sizing: border-box;
    box-shadow: 0px 2px 2px #ccc;
    transform: scale(0);
    transition: .3s;
    transform-origin: center top;
}

.info .btn:hover .pop {
    transform: scale(1);
}

.info .btn .pop .qrcode {
    width: 100%;
    height: calc(var(--w) - var(--padding) * 2);
    background: no-repeat center / contain;
}

.info .btn .pop .qrcode::before {
    content: '';
    display: block;
    width: var(--w);
    height: var(--w);
    position: absolute;
    top: -20px;
    left: 0;
}

.info .btn .pop .qrcode img {
    display: block;
    width: 100%;
    height: auto;
}

.info .btn .pop .tips {
    color: #333;
    font-size: 14px;
    text-align: center;
    margin: 5px 0;
}

.pic_swiper {
    cursor: pointer;
    padding-bottom: 40px;
    --radu: 10px;
    border-radius: var(--radu);
    animation: swp 1s linear forwards;
    width: 56%;
    max-width: 1100px;
}

@keyframes swp {
    0% {
        transform: translateX(100vw);
    }

    100% {
        transform: translateX(0);
    }
}

.pic_swiper img {
    display: block;
    border-radius: var(--radu);
    user-select: none;
    object-fit: contain;
    width: 100%;
}

.pic_swiper_in img {
    height: 0;
    opacity: 0;
    animation: slide_img 1s 0.5s forwards;
}

@keyframes slide_img {
    0% {
        transform: calc(0);
        width: 0%;
        height: 0;
        opacity: 0;
    }

    100% {
        transform: calc(1);
        width: 100%;
        height: auto;
        opacity: 1;
    }
}

.pic_swiper .swiper-pagination {}

.pic_swiper .swiper-pagination .swiper-pagination-bullet {
    background-color: #fff;
}

footer {
    position: relative;
    padding: 10px 0;
}

.disclaimer {
    line-height: 1.8;
    font-size: 14px;
}

/* media */
@media screen and (max-width: 1440px) {
    body {
        font-size: 7px;
    }
}

@media screen and (max-width: 1200px) {
    body {
        font-size: 6px;
    }

    #img_logo {
        height: 4em;
    }
}

@media screen and (max-width: 1100px) {
    body {
        font-size: 8px;
    }

    #img_logo {
        height: 3em;
    }

    .pic_swiper {
        width: 100%;
    }

    .info {
        orphans: 1;
        padding: 0;
        order: 0;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .info .content {
        margin: 0 0 0.4em;
        flex: 1;
    }
}

@media screen and (max-width: 840px) {
    body {
        font-size: 7px;
    }

    #img_logo {
        height: 2em;
    }
}

@media screen and (max-width: 750px) {
    body {
        font-size: 6px;
    }

    header {
        padding: 3em 2em 1em;
    }

    .info .btn .pop {
        left: -2em;
    }

    .disclaimer {
        font-size: 12px;
        line-height: 1.4;
    }

    .info {
        flex-direction: column;
        align-items: start;
    }

    .info .btn .txt {
        font-size: 14px;
    }

    .info .btn .txt .s {
        font-size: 12px;
    }
}