* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --common-width: 25vw;
}

body {
    background-color: black;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

header {
    width: var(--common-width);
    display: flex;
    align-items: center;
    padding: 1vw;
}

header .logo {
    flex: 1;
}

header .logo img {
    height: 3vw;
}

header .nav {
    display: flex;
    align-items: center;
}

header .nav img {
    height: 3.5vw;
    margin-right: 0.5vw;
}

header .nav img:last-child {
    margin-right: 0;
}

main {
    width: var(--common-width);
    flex: 1;
    min-height: 89%;
    overflow: hidden;
    text-align: center;
}

main .title {
    width: 90%;
    margin: 0 auto;
}

main .swiper {
    position: relative;
    width: var(--common-width);
    overflow: hidden;
}

main .swiper-wrapper {
    display: flex;
}

main .swiper-slide img {
    width: 100%;
    min-width: 0;
    user-select: none;
    cursor: pointer;
}

footer {
    position: fixed;
    width: var(--common-width);
    bottom: 0;
    right: 0;
    left: 50%;
    z-index: 9;
    transform: translate(-50%);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1vw;
    padding: 1vw;
}

footer img {
    width: 100%;
}

.more-information-container {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    z-index: 10;
    display: none;
    align-items: center;
    justify-content: center;
}

.more-information-container .mask {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.5);
}

.more-information-container .information-container {
    margin: 0 auto;
    width: var(--common-width);
    position: relative;
    z-index: 11;
}

.more-information-container .information-container .btn-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    background-color: white;
    border-radius: 15px;
    padding: 1.5vw;
}

.more-information-container .information-container .btn-list .title {
    width: 10vw;
}

.more-information-container .information-container .btn-list .btn {
    width: 20vw;
    margin-top: 1vw;
}

.more-information-container .information-container .btn-list .btn:first-child {
    margin-top: 0;
}

.information-FAQ {
    position: fixed;
    top: 0;
    left: 50%;
    right: 0;
    bottom: 0;
    z-index: 12;
    transform: translate(-50%);
    background-color: white;
    width: var(--common-width);
    height: 100vh;
    display: none;
}

.information-FAQ .back-arrow-container {
    display: flex;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.information-FAQ .back-arrow-container img {
    width: 30px;
    height: 30px;
}

.information-FAQ .back-arrow-container .hide {
    visibility: hidden;
}

.information-FAQ .back-arrow-container p {
    flex: 1;
    text-align: center;
    font-size: 16px;
}

.information-FAQ .question-list {
    height: calc(var(--vh, 1vh) * 100 - 50px);
    overflow-y: scroll;
}

.information-FAQ .question-list::-webkit-scrollbar {
    display: none;
}

.information-FAQ .question-list details {
    font-size: 16px;
}

.information-FAQ .question-list details summary {
    font-size: 16px;
    list-style: none;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    border-bottom: rgba(0, 0, 0, 0.05) solid 1px;
}

.information-FAQ .question-list details summary p {
    font-size: 16px;
    color: #1b1c1d;
}

.information-FAQ .question-list details[open] summary img {
    transform: rotate(90deg);
}

.information-FAQ .question-list details summary img {
    width: 30px;
    height: 30px;
}

.information-FAQ .question-list details pre {
    padding: 14px;
    background-color: #fafafa;
    white-space: pre-line !important;
    white-space: -moz-pre-line;
    white-space: -pre-line;
    white-space: -o-pre-line;
    word-wrap: break-word;
    line-height: 1.5;
    font-size: 15px;
}

.information-FAQ .question-list details pre a {
    font-size: 14px;
    color: #3d79fc;
    text-decoration: none;
}

.android-container,
.ios-container,
.android-setup-setting {
    position: fixed;
    top: 0;
    left: 50%;
    right: 0;
    bottom: 0;
    z-index: 11;
    transform: translate(-50%);
    background-color: white;
    display: none;
    flex-direction: column;
    width: var(--common-width);
}

.android-setup-device {
    position: fixed;
    top: 0;
    left: 50%;
    right: 0;
    bottom: 0;
    z-index: 12;
    transform: translate(-50%);
    background-color: white;
    display: none;
    flex-direction: column;
    width: var(--common-width);
}

.android-container .title,
.ios-container .title,
.android-setup-setting .title,
.android-setup-device .title {
    display: flex;
    align-items: center;
    padding: 10px;
    background-color: black;
}

.android-container .title .arrow-back-btn,
.ios-container .title .arrow-back-btn,
.android-setup-setting .title .arrow-back-btn,
.android-setup-device .title .arrow-back-btn {
    width: 30px;
    height: 30px;
}

.android-container .content,
.ios-container .content,
.android-setup-setting .content,
.android-setup-device .content {
    position: relative;
    overflow-y: scroll;
    padding-bottom: 18vh;
    min-height: 80vh;
}

.android-container .content::-webkit-scrollbar,
.ios-container .content::-webkit-scrollbar,
.android-setup-setting .content::-webkit-scrollbar,
.android-setup-device .content::-webkit-scrollbar {
    display: none;
}

.android-setup-device .content .device-webp {
    position: relative;
    width: 100%;
}

.android-setup-device .content .device-webp::before {
    content: "";
    width: 100%;
    padding-bottom: 100%;
}

.android-setup-device .content .device-webp::after {
    content: "加载中...";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0 auto;
    color: white;
    background-color: #ccc;
}

.android-container .content .content-header,
.ios-container .content .content-header,
.android-setup-setting .content .content-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.android-container .content .content-header img,
.ios-container .content .content-header img,
.android-setup-setting .content .content-header img {
    width: 8vw;
}

.android-container .content .content-header p,
.ios-container .content .content-header p {
    color: white;
    font-size: 18px;
    margin: 10px auto;
}

.android-container .content .content-header .setup-step {
    width: 100%;
    height: 50vw;
}

.ios-container .content .content-header img,
.android-container .content .content-header img {
    visibility: hidden;
}

.ios-container .content .content-header .btn,
.android-container .content .content-header .btn {
    visibility: hidden;
}

.ios-container .content img:first-child {
    display: none;
}

.ios-container .content .content-header p,
.android-container .content .content-header p {
    visibility: hidden;
}

.android-setup-setting .content .content-header .select-device {
    width: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: black;
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    border: black solid 2px;
    margin: 5vh auto;
}

.android-setup-setting .content .content-header .select-device p {
    text-align: center;
}

.android-setup-setting .content .content-header .select-device .appset {
    color: white;
    font-size: 17px;
    background-color: black;
    margin: .7rem .2rem;
    padding: .7rem 2rem;
    border-radius: 25px;
}

.android-container .content .content-header .btn,
.ios-container .content .content-header .btn {
    padding: 10px 30px;
    color: black;
    border-radius: 5px;
    background-color: white;
    margin: 20px auto;
}

.android-container .content img,
.ios-container .content img,
.android-setup-setting .content img {
    width: 100%;
    user-select: none;
}

.android-container .download,
.ios-container .download {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}


.android-container .download .btn,
.ios-container .download .btn {
    width: 80%;
    text-align: center;
    padding: 10px;
    border-radius: 35px;
    color: white;
    background-color: black;
    margin-top: 20px;
    font-size: 16px;
}
.android-container .download{
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    padding: 10px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}
.android-container .download .btn{
    width: 40%;
    text-align: center;
    padding: 10px;
    border-radius: 35px;
    color: white;
    background-color: black;
    margin-top: 20px;
    font-size: 16px;
}

summary::-webkit-details-marker {
    display: none;
}

.spinner-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.5);
}

.spinner {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 9px solid;
    border-color: rgba(0, 0, 0, 0.5);
    border-right-color: #f79002;
    -webkit-animation: spinner-zp9dbg 1s infinite linear;
    animation: spinner-zp9dbg 1s infinite linear;
}

.popup-alert {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 16px;
    z-index: 1000;
    text-align: center;
    max-width: 90%;
}

@-webkit-keyframes spinner-zp9dbg {
    to {
        -webkit-transform: rotate(1turn);
        transform: rotate(1turn);
    }
}

@keyframes spinner-zp9dbg {
    to {
        -webkit-transform: rotate(1turn);
        transform: rotate(1turn);
    }
}


@media (min-width:768px) and (max-width:1024px) {
    :root {
        --common-width: 65vw;
    }

    header .logo img {
        height: 8vw;
    }

    header .nav img {
        height: 8vw;
    }

    .more-information-container .information-container .btn-list {
        padding: 3.5vw;
    }

    .more-information-container .information-container .btn-list .title {
        width: 30vw;
    }

    .more-information-container .information-container .btn-list .btn {
        width: 56vw;
        margin-top: 3vw;
    }

    .android-container .content .content-header img,
    .ios-container .content .content-header img,
    .android-setup-setting .content .content-header img {
        width: 20vw;
    }
}

@media screen and (max-width:768px) {
    body {
        width: 100vw;
        min-height: 750px;
        background-repeat: no-repeat;
        background-size: 100% 100%;
        object-fit: cover;
    }

    header {
        width: 100vw;
        left: 0;
        padding: 3vw;
    }

    header .logo img {
        height: 12vw;
    }

    header .nav img {
        height: 14vw;
        margin-right: 2vw;
    }

    main {
        width: 100vw;
        text-align: center;
    }

    main .swiper {
        width: 100vw;
    }

    main .swiper-slide img {
        width: 100vw;
    }

    footer {
        width: 100vw;
        gap: 3vw;
        padding: 3vw;
    }

    .more-information-container {
        width: 100vw;
    }

    .more-information-container .information-container {
        width: 90%;
    }

    .more-information-container .information-container .btn-list {
        padding: 5vw;
    }

    .more-information-container .information-container .btn-list .title {
        width: 40vw;
    }

    .more-information-container .information-container .btn-list .btn {
        width: 80vw;
        margin-top: 3vw;
    }

    .information-FAQ {
        width: 100vw;
    }

    .android-container,
    .ios-container,
    .android-setup-setting,
    .android-setup-device {
        width: 100vw;
    }

    .android-container .content .content-header img,
    .ios-container .content .content-header img,
    .android-setup-setting .content .content-header img {
        width: 40vw;
    }
}

@media screen and (max-width:390px) {
    main .swiper-slide img {
        width: 85vw;
    }
}