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

:root {
    --app-height: 100dvh;
    --common-width: min(480px, 100vw);
    --stage-left: 0px;
    --stage-top: 0px;
    --stage-scale: 1;
}

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000;
}

body {
    min-height: var(--app-height);
    color: #fff;
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.landing-shell {
    position: relative;
    width: 100vw;
    height: var(--app-height);
    min-height: 100vh;
    overflow: hidden;
    isolation: isolate;
    background: #000;
}

.landing-background,
.landing-background img,
.landing-background__shade,
.landing-background__gradient {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.landing-background img {
    object-fit: cover;
    object-position: center top;
}

.landing-background__shade {
    background: rgba(0, 0, 0, 0.8);
}

.landing-background__gradient {
    top: auto;
    height: 20%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.8));
}

.stage-viewport {
    position: absolute;
    top: env(safe-area-inset-top, 0px);
    right: env(safe-area-inset-right, 0px);
    bottom: env(safe-area-inset-bottom, 0px);
    left: env(safe-area-inset-left, 0px);
    overflow: hidden;
}

.landing-stage {
    position: absolute;
    top: 0;
    left: 0;
    width: 750px;
    height: 1511px;
    overflow: hidden;
    transform: translate3d(var(--stage-left), var(--stage-top), 0) scale(var(--stage-scale));
    transform-origin: top left;
}

.stage-halo {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 750px;
    height: 1475px;
    object-fit: cover;
    pointer-events: none;
}

.stage-logo {
    position: absolute;
    top: 44px;
    left: 40px;
    z-index: 8;
    width: 240px;
    height: 50px;
    object-fit: contain;
}

.stage-nav__item {
    position: absolute;
    top: 26px;
    z-index: 9;
    display: block;
}

.stage-nav__item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: fill;
}

.stage-nav__item--more {
    left: 358px;
    width: 73px;
    height: 87px;
}

.stage-nav__item--business {
    left: 452px;
    width: 72px;
    height: 87px;
}

.stage-nav__item--contact {
    left: 545px;
    width: 73px;
    height: 87px;
}

.stage-nav__item--webapp {
    left: 639px;
    width: 87px;
    height: 87px;
}

.hero-carousel {
    position: absolute;
    top: 179px;
    left: 55px;
    z-index: 3;
    width: 641px;
    height: 999px;
    margin: 0;
    overflow: hidden;
}

.hero-carousel .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 641px;
    height: 999px;
}

.hero-carousel__art {
    display: block;
    width: 641px;
    height: 999px;
    object-fit: contain;
}

.hero-carousel__art.is-missing {
    visibility: hidden;
}

.stage-slogan {
    position: absolute;
    top: 994px;
    left: 21px;
    z-index: 5;
    width: 708px;
    height: 198px;
    object-fit: contain;
    pointer-events: none;
}

.stage-download {
    position: absolute;
    top: 1237px;
    z-index: 8;
    width: 258px;
    height: 108px;
}

.stage-download img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.stage-download--ios {
    left: 16px;
}

.stage-download--android {
    left: 247px;
}

.stage-download--android-backup {
    left: 478px;
}

.stage-install-help,
.stage-install-note {
    position: absolute;
    z-index: 8;
    width: 100%;
    border: 0;
    background: transparent;
    color: #fff;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 32px;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    letter-spacing: 2.56px;
    white-space: nowrap;
}

.stage-install-help {
    top: 1362px;
    height: 38px;
    cursor: pointer;
}

.stage-install-note {
    top: 1411px;
    height: 38px;
}

.orientation-notice {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 24px;
    color: #fff;
    text-align: center;
    background: rgba(0, 0, 0, 0.94);
}

.orientation-notice strong {
    font-size: 24px;
}

.orientation-notice span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.72);
}

@media (orientation: landscape) and (max-height: 600px) {
    .orientation-notice {
        display: flex;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-carousel .swiper-wrapper {
        transition-duration: 0ms !important;
    }
}


.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:
        radial-gradient(circle at 50% 42%, rgba(247, 144, 2, 0.12), transparent 46%),
        rgba(3, 2, 1, 0.84);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.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;
    cursor: pointer;
}

.more-information-container .new-information-container {
    width: min(480px, calc(100vw - 32px));
    max-height: calc(var(--app-height) - 40px);
    margin: auto;
    position: relative;
    z-index: 11;
    padding: 12px;
    box-sizing: border-box;
    overflow-y: auto;
    scrollbar-width: none;
}

.more-information-container .new-information-container::-webkit-scrollbar {
    display: none;
}

.more-information-container .new-information-container .card {
    position: relative;
    min-height: 76px;
    background: linear-gradient(135deg, rgba(36, 27, 20, 0.96), rgba(12, 10, 9, 0.97));
    border: 1px solid rgba(247, 144, 2, 0.52);
    border-radius: 16px;
    padding: 14px 16px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    color: #fff;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 10px 30px rgba(0, 0, 0, 0.28);
    transition:
        transform 160ms ease,
        border-color 160ms ease;
}

.more-information-container .new-information-container .card::before {
    position: absolute;
    top: 12px;
    bottom: 12px;
    left: 0;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, #ffc75a, #e77500);
    content: "";
}

.more-information-container .new-information-container .card:active {
    transform: scale(0.985);
    border-color: rgba(255, 184, 54, 0.9);
}

.more-information-container .new-information-container .card:last-child {
    margin-bottom: 0;
}

.more-information-container .new-information-container .icon {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(247, 144, 2, 0.12);
}

.more-information-container .new-information-container .info {
    flex: 1;
    min-width: 0;
}

.more-information-container .new-information-container .title {
    font-size: 16px;
    font-weight: 700;
    flex: 1;
    min-width: 0;
    color: #fff;
    line-height: 1.35;
    letter-spacing: 0.02em;
}

.more-information-container .new-information-container .url,
.more-information-container .new-information-container .subtitle {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.68);
    margin-top: 4px;
    line-height: 1.4;
    overflow-wrap: anywhere;
}

.more-information-container .new-information-container .btn {
    flex: 0 0 auto;
    min-width: 82px;
    min-height: 36px;
    background: linear-gradient(180deg, rgba(36, 27, 20, 0.98), rgba(4, 4, 4, 0.98));
    color: #fff7e8;
    border: 1px solid #f79002;
    border-radius: 20px;
    padding: 7px 14px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.09),
        0 0 14px rgba(247, 144, 2, 0.18);
}

.information-FAQ {
    position: fixed;
    top: 0;
    left: 50%;
    right: 0;
    bottom: 0;
    z-index: 12;
    transform: translate(-50%);
    background:
        radial-gradient(circle at 50% 0, rgba(247, 144, 2, 0.12), transparent 35%),
        #100d0b;
    color: #fff;
    width: var(--common-width);
    height: var(--app-height);
    display: none;
}

.information-FAQ .back-arrow-container {
    display: flex;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid rgba(247, 144, 2, 0.24);
    background: rgba(8, 7, 6, 0.94);
}

.information-FAQ .back-arrow-container img {
    width: 30px;
    height: 30px;
    filter: invert(1);
}

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

.information-FAQ .back-arrow-container p {
    flex: 1;
    text-align: center;
    font-size: 16px;
    color: #fff;
    font-weight: 600;
}

.information-FAQ .question-list {
    height: calc(var(--app-height) - 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(247, 144, 2, 0.18) solid 1px;
    background: rgba(255, 255, 255, 0.025);
}

.information-FAQ .question-list details summary p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

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

.information-FAQ .question-list details summary img {
    width: 30px;
    height: 30px;
    filter: invert(1);
}

.information-FAQ .question-list details pre {
    padding: 14px;
    background-color: rgba(0, 0, 0, 0.26);
    color: rgba(255, 255, 255, 0.72);
    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: 1.65;
    font-size: 15px;
}

.information-FAQ .question-list details pre a {
    font-size: 14px;
    color: #f7a62f;
    text-decoration: none;
}

.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%;
}

.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;
}

@-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;
    }

    .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;
    }
}

@media screen and (max-width: 480px) {
    .information-FAQ {
        width: 100vw;
    }

    .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;
    }

}

@media screen and (max-width: 320px) {
    .more-information-container .new-information-container .card {
        min-height: 68px;
        padding: 10px 12px;
    }

    .more-information-container .new-information-container .btn {
        font-size: 12px;
        min-width: 72px;
        min-height: 32px;
        padding: 5px 10px;
    }
}

@media (hover: hover) and (pointer: fine) {
    .more-information-container .new-information-container .card:hover {
        transform: translateY(-1px);
        border-color: rgba(255, 184, 54, 0.88);
    }
}

@media (prefers-reduced-motion: reduce) {
    .more-information-container .new-information-container .card {
        transition: none;
    }
}