.desktop {
    color: #fff;
    width: 100%;
    height: 100%;
    font-size: 0px;
    overflow: hidden;
}

* {
    -webkit-user-drag: none;
    box-sizing: border-box;
}

.desktop .fixed-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    object-fit: cover;
}

.desktop .fixed-bg * {
    object-fit: cover;
}

.content {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.top {
    display: flex;
    justify-content: center;
    z-index: 999;
}

.topBar {
    width: min(88vw, 1500px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5vh 2.4vw;
    backdrop-filter: blur(16px);
}

.brand {
    display: flex;
    align-items: center;
}

.logo {
    width: clamp(140px, 12vw, 240px);
    height: auto;
    display: block;
}

.desktop .contact {
    display: flex;
    align-items: center;
    gap: clamp(18px, 1.6vw, 28px);
}

.navBtn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: clamp(6px, 0.55vw, 10px);
    cursor: pointer;
}

.navBtn:not(:last-child) {
    padding-right: clamp(16px, 1.2vw, 20px);
}

.navBtn:not(:last-child)::after {
    content: "⋮";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: clamp(16px, 1.25vw, 18px);
    opacity: 0.55;
    pointer-events: none;
}

.navIcon {
    width: clamp(18px, 1.5vw, 24px);
    height: auto;
    display: block;
}

.navBtn span {
    font-size: clamp(14px, 1.05vw, 16px);
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.02em;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0.92;
}

.bottom {
    position: relative;
    flex: 1;
    overflow: hidden;
}

.hero {
    position: relative;
    width: 100%;
    height: 100%;
}

.titleWrap {
    position: absolute;
    left: 6vw;
    top: clamp(6vh, 10vh, 12vh);
    display: inline-block;
    width: auto;
    max-width: min(58vw, 980px);
    z-index: 5;
    pointer-events: none;
}

.titleImg {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 78vh;
    display: block;
}

.titleQrcode {
    position: absolute;
    left: 0.8%;
    top: 62%;
    width: min(17%, 260px);
    aspect-ratio: 1 / 1;
    border-radius: 10%;
    padding: 1.5%;
    background: #fff;
    box-shadow: 0 -0.2vh 2.2vh rgba(0, 0, 0, 0.25);
    pointer-events: none;
}

.renwu {
    position: absolute;
    bottom: 0;
    right: 0;
    height: min(82vh, 980px);
    width: auto;
    max-width: 54vw;
    object-fit: contain;
    z-index: 4;
    pointer-events: none;
}

.point {
    position: absolute;
    right: 2vw;
    top: 18vh;
    width: min(34vw, 640px);
    height: auto;
    object-fit: contain;
    z-index: 6;
    pointer-events: none;
}

@media screen and (max-height: 47.5rem) {
    .topBar {
        padding: 1.2vh 2.2vw;
        border-radius: 24px;
    }

    .titleWrap {
        top: 6vh;
        max-width: min(60vw, 900px);
    }

    .titleImg {
        max-height: 74vh;
    }

    .renwu {
        height: min(76vh, 860px);
        max-width: 52vw;
    }

    .point {
        top: 16vh;
        width: min(32vw, 600px);
    }
}

@media screen and (max-height: 40rem) {
    .titleWrap {
        top: 4vh;
    }

    .titleImg {
        max-height: 70vh;
    }

    .renwu {
        height: min(70vh, 780px);
        max-width: 50vw;
    }

    .point {
        top: 14vh;
    }
}

.downloadArea {
    position: absolute;
    left: 6vw;
    bottom: 9vh;
    z-index: 6;
}

.downloadPanel {
    display: flex;
    align-items: center;
    gap: clamp(14px, 1.4vw, 22px);
}

.qrcodeWrap {
    display: flex;
    align-items: center;
    gap: clamp(10px, 0.9vw, 14px);
}

.qrcode-box {
    width: clamp(150px, 6vw, 190px);
    height: clamp(150px, 6vw, 190px);
    padding: clamp(10px, 0.8vw, 14px);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.96);
    box-sizing: border-box;
}

.qrcodeSide {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: clamp(12px, 0.95vw, 14px);
    letter-spacing: 0.1em;
    opacity: 0.75;
    user-select: none;
    pointer-events: none;
}

.inside {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#qrcode {
    width: 100%;
    height: 100%;
}

#qrcode img,
#qrcode canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.downloadText {
    display: flex;
    flex-direction: column;
    gap: clamp(8px, 0.8vh, 10px);
    width: min(36vw, 560px);
}

.downloadBadge {
    width: fit-content;
    padding: clamp(8px, 0.8vh, 10px) clamp(14px, 1.2vw, 18px);
    border-radius: 8px;
    background: #ff4f86;
    font-size: clamp(12px, 1vw, 14px);
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
}

.downloadBadge span {
    font-weight: 700;
    opacity: 0.95;
}

.downloadDesc {
    font-size: clamp(12px, 0.95vw, 14px);
    line-height: 1.35;
    opacity: 0.88;
    max-width: min(36vw, 560px);
}

.downloadNotice {
    font-size: clamp(11px, 0.88vw, 13px);
    line-height: 1.35;
    opacity: 0.65;
    padding: clamp(8px, 0.75vh, 10px) clamp(10px, 0.9vw, 14px);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.slogan {
    position: absolute;
    left: 50%;
    bottom: 2.8vh;
    transform: translateX(-50%);
    font-size: clamp(18px, 1.8vw, 30px);
    font-weight: 800;
    letter-spacing: 0.02em;
    background: linear-gradient(90deg, #ff3b7a 0%, #ffb24a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
    width: min(92vw, 1400px);
    pointer-events: none;
}


.btn-right {
    margin-left: 2vw;
}

#qrcode img {
    visibility: visible !important;
}

.btn-box {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: space-around;
}

.btn-box .btn {
    display: inline-block;
    border: none;
    outline: none;
    cursor: pointer;
    transition: all .3s ease;
    background: transparent;
    font-size: 24px;
}

.btn-box img {
    width: 100%;
}

.btn-box .btn:hover {
    transform: translateY(-4px) scale(1.05)
}

.image-container .image-fade {
    object-fit: contain;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.image-container .image-fade.active {
    opacity: 1;
}