/* common */
* {
    padding: 0;
    margin: 0;
    letter-spacing: 0;
}

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

img {
    border-style: none;
}

a {
    text-decoration: none;
}

.hide {
    display: none !important;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #ccc;
    border-top: 4px solid #c11977;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

#md-app {
    display: none;
}

.bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.bg img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.main {
    position: absolute;
    top: 6vh;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 99;
}

.main .title {
    display: block;
    width: auto;
    height: 13vh;
}

.main .title1 {
    display: block;
    width: 60%;
    height: 50%;
}

.main .btn {
    margin-top: 5.278vh;
    padding-bottom: 10vh;
}

.main .btn img,
.main .btn a {
    cursor: pointer;
}

.main .btn img {
    width: 25vh;
    height: auto;
    margin: 0 1.2vh;
}

/* H5 */
@media screen and (max-width: 750px) {
    #app {
        display: none;
    }

    #md-app {
        display: block;
    }

    #md-app .swiper-slide-bg {
        width: 100%;
        height: 100%;
    }

    #md-app .btn {
        position: absolute;
        bottom: 8%;
        left: 50%;
        transform: translate(-50%, 0);
        z-index: 1;
    }

    #md-app .btn img {
        width: auto;
        height: 48px;
        cursor: pointer;
    }

    #md-app .btn .down-link {
        margin-top: 25px;
        display: block;
    }
}