/*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;
}

#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 {
    width: 25vh;
    height: auto;
    margin: 0 1.2vh;
    cursor: pointer;
}

/* 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;
    }

    @keyframes md-btn-pulse {
        0%,
        100% {
            transform: scale(1);
        }
        50% {
            transform: scale(1.12);
        }
    }

    #md-app .btn img.down {
        transform-origin: center center;
        animation: md-btn-pulse 1.1s ease-in-out infinite;
        will-change: transform;
    }

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