html {
    width: 100%;
    height: 100%;
}

body {
    margin: 0;
    width: 100%;
    height: 100%;
    background: #000;
    position: relative;
}

.czy {
    position: absolute;
    top: 0;
    left: 0.25rem;
    width: 1.84rem;
    height: 0.52rem;
    background: #FFFFFF;
    border-radius: 0.38rem;
    text-align: center;
    color: #20D0C3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.czy a {
    color: #20D0C3;
}

.nonly {
    display: none;
}

/* Desktop Styles */
@media screen and (min-width: 769px) {
    .carousel {
        position: relative;
        max-width: 250px;
        margin: auto;
        overflow: hidden;
        border-radius: 20px;
    }

    .point {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 8px;
    }

    .point > div {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: white;
        margin: 0 2px;
        cursor: pointer;
    }

    .point > .action {
        background: rgb(15, 227, 198) !important;
    }

    .carousel-slide {
        display: flex;
    }

    .carousel-slide img {
        width: 100%;
        flex-shrink: 0;
    }

    #app {
        display: none;
    }

    #pc {
        margin: 0;
        width: 100%;
        height: 100%;
    }

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

    .container {
        width: 100%;
        height: 100%;
        position: relative;
        overflow: hidden;
        margin: 0 auto;
        padding: 0;
    }

    .back-video {
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
        border: 0;
        font-size: 100%;
        font: inherit;
        vertical-align: baseline;
          background: linear-gradient(to bottom, #173734, #1cd2c1);
    }

    .back-video img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        margin: 0;
        padding: 0;
        border: 0;
        font-size: 100%;
        font: inherit;
        vertical-align: baseline;
        -webkit-animation: scaleDraw 5000ms linear infinite;
        animation: scaleDraw 5000ms linear infinite;
    }

    @keyframes scaleDraw {
        0% {
            transform: scale(1);
        }
        25% {
            transform: scale(1.1);
        }
        50% {
            transform: scale(1.2);
        }
        75% {
            transform: scale(1.3);
        }
        100% {
            transform: scale(1.4);
        }
    }

    .content {
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        position: absolute;
    }

    .header {
        min-width: 496px;
        width: 100%;
        height: 120px;
        line-height: 120px;
        padding: 0 15%;
    }

    .fl-l {
        float: left;
    }

    .fl-r {
        float: right;
    }

    .lan {
        background: url(../img/arrow.png) no-repeat;
        background-position: right;
        appearance: none;
        -webkit-appearance: none;
        -moz-appearance: none;
        font-size: 18px;
        color: #fff;
        border: 0;
        width: 120%;
        margin-left: 5px;
        outline: none;
        min-width: 75px;
    }

    .lan option {
        background: #000;
    }

    .clear {
        clear: both;
    }

    .body {
        display: flex;
        align-items: center;
        justify-content: center;
        padding-top: 50px;
    }

    .body > div {
        margin: 0 30px;
    }

    .txt-content {
        text-align: center;
        font-size: 51px;
        color: #fff;
        font-style: oblique;
        max-width: 520px;
    }

    .download_list {
        height: 100%;
        margin-top: 110px;
    }

    .list-one {
        width: 219px;
        text-align: center;
        color: #fff;
        line-height: 45px;
        cursor: pointer;
        height: 70px;
    }

    .one- {
        border: 1px solid #fff;
        height: 70px;
        border-radius: 35px;
        vertical-align: middle;
        min-width: 170px;
        text-align: center;
        line-height: 70px;
        font-size: 21px;
    }

    .one- img {
        height: 40px;
        margin-top: -2px;
        margin-right: 12px;
    }

    .footer_a {
        width: 100%;
        height: 60px;
        line-height: 22px;
        text-align: center;
        color: #fff;
        margin-top: -62px;
        opacity: 0.9;
        font-size: 13px;
    }

    .footer_a a {
        font-size: 13px;
        color: #fff;
        text-decoration: none;
    }

    .box {
        display: flex;
        justify-content: space-around;
        margin: 0 auto;
    }

    .recharge {
        width: 114px;
        height: 36px;
        line-height: 36px;
        border-radius: 18px;
        border: solid 1px #ffffff;
        font-family: PingFang-SC-Bold;
        font-size: 18px;
        font-weight: normal;
        font-stretch: normal;
        color: #ffffff;
        padding: 0 10px;
        margin-right: 20px;
    }

    .langs {
        display: flex;
        justify-content: center;
        align-items: center;
    }
}

/* Mobile Styles */
@media screen and (max-width: 768px) {
    .mbottom {
        position: absolute;
        bottom: -41px;
        left: 50%;
        transform: translateX(-50%);
        font-size: 14px;
        color: #fff;
        width: 7.5rem;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .mbottom a {
        margin: 0 10px;
        font-size: 14px;
        color: #fff;
        display: block;
        white-space: nowrap;
        text-decoration: underline;
    }

    #pc {
        display: none;
    }

    .select_txt {
        line-height: .4rem;
        font-size: 0.2rem;
        display: inline-block;
        padding: 0 .1rem;
        cursor: pointer;
    }

    .section,
    .videoBox {
        width: 100%;
        height: 100%;
        background-color: #333;
    }

    .mobleTop {
        position: absolute;
        top: .5rem;
        left: 0;
        width: 100%;
        padding: 0 .3rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .langaue {
        background-color: rgba(0, 0, 0, 0);
        color: #FFFFFF;
        display: flex;
        align-items: flex-start;
        margin-left: auto;
        position: absolute;
        right: 0;
        top: 0;
    }

    .recharge {
        font-weight: normal;
        font-stretch: normal;
        color: #ffffff;
        font-size: .20rem;
        padding: .05rem .2rem;
        border: .02rem solid #fff;
        border-radius: .2rem;
        margin-right: .2rem;
        min-width: 1.67rem;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .select {
        position: relative;
        display: inline-block;
        font-size: .20rem;
        background-color: rgba(0, 0, 0, 0);
        color: #fff;
        padding: 0;
        margin: 0;
    }

    .select div {
        color: #333;
        background: #fff;
    }

    .select-img {
        width: 0.21rem;
        height: 0.13rem;
        margin-right: .1rem;
        margin-top: .18rem;
        cursor: pointer;
    }

    .star_txt {
        position: absolute;
        width: 100%;
        height: 1.58rem;
        top: 5rem;
        text-align: center;
        color: #fff;
        font-size: 0.44rem;
        line-height: 0.7rem;
        font-weight: bold;
        font-family: "宋体";
        overflow: hidden;
    }

    .set_tag {
        position: absolute;
        width: 100%;
        top: 6.4rem;
        text-align: center;
        color: #fff;
        font-size: 0.44rem;
        font-family: 'SourceHanSerifSC-Heavy';
        overflow: hidden;
    }

    .set_tag .tag,
    .set_tag .tagI {
        font-weight: 700;
        font-family: "宋体";
        font-size: .28rem;
        line-height: .48rem;
    }

    .left_center_logo {
        width: 2.2rem;
        position: absolute;
        top: 4rem;
        left: 2.68rem;
    }

    video {
        position: absolute;
        left: 0;
        top: 0;
        z-index: 0;
    }

    .sele_one {
        display: none;
        padding: 0.15rem 0.3rem;
        font-size: 0.3rem;
        white-space: nowrap;
        cursor: pointer;
        text-align: right;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        background: #fff;
        color: #333;
    }
    
    .sele_one:last-child {
        border-bottom: none;
    }
    
    .sele_one:hover {
        background: #f5f5f5 !important;
    }
    
    .select.show .sele_one {
        display: block;
        position: relative;
        z-index: 999;
    }
    
    .select.show .sele_one:first-child {
        margin-top: 0.1rem;
        border-radius: 0.1rem 0.1rem 0 0;
    }
    
    .select.show .sele_one:last-child {
        border-radius: 0 0 0.1rem 0.1rem;
    }
    
    .select.show {
        position: relative;
    }
    
    .select.show::before {
        content: '';
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        margin-top: 0.1rem;
        background: #fff;
        border-radius: 0.1rem;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        z-index: 998;
        pointer-events: none;
    }

    .videoBox {
        background: url('../img/mBg.png') no-repeat;
        background-size: 100% 100%;
    }

    .download_list {
        position: absolute;
        bottom: 1.8rem;
        left: 50%;
        transform: translateX(-50%);
    }

    .list-one {
        color: #fff;
    }

    .download_list .box {
        margin-top: 5px;
    }

    .one- {
        width: 3.7rem;
        height: 0.8rem;
        border-radius: 0.4rem;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.27rem;
        background: #000;
    }

    .one- img {
        height: 0.48rem;
        margin-right: 12px;
    }
}