a {
        text-decoration: none;
    }
    
    html {
        font-size: 50px;
    }
    
    @media screen and (min-width: 320px) {
        html {
            font-size: 21.33333333px;
        }
    }
    
    @media screen and (min-width: 360px) {
        html {
            font-size: 24px;
        }
    }
    
    @media screen and (min-width: 375px) {
        html {
            font-size: 25px;
        }
    }
    
    @media screen and (min-width: 384px) {
        html {
            font-size: 25.6px;
        }
    }
    
    @media screen and (min-width: 400px) {
        html {
            font-size: 26.66666667px;
        }
    }
    
    @media screen and (min-width: 414px) {
        html {
            font-size: 27.6px;
        }
    }
    
    @media screen and (min-width: 424px) {
        html {
            font-size: 28.26666667px;
        }
    }
    
    @media screen and (min-width: 480px) {
        html {
            font-size: 32px;
        }
    }
    
    @media screen and (min-width: 540px) {
        html {
            font-size: 36px;
        }
    }
    
    @media screen and (min-width: 720px) {
        html {
            font-size: 48px;
        }
    }
    
    @media screen and (min-width: 750px) {
        html {
            font-size: 50px;
        }
    }
    
    @media screen and (min-width: 1200px) {
        html {
            font-size: 80px;
        }
    }
    
    body {
        min-width: 320px;
        width: 15rem;
        margin: 0 auto;
        line-height: 1.5;
        font-family: Arial, Helvetica;
    }
    
    .first {
        width: 15rem;
        height: 2.56rem;
        z-index: 9999;
        background: #199524;
        position: relative;
    }
    /* .text {
        position: absolute;
        top: 1.5rem;
        left: 3rem;
    }
     */
    
    .icon,
    .head {
        float: left;
    }
    
    .icon {
        width: 2.2rem;
        height: 2.2rem;
        margin: 0.2rem 0 0 0.2rem;
    }
    
    .head {
        font-size: .6rem;
        color: #fefefe;
        margin: 0.8rem 0 0 0.3rem;
    }
    
    .download1 {
        float: right;
        width: 4.46rem;
        height: 1.28rem;
        margin: .8rem.3rem 0 0;
    }
    
    .bg {
        position: relative;
        width: 15rem;
        background: #000;
    }
    
    .bg1 {
        float: left;
        width: 15rem;
        height: 29.18rem;
    }
    
    .download2 {
        position: absolute;
        top: 11.2rem;
        left: 2.64rem;
        width: 9.72rem;
        height: 2.54rem;
    }
    
    .icons {
        position: absolute;
        top: 26rem;
        left: 0.3rem;
        width: 3.3rem;
        height: 3.3rem;
    }
    
    .di {
        position: absolute;
        top: 29.3rem;
        width: 15rem;
        font-size: .48rem;
        color: #fff;
        text-align: center;
        vertical-align: auto;
        justify-content: center;
    }
    
    .di span {
        margin-left: 0.8rem;
        border-bottom: .02rem solid #fff;
    }
    
    .di li {
        list-style-type: none;
        margin-top: 0.3rem;
    }
    
    .texttishi {
        position: absolute;
        z-index: 999999;
        top: 10rem;
        width: 15rem;
        background-color: rgba(8, 8, 8, 0.5);
        /* 半透明背景 */
        text-align: center;
        color: #ec8181;
        display: none;
    }