html,
body,
#root,
#root > div {
  width: 100%;
  height: 100%;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html,
body {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: Roboto, Arial, sans-serif;
}

a {
    color: #000;
    text-decoration: none;
}
@media(min-width:768px){
    .wrap {
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
        position: relative;
        height: 900px;
        padding-top: 93px;
    }
    .head{
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background-color: #fff;
    }
    .logo{
        width: 40px;
        height: 93px;
        margin: 0 auto;
        padding: 10px 0;
        box-sizing: border-box;
    }
    img{
        width: 100%;
    }
    .cont .pic{
        width: 100%;
        margin: 0 auto;
    }
    .cont h2{
        text-align: center;
        color: #000;
        font-size: 18.8px;
        font-weight: 700;
        margin: 20px 0;
    }
    .cont p{
        text-align: center;
        color: #000;
        font-size: 18.8px;
        margin: 20px 0;
    }
    .cont a{
        display: block;
        width: 90%;
        height: 64px;
        line-height: 64px;
        background-color: #000;
        color: #fff;
        font-size: 18.8px;
        font-weight: 800;
        margin: 20px auto;
        text-align: center;
    }
    
}
@media(max-width:768px){
    .wrap {
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
        position: relative;
        padding-top: 60px;
    }
    .head{
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background-color: #fff;
    }
    .logo{
        width: 25px;
        height: 60px;
        margin: 0 auto;
        padding: 10px 0;
        box-sizing: border-box;
    }
    img{
        width: 100%;
    }
    .cont .pic{
        width: 100%;
        margin: 0 auto;
    }
    .cont h2{
        text-align: center;
        color: #192128;
        font-size: 14.5px;
        font-weight: 700;
        margin: 20px 0;
    }
    .cont p{
        text-align: center;
        color: #192128;
        font-size: 14.5px;
        margin: 20px 0;
    }
    .cont a{
        display: block;
        width: 90%;
        height: 55px;
        line-height: 55px;
        background-color: #000;
        color: #fff;
        font-size: 14.5px;
        font-weight: 800;
        margin: 20px auto;
        text-align: center;
    }
    
}