body {
    -webkit-touch-callout: none;
    font-family:-apple-system-font,"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background-color: #fff;
    line-height: inherit;
    color: #333;
}
*{
    margin: 0;
    padding: 0;
}

a{
    color: #333;
    text-decoration: none!important;
    list-style: none!important;
}
li{
    list-style: none;
}
#wrap {
    width: 750px;
    margin: 0 auto;
    position: relative;
    height: auto;
    overflow: hidden;
}


/*提示*/
.tips{
    margin: 30px 0;
    padding: 0 30px;
    box-sizing: border-box;
}
.tips_img{
    text-align: center;
    margin-top: 50px;
    margin-bottom: 20px;
}
.tips_nr,.tips_jump{
    font-size:30px;
    margin: 0 auto;
    color: #a5a5a5;
    margin-bottom: 15px;
    text-align: center;
    line-height: 50px;
}


/*图片*/
.diss img{
    width: 750px;
    margin: 30px 0;
}
.join img{
    width: 750px;
}
.img{
    margin-top: 120px;
}