#banner img{ width:100%; height:auto}
#banner {
    margin-top: 0;
    height: auto
}
.layui-main{ width:100%}
.layui-form {  background:#fff; padding:20px
}
#Vcode { display:inline-block; width:60%
}
#bt_vcode {
    width: 38%
}
.wrap, #banner {
    width: 900px;
    margin: 30px auto;
    position: relative;
    overflow: hidden;
}

.regok { text-align:left; display:none
}
.tips h2 {
 font-size:14px;}

@media (max-width: 1000px) {
    .wrap,#banner {
        width: 100%;
        min-width: 100%;
        margin: 0px;
    }
}