body{background: #fff}
.top{
    width:100%;
    height:44px;
    line-height: 44px;
    background: #2F2F2F;
    text-align: center;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    overflow: hidden;
    position: fixed;
    top:0;
    z-index: 10;
}
.top .back{
    display: block;
    width:52px;
    height:44px;
    background: url(../images/back.png) no-repeat 0 11px;
    background-size: 15px 20px;
    margin-left: 15px;
    color: #fff;
    padding-left: 20px;
}
.top span{
    position: relative;
    left: -30px;
}

.form{
    display: block;
    margin-top:44px;
    background: #E5E5E5;
    padding-top: 25px;
}
.number,.pwd{
    background: #fff;
    border-bottom:1px solid #8A8A8A;
    padding: 10px;
}
.number{
    border-top:1px solid #8A8A8A;
}
.login_btn{
    background: #fff;
    padding:15px;
    margin-top:20px;
}
.number span,.pwd span{
    display: inline-block;
    width:80px;
    height:30px;
    line-height: 30px;
    color: #3A3A3A;
    font-weight: 600;
}
.number input,.pwd input{
    border: none;
    outline: none;
    display: inline-block;
    height:30px;
}
::-webkit-input-placeholder{
    color:#AEAEAE;
    font-weight: 600;
}
.login_btn button{
    display: block;
    width:100%;
    height:50px;
    background: #ED3037;
    color: #fff;
    font-size: 20px;
    font-weight:600;
    margin: 0 auto;
    border:none;
    border-radius: 6px;
}
.skip{
    padding: 0 15px;
}
.skip a{
    color: #ED3239;
    font-size: 12px;
}