body{
    margin: 0;
    background-image:url("../image/login_bg.png");
    background-size: cover;
}
a{
    color: #999;
}
#box,#lose{
    box-sizing: border-box;
    width: 80%;
    margin: 2em auto 0;
}
#tit{
    width: 100%;
    height: 4em;
    line-height: 4em;
    text-align: center;
    padding: 1em 0;
    border-bottom: 1px solid #aaa;
}
.tit_txt{
    font-size: 20px;
    color: #f5f5f5;
}
.tit_icon{
    display: inline-block;
    width: 40px;
    height: 40px;
    background-image: url("../image/icon.png");
    background-size: 100% 100%;
    vertical-align: middle;
    margin-top: -10px;
}
#box>input{
    width: 100%;
    padding: 15px;
    font-size: 16px;
    display: block;
    text-align: center;
    margin-top: 50px;
    border: 1px solid #f5f5f5;
    background-color: #f5f5f5;
    color: #aaa;
    box-sizing: border-box;
    outline:none;
}
.btn{
    width: 100%;
    padding: 8px;
    margin: 20px 0 120px;
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    background-color: #428ee5;
    color: #fff;
    box-sizing: border-box;
}
div#box_btn{
    margin-bottom: 50px;
}
.foot{
    width: 100%;
    text-align: center;
    color: #ddd;
    font-size: 18px;
    font-weight: bold;
}
#model{
    width: 73%;
    box-sizing: border-box;
    margin: 6em auto;
}

.model_err_icon{
    width: 38px;
    height: 38px;
    background-image: url("../image/err.png");
}
.model_ok_icon{
    width: 38px;
    height: 38px;
    background-image: url("../image/ok.png");
}
#model_content{
    word-wrap: break-word;
    margin-top: 50px;
    font-size: 22px;
    color: #ddd;
}
.model_btn{
    font-size: 20px;
    font-weight: normal;
    margin-bottom: 0;
}
.load{
    width: 100%;
    text-align: center;
    font-size: 20px;
    color: #fff;
    margin-bottom: 50px
}
.form>span{
    display: inline-block;
    color: #fff;
    text-align: center;
    width: 40%;
}
.form>input{
    width: 60%;
    padding: 10px;
    font-size: 16px;
    display: inline-block;
    text-align: center;
    margin-top: 50px;
    border: 1px solid #f5f5f5;
    background-color: #f5f5f5;
    color: #aaa;
    box-sizing: border-box;
    outline:none;
 }
#num{
    display: inline-block;
    width: 60%;
    text-align: center;
    font-style: normal;
    color: #fff;
}