body{
    margin: 0;
    background: -webkit-linear-gradient(top, #ef7d19 0%, #dc4437 100%);
    background-repeat: no-repeat;
    min-width: 1000px;
    min-height: 960px;

}
ul,li{
    list-style: none;
    padding: 0;
    margin: 0;
}
.logo {
    margin-top: 20px;
    margin-left: 30px;
}
#select{
    position: absolute;
    right: 30px;
    top: 10px;
    background: none;
    font-family: "微软雅黑";
    font-size: 16px;
    color: white;
    cursor: pointer;
}
.option {
    display: none;
}
.arrow {
    pointer-events: none;
    display: inline-block;
    vertical-align: middle;
    margin-top: -1px;
    margin-left: 6px;
    margin-right: -14px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid #fff;
}
.back-btn {
    position: absolute;
    left: 20px;
    bottom: 20px;
    color: #fff;
    background:none;
    border:none;
    font-size: 16px;
}

.login-logo {
    float: left;
    margin-top: 98px;
    margin-left: 91px;
    width: 166px;
}
.login-form {
    position: fixed;
    height: 382px;
    width: 760px;
    top: 40%;
    right: 50%;
    margin-top: -150px;
    margin-right: -380px;
    border-radius: 30px;
    background: url(../img/login/background.png);
}
.form-div{
    position: absolute;
    right: 0;
    width: 400px;

}
.form-title {
    margin-top: 20px;
    display: block;
}
.input-div-user {
    background: #fff;
    width: 322px;
    border-radius: 10px;
    height: 50px;
    margin-top: 17px;
    background: #eeeeee;
}
.input-div-lock {
    background: #fff;
    width: 322px;
    border-radius: 10px;
    height: 50px;
    margin-top: 28px;
    background: #eeeeee;
}
.input-img {
    margin-left: 19px;
}
.input-span {
    font-size: 22px;
    color: #716f6f;
    margin-top: 13px;
}
.form-input {
    height: 30px;
    width: 200px;
    color: #716f6f;
    font-size: 16px;
    border: none;
    background: #eeeeee;
    margin-top: 13px;
}
.login-btn {
    border:none;
    width: 322px;
    margin-top: 28px;
    background-color: #dc4437;
    color: #fff;
    border-radius: 10px;
    height: 50px;
    font-size: 16px;
}
.foot-div {
    width: 100%;
    position: absolute;
    bottom: 17px;
    text-align: center;
    color: #716f6f;
}
a {
    color: #000000;
    text-decoration: none;
}
h4 {
    font-size: 18px;
    margin-top: 10px;
    margin-bottom: 10px;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    font-weight: 500;
    line-height: 1.1;
    color: #333;
}
.btn {
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 0;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.42857143;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    -ms-touch-action: manipulation;
    touch-action: manipulation;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-image: none;
    border: 1px solid transparent;
    border-radius: 4px;
    text-transform: none;
    overflow: visible;
    color: #333;
    font: inherit;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    -webkit-appearance: button;
}