.title_box {
    width: 100%;
    height: 135px;
    background-color: #fff;
    padding-top: 37px;
    box-sizing: border-box;
    overflow: hidden;
}
.title_logo {
    width: 1200px;
    height: 135px;
    margin: 0 auto;
}
.left {
    display: flex;
    float: left;
}
.left span {
    display: inline-block;
    width: 1px;
    height: 24px;
    background-color: #333333;
    margin-top: 18px;
    margin-left: 24px;
}
.login {
    margin-top: 13px;
    padding-left: 19px;
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333333;
}
.right {
    float: right;
}
.line {
    display: inline-block;
    width: 2px;
    height: 13px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    background-color: #666666;
    margin: 0 13px;
    vertical-align: middle;
    margin-top: -13px;
}
.right .right_t img {
    vertical-align: middle;
    margin-top: -16px;
}
.phone_kefu {
    font-size: 30px;
    font-family: AaHouDiHei;
    font-weight: 900;
    color: #666666;
    line-height: 44px;
}
.right_b {
    float: right;
}
.login_big_box {
    width: 100%;
    height: 802px;
    background: url(/admin/images/background.png) no-repeat;
    position: relative;
}
.login_big_box form {
    width: 494px;
    height: 336px;
    background: #FFFFFF;
    border-radius: 6px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -247px;
    margin-top: -168px;
    text-align: center;
}
.form_title {
    font-size: 20px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333333;
    margin: 36px 0;
}
.user_name {
    margin-bottom: 21px;
    position: relative;
}
.user_name img {
    position: absolute;
    left: 73px;
    z-index: 999;
    top: 16px;
}
.user_pass {
     position: relative;
     margin-bottom: 28px;
}
.user_pass img {
    position: absolute;
    left: 73px;
    z-index: 999;
    top: 16px;
}
.user_name input, .user_pass input {
    width: 372px;
    height: 50px;
    background: #F8F8F8;
    border-radius: 3px;
    margin: 0 auto;
    padding-left: 35px;
    box-sizing: border-box;
    position: relative;
}
.submit_btn {
    width: 372px;
height: 50px;
background: #1456AE;
border-radius: 3px;
color: #fff;
}