.denglu {
    /*width: 900px;*/
    /*background: #001e5e;*/
    /*box-shadow: 2px 0 10px #ccc;*/
    border-radius: 5px;
    /*height: 355px;*/
    position: absolute;
    /*top: 40%;
    left: 50%;
    margin-left: -490px;*/
    padding: 40px;
    /*margin-top: -217.5px;*/
    /* background: rgba(255,163,35,0.7);*/
   background: rgba(143,143,143,0.6);
}

.denglu_left {
    width: 380px;
    height: 380px;
}

.login_logo {
    width: 100%;
    margin-bottom: 30px;
    display: block;
}

.login_img {
    width: 67%;
    margin: 0 auto;
    display: block;
}

.login_form {
    width: 465px;
    float: right;
}
.cert_form {
    width: 21rem;
    float: right;
}

.login_bt {
    text-align: center;
    font-size: 24px;
    margin-bottom: 50px;
    color: #fff;
}
.zs_sou_bt {
    font-size: 20px;
    color: #fff;
    text-align: center;
}
.zs_sou_bt1 {
    font-size: 14px;
    color: #fff;
    text-align: center;
    margin-top: 15px;
    margin-bottom: 30px;
}
.login_box {
    border: 1px solid #e7e7e7;
    border-radius: 5px;
    width: 80%;
    margin: 0 auto;
    position: relative;
    display: block;
    margin-bottom: 20px;
    line-height: 50px;
    text-align:left;
}

.login_box input {
    background: none;
    border: none;
    width: 85%;
    line-height: 50px;
    border-radius: 5px;
    padding: 0;
    font-size: 14px;
    color: #fff;
    outline: none;
    text-indent: 1em;
}
.error {
    border: 1px solid #ff0000;
}


.login_box input::-webkit-input-placeholder {
    color: #fff;
}

.login_box input::-moz-input-placeholder {
    color: #fff;
}

.login_box input::-ms-input-placeholder {
    color: #fff;
}




.login_tb {
    width: 20px;
    height: 20px;
    position: absolute;
    right: 15px;
    top: 15px;
}

.login_dl {

    text-align: center;
}

.login_tb1 {
    width: 100px;
    position: absolute;
    right: 5px;
}