.site_id {
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: #e3e3e3;
    color: #000;
    width: 60px;
    padding: 1px 5px;
    font-size: 14px;
}

.nav_title{
    width: 100%;
}

.system_title{
    color:#333631;
    font-weight: bold;
    margin: 5px;
    display: inline-block;
    font-weight: normal;
}
.system_title_logo{
    display:inline-block;
    width:60px;
    height:60px;
    border-radius: 8px;
    margin:10px auto;
    color:#fff;
    text-align:center;
    font-size:28px;
    line-height: 65px;
    font-weight: normal;
    background: linear-gradient(180deg, #09006D 0%, rgba(255, 255, 255, 0) 100%), #00BDE7;
}
.system_title_name{
    display:inline-block;
    font-size:28px;
    vertical-align: -1px;
}
.bk_login_form_potision {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.bk_login_form {
    display: inline-block;
    width: 850px;
    height:400px;
    border-radius: 40px;
    box-shadow: 5px 5px 8px #000;
}
.bk_login_form_left {
    text-align: center;
    display: inline-block;
    width: 300px;
    height: 400px;
    background: #fff;
    border-radius: 40px 0 0 40px;
}
.login_idpass_form {
    width: 90%;
    height:19px;
    border: none;
    border-bottom: 1px solid #d1d5db;
}
.login_idpass_form:hover {
    background: #f5f5f5;
}
.bk_login_button {
    display: block;
    width: 120px;
    height: 37px;
    line-height: 28px;
    background: linear-gradient(180deg, #09006D 0%, rgba(255, 255, 255, 0) 100%), #00BDE7;
    font-weight: bold;
    color: #fff;
    margin: 10px auto;
    text-align:center;
    padding: 5px;
    border-radius: 6px;
}
.bk_login_button:hover {
    background: #d3d3d3;
    color: #fff;
    cursor: pointer;
}
.bk_service {
    display: inline-block;
    border-radius: 0 40px 40px 0;
    background: linear-gradient(-45deg, #09006D 0%, rgba(255, 255, 255, 0) 100%), #00BDE7;
    width: 550px;
    height: 400px;
    padding: 20px 50px;
    font-size: 14px;
    color: #fff;
    float: right;
}
.corona {
    display: inline-block;
    border-radius: 11px;
    background: rgba(220,220,220,0.9);
    width: 850px;
    margin: 50px auto;
    padding: 13px;
    line-height: 1.6;
    box-shadow: 5px 5px 8px #000;
}