body {
    position: relative;
}
.header {
    position: absolute;
    top: 0;
    left: 0;
    padding: 0 40px;
    width: 100%;
    height: 60px;
    line-height: 60px;
    background-color: #fff;
}
.header .system-logo {
    /* margin-top: -4px; */
}
.header .system-name {
    display: inline-block;
    margin-left: 10px;
    font-size: 24px;
    font-weight: bold;
    color: #333;
    vertical-align: middle;
}
.content {
    padding-top: 60px;
    width: 100%;
    height: 100%;
}
.login-container {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
}
.box {
    padding-top: 10px;
    width: 100%;
    height: 100%;
    min-height: 580px;
}
.login-box {
    width: 100%;
    height: calc(100% - 70px);
    position: relative;
}
.login-card {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 960px;
    height: 500px;
    background-color: #fff;
    border-radius: 6px;
    overflow: hidden;
}
.login-card .left-content {
    float: left;
    width: 50%;
    height: 100%;
}
.login-card .login-area {
    float: left;
    width: 50%;
    overflow: hidden;
    height: 100%;
}
.login-card .left-content img {
    display: block;
    height: 100%;
}
.login-area .text {
    margin: 100px 0 60px;
    color: #008ae5;
    font-size: 24px;
    line-height: 24px;
    font-weight: 700;
    text-align: center;
}
.login-area .input-group {
    margin: 0 auto 30px;
    width: 360px;
    height: 50px;
    position: relative;
}
.login-area .input-group .input-group-addon {
    position: absolute;
    left: 1px;
    top: 1px;
    padding: 0;
    width: 40px;
    height: 48px;
    text-align: center;
    line-height: 50px;
    border: none;
    background-color: transparent;
    z-index: 6;
}
.login-area .input-group .input-group-addon i {
    font-size: 18px;
    color: #666;
}
.login-area .input-group .form-control {
    padding-left: 40px;
    height: 50px;
    border: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #f4f4f4;
}
.login-area .input-group .form-control:focus {
    border-color: #008ae5;
}
.login-btn {
    margin-top: 10px;
    width: 360px;
    height: 50px;
    color: #fff;
    font-size: 20px;
    border-color: #008ae5;
    background-color: #008ae5;
}
.login-btn:hover, .login-btn:focus {
    color: #fff;
}
.login-loading {
    display: none;
    height: 60px;
    line-height: 60px;
    text-align: center;
}
.footer {
    height: 70px;
    line-height: 70px;
    color: #fff;
    font-size: 16px;
    text-align: center;
    border: none;
}

/* tb初级 */
.content-tb .box {
    background: #3b75fd url(../../static/img/login-bg01.png) no-repeat center;
}
.content-tb .login-card .left-content {
    background-color: #c0c9e5;
}
.content-tb .login-area .text {
    color: #008ae5;
}
.content-tb .login-btn {
    background-color: #008ae5;
}
/* 1+x */
.content-1x {
    background-image: linear-gradient(#498ef1, #3369f2);
}
.content-1x .box {
    background: #3b75fd url(../../static/img/login-bg02.png) no-repeat center;
}
.content-1x .login-card .left-content {
    background-color: #498ef1;
}
.content-1x .login-area .text {
    color: #005ce3;
}
.content-1x .login-btn {
    background-color: #005ce3;
}
/* 电子商务师四级 */
.content-level4 .box {
    background: #3b75fd url(../../static/img/login-bg03.png) no-repeat center;
}
.content-level4 .login-card .left-content {
    background-color: #8ab4f2;
}
.content-level4 .login-area .text {
    color: #498ef1;
}
.content-level4 .login-btn {
    background-color: #498ef1;
}
/* 电子商务师五级 */
.content-level5 .box {
    background: #3b75fd url(../../static/img/login-bg03.png) no-repeat center;
}
.content-level5 .login-card .left-content {
    background-color: #488cf2;
}
.content-level5 .login-area .text {
    color: #498ef1;
}
.content-level5 .login-btn {
    background-color: #498ef1;
}