body {
    background: #fff;
}

html, body {
    width: 100%;
    height: 100%;
}

.w {
    margin: 0 auto;
    width: 1320px;
}

/* 头部 */
.header {
    margin-top: 50px;
    margin-bottom: 28px;
}

.header img {
    max-width: 100%;
}

/* 主体 */
.main {
    padding-top: 73px;
    background: transparent url("./login-bg.jpg") no-repeat center top;
    min-height: 600px;
}

.login-box {
    position: relative;
    float: right;
    width: 440px;
    box-shadow: 0 0 30px 0 rgba(0, 45, 88, 0.93);
    border-radius: 12px;
}

.all_div {
    position: relative;
    margin: 0 48px 0 42px;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #FFFFFF;
    opacity: 0.8;
    border-radius: 12px;
    z-index: 0;
}

.title {
    margin: 61px 0 35px 12px;
    height: 29px;
    font-size: 31px;
    font-family: PingFang SC;
    font-weight: bold;
    color: #1E90FF;
    line-height: 49px;
}

.login-center {
    position: relative;
    height: 50px;
    background: #FFFFFF;
    border: 1px solid #1E90FF;
    border-radius: 25px;
}

.login-center + .login-center {
    margin-top: 29px;
}

.login-center-img {
    position: absolute;
    top: 12px;
    left: 24px;
    width: 23px;
    height: 25px;
}

.login-center-img img {
    max-width: 100%;
}

.login-center-input {
    margin-left: 50px;
}

.login-center-input input {
    height: 48px;
    border: none;
    border-radius: 25px;
}

.has-error .form-control,
.has-error .form-control:focus,
.has-error .input-group-addon {
    border: none;
}

.captcha-img {
    position: absolute;
    top: 9px;
    right: 25px;
}

.login-button {
    margin-top: 63px;
    margin-bottom: 28px;
    width: 100%;
    height: 50px;
    background: #1E90FF;
    border-radius: 25px;
    outline: none;
    border: none;
    box-shadow: none;
    font-size: 26px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
}

.footer {
    margin: 36px auto;
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #000000;
    line-height: 36px;
}