html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background: rgba(22, 175, 252, 1);
    line-height: 1;
    overflow: hidden;
}

* {
    box-sizing: border-box;
}

body {
    display: flex;
    flex-direction: column;
}

input {
    outline: none;
}

.admin_login {
    position: relative;
    width: 100%;
    margin-top: 0.55rem;
    padding: 0.8rem 0.36rem 0.5rem;
    flex: 1;
    background: #FCFCFC;
    border-radius: 0.76rem 0.76rem 0 0;
    padding-top: 0.8rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

    .admin_login .bs-example {
        width: 100%;
        margin-top: 0.55rem;
    }

        .admin_login .bs-example .ipt {
            background: #FFFFFF;
            border-radius: 0.17rem;
            border: 1px solid #B8B6B6;
            overflow: hidden;
            margin-top: 0.13rem;
            position: relative;
            padding-left: 0.32rem;
        }

.ipt#userName {
    margin-bottom: 0.65rem;
}

.height-auto {
    flex: 1;
}

#dt_login {
    width: 113px;
    height: 80px;
    margin: 0 auto;
}

    #dt_login strong {
        display: block;
    }

    #dt_login em {
        display: block;
        font-size: 13px;
        margin-top: 8px;
    }

.admin_login .label {
    font-weight: 400;
    font-size: 15px;
    color: #16AFFC;
    line-height: 18px;
    padding-left: 0.32rem;
}

.admin_login div .login_txtbx {
    font-size: 15px;
    height: 40px;
    line-height: 26px;
    width: 100%;
    border: none;
    background: #fff;
    color: #000000;
}

    .admin_login div .login_txtbx:focus {
        background: #fff;
        color: #000;
    }

#submit_login {
    width: 100%;
    padding: 0.36rem 0;
    background: #16AFFC;
    border-radius: 0.17rem;
    font-weight: 400;
    font-size: 0.38rem;
    color: #FFFFFF;
    text-align: center;
    border: none;
    margin-bottom: 0.5rem;
}

.desc {
    font-size: 0.36rem;
    color: #7D8592;
    margin-bottom:.3rem;
}

.top {
    margin-bottom: 0.2rem;
}

.desc img {
    width: 0.5rem;
    margin: 0 5px 0 0;
}

.desc span {
    float: right;
    height: 0.4rem;
    line-height: 0.4rem;
}

.invalid {
    font-size: 15px;
    height: 40px;
    line-height: 26px;
    padding: 8px 5%;
    width: 100%;
    text-indent: 32px;
    border: none;
    background: #0C9ECD;
    color: #fff;
}

header {
    width: 100%;
    color: #fff;
    padding: 0 0.78rem;
    text-align: center;
}

    header .tips {
        margin-top: 0.2rem;
        font-weight: 400;
        font-size: 0.26rem;
        color: #FB6F6F;
        display: flex;
        align-items: center;
        justify-content: center;
    }

        header .tips .icon {
            width: 0.3rem;
            height: 0.3rem;
            border-radius: 0.3rem;
            background-color: #FB6F6F;
            color: #fff;
            transform: rotate(180deg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 0.15rem;
        }

    header .title {
        margin-top: 1.58rem;
        font-size: 19px;
    }

    header .title-lg {
        margin-top: 0.21rem;
        font-size: 23px;
    }

#TimeValid {
    font-weight: 400;
    font-size: 13px;
    color: #FB6F6F;
}

#error {
    font-weight: 400;
    font-size: 0.27rem;
    color: #14B0FC;
    line-height: 0.36rem;
}

.fa-user,
.fa-lock {
    position: absolute;
    font-size: 24px;
    color: #36C6F8;
    top: 9px;
    left: 10px;
}

/* 定义keyframe动画，命名为blink */
@keyframes blink {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

/* 定义blink类*/
.blink {
    color: red;
    animation: blink 2s linear infinite;
}