.login-bg{
    background: url(../img/login-bg.jpg) no-repeat center center/100% auto;
    overflow: hidden;
    text-align: center;
}
.login-bg-custom{
    background: url(/common/images/login_bg.png) no-repeat center center/100% auto;
}

.login-bg .login-box{
    position: fixed;
    left: calc(50% - 250px);
}
#particles-js{
    width: 100%;
    height: 100%;
    position: relative;
    background-position: 50% 50%;
    background-size: cover;
    background-repeat: no-repeat;
    margin-left: auto;
    margin-right: auto;
}
#logo {
    animation: logo-entry 1s ease-in;
    width: 500px;
    margin: 0 auto;
    position: relative;
    z-index: 40;
    display: flex;
    justify-content: center;
    padding-top: 90px;
    padding-bottom: 20px;
}

h1.hogo {
    animation: text-glow 2s ease-out infinite alternate;
    font-family: 'Ubuntu', sans-serif;
    color: #66b0ff;
    font-size: 48px;
    font-weight: bold;
    position: relative;
    text-shadow: 0 0 10px #000, 0 0 20px #000, 0 0 30px #000, 0 0 40px #000, 0 0 50px #000, 0 0 60px #000, 0 0 70px #000;
    min-width: 400px;
    display: flex;
    justify-content: center;
}
h1.hogo:before {
    animation: before-glow 2s ease-out infinite alternate;
    border-left: 535px solid transparent;
    border-bottom: 10px solid #66b0ff;
    content: ' ';
    height: 0;
    position: absolute;
    right: -74px;
    top: -10px;
    width: 0;
}
h1.hogo:after {
    animation: after-glow 2s ease-out infinite alternate;
    border-left: 100px solid transparent;
    border-top: 16px solid #66b0ff;
    content: ' ';
    height: 0;
    position: absolute;
    right: -85px;
    top: 24px;
    transform: rotate(-47deg);
    width: 0;
}

/* =========================================
Log in form
========================================= */
#fade-box {
    animation: input-entry 1s ease-in;
    z-index: 4;
}

.stark-login.login-box-custom form {
    background: #D8F0FF;
    border-color: #D8F0FF;
}

.stark-login.login-box-custom form:hover {
    border: 4px solid #658ef6;
}

.stark-login.login-box-custom .btn {
    background: #4a7cff;
    border-color: #4a7cff;
    color: #FFF;
}

.stark-login.login-box-custom input {
    background: #D8F0FF;
    border-color: #D8F0FF;
    color: #999;
    box-shadow: 0 2px 0 #4a7cff;
    text-shadow: none;
}

.stark-login form {
    animation: form-entry 1s ease-in-out;
    background: linear-gradient(#112e72, #010b1e);
    border: 4px solid #3357a9;
    box-shadow: 0 0 15px #4a7cff;
    border-radius: 5px;
    display: inline-block;
    margin: 0 auto 0;
    position: relative;
    z-index: 4;
    width: 500px;
    transition: 1s all;
}
.stark-login form:hover {
    border: 4px solid #3357a9;
    box-shadow: 0 0 25px #4a7cff;
    transition: 1s all;
}
.stark-login input {
    /*background: #222;
    background: linear-gradient(#333333, #222222);*/
    border: 1px solid #444;
    border-radius: 5px;
    box-shadow: 0 2px 0 #000;
    color: #888;
    display: block;
    font-family: 'Cabin', helvetica, arial, sans-serif;
    font-size: 13px;
    text-shadow: 0 -1px 0 #000;
    width: 100%;
    height: 40px;
    padding: 6px 12px;
}
.stark-login input:focus {
    animation: box-glow 1s ease-out infinite alternate;
    /*background: #0B4252;
    background: linear-gradient(#333933, #222922);*/
    border-color: #2d4e9a;
    box-shadow: 0 0 5px rgba(34, 148, 255, 0.2), inset 0 0 5px rgba(0, 255, 253, 0.1), 0 2px 0 #000;
    color: #efe;
    outline: none;
}

.stark-login .btn {
    animation: input-entry 1s ease-in;
    background: #222;
    background: linear-gradient(#0f2967, #020d24);
    box-sizing: content-box;
    border: 1px solid #2d4e9a;
    border-radius: 5px;
    box-shadow: 0 2px 0 #000;
    color: #fff;
    display: block;
    font-family: 'Cabin', helvetica, arial, sans-serif;
    font-size: 13px;
    font-weight: 400;
    height: 40px;
    line-height: 40px;
    margin: 20px auto;
    padding: 0;
    position: relative;
    text-shadow: 0 -1px 0 #000;
    width: 400px;
    transition: 1s all;
}
.stark-login button:hover,
.stark-login button:focus {
    background: #393939;
    background: linear-gradient(#393939, #292929);
    color: #89a8ef;
    outline: none;
    transition: 1s all;
}
.stark-login button:active {
    background: #292929;
    background: linear-gradient(#393939, #292929);
    box-shadow: 0 1px 0 #000, inset 1px 0 1px #222;
    top: 1px;
}

/* =========================================
Spinner
========================================= */
#circle1 {
    animation: circle1 4s linear infinite, circle-entry 6s ease-in-out;
    background: #000;
    border-radius: 50%;
    border: 10px solid #3f5c9a;
    box-shadow: 0 0 0 2px black, 0 0 0 6px #a1bffc;
    height: 540px;
    width: 540px;
    position: absolute;
    top: 44px;
    left: calc(50% - 270px);
    overflow: hidden;
    opacity: 0.4;
    z-index: -3;
}

#inner-cirlce1 {
    background: #000;
    border-radius: 50%;
    border: 36px solid #7ba6ff;
    height: 500px;
    width: 500px;
    margin: 10px;
}
#inner-cirlce1:before {
    content: ' ';
    width: 260px;
    height: 520px;
    background: #000;
    position: absolute;
    top: 0;
    left: 0;
}
#inner-cirlce1:after {
    content: ' ';
    width: 520px;
    height: 260px;
    background: #000;
    position: absolute;
    top: 0;
    left: 0;
}

/* =========================================
Hexagon Mesh
========================================= */
.hexagons {
    animation: logo-entry 4s ease-in;
    color: #000;
    font-size: 52px;
    letter-spacing: -0.2em;
    line-height: 1;
    position: absolute;
    text-shadow: 0 0 6px #00fffc;
    top: 310px;
    width: 100%;
    transform: perspective(600px) rotateX(60deg) scale(1.4);
    z-index: -3;
}

/* =========================================
Animation Keyframes
========================================= */
@keyframes logo-entry {
    0% {
        opacity: 0;
    }
    80% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
@keyframes circle-entry {
    0% {
        opacity: 0;
    }
    20% {
        opacity: 0;
    }
    100% {
        opacity: 0.4;
    }
}
@keyframes input-entry {
    0% {
        opacity: 0;
    }
    90% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
@keyframes form-entry {
    0% {
        height: 0;
        width: 0;
        opacity: 0;
        padding: 0;
    }
    20% {
        height: 0;
        border: 1px solid #5180e8;
        width: 0;
        opacity: 0;
        padding: 0;
    }
    40% {
        width: 0;
        height: 220px;
        border: 6px solid #5180e8;
        opacity: 1;
        padding: 0;
    }
    100% {
        height: 220px;
        width: 500px;
    }
}
@keyframes box-glow {
    0% {
        border-color: #9fcbfa;
        box-shadow: 0 0 5px rgba(0, 255, 253, 0.2), inset 0 0 5px rgba(0, 255, 253, 0.1), 0 2px 0 #000;
    }
    100% {
        border-color: #9fcbfa;
        text-shadow: 0 0 20px rgba(74, 143, 255, 0.6), 0 0 10px rgba(34, 148, 255, 0.4), 0 2px 0 #000;
    }
}
@keyframes text-glow {
    0% {
        color: #69a0ec;
        text-shadow: 0 0 10px #000, 0 0 20px #000, 0 0 30px #000, 0 0 40px #000, 0 0 50px #000, 0 0 60px #000, 0 0 70px #000;
    }
    100% {
        color: #69a0ec;
        text-shadow: 0 0 20px rgba(74, 143, 255, 0.6), 0 0 10px rgba(34, 148, 255, 0.4), 0 2px 0 #000;
    }
}
@keyframes before-glow {
    0% {
        border-bottom: 10px solid #3357a9;
    }
    100% {
        border-bottom: 10px solid #3357a9;
    }
}
@keyframes after-glow {
    0% {
        border-top: 16px solid #3357a9;
    }
    100% {
        border-top: 16px solid #3357a9;
    }
}
@keyframes circle1 {
    0% {
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
.copy-rights-max-width {
    display: inline-block;
    max-width: 500px;
}

/* 大数据平台独立登录页 */
body.bigdata-login-page {
    --bigdata-primary: #31b7ff;
    --bigdata-primary-strong: #168cf3;
    --bigdata-text: #eef8ff;
    --bigdata-muted: #9bb8d0;
    width: 100%;
    height: 100%;
    min-width: 960px;
    margin: 0;
    overflow: hidden;
    color: var(--bigdata-text);
    background:
        radial-gradient(circle at 18% 30%, rgba(22, 140, 243, .26), transparent 34%),
        radial-gradient(circle at 82% 72%, rgba(0, 216, 255, .14), transparent 30%),
        linear-gradient(135deg, #06172f 0%, #092849 52%, #041326 100%);
    font-family: "Microsoft YaHei", Arial, sans-serif;
}

body.bigdata-login-page::before {
    position: fixed;
    inset: 0;
    content: "";
    pointer-events: none;
    opacity: .24;
    background-image:
        linear-gradient(rgba(75, 181, 255, .12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(75, 181, 255, .12) 1px, transparent 1px);
    background-size: 48px 48px;
}

.bigdata-login-toolbar {
    position: fixed;
    z-index: 5;
    top: 22px;
    right: 30px;
}

.bigdata-login-toolbar select {
    height: 32px;
    padding: 0 28px 0 10px;
    color: var(--bigdata-muted);
    border: 1px solid rgba(90, 191, 255, .28);
    border-radius: 4px;
    outline: 0;
    background: rgba(5, 26, 50, .8);
}

.bigdata-login-shell {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(1180px, calc(100% - 100px));
    height: 100%;
    margin: 0 auto;
    gap: 120px;
}

.bigdata-login-brand {
    width: 520px;
    padding-bottom: 40px;
}

.bigdata-brand-title {
    display: flex;
    align-items: center;
    gap: 18px;
}

.bigdata-brand-title img {
    width: 68px;
    height: 68px;
    flex: 0 0 68px;
    object-fit: contain;
    filter: drop-shadow(0 0 18px rgba(49, 183, 255, .35));
}

.bigdata-brand-eyebrow {
    margin: 0 0 12px;
    color: var(--bigdata-primary);
    font-size: 13px;
    letter-spacing: 6px;
}

.bigdata-login-brand h1 {
    margin: 0;
    color: #fff;
    font-size: 42px;
    font-weight: 600;
    letter-spacing: 3px;
    text-shadow: 0 0 30px rgba(49, 183, 255, .25);
}

.bigdata-brand-description {
    margin-top: 20px;
    color: var(--bigdata-muted);
    font-size: 17px;
    letter-spacing: 4px;
}

.bigdata-login-card {
    width: 420px;
    padding: 42px 42px 38px;
    border: 1px solid rgba(90, 191, 255, .28);
    border-radius: 12px;
    background: rgba(7, 27, 54, .84);
    box-shadow: 0 24px 80px rgba(0, 8, 24, .48);
}

.bigdata-login-card-header {
    margin-bottom: 28px;
}

.bigdata-login-card-header h2 {
    margin: 0 0 8px;
    color: #fff;
    font-size: 26px;
    font-weight: 500;
}

.bigdata-login-card-header p {
    margin: 0;
    color: var(--bigdata-muted);
    font-size: 13px;
}

.bigdata-login-card .alert {
    margin-bottom: 20px;
    text-align: left;
}

.bigdata-form-item {
    position: relative;
    margin-bottom: 20px;
}

.bigdata-form-item > .iconfont:first-child {
    position: absolute;
    z-index: 2;
    top: 13px;
    left: 15px;
    color: #71bddd;
    font-size: 17px;
}

.bigdata-form-item .form-control {
    height: 46px;
    padding: 10px 44px;
    color: #eaf7ff;
    border: 1px solid rgba(111, 188, 229, .25);
    border-radius: 6px;
    outline: 0;
    background: rgba(4, 19, 39, .78);
    box-shadow: none;
}

.bigdata-form-item .form-control::placeholder {
    color: #69859e;
}

.bigdata-form-item .form-control:focus {
    border-color: var(--bigdata-primary);
    box-shadow: 0 0 0 2px rgba(49, 183, 255, .12);
}

.bigdata-form-item .clear-input,
.bigdata-form-item .toggle-icon {
    position: absolute;
    z-index: 2;
    top: 12px;
    right: 12px;
    padding: 0;
    color: #6d8ba4;
    border: 0;
    outline: 0;
    background: transparent;
    font-size: 18px;
}

.bigdata-captcha-row {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 12px;
}

.bigdata-captcha-input {
    flex: 1;
    margin: 0;
}

.bigdata-captcha-image {
    width: 112px;
    height: 46px;
    padding: 0;
    overflow: hidden;
    border: 1px solid rgba(90, 191, 255, .28);
    border-radius: 6px;
    background: #fff;
}

.bigdata-captcha-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bigdata-login-submit {
    width: 100%;
    height: 46px;
    margin-top: 4px;
    color: #fff;
    border: 0;
    border-radius: 6px;
    outline: 0;
    background: linear-gradient(90deg, var(--bigdata-primary-strong), var(--bigdata-primary));
    box-shadow: 0 10px 28px rgba(22, 140, 243, .28);
    font-size: 16px;
    letter-spacing: 8px;
}

.bigdata-login-submit:hover,
.bigdata-login-submit:focus {
    color: #fff;
    background: linear-gradient(90deg, #168cf3, #52cbff);
}

.bigdata-login-footer {
    position: fixed;
    z-index: 2;
    right: 0;
    bottom: 24px;
    left: 0;
    color: #66829a;
    text-align: center;
    font-size: 12px;
}

@media (max-width: 1100px) {
    .bigdata-login-shell { gap: 54px; }
    .bigdata-login-brand { width: 420px; }
    .bigdata-login-brand h1 { font-size: 34px; }
}