html {
    height: 100%
}

body.signin {
    height: auto;
    /* 现代化渐变背景 */
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%), linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    /* 添加动态粒子效果背景 */
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 0%, rgba(255, 182, 193, 0.2) 0%, transparent 70%),
        radial-gradient(ellipse at 0% 100%, rgba(173, 216, 230, 0.2) 0%, transparent 70%);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    animation: backgroundShift 20s ease-in-out infinite
}

/* 添加动态背景动画 */
body.signin::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.08) 50%, transparent 70%);
    animation: shimmer 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 1
}

body.signin::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 30%), radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 30%);
    animation: floatingOrbs 15s ease-in-out infinite;
    pointer-events: none;
    z-index: 1
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

@keyframes backgroundShift {
    0%, 100% { filter: hue-rotate(0deg) brightness(1); }
    25% { filter: hue-rotate(10deg) brightness(1.05); }
    50% { filter: hue-rotate(-5deg) brightness(0.95); }
    75% { filter: hue-rotate(15deg) brightness(1.02); }
}

@keyframes floatingOrbs {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(10px, -15px) scale(1.1); }
    50% { transform: translate(-5px, 10px) scale(0.9); }
    75% { transform: translate(15px, 5px) scale(1.05); }
}

.login-container{width:400px;margin:8% auto 0;background:rgba(255,255,255,0.1);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.2);border-radius:20px;box-shadow:0 8px 32px rgba(0,0,0,0.3);padding:30px;position:relative;overflow:hidden}.signinpanel{width:100%;margin:0;color:rgba(255,255,255,.95);position:relative;z-index:2;background:transparent;border:none;border-radius:0;box-shadow:none;padding:0;overflow:visible}.login-footer{position:fixed;bottom:0;left:0;right:0;background:rgba(0,0,0,0.3);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,0.1);padding:15px 0;z-index:1}.footer-content{text-align:center;color:rgba(255,255,255,0.7);font-size:12px;margin:0}

.login-header{text-align:center;margin-bottom:40px;padding:20px 0}.login-title{font-size:3.5rem;font-weight:300;color:#000000;margin:0;text-shadow:0 2px 10px rgba(255,255,255,0.3);letter-spacing:2px;animation:titleGlow 3s ease-in-out infinite alternate}.login-subtitle{font-size:1.1rem;font-weight:400;color:#000000;margin:10px 0 0 0;text-shadow:0 1px 5px rgba(255,255,255,0.2);letter-spacing:1px}@keyframes titleGlow{0%{text-shadow:0 2px 10px rgba(255,255,255,0.3),0 0 20px rgba(0,0,0,0.1)}100%{text-shadow:0 2px 10px rgba(255,255,255,0.3),0 0 30px rgba(0,0,0,0.2)}}

.signinpanel .logopanel {
    float: none;
    width: auto;
    padding: 0;
    background: 0
}

.signinpanel .signin-info ul {
    list-style: none;
    padding: 0;
    margin: 20px 0
}

.signinpanel .form-control {
    display: block;
    margin-top: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1)
}

.signinpanel .form-control:focus {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    outline: none
}

.signinpanel .uname {
    background: #fff url(../img/user-icon.svg) no-repeat 95% center;
    background-size: 18px 18px;
    color: #333;
    padding-right: 30px
}

.signinpanel .pword {
    background: #fff url(../img/lock-icon.svg) no-repeat 95% center;
    background-size: 18px 18px;
    color: #333;
    padding-right: 30px
}

.signinpanel .code {
    background: #fff no-repeat 95% center;
    color: #333;
    margin: 0 0 15px 0
}

.signinpanel .gcode {
    background: #fff url(../img/google-auth.svg) no-repeat 95% 50%;
    background-size: 18px 18px;
    color: #333;
    padding-right: 30px
}

.signinpanel .btn {
    margin-top: 15px;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    padding: 12px 24px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px
}

.signinpanel .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%)
}

.signinpanel .btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3)
}

.signinpanel form {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 1px 0 rgba(255, 255, 255, 0.2) inset,
        0 -1px 0 rgba(0, 0, 0, 0.1) inset;
    transition: all 0.3s ease;
    padding: 30px
}

.signup-footer {
    border-top: solid 1px rgba(255, 255, 255, .3);
    margin: 20px 0;
    padding-top: 15px
}

@media screen and (max-width: 768px) {
    .signinpanel, .signuppanel {
        margin: 0 auto;
        width: 380px !important;
        padding: 20px
    }

    .signinpanel form {
        margin-top: 20px
    }

    .signup-footer, .signuppanel .form-control {
        margin-bottom: 10px
    }

    .signup-footer .pull-left, .signup-footer .pull-right {
        float: none !important;
        text-align: center
    }

    .signinpanel .signin-info ul {
        display: none
    }
}

@media screen and (max-width: 320px) {
    .signinpanel, .signuppanel {
        margin: 0 20px;
        width: auto
    }
}

.checkbox-custom {
    position: relative;
    padding: 0 15px 0 25px;
    margin-bottom: 7px;
    display: inline-block
}

.checkbox-custom input[type="checkbox"] {
    opacity: 0;
    position: absolute;
    cursor: pointer;
    z-index: 2;
    margin: -6px 0 0 0;
    top: 50%;
    left: 3px
}

.checkbox-custom label:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    margin-top: -9px;
    width: 18px;
    height: 17px;
    display: inline-block;
    border-radius: 2px;
    border: 1px solid #bbb;
    background: #fff
}

.checkbox-custom input[type="checkbox"]:checked + label:after {
    position: absolute;
    display: inline-block;
    font-family: 'Glyphicons Halflings';
    content: "\e013";
    top: 42%;
    left: 3px;
    margin-top: -5px;
    font-size: 11px;
    line-height: 1;
    width: 16px;
    height: 16px;
    color: #333
}

.checkbox-custom label {
    cursor: pointer;
    line-height: 1.2;
    font-weight: normal;
    margin-bottom: 0;
    text-align: left;
    color: #000000
}

.form-control, .form-control:focus, .has-error .form-control:focus, .has-success .form-control:focus, .has-warning .form-control:focus, .navbar-collapse, .navbar-form, .navbar-form-custom .form-control:focus, .navbar-form-custom .form-control:hover, .open .btn.dropdown-toggle, .panel, .popover, .progress, .progress-bar {
    box-shadow: none
}

.form-control {
    border-radius: 1px !important;
    padding: 6px 12px !important;
    height: 34px !important
}

.form-control:focus {
    border-color: #1ab394 !important
}

body .layer-ext-moon-msg[type="dialog"] {
    min-width: 100px !important
}

body .layer-ext-moon-msg {
    background-color: rgba(0, 0, 0, 0.6);
    color: #fff;
    border: 0
}

body .layer-ext-moon-msg .layui-layer-content {
    padding: 12px 25px;
    text-align: center
}

/* 版权信息居中底部样式 */
.signup-footer {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: 100%;
    z-index: 1000;
}

.signup-footer .pull-left {
    float: none !important;
    text-align: center;
}

/* 登录表单居中样式 */
.signinpanel .row {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
}

.signinpanel .col-sm-5 {
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .signinpanel {
        width: 90%;
        margin: 5% auto 0;
        min-height: 70vh;
        padding: 20px;
    }
    
    .signinpanel .col-sm-5 {
        max-width: 100%;
        padding: 0 15px;
    }
    
    .signup-footer {
        bottom: 10px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .signinpanel {
        width: 95%;
        margin: 2% auto 0;
        padding: 15px;
    }
    
    .form-control {
        margin-bottom: 15px;
    }
    
    .signup-footer {
        bottom: 5px;
        font-size: 11px;
    }
}