html {
    height: 100%;
}

body.signin {
    --p: #6D4BB8;
    --pd: #563A96;
    --ps: #F4EEFB;
    --pl: #D4C4EC;
    --text: #2D2640;
    --muted: #7A7190;
    --border: #E6DFF3;
    --nav: #605ca8;
    --accent: #722ed1;
    --ink: #1C1233;
    --card: #FFFFFF;
    --font-display: "Songti SC", "STSong", "Noto Serif SC", "SimSun", serif;
    --font-ui: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    min-height: 100%;
    margin: 0;
    color: var(--text);
    font-family: var(--font-ui) !important;
    background: var(--ink) !important;
    overflow-x: hidden;
}

.login-stage {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px 32px;
}

.login-atmosphere {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    background:
        linear-gradient(145deg, #3A2168 0%, #2A1650 38%, #231247 68%, #1C1233 100%);
}

.login-aurora {
    display: none;
}

.login-beam {
    position: absolute;
    width: 2px;
    height: 130%;
    top: -20%;
    background: linear-gradient(180deg, rgba(244, 238, 251, 0.35), transparent 78%);
    transform: rotate(22deg);
    opacity: 0.7;
}

.login-beam-a {
    left: 18%;
}

.login-beam-b {
    left: 72%;
    width: 10%;
    transform: rotate(-16deg);
    opacity: 0.28;
}

.login-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(212, 196, 236, 0.38);
    background: transparent;
    box-shadow: none;
}

.login-ring-a {
    width: 560px;
    height: 560px;
    left: -140px;
    top: -180px;
}

.login-ring-b {
    width: 420px;
    height: 420px;
    right: -80px;
    bottom: -90px;
    border-color: rgba(126, 91, 196, 0.2);
}

.login-ring-c {
    width: 240px;
    height: 240px;
    left: 58%;
    top: 12%;
    border-color: rgba(244, 238, 251, 0.1);
}

.login-orb {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(212, 196, 236, 0.22);
    background: rgba(109, 75, 184, 0.18);
}

.login-orb-a {
    width: 280px;
    height: 280px;
    top: -90px;
    left: -70px;
}

.login-orb-b {
    width: 180px;
    height: 180px;
    right: 5%;
    bottom: 8%;
    background: rgba(86, 58, 150, 0.2);
}

.login-orb-c {
    width: 96px;
    height: 96px;
    left: 38%;
    top: 14%;
    background: rgba(126, 91, 196, 0.16);
}

.login-orb-d {
    width: 56px;
    height: 56px;
    left: 12%;
    bottom: 16%;
    background: rgba(244, 238, 251, 0.08);
}

.login-spark {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 12% 22%, rgba(255, 255, 255, 0.55), transparent 70%),
        radial-gradient(1.5px 1.5px at 28% 68%, rgba(212, 196, 236, 0.7), transparent 70%),
        radial-gradient(2px 2px at 63% 18%, rgba(255, 255, 255, 0.4), transparent 70%),
        radial-gradient(1.5px 1.5px at 81% 42%, rgba(212, 196, 236, 0.55), transparent 70%),
        radial-gradient(2px 2px at 74% 78%, rgba(255, 255, 255, 0.35), transparent 70%),
        radial-gradient(1.5px 1.5px at 46% 86%, rgba(126, 91, 196, 0.8), transparent 70%);
    animation: login-spark 8s ease-in-out infinite;
}

.login-lattice {
    position: absolute;
    inset: 0;
    opacity: 0.28;
    background-image:
        linear-gradient(30deg, rgba(228, 223, 243, 0.55) 1px, transparent 1px),
        linear-gradient(150deg, rgba(228, 223, 243, 0.35) 1px, transparent 1px);
    background-size: 40px 68px;
}

.login-watermark-grid {
    position: absolute;
    inset: -40%;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 36px 64px;
    padding: 28px;
    transform: rotate(-22deg);
    color: rgba(244, 238, 251, 0.32);
    font-family: var(--font-display);
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 0.36em;
    line-height: 1;
    user-select: none;
}

.login-watermark-grid span {
    white-space: nowrap;
}

.login-watermark-hero {
    position: absolute;
    right: -2%;
    bottom: -4%;
    color: rgba(244, 238, 251, 0.16);
    font-family: var(--font-display);
    font-size: 200px;
    font-weight: 700;
    letter-spacing: 0.16em;
    line-height: 1;
    white-space: nowrap;
    transform: rotate(-14deg);
    user-select: none;
}

.login-watermark-pins .wm {
    position: absolute;
    color: rgba(244, 238, 251, 0.42);
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.28em;
    white-space: nowrap;
    transform: rotate(-22deg);
    user-select: none;
}

.login-watermark-pins .wm-tl {
    top: 7%;
    left: 4%;
}

.login-watermark-pins .wm-tr {
    top: 9%;
    right: 5%;
}

.login-watermark-pins .wm-ml {
    top: 46%;
    left: 3%;
}

.login-watermark-pins .wm-mr {
    top: 48%;
    right: 3%;
}

.login-watermark-pins .wm-bl {
    bottom: 10%;
    left: 6%;
}

.login-watermark-pins .wm-br {
    bottom: 12%;
    right: 6%;
}

.login-wave {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 120px;
    background: linear-gradient(180deg, transparent, rgba(28, 18, 51, 0.55));
}

.login-grain {
    display: none;
}

.login-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 980px;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 0;
    background: #FFFFFF;
    border: 1px solid #D4C4EC;
    border-radius: 24px;
    box-shadow: 0 18px 48px rgba(28, 18, 51, 0.28);
    overflow: hidden;
    animation: login-rise 0.7s ease both;
}

.login-brand {
    position: relative;
    padding: 56px 48px 48px;
    color: #F6F2FB;
    background: #563A96;
}

.login-brand::after {
    content: "";
    position: absolute;
    right: 0;
    top: 10%;
    bottom: 10%;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(212, 196, 236, 0.45), transparent);
}

.login-mark {
    width: 52px;
    height: 52px;
    margin-bottom: 28px;
    position: relative;
}

.login-mark span,
.login-mark::before,
.login-mark::after {
    position: absolute;
    inset: 0;
    border: 1.5px solid rgba(244, 238, 251, 0.85);
}

.login-mark::before {
    content: "";
    transform: rotate(45deg) scale(0.72);
}

.login-mark::after {
    content: "";
    inset: 10px;
    border-color: rgba(212, 196, 236, 0.7);
}

.login-mark span {
    inset: 16px;
    background: linear-gradient(180deg, #7E5BC4, #6D4BB8);
    transform: rotate(45deg);
    border: 0;
    box-shadow: 0 8px 18px rgba(86, 58, 150, 0.45);
}

.login-kicker {
    margin: 0 0 10px;
    font-size: 13px;
    letter-spacing: 0.28em;
    color: #D4C4EC;
}

.login-brand h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 700 !important;
    line-height: 1.25;
    letter-spacing: 0.06em;
    color: #FFFFFF;
    text-shadow: 0 2px 16px rgba(28, 18, 51, 0.35);
}

.login-lead {
    margin: 18px 0 0;
    max-width: 360px;
    font-size: 14px;
    line-height: 1.8;
    color: rgba(251, 248, 255, 0.9);
}

.login-points {
    list-style: none;
    margin: 36px 0 0;
    padding: 0;
}

.login-points li {
    position: relative;
    padding: 8px 0 8px 22px;
    font-size: 13px;
    color: rgba(251, 248, 255, 0.86);
}

.login-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 15px;
    width: 8px;
    height: 8px;
    border: 1px solid #D4C4EC;
    transform: rotate(45deg);
}

.login-panel {
    margin-top: 0 !important;
    padding: 36px 44px 40px;
    background: #FFFFFF !important;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-panel-hero {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.login-panel-seal {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(180deg, #7E5BC4, #6D4BB8);
    color: #fff;
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    line-height: 48px;
    text-align: center;
    letter-spacing: 0;
    box-shadow: 0 8px 16px rgba(86, 58, 150, 0.22);
}

.login-panel-brand {
    margin: 0;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--pd);
}

.login-panel-greet {
    margin: 4px 0 0;
    font-size: 12px;
    color: var(--muted);
}

.login-panel-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
}

.login-panel-tags span {
    padding: 5px 10px;
    border-radius: 999px;
    background: var(--ps);
    color: var(--p);
    font-size: 12px;
    font-weight: 600;
}

.login-panel h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 700 !important;
    color: var(--pd);
}

.login-panel-sub {
    margin: 8px 0 28px;
    font-size: 13px;
    color: var(--muted);
}

.login-field {
    position: relative;
    margin-bottom: 16px;
}

.login-field > i {
    position: absolute;
    left: 14px;
    top: 15px;
    width: 16px;
    color: var(--p);
    font-size: 14px;
    z-index: 2;
}

body.signin .login-field .form-control,
body.signin .login-field .form-control:focus,
body.signin .has-error .login-field .form-control:focus {
    display: block;
    width: 100%;
    height: 46px !important;
    margin-top: 0;
    padding: 0 14px 0 40px !important;
    border: 1px solid #C9B6E6 !important;
    border-radius: 12px !important;
    background: #fff !important;
    color: var(--text);
    box-shadow: none !important;
    font-size: 14px;
}

body.signin .login-field .form-control:focus {
    border-color: var(--p) !important;
    box-shadow: 0 0 0 3px rgba(109, 75, 184, 0.16) !important;
}

body.signin .login-field .form-control::placeholder {
    color: #A89BB8;
}

.login-captcha {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 8px;
}

.login-captcha .login-field {
    flex: 1;
    margin-bottom: 0;
}

.login-captcha a {
    display: block;
    flex: 0 0 118px;
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
}

.login-captcha .imgcode {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

body.signin .login-submit,
body.signin .login-submit:hover,
body.signin .login-submit:focus,
body.signin .login-submit:active {
    display: block;
    width: 100%;
    height: 46px;
    margin-top: 18px;
    border: 0;
    border-radius: 12px;
    background: linear-gradient(180deg, #7E5BC4, #6D4BB8) !important;
    color: #fff !important;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.18em;
    box-shadow: 0 10px 22px rgba(86, 58, 150, 0.28);
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

body.signin .login-submit:hover,
body.signin .login-submit:focus {
    filter: brightness(1.05);
    box-shadow: 0 14px 26px rgba(86, 58, 150, 0.36);
    transform: translateY(-1px);
}

body.signin label.error {
    position: inherit;
    display: block;
    margin: 6px 0 0 4px;
    color: #C0392B;
    font-size: 12px;
    font-weight: 400;
}

.login-footer {
    position: relative;
    z-index: 1;
    margin-top: 28px;
    color: rgba(212, 196, 236, 0.82);
    font-size: 12px;
    letter-spacing: 0.04em;
}

.login-footer span {
    cursor: pointer;
    border-bottom: 1px solid transparent;
}

.login-footer span:hover {
    color: #F4EEFB;
    border-bottom-color: rgba(244, 238, 251, 0.45);
}

@keyframes login-rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes login-float {
    0%, 100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(12px, 18px, 0);
    }
}

@keyframes login-aurora {
    0%, 100% {
        transform: translate3d(0, 0, 0) rotate(0deg);
        opacity: 0.85;
    }
    50% {
        transform: translate3d(40px, 24px, 0) rotate(8deg);
        opacity: 1;
    }
}

@keyframes login-spark {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

@media screen and (max-width: 860px) {
    .login-shell {
        grid-template-columns: 1fr;
        max-width: 440px;
    }

    .login-brand {
        padding: 36px 28px 24px;
    }

    .login-brand::after,
    .login-points {
        display: none;
    }

    .login-brand h1 {
        font-size: 30px;
    }

    .login-watermark-grid {
        font-size: 28px;
        gap: 44px 64px;
        opacity: 0.9;
    }

    .login-watermark-hero {
        font-size: 120px;
        right: -18%;
        bottom: 8%;
    }

    .login-watermark-pins .wm-ml,
    .login-watermark-pins .wm-mr {
        display: none;
    }

    .login-ring-a,
    .login-ring-c,
    .login-beam-b {
        display: none;
    }

    .login-panel {
        margin-top: 0 !important;
        padding: 8px 28px 32px;
        background: #FFFFFF !important;
        border-radius: 0 0 22px 22px;
        justify-content: flex-start;
    }

    .login-panel-hero {
        margin-bottom: 10px;
    }

    .login-panel-tags {
        margin-bottom: 16px;
    }

    .login-panel h2 {
        color: var(--pd);
    }

    .login-panel-sub {
        color: var(--muted);
    }

    body.signin .login-field .form-control,
    body.signin .login-field .form-control:focus {
        background: #FFFFFF !important;
    }

    .login-captcha a {
        background: #FFFFFF;
    }
}

@media screen and (max-width: 400px) {
    .login-stage {
        padding: 24px 14px 20px;
    }

    .login-brand,
    .login-panel {
        padding-left: 20px;
        padding-right: 20px;
    }
}