/* 登录页：与门户首页同构 · 顶部品牌 + 居中玻璃卡 */
:root {
    --ink: #071525;
    --ink-2: #0c2744;
    --steel: #1a4a73;
    --mist: #d7e6f5;
    --accent: #c9a227;
    --accent-soft: rgba(201, 162, 39, 0.22);
    --text: #eef4fa;
    --muted: rgba(238, 244, 250, 0.72);
    --line: rgba(255, 255, 255, 0.14);
    --font: "Microsoft Yahei", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

html {
    height: 100%;
    overflow: hidden !important;
    background: var(--ink) !important;
}

html body.login-portal-body,
html body.login-portal-body.hold-transition,
html body.login-portal-body.login-page {
    min-width: 375px !important;
    height: 100% !important;
    min-height: 100% !important;
    margin: 0 !important;
    overflow: hidden !important;
    font-family: var(--font) !important;
    font-size: 14px !important;
    line-height: 1.55 !important;
    color: var(--text) !important;
    background: var(--ink) !important;
    background-color: var(--ink) !important;
    background-image: none !important;
    position: relative !important;
    display: flex !important;
    flex-direction: column !important;
}

body.login-portal-body .copyright,
body.login-portal-body canvas,
body.login-portal-body .login-box,
body.login-portal-body .login-logo {
    display: none !important;
}

.portal-bg {
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    z-index: 0 !important;
    pointer-events: none !important;
    display: block !important;
}
.portal-bg__image {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background: url("../pcstatic/css/img/banner-bg.jpg") center / cover no-repeat;
    transform: scale(1.06);
    animation: portal-bg-drift 18s ease-in-out infinite alternate;
    filter: saturate(0.85) contrast(1.05);
}
.portal-bg__veil {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background:
        linear-gradient(160deg, rgba(7, 21, 37, 0.88) 0%, rgba(12, 39, 68, 0.78) 42%, rgba(7, 21, 37, 0.92) 100%),
        radial-gradient(ellipse 70% 55% at 70% 20%, rgba(26, 74, 115, 0.45), transparent 70%);
}
.portal-bg__grid {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    opacity: 0.18;
    background-image:
        linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 75%);
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 75%);
}
.portal-bg__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.35;
}
.portal-bg__glow--a {
    width: 280px;
    height: 280px;
    left: 8%;
    top: 18%;
    background: #1f6a9a;
    animation: portal-glow 10s ease-in-out infinite alternate;
}
.portal-bg__glow--b {
    width: 320px;
    height: 320px;
    right: 6%;
    bottom: 12%;
    background: #8a6d1f;
    opacity: 0.22;
    animation: portal-glow 12s ease-in-out infinite alternate-reverse;
}

.portal-login {
    position: relative !important;
    z-index: 2 !important;
    flex: 1 1 auto !important;
    min-height: 0 !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 40px 24px 16px !important;
    box-sizing: border-box !important;
    background: transparent !important;
}

.login-brand {
    width: 100%;
    max-width: 920px;
    text-align: center;
    margin: 0 0 28px;
    flex: 0 0 auto;
    animation: portal-rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.login-brand__eyebrow {
    margin: 0 0 14px;
    font-size: 13px;
    letter-spacing: 0.28em;
    text-indent: 0.28em;
    color: var(--accent);
    font-weight: 500;
}
.login-brand__name {
    margin: 0 auto 14px;
    font-size: clamp(22px, 3.2vw, 40px);
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.28;
    color: var(--text);
    text-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    white-space: nowrap;
}
.login-brand__desc {
    margin: 0;
    font-size: 15px;
    color: var(--muted);
    letter-spacing: 0.12em;
}

.login-panel {
    width: 100%;
    max-width: 420px;
    position: relative;
    border: 1px solid var(--line);
    background: linear-gradient(165deg, rgba(255,255,255,0.14), rgba(255,255,255,0.05));
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: 4px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28);
    padding: 28px 28px 30px;
    transition: border-color 0.35s ease, box-shadow 0.35s ease;
    animation: portal-rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: 0.1s;
}
.login-panel:hover {
    border-color: rgba(201, 162, 39, 0.4);
    box-shadow: 0 28px 56px rgba(0, 0, 0, 0.32);
}

.login-portal-badge {
    display: table;
    margin: 0 auto 22px;
    padding: 6px 18px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-indent: 0.22em;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid rgba(201, 162, 39, 0.35);
    border-radius: 999px;
    line-height: 1.4;
}

#login-form {
    margin-top: 0;
}

#login-form .input-group {
    margin-bottom: 14px !important;
    width: 100%;
    display: table;
    border-collapse: separate;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--line) !important;
    background: rgba(7, 21, 37, 0.42) !important;
    transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}

#login-form .input-group:focus-within {
    border-color: rgba(201, 162, 39, 0.55) !important;
    background: rgba(7, 21, 37, 0.58) !important;
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}

#login-form .input-group-addon {
    background: transparent !important;
    border: none !important;
    color: var(--accent) !important;
    min-width: 44px;
    padding: 0 12px !important;
    vertical-align: middle;
    border-radius: 0 !important;
}

#login-form .input-group-addon .glyphicon {
    top: 0;
    font-size: 14px;
}

#login-form .form-control {
    outline: none !important;
    height: 46px !important;
    line-height: 46px !important;
    font-size: 14px !important;
    color: var(--text) !important;
    padding-left: 4px !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
}

#login-form .form-control::placeholder {
    color: rgba(238, 244, 250, 0.42);
}

#login-form .form-control:focus {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    color: #fff !important;
}

#login-form .captcha-addon {
    padding: 0 !important;
    min-width: auto !important;
    background: rgba(255,255,255,0.94) !important;
}

#login-form .captcha-addon img {
    height: 46px;
    width: 140px;
    object-fit: fill;
    display: block;
}

#errtips {
    margin-bottom: 12px;
}

.login-keeplogin {
    margin: 4px 0 22px !important;
}

.login-keeplogin .keeplogin-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 8px 12px;
    font-weight: 400;
    font-size: 13px;
    color: var(--muted);
    cursor: pointer;
    user-select: none;
    border-radius: 4px;
    background: rgba(7, 21, 37, 0.28);
    border: 1px solid var(--line);
    transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.login-keeplogin .keeplogin-label:hover {
    color: var(--text);
    background: rgba(7, 21, 37, 0.42);
    border-color: rgba(201, 162, 39, 0.35);
}

.login-keeplogin input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    margin: 0;
}

.login-keeplogin .keeplogin-check {
    position: relative;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    border: 1.5px solid rgba(201, 162, 39, 0.55);
    border-radius: 3px;
    background: transparent;
    box-sizing: border-box;
    transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.login-keeplogin .keeplogin-check:after {
    content: "";
    position: absolute;
    left: 4px;
    top: 1px;
    width: 5px;
    height: 9px;
    border: solid var(--ink);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transition: transform .15s ease;
}

.login-keeplogin input[type="checkbox"]:checked + .keeplogin-check {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, .2);
}

.login-keeplogin input[type="checkbox"]:checked + .keeplogin-check:after {
    transform: rotate(45deg) scale(1);
}

.login-keeplogin input[type="checkbox"]:focus-visible + .keeplogin-check {
    box-shadow: 0 0 0 3px rgba(201, 162, 39, .35);
}

.login-keeplogin input[type="checkbox"]:checked ~ .keeplogin-text {
    color: var(--text);
}

.login-keeplogin .keeplogin-text {
    line-height: 1.2;
}

#login-form .form-group.login-submit {
    margin-bottom: 0;
}

#login-form .btn-success,
#login-form .btn-block {
    border: 1px solid rgba(201, 162, 39, 0.7) !important;
    border-radius: 4px !important;
    height: 46px !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    letter-spacing: 0.28em;
    text-indent: 0.28em;
    color: var(--ink) !important;
    background: linear-gradient(180deg, #e0c35a 0%, #c9a227 100%) !important;
    background-image: linear-gradient(180deg, #e0c35a 0%, #c9a227 100%) !important;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28) !important;
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease !important;
    padding: 0 !important;
}

#login-form .btn-success:hover,
#login-form .btn-success:focus,
#login-form .btn-block:hover,
#login-form .btn-block:focus {
    color: var(--ink) !important;
    background: linear-gradient(180deg, #edd278 0%, #d4ad2f 100%) !important;
    background-image: linear-gradient(180deg, #edd278 0%, #d4ad2f 100%) !important;
    border-color: #d4ad2f !important;
    filter: brightness(1.03);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.32) !important;
    outline: none;
}

#login-form .btn-success:active,
#login-form .btn-block:active {
    transform: translateY(1px);
}

.login-back {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 18px;
    flex: 0 0 auto;
    font-size: 13px;
    letter-spacing: 0.1em;
    color: rgba(238, 244, 250, 0.55);
    transition: color .25s ease;
    text-decoration: none !important;
    animation: portal-rise 1s ease both;
    animation-delay: 0.2s;
}
.login-back:hover,
.login-back:focus {
    color: var(--accent);
    text-decoration: none !important;
}

.portal-foot {
    position: relative;
    z-index: 2;
    flex: 0 0 auto;
    margin: 0;
    padding: 0 24px 24px;
    text-align: center;
    font-size: 12px;
    line-height: 1.7;
    color: rgba(238, 244, 250, 0.55);
    animation: portal-rise 1s ease both;
    animation-delay: 0.35s;
}
.portal-foot a {
    color: inherit;
    text-decoration: none;
}
.portal-foot a:hover {
    color: var(--mist);
}

@keyframes portal-rise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes portal-bg-drift {
    from { transform: scale(1.06) translate3d(0, 0, 0); }
    to { transform: scale(1.1) translate3d(-1.2%, -0.8%, 0); }
}
@keyframes portal-glow {
    from { transform: translate(0, 0); opacity: 0.28; }
    to { transform: translate(18px, -12px); opacity: 0.42; }
}

@media (max-width: 560px) {
    html {
        overflow: auto !important;
    }
    html body.login-portal-body,
    html body.login-portal-body.hold-transition,
    html body.login-portal-body.login-page {
        height: auto !important;
        min-height: 100% !important;
        overflow: auto !important;
    }
    .portal-login {
        padding: 36px 16px 16px !important;
    }
    .login-brand {
        margin-bottom: 22px;
    }
    .login-brand__eyebrow {
        letter-spacing: 0.16em;
        text-indent: 0.16em;
    }
    .login-brand__name {
        font-size: 18px;
        white-space: normal;
    }
    .login-panel {
        padding: 22px 18px 24px;
    }
    .portal-foot {
        padding-bottom: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .portal-bg__image,
    .portal-bg__glow,
    .login-brand,
    .login-panel,
    .login-back,
    .portal-foot {
        animation: none !important;
    }
}