/* 会员登录/注册：对齐官网 #jt-site 深色板式 */
body:has(#jt-user-auth) {
    background: #071226 !important;
    padding-top: 0 !important; /* 取消 frontend 为固定顶栏预留的 60px */
    margin: 0 !important;
}
body:has(#jt-user-auth) > .navbar,
body:has(#jt-user-auth) > .footer {
    display: none !important;
}
body:has(#jt-user-auth) > main.content {
    padding: 0 !important;
    margin: 0 !important;
    min-height: 100vh;
    overflow-x: hidden;
    background: transparent;
}

#jt-user-auth {
    --a-bg: #071226;
    --a-bg2: #0B1F3E;
    --a-ink: #E9F3FF;
    --a-sub: #7FA3C9;
    --a-cyan: #35E0FF;
    --a-card: rgba(17, 40, 72, .55);
    font-family: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
    color: var(--a-ink);
    background:
        radial-gradient(1100px 500px at 78% -10%, rgba(46, 124, 246, .22), transparent 60%),
        radial-gradient(900px 480px at 8% 108%, rgba(53, 224, 255, .10), transparent 55%),
        linear-gradient(180deg, var(--a-bg2) 0%, var(--a-bg) 58%, #060E1D 100%);
    min-height: 100vh;
    box-sizing: border-box;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
#jt-user-auth *,
#jt-user-auth *::before,
#jt-user-auth *::after { box-sizing: border-box; }
#jt-user-auth a { color: inherit; text-decoration: none; }

body.jt-user-auth-page {
    padding-top: 0 !important;
    background: #071226;
}
#jt-user-auth .jt-auth-nav {
    position: sticky; top: 0; z-index: 20;
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
    width: 100%; margin: 0; padding: 0 max(24px, calc((100% - 1180px) / 2 + 24px)); height: 64px;
    background: linear-gradient(180deg, #0B1F3E 0%, #071226 100%);
    border-bottom: 1px solid rgba(53, 224, 255, .12);
}
#jt-user-auth .jt-auth-nav--solo {
    justify-content: flex-start;
}
#jt-user-auth .jt-auth-brand {
    display: flex; align-items: center; gap: 10px; flex: none; color: #E9F3FF;
}
#jt-user-auth .jt-auth-mark {
    width: 28px; height: 28px; border-radius: 8px; flex: none;
    background: linear-gradient(135deg, #2E7CF6, #35C9FF);
    box-shadow: 0 6px 16px rgba(46, 124, 246, .35);
}
#jt-user-auth .jt-auth-name {
    display: block; font-size: 16px; font-weight: 700; letter-spacing: .04em; line-height: 1.2;
}
#jt-user-auth .jt-auth-sub {
    display: block; font-size: 11px; color: #7FA3C9; letter-spacing: .12em; margin-top: 1px;
}
#jt-user-auth .jt-auth-menu {
    display: flex; align-items: center; justify-content: center; flex: 1;
    gap: 4px 28px; flex-wrap: wrap; min-width: 0;
}
#jt-user-auth .jt-auth-menu a {
    position: relative; display: inline-flex; align-items: center; height: 64px;
    color: rgba(191, 230, 255, .78); font-size: 14px; font-weight: 500; letter-spacing: .06em;
    white-space: nowrap; transition: color .2s ease;
}
#jt-user-auth .jt-auth-menu a::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 18px; height: 2px;
    border-radius: 2px; background: transparent; transform: scaleX(.4); opacity: 0;
    transition: all .2s ease;
}
#jt-user-auth .jt-auth-menu a:hover { color: #E9F3FF; }
#jt-user-auth .jt-auth-menu a:hover::after {
    opacity: 1; transform: scaleX(1); background: rgba(53, 224, 255, .45);
}
#jt-user-auth .jt-auth-menu a.is-on { color: #35E0FF; font-weight: 600; }
#jt-user-auth .jt-auth-menu a.is-on::after {
    opacity: 1; transform: scaleX(1); background: #35E0FF;
}
#jt-user-auth .jt-auth-aside {
    flex: none; color: #BFE6FF; font-size: 13px; font-weight: 500; letter-spacing: .04em;
    opacity: .9; transition: color .2s ease, opacity .2s ease;
}
#jt-user-auth .jt-auth-aside:hover { color: #35E0FF; opacity: 1; }

#jt-user-auth .jt-auth-body {
    max-width: 560px; margin: 0 auto; padding: 40px 28px 64px;
}
#jt-user-auth .jt-auth-body--register {
    max-width: 720px;
}
#jt-user-auth .jt-auth-eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 13px; letter-spacing: .32em; color: var(--a-cyan); font-weight: 600;
}
#jt-user-auth .jt-auth-eyebrow::before {
    content: ""; width: 24px; height: 2px;
    background: linear-gradient(90deg, var(--a-cyan), transparent);
}
#jt-user-auth .jt-auth-title {
    margin: 12px 0 8px; font-size: clamp(24px, 3.2vw, 34px);
    font-weight: 800; letter-spacing: .02em; line-height: 1.25; color: var(--a-ink);
}
#jt-user-auth .jt-auth-desc {
    margin: 0 0 20px; color: var(--a-sub); font-size: 15px;
}

#jt-user-auth .jt-auth-tabs {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0;
    margin-bottom: 0; border-radius: 14px 14px 0 0; overflow: hidden;
    border: 1px solid rgba(53, 224, 255, .16);
    border-bottom: none;
}
#jt-user-auth .jt-auth-tabs a {
    display: block; padding: 14px 16px; text-align: center;
    font-size: 15px; font-weight: 600; letter-spacing: .06em;
    color: rgba(191, 230, 255, .65);
    background: rgba(9, 22, 44, .72);
    transition: color .2s ease, background .2s ease;
}
#jt-user-auth .jt-auth-tabs a:hover { color: #E9F3FF; background: rgba(13, 32, 62, .85); }
#jt-user-auth .jt-auth-tabs a.active {
    color: #35E0FF;
    background: rgba(17, 40, 72, .78);
    box-shadow: inset 0 -2px 0 #35E0FF;
}

#jt-user-auth .jt-auth-card {
    position: relative;
    padding: 28px 28px 22px;
    border-radius: 0 0 16px 16px;
    background: var(--a-card);
    border: 1px solid rgba(53, 224, 255, .16);
    box-shadow: inset 0 0 40px rgba(46, 124, 246, .06), 0 18px 40px rgba(4, 12, 30, .35);
    overflow: hidden;
}
#jt-user-auth .jt-auth-card::after {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: linear-gradient(180deg, var(--a-cyan), rgba(53, 224, 255, .12));
}

#jt-user-auth .login-section {
    width: 100%; margin: 0; background: transparent;
}
#jt-user-auth .login-section .logon-tab { display: none; }
#jt-user-auth .login-section .login-main { padding: 0; }

#jt-user-auth .form-group { margin-bottom: 16px; }
#jt-user-auth .control-label {
    display: block; margin-bottom: 6px;
    font-size: 13px; font-weight: 600; letter-spacing: .04em; color: #CFE4FF;
}
#jt-user-auth .form-control {
    height: 44px; border-radius: 12px; padding: 8px 14px; font-size: 14px;
    background: rgba(9, 22, 44, .72) !important;
    border: 1px solid rgba(53, 224, 255, .18) !important;
    color: #E9F3FF !important;
    box-shadow: none !important;
    transition: border-color .2s ease, box-shadow .2s ease;
}
#jt-user-auth .form-control:focus {
    border-color: rgba(53, 224, 255, .55) !important;
    box-shadow: 0 0 0 3px rgba(53, 224, 255, .12) !important;
}
#jt-user-auth .form-control::placeholder { color: rgba(127, 163, 201, .7); }
#jt-user-auth .checkbox label,
#jt-user-auth .pull-right .btn-forgot {
    color: var(--a-sub); font-size: 13px;
}
#jt-user-auth .pull-right .btn-forgot:hover { color: var(--a-cyan); }
#jt-user-auth .checkbox input { margin-right: 4px; vertical-align: middle; }

/* 注册：两列栅格 */
#jt-user-auth .jt-auth-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 18px;
    align-items: start;
}
#jt-user-auth .jt-auth-form-grid > .form-group {
    margin: 0;
}
#jt-user-auth .jt-auth-form-grid .jt-auth-span-2 {
    grid-column: 1 / -1;
}
#jt-user-auth .jt-auth-form-grid .help-block:empty {
    display: none;
    margin: 0; padding: 0; height: 0;
}
#jt-user-auth .jt-auth-form-grid .help-block {
    margin: 2px 0 0; min-height: 0; font-size: 11px; line-height: 1.3;
}

#jt-user-auth .btn-primary.btn-lg.btn-block,
#jt-user-auth button[type="submit"].btn-primary {
    display: inline-flex; align-items: center; justify-content: center;
    height: 46px; margin-top: 4px; border: none; border-radius: 999px;
    font-size: 15px; font-weight: 700; letter-spacing: .06em;
    background: linear-gradient(92deg, #2E7CF6, #35C9FF) !important;
    color: #fff !important;
    box-shadow: 0 10px 26px rgba(46, 124, 246, .42);
    transition: transform .3s ease, box-shadow .3s ease;
}
#jt-user-auth .btn-primary.btn-lg.btn-block:hover,
#jt-user-auth button[type="submit"].btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(53, 201, 255, .5);
    color: #fff !important;
}
#jt-user-auth .btn-default.btn-lg.btn-block,
#jt-user-auth a.btn-default.btn-lg {
    display: inline-flex; align-items: center; justify-content: center;
    height: 46px; margin-top: 10px; border-radius: 999px;
    font-size: 14px; font-weight: 650; letter-spacing: .04em;
    background: transparent !important;
    color: #BFE6FF !important;
    border: 1px solid rgba(53, 224, 255, .35) !important;
    box-shadow: none !important;
}
#jt-user-auth .btn-default.btn-lg.btn-block:hover,
#jt-user-auth a.btn-default.btn-lg:hover {
    border-color: rgba(53, 224, 255, .7) !important;
    color: #fff !important;
    background: rgba(53, 224, 255, .06) !important;
}
#jt-user-auth .jt-auth-actions {
    display: flex; flex-direction: column; align-items: stretch; gap: 8px;
    margin-top: 4px;
}
#jt-user-auth .jt-auth-switch {
    display: block; text-align: center;
    font-size: 13px; color: var(--a-sub); padding: 4px 0 0;
}
#jt-user-auth .jt-auth-switch:hover { color: var(--a-cyan); }

#jt-user-auth .help-block,
#jt-user-auth .msg-box { color: #7FA3C9; }
#jt-user-auth .n-error .n-msg,
#jt-user-auth .has-error .help-block { color: #FF8F8F !important; }
#jt-user-auth .text-success { color: #7CE8B4; }

#jt-user-auth .input-group .btn-captcha,
#jt-user-auth .input-group-btn .btn {
    border-radius: 0 12px 12px 0 !important;
    background: linear-gradient(92deg, #2E7CF6, #35C9FF) !important;
    border: none !important; color: #fff !important;
    height: 44px; font-weight: 650; font-size: 13px; padding: 0 16px;
}
#jt-user-auth .input-group .form-control {
    border-radius: 12px 0 0 12px !important;
}

#jt-user-auth .jt-auth-foot {
    margin: 20px 0 0; font-size: 12px; color: rgba(127, 163, 201, .75); text-align: center;
}

@media (max-width: 900px) {
    #jt-user-auth .jt-auth-nav {
        height: auto; min-height: 56px; padding: 10px 16px; flex-wrap: wrap; gap: 8px 16px;
    }
    #jt-user-auth .jt-auth-menu {
        justify-content: flex-start; gap: 8px 18px; width: 100%; order: 3;
    }
    #jt-user-auth .jt-auth-menu a { height: 36px; font-size: 13px; }
    #jt-user-auth .jt-auth-menu a::after { bottom: 6px; }
}
@media (max-width: 640px) {
    #jt-user-auth .jt-auth-body,
    #jt-user-auth .jt-auth-body--register { max-width: 100%; padding: 28px 16px 48px; }
    #jt-user-auth .jt-auth-card { padding: 20px 16px 16px; }
    #jt-user-auth .jt-auth-form-grid { grid-template-columns: 1fr; }
}