html, body { min-height: 100%; }
body.signin {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    color: #17233c;
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #f4f7fb;
    overflow-x: hidden;
}
body.signin:before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background: linear-gradient(120deg, rgba(12, 41, 75, .96), rgba(18, 105, 115, .9)), url(../img/login-background.jpg) center/cover;
}
.signin-shell {
    display: flex;
    width: min(1080px, calc(100% - 48px));
    min-height: 600px;
    margin: 0 auto;
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 24px 70px rgba(6, 29, 54, .28);
}
.brand-panel {
    position: relative;
    flex: 1 1 55%;
    padding: 72px 76px;
    color: #fff;
    background: linear-gradient(145deg, #0d355d 0%, #106c74 100%);
    overflow: hidden;
}
.brand-panel:after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    right: -180px;
    bottom: -180px;
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 50%;
    box-shadow: 0 0 0 36px rgba(255,255,255,.04), 0 0 0 72px rgba(255,255,255,.035);
}
.brand-mark { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; border: 1px solid rgba(255,255,255,.35); border-radius: 14px; font-size: 25px; }
.brand-kicker { margin: 42px 0 12px; color: #7ee1d3; font-size: 13px; font-weight: 700; letter-spacing: 3px; }
.brand-panel h1 { margin: 0; font-size: 48px; line-height: 1.2; font-weight: 600; letter-spacing: 1px; }
.brand-description { margin-top: 26px; color: rgba(255,255,255,.72); font-size: 16px; line-height: 1.9; }
.brand-meta { position: absolute; left: 76px; bottom: 58px; color: rgba(255,255,255,.62); font-size: 12px; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: #73e3bf; box-shadow: 0 0 0 4px rgba(115,227,191,.16); }
.login-panel { display: flex; flex: 0 0 390px; flex-direction: column; justify-content: center; margin-top: 0; padding: 52px 58px; background: #fff; }
.login-heading .eyebrow { margin: 0 0 12px; color: #1a9a99; font-size: 11px; font-weight: 700; letter-spacing: 2px; }
.login-heading h2 { margin: 0; color: #17233c; font-size: 30px; font-weight: 600; }
.login-heading { margin-bottom: 24px; }
.login-heading p:last-child { margin: 10px 0 38px; color: #8b95a6; font-size: 13px; }
.field-group { margin-bottom: 22px; }
.field-group label { display: block; margin-bottom: 9px; color: #4f5d73; font-size: 13px; font-weight: 600; }
.field-control { position: relative; }
.field-control > i { position: absolute; top: 50%; left: 16px; z-index: 1; color: #97a5b7; font-size: 15px; transform: translateY(-50%); }
.signinpanel .form-control, .field-control .form-control { width: 100%; height: 48px !important; margin: 0; padding: 6px 16px 6px 44px !important; border: 1px solid #dce3ec; border-radius: 8px !important; color: #17233c; background: #f8fafc; box-shadow: none; transition: border-color .2s, box-shadow .2s, background .2s; }
.field-control .form-control:focus { border-color: #1a9a99 !important; background: #fff; box-shadow: 0 0 0 3px rgba(26,154,153,.12); }
.field-control .form-control::placeholder { color: #aab4c1; }
.login-panel .btn { height: 48px; margin-top: 12px; border: 0; border-radius: 8px; background: #168f91; color: #fff; font-size: 15px; font-weight: 600; box-shadow: 0 8px 18px rgba(22,143,145,.2); transition: background .2s, transform .2s; }
.login-panel .btn:hover { background: #107779; transform: translateY(-1px); }
.login-panel .btn i { margin-left: 8px; font-size: 12px; }
.login-note { margin: 25px 0 0; color: #a0aab7; font-size: 12px; text-align: center; }
.login-note i { margin-right: 5px; color: #1a9a99; }
.signin-footer { margin: 25px auto 0; color: rgba(255,255,255,.64); font-size: 12px; text-align: center; }
label.error { display: block; margin-top: 6px; color: #d9534f; font-size: 12px; }
body .layer-ext-moon-msg { border: 0; background-color: rgba(16, 36, 58, .9); color: #fff; }
body .layer-ext-moon-msg .layui-layer-content { padding: 12px 25px; text-align: center; }
@media (max-width: 760px) {
    body.signin { display: block; }
    .signin-shell { display: block; width: min(460px, calc(100% - 32px)); min-height: 0; margin-top: 28px; }
    .brand-panel { padding: 34px 32px 38px; }
    .brand-mark { width: 44px; height: 44px; font-size: 20px; }
    .brand-kicker { margin-top: 24px; }
    .brand-panel h1 { font-size: 34px; }
    .brand-description { margin-top: 16px; font-size: 14px; }
    .brand-meta { position: static; margin-top: 28px; }
    .login-panel { display: block; padding: 42px 32px 34px; }
    .signin-footer { margin: 25px auto 30px; }
}