.login-body {
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 24px;
    overflow: hidden;
    position: relative;
    box-sizing: border-box;
}

.login-bg {
    position: fixed;
    inset: -20%;
    background:
        radial-gradient(circle at 20% 20%, rgba(66,216,255,.22), transparent 28%),
        radial-gradient(circle at 75% 70%, rgba(255,79,195,.16), transparent 30%),
        repeating-linear-gradient(90deg, transparent 0 72px, rgba(255,255,255,.035) 72px 73px);
    transform: rotate(-6deg);
}

.login-card {
    position: relative;
    z-index: 1;
    width: min(440px, 100%);
    max-width: 100%;
    padding: 34px;
    border: 1px solid var(--line-strong);
    border-radius: 28px;
    background: linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.03)), rgba(8, 18, 37, .84);
    box-shadow: var(--shadow), 0 0 80px rgba(66,216,255,.12);
    backdrop-filter: blur(20px);
}

.login-kicker {
    color: var(--blue);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .22em;
}

.login-card h1 {
    margin: 10px 0;
    font-size: clamp(30px, 8vw, 42px);
    line-height: 1;
    text-align: center;
}

.login-card p,
.login-hint {
    color: var(--text-sub);
}

.login-hint {
    margin-top: 18px;
    font-size: 13px;
}

.form-stack {
    display: grid;
    gap: 16px;
    margin-top: 22px;
}

.banquan {
    position: absolute;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    z-index: 1;
    width: min(calc(100% - 48px), 440px);
    margin: 0;
    text-align: center;
    font-size: 13px;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.banquan a {
    color: #ffffff;
}

.alert {
    margin: 18px 0 0;
    padding: 12px 14px;
    border: 1px solid rgba(255, 106, 138, .5);
    border-radius: 14px;
    background: rgba(255, 106, 138, .1);
}

@media (max-width: 520px) {
    .login-card {
        padding: 24px;
    }

    .banquan {
        bottom: 20px;
        width: min(calc(100% - 32px), 440px);
        font-size: 12px;
    }
}