/* Login-only brand treatment; no external assets or animation libraries. */
.login-brand-panel{position:relative;isolation:isolate;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:48px;background:#171c2c;background-image:radial-gradient(ellipse at 50% 48%,#252d49 0%,#1b2235 38%,#171c2c 75%)}
.login-brand-signature{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:24px;color:#f4f5fb;animation:guoguo-arrive 1.2s ease-out both}
.login-brand-signature img{display:block;width:88px;height:88px;filter:drop-shadow(0 16px 28px #090e2440);animation:guoguo-float 7s ease-in-out infinite}
.login-brand-signature span{font-size:32px;font-weight:500;line-height:1.4;letter-spacing:.16em;text-indent:.16em}
.login-brand-glow{position:absolute;z-index:0;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,#7d8cff20 0%,#7886db0b 45%,transparent 70%);animation:guoguo-breathe 10s ease-in-out infinite;pointer-events:none}
@keyframes guoguo-arrive{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes guoguo-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes guoguo-breathe{0%,100%{opacity:.55;transform:scale(.9)}50%{opacity:1;transform:scale(1.12)}}
@media(max-width:800px){.login-brand-panel{display:flex;min-height:150px;padding:28px}.login-brand-signature{flex-direction:row;gap:14px}.login-brand-signature img{width:48px;height:48px}.login-brand-signature span{font-size:24px}.login-brand-glow{width:220px;height:220px}.login-page .login-area{min-height:calc(100svh - 150px)}}
@media(prefers-reduced-motion:reduce){.login-brand-signature,.login-brand-signature img,.login-brand-glow{animation:none}}