.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 16px;background:rgba(255,255,255,0.6);position:relative;overflow:hidden;}.auth-wrapper::before{background:#6366F1;left:-120px;top:-120px;}.auth-wrapper::after{background:#22D3EE;right:-120px;bottom:-120px;animation-delay:-8s;}.auth-card{width:100%;max-width:440px;border-radius:18px;padding:28px;border:1px solid rgba(255,255,255,0.18);color:#bfbfbf;background:rgba(255,255,255,0.6);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);box-shadow:rgba(149,157,165,0.2) 0px 8px 24px;}.brand-badge .dot{width:10px;height:10px;border-radius:50%;background:radial-gradient(closest-side,#a5b4fc,#6366F1);box-shadow:0 0 12px #818cf8;}.auth-title{color:#6450a5;font-weight:800;letter-spacing:.2px;margin:4px 0 8px;text-align:center;}.auth-subtitle{color:#8a99b0;margin-bottom:18px;}.form-floating > .form-control,.form-floating > .form-control-plaintext{background-color:rgba(2,6,23,.35);border:1px solid rgba(148,163,184,.25);color:#a6a6a6;}.form-floating > label{color:#a3b2c7;}.form-control:focus{border-color:#60a5fa;box-shadow:0 0 0 .25rem rgba(59,130,246,.25);background-color:rgba(2,6,23,.45);color:#a6a6a6;}.btn-gradient{--g1:#6366F1;--g2:#22D3EE;background-image:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;border:0;border-radius:12px;padding:10px 16px;font-weight:700;box-shadow:0 6px 18px rgba(34,211,238,.25);transition:transform .08s ease,box-shadow .2s ease,filter .2s ease;}.btn-gradient:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 10px 24px rgba(34,211,238,.32);}.btn-ghost{border-radius:12px;border:1px dashed rgba(148,163,184,.35);color:#82bbfe;background:transparent;}.form-check-input{background-color:rgba(2,6,23,.35);border:1px solid rgba(148,163,184,.3);}.form-check-input:checked{background-color:#6366F1;border-color:#6366F1;}.divider{position:relative;text-align:center;margin:18px 0;color:#94a3b8;}.divider::before,.divider::after{content:"";position:absolute;top:50%;width:40%;height:1px;background:linear-gradient(90deg,rgba(148,163,184,0),rgba(148,163,184,.45),rgba(148,163,184,0));}.divider::before{left:0;}.divider::after{right:0;}.text-link{color:#879fff;text-decoration:none;}.text-link:hover{color:#7d90ff;text-decoration:underline;}.input-icon-end{position:relative;}.input-icon-end .toggle-pass{position:absolute;right:12px;top:50%;transform:translateY(-50%);cursor:pointer;opacity:.8;}@media (max-width:576px){.auth-card{padding:22px;}}.brand-header{margin-bottom:2rem;text-align:center;}.brand-logo{display:inline-flex;align-items:center;margin-bottom:1rem;justify-content:center;}.brand-icon{width:64px;height:64px;border-radius:12px;box-shadow:0 4px 16px rgba(99,102,241,0.3);transition:transform 0.3s ease,box-shadow 0.3s ease;}.brand-icon:hover{transform:scale(1.05);box-shadow:0 6px 20px rgba(99,102,241,0.4);}.form-check{padding:0;margin:0;color:#a3a3a3;display:flex;align-items:center;gap:4px;}.form-check input[type="checkbox"]{appearance:none;-webkit-appearance:none;width:16px;height:16px;border:2px solid rgba(99,102,241,0.4);border-radius:4px;background:rgba(255,255,255,0.8);cursor:pointer;position:relative;transition:all 0.2s ease;box-shadow:0 2px 4px rgba(0,0,0,0.1);}.form-check input[type="checkbox"]:hover{border-color:rgba(99,102,241,0.6);box-shadow:0 2px 8px rgba(99,102,241,0.2);}.form-check input[type="checkbox"]:checked{background:linear-gradient(135deg,#6366F1,#22D3EE);border-color:#6366F1;box-shadow:0 2px 8px rgba(99,102,241,0.3);}.form-check input[type="checkbox"]:checked::after{content:'鉁?;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:white;font-size:12px;font-weight:bold;line-height:1;}.form-check label{cursor:pointer;user-select:none;font-size:0.9rem;font-weight:500;transition:color 0.2s ease;}.form-check label:hover{color:#6366F1;}.image-code{border:3px solid #f9bff773;border-radius:10px;margin-left:-15px;opacity:0.6;cursor:pointer;height:48px;}.prompt-image-code{border:3px solid #f9bff773;border-radius:10px;cursor:pointer;height:48px;}.btn-ghost:hover{color:#62d1f3;border:1px dashed rgba(40,122,234,0.35);}a{text-decoration:none;}