.cnasedu-login-modal{position:fixed;inset:0;z-index:100000;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(15,23,42,.56)}.cnasedu-login-dialog{position:relative;width:min(480px, 100%);max-height:calc(100vh - 40px);overflow:auto;border-radius:14px;background:#fff;box-shadow:0 24px 70px rgba(15,23,42,.24);padding:40px 48px 34px;color:#172033}.cnasedu-login-close{position:absolute;top:18px;right:22px;display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:50%;background:0 0;color:#334155;font-size:17px;line-height:1;cursor:pointer;padding:0;box-shadow:none}.cnasedu-login-close:hover,.cnasedu-login-close:focus{background:#f1f5f9;color:#0f172a;box-shadow:none;outline:none}.cnasedu-login-title{margin:0 0 8px;font-size:26px;line-height:1.25;font-weight:700}.cnasedu-login-subtitle{margin:0 0 26px;color:#475569;font-size:15px}.cnasedu-login-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:22px;padding:4px;border-radius:10px;background:#f1f5f9}.cnasedu-login-tab{border:0;border-radius:8px;min-height:40px;background:0 0;color:#475569;font-weight:700;cursor:pointer}.cnasedu-login-tab.is-active{background:#fff;color:#145df4;box-shadow:0 1px 4px rgba(15,23,42,.12)}.cnasedu-login-panel[hidden]{display:none}.cnasedu-login-qrbox{display:flex;align-items:center;justify-content:center;width:210px;height:210px;margin:0 auto 16px;border:1px solid #e2e8f0;background:#fff}.cnasedu-login-qrbox canvas{width:180px;height:180px}.cnasedu-login-qr-fallback{display:inline-flex;justify-content:center;width:100%;color:#145df4;font-weight:700;text-decoration:none}.cnasedu-login-hint{margin:0 0 18px;text-align:center;color:#64748b;font-size:14px}.cnasedu-login-field{width:100%;min-height:48px;border:1px solid #dbe3ef;border-radius:8px;padding:0 14px;font-size:15px;outline:none;box-sizing:border-box}.cnasedu-login-field:focus{border-color:#145df4;box-shadow:0 0 0 3px rgba(20,93,244,.12)}.cnasedu-login-code-row{display:grid;grid-template-columns:minmax(0, 1fr) 116px;gap:10px;margin:12px 0 18px}.cnasedu-login-send{border:1px solid #dbe3ef;border-radius:8px;background:#fff;color:#145df4;font-weight:700;cursor:pointer}.cnasedu-login-send:disabled{color:#94a3b8;cursor:not-allowed}.cnasedu-login-submit{width:100%;min-height:48px;border:0;border-radius:8px;background:#145df4;color:#fff;font-weight:700;cursor:pointer}.cnasedu-login-submit:disabled{opacity:.7;cursor:wait}.cnasedu-login-message{display:none;margin:14px 0 0;border-radius:8px;padding:10px 12px;font-size:14px}.cnasedu-login-message.is-error{display:block;background:#fef2f2;color:#b91c1c}.cnasedu-login-message.is-ok{display:block;background:#ecfdf5;color:#047857}@media (max-width:560px){.cnasedu-login-dialog{padding:34px 22px 26px}.cnasedu-login-code-row{grid-template-columns:1fr}.cnasedu-login-send{min-height:44px}}