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ease,transform .15s ease;box-shadow:var(--shadow-sm)}.login-feishu-btn:hover:not(:disabled){background:color-mix(in srgb,var(--surface) 76%,var(--accent) 24%);border-color:color-mix(in srgb,var(--border) 56%,var(--accent) 44%);box-shadow:var(--shadow);transform:translateY(-1px)}.login-feishu-btn:disabled{opacity:.45;cursor:not-allowed}.login-feishu-btn img{width:22px;height:22px;display:block;flex-shrink:0;filter:none}.login-demo-btn{width:100%;height:42px;display:flex;align-items:center;justify-content:center;font-family:var(--font-sans);font-size:13.5px;font-weight:500;background:var(--surface);color:var(--text-2);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:background .15s ease,border-color .15s ease}.login-demo-btn:hover:not(:disabled){background:var(--hover);border-color:var(--border-strong)}.login-demo-btn:disabled{opacity:.45;cursor:not-allowed}.login-pw-toggle{appearance:none;border:0;background:transparent;padding:3px 0;font-family:var(--font-sans);color:var(--text-4);font-size:12px;text-decoration:underline;text-underline-offset:3px;cursor:pointer;align-self:center;margin-top:4px;transition:color .12s ease}.login-pw-toggle:hover{color:var(--text-3)}.login-pw-form{display:flex;flex-direction:column;gap:12px;padding:16px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);margin-top:2px}.login-hint{margin-top:12px;font-size:11.5px;color:var(--text-3);line-height:1.6}.login-hint code{font-family:var(--font-mono);font-size:.95em;color:var(--text-2)}.login-card-foot{border-top:1px solid var(--border);margin-top:18px;padding-top:14px;font-size:11px;color:var(--text-3);text-align:center}@media(max-width:720px){.finalcta-step{grid-template-columns:1fr;gap:12px}.login-card{width:100%;padding:24px 20px 18px}.extension-step{grid-template-columns:1fr;gap:12px;padding:18px}}.site-footer{padding:36px var(--section-px) 56px;border-top:1px solid var(--border);background:var(--surface-2);font-size:12px;color:var(--text-3);display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}.site-footer a{color:var(--text-2);transition:color .15s ease}.site-footer a:hover{color:var(--text)}.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}.reveal.is-visible{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.brainstorm-chip{animation:none}}