:root{--background:#f5f7fb;--surface:#ffffff;--surface-muted:#eef3f8;--border:#d8e0ea;--text:#121926;--muted:#64748b;--accent:#0f172a;--accent-soft:#e8eef5}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{background:var(--background);color:var(--text);font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif}button,input{font:inherit}a{color:inherit}.loginShell{align-items:center;display:flex;min-height:100vh;justify-content:center;padding:32px}.loginPanel{background:var(--surface);border:1px solid var(--border);display:grid;grid-gap:28px;gap:28px;max-width:420px;padding:34px;width:100%}.brandLockup,.loginBrand{align-items:center;display:inline-flex;gap:12px;font-weight:800;text-decoration:none}.loginBrand img{height:38px;width:38px}.eyebrow{color:var(--muted);font-size:12px;font-weight:800;letter-spacing:0;margin:0 0 8px;text-transform:uppercase}h1,h2,p{margin:0}.loginPanel h1{font-size:30px;line-height:1.15}.loginIntro{color:var(--muted);line-height:1.7;margin-top:12px}.loginActions,.loginForm{display:grid;grid-gap:16px;gap:16px}.larkLoginButton{align-items:center;background:#ffffff;border:1px solid #cfd8e3;color:#101828;cursor:pointer;display:inline-flex;gap:10px;font-weight:800;justify-content:center;min-height:42px;padding:9px 14px;text-decoration:none}.larkLoginButton:hover{background:#f8fafc;border-color:#94a3b8}.larkLoginButton:disabled{cursor:wait;opacity:.72}.larkMark{align-items:center;background:linear-gradient(135deg,#00c2ff,#2f54eb 42%,#7c3aed);color:#ffffff;display:inline-flex;font-size:13px;font-weight:900;height:22px;justify-content:center;line-height:1;width:22px}.debugDivider{align-items:center;color:var(--muted);display:flex;font-size:12px;font-weight:800;gap:12px;text-transform:uppercase}.debugDivider:after{background:var(--border);content:"";flex:1 1;height:1px}.loginForm label{display:grid;grid-gap:8px;gap:8px}.loginForm label span{color:#334155;font-size:13px;font-weight:700}.loginForm input{border:1px solid var(--border);min-height:42px;padding:9px 12px}.loginForm button,.logoutButton{background:#ffffff;border:1px solid #cbd5e1;color:#0f172a;cursor:pointer;font-weight:800;min-height:40px;padding:9px 14px}.loginForm button:hover,.logoutButton:hover{background:#f8fafc;border-color:#94a3b8}.formError{color:#b42318;font-size:13px}.intranetShell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}.sidebar{background:#0b101a;color:#ffffff;display:flex;flex-direction:column;gap:30px;padding:26px 22px}.brandLockup img{height:38px;width:38px}.sidebar nav{display:grid;grid-gap:8px;gap:8px}.sidebar nav a{color:rgba(255,255,255,.72);padding:9px 10px;text-decoration:none}.sidebar nav a.active{background:rgba(255,255,255,.1);color:#ffffff}.sidebar nav a[aria-disabled=true]{cursor:default}.sidebar .logoutForm{margin-top:auto}.logoutForm{display:grid}.logoutButton{align-items:center;display:inline-flex;justify-content:center;width:100%}.workspace{display:grid;grid-gap:28px;gap:28px;padding:34px}.topBar{align-items:center;display:flex;justify-content:space-between}.topBar h1{font-size:34px;line-height:1.15}.toolCard{background:var(--surface);border:1px solid var(--border)}.toolGrid{grid-gap:18px;grid-template-columns:repeat(2,minmax(0,1fr))}.toolCard,.toolGrid{display:grid;gap:18px}.toolCard{grid-gap:18px;min-height:220px;padding:24px}.toolCardHeader{align-items:flex-start;display:flex;gap:18px;justify-content:space-between}.toolCard h2{font-size:22px}.toolCardHeader span{background:#f8fafc;border:1px solid #d8e0ea;color:#475569;font-size:12px;font-weight:800;padding:6px 8px;white-space:nowrap}.toolCard p{color:#475569;line-height:1.75}.toolCard ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:auto 0 0;padding:0}.toolCard li{background:#eef3f8;border:1px solid #d8e0ea;color:#334155;font-size:13px;padding:7px 9px}@media (max-width:900px){.intranetShell{grid-template-columns:1fr}.sidebar{position:static}.toolGrid{grid-template-columns:1fr}}