feat(frontend): polish login and design tokens

core/frontend/src/routes/team.tsx

@@ -288,7 +288,7 @@ export function TeamPage({ team, user, members, billing, notifications = [], nav
                       <td><span className="quota-cell"><span className="v">{monthly > 0 ? money(monthly) : "不限"}</span></span></td>
                       <td><div className="quota-cell"><span className="v">{money(memberUsed)}</span> <span className="lbl">/ {monthly > 0 ? `${memberPct.toFixed(0)}%` : "不限"}</span></div><div className="used-bar"><span className={barClass} style={{ width: `${barWidth}%` }}></span></div></td>
                       <td><div className="acts">{isOwner
-                        ? <span style={{ fontFamily: "var(--font-mono)", fontSize: "10.5px", color: "var(--black-alpha-32)", alignSelf: "center" }}>不可编辑</span>
+                        ? <span style={{ fontFamily: "var(--font-mono)", fontSize: "12px", color: "var(--black-alpha-32)", alignSelf: "center" }}>不可编辑</span>
                         : <>
                             <button className="icon-btn-sm" type="button" title="编辑" onClick={() => openEdit(member)}><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.6" strokeLinecap="round" strokeLinejoin="round"><path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7" /><path d="M18.5 2.5a2.12 2.12 0 0 1 3 3L12 15l-4 1 1-4z" /></svg></button>
                             <button className="icon-btn-sm" type="button" title="重置密码" onClick={() => { setResetTarget(member); setResetPwd(""); }}><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.6" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="11" width="18" height="11" rx="2" /><path d="M7 11V7a5 5 0 0 1 10 0v4" /></svg></button>