:root{--bg:#f7f5ef;--panel:#fffefa;--ink:#17191c;--muted:#697179;--line:#17191c1f;--accent:#0f766e;--blue:#2563eb;--amber:#b45309;--red:#be123c}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:Inter,SF Pro Display,PingFang SC,Microsoft YaHei,system-ui,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.app-shell{grid-template-columns:220px 1fr;min-height:100svh;display:grid}.sidebar{border-right:1px solid var(--line);color:#fff;background:#111417;height:100svh;padding:22px;position:sticky;top:0}.brand{gap:6px;margin-bottom:32px;display:grid}.brand strong{font-size:18px}.brand span,.nav a,.muted{color:var(--muted)}.nav{gap:8px;display:grid}.nav a{border-radius:8px;padding:11px 12px}.nav a:hover{color:#fff;background:#ffffff14}.main{width:min(100%,1180px);padding:28px}.page-head{justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:22px;display:flex}.page-head h1,.login-card 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