body{margin:0;background:#f6f8fb;color:#1d2129}.admin-layout{min-height:100vh}.admin-sider{background:#fff;border-right:1px solid #e5e6eb}.brand{height:56px;display:flex;align-items:center;padding:0 20px;font-weight:700;font-size:18px}.admin-header{height:64px;background:#fff;border-bottom:1px solid #e5e6eb;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.admin-content{padding:24px}.page-stack,.page-stack>.arco-space-item{width:100%}.login-page,.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f6f8fb}.center-panel{min-height:240px;display:flex;align-items:center;justify-content:center;color:#86909c}.login-panel{width:360px;padding:32px;background:#fff;border:1px solid #e5e6eb;border-radius:8px}.placeholder-card{max-width:720px}.placeholder-card .arco-typography{display:block;margin-top:8px}.page-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px}.page-toolbar-with-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px}.json-view{margin:0;padding:12px;overflow:auto;max-height:calc(100vh - 160px);background:#f7f8fa;border:1px solid #e5e6eb;border-radius:6px;font-size:12px;line-height:1.6}.content-preview-body{white-space:pre-wrap}