:root{color-scheme:light;--bg: #f5f7fb;--bg-soft: #f9fafc;--panel: #ffffff;--line: #e6ebf2;--line-strong: #d6deea;--text: #0f172a;--muted: #64748b;--primary: #2563eb;--primary-hover: #1d4ed8;--success: #0f766e;--success-bg: #ecfdf5;--warning: #b45309;--warning-bg: #fffbeb;--danger: #b42318;--danger-bg: #fef3f2;--sidebar: #0b1324}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text)}.layout{height:100vh;min-height:100vh;display:grid;grid-template-columns:280px 1fr;overflow:hidden}.sidebar{background:linear-gradient(180deg,#0b1324,#101b30);color:#d8e2ff;padding:18px 14px;border-right:1px solid #1e2b44;position:sticky;top:0;height:100vh;overflow-y:auto}.brand{display:flex;align-items:center;gap:12px;padding:10px 10px 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