:root{--bg: #f4f7fc;--bg-soft: #eef3fb;--panel: #ffffff;--line: #e6ecf5;--line-strong: #d7e0ee;--text: #1f2a44;--text-soft: #4a5a75;--muted: #8593a8;--primary: #2563eb;--primary-dark: #1d4ed8;--primary-soft: #eaf1ff;--teal: #0d9488;--teal-soft: #e6f7f4;--success: #16a34a;--success-soft: #e9f8ef;--warn: #d97706;--warn-soft: #fdf3e3;--danger: #dc2626;--danger-soft: #fdecec;--violet: #7c3aed;--violet-soft: #f1ebfe;--radius-lg: 16px;--radius: 12px;--radius-sm: 9px;--shadow: 0 8px 24px rgba(31, 42, 68, .06);--shadow-soft: 0 2px 10px rgba(31, 42, 68, .05)}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font-family:Microsoft YaHei,PingFang SC,Hiragino Sans GB,Segoe UI,sans-serif;font-size:14px}body{line-height:1.6}#root{min-height:100%}a{color:var(--primary);text-decoration:none}h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text)}.app-shell{display:flex;min-height:100vh}.sidebar{width:236px;flex:0 0 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