:root{--rail-width: 76px;--sidebar-width: 280px;--bg: #f4f6f8;--panel: #ffffff;--ink: #1d2129;--secondary: #4e5969;--muted: #86909c;--line: #e5e6eb;--line-soft: #f2f3f5;--accent: #3370ff;--accent-strong: #2b5fd9;--accent-soft: #e8f3ff;--field: #f7f8fa;--user-bg: #e8f3ff;--danger-bg: #fff2f0;--danger: #f53f3f;--shadow: 0 1px 2px rgba(29, 33, 41, .04);--radius: 12px;color:var(--ink);background:var(--bg);font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}button,textarea,input,select{font:inherit}.persistent-route{height:100%}.persistent-route.hidden-route{display:none}.shell{display:flex;height:100%;min-height:0;background:var(--bg)}.rail{width:var(--rail-width);flex:0 0 var(--rail-width);display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;background:var(--panel);border-right:1px solid 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