:root{--bg: #f5f6f8;--surface: #fff;--surface-2: #f7f8fa;--border: #e6e8eb;--text: #1f2329;--text-2: #646a73;--text-3: #8f959e;--primary: #1677ff;--primary-hover: #4096ff;--primary-soft: #e8f1ff;--danger: #f53f3f;--green: #00b42a;--radius: 8px;--shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 4px 16px rgba(0, 0, 0, .04);color-scheme:light}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}a{color:inherit;text-decoration:none}h1,h2{margin:0;font-weight:600}.muted{color:var(--text-2)}.text-danger{color:var(--danger)!important}.boot{min-height:100vh}.shell{display:flex;min-height:100vh}.nav{position:sticky;top:0;display:flex;flex:none;flex-direction:column;width:224px;height:100vh;padding:20px 12px;border-right:1px solid 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