:root{--bg:240 20% 98%;--surface:0 0% 100%;--ink:235 18% 17%;--muted:235 7% 47%;--line:235 16% 91%;--purple:263 82% 58%;--tint:263 85% 97%;--soft:235 18% 95%;--radius:14px;--shadow:0 20px 80px hsl(235 30% 12% / .18);--ease:180ms ease}*{box-sizing:border-box}body{margin:0;background:hsl(var(--bg));color:hsl(var(--ink));font-family:Inter,-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;font-size:14px;line-height:1.6}button,input{font:inherit}button{cursor:pointer}button,a,input{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid hsl(var(--purple))}button{color:inherit}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.sidebar{position:fixed;width:232px;inset:0 auto 0 0;background:hsl(var(--surface));border-right:1px solid hsl(var(--line));padding:31px 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