:root{--orange:#f06a28;--orange2:#f77b37;--blue:#0072b5;--bg:#101113;--panel:#191a1d;--ink:#f4f3ef;--muted:#929399;--line:#303136;--paper:#f5f5f1}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 'Segoe UI','Microsoft YaHei',sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--orange);outline-offset:4px}.sidebar{width:224px;position:fixed;inset:0 auto 0 0;padding:34px 20px;background:#17181a;border-right:1px solid 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