/* Scoped independent tools experience, no shared-site stylesheet changes. */
:root{--ink:#172a47;--muted:#617187;--blue:#2456e8;--blue-soft:#edf2ff;--line:#dce3ee;--paper:#f7f9fc;--white:#fff;--radius:16px;color-scheme:light;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;font-size:15px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,pre:focus-visible,summary:focus-visible{outline:3px solid #789cff;outline-offset:3px}button:disabled{cursor:default;opacity:.45}[hidden]{display:none!important}.skip{position:fixed;top:-80px;left:18px;z-index:1000;padding:12px 24px;background:#fff;border:2px solid var(--blue)}.skip:focus{top:12px}.header{background:#fff;border-bottom:1px solid 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