:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;color:#18243b;background:#f4f7fb;font-synthesis:none;--bg: #f4f7fb;--surface: #fff;--text: #18243b;--muted: #758198;--line: #e9eef5;--primary: #2563eb;--button: #2563eb;--tint: #eaf1ff;color-scheme:light}:root[data-theme=dark]{--primary: #8cb1ff;--bg: #101825;--surface: #1b2637;--text: #e5edf9;--muted: #a3b0c5;--line: #2c3a50;--tint: #263953;color-scheme:dark}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--primary: #8cb1ff;--bg: #101825;--surface: #1b2637;--text: #e5edf9;--muted: #a3b0c5;--line: #2c3a50;--tint: #263953;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0}button:disabled,fieldset:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid 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