:root{--bg:#FFF7F8;--paper:#fff;--soft:#F8E6EA;--title:#3A1F28;--text:#4A2A32;--muted:#7A4E58;--faint:#A07880;--pink:#E88AA4;--pink2:#F2A0B6;--green:#7BAE7F;--purple:#C9A8D4;--branch:#6B3E3E;--line:rgba(232,138,164,.20);--shadow:0 14px 34px rgba(58,31,40,.08);--max:1160px;--top:136px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.layer-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:fixed;z-index:50;left:0;right:0;top:0}.petal-strip{height:24px;background:var(--pink);color:#fff}.bar-inner{width:min(var(--max),calc(100% - 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