:root{--bg:#FAF8FF;--deep:#E8F2FA;--card:#FFFFFF;--sub:#EDE7F8;--title:#3D2F66;--text:#4A4560;--muted:#6B6580;--aux:#8A84A0;--purple:#C9B8F0;--purple-deep:#6B5B95;--blue:#B7D6F0;--blue-deep:#3D6B8A;--line:rgba(107,91,149,.20);--shadow:0 14px 36px rgba(61,47,102,.10);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}.shell{width:min(calc(100% - 32px),var(--max));margin-inline:auto}.frost-strip{height:9px;position:fixed;inset:0 0 auto;z-index:80;background:linear-gradient(90deg,#C9B8F0,#B7D6F0);color:var(--title)}.frost-inner{height:9px;display:flex;align-items:center;justify-content:space-between;font-size:0}.frost-inner>span{font-size:0}.text-button{position:absolute;right:max(16px,calc((100vw - 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