:root{--bg:#0D0A14;--deep:#09070F;--panel:#161022;--panel2:#1E1630;--title:#F6F0FF;--text:#E4DCF2;--muted:#B3A4C9;--soft:#7E6F94;--purple:#9B5DE5;--electric:#7B2CBF;--light:#C77DFF;--mist:#C9B6E4;--lime:#B8E05A;--border:rgba(155,93,229,.22);--shadow:0 16px 44px rgba(0,0,0,.45);--header-h:120px;--max:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}.site-header{position:fixed;z-index:60;inset:0 0 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