:root{--bg:#FFF8F2;--deep:#F4E6D8;--card:#FFFCF8;--sub:#F8EEE4;--title:#2A2430;--text:#3A3440;--muted:#6A6470;--soft:#8A8490;--coral:#E07070;--gold:#E0B050;--mint:#70C090;--sky:#70A8D8;--violet:#A080D0;--sand:#D7B98F;--border:rgba(42,36,48,.12);--gold-border:rgba(224,176,80,.50);--shadow:0 12px 28px rgba(42,36,48,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}body.locked{overflow:hidden}.top-shell{position:fixed;z-index:50;top:0;left:0;right:0;background:var(--card);box-shadow:0 4px 18px rgba(42,36,48,.05)}.rainbow-line,.footer-rainbow{height:3px;display:grid;grid-template-columns:repeat(5,1fr)}.rainbow-line i,.footer-rainbow i{display:block}.rainbow-line i:nth-child(1),.footer-rainbow i:nth-child(1){background:var(--coral)}.rainbow-line 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