:root{--bg:#f5f6fa;--paper:#fff;--ink:#111827;--muted:#6f7788;--line:#e4e7ef;--navy:#0b1020;--indigo:#6958f5;--cyan:#46d9c5;--soft:#f0f1f7;--success:#169a6a}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:clip}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-x:clip}button,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.42}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid rgba(105,88,245,.25);outline-offset:3px}.shell{width:min(1240px,calc(100% - 48px));margin-inline:auto}.mesh{position:absolute;z-index:-1;border-radius:50%;filter:blur(8px);pointer-events:none}.mesh-a{width:530px;height:530px;right:-180px;top:70px;background:radial-gradient(circle,rgba(105,88,245,.16),transparent 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