:root{--paper:#fff9ef;--paper-deep:#f7eddd;--ink:#17152b;--muted:#686273;--orange:#ff6a00;--orange-dark:#df5600;--purple:#7047eb;--purple-dark:#5530c5;--mint:#52c997;--line:#17152b21;--shadow-sm:0 8px 22px #2e21141a;--shadow-lg:0 24px 60px #432a162e;--display:"Arial Black", "Microsoft YaHei", sans-serif;--ui:"Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth}body{min-width:280px;min-height:100vh;color:var(--ink);background:var(--paper);font-family:var(--ui);margin:0;overflow-x:hidden}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #7047eb59}.paper-noise{pointer-events:none;z-index:20;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' 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