:root{--bg:#fff;--surface:#fff;--sunken:#fafafa;--ink:#0a0a0a;--ink-2:#52525b;--ink-3:#8b8b93;--line:#0000001a;--line-soft:#00000012;--ok:#17825a;--radius:12px;--radius-pill:999px;--sans:Geist, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;--mono:ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, monospace;--ease-out:cubic-bezier(.23, 1, .32, 1);--shadow-rest:0 1px 2px #0000000a, 0 1px 1px #00000005;--shadow-hover:0 2px 4px #0000000d, 0 4px 12px #0000000a;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--bg);min-height:100svh;color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;flex-direction:column;margin:0;font-size:15px;line-height:1.6;display:flex}a{color:inherit}h1,h2,h3,p,li,dd,figcaption,td{text-wrap:balance}h1,h2,h3,.tool-row__desc,.tool-head__desc{word-break:keep-all;overflow-wrap:anywhere}:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.site-header,.site-footer{align-items:center;gap:16px;width:min(1040px,100% - 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