:root{color-scheme:light;--tool-ink: #0f172a;--tool-muted: #526179;--tool-line: #d8e2ef;--tool-blue: #2563eb;--tool-indigo: #4f46e5;--tool-soft: #f3f7ff;--tool-surface: #ffffff;--tool-danger: #b42318}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--tool-ink);background:radial-gradient(circle at 10% 3%,rgba(37,99,235,.1),transparent 31rem),radial-gradient(circle at 92% 16%,rgba(79,70,229,.08),transparent 28rem),#fbfdff;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.tool-page-wrap{width:min(1240px,calc(100% - 40px));margin:0 auto}.tool-narrow{width:min(850px,calc(100% - 40px));margin:0 auto}.tool-breadcrumbs{padding:26px 0 0;color:#64748b;font-size:14px}.tool-breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.tool-breadcrumbs 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