:root{--c-bg: #ffffff;--c-bg-alt: #f5f5f7;--c-bg-dark: #000000;--c-text: #1d1d1f;--c-text-dim: #86868b;--c-text-invert: #f5f5f7;--c-accent: #0071e3;--c-accent-soft: rgba(0, 113, 227, .08);--c-accent-line: rgba(0, 113, 227, .22);--c-warn: #a85700;--c-warn-bg: rgba(255, 159, 10, .16);--c-line: rgba(0, 0, 0, .1);--c-line-dark: rgba(255, 255, 255, .14);--r-card: 18px;--r-pill: 980px;--w-text: 692px;--w-page: 1120px;--nav-pad-open: 20px;--nav-pad-collapsed: 8px;--nav-collapse-range: 110px;--nav-h-open: 66px;--nav-h: 44px}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,PingFang SC,HarmonyOS Sans SC,Source Han Sans SC,Noto Sans CJK SC,Microsoft 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.card{background:#fff;border-color:transparent}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}@media(max-width:734px){.section{padding-block:80px}.section--tight{padding-block:60px}body{font-size:16px}}.js [data-anim]{opacity:0;transform:translateY(24px);will-change:opacity,transform}.split-line{overflow:hidden}.nav[data-astro-cid-dmqpwcec]{position:fixed;inset:0 0 auto;z-index:100;padding-block:var(--nav-pad-open);background:#ffffffb8;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);box-shadow:0 1px 0 transparent;transition:padding-block .28s cubic-bezier(.4,0,.2,1),box-shadow .28s cubic-bezier(.4,0,.2,1)}.nav__inner[data-astro-cid-dmqpwcec]{max-width:var(--w-page);margin-inline:auto;padding-inline:22px;display:flex;align-items:center;gap:26px}.nav__brand[data-astro-cid-dmqpwcec]{font-size:21px;font-weight:600;color:var(--c-text);letter-spacing:-.02em;white-space:nowrap;transform-origin:left center;transition:font-size .28s cubic-bezier(.4,0,.2,1),color .2s ease}.nav__brand[data-astro-cid-dmqpwcec]:hover{color:var(--c-accent);text-decoration:none}.nav__links[data-astro-cid-dmqpwcec]{display:flex;gap:26px;margin-inline-start:8px;margin-inline-end:auto}.nav__links[data-astro-cid-dmqpwcec] a[data-astro-cid-dmqpwcec]{font-size:14px;color:var(--c-text);opacity:.78;white-space:nowrap;transition:opacity .2s ease,color .2s ease}.ext[data-astro-cid-dmqpwcec]{font-size:10px;margin-inline-start:3px;opacity:.6}.nav__links[data-astro-cid-dmqpwcec] a[data-astro-cid-dmqpwcec]:hover{opacity:1;color:var(--c-accent);text-decoration:none}.nav__links[data-astro-cid-dmqpwcec] 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