.pg-root{color-scheme:light;background:#101011}.pg-body{margin:0;font:12px/1.8 JetBrains Mono,Microsoft YaHei,monospace}.pg-body *,.pg-body :before,.pg-body :after{box-sizing:border-box}.pg-body [hidden]{display:none!important}.pg-dark{--world:#101011;--world-ink:#e9e9e5;--world-muted:#858580;--world-line:#e9e9e52c;--accent:#55cde4;background:var(--world);color:var(--world-ink)}.pg-light{--world:#ecece8;--world-ink:#141415;--world-muted:#5e5e5a;--world-line:#1415152e;--accent:#076a7e;background:var(--world);color:var(--world-ink)}.pg-body a{color:inherit;text-decoration:none}.pg-body button,.pg-body input{font:inherit;color:inherit;border-radius:0}.pg-body button{cursor:pointer}.pg-body :focus-visible{outline:2px solid var(--accent);outline-offset:4px}.pg-shell{width:min(1090px,100% - 120px);margin-inline:auto}.pg-hero{padding:clamp(110px,11vw,170px) 0 110px;position:relative}.pg-hero>.pg-shell{position:relative}.pg-grid{pointer-events:none;opacity:.3;background-image:linear-gradient(var(--world-line) 1px, transparent 1px), linear-gradient(90deg, var(--world-line) 1px, transparent 1px);background-size:80px 80px;position:absolute;inset:0;mask-image:linear-gradient(#000,#0000)}.pg-title-frame{border:1px solid var(--world-line);width:fit-content;max-width:100%;padding:16px 18px}.pg-kicker{color:var(--world-muted);letter-spacing:.1em;margin:0 0 14px;font-size:10px}.pg-title-frame h1{letter-spacing:-.08em;text-wrap:balance;margin:0;font-size:clamp(41px,5.35vw,87px);font-weight:500;line-height:1.04}.pg-root[lang=zh] .pg-title-frame h1{letter-spacing:0}.pg-intro{max-width:75ch;color:var(--world-muted);margin:clamp(16px,2.7vw - 23px,29px) 0 0;font-size:clamp(15px,.9vw,17px);line-height:1.4}.pg-draft{color:var(--accent);border:1px solid;margin:28px 0 0;padding:9px 11px;display:inline-block}.pg-section{padding:clamp(110px,11vw,170px) 0 110px}.pg-muted,.pg-note{color:var(--world-muted)}.pg-link{width:fit-content;position:relative}.pg-link:after{content:"";transform-origin:0;background:currentColor;height:1px;transition:transform .35s;position:absolute;inset:auto 0 -4px;transform:scaleX(0)}.pg-link:is(:hover,:focus-visible):after{transform:scaleX(1)}.pg-button{background:0 0;border:1px solid;padding:9px 11px;font-size:11px;line-height:1.8}.pg-body button.pg-button{font-size:11px}.pg-button[aria-pressed=true]{border-color:var(--accent);background:var(--accent);color:var(--world)}@media (width<=767px){.pg-shell{width:calc(100% - 36px)}.pg-hero{padding-top:130px}.pg-title-frame{padding:14px 16px}}@media (prefers-reduced-motion:reduce){.pg-body *,.pg-body :before,.pg-body :after{transition:none!important;animation:none!important;transform:none!important}}.pg-top{z-index:20;background:0 0;grid-template-columns:1fr auto 1fr;align-items:start;padding:28px;display:grid;position:relative}.pg-ready .pg-top{position:fixed;inset:0 0 auto}.pg-top>.pg-logo{grid-column:2}.pg-logo{letter-spacing:-.08em;font-size:17px;line-height:1.8}.pg-actions{grid-column:3;justify-content:end;align-items:center;gap:24px;font-size:clamp(15px,.85vw,17px);line-height:20px;display:flex}.pg-console{font-size:inherit;line-height:inherit;white-space:nowrap;padding:9px 15px}.pg-top [aria-current=page]{color:var(--accent);text-underline-offset:6px;text-decoration:underline}.pg-rail{z-index:10;visibility:hidden;width:max-content;max-width:350px;font-size:clamp(15px,.85vw,17px);line-height:var(--rail-line,32px);background:0 0;grid-template-columns:minmax(0,1fr);gap:0;display:grid;position:fixed;bottom:40px;left:28px}.pg-rail-visible{visibility:visible}.pg-rail a{opacity:.8;width:100%;min-width:0;height:var(--rail-line,32px);background:0 0;align-items:center;gap:8px;display:flex}.pg-body .pg-rail a{color:var(--world-ink)}.pg-rail-label{white-space:nowrap;text-overflow:ellipsis;background:var(--world);overflow:hidden}.pg-rail i{background:currentColor;flex:0 0 20px;width:20px;height:2px}.pg-rail a:is(:hover,:focus-visible),.pg-body:not(:has(:target)) .pg-rail a:first-child{opacity:1}.pg-body:not(:has(:target)) .pg-rail a:first-child i{background:var(--accent)}@media (width<=767px){.pg-top{grid-template-columns:auto 1fr;gap:18px;padding:20px 18px}.pg-top>.pg-logo{grid-column:1;font-size:15px}.pg-actions{grid-column:2;gap:9px;font-size:9px}.pg-console{padding:7px}}.pg-currency,.pg-filters,.pg-filters>div{flex-wrap:wrap;gap:10px;display:flex}.pg-currency{margin-bottom:40px}.pg-group{margin-bottom:80px;scroll-margin-top:128px}.pg-group:last-child{margin-bottom:0}.pg-group h2,.pg-prose h2{letter-spacing:-.06em;font-size:clamp(24px,2.5vw,38px);font-weight:400;line-height:1.3}.pg-badge{border:1px solid var(--world-line);letter-spacing:0;padding:2px 6px;font-size:11px;font-weight:400;display:inline-block}.pg-table-wrap{max-width:100%;margin-top:24px;overflow-x:auto}.pg-table{border-collapse:collapse;text-align:left;width:100%;min-width:620px}.pg-table caption{text-align:left;color:var(--world-muted);padding:0 0 12px}.pg-table th,.pg-table td{border-bottom:1px dashed var(--world-line);padding:16px 12px;font-weight:400}.pg-table thead th{color:var(--world-muted);font-size:11px}.pg-table td{white-space:nowrap;font-variant-numeric:tabular-nums}.pg-note{font-size:11px;display:block}.pg-search{max-width:520px;color:var(--world-muted);gap:8px;display:grid}.pg-search input{border:1px solid var(--world-line);background:0 0;width:100%;padding:12px}.pg-filters{flex-direction:column;gap:16px;margin:24px 0 48px}.pg-filters>div{align-items:center}.pg-model{border-bottom:1px dashed var(--world-line);grid-template-columns:35px minmax(0,1fr) minmax(220px,32%);align-items:center;gap:20px;min-height:124px;padding-block:28px;scroll-margin-top:128px;display:grid}.pg-model:first-child{border-top:1px dashed var(--world-line)}.pg-index{color:var(--world-muted);font-size:12px}.pg-model h2{letter-spacing:-.06em;overflow-wrap:anywhere;margin:0;font-size:clamp(38px,3.2vw,46px);font-weight:400;line-height:1.3}.pg-model p{margin:8px 0}.pg-summary{margin-top:10px;display:block}.pg-protocols{flex-wrap:wrap;gap:8px;display:flex}.pg-protocols span{border:1px solid var(--world-line);padding:2px 6px;font-size:11px}.pg-arrow{border:1px solid var(--world-line);width:38px;height:38px;padding:9px}.pg-arrow svg{stroke:currentColor;stroke-width:1.5px;width:100%;height:100%}.pg-arrow:is(:hover,:focus-visible){background:var(--accent);color:var(--world)}.pg-prose{max-width:860px}.pg-prose h2{overflow-wrap:anywhere;margin-top:64px;scroll-margin-top:128px}.pg-prose p,.pg-prose li{overflow-wrap:anywhere;max-width:75ch}.pg-toc{border-block:1px dashed var(--world-line);gap:8px;padding:24px 0;display:grid}@media (hover:hover) and (width>=768px) and (prefers-reduced-motion:no-preference){.pg-model{transition:opacity .2s}.pg-model h2{transition:transform .2s}.pg-model:is(:hover,:focus-within) h2{transform:translate(12px)}.pg-models:has(.pg-model:is(:hover,:focus-within)) .pg-model:not(:hover):not(:focus-within){opacity:.45}}@media (width<=767px){.pg-model{grid-template-columns:28px minmax(0,1fr);gap:8px;min-height:110px}.pg-model h2{font-size:27px}.pg-arrow{width:30px;height:30px;padding:7px}.pg-group{margin-bottom:60px}.pg-prices{grid-column:2}}.pg-rates{flex-wrap:wrap;gap:12px 24px;margin:8px 0;display:flex}.pg-rates dt{color:var(--world-muted);font-size:11px}.pg-rates dd{font-variant-numeric:tabular-nums;margin:0;font-size:20px}.pg-billing{margin-top:64px}.pg-root .pg-footer.footer{height:100svh;min-height:100svh;padding-inline:var(--gutter);grid-template-rows:auto 1fr auto auto;display:grid}.pg-footer .footer-marquee{margin-bottom:0}.pg-footer .footer-links{align-self:end}.pg-footer .logo{letter-spacing:-.08em;font-size:17px}.pg-footer #legal{color:var(--world-muted)}@media (width<=767px){.pg-root .pg-footer.footer{grid-template-rows:auto 1fr auto auto auto;gap:24px;padding-block:80px 24px}.pg-footer .footer-marquee{width:100%;margin-inline:0}.pg-footer.footer .footer-more{gap:8px 16px;margin-bottom:12px;position:static}.pg-footer .footer-policies{gap:8px 16px;padding-top:12px}.pg-footer .marquee-track{width:100%;animation:none}.pg-footer .marquee-unit{justify-content:center;width:100%;padding:0}.pg-footer .marquee-unit span{white-space:normal;text-wrap:balance;text-align:center;min-width:0}.pg-footer :is([data-marquee-clone],.marquee-unit svg){display:none}.pg-footer .footer-floor-row{animation:none}}@media (prefers-reduced-motion:no-preference) and (width>=768px){.pg-footer .marquee-rise{clip-path:inset(calc((1 - var(--pg-reveal,1)) * 100%) 0 0);transform:translateY(calc((1 - var(--pg-reveal,1)) * 80px))}.pg-footer .footer-contact,.pg-footer .footer-links{opacity:var(--pg-reveal,1);transform:translateY(calc((1 - var(--pg-reveal,1)) * 48px))}.pg-footer .footer-grid{transform-origin:bottom;transform:translateY(calc((1 - var(--pg-reveal,1)) * 20%)) scale(calc(.72 + var(--pg-reveal,1) * .28))}}