:root{color-scheme:light dark;--background:#f6f7f9;--surface:#fff;--text:#14171c;--muted:#5d6570;--line:#d9dde3;--error:#b42318;--focus:#1d4ed8;--pending-background:#fff3bf;--pending-text:#14171c;--pending-line:#8a6d00;--font:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--radius:8px;--page-width:72rem;--gutter:16px;--target:44px}@media (prefers-color-scheme:dark){:root{--background:#0f1115;--surface:#181b21;--text:#eef0f3;--muted:#9aa3ad;--line:#2c313a;--error:#f97066;--focus:#8ab4ff;--pending-background:#4d3d00;--pending-text:#fff8db;--pending-line:#e0b300}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--background);min-height:100vh;color:var(--text);font-family:var(--font);flex-direction:column;margin:0;font-size:1rem;line-height:1.5;display:flex}a{color:inherit}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}[data-unapproved]{background:var(--pending-background);color:var(--pending-text);outline:1px dashed var(--pending-line)}.skip-link{left:var(--gutter);z-index:10;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;position:absolute;top:-100px}.skip-link:focus{top:8px}.site-header{background:var(--surface);border-bottom:1px solid var(--line)}.header-bar{max-width:var(--page-width);padding:0 var(--gutter);align-items:center;gap:8px 20px;min-height:64px;margin:0 auto;display:flex;position:relative}.wordmark{min-height:var(--target);align-items:center;font-size:1.125rem;font-weight:700;text-decoration:none;display:inline-flex}.header-nav{flex:1;align-items:center;gap:2px;display:flex}.header-end{align-items:center;gap:4px;display:flex}.section-menu>summary,.header-link,.header-end a,.header-menu>summary{min-width:var(--target);min-height:var(--target);border-radius:var(--radius);cursor:pointer;justify-content:center;align-items:center;gap:6px;padding:0 10px;text-decoration:none;list-style:none;display:inline-flex}.section-menu>summary::-webkit-details-marker,.header-menu>summary::-webkit-details-marker{display:none}.section-menu>summary:after{content:"";border-bottom:2px solid;border-right:2px solid;width:6px;height:6px;transform:translateY(-2px)rotate(45deg)}.section-menu[open]>summary:after{transform:translateY(2px)rotate(-135deg)}[data-section-label][aria-current=true],.header-link[aria-current=page],.section-menu 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0;padding:0;list-style:none}.menu-group-label{color:var(--muted);padding:0 10px;font-size:.875rem;display:block}.header-menu-links{border-top:1px solid var(--line);flex-wrap:wrap;grid-column:1/-1;gap:4px;padding-top:8px;display:flex}.header-menu-links a{min-width:var(--target);min-height:var(--target);justify-content:center;align-items:center;padding:0 10px;text-decoration:none;display:inline-flex}.narrow-only{display:none}@media (width<=767px){.wide-only{display:none}.narrow-only{display:block}}.main{width:100%;max-width:var(--page-width);padding:24px var(--gutter) 48px;flex:1;margin:0 auto}.main:focus{outline:none}h1{margin:0 0 16px;font-size:1.75rem;line-height:1.25}h2{margin:0 0 8px;font-size:1.25rem;line-height:1.3}.home-heading{font-size:1.5rem}.entries{grid-template-columns:1fr;gap:16px;display:grid}@media (width>=768px){.entries{grid-template-columns:1fr 1fr}}.entry{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;align-items:flex-start;padding:20px;display:flex}.entry p{color:var(--muted);margin:0 0 16px}.button{min-height:var(--target);border-radius:var(--radius);background:var(--text);color:var(--background);align-items:center;padding:0 18px;font-weight:600;text-decoration:none;display:inline-flex}.block{margin-top:32px}.block>p{max-width:46rem;margin:0 0 16px}.pair{grid-template-columns:1fr;gap:16px;display:grid}@media (width>=768px){.pair{grid-template-columns:1fr 1fr}}.bounds,.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px}.bounds h3,.card h3{margin:0 0 4px;font-size:1rem}.bounds ul{margin:0;padding-left:1.25rem}.lede{max-width:46rem;margin:0 0 24px;font-size:1.125rem}code{overflow-wrap:anywhere}.more,.card h3 a{min-height:var(--target);align-items:center;font-weight:600;display:inline-flex}.cards{grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.card p{color:var(--muted);margin:0 0 8px}.ways{grid-template-columns:1fr;gap:16px;margin-top:32px;display:grid}@media (width>=768px){.ways{grid-template-columns:repeat(3,1fr)}}.intro{flex-wrap:wrap;align-items:center;gap:16px 24px;display:flex}.intro>div{flex:18rem}.cat{border-radius:24px;width:128px;height:128px}.coming{gap:8px;max-width:46rem;margin:0;padding:0;list-style:none;display:grid}.coming li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px}.coming-name{font-weight:600}.coming-text{color:var(--muted);display:block}.badge{border:1px solid var(--line);color:var(--muted);border-radius:999px;margin-left:8px;padding:0 8px;font-size:.8125rem;display:inline-block}.not-found section+section{margin-top:24px}.prose{max-width:46rem}.prose a{text-decoration:underline}.prose pre{overflow-x:auto}.prose h2{margin-top:32px}.prose h3{margin:24px 0 8px;font-size:1.0625rem}.effective{color:var(--muted);margin:-8px 0 24px}.fallback-notice{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);max-width:46rem;margin:0 0 16px;padding:10px 14px}.site-footer{border-top:1px solid var(--line);background:var(--surface)}.footer-inner{max-width:var(--page-width);padding:16px var(--gutter) 24px;flex-wrap:wrap;align-items:center;gap:4px 16px;margin:0 auto;display:flex}.footer-inner ul{flex-wrap:wrap;gap:0 4px;margin:0;padding:0;list-style:none;display:flex}.footer-inner a{min-width:var(--target);min-height:var(--target);justify-content:center;align-items:center;padding:0 6px;display:inline-flex}.footer-line{color:var(--muted);flex-basis:100%;margin:4px 0 0;padding:0 6px;font-size:.875rem}[data-unapproved] .effective{color:inherit}