@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-cyrillic-ext-wght-normal.DjL33-gN.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-cyrillic-wght-normal.BEAKL7Jp.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-vietnamese-wght-normal.6IgcOCM7.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-latin-ext-wght-normal.DC-KSUi6.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-latin-wght-normal.BgDaEnEv.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-mono-cyrillic-ext-wght-normal.X_5orZeX.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-mono-cyrillic-wght-normal.DiZS0aHC.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-mono-symbols2-wght-normal.CO5SzqOn.woff2)format("woff2-variations");unicode-range:U+2000-2001,U+2004-2008,U+200A,U+23B8-23BD,U+2500-259F}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-mono-vietnamese-wght-normal.DadHysG0.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-mono-latin-ext-wght-normal.Bwz-egvJ.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/geist-mono-latin-wght-normal.XN7g48iV.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:light dark;--background:light-dark(oklch(100% 0 0),oklch(20.5% .004 286));--foreground:light-dark(oklch(17% .005 286),oklch(95% .004 286));--accent:light-dark(oklch(70% .135 250),oklch(74% .15 250));--success:light-dark(oklch(50% .17 145),oklch(60% .17 145));--warning:light-dark(oklch(50% .18 55),oklch(66% .18 55));--surface-sunken:light-dark(oklch(from var(--background) calc(l - .055) c h),oklch(from var(--background) calc(l - .065) c h));--surface-base:oklch(from var(--background) calc(l - .025) c h);--surface-raised:var(--background);--muted-foreground:color-mix(in oklch, var(--foreground) 68%, var(--background));--accent-solid:light-dark(oklch(from var(--accent) .48 c h),oklch(from var(--accent) .76 c h));--success-text:color-mix(in oklab, var(--success) 50%, var(--foreground));--warning-text:color-mix(in oklab, var(--warning) 50%, var(--foreground));--border:oklch(from var(--foreground) l c h / .1);--radius-page:28px;--radius-container:12px;--radius-element:8px;--tint:color-mix(in srgb, var(--accent-solid) 9%, var(--surface-raised));--page:light-dark(var(--surface-raised),var(--surface-base));--plain:light-dark(var(--surface-base),var(--surface-raised));--font-family-body:"Geist Variable", -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;--font-family-code:"Geist Mono Variable", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}:root[data-theme=light]{color-scheme:light}:root[data-theme=dark]{color-scheme:dark}html{background:var(--page);color:var(--foreground);font-family:var(--font-family-body);-webkit-font-smoothing:antialiased;margin:0;font-size:14px;line-height:1.5}body{margin:0}a{color:inherit;text-decoration:none}code{font-family:var(--font-family-code)}.wrap{max-width:1200px;margin:0 auto;padding:0 32px}:focus-visible{outline:2px solid var(--accent-solid);outline-offset:2px}.nav{align-items:center;gap:4px;height:60px;display:flex}.nav>*{flex-shrink:0}.nav .brand{white-space:nowrap;align-items:center;gap:10px;margin-right:20px;font-size:15px;font-weight:600;display:flex}.nav .brand img{border-radius:var(--radius-element);width:26px;height:26px}.nav .brand small{color:var(--accent-solid);background:var(--tint);border-radius:999px;padding:2px 8px;font-size:11px;font-weight:500}.nav .links{gap:2px;display:flex}.nav .links a{color:var(--muted-foreground);border-radius:999px;padding:6px 12px;font-weight:500}.nav .links a:hover,.nav .links a[aria-current=page]{background:var(--surface-sunken);color:var(--foreground)}.nav details{position:relative}.nav details summary{cursor:pointer;color:var(--muted-foreground);border-radius:999px;padding:6px 12px;font-weight:500;list-style:none}.nav details summary::-webkit-details-marker{display:none}.nav details summary:hover,.nav details[open] summary{background:var(--surface-sunken);color:var(--foreground)}.nav details .menu{z-index:10;background:var(--surface-raised);border:1px solid var(--border);border-radius:14px;min-width:180px;padding:6px;display:grid;position:absolute;top:calc(100% + 6px);left:0;box-shadow:0 8px 24px #00000014}.nav details .menu a{white-space:nowrap}.nav .more{display:none}.nav .more summary{border:1px solid var(--border);place-items:center;width:34px;height:34px;padding:0;display:grid}.nav .more .menu{left:auto;right:0}.nav .sp{flex:1}.lang{border:1px solid var(--border);white-space:nowrap;border-radius:999px;font-size:12px;font-weight:500;display:inline-flex;overflow:hidden}.lang a,.lang span{color:var(--muted-foreground);padding:5px 10px}.lang .on{background:var(--foreground);color:var(--page)}.theme{border:1px solid var(--border);width:34px;height:34px;color:var(--muted-foreground);cursor:pointer;background:0 0;border-radius:999px;place-items:center;margin:0 10px 0 6px;padding:0;display:inline-grid}.theme:hover{color:var(--foreground);background:var(--surface-sunken)}.theme svg{display:none}:root[data-theme=dark] .theme .sun,:root:not([data-theme=dark]) .theme .moon{display:block}.btn{white-space:nowrap;border:1px solid #0000;border-radius:999px;align-items:center;gap:8px;height:40px;padding:0 18px;font-size:14px;font-weight:500;display:inline-flex}.btn.primary{background:var(--foreground);color:var(--page)}.btn.secondary{background:var(--tint);color:var(--foreground)}.btn.sm{height:34px;padding:0 14px;font-size:13px}.btn .arr{font-family:var(--font-family-code)}.hero{text-align:center;padding:40px 0 24px}h1.display{letter-spacing:-.03em;text-wrap:balance;max-width:24ch;margin:0 auto 12px;font-size:clamp(32px,5vw,52px);font-weight:500;line-height:1.12}h1.display:lang(zh-CN){max-width:15em}h1.display b{font-weight:600}.lede{color:var(--muted-foreground);text-wrap:balance;max-width:60ch;margin:0 auto 24px;font-size:17px;line-height:1.55}.cta{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.fine{color:var(--muted-foreground);margin-top:14px;font-size:12.5px}.fine a,.sec-h p a,.tile p a{color:var(--accent-solid);text-underline-offset:3px;text-decoration:underline}.scene{border-radius:var(--radius-page);background:var(--tint);place-items:center;height:320px;margin:40px auto 0;display:grid;position:relative;overflow:hidden}.turn{grid-template-columns:repeat(7,1fr);align-items:center;gap:10px;width:calc(100% - 64px);display:grid;position:relative}.turn .rail{background:color-mix(in srgb, var(--foreground) 18%, transparent);height:1px;position:absolute;top:50%;left:24px;right:24px}.turn .hwline{background:var(--accent-solid);border-radius:2px;width:2px;position:absolute;top:-52px;bottom:-52px;left:calc(71.4286% - 7px)}.turn .hwline span{font:500 11px / 1 var(--font-family-code);color:var(--accent-solid);white-space:nowrap;position:absolute;top:-2px;left:10px}.ev-pill{background:var(--surface-raised);text-align:left;border-radius:16px;flex-direction:column;gap:4px;min-width:0;padding:14px 12px 12px;display:flex;position:relative;box-shadow:0 1px 2px #0000000f,0 6px 20px -8px #0000002e}.ev-pill b{font:500 11px / 1.3 var(--font-family-code);color:var(--accent-solid);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.ev-pill small{color:var(--muted-foreground);white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;overflow:hidden}.ev-pill.mut b{color:var(--foreground)}.ev-pill.warn b{color:var(--warning-text)}.ev-pill.ok b{color:var(--success-text)}.ev-pill.dim{opacity:.45;box-shadow:none;background:color-mix(in srgb, var(--surface-raised) 60%, transparent)}.turn .ev-pill:nth-child(odd){transform:translateY(-34px)}.turn .ev-pill:nth-child(2n){transform:translateY(34px)}.tape-cap{font:500 11px / 1 var(--font-family-code);letter-spacing:.08em;text-transform:uppercase;color:var(--muted-foreground);gap:22px;display:flex;position:absolute;bottom:18px;left:24px;right:24px}.tape-cap .hw{color:var(--accent-solid);text-transform:none;letter-spacing:0;margin-left:auto}.sec{padding:72px 0 0}.sec-h{grid-template-columns:1fr 1fr;align-items:end;gap:40px;margin-bottom:28px;display:grid}h2{letter-spacing:-.025em;text-wrap:balance;margin:0;font-size:34px;font-weight:600;line-height:1.18}.sec-h p{color:var(--muted-foreground);max-width:52ch;margin:0;font-size:15px}.bento{grid-template-columns:repeat(12,1fr);grid-auto-rows:minmax(120px,auto);gap:16px;display:grid}.tile{background:var(--tint);border-radius:20px;flex-direction:column;gap:8px;min-width:0;min-height:0;padding:26px 26px 22px;display:flex}.tile.plain{background:var(--plain)}.tile h3{letter-spacing:-.01em;margin:0;font-size:19px;font-weight:600}.tile p{color:var(--muted-foreground);max-width:46ch;margin:0;font-size:14px}.tile .more{color:var(--foreground);margin-top:4px;font-size:14px;font-weight:500}.tile .more:after{content:" →"}.tile .fig{margin-top:auto;padding-top:18px}.c3{grid-column:span 3}.c4{grid-column:span 4}.c5{grid-column:span 5}.c7{grid-column:span 7}.c12{grid-column:span 12}.r2{grid-row:span 2}.tile.r2 .fig,.lb{flex-direction:column;flex:1;display:flex}.lb{background:var(--surface-raised);border-radius:var(--radius-container);border:1px solid var(--border);overflow:hidden}.lb .row{border-bottom:1px solid var(--border);flex:1;grid-template-columns:22px 96px 1fr 58px;align-items:center;gap:10px;padding:7px 12px;font-size:12.5px;display:grid}.lb .row:last-of-type{border-bottom:0}.lb .rk{color:var(--muted-foreground);font-family:var(--font-family-code);font-size:11px}.lb .tr{background:var(--surface-sunken);border-radius:999px;height:6px;overflow:hidden}.lb .fi{background:color-mix(in oklch, var(--foreground) 24%, transparent);border-radius:999px;height:100%}.lb .pc{text-align:right;font-variant-numeric:tabular-nums;font-weight:500}.lb .row.me{background:var(--tint)}.lb .row.me .fi{background:var(--accent-solid)}.lb .row.me .nm,.lb .row.me .pc{color:var(--accent-solid);font-weight:600}.lb .cap{font:11px / 1.5 var(--font-family-code);color:var(--muted-foreground);background:var(--surface-sunken);padding:8px 12px}.tile .fig:has(>.stat){flex:1;align-items:center;display:flex}.stat{letter-spacing:-.04em;font-variant-numeric:tabular-nums;font-size:56px;font-weight:600;line-height:1}.stat small{color:var(--muted-foreground);letter-spacing:0;margin-left:8px;font-size:16px;font-weight:500}.host{grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;font-size:12.5px;display:grid}.host .col{flex-direction:column;gap:6px;display:flex}.host .chip{background:var(--surface-raised);border:1px solid var(--border);border-radius:var(--radius-element);padding:6px 10px;font-weight:500}.host .core{background:var(--foreground);color:var(--page);border-radius:var(--radius-container);text-align:center;padding:14px 16px;font-weight:600;line-height:1.3}.host .core small{opacity:.7;font-size:11px;font-weight:400;display:block}.host .lines{font-family:var(--font-family-code);color:var(--muted-foreground);text-align:center;font-size:11px}.evs{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.evs .e{font:500 11.5px / 1 var(--font-family-code);background:var(--surface-raised);color:var(--accent-solid);border:1px solid var(--border);border-radius:999px;padding:7px 10px}.evs .e.mut{color:var(--muted-foreground)}.evs .e.warn{color:var(--warning-text)}.evs .e.ok{color:var(--success-text)}.evs .cur{background:var(--accent-solid);width:2px;height:22px}@media (prefers-reduced-motion:no-preference){.evs.armed .e,.evs.armed .cur{opacity:0;transform:translateY(4px)}.evs.play .e{animation:.3s ease-out forwards append;animation-delay:calc(var(--i) * .28s)}.evs.play .cur{animation:.2s ease-out forwards append,1s step-end infinite blink;animation-delay:calc(var(--i) * .28s)}}@keyframes append{to{opacity:1;transform:none}}@media (prefers-reduced-motion:no-preference){.turn.armed .ev-pill,.turn.armed .hwline{opacity:0}.turn.play .ev-pill{animation:.35s ease-out forwards appear;animation-delay:calc(.2s + var(--i) * .28s)}.turn.play .hwline{animation:.3s ease-out forwards appear;animation-delay:calc(.2s + var(--i) * .28s)}.turn.play .ev-pill.dim{animation-name:appear-dim}}@keyframes appear{to{opacity:1}}@keyframes appear-dim{to{opacity:.45}}@keyframes blink{50%{opacity:0}}.tile.get{flex-direction:row;align-items:flex-start;gap:40px}.get-h{flex-direction:column;flex:0 0 240px;gap:8px;display:flex}.paths{flex:1;grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.path{border-left:1px solid var(--border);grid-template-columns:1fr;align-content:start;gap:8px;padding:4px 0 4px 18px;display:grid}.path b{margin-bottom:4px;font-size:15px;font-weight:600;display:block}.path span{color:var(--muted-foreground);font-size:12.5px;line-height:1.5}.path .note{font:500 11px / 1.4 var(--font-family-code);color:var(--warning-text)}.path .note.mut{color:var(--muted-foreground)}.path code{background:var(--surface-raised);border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:12px}.reads{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.rc{background:var(--plain);border-radius:20px;flex-direction:column;display:flex;overflow:hidden}.rc .cover{background:var(--tint);height:200px;font-family:var(--font-family-code);color:var(--accent-solid);letter-spacing:-.02em;text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:0 20px;font-size:26px;font-weight:500;line-height:1.25;display:flex}.rc .cover small{color:var(--muted-foreground);letter-spacing:.08em;text-transform:uppercase;margin-top:10px;font-size:12px;font-weight:500;display:block}.rc .body{padding:18px 20px 20px}.rc h3{letter-spacing:-.01em;text-wrap:balance;margin:0 0 6px;font-size:17px;font-weight:600}.rc .meta{color:var(--muted-foreground);font-size:12px}.rc .meta a{color:var(--accent-solid)}.doc{grid-template-columns:minmax(0,1fr) 180px;gap:64px;max-width:1040px;padding:56px 0 0;display:grid}.doc h1{letter-spacing:-.03em;text-wrap:balance;margin:0 0 10px;font-size:40px;font-weight:600;line-height:1.15}.doc .sup{color:var(--muted-foreground);max-width:62ch;margin:0;font-size:15px;line-height:1.6}.doc h2{margin:0 0 12px;font-size:24px}.doc h3{letter-spacing:.02em;margin:0;font-size:13px;font-weight:600}.doc p,.doc li{color:var(--muted-foreground);max-width:68ch;margin:0 0 12px;font-size:15px;line-height:1.6}.doc p a:not(.btn),.doc li a{color:var(--accent-solid);text-underline-offset:3px;text-decoration:underline}.doc .div{border:0;border-top:1px solid var(--border);margin:40px 0}.doc .status{border:1px solid var(--border);border-radius:var(--radius-container);background:var(--plain);margin:32px 0 48px;overflow:hidden}.doc .status h3{color:var(--muted-foreground);border-bottom:1px solid var(--border);padding:12px 16px}.doc .status .row{border-bottom:1px solid var(--border);grid-template-columns:150px minmax(0,1fr);align-items:center;gap:16px;padding:12px 16px;font-size:14px;display:grid}.doc .status .row:last-child{border-bottom:0}.doc .status .row:hover{background:var(--surface-sunken)}.doc .status .row b{font-weight:600}.doc .status .row span{color:var(--muted-foreground)}.doc .step{margin:18px 0 8px;font-size:14px;font-weight:600;display:block}.doc ul{margin:0 0 8px;padding-left:20px}.doc li{margin:0 0 4px}.doc .code{margin:0 0 12px;position:relative}.doc pre{background:var(--plain);border:1px solid var(--border);border-radius:var(--radius-container);font:13px / 1.6 var(--font-family-code);color:var(--foreground);margin:0;padding:14px 96px 14px 16px;overflow-x:auto}.doc .copy{border:1px solid var(--border);background:var(--surface-raised);height:28px;color:var(--muted-foreground);font:500 12px var(--font-family-body);cursor:pointer;border-radius:999px;padding:0 10px;position:absolute;top:8px;right:8px}.doc .copy:hover{color:var(--foreground)}.doc code{font-size:.92em}.doc p code{overflow-wrap:anywhere}.doc .btn{margin-top:4px}.outline{align-self:start;padding-top:132px;position:sticky;top:24px}.outline .lab{font:500 11px / 1 var(--font-family-code);letter-spacing:.08em;text-transform:uppercase;color:var(--muted-foreground);margin-bottom:12px}.outline a{border-left:2px solid var(--border);color:var(--muted-foreground);padding:6px 0 6px 12px;font-size:13px;line-height:1.4;display:block}.outline a:hover{color:var(--foreground)}.outline a[aria-current=true]{border-color:var(--accent-solid);color:var(--foreground);font-weight:500}.foot{border-top:1px solid var(--border);color:var(--muted-foreground);margin-top:72px;padding:28px 0 32px;font-size:12.5px}.foot .links{flex-wrap:wrap;gap:4px 16px;margin-bottom:18px;display:flex}.foot .links a{color:var(--foreground);font-weight:500}.foot .inc{margin-bottom:16px;display:inline-block}.foot .inc img{background:light-dark(#0000,#fff);border-radius:8px;width:auto;height:36px;padding:6px 10px;display:block}.foot p{margin:0}.foot .disc{max-width:96ch;line-height:1.6}.foot .tm{margin-top:12px}@media (width<=1000px){.scene{height:auto;padding:28px 24px 48px}.turn{grid-template-columns:repeat(4,1fr);width:100%}.turn .rail,.turn .hwline{display:none}.turn .ev-pill:nth-child(odd),.turn .ev-pill:nth-child(2n){transform:none}}@media (width<=1024px){.nav .links{display:none}.nav .more{display:block}}@media (width<=900px){.sec-h{grid-template-columns:1fr;gap:12px}.bento>.tile{grid-area:auto/span 12}.tile.get{flex-direction:column;gap:20px}.get-h{flex-basis:auto}.paths{grid-template-columns:1fr}.reads{grid-template-columns:1fr 1fr}}@media (width<=720px){.wrap{padding:0 20px}.nav .btn,.nav .theme{display:none}.nav .brand{margin-right:0}.lang a,.lang span{padding:5px 8px}.hero{padding-top:40px}.scene{padding:28px 20px 24px}.turn{grid-template-columns:1fr 1fr}.tape-cap{text-align:center;flex-direction:column;gap:8px;margin-top:28px;line-height:1.5;position:static}.tape-cap .hw{margin-left:0}.reads{grid-template-columns:1fr}h2{font-size:28px}.doc{grid-template-columns:minmax(0,1fr);gap:0}.outline{display:none}.doc h1{font-size:32px}.doc .status .row{grid-template-columns:1fr;gap:4px}}