@font-face{font-family:alimamaFangYuan;src:url(../media/AlimamaFangYuanTiVF-s.p.05uy-myst0lx4.woff2)format("woff2");font-display:swap;font-weight:200 700}@font-face{font-family:alimamaFangYuan Fallback;src:local(Arial);ascent-override:77.87%;descent-override:13.74%;line-gap-override:18.32%;size-adjust:109.16%}.alimamafangyuan_6bc316c5-module__oKbEna__className{font-family:alimamaFangYuan,alimamaFangYuan Fallback}.alimamafangyuan_6bc316c5-module__oKbEna__variable{--font-alimama-fangyuan:"alimamaFangYuan", "alimamaFangYuan Fallback"}
@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/5ce348bf30bf5439-s.27spqqad3wyeo.woff2)format("woff2");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;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/4fa387ec64143e14-s.3f4zuumv8svu0.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/6306c77e7c8268e4-s.34r5yzckw0h2s.woff2)format("woff2");unicode-range:U+2000-2001,U+2004-2008,U+200A,U+23B8-23BD,U+2500-259F}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/7d817b4c03b0c5f1-s.2jyz_zw3a8jit.woff2)format("woff2");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;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/bbc41e54d2fcbd21-s.30bdpjkrtcces.woff2)format("woff2");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-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/797e433ab948586e-s.p.1v5bejj26fx9h.woff2)format("woff2");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 Fallback;src:local(Arial);ascent-override:74.67%;descent-override:21.92%;line-gap-override:0.0%;size-adjust:134.59%}.geist_mono_d7036f16-module__V3UVoq__className{font-family:Geist Mono,Geist Mono Fallback;font-style:normal}.geist_mono_d7036f16-module__V3UVoq__variable{--font-geist-mono:"Geist Mono", "Geist Mono Fallback"}
@layer theme{:root,:host{--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-alimama-fangyuan);--default-mono-font-family:var(--font-geist-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.static{position:static}.block{display:block}.contents{display:contents}.flex{display:flex}.table{display:table}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--bg:#000;--bg-1:#08080a;--panel:#0e0e11;--line:#ffffff14;--line-2:#ffffff24;--fg:#f4f4f6;--muted:#9b9ba4;--faint:#63636c;--signal:#e39a2d;--ok:#4ade80;--bad:#f87171;--sans:var(--font-alimama-fangyuan), "PingFang SC", system-ui, sans-serif;--mono:var(--font-geist-mono), "SF Mono", Menlo, monospace;--wrap:1180px;--gutter:16px}html{background:var(--bg);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;scroll-behavior:smooth;-webkit-text-size-adjust:100%}*{scrollbar-width:none;-ms-overflow-style:none}::-webkit-scrollbar{width:0;height:0;display:none}body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-variation-settings:"BEVL" 80;-webkit-font-smoothing:antialiased;line-height:1.65;overflow-x:clip}.wrap{width:min(var(--wrap), 100% - var(--gutter) * 2);margin-inline:auto}.numeric{font-family:var(--sans);letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-weight:300}.site-nav{z-index:50;-webkit-backdrop-filter:blur(16px);padding-top:env(safe-area-inset-top);background:#0009;border-bottom:1px solid #0000;transition:border-color .3s;position:fixed;inset:0 0 auto}.site-nav.scrolled{border-bottom-color:var(--line)}.site-nav .wrap{align-items:center;gap:32px;height:60px;display:flex}.brand{align-items:center;gap:10px;font-size:17px;font-weight:600;display:flex}.brand img{width:26px;height:26px}.site-nav .links{color:var(--muted);gap:28px;font-size:14px;display:flex}.site-nav .links a:hover{color:var(--fg)}.site-nav .right{color:var(--muted);align-items:center;gap:20px;margin-left:auto;font-size:14px;display:flex}.btn{white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;gap:8px;height:44px;padding:0 22px;font-size:15px;font-weight:500;transition:transform .2s,background .2s;display:inline-flex}.btn-light{background:var(--fg);color:#000}.btn-light:hover{transform:translateY(-1px)}.btn-ghost{border:1px solid var(--line-2);color:var(--fg)}.btn-ghost:hover{background:#ffffff0f}.site-nav .btn{height:34px;padding:0 16px;font-size:13px}.hero{text-align:center;padding:150px 0 0;position:relative}.hero:before{content:"";pointer-events:none;background:radial-gradient(60% 50% at 50% 0,#ffffff1a,#0000 70%);height:900px;position:absolute;inset:0 0 auto}.pill{border:1px solid var(--line-2);color:var(--muted);border-radius:999px;align-items:center;gap:10px;padding:6px 14px;font-size:13px;display:inline-flex}.pill .dot{background:var(--signal);width:6px;height:6px;box-shadow:0 0 10px var(--signal);border-radius:50%}.wordmark{letter-spacing:-.04em;color:#0000;background:linear-gradient(#fff 35%,#8e8e98);-webkit-background-clip:text;background-clip:text;margin:30px 0 14px;font-size:clamp(76px,13vw,168px);font-weight:300;line-height:1}.tagline{letter-spacing:.5em;color:var(--muted);padding-left:.5em;font-size:15px}.hero p.lead{max-width:600px;color:var(--muted);margin:26px auto 0;font-size:18px}.hero .ctas{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:36px;display:flex}.hero-stage{perspective:2000px;margin-top:80px;position:relative}.window{border:1px solid var(--line-2);background:var(--panel);border-radius:16px;position:relative;overflow:hidden;box-shadow:0 50px 140px -30px #000000e6}.window .bar{border-bottom:1px solid var(--line);background:#0b0b0d;align-items:center;gap:8px;height:36px;padding:0 14px;display:flex}.window .bar span{background:#2a2a30;border-radius:50%;flex:none;width:10px;height:10px}.window .bar .url{font-family:var(--mono);color:var(--faint);white-space:nowrap;text-overflow:ellipsis;margin-left:14px;font-size:12px;overflow:hidden}@supports (animation-timeline:view()){.hero .window{transform-origin:50% 0;animation:linear both tilt;animation-timeline:view();animation-range:entry cover 45%}}@keyframes tilt{0%{opacity:.5;transform:rotateX(18deg)scale(.92)}to{opacity:1;transform:none}}.hero-stage:after{content:"";background:linear-gradient(transparent, var(--bg));pointer-events:none;height:14%;position:absolute;inset:auto 0 -2px}.live{z-index:2;border:1px solid var(--line-2);color:var(--muted);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000a6;border-radius:999px;align-items:center;gap:8px;padding:6px 12px;font-size:12px;display:flex;position:absolute;top:50px;right:16px}.live i{background:var(--ok);border-radius:50%;width:6px;height:6px;animation:1.6s infinite blink}@keyframes blink{50%{opacity:.25}}.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);z-index:1;grid-template-columns:repeat(4,1fr);display:grid;position:relative}.stats div{text-align:left;padding:28px 24px}.stats div+div{border-left:1px solid var(--line)}.stats b{font-size:46px;line-height:1.1;display:block}.stats span{color:var(--muted);font-size:13px}section{position:relative}.chapter{padding:180px 0 40px}.chap-head{color:var(--faint);font-family:var(--mono);letter-spacing:.22em;align-items:baseline;gap:16px;font-size:12px;display:flex}.chap-head b{color:var(--fg);font-family:var(--sans);letter-spacing:-.02em;font-size:52px;font-weight:300;line-height:1}h2{letter-spacing:-.02em;margin-top:22px;font-size:clamp(34px,5.4vw,66px);font-weight:600;line-height:1.16}h2 em{color:var(--muted);font-style:normal}p.sub{color:var(--muted);max-width:620px;margin-top:20px;font-size:18px}p.sub.sm{font-size:16px}.sect-block{padding:110px 0 0}.split{grid-template-columns:5fr 7fr;align-items:center;gap:64px;display:grid}.split.rev{grid-template-columns:7fr 5fr}.split.rev>:first-child{order:2}.split.even{grid-template-columns:1fr 1fr;align-items:start}.eyebrow{letter-spacing:.3em;color:var(--faint);font-size:12px;font-family:var(--mono);text-transform:uppercase}h3{letter-spacing:-.01em;margin-top:14px;font-size:clamp(26px,3.2vw,38px);font-weight:600;line-height:1.25}.note{color:var(--faint);margin-top:16px;font-size:13px}@keyframes reveal{0%{opacity:0;transform:translateY(32px)}to{opacity:1;transform:none}}@supports (animation-timeline:view()){.reveal{animation:linear both reveal;animation-timeline:view();animation-range:entry calc(var(--i,0) * 30px) cover calc(28% + var(--i,0) * 30px)}}@supports not (animation-timeline:view()){.reveal{opacity:0;transition:opacity .9s cubic-bezier(.22,1,.36,1),transform .9s cubic-bezier(.22,1,.36,1);transition-delay:calc(var(--i,0) * 80ms);transform:translateY(28px)}.reveal.in{opacity:1;transform:none}@media (scripting:none){.reveal{opacity:1;transform:none}}}@keyframes fade-up{0%{opacity:0;filter:blur(6px);transform:translateY(18px)}to{opacity:1;filter:blur();transform:none}}@keyframes wordmark-in{0%{opacity:0;letter-spacing:.3em;filter:blur(10px)}to{opacity:1;letter-spacing:-.04em;filter:blur()}}@keyframes glow-in{0%{opacity:0}to{opacity:1}}.fade-up{animation:1.1s cubic-bezier(.22,1,.36,1) both fade-up;animation-delay:var(--d,0s)}.hero .wordmark{animation:2.2s cubic-bezier(.16,1,.3,1) .25s both wordmark-in}.hero:before{animation:2.6s ease-out both glow-in}@keyframes rise{0%{opacity:0;transform:translateY(44px)}to{opacity:1;transform:none}}.rise{animation:1.5s cubic-bezier(.22,1,.36,1) both rise;animation-delay:var(--d,0s)}.shot{border:1px solid var(--line-2);background:var(--panel);border-radius:14px;overflow:hidden;box-shadow:0 40px 100px -40px #000000e6}.shot img{width:100%;height:auto}.annot{position:relative}.pin{align-items:center;gap:10px;display:flex;position:absolute;transform:translate(-12px,-50%)}.pin i{background:var(--fg);color:#000;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-size:12px;font-style:normal;font-weight:600;animation:2.4s infinite ping;display:grid}@keyframes ping{75%,to{opacity:0;transform:scale(2)}}.pin span{white-space:nowrap;border:1px solid var(--line-2);background:#0a0a0ceb;border-radius:8px;padding:6px 12px;font-size:13px}.legend{gap:10px;margin-top:18px;list-style:none;display:none}.legend li{color:var(--muted);align-items:baseline;gap:12px;font-size:15px;display:flex}.legend li b{background:var(--fg);color:#000;border-radius:50%;flex:none;place-items:center;width:22px;height:22px;font-size:12px;display:grid}.replace{grid-template-columns:1fr 1.25fr;align-items:stretch;gap:28px;margin-top:64px;display:grid}.old-list{border:1px solid var(--line);background:var(--bg-1);border-radius:16px;padding:8px 0;list-style:none}.old-list .t{color:var(--faint);padding:14px 24px 6px;font-size:13px}.old-list li{border-top:1px solid var(--line);justify-content:space-between;gap:16px;padding:14px 24px;font-size:15px;display:flex}.old-list .t+li{border-top:0}.old-list li s{color:var(--muted);text-decoration-color:#f8717199}.old-list li code{font-family:var(--mono);color:var(--faint);white-space:nowrap;font-size:12px}.code{border:1px solid var(--line);background:var(--bg-1);font-family:var(--mono);border-radius:16px;flex-direction:column;min-width:0;font-size:14px;display:flex;overflow:hidden}.code .head{border-bottom:1px solid var(--line);color:var(--faint);justify-content:space-between;padding:14px 20px;font-size:12px;display:flex}.code pre{flex:1;padding:18px 0;font-family:inherit;line-height:1.9;overflow-x:auto}.code .ln{white-space:pre;padding:0 20px;display:block}.code .del{color:#fca5a5;background:#f8717114}.code .add{color:#86efac;background:#4ade8014}.code .c{color:var(--faint)}.code .ln.step{transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1);transition-delay:var(--d,0s)}.code pre:not(.play) .ln.step{opacity:0;transform:translate(-12px)}@media (scripting:none){.code pre .ln.step{opacity:1;transform:none}}.code .foot{border-top:1px solid var(--line);font-family:var(--sans);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.code .foot b{font-size:42px;line-height:1}.router{border:1px solid var(--line);background:var(--bg-1);border-radius:18px;padding:22px;font-size:14px}.router .req{background:var(--panel);border:1px solid var(--line);font-family:var(--mono);border-radius:12px;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 14px;font-size:13px;display:flex}.router .req .k{color:var(--faint);font-family:var(--sans);margin-left:auto}.tag{font-family:var(--mono);border:1px solid var(--line-2);color:var(--muted);border-radius:6px;padding:2px 8px;font-size:11px}.cands{gap:10px;margin-top:14px;display:grid}.cand{border:1px solid var(--line);border-radius:12px;grid-template-columns:24px minmax(0,1fr) 72px 120px;align-items:center;gap:14px;padding:14px 16px;transition:border-color .35s,background .35s,opacity .35s;display:grid}.cand img{object-fit:contain;width:22px;height:22px}.cand .name{white-space:nowrap;text-overflow:ellipsis;font-size:15px;overflow:hidden}.cand .name small{color:var(--faint);font-family:var(--mono);text-overflow:ellipsis;font-size:11px;display:block;overflow:hidden}.cand .bar{background:#ffffff12;border-radius:4px;height:4px;overflow:hidden}.cand .bar i{background:var(--fg);width:0;height:100%;transition:width .9s cubic-bezier(.22,1,.36,1);display:block}.cand .state{text-align:right;font-family:var(--mono);color:var(--faint);white-space:nowrap;font-size:12px}.cand.try{border-color:var(--line-2);background:#ffffff08}.cand.fail{border-color:#f8717159}.cand.fail .state{color:var(--bad)}.cand.ok{background:#4ade800a;border-color:#4ade8066}.cand.ok .state{color:var(--ok)}.cand.cool{opacity:.45}.factors li b{font-family:var(--mono);color:var(--faint);margin-right:6px;font-weight:400}.proto{border:1px solid var(--line);background:var(--bg-1);border-radius:18px;overflow:hidden}.tabs{border-bottom:1px solid var(--line);scrollbar-width:none;display:flex;overflow-x:auto}.tabs::-webkit-scrollbar{display:none}.tabs button{color:var(--muted);font:inherit;cursor:pointer;border:0;border-right:1px solid var(--line);white-space:nowrap;background:0 0;flex:1 0 auto;padding:16px 18px;font-size:14px}.tabs button:last-child{border-right:0}.tabs button.on{color:var(--fg);box-shadow:inset 0 -2px 0 var(--fg);background:#ffffff0a}.proto-body{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);display:grid}.proto-body pre{font-family:var(--mono);color:#d4d4d8;white-space:pre;min-height:250px;padding:22px;font-size:13px;line-height:1.75;overflow-x:auto}.proto-body .lab{letter-spacing:.18em;color:var(--faint);font-size:11px;font-family:var(--sans);margin-bottom:10px;display:block}.proto-body .mid{color:var(--faint);border-inline:1px solid var(--line);justify-content:center;align-items:center;padding:0 8px;font-size:18px;display:flex}.day{gap:140px;margin-top:70px;display:grid}.scene{grid-template-columns:4fr 7fr;align-items:center;gap:64px;display:grid}.scene:nth-child(2n){grid-template-columns:7fr 4fr}.scene:nth-child(2n)>.txt{order:2}.time{font-size:60px;line-height:1}.time small{color:var(--faint);letter-spacing:0;margin-left:12px;font-size:14px;font-weight:400}.scene h3{margin-top:18px;font-size:28px}.scene p{color:var(--muted);margin-top:12px}.details-grid{border:1px solid var(--line);border-radius:18px;grid-template-columns:repeat(4,1fr);margin-top:64px;display:grid;overflow:clip}.details-grid div{box-shadow:inset -1px -1px 0 var(--line);padding:28px 24px}.details-grid b{font-size:17px;font-weight:600;display:block}.details-grid span{color:var(--muted);margin-top:8px;font-size:14px;display:block}.term{border:1px solid var(--line);background:var(--bg-1);font-family:var(--mono);border-radius:16px;padding:24px 0;font-size:15px;line-height:2;overflow-x:auto}.term div{white-space:pre;padding:0 28px}.term .p{color:var(--faint)}.term .g{color:#86efac}.where-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px;display:grid}.where-grid div{border:1px solid var(--line);border-radius:14px;padding:22px}.where-grid b{font-size:16px;display:block}.where-grid span{color:var(--muted);font-size:13px}.final{text-align:center;padding:220px 0 160px;position:relative}.final:before{content:"";pointer-events:none;background:radial-gradient(50% 45% at 50% 60%,#ffffff14,#0000 70%);position:absolute;inset:0}.final h2{font-size:clamp(40px,6vw,80px)}.final p.sub{margin-inline:auto}.final .ctas{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:40px;display:flex}.quote{color:var(--faint);font-family:var(--mono);letter-spacing:.3em;margin-top:120px;font-size:13px}.site-footer{border-top:1px solid var(--line);padding:72px 0 calc(40px + env(safe-area-inset-bottom));font-size:14px}.foot-top{grid-template-columns:1.4fr repeat(3,1fr);gap:40px;display:grid}.foot-brand p{color:var(--muted);max-width:300px;margin-top:16px;line-height:1.75}.foot-col h4{font-family:var(--mono);letter-spacing:.2em;color:var(--faint);margin-bottom:18px;font-size:12px;font-weight:400}.foot-col a{color:var(--muted);padding:5px 0;transition:color .2s;display:block}.foot-col a:hover{color:var(--fg)}.foot-legal{border-top:1px solid var(--line);color:var(--faint);gap:6px;margin-top:64px;padding-top:28px;font-size:12.5px;line-height:1.8;display:grid}.foot-bottom{color:var(--faint);justify-content:space-between;align-items:center;gap:16px;margin-top:28px;font-size:13px;display:flex}.foot-bottom .meta{flex-wrap:wrap;gap:20px;display:flex}.foot-bottom .meta a:hover{color:var(--muted)}.lang{position:relative}.lang>button{border:1px solid var(--line-2);height:38px;color:var(--muted);font:inherit;cursor:pointer;background:0 0;border-radius:999px;align-items:center;gap:8px;padding:0 14px;font-size:13px;display:inline-flex}.lang>button:hover,.lang.open>button{color:var(--fg);border-color:#ffffff3d}.lang svg{width:15px;height:15px}.lang .chev{width:12px;height:12px;transition:transform .2s}.lang.open .chev{transform:rotate(180deg)}.lang ul{border:1px solid var(--line-2);opacity:0;pointer-events:none;background:#0c0c0f;border-radius:12px;min-width:160px;padding:6px;list-style:none;transition:opacity .18s,transform .18s;position:absolute;bottom:calc(100% + 8px);right:0;transform:translateY(6px);box-shadow:0 20px 50px -10px #000c}.lang.open ul{opacity:1;pointer-events:auto;transform:none}.lang li a{width:100%;color:var(--muted);border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:9px 12px;font-size:14px;display:flex}.lang li a:hover{color:var(--fg);background:#ffffff0d}.lang li a[aria-checked=true]{color:var(--fg)}.lang li a[aria-checked=true]:after{content:"✓";font-size:12px}.hero-meta{font-family:var(--mono);color:var(--faint);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 22px;margin-top:26px;font-size:12.5px;display:flex}.hero-meta a{align-items:center;gap:6px;transition:color .2s;display:inline-flex}.hero-meta a:hover{color:var(--muted)}.hero-meta b{color:var(--muted);font-variant-numeric:tabular-nums;font-weight:400}.compose{border:1px solid var(--line);background:var(--bg-1);border-radius:16px;margin-top:24px;overflow:hidden}.compose-head{border-bottom:1px solid var(--line);font-family:var(--mono);color:var(--faint);justify-content:space-between;align-items:center;gap:12px;padding:10px 12px 10px 20px;font-size:12px;display:flex}.copy-btn{border:1px solid var(--line-2);height:32px;color:var(--muted);font-family:var(--sans);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:6px;padding:0 12px;font-size:12px;transition:color .2s,border-color .2s;display:inline-flex}.copy-btn:hover{color:var(--fg);border-color:#ffffff47}.copy-btn[data-state=copied]{color:var(--ok);border-color:#4ade8066}.copy-btn[data-state=failed]{color:var(--bad);border-color:#f8717166}.copy-btn svg{width:14px;height:14px}.compose pre{font-family:var(--mono);padding:18px 0;font-size:13px;line-height:1.8;overflow-x:auto}.compose pre code{min-width:max-content;display:block}.compose .cl{white-space:pre;color:var(--muted);padding:0 20px;display:block}.compose .cl i{text-align:right;width:22px;color:var(--faint);opacity:.6;-webkit-user-select:none;user-select:none;margin-right:14px;font-style:normal;display:inline-block}.compose .k{color:#e4e4e7}.compose .c{color:var(--faint)}.compose .li{color:#86efac}.compose-foot{border-top:1px solid var(--line);color:var(--faint);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:14px 20px;font-size:13px;display:flex}.compose-foot a{color:var(--muted);transition:color .2s}.compose-foot a:hover{color:var(--fg)}.tips{grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px;display:grid}.tips b{font-size:16px;font-weight:600;display:block}.tips span{color:var(--muted);margin-top:8px;font-size:14px;display:block}.faq-list{border-top:1px solid var(--line);margin-top:64px}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;justify-content:space-between;align-items:center;gap:20px;padding:22px 4px;font-size:18px;font-weight:500;list-style:none;transition:color .2s;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:hover{color:#fff}.faq-list summary:after{content:"+";font-family:var(--mono);color:var(--faint);flex:none;font-size:22px;line-height:1;transition:transform .25s,color .2s}.faq-list details[open] summary:after{color:var(--fg);transform:rotate(45deg)}.faq-list details p{max-width:760px;color:var(--muted);padding:0 4px 26px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--fg);outline-offset:3px;border-radius:8px}.btn:focus-visible{border-radius:999px}@media (max-width:960px){.tips{grid-template-columns:1fr;gap:24px}}@media (max-width:640px){.hero-meta{margin-top:22px}.compose pre{font-size:12px}.compose .cl{padding:0 16px}.faq-list{margin-top:40px}.faq-list summary{padding:18px 2px;font-size:16px}.tips{margin-top:40px}}@media (max-width:960px){.site-nav .links{display:none}.split,.split.rev,.split.even,.replace,.scene,.scene:nth-child(2n){grid-template-columns:minmax(0,1fr);gap:32px}.split.rev>:first-child,.scene:nth-child(2n)>.txt{order:0}.details-grid,.where-grid{grid-template-columns:repeat(2,1fr)}.foot-top{grid-template-columns:repeat(3,1fr)}.foot-brand{grid-column:1/-1}.chapter{padding-top:130px}.sect-block{padding-top:80px}.day{gap:96px}.proto-body{grid-template-columns:minmax(0,1fr)}.proto-body .mid{border:0;border-block:1px solid var(--line);padding:6px}.proto-body .mid:before{content:"↓"}.proto-body .mid>span{display:none}.proto-body pre{min-height:0}}@media (max-width:640px){.site-nav .right>a:first-child{display:none}.hero{padding-top:112px}.hero:before{background:radial-gradient(90% 45% at 50% 0,#ffffff1a,#0000 70%);height:600px}.pill{padding:5px 12px;font-size:12px}.wordmark{margin-top:24px}.tagline{letter-spacing:.4em;font-size:13px}.hero p.lead{margin-top:20px;font-size:16px}.hero .ctas{flex-direction:column;align-items:stretch;margin-top:28px}.hero-stage{perspective:none;margin-top:48px}.hero .window{animation:none}.window{border-radius:12px}.window .bar{height:30px}.window .bar span{width:8px;height:8px}.live{padding:4px 10px;font-size:11px;top:40px;right:10px}.stats{grid-template-columns:repeat(2,1fr)}.stats div{padding:20px 16px}.stats div:nth-child(3){border-left:0}.stats div:nth-child(n+3){border-top:1px solid var(--line)}.stats b{font-size:36px}.chapter{padding-top:104px}.chap-head b{font-size:40px}h2{margin-top:16px;font-size:clamp(28px,8.2vw,36px)}p.sub{margin-top:14px;font-size:16px}p.sub.sm{font-size:15px}.sect-block{padding-top:64px}h3{font-size:24px}.shot{border-radius:10px}.replace{gap:16px;margin-top:40px}.old-list li{padding:12px 18px;font-size:14px}.old-list .t{padding:12px 18px 4px}.code{font-size:12px}.code .ln{padding:0 16px}.code .foot b{font-size:34px}.router{padding:14px}.router .req{font-size:12px}.router .req .k{width:100%;margin-left:0;font-size:12px}.cand{grid-template-columns:20px minmax(0,1fr) auto;gap:10px;padding:12px}.cand .bar{display:none}.cand .name{font-size:14px}.proto-body pre{padding:16px;font-size:12px}.tabs button{padding:14px 16px;font-size:13px}.pin{display:none}.legend{display:grid}.day{gap:72px;margin-top:48px}.scene{gap:20px}.time{font-size:44px}.scene h3{margin-top:12px;font-size:22px}.scene p{font-size:15px}.details-grid{margin-top:40px}.details-grid div{padding:20px 16px}.details-grid b{font-size:15px}.details-grid span{font-size:13px}.term{padding:18px 0;font-size:12px}.term div{padding:0 18px}.where-grid div{padding:16px}.final{padding:140px 0 110px}.final .ctas{flex-direction:column;align-items:stretch}.quote{margin-top:80px}.site-footer{padding-top:56px}.foot-top{grid-template-columns:repeat(2,1fr);gap:32px 20px}.foot-legal{margin-top:44px}.foot-bottom{flex-direction:column-reverse;align-items:flex-start;gap:20px}.lang ul{left:0;right:auto}}@media (max-width:380px){.details-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.reveal,.fade-up,.rise,.hero .wordmark,.hero:before,.hero .window{opacity:1;filter:none;transition:none;animation:none;transform:none}.hero .wordmark{letter-spacing:-.04em}.pin i,.live i{animation:none}.code .ln.step{transition:none}}.window .stage{aspect-ratio:16/9;background:#050506;position:relative}.window .stage .poster,.window .stage .poster picture,.window .stage .poster img{width:100%;height:100%;position:absolute;inset:0}.window .stage .poster{box-shadow:none;background:0 0;border:0;border-radius:0}.window .stage .poster img{object-fit:cover}.window .stage video{object-fit:cover;background:0 0;width:100%;height:100%;position:absolute;inset:0}@media (max-width:640px){.window .stage{aspect-ratio:10/9}}.factors{flex-wrap:wrap;gap:8px;list-style:none;display:flex}.factors li{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:8px 14px;font-size:13px}.mt20{margin-top:20px}.proto-wrap{margin-top:32px}.narrow{max-width:640px}.mt36{margin-top:36px}