:root{--bg: #1a1816;--surface: #22201d;--inset: #151412;--raised: #2e2b27;--band: #151412;--border: #36332e;--border-strong: #47433c;--line: #2e2b27;--text: #eeeae2;--muted: #a39c90;--faint: #8a8378;--accent: #ed986e;--accent-fill: #ed986e;--accent-fill-hover: #f2a67f;--on-accent: #291b14;--button: #eeeae2;--on-button: #1f1d1a;--button-hover: #ffffff;--ok: #79bea1;--danger: #e58f95;--code-bg: #151412;--code-text: #e2dcd2;--code-punctuation: #8f887d;--code-comment: #8a8378;--code-keyword: #e8a77f;--code-string: #9fc58a;--code-function: #94b9e0;--code-type: #d9c288;--code-number: #e2b27a;--code-property: #d6b089;--dot: rgb(238 234 226 / 7%);--grid: rgb(238 234 226 / 4.5%);--selection: rgb(237 152 110 / 24%);--shadow-window: 0 24px 64px -36px rgb(0 0 0 / 58%);--shadow-menu: 0 10px 30px -22px rgb(0 0 0 / 48%);--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, "Cascadia Mono", Consolas, monospace;--nav-height: 60px;color-scheme:dark}html[data-theme=light]{--bg: #f5f3ef;--surface: #fefefd;--inset: #f2efea;--raised: #fcfbf9;--band: #efede8;--border: #dbd7ce;--border-strong: #c6c1b6;--line: #e5e1d9;--text: #2d2b27;--muted: #72726a;--faint: #736e64;--accent: #b24318;--accent-fill: #b24318;--accent-fill-hover: #993a13;--on-accent: #ffffff;--button: #2d2b27;--on-button: #ffffff;--button-hover: #1f1d1a;--ok: #047857;--danger: #b4444c;--code-bg: #f2efea;--code-text: #3a3631;--code-punctuation: #66665e;--code-comment: #6b665d;--code-keyword: #a44a1c;--code-string: #466d2e;--code-function: #305e9c;--code-type: #7b5c15;--code-number: #9a5a1e;--code-property: #82602a;--dot: rgb(45 43 39 / 8%);--grid: rgb(45 43 39 / 5%);--selection: rgb(189 72 27 / 18%);--shadow-window: 0 24px 60px -40px rgb(45 40 30 / 26%);--shadow-menu: 0 10px 28px -22px rgb(45 40 30 / 20%);color-scheme:light}*,*:before,*:after{box-sizing:border-box}html{scroll-padding-top:calc(var(--nav-height) + 18px)}@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}body{margin:0;min-width:320px;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{background:var(--selection)}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}img,svg{display:block}p,h1,h2,h3,h4,pre{margin:0}ul,ol{margin:0;padding:0;list-style:none}code{font-family:var(--font-mono)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.container{width:min(1240px,calc(100% - 48px));margin-inline:auto}.skip-link{position:fixed;top:-80px;left:16px;z-index:100;padding:10px 14px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font-size:13px;transition:top .15s ease}.skip-link:focus{top:12px}.accent{color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 16px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--text);font-size:13.5px;font-weight:600;line-height:1;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease,filter .15s ease}.btn svg{flex:none}.btn--primary{background:var(--button);color:var(--on-button)}.btn--primary:hover{background:var(--button-hover)}.btn--secondary{border-color:var(--border);color:var(--text)}.btn--secondary:hover{background:var(--raised);border-color:var(--border-strong)}.btn--accent{background:var(--accent-fill);color:var(--on-accent)}.btn--accent:hover{background:var(--accent-fill-hover)}.copy-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:28px;padding:0 8px;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--muted);font-size:11.5px;font-weight:500;cursor:pointer;transition:color .15s ease,background-color .15s ease,border-color .15s ease}.copy-button:hover{border-color:var(--border);background:var(--raised);color:var(--text)}.nav{position:sticky;top:0;z-index:50;height:var(--nav-height);border-bottom:1px solid var(--line);background:var(--bg)}.nav__inner{display:flex;align-items:center;gap:18px;height:100%}.brand{display:flex;flex:none;align-items:center;gap:9px;min-width:0}.brand__logo{width:26px;height:26px}.brand__name{font-size:15px;font-weight:650;letter-spacing:-.015em}.brand__tag{margin-left:2px;padding-left:11px;border-left:1px solid var(--line);color:var(--faint);font-family:var(--font-mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}.nav__links{display:flex;align-items:center;gap:2px;margin-left:auto}.nav__links a{padding:8px 10px;border-radius:7px;color:var(--muted);font-size:13px;font-weight:500;transition:color .15s ease,background-color .15s ease}.nav__links a:hover{background:var(--raised);color:var(--text)}.nav__actions{display:flex;align-items:center;gap:7px}.theme-switch{display:flex;gap:2px;padding:2px;border:1px solid var(--border);border-radius:8px;background:var(--inset)}.theme-switch__button{display:grid;place-items:center;width:25px;height:23px;border:0;border-radius:6px;background:transparent;color:var(--faint);cursor:pointer;transition:color .15s ease,background-color .15s ease}.theme-switch__button:hover{color:var(--text)}.theme-switch__button[aria-pressed=true]{background:var(--raised);color:var(--text)}.lang-switch{height:29px;padding:0 8px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--muted);font-family:var(--font-mono);font-size:10px;letter-spacing:.04em;cursor:pointer;transition:color .15s ease,border-color .15s ease}.lang-switch:hover{border-color:var(--border-strong);color:var(--text)}.nav__github{display:flex;align-items:center;gap:6px;height:29px;padding:0 9px;border:1px solid var(--border);border-radius:8px;color:var(--muted);font-size:12px;font-weight:500;transition:color .15s ease,border-color .15s ease}.nav__github:hover{border-color:var(--border-strong);color:var(--text)}.nav__github span{white-space:nowrap}.nav__burger{display:none;place-items:center;width:32px;height:29px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--muted);cursor:pointer}.nav__burger:hover{color:var(--text)}.hero{position:relative;isolation:isolate;overflow:hidden}.hero:before{position:absolute;z-index:-1;inset:0;background-image:radial-gradient(var(--dot) 1px,transparent 1px);background-size:26px 26px;-webkit-mask-image:radial-gradient(120% 90% at 72% 6%,#000 0%,transparent 68%);mask-image:radial-gradient(120% 90% at 72% 6%,#000 0%,transparent 68%);pointer-events:none;content:""}.hero__inner{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);align-items:center;gap:clamp(36px,5.4vw,78px);padding-top:clamp(64px,8.4vw,108px);padding-bottom:clamp(56px,7vw,92px)}.hero__copy{min-width:0;max-width:620px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 10px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--muted);font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase}.eyebrow i{width:5px;height:5px;border-radius:50%;background:var(--accent)}.hero h1{margin-top:22px;font-size:clamp(3rem,5.9vw,4.7rem);font-weight:700;letter-spacing:-.05em;line-height:.98;text-wrap:balance}.hero__lead{max-width:36rem;margin-top:24px;color:var(--muted);font-size:17px;line-height:1.65;text-wrap:pretty}.hero__points{display:grid;gap:10px;margin-top:26px}.hero__point{display:grid;grid-template-columns:16px minmax(0,1fr);align-items:baseline;gap:10px;color:var(--muted);font-size:14px;line-height:1.55}.hero__point-dot{width:5px;height:5px;border:1px solid var(--accent);border-radius:50%;transform:translateY(-2px)}.hero__point strong{color:var(--text);font-weight:600}.hero__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.hero__runs{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:26px;color:var(--faint);font-family:var(--font-mono);font-size:9.5px;letter-spacing:.09em;text-transform:uppercase}.hero__runs ul{display:flex;flex-wrap:wrap;gap:4px}.hero__runs li{padding:3px 7px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-family:var(--font-sans);font-size:11px;font-weight:500;letter-spacing:0;text-transform:none}.hero__command-wrap{margin-top:26px}.hero__command-label{display:block;margin-bottom:7px;color:var(--faint);font-family:var(--font-mono);font-size:9px;letter-spacing:.09em;text-transform:uppercase}.hero__command{display:inline-flex;align-items:center;gap:9px;max-width:100%;height:36px;padding:0 6px 0 12px;border:1px solid var(--line);border-radius:9px;background:var(--inset);color:var(--muted);font-family:var(--font-mono);font-size:11.5px}.hero__prompt{color:var(--accent)}.hero__command code{overflow:hidden;color:var(--text);white-space:nowrap;text-overflow:ellipsis}.hero__command .copy-button{margin-left:2px}.stage{min-width:0;width:100%;max-width:590px;justify-self:end;scroll-margin-top:calc(var(--nav-height) + 24px)}.stage__window{overflow:hidden;width:100%;border:1px solid var(--border);border-radius:18px;background:var(--surface);box-shadow:var(--shadow-window)}.stage__bar{display:flex;align-items:center;gap:9px;height:39px;padding:0 12px;border-bottom:1px solid var(--line);background:var(--surface)}.stage__dots{display:flex;gap:5px}.stage__dots i{width:6px;height:6px;border-radius:50%;background:var(--faint);opacity:.55}.stage__file{color:var(--muted);font-family:var(--font-mono);font-size:10.5px}.stage__badge{display:inline-flex;align-items:center;gap:5px;margin-left:auto;padding:2px 7px;border:1px solid var(--line);border-radius:999px;color:var(--faint);font-family:var(--font-mono);font-size:9px;letter-spacing:.08em;text-transform:uppercase}.stage__badge i{width:4px;height:4px;border-radius:50%;background:currentColor}.stage__badge.is-ready{border-color:color-mix(in srgb,var(--ok) 24%,var(--border));color:var(--ok)}.stage__screen{position:relative;isolation:isolate;overflow:hidden;aspect-ratio:10 / 11;background:var(--inset)}.stage__screen iframe{display:block;width:100%;height:100%;border:0;background:var(--bg);opacity:0;visibility:hidden}.stage__screen.is-ready iframe{visibility:visible;opacity:1;transition:opacity .25s ease}.stage__overlay{position:absolute;z-index:1;inset:0;display:grid;place-content:center;justify-items:center;overflow:auto;padding:clamp(22px,4vw,38px);background-color:var(--surface);background-image:radial-gradient(var(--dot) 1px,transparent 1px);background-size:20px 20px;text-align:center}.stage__overlay--idle{gap:10px}.stage__overlay--idle>img{margin-bottom:2px}.stage__kicker{color:var(--accent);font-family:var(--font-mono);font-size:9.5px;letter-spacing:.13em;text-transform:uppercase}.stage__title{max-width:22ch;font-size:1.32rem;font-weight:650;letter-spacing:-.025em;line-height:1.25;text-wrap:balance}.stage__body{max-width:37ch;color:var(--muted);font-size:13px;line-height:1.6}.stage__meta{margin-top:2px;color:var(--faint);font-family:var(--font-mono);font-size:10px;line-height:1.6}.stage__overlay--idle .btn{margin-top:8px}.stage__note{max-width:40ch;color:var(--faint);font-size:11px;line-height:1.55}.stage__overlay--loading{gap:12px}.stage__phase{color:var(--accent);font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase}.stage__percent{color:var(--text);font-size:3rem;font-weight:650;letter-spacing:-.05em;line-height:1;font-variant-numeric:tabular-nums}.stage__percent span{margin-left:3px;color:var(--faint);font-size:1.1rem;font-weight:500;letter-spacing:0}.stage__progress{width:min(100%,300px);height:3px;overflow:hidden;border-radius:99px;background:var(--line)}.stage__progress span{display:block;height:100%;border-radius:inherit;background:var(--accent);transition:width .18s linear}.stage__detail{color:var(--muted);font-family:var(--font-mono);font-size:10px;font-variant-numeric:tabular-nums}.stage__steps{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px;margin-top:4px;color:var(--faint);font-size:11px}.stage__steps li{display:flex;align-items:center;gap:6px}.stage__steps i{width:5px;height:5px;border:1px solid currentColor;border-radius:50%}.stage__steps .is-current{color:var(--text)}.stage__steps .is-current i{border-color:var(--accent);background:var(--accent)}.stage__steps .is-done{color:var(--muted)}.stage__steps .is-done i{border-color:var(--muted);background:var(--muted)}.stage__cancel{padding:0;border:0;background:none;color:var(--faint);font-size:11.5px;cursor:pointer;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--border-strong)}.stage__cancel:hover{color:var(--text)}.stage__overlay--error{gap:10px}.stage__error-mark{display:grid;place-items:center;width:42px;height:42px;margin-bottom:4px;border:1px solid color-mix(in srgb,var(--danger) 26%,var(--border));border-radius:50%;color:var(--danger)}.stage__error-detail{max-width:42ch;color:var(--danger);font-family:var(--font-mono);font-size:10px;line-height:1.5;overflow-wrap:anywhere}.stage__error-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:6px}.stage__caption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 16px;margin-top:11px;padding:0 2px;color:var(--faint);font-size:11.5px;line-height:1.5}.stage__caption a{display:inline-flex;align-items:center;gap:4px;color:var(--muted);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--border-strong)}.stage__caption a:hover{color:var(--text)}.stage__caption-note{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.08em}.section{position:relative;padding:clamp(64px,8vw,104px) 0;border-top:1px solid var(--line)}.section--band{background:var(--band)}.section__head{max-width:48rem;margin-bottom:clamp(34px,4.5vw,54px)}.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}.kicker:before{width:14px;height:1px;background:currentColor;opacity:.7;content:""}.section__head h2,.open__intro h2{margin-top:14px;font-size:clamp(2rem,3.7vw,2.95rem);font-weight:650;letter-spacing:-.04em;line-height:1.05;text-wrap:balance}.section__head p{max-width:43rem;margin-top:17px;color:var(--muted);font-size:16px;line-height:1.65;text-wrap:pretty}.section__footnote{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;margin-top:24px;color:var(--faint);font-size:12.5px}.section__footnote a{color:var(--muted);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--border-strong)}.section__footnote a:hover{color:var(--text)}.flow{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);align-items:stretch;gap:12px}.flow__node{display:flex;flex-direction:column;gap:4px;padding:18px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.flow__node--batch{background:var(--inset)}.flow__label{color:var(--accent);font-family:var(--font-mono);font-size:9.5px;letter-spacing:.09em;text-transform:uppercase}.flow__title{font-size:15px;font-weight:600;letter-spacing:-.01em}.flow__body{color:var(--muted);font-family:var(--font-mono);font-size:10.5px}.flow__arrow{display:grid;place-items:center;color:var(--faint)}.flow__note{margin:18px 0 42px;color:var(--faint);font-size:12px;line-height:1.6}.layers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line)}.layer{padding:26px 32px 0 0;border-right:1px solid var(--line)}.layer+.layer{padding-left:32px}.layer:last-child{padding-right:0;border-right:0}.layer__n{color:var(--accent);font-family:var(--font-mono);font-size:10px;letter-spacing:.08em}.layer h3{margin-top:12px;font-size:16px;font-weight:600;letter-spacing:-.015em}.layer p{margin-top:9px;color:var(--muted);font-size:13.5px;line-height:1.65}.platforms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;overflow:hidden;border:1px solid var(--border);border-radius:14px;background:var(--line)}.platform{display:flex;flex-direction:column;min-height:196px;padding:22px;background:var(--surface)}.platform__top{display:flex;align-items:center;justify-content:space-between;gap:12px}.platform__icon{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--line);border-radius:8px;background:var(--inset);color:var(--muted);transition:color .15s ease}.platform:hover .platform__icon{color:var(--accent)}.platform__status{display:inline-flex;align-items:center;gap:5px;color:var(--faint);font-family:var(--font-mono);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase}.platform__status i{width:4px;height:4px;border-radius:50%;background:var(--ok)}.platform h3{margin-top:18px;font-size:17px;font-weight:600;letter-spacing:-.02em}.platform__stack{margin-top:5px;color:var(--muted);font-family:var(--font-mono);font-size:10.5px;line-height:1.5}.platform__body{margin-top:12px;color:var(--muted);font-size:13px;line-height:1.6}.platform__command{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line);color:var(--faint);font-family:var(--font-mono);font-size:9.5px}.platform__command code{color:var(--muted);font-size:10.5px;overflow-wrap:anywhere}.code-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start;gap:clamp(36px,5.5vw,84px)}.code-aside .section__head{margin-bottom:26px}.code-aside__list{border-top:1px solid var(--line)}.code-aside__item{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;padding:17px 0;border-bottom:1px solid var(--line)}.code-aside__n{color:var(--accent);font-family:var(--font-mono);font-size:9.5px;letter-spacing:.07em}.code-aside__title{font-size:14px;font-weight:600;letter-spacing:-.01em}.code-aside__body{margin-top:5px;color:var(--muted);font-size:13px;line-height:1.6}.code-aside__more{display:inline-flex;align-items:center;gap:6px;margin-top:20px;color:var(--text);font-size:13px;font-weight:600}.code-aside__more:hover{color:var(--accent)}.code-panel{overflow:hidden;border:1px solid var(--border);border-radius:14px;background:var(--code-bg)}.code-panel__bar{display:flex;align-items:center;gap:3px;height:44px;padding:0 8px;border-bottom:1px solid var(--line);background:var(--surface)}.code-panel__tabs{display:flex;gap:3px}.code-panel__tab{padding:6px 9px;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--muted);font-family:var(--font-mono);font-size:11px;cursor:pointer}.code-panel__tab:hover{color:var(--text)}.code-panel__tab[aria-selected=true]{border-color:var(--line);background:var(--code-bg);color:var(--text)}.code-panel__bar .copy-button{margin-left:auto}.code-panel__code{overflow:auto;margin:0;padding:18px 20px;color:var(--code-text);background:transparent;font-family:var(--font-mono);font-size:12.25px;line-height:1.72;tab-size:4}.code-panel__line{display:block;min-height:1.72em;white-space:pre}.code-panel__foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;padding:11px 18px;border-top:1px solid var(--line);color:var(--faint);font-size:11.5px;line-height:1.5}.toolchain{display:grid;gap:18px}.terminal{display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--border);border-radius:14px;background:var(--code-bg)}.terminal__bar{display:flex;align-items:center;gap:8px;height:42px;padding:0 10px 0 14px;border-bottom:1px solid var(--line);background:var(--surface);color:var(--muted);font-family:var(--font-mono);font-size:10.5px}.terminal__bar>svg{color:var(--faint)}.terminal__bar .copy-button{margin-left:auto}.terminal__body{overflow:auto;padding:16px 20px;font-family:var(--font-mono);font-size:11.75px;line-height:1.95;white-space:pre-wrap;overflow-wrap:anywhere}.terminal__line{display:block}.terminal__prompt{margin-right:7px;color:var(--accent)}.terminal__comment{margin-left:7px;color:var(--faint)}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;overflow:hidden;border:1px solid var(--border);border-radius:14px;background:var(--line)}.step{padding:19px 20px 21px;background:var(--surface)}.step__top{display:flex;align-items:center;justify-content:space-between;gap:12px}.step__n{color:var(--accent);font-family:var(--font-mono);font-size:9.5px;letter-spacing:.08em}.step__title{margin-top:14px;font-size:16px;font-weight:600;letter-spacing:-.015em}.step__body{margin-top:7px;color:var(--muted);font-size:12.5px;line-height:1.6}.step__api{display:inline-block;padding:2px 7px;border:1px solid var(--line);border-radius:5px;color:var(--faint);font-family:var(--font-mono);font-size:9.5px}.open{position:relative;overflow:hidden}.open__grid{position:absolute;inset:0;background-image:linear-gradient(to right,var(--grid) 1px,transparent 1px),linear-gradient(to bottom,var(--grid) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(80% 100% at 82% 48%,#000 0%,transparent 72%);mask-image:radial-gradient(80% 100% at 82% 48%,#000 0%,transparent 72%);pointer-events:none}.open__inner{position:relative;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);align-items:start;gap:clamp(36px,6vw,80px)}.open__intro h2{max-width:14ch;font-size:clamp(2.2rem,4vw,3.25rem)}.open__intro>p{max-width:38rem;margin-top:18px;color:var(--muted);font-size:15.5px;line-height:1.7}.open__links{display:flex;flex-wrap:wrap;gap:7px;margin-top:22px}.open__links a{display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-family:var(--font-mono);font-size:10px;letter-spacing:.03em;transition:color .15s ease,border-color .15s ease}.open__links a:hover{border-color:var(--border-strong);color:var(--text)}.open__cta{padding:26px;border:1px solid var(--border);border-radius:16px;background:var(--surface)}.open__cta h3{font-size:1.3rem;font-weight:650;letter-spacing:-.025em;line-height:1.2;text-wrap:balance}.open__cta>p{margin-top:10px;color:var(--muted);font-size:13.5px;line-height:1.65}.open__actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.open__note{margin-top:16px;color:var(--faint);font-family:var(--font-mono);font-size:9.5px;letter-spacing:.03em}.open__attribution{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);color:var(--faint);font-size:11.5px;line-height:1.6}.open__attribution a{color:var(--muted);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--border-strong)}.open__attribution a:hover{color:var(--text)}.footer{padding:52px 0 28px;border-top:1px solid var(--line)}.footer__grid{display:grid;grid-template-columns:1.6fr repeat(3,minmax(0,1fr));gap:32px}.footer__brand-link{display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:650;letter-spacing:-.015em}.footer__tagline{max-width:25ch;margin-top:12px;color:var(--muted);font-size:13px;line-height:1.6}.footer__column h4{margin:0 0 13px;color:var(--faint);font-family:var(--font-mono);font-size:9px;font-weight:600;letter-spacing:.12em;text-transform:uppercase}.footer__column ul{display:grid;gap:8px}.footer__column a{color:var(--muted);font-size:12.5px;transition:color .15s ease}.footer__column a:hover{color:var(--text)}.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px;margin-top:42px;padding-top:18px;border-top:1px solid var(--line);color:var(--faint);font-size:11px;line-height:1.6}.footer__top{display:inline-flex;align-items:center;gap:5px;color:var(--muted)}.footer__top:hover{color:var(--text)}html[lang^=zh] h1,html[lang^=zh] h2,html[lang^=zh] h3{letter-spacing:0}html[lang^=zh] .hero h1{font-size:clamp(2.55rem,4.6vw,3.8rem);line-height:1.18}html[lang^=zh] .section__head h2,html[lang^=zh] .open__intro h2{line-height:1.22}html[lang^=zh] .kicker,html[lang^=zh] .stage__kicker{letter-spacing:.08em}html[lang^=zh] .stage__title,html[lang^=zh] .open__cta h3{line-height:1.35}html[lang^=zh] .hero__lead{line-height:1.75}@media(prefers-reduced-motion:no-preference){.hero__copy{animation:rise .6s cubic-bezier(.16,1,.3,1) both}.hero .stage{animation:rise .6s cubic-bezier(.16,1,.3,1) .07s both}}@keyframes rise{0%{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.stage__progress span{transition:none}}@media(max-width:1120px){.brand__tag{display:none}.hero__inner{gap:36px}.nav__github span{display:none}}@media(max-width:1000px){.hero__inner{grid-template-columns:minmax(0,1fr);gap:42px;padding-top:64px;padding-bottom:64px}.hero__copy{max-width:680px}.stage{max-width:620px;justify-self:center}.stage__screen{aspect-ratio:10 / 9.2}.code-layout,.open__inner{grid-template-columns:minmax(0,1fr);gap:30px}.code-panel__code{max-height:640px}.platforms{grid-template-columns:repeat(2,minmax(0,1fr))}.footer__grid{grid-template-columns:1.6fr repeat(3,minmax(0,1fr));gap:24px}}@media(max-width:900px){.nav__links{position:absolute;top:var(--nav-height);right:0;left:0;display:none;flex-direction:column;align-items:stretch;gap:2px;padding:10px 16px 16px;border-bottom:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-menu)}.nav__links.is-open{display:flex}.nav__links a{padding:11px 10px;font-size:15px}.nav__burger{display:grid}.nav__actions{margin-left:auto}.layers{grid-template-columns:minmax(0,1fr)}.layer{padding:24px 0;border-right:0;border-bottom:1px solid var(--line)}.layer+.layer{padding-left:0}.layer:last-child{padding-bottom:0;border-bottom:0}}@media(max-width:720px){.container{width:calc(100% - 36px)}.hero:before{-webkit-mask-image:radial-gradient(130% 70% at 50% 0%,#000 0%,transparent 76%);mask-image:radial-gradient(130% 70% at 50% 0%,#000 0%,transparent 76%)}.hero__inner{padding-top:52px;padding-bottom:52px}.hero h1{font-size:clamp(2.65rem,9.2vw,3.7rem)}.hero__lead{font-size:16px}.hero__actions .btn{flex:1 1 100%}.stage__screen{aspect-ratio:auto;height:min(74vh,540px)}.flow{grid-template-columns:minmax(0,1fr);gap:8px}.flow__arrow{height:16px;transform:rotate(90deg)}.flow__note{margin-bottom:32px}.platforms{grid-template-columns:minmax(0,1fr)}.platform{min-height:0}.code-panel__code{max-height:460px;font-size:11.5px}.steps{grid-template-columns:minmax(0,1fr)}.terminal__body{font-size:11px}.open__cta{padding:22px}.footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}.footer__brand{grid-column:1 / -1}}@media(max-width:560px){.container{width:calc(100% - 32px)}.nav__inner{gap:10px}.nav__github{display:none}.nav__actions{gap:5px}.brand__name{font-size:14.5px}.brand__logo{width:24px;height:24px}.hero__lead{margin-top:20px}.hero__runs,.hero__command-wrap{margin-top:22px}.hero__command{width:100%}.stage__bar{padding:0 10px}.stage__file{font-size:10px}.stage__overlay{padding:22px 18px}.stage__percent{font-size:2.6rem}.stage__caption{font-size:11px}.section{padding:56px 0}.section__head h2,.open__intro h2{font-size:clamp(1.85rem,8.2vw,2.4rem)}.section__head p{font-size:15px}.code-panel__bar{padding:0 6px}.code-panel__code{padding:15px 14px;font-size:11px}.code-panel__foot{padding:10px 14px}.terminal__body{padding:15px 14px}.footer__grid{grid-template-columns:minmax(0,1fr)}.footer__brand{grid-column:auto}.footer__bottom{margin-top:30px}}