@charset "UTF-8";
:root{color-scheme:dark;--bg:#151619;--panel:#1b1d20;--text:#f0eee8;--muted:#acada9;--gold:#e5c493;--line:#353638;--max:1160px;font-family:Inter,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:6px}::selection{background:var(--gold);color:var(--bg)}svg{display:block}img{max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500;line-height:1.12;letter-spacing:-.04em}p{color:var(--muted)}.container{width:min(var(--max),calc(100% - 80px));margin-inline:auto}.skip{position:fixed;top:8px;left:8px;z-index:10;background:var(--gold);color:var(--bg);padding:10px 16px;transform:translateY(-150%)}.skip:focus{transform:none}.header{border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:32px;min-height:94px}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:650;letter-spacing:-.6px;white-space:nowrap}.brand img{width:38px;height:38px}.brand-mark{color:var(--gold)}.nav{display:flex;gap:28px;margin-left:auto;font-size:13px;color:var(--muted)}.nav a:hover,.footer a:hover{color:var(--gold)}.languages{display:flex;flex-wrap:wrap;border-left:1px solid var(--line);padding-left:24px;gap:15px;font-size:13px}.languages a{display:inline-flex;align-items:center;min-height:44px}.languages [aria-current]{color:var(--gold)}.eyebrow{font-family:"SFMono-Regular",Consolas,monospace;font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--gold);display:flex;align-items:center;gap:10px}.eyebrow:before{content:"";height:6px;width:6px;background:var(--gold)}.hero{padding:83px 0 69px}.hero-grid{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:60px}.hero h1{font-size:clamp(58px,6.4vw,90px);margin:28px 0;line-height:1.02;letter-spacing:-.065em}.hero h1 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var(--gold);background:var(--panel);padding:22px 24px}.preview-note h3{font-size:14px;letter-spacing:0;margin-bottom:9px}.preview-path{font:12px Consolas,monospace;color:var(--gold);margin-bottom:8px}.preview-note p{font-size:13px}.requirements{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.requirement{padding:24px}.requirement:not(:last-child){border-right:1px solid var(--line)}.requirement strong{display:block;font-size:26px;font-weight:450;letter-spacing:-.04em}.requirement span{font-size:12px;color:var(--muted)}.details{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:34px}.detail{padding-top:18px;border-top:1px solid var(--line)}.detail h3{font-size:15px;letter-spacing:0;margin-bottom:10px}.detail p{font-size:13px;line-height:1.85}.open-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.open-grid h2{font-size:44px;margin:18px 0 24px}.open-grid p{font-size:14px;line-height:1.9}.open-grid p+p{margin-top:18px}.open-links{display:grid;grid-template-columns:1fr 1fr;gap:0 26px;align-content:start}.resource-link{display:flex;gap:12px;justify-content:space-between;align-items:center;min-height:64px;border-bottom:1px solid var(--line);font-size:14px}.resource-link:hover{color:var(--gold);border-color:var(--gold)}.license-line{margin-top:32px;font-size:12px!important;color:var(--muted)}.get-started{padding:46px 0;display:flex;justify-content:space-between;align-items:center;gap:28px}.get-started h2{font-size:30px;letter-spacing:-.035em;margin-bottom:8px}.get-started p{font-size:13px}.get-started .actions{margin:0;flex-shrink:0}.footer{border-top:1px solid var(--line);padding:25px 0 35px;font-size:11px;color:var(--muted)}.footer-inner{display:flex;justify-content:space-between;gap:24px}.footer-inner>span{max-width:580px}.footer-links{display:flex;gap:22px;flex-shrink:0}html:lang(zh) h1{font-size:clamp(48px,5.8vw,78px);line-height:1.15;letter-spacing:-.035em}html:lang(zh) h2{letter-spacing:-.025em}html:lang(zh) .hero-copy>p{font-size:16px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1600px){.hero{padding-top:100px;padding-bottom:80px}}
@media(max-width:1050px){.container{width:calc(100% - 48px)}.nav{gap:18px}.hero-grid{gap:35px}.hero h1{font-size:66px}.pipeline-grid{gap:50px}.hero-meta div{display:block}.hero-meta span{display:block;margin-top:5px}.features{column-gap:28px}.open-grid{gap:40px}.languages{padding-left:16px}.header-inner{gap:20px}}
@media(max-width:760px){html{scroll-padding-top:25px}.container{width:calc(100% - 40px)}.header-inner{min-height:78px;flex-wrap:wrap;gap:0;padding-block:14px}.brand{font-size:20px}.brand img{width:34px;height:34px}.languages{margin-left:auto;border:0;padding:0}.nav{order:3;width:100%;justify-content:space-between;margin:9px 0 0;gap:12px;font-size:11px}.hero{padding:46px 0 40px}.hero-grid{grid-template-columns:1fr;gap:38px}.hero h1{font-size:clamp(50px,10vw,72px);margin-block:22px;line-height:1.04}.hero-copy>p{font-size:15px;max-width:550px}.actions{margin-top:26px;gap:12px}.hero-note{font-size:10px}.schematic{max-width:510px;width:100%;justify-self:center;padding:20px}.film-drawing{max-height:300px}.hero-meta{margin-top:36px;grid-template-columns:repeat(2,1fr);gap:20px}.hero-meta strong{font-size:12px}.section{padding:48px 0}.section-heading{display:block;margin-bottom:28px}.section-heading h2,.pipeline-intro h2,.open-grid h2{font-size:34px}.section-heading>p{margin-top:18px;max-width:500px}.features{grid-template-columns:repeat(2,1fr);gap:28px 24px}.feature h3{font-size:18px}.feature p{font-size:13px}.feature-top{margin-bottom:16px}.pipeline-grid{grid-template-columns:1fr;gap:32px}.pipeline-intro h2{margin-bottom:18px}.pipeline-intro>p{font-size:14px}.pipeline-tag{margin-top:20px}.flow li{padding-bottom:23px}.requirements{grid-template-columns:1fr 1fr}.requirement{padding:20px}.requirement strong{font-size:24px}.requirement:nth-child(2){border-right:0}.requirement:nth-child(-n+2){border-bottom:1px solid var(--line)}.details{gap:24px;grid-template-columns:1fr}.open-grid{grid-template-columns:1fr;gap:24px}.open-grid h2{margin-bottom:18px}.get-started{display:block;padding:32px 0}.get-started h2{font-size:27px}.get-started .actions{margin-top:24px}.footer-inner{display:block}.footer-links{margin-top:18px}.eyebrow{font-size:10px}html:lang(zh) h1{font-size:clamp(43px,9vw,66px)}}
@media(max-width:360px){.container{width:calc(100% - 32px)}.features{grid-template-columns:1fr}.nav{font-size:10px;gap:6px}.button{padding:11px 16px;gap:16px}.hero h1{font-size:47px}.open-links{grid-template-columns:1fr}.schematic-top,.schematic-bottom{font-size:9px;letter-spacing:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

html:lang(ja) h1{font-size:clamp(42px,5.2vw,72px);line-height:1.3;letter-spacing:-.025em}html:lang(ja) h2{line-height:1.4} @media(max-width:760px){.languages{gap:12px}.header-inner{column-gap:16px;row-gap:4px}html:lang(ja) h1{font-size:clamp(36px,8vw,58px)}}