@font-face{font-family:LysiaSerif;src:url('/fonts/serif.woff2') format('woff2');font-display:swap;font-weight:300}
@font-face{font-family:LysiaSans;src:url('/fonts/sans.woff2') format('woff2');font-display:swap;font-weight:300 500}
:root{color-scheme:dark;--void:#0b0f28;--night:#141b3f;--ink:#f2f4ff;--muted:#b6bfd9;--violet:#c9b6ff;--pink:#f7b8c8;--tide:#a6e7f2;--line:rgba(201,182,255,.16);--serif:LysiaSerif,'Songti SC',serif;--sans:LysiaSans,'PingFang SC','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:35px}body{margin:0;background:var(--void);color:var(--ink);font:300 16px/1.85 var(--sans);overflow-wrap:break-word}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid var(--tide);outline-offset:7px;border-radius:6px}a:hover{color:var(--tide)}::selection{background:var(--violet);color:var(--void)}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.skip{position:absolute;top:-80px;left:20px;padding:12px;background:var(--night);z-index:5}.skip:focus{top:12px}.navigation{display:flex;justify-content:space-between;align-items:center;padding-block:30px}.brand{display:flex;align-items:center;gap:13px;font-family:var(--serif);font-size:25px;white-space:nowrap}.brand small{font:400 11px/1 var(--sans);letter-spacing:3px;margin-left:8px;color:var(--muted)}.brand-mark{display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--violet);border-radius:50%;font-size:23px;color:var(--violet)}nav{display:flex;gap:32px;align-items:center;font-size:14px}nav a{color:var(--muted)}.nav-status{border:1px solid var(--line);border-radius:99px;padding:7px 17px;color:var(--ink)}.nav-status span{padding-left:12px}.hero{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:center;min-height:720px;padding-block:65px 100px}.hero:before{content:'';position:absolute;inset:0 -40px;background:radial-gradient(ellipse at 76% 45%,rgba(95,76,163,.16),transparent 58%);z-index:-1;pointer-events:none}.eyebrow{font-size:13px;letter-spacing:3px;color:var(--violet);margin:0 0 26px}h1,h2,h3,p{margin-top:0}h1,h2{font:300 64px/1.4 var(--serif);letter-spacing:2px}h1{font-size:clamp(60px,6.3vw,86px);margin-bottom:25px;line-height:1.3}h1 em{font-style:normal;color:var(--violet)}.intro{font-size:18px;line-height:1.95;color:var(--muted);margin-bottom:32px}.button{display:inline-flex;align-items:center;gap:48px;padding:13px 25px;border-radius:99px;background:var(--violet);color:var(--void);font-weight:400;transition:background .3s,transform .3s}.button:hover{background:var(--tide);color:var(--void);transform:translateY(-2px)}.hero-note{font-size:12px;color:var(--muted);margin-top:23px;letter-spacing:1px}.thread-scene{position:relative;min-height:560px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:32px 10px 25px 20px}.scene-orbit{position:absolute;left:0;top:40px;bottom:20px;width:90%;border:1px solid rgba(201,182,255,.17);border-right-color:rgba(166,231,242,.33);border-radius:50%;transform:rotate(20deg);pointer-events:none}.scene-orbit:after{content:'';position:absolute;right:24px;top:75px;width:7px;height:7px;border-radius:50%;background:var(--tide);box-shadow:0 0 24px var(--tide)}.scene-label,.scene-footnote{position:relative;font-size:12px;letter-spacing:2px;color:var(--muted);margin:0 0 25px 18px}.conversation{position:relative;border:1px solid rgba(201,182,255,.22);border-radius:24px;padding:22px 27px;background:linear-gradient(145deg,rgba(36,39,79,.97),rgba(20,27,63,.96));width:340px;max-width:100%;box-shadow:0 12px 50px -30px rgba(201,182,255,.65)}.conversation p{font-size:17px;line-height:1.85;margin:14px 0 0}.speaker{display:flex;gap:12px;align-items:center;font-size:14px}.speaker small{font-size:11px;color:var(--muted);margin-left:7px}.avatar{font:300 18px/1 var(--serif);width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#3a3261;color:var(--violet)}.avatar.tide{background:#244656;color:var(--tide)}.tiny-star{margin-left:auto;font-size:24px;color:var(--violet)}.reply{margin:22px 0 22px auto;width:300px;background:#1b2949;border-color:rgba(166,231,242,.25)}.reply p{margin:5px 0 0;font-size:15px}.speaker-name{color:var(--tide);font-size:12px}.last{margin-left:32px}.scene-footnote{margin:24px 0 0 52px;font-size:11px;letter-spacing:1px}.section{padding-block:96px}.section-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:40px}.section-heading .eyebrow{padding-top:13px}h2{font-size:40px;line-height:1.5;margin-bottom:42px}.section-heading h2{max-width:660px;flex:1;margin-left:100px}.world{border-top:1px solid var(--line)}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;padding-top:20px}.feature-symbol{display:block;color:var(--violet);font-size:38px;height:73px}.feature:nth-child(2) .feature-symbol{color:var(--pink)}.feature:nth-child(3) .feature-symbol{color:var(--tide)}h3{font-size:21px;font-weight:400;line-height:1.5;margin-bottom:18px}.feature p{color:var(--muted);font-size:16px;line-height:1.95;margin-bottom:30px}.feature-caption{display:block;padding-top:18px;border-top:1px solid var(--line);font-size:12px;letter-spacing:2px;color:var(--violet)}.story-section{margin-block:35px;background:linear-gradient(145deg,#151933,#17243f);border-block:1px solid var(--line)}.story-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.story-copy h2{font-size:45px;margin-bottom:25px}.story-copy>p:not(.eyebrow){line-height:2}.muted{color:var(--muted);font-size:15px;max-width:365px}.text-link{display:inline-flex;gap:35px;align-items:center;font-size:14px;color:var(--violet);border-bottom:1px solid rgba(201,182,255,.4);padding-block:10px}.story-page{background:#202942;border:1px solid rgba(166,231,242,.24);border-radius:34px;padding:36px 40px 30px;position:relative;isolation:isolate;overflow:hidden}.story-page:before{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 90% 25%,rgba(166,231,242,.16),transparent 65%)}.page-meta{display:flex;justify-content:space-between;font-size:11px;letter-spacing:2px;color:var(--tide);padding-bottom:38px}.chapter{font-size:12px;letter-spacing:5px;color:var(--muted)}.story-page h3{font:300 31px/1.65 var(--serif);margin-top:20px}.story-page p{font-family:var(--serif);color:var(--muted);line-height:2.1;font-size:16px;margin-bottom:46px}.story-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding-top:20px;font-size:11px;color:var(--muted)}.boundaries h2{margin-bottom:50px}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:55px}.principles h3{font-size:18px;margin-bottom:12px}.principles p{color:var(--muted);font-size:15px}.ai-note{margin:30px 0 0;color:var(--muted);font-size:12px}.progress{text-align:center;border:1px solid var(--line);border-radius:34px;padding:65px 30px 60px;background:radial-gradient(ellipse at 50% 130%,rgba(157,115,213,.2),transparent 75%)}.progress-label{display:inline-block;border:1px solid rgba(201,182,255,.3);border-radius:99px;padding:3px 15px;font-size:12px;color:var(--violet);margin-bottom:24px}.progress h2{font-size:42px;margin-bottom:22px}.progress p{color:var(--muted);font-size:16px}.footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:50px;font-size:12px;color:var(--muted)}.footer .brand{font-size:21px;color:var(--ink)}
@media(min-width:1000px) and (prefers-reduced-motion:no-preference){.hero-copy{animation:appear .9s ease both}.thread-scene{animation:appear 1.2s .12s ease both}@keyframes appear{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:900px){.wrap{width:calc(100% - 48px)}.hero{gap:0;min-height:650px;padding-block:40px 70px}h1{font-size:61px}.conversation{width:290px;padding:18px 21px}.conversation p{font-size:15px}.reply{width:265px}.last{margin-left:8px}.scene-footnote{margin-left:10px}.scene-label{margin-left:0;font-size:11px}.section-heading h2{margin-left:20px;font-size:32px}.features{gap:25px}.story-layout{gap:35px}.story-page{padding:30px 25px}.story-page h3{font-size:27px}.principles{gap:25px}.footer>span:nth-child(2){display:none}}
@media(max-width:640px){.wrap{width:calc(100% - 40px)}.navigation{padding-block:23px}.brand{font-size:23px}.brand small{font-size:10px;letter-spacing:2px}.brand-mark{display:none}nav{gap:18px;font-size:12px}nav a:nth-child(2){display:none}.nav-status{padding:5px 12px}.nav-status span{padding-left:4px}.hero{grid-template-columns:1fr;padding-block:45px 45px;gap:30px}.eyebrow{font-size:12px;margin-bottom:20px}h1{font-size:64px}.intro{font-size:16px}.hero-note{font-size:11px}.thread-scene{width:100%;max-width:440px;justify-self:center;min-height:530px;padding:28px 0}.conversation{width:290px;padding:19px 23px}.reply{width:265px;margin-block:19px}.last{margin-left:10px}.scene-orbit{left:5%;width:88%}.scene-label{margin-left:10px}.scene-footnote{margin-top:25px;margin-left:12px}.section{padding-block:64px}.section-heading{display:block}.section-heading h2{margin-left:0;font-size:31px}.features{grid-template-columns:1fr;gap:35px;padding-top:0}.feature{position:relative;padding-left:50px}.feature-symbol{position:absolute;left:0;top:-8px;font-size:30px}.feature h3{font-size:20px;margin-bottom:12px}.feature p{font-size:15px;margin-bottom:18px}.feature-caption{font-size:11px}.story-section{margin-block:0}.story-layout{grid-template-columns:1fr;gap:35px}.story-copy h2{font-size:36px}.story-page{padding:28px;border-radius:24px}.story-page h3{font-size:29px}.page-meta{padding-bottom:30px}.boundaries h2{font-size:30px;margin-bottom:30px}.principles{grid-template-columns:1fr;gap:14px}.principles p{margin-bottom:16px}.ai-note{font-size:11px;line-height:1.8}.progress{padding:45px 20px;border-radius:24px}.progress h2{font-size:34px}.progress p{font-size:14px}.footer{padding-block:35px;font-size:11px}.footer .brand{font-size:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
/* Keep atmospheric geometry inside the page at narrow widths. */
.hero:before{inset:0}.thread-scene{min-width:0;overflow:clip}.conversation.last{max-width:calc(100% - 32px)}
@media(max-width:640px){.conversation.last{max-width:calc(100% - 10px)}}