:root{color:#2b201d;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f4ead8;font-family:Inter,Noto Sans SC,Microsoft YaHei UI,Microsoft YaHei,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;margin:0}button,input,textarea,select{font:inherit}button{border:0}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline-offset:3px;outline:3px solid #f0c58cc7}#root{min-height:100dvh}::selection{color:#1d1113;background:#f0c58c}.site{--ink:#fff8ee;--ink-muted:#fff8eec7;--ink-soft:#fff8ee94;--wood:#20100f;--wood-deep:#12090b;--brass:#d7a96c;--amber:#f0c58c;--paper:#fff7e7;--paper-ink:#2b201d;--paper-muted:#76645d;--line:#ffffff2e;--scene-sky-a:#f2c58f;--scene-sky-b:#6d8cab;--scene-hill-a:#31455a;--scene-hill-b:#17232c;--scene-ground:#37513d;min-height:100dvh;color:var(--paper-ink);background:linear-gradient(#12090b0f,#0000 28rem),#f4ead8;overflow-x:clip}.site-footer{color:#6e5b52;background:#f4ead8;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px 24px;padding:28px 24px 38px;font-size:13px;display:flex}.site-footer a{color:inherit;text-decoration:none}.site-footer a:hover{color:#8c392e}.legal-page{color:#30231f;background:#f7f2e9;min-height:100dvh}.legal-header{justify-content:space-between;align-items:center;width:min(1160px,100% - 48px);min-height:76px;margin:0 auto;display:flex}.legal-brand,.legal-back,.legal-footer>div{align-items:center;gap:8px;display:inline-flex}.legal-brand{color:#32201e;font-weight:800;text-decoration:none}.legal-back{color:#735a50;font-size:14px;text-decoration:none}.legal-back:hover{color:#8c392e}.legal-hero{background:#fffdf8;border:1px solid #e2d7c7;border-radius:8px;width:min(1160px,100% - 48px);margin:26px auto 0;padding:62px clamp(28px,6vw,80px);box-shadow:0 22px 70px #41271914}.legal-kicker{color:#9a493a;letter-spacing:0;font-size:12px;font-weight:800}.legal-hero h1{margin:16px 0 14px;font-family:Noto Serif SC,Songti SC,serif;font-size:clamp(34px,5vw,56px);line-height:1.18}.legal-hero p{color:#705e56;max-width:680px;margin:0;font-size:17px;line-height:1.8}.legal-meta{flex-wrap:wrap;gap:10px;margin-top:28px;display:flex}.legal-meta span{color:#69584f;background:#fbf5eb;border:1px solid #e7dccd;border-radius:4px;padding:7px 10px;font-size:12px}.legal-layout{grid-template-columns:220px minmax(0,760px);gap:clamp(32px,7vw,96px);width:min(1060px,100% - 48px);margin:54px auto;display:grid}.legal-toc{align-self:start;padding:18px 0;position:sticky;top:24px}.legal-toc>div{color:#9a493a;margin-bottom:12px;font-size:12px;font-weight:800}.legal-toc a{color:#735f55;align-items:flex-start;gap:7px;padding:8px 0;font-size:13px;line-height:1.45;text-decoration:none;display:flex}.legal-toc a:hover{color:#8c392e}.legal-content section{border-bottom:1px solid #e5dacb;margin-bottom:34px;padding-bottom:34px;scroll-margin-top:24px}.legal-content section:last-child{border-bottom:0}.legal-content h2{margin:0 0 18px;font-family:Noto Serif SC,Songti SC,serif;font-size:24px;line-height:1.45}.legal-content p,.legal-content li{color:#55443d;font-size:15px;line-height:1.95}.legal-content p{white-space:pre-line}.legal-content ul{margin:14px 0 0;padding-left:22px}.legal-content li{margin:9px 0;padding-left:4px}.legal-footer{color:#725e55;border-top:1px solid #e3d8ca;gap:12px;width:min(1060px,100% - 48px);margin:0 auto;padding:28px 0 48px;font-size:13px;display:grid}.legal-footer a{color:#8c392e;text-decoration:none}.legal-footer p{color:#8a766a;margin:4px 0 0;line-height:1.7}.scene-field{--scene-sky-a:#e8c982;--scene-sky-b:#9ab0a0;--scene-hill-a:#61714d;--scene-hill-b:#2e3c2f;--scene-ground:#ad8f46}.scene-river{--scene-sky-a:#d7977a;--scene-sky-b:#586d8d;--scene-hill-a:#43556c;--scene-hill-b:#192636;--scene-ground:#4b5b66}.scene-night{--scene-sky-a:#2b224d;--scene-sky-b:#0d1731;--scene-hill-a:#182746;--scene-hill-b:#07101f;--scene-ground:#1c2740}.hero-section{min-height:100dvh;color:var(--ink);background:radial-gradient(circle at 50% 12%,#f5bf7c33,#0000 36rem),linear-gradient(#1d1113 0%,#0f090a 100%);padding:24px}.top-nav{z-index:20;background:#170c0d9e;border:1px solid #ffffff2e;border-radius:999px;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;width:min(1120px,100% - 48px);min-height:56px;padding:8px 10px 8px 18px;display:grid;position:fixed;top:24px;left:50%;transform:translate(-50%);box-shadow:0 18px 60px #0000003d}.brand,.nav-links,.nav-cta,.hero-actions a,.download-button{align-items:center;text-decoration:none;display:inline-flex}.brand{min-height:44px;color:var(--ink);gap:8px;font-weight:700}.nav-links{justify-content:center;gap:6px}.nav-links a,.nav-cta{color:#fff8eec7;border-radius:999px;min-height:44px;font-size:14px}.nav-links a{padding:0 14px}.nav-links a:hover,.nav-links a:focus-visible{color:var(--ink);background:#ffffff14}.nav-cta{color:#221512;background:var(--paper);justify-content:center;gap:8px;padding:0 18px;font-weight:700}.train-hero{background:linear-gradient(90deg,#000000b3,#0000 18% 82%,#000000b3),linear-gradient(#ffffff0a,#00000047);border-radius:10px;place-items:center;min-height:calc(100dvh - 48px);padding-top:80px;display:grid;position:relative;overflow:hidden}.train-hero:before{content:"";z-index:5;pointer-events:none;background:linear-gradient(#11080a9e 0%,#11080a33 9%,#0000 24%),radial-gradient(circle at 50% 0,#ffd6aa29,#0000 30%);position:absolute;inset:0}.window-stage{background:var(--scene-sky-b);position:absolute;inset:0;overflow:hidden}.window-video{z-index:2;object-fit:cover;opacity:0;width:100%;height:100%;transition:opacity .7s;position:absolute;inset:0}.window-video.is-ready{opacity:1}.incoming-video{z-index:3}.generated-landscape{transition:opacity .5s;position:absolute;inset:0}.window-stage.has-visible-video .generated-landscape{opacity:0}.window-stage.has-visible-video .mountains,.window-stage.has-visible-video .tree-line,.window-stage.has-visible-video .ground-line{animation-play-state:paused}.sky{background:radial-gradient(circle at 67% 24%, #fff8d69e, transparent 10rem), linear-gradient(180deg, var(--scene-sky-a), var(--scene-sky-b) 62%, var(--scene-ground));position:absolute;inset:0}.mountains,.tree-line,.ground-line{will-change:transform;width:140%;position:absolute;left:-20%}.mountains:before,.mountains:after{content:"";background:inherit;clip-path:polygon(0 100%,9% 62%,18% 72%,28% 40%,39% 68%,52% 26%,65% 63%,78% 42%,90% 74%,100% 100%);width:72%;height:100%;position:absolute;bottom:0}.mountains:after{left:62%}.mountains.far{background:linear-gradient(180deg, #ffffff1f, var(--scene-hill-a));opacity:.82;height:32%;animation:28s linear infinite drift-slow;bottom:26%}.mountains.near{background:linear-gradient(180deg, #ffffff14, var(--scene-hill-b));opacity:.9;height:28%;animation:17s linear infinite drift-medium;bottom:18%}.tree-line{opacity:.72;clip-path:polygon(0 100%,0 48%,3% 56%,6% 35%,9% 58%,13% 38%,16% 62%,20% 42%,23% 66%,27% 44%,31% 70%,35% 38%,38% 62%,42% 43%,46% 66%,50% 41%,54% 68%,58% 45%,62% 70%,66% 40%,70% 60%,74% 44%,78% 65%,82% 38%,86% 62%,90% 45%,94% 68%,100% 50%,100% 100%);background:repeating-linear-gradient(90deg,#0000 0 19px,#14231aeb 19px 24px,#0000 24px 38px),linear-gradient(#0000 0 28%,#18291ddb 28% 100%);height:20%;animation:7s linear infinite drift-fast;bottom:14%}.ground-line{opacity:.72;background:repeating-linear-gradient(100deg,#ffffff2e 0 3px,#0000 3px 44px),linear-gradient(#ffffff0a,#1c1812c7);height:22%;animation:2.6s linear infinite drift-rush;bottom:0;right:-20%}.ground-line.two{opacity:.36;animation-duration:1.8s;bottom:2%;transform:translateY(18px)}.glass-sheen{z-index:3;pointer-events:none;mix-blend-mode:screen;background:linear-gradient(105deg,#0000 0 28%,#ffffff29 35%,#0000 43% 100%),radial-gradient(circle,#0000 0 42%,#0000006b 78%),linear-gradient(90deg,#0000006b,#0000 18% 82%,#0000006b);position:absolute;inset:0}.train-frame{z-index:4;pointer-events:none;position:absolute;inset:0}.train-frame img{object-fit:cover;opacity:0;width:100%;height:100%;position:absolute;inset:0}.train-frame img.is-ready{opacity:1}.frame-fallback{position:absolute;inset:0}.frame-fallback.is-hidden{opacity:0}.main-window,.side-window{border:18px solid #3c1b1be0;border-radius:46px;position:absolute;box-shadow:inset 0 0 0 4px #ffd7a538,inset 0 0 28px #000000d1,0 0 0 10px #14090abd,0 18px 80px #0006}.main-window{inset:12% 18% 20%}.side-window{opacity:.72;width:18%;top:15%;bottom:25%}.side-window.left{left:-10%}.side-window.right{right:-10%}.carriage-bottom{background:linear-gradient(#3719169e,#0d0708f0),repeating-linear-gradient(90deg,#ffffff0d 0 1px,#0000 1px 120px);height:26%;position:absolute;bottom:0;left:0;right:0;box-shadow:inset 0 18px 44px #00000080}.hero-content{z-index:7;text-align:center;justify-items:center;width:min(850px,100% - 48px);margin-bottom:6vh;display:grid;position:relative}.hero-pill{color:#fff8eee6;background:#140a0a4d;border:1px solid #ffffff38;border-radius:999px;align-items:center;gap:8px;min-height:34px;padding:0 14px;font-size:14px;display:inline-flex}.hero-content h1{max-width:780px;color:var(--ink);text-wrap:balance;text-shadow:0 8px 34px #00000061;margin:24px 0 18px;font-family:Noto Serif SC,Songti SC,serif;font-size:clamp(44px,7vw,94px);font-weight:700;line-height:1.06}.hero-content p{max-width:650px;color:var(--ink-muted);text-shadow:0 4px 18px #0000006b;font-size:clamp(16px,1.4vw,20px);line-height:1.75}.hero-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px;display:flex}.hero-actions a,.download-button{border-radius:999px;justify-content:center;gap:9px;min-height:48px;font-weight:700;transition:transform .18s,background .18s,color .18s,border-color .18s}.hero-actions a:hover,.download-button:hover{transform:translateY(-2px)}.primary-action{color:#251915;background:var(--paper);padding:0 22px}.secondary-action{color:var(--ink);background:#ffffff14;border:1px solid #ffffff3d;padding:0 18px}.scene-tabs{z-index:8;grid-template-columns:repeat(4,minmax(120px,1fr));gap:8px;width:min(760px,100% - 48px);display:grid;position:absolute;bottom:28px;left:50%;transform:translate(-50%)}.scene-tabs button{min-height:58px;color:var(--ink-soft);cursor:pointer;background:#10080970;border:1px solid #ffffff24;border-radius:8px;gap:3px;padding:8px 12px;transition:border-color .18s,background .18s,color .18s;display:grid}.scene-tabs button span{font-size:13px}.scene-tabs button strong{color:var(--ink);font-size:15px}.scene-tabs button.active{color:var(--ink);background:#542a2094;border-color:#f0c58cd1}.intro-section,.feature-section,.journey-section,.download-section{width:min(1120px,100% - 40px);margin:0 auto}.intro-section{padding:104px 0 80px}.section-kicker{color:#99663d;letter-spacing:0;margin-bottom:16px;font-size:13px;font-weight:800}.intro-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;gap:72px;display:grid}.intro-grid h2,.section-heading h2,.journey-copy h2,.download-section h2{color:var(--paper-ink);text-wrap:balance;margin:0;font-family:Noto Serif SC,Songti SC,serif;font-size:clamp(32px,4.5vw,58px);line-height:1.16}.intro-grid p,.journey-copy p,.download-section p{color:var(--paper-muted);margin:0;font-size:18px;line-height:1.9}.feature-section{padding:48px 0 96px}.section-heading{justify-content:space-between;align-items:end;gap:32px;margin-bottom:34px;display:flex}.section-heading h2{max-width:680px}.feature-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.feature-card{background:#fffcf49e;border:1px solid #4b2d2024;border-radius:8px;min-height:260px;padding:24px}.feature-icon{color:#5c3327;background:#ead4b5;border-radius:999px;place-items:center;width:44px;height:44px;display:grid}.feature-card h3{color:var(--paper-ink);margin:56px 0 12px;font-size:22px}.feature-card p{color:var(--paper-muted);margin:0;line-height:1.75}.journey-section{border-top:1px solid #4b2d2024;grid-template-columns:minmax(0,.86fr) minmax(320px,.7fr);gap:80px;padding:84px 0;display:grid}.journey-copy p{margin-top:22px}.process-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.process-list li{color:#493832;background:#fffcf49e;border:1px solid #4b2d2024;border-radius:8px;grid-template-columns:52px 1fr;align-items:center;gap:18px;min-height:76px;padding:14px 16px;line-height:1.55;display:grid}.process-list span{color:#a36d43;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:15px;font-weight:700}.download-section{color:var(--ink);background:linear-gradient(135deg,#ffffff0f,#0000),#1d1113;border-radius:10px;justify-content:space-between;align-items:center;gap:32px;margin-bottom:28px;padding:52px;display:flex}.download-section h2{color:var(--ink);font-size:clamp(30px,4vw,50px)}.download-section p{max-width:720px;color:var(--ink-muted);margin-top:16px}.download-section code{color:#2a1916;background:#f5dec0;border-radius:5px;margin:0 4px;padding:2px 7px;font-size:.9em;display:inline-flex}.download-button{color:#251915;background:var(--paper);flex:none;padding:0 22px}@keyframes drift-slow{0%{transform:translate(0)}to{transform:translate(-28%)}}@keyframes drift-medium{0%{transform:translate(0)}to{transform:translate(-35%)}}@keyframes drift-fast{0%{transform:translate(0)}to{transform:translate(-42%)}}@keyframes drift-rush{0%{transform:translate(0)}to{transform:translate(-50%)}}@media (width<=920px){.hero-section{padding:12px}.top-nav{grid-template-columns:auto auto;width:calc(100% - 24px);padding-left:14px;top:12px}.nav-links{display:none}.nav-cta{padding:0 14px}.train-hero{min-height:calc(100dvh - 24px)}.main-window{border-width:12px;border-radius:34px;inset:14% 6% 24%}.side-window{display:none}.carriage-bottom{height:30%}.hero-content{width:calc(100% - 32px);margin-bottom:11vh}.hero-content h1{font-size:clamp(38px,12vw,58px)}.scene-tabs{grid-template-columns:repeat(2,minmax(0,1fr));width:calc(100% - 28px);bottom:16px}.scene-tabs button{min-height:52px}.intro-section{padding:76px 0 54px}.intro-grid,.journey-section{grid-template-columns:1fr;gap:28px}.section-heading{display:block}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.download-section{padding:32px 24px;display:grid}.legal-layout{grid-template-columns:1fr;gap:12px}.legal-toc{border-bottom:1px solid #e5dacb;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px;padding:0 0 16px;display:grid;position:static}.legal-toc>div{grid-column:1/-1}}@media (width<=560px){.hero-content{margin-bottom:15vh}.hero-content h1{font-size:clamp(34px,10.4vw,48px);line-height:1.12}.hero-pill{text-align:center;justify-content:center;max-width:100%}.hero-actions,.hero-actions a{width:100%}.scene-tabs{gap:6px}.scene-tabs button{padding:8px}.scene-tabs button span{font-size:12px}.scene-tabs button strong{font-size:13px}.feature-grid{grid-template-columns:1fr}.feature-card{min-height:auto}.feature-card h3{margin-top:32px}.download-button{width:100%}.legal-header,.legal-hero,.legal-layout,.legal-footer{width:calc(100% - 32px)}.legal-header{min-height:62px}.legal-hero{margin-top:8px;padding:38px 22px}.legal-hero p{font-size:15px}.legal-toc{grid-template-columns:1fr}.legal-content h2{font-size:21px}.legal-content p,.legal-content li{font-size:14px;line-height:1.85}.site-footer{justify-content:flex-start}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}