body{margin:0;min-height:100vh;background:radial-gradient(circle at 18% 35%,rgba(192,246,215,.95) 0 10%,transparent 28%),radial-gradient(circle at 58% 2%,rgba(205,248,210,.9) 0 8%,transparent 26%),radial-gradient(circle at 82% 18%,rgba(165,240,250,.95) 0 13%,transparent 33%),radial-gradient(circle at 38% 18%,rgba(38,158,236,.78) 0 22%,transparent 48%),linear-gradient(135deg,#25b7ee,#8fece7 46%,#14a5e2)}body:before{content:"";position:fixed;inset:-16%;background:radial-gradient(circle at 12% 78%,rgba(220,255,224,.75),transparent 22%),radial-gradient(circle at 66% 88%,rgba(6,104,195,.42),transparent 27%),radial-gradient(circle at 50% 40%,rgba(255,255,255,.2),transparent 38%);filter:blur(34px);opacity:.9;pointer-events:none}html{scroll-behavior:smooth}.site{--site-ink: #111417;--site-muted: #2f333a;--site-hairline: rgba(17, 20, 23, .09);--site-glass: rgba(255, 255, 255, .62);--site-body-ink: #2f3944;--site-body-ink-2: #3b4350;--site-body-ink-strong: #1f2b38;--site-nav-bg: rgba(250, 252, 253, .66);--site-pill-bg: rgba(255, 255, 255, .55);--site-pill-border: rgba(17, 20, 23, .12);--site-chip-bg: #14171b;--site-chip-ink: #fff;--site-chip-hover: #283139;--site-tile-bg: rgba(255, 255, 255, .78);--site-tile-border: rgba(17, 20, 23, .09);--site-frame-border: rgba(255, 255, 255, .55);--site-accent: #4d86ff;--site-accent-deep: #1f4fae;--site-accent-wash: rgba(77, 134, 255, .1);--site-shadow-soft: rgba(32, 45, 58, .08);--site-shadow-tile: rgba(32, 45, 58, .12);--site-shadow-chip: rgba(32, 45, 58, .22);--site-shadow-frame: rgba(16, 60, 90, .28);--site-shadow-poster: rgba(16, 60, 90, .26);--site-shadow-card: rgba(16, 30, 50, .35);--site-hairline-soft: rgba(17, 20, 23, .06);--site-strike: rgba(139, 148, 160, .55);--site-flip-no: #2f3236;--site-max: 1160px;color:var(--site-ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Microsoft YaHei,sans-serif;position:relative;z-index:1}.site-inner{max-width:var(--site-max);margin:0 auto;padding:0 28px}.site-nav{position:sticky;top:0;z-index:30;-webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);background:var(--site-nav-bg);border-bottom:1px solid var(--site-hairline)}.site-nav .site-inner{display:flex;align-items:center;gap:26px;height:56px}.site-wordmark{display:flex;align-items:center;margin-right:auto;text-decoration:none;color:var(--site-ink);white-space:nowrap}.wordmark-lockup{display:inline-flex;flex-direction:column;align-items:center;gap:2px}.wordmark-en{font-size:13.5px;font-weight:300;letter-spacing:.34em;text-indent:.34em;line-height:1}.wordmark-cn{font-size:8px;font-weight:300;letter-spacing:.6em;text-indent:.6em;line-height:1;color:var(--site-muted)}.site-nav a.nav-link{font-size:13.5px;color:var(--site-muted);text-decoration:none}.site-nav a.nav-link:hover{color:var(--site-ink)}.site-nav .nav-lang{font-family:inherit;font-size:12.5px;color:var(--site-muted);background:var(--site-pill-bg);border:1px solid var(--site-pill-border);border-radius:999px;padding:4px 12px;cursor:pointer}.site-nav .nav-lang:hover{color:var(--site-ink)}.site-nav .nav-theme{display:inline-flex;align-items:center;justify-content:center;padding:6px;line-height:0}.btn-icon{flex:none}.site-nav a.nav-gh{font-size:13px;color:var(--site-chip-ink);background:var(--site-chip-bg);text-decoration:none;padding:7px 16px;border-radius:999px}.site-nav a.nav-gh:hover{background:var(--site-chip-hover)}@media(max-width:720px){.site-nav .site-inner{gap:12px}.site-nav a.nav-link{display:none}.site-nav a.nav-gh,.site-nav .nav-lang{white-space:nowrap}}.hero{padding:72px 0 30px;text-align:center}.hero .eyebrow{font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--site-muted);margin:0 0 16px}.hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:650;letter-spacing:-.015em;line-height:1.18;margin:0 0 16px;text-wrap:balance}.hero .sub{font-size:16.5px;line-height:1.65;color:var(--site-body-ink);max-width:64ch;margin:0 auto 26px}.cta-row{display:flex;gap:12px;justify-content:center;margin-bottom:14px}.cta-row a{display:inline-flex;align-items:center;gap:8px;text-decoration:none;border-radius:999px;padding:12px 26px;font-size:14.5px;transition:transform .15s ease}.cta-row a:hover{transform:translateY(-1px)}.cta-row .cta-dl{background:var(--site-chip-bg);color:var(--site-chip-ink);box-shadow:0 14px 34px var(--site-shadow-chip)}.cta-row .cta-gh{background:var(--site-glass);color:var(--site-body-ink);border:1px solid var(--site-pill-border)}.hero .try-hint{font-size:13px;color:var(--site-muted);margin:0 0 34px}.demo-outer{max-width:1480px;margin:0 auto;padding:0 28px}.demo-fit{position:relative;overflow:hidden;max-width:1440px;margin:0 auto;border-radius:22px;border:1px solid var(--site-frame-border);box-shadow:0 40px 90px var(--site-shadow-frame)}.demo-iframe{display:block;width:1440px;height:900px;border:0;transform-origin:top left}.demo-poster{margin:0 auto;max-width:1440px}.demo-poster img{display:block;width:100%;height:auto;border-radius:16px;border:1px solid var(--site-frame-border);box-shadow:0 24px 56px var(--site-shadow-poster)}.demo-poster figcaption{margin-top:10px;font-size:12.5px;text-align:center;color:var(--site-muted)}.section{padding:84px 0 10px}.section .kicker{font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--site-muted);margin:0 0 10px;text-align:center}.section h2{font-size:28px;font-weight:650;letter-spacing:-.01em;margin:0 0 40px;text-align:center;text-wrap:balance}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}.feature-card{background:var(--site-glass);border:1px solid var(--site-hairline);border-radius:18px;padding:24px 24px 22px;box-shadow:0 18px 42px var(--site-shadow-soft);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.feature-card h3{margin:0 0 10px;font-size:16px;font-weight:650}.feature-card h3 .en{display:block;margin-top:3px;font-size:11.5px;font-weight:500;color:var(--site-muted)}.feature-card p{margin:0;font-size:13.5px;line-height:1.7;color:var(--site-body-ink)}.download-card{background:#14171b;color:#e8ecef;border:1px solid transparent;border-radius:24px;padding:52px 40px;text-align:center;box-shadow:0 30px 70px var(--site-shadow-card)}.download-card h2{color:#fff;margin-bottom:14px}.download-card p{color:#aab2bf;font-size:14.5px;max-width:56ch;margin:0 auto 28px;line-height:1.7}.download-card .cta-row .cta-dl{background:#fff;color:#14171b}.download-card .cta-row .cta-gh{background:transparent;color:#cdd3d9;border-color:#ffffff47}.download-card .fine{font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:11px;color:#7a838e;margin-top:22px;max-width:none}.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.85,.2,1)}.reveal.is-in{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}.icon-tile{display:inline-grid;place-items:center;background:var(--site-tile-bg);border:1px solid var(--site-tile-border);box-shadow:0 8px 22px var(--site-shadow-tile);overflow:hidden}.icon-tile img{width:82%;height:82%;object-fit:contain}.icon-tile--nav{width:26px;height:26px;border-radius:7px;margin-right:9px;vertical-align:-6px}.icon-tile--hero{width:84px;height:84px;border-radius:20px;margin-bottom:20px;animation:tileFloat 4.2s ease-in-out infinite}.icon-tile--footer{width:34px;height:34px;border-radius:9px;margin-bottom:12px}@keyframes tileFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@media(prefers-reduced-motion:reduce){.icon-tile--hero{animation:none}}.hero-en{font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:13.5px;letter-spacing:.04em;color:var(--site-muted);margin:0 0 18px}.section-lead{font-size:14.5px;line-height:1.8;color:var(--site-body-ink);max-width:72ch;margin:0 auto 36px;text-align:center}.flip-list{display:flex;flex-direction:column;gap:18px;align-items:center;margin:0 auto 44px}.flip{display:flex;align-items:baseline;gap:18px;font-size:clamp(16px,2.2vw,21px)}.flip-no{color:var(--site-flip-no);text-decoration:line-through;text-decoration-color:var(--site-strike);text-decoration-thickness:1px}.flip-arrow{color:var(--site-accent);font-weight:650}.flip-yes{color:var(--site-ink);font-weight:650}@media(max-width:600px){.flip{flex-direction:column;gap:2px;text-align:center;align-items:center}}.diagram{margin:0;padding:18px;border:1px solid var(--site-hairline);border-radius:20px;background:var(--site-glass);box-shadow:0 18px 42px var(--site-shadow-soft);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow-x:auto}.diagram img{display:block;min-width:880px;width:100%;height:auto}.mech-block{margin-bottom:64px}.mech-block:last-child{margin-bottom:0}.mech-title{font-size:20px;font-weight:650;margin:0 0 10px}.mech-title .en{color:var(--site-muted);font-weight:500;font-size:14px}.mech-caption{font-size:14px;line-height:1.75;color:var(--site-body-ink);max-width:74ch;margin:0 0 20px}.banzhuan-ink{color:var(--site-accent-deep)}.feature-grid--two{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}.scholar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:16px}.scholar-card{background:var(--site-glass);border:1px solid var(--site-hairline);border-radius:18px;padding:26px 28px 24px;box-shadow:0 18px 42px var(--site-shadow-soft);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.scholar-card--wide{grid-column:1 / -1}.scholar-card h3{margin:0 0 12px;font-size:16.5px;font-weight:650}.scholar-card h3 .en{display:block;margin-top:3px;font-size:11.5px;font-weight:500;color:var(--site-muted)}.scholar-theory{margin:0 0 14px;font-size:13px;line-height:1.75;color:var(--site-body-ink-2);padding-bottom:14px;border-bottom:1px solid var(--site-hairline-soft)}.scholar-impl{margin:0;font-size:13px;line-height:1.75;color:var(--site-body-ink-strong)}.impl-label{display:inline-block;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:10px;letter-spacing:.1em;color:var(--site-accent-deep);background:var(--site-accent-wash);border-radius:999px;padding:2px 10px;margin-right:8px;vertical-align:1px}@media(max-width:880px){.scholar-grid{grid-template-columns:1fr}}.research-more{margin:28px auto 0;text-align:center;font-size:13.5px;color:var(--site-body-ink-2)}.research-more a{color:var(--site-accent-deep);font-weight:600;margin:0 4px}.site-footer{padding:56px 0 48px;text-align:center;font-size:12.5px;color:var(--site-muted)}.site-footer a{color:var(--site-body-ink-2)}.site-footer__fan{margin:10px auto 0;max-width:640px;font-size:11.5px;line-height:1.6;opacity:.9}.skip-demo{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.skip-demo:focus,.skip-demo:focus-visible{position:static;display:inline-block;width:auto;height:auto;margin:0 0 14px;padding:8px 16px;border-radius:999px;background:var(--site-chip-bg);color:var(--site-chip-ink);font-size:13px;text-decoration:none;outline:2px solid var(--site-accent);outline-offset:2px}@media(max-width:720px){.hero{padding-top:48px}.hero .eyebrow{letter-spacing:.13em}.cta-row{flex-wrap:wrap}}:root[data-theme=dark] body{background:radial-gradient(circle at 18% 35%,rgba(22,78,66,.5) 0 10%,transparent 28%),radial-gradient(circle at 58% 2%,rgba(26,84,74,.4) 0 8%,transparent 26%),radial-gradient(circle at 82% 18%,rgba(18,66,104,.55) 0 13%,transparent 33%),radial-gradient(circle at 38% 18%,rgba(14,54,102,.6) 0 22%,transparent 48%),linear-gradient(135deg,#0a1a2a,#0d2233 46%,#081524)}:root[data-theme=dark] body:before{background:radial-gradient(circle at 12% 78%,rgba(36,110,100,.25),transparent 22%),radial-gradient(circle at 66% 88%,rgba(10,60,130,.35),transparent 27%),radial-gradient(circle at 50% 40%,rgba(120,160,200,.08),transparent 38%)}:root[data-theme=dark] .site{--site-ink: #e6ebf1;--site-muted: #7e8894;--site-hairline: rgba(226, 236, 246, .09);--site-glass: rgba(18, 24, 31, .62);--site-body-ink: #cdd6df;--site-body-ink-2: #a7b1bd;--site-body-ink-strong: #d5dce3;--site-nav-bg: rgba(18, 23, 30, .9);--site-pill-bg: rgba(30, 37, 46, .94);--site-pill-border: rgba(226, 236, 246, .14);--site-chip-bg: #e6ebf1;--site-chip-ink: #10141a;--site-chip-hover: #f2f6fa;--site-tile-bg: rgba(255, 255, 255, .92);--site-tile-border: rgba(226, 236, 246, .2);--site-frame-border: rgba(226, 236, 246, .12);--site-accent: #6b9dff;--site-accent-deep: #9db9ff;--site-accent-wash: rgba(107, 157, 255, .14);--site-shadow-soft: rgba(0, 0, 0, .32);--site-shadow-tile: rgba(0, 0, 0, .4);--site-shadow-chip: rgba(0, 0, 0, .45);--site-shadow-frame: rgba(0, 0, 0, .55);--site-shadow-poster: rgba(0, 0, 0, .5);--site-shadow-card: rgba(0, 0, 0, .55);--site-hairline-soft: rgba(226, 236, 246, .06);--site-strike: rgba(139, 148, 160, .45);--site-flip-no: #7f8893}:root[data-theme=dark] .download-card{border-color:#e2ecf61a}:root[data-theme=dark] .diagram img{filter:brightness(.94)}