:root{color-scheme:light;--color-background:#f4f1e9;--color-surface:#fbfaf6;--color-surface-strong:#fff;--color-foreground:#111d33;--color-muted:#5e6877;--color-line:#111d3329;--color-line-strong:#111d3352;--color-accent:#2256e3;--color-accent-soft:#e3e9fb;--color-secondary:#087d78;--color-warning:#a44813;--shadow-soft:0 18px 55px #141d3014;--shadow-lift:0 24px 70px #141d3024;--radius-small:.45rem;--radius-medium:.85rem;--radius-large:1.35rem;--section-width:1200px;--font-display:"Archivo", "Avenir Next", sans-serif;--font-body:"Space Grotesk", "Avenir Next", sans-serif;--font-size-hero:clamp(2.6rem, 6.5vw, 4.4rem);--font-size-section:clamp(2rem, 4.5vw, 3rem);--font-size-card-title:clamp(1.25rem, 2.4vw, 1.65rem)}:root[data-theme=dark]{color-scheme:dark;--color-background:#08111f;--color-surface:#0d192b;--color-surface-strong:#142238;--color-foreground:#edf2f9;--color-muted:#aab7c8;--color-line:#dee8f529;--color-line-strong:#dee8f557;--color-accent:#83a5ff;--color-accent-soft:#192b55;--color-secondary:#5bd0c7;--color-warning:#f0a16b;--shadow-soft:0 18px 55px #00000038;--shadow-lift:0 24px 70px #00000052}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--color-background);scroll-padding-top:6rem}body{background:radial-gradient(circle at 84% 8%, color-mix(in srgb, var(--color-accent) 11%, transparent), transparent 29rem), var(--color-background);color:var(--color-foreground);font-family:var(--font-body);text-rendering:optimizelegibility;margin:0;padding-bottom:5.25rem;font-size:1rem;line-height:1.65;transition:background-color .18s,color .18s;overflow-x:hidden}body:before{z-index:-1;content:"";pointer-events:none;background-image:linear-gradient(#111d3306 1px,#0000 1px),linear-gradient(90deg,#111d3306 1px,#0000 1px);background-size:48px 48px;position:fixed;inset:0}a{color:inherit;text-underline-offset:.2em;text-decoration-thickness:.08em}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit;font:inherit}img,svg{max-width:100%;display:block}svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.65px}h1,h2,h3,p{margin-top:0}h1,h2,h3,.brand{font-family:var(--font-display)}h1,h2{letter-spacing:-.03em;font-stretch:100%;line-height:1.04}h1{max-width:17ch;font-size:var(--font-size-hero);margin-bottom:1.35rem;font-weight:700}h2{font-size:var(--font-size-section);margin-bottom:0;font-weight:680}:root[data-language=zh] h1,:root[data-language=zh] h2{letter-spacing:-.015em;line-height:1.12}h3{line-height:1.2}[hidden]{display:none!important}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;border-radius:var(--radius-small);background:var(--color-foreground);min-height:44px;color:var(--color-background);padding:.65rem 1rem;font-weight:700;transition:transform .15s;position:fixed;top:.75rem;left:.75rem;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}:focus-visible{outline:3px solid var(--color-accent);outline-offset:4px}.section-shell,.header-inner,.footer-inner{width:min(100% - 2rem, var(--section-width));margin-inline:auto}.site-header{z-index:50;border-bottom:1px solid var(--color-line);background:color-mix(in srgb, var(--color-background) 88%, transparent);backdrop-filter:blur(18px);position:sticky;top:0}.header-inner{grid-template-columns:1fr auto;align-items:center;gap:.75rem;min-height:4.75rem;display:grid}.brand{align-items:center;gap:.75rem;width:fit-content;min-height:44px;text-decoration:none;display:inline-flex}.brand-mark{border:1px solid var(--color-foreground);letter-spacing:.08em;border-radius:50%;place-items:center;width:2.4rem;height:2.4rem;font-size:.72rem;font-weight:800;display:grid}.brand-copy{line-height:1.15;display:grid}.brand-copy strong{letter-spacing:-.015em;font-size:.94rem}.brand-copy span{color:var(--color-muted);font-family:var(--font-body);letter-spacing:.02em;font-size:.68rem;display:none}.site-nav{z-index:60;border:1px solid var(--color-line);background:color-mix(in srgb, var(--color-surface-strong) 92%, transparent);box-shadow:var(--shadow-lift);backdrop-filter:blur(18px);border-radius:999px;grid-template-columns:repeat(4,minmax(0,1fr));gap:.15rem;padding:.35rem;display:grid;position:fixed;bottom:.75rem;left:.75rem;right:.75rem}.site-nav a{min-height:44px;color:var(--color-muted);border-radius:999px;place-items:center;padding-inline:.35rem;font-size:.66rem;font-weight:650;text-decoration:none;display:grid}.site-nav a:hover{background:var(--color-accent-soft);color:var(--color-foreground)}.header-tools{align-items:center;gap:.45rem;display:flex}.utility-button,.filter-button{border:1px solid var(--color-line);cursor:pointer;background:0 0;border-radius:999px;min-height:44px;transition:border-color .15s,background-color .15s,color .15s}.utility-button:hover,.filter-button:hover{border-color:var(--color-line-strong);background:var(--color-surface)}.language-toggle{align-items:center;gap:.45rem;padding:0 .75rem;font-size:.69rem;font-weight:700;display:flex}.utility-divider{background:var(--color-line-strong);width:1px;height:.9rem}.theme-toggle{place-items:center;width:44px;padding:0;display:grid}.theme-icon{width:1.15rem;height:1.15rem}.theme-icon-moon,:root[data-theme=dark] .theme-icon-sun{display:none}:root[data-theme=dark] .theme-icon-moon{display:block}.hero{align-items:center;gap:3.2rem;min-height:calc(100svh - 4.75rem);padding-block:clamp(4rem,9vw,7.25rem);display:grid}.hero-copy{z-index:2;position:relative}.hero-status{border:1px solid var(--color-line);color:var(--color-muted);letter-spacing:.035em;border-radius:999px;align-items:center;gap:.65rem;margin-bottom:2.2rem;padding:.45rem .75rem;font-size:.72rem;font-weight:600;display:inline-flex}.status-dot{background:var(--color-secondary);width:.55rem;height:.55rem;box-shadow:0 0 0 .28rem color-mix(in srgb, var(--color-secondary) 15%, transparent);border-radius:50%}.eyebrow{color:var(--color-accent);letter-spacing:.16em;text-transform:uppercase;margin-bottom:1rem;font-size:.72rem;font-weight:750}.hero-introduction{max-width:58ch;color:var(--color-muted);margin-bottom:2rem;font-size:clamp(1rem,2vw,1.2rem)}.hero-actions{flex-wrap:wrap;gap:.75rem;margin-bottom:2.4rem;display:flex}.button{border:1px solid var(--color-line-strong);border-radius:999px;justify-content:center;align-items:center;gap:.65rem;min-height:48px;padding:.7rem 1.2rem;font-size:.84rem;font-weight:700;text-decoration:none;transition:box-shadow .16s,transform .16s,background-color .16s;display:inline-flex}.button svg{width:1.05rem}.button:hover{box-shadow:var(--shadow-soft);transform:translateY(-2px)}.button-primary{border-color:var(--color-accent);background:var(--color-accent);color:#fff}:root[data-theme=dark] .button-primary{color:#08111f}.button-secondary{background:color-mix(in srgb, var(--color-surface) 70%, transparent)}.hero-meta,.hero-meta>span{align-items:center;display:flex}.hero-meta{color:var(--color-muted);flex-wrap:wrap;gap:.7rem;font-size:.75rem}.hero-meta>span{gap:.4rem}.hero-meta svg{width:1rem}.meta-rule{background:var(--color-line-strong);width:2rem;height:1px}.hero-visual{min-height:25rem;position:relative}.signal-card{border:1px solid var(--color-line);border-radius:var(--radius-large);background:color-mix(in srgb, var(--color-surface-strong) 88%, transparent);box-shadow:var(--shadow-soft);backdrop-filter:blur(16px);position:absolute}.signal-card-main{z-index:2;color:var(--color-accent);inset:1.5rem 0 2rem;overflow:hidden}.signal-card-header,.signal-caption{color:var(--color-muted);letter-spacing:.14em;justify-content:space-between;font-size:.64rem;font-weight:700;display:flex}.signal-card-header{border-bottom:1px solid var(--color-line);padding:1rem 1.1rem}.signal-plot{width:100%;height:16rem}.signal-grid{stroke:var(--color-line);stroke-width:1px}.signal-line{stroke:url(#signal-gradient);stroke-width:3px;vector-effect:non-scaling-stroke}.signal-line-back{opacity:.35;stroke-width:1.5px}.signal-caption{border-top:1px solid var(--color-line);padding:.85rem 1.1rem}.signal-card-profile{z-index:4;align-items:center;gap:.9rem;max-width:15.5rem;padding:.75rem;display:flex;bottom:0;right:-.35rem}.signal-card-profile img{object-fit:cover;filter:saturate(.82)contrast(1.05);border-radius:.75rem;width:4rem;height:4rem}.signal-card-profile div{gap:.15rem;display:grid}.signal-card-profile strong{font-family:var(--font-display);font-size:1.35rem}.signal-card-profile span{color:var(--color-muted);letter-spacing:.1em;font-size:.54rem;font-weight:700}.orbit{z-index:1;border:1px solid var(--color-line);border-radius:50%;position:absolute}.orbit-one{inset:-2rem 13% 1rem -2rem}.orbit-two{inset:3rem 0 -2rem 29%}.proof-strip{padding-bottom:clamp(4rem,8vw,7rem)}.proof-strip ul{border-block:1px solid var(--color-line);grid-template-columns:repeat(2,1fr);margin:0;padding:0;list-style:none;display:grid}.proof-strip li{border-bottom:1px solid var(--color-line);gap:.1rem;padding:1.2rem .8rem;display:grid}.proof-strip li:nth-last-child(-n+2){border-bottom:0}.proof-strip li:nth-child(2n){border-left:1px solid var(--color-line)}.proof-strip strong{font-family:var(--font-display);letter-spacing:-.03em;font-size:clamp(1.15rem,4vw,1.75rem)}.proof-strip span{color:var(--color-muted);font-size:.68rem;line-height:1.35}.work-section,.research-section,.about-section,.contact-section{padding-block:clamp(5rem,10vw,8rem)}.section-heading{gap:1.75rem;margin-bottom:3rem;display:grid}.section-heading>p,.research-intro>p,.contact-copy>p{max-width:59ch;color:var(--color-muted)}.project-toolbar{border-block:1px solid var(--color-line);gap:.85rem;margin-bottom:1.5rem;padding-block:1rem;display:grid}.filter-label{color:var(--color-muted);letter-spacing:.13em;text-transform:uppercase;font-size:.69rem;font-weight:700}.project-filters{scrollbar-width:thin;gap:.45rem;padding-bottom:.15rem;display:flex;overflow-x:auto}.filter-button{flex:none;padding:.55rem .95rem;font-size:.74rem;font-weight:650}.filter-button[aria-pressed=true]{border-color:var(--color-foreground);background:var(--color-foreground);color:var(--color-background)}.project-grid{gap:1rem;display:grid}.project-card{border:1px solid var(--color-line);border-radius:var(--radius-large);background:color-mix(in srgb, var(--color-surface) 91%, transparent);flex-direction:column;min-height:29rem;padding:1.35rem;transition:border-color .18s,box-shadow .18s,transform .18s;display:flex;box-shadow:inset 0 1px #ffffff8c}.project-card:hover{border-color:var(--color-line-strong);box-shadow:var(--shadow-lift);transform:translateY(-4px)}.project-card-featured{background:linear-gradient(140deg, color-mix(in srgb, var(--color-accent-soft) 72%, transparent), transparent 62%), var(--color-surface)}.project-card-topline,.project-card-heading,.project-links{justify-content:space-between;display:flex}.project-card-topline{border-bottom:1px solid var(--color-line);color:var(--color-muted);letter-spacing:.12em;margin-bottom:1.5rem;padding-bottom:1rem;font-size:.69rem;font-weight:700}.project-index{color:var(--color-accent)}.project-card-heading{align-items:flex-start;gap:.8rem}.project-category,.project-status{letter-spacing:.11em;text-transform:uppercase;font-size:.66rem;font-weight:750}.project-category{color:var(--color-accent)}.category-ai-systems{color:var(--color-secondary)}.category-quant{color:var(--color-warning)}.category-explorations{color:#7c48a1}:root[data-theme=dark] .category-explorations{color:#d49afb}.project-status{border:1px solid var(--color-line);color:var(--color-muted);letter-spacing:.03em;text-transform:none;border-radius:999px;flex:none;padding:.2rem .5rem}.project-card h3{font-size:var(--font-size-card-title);letter-spacing:-.035em;margin:.4rem 0 0}.project-summary{color:var(--color-muted);margin:1.2rem 0;font-size:.91rem}.project-evidence{border-left:2px solid var(--color-accent);background:color-mix(in srgb, var(--color-accent-soft) 62%, transparent);grid-template-columns:auto 1fr;gap:.7rem;margin-bottom:1.15rem;padding:.9rem;display:grid}.project-evidence>span{background:var(--color-accent);border-radius:50%;width:.45rem;height:.45rem;margin-top:.35rem}.project-evidence p{margin:0;font-size:.76rem;font-weight:600}.technology-list{flex-wrap:wrap;gap:.45rem;margin:auto 0 1.35rem;padding:0;list-style:none;display:flex}.technology-list li{border:1px solid var(--color-line);color:var(--color-muted);border-radius:999px;padding:.23rem .55rem;font-size:.65rem}.project-links{border-top:1px solid var(--color-line);justify-content:flex-start;gap:1.3rem;padding-top:1rem}.project-links a{align-items:center;gap:.4rem;min-height:44px;font-size:.73rem;font-weight:700;text-decoration:none;display:inline-flex}.project-links a:hover{color:var(--color-accent)}.project-links svg{width:1rem}.research-section{border-top:1px solid var(--color-line);gap:3rem;display:grid}.research-intro blockquote{border:1px solid var(--color-line);border-radius:var(--radius-medium);background:var(--color-surface);margin:2rem 0 0;padding:1.25rem}.research-intro blockquote svg{width:1.4rem;color:var(--color-accent);margin-bottom:.8rem}.research-intro blockquote p{font-family:var(--font-display);margin:0;font-size:1.05rem;font-weight:550;line-height:1.45}.publication-list{margin:0;padding:0;list-style:none}.publication-list>li{border-top:1px solid var(--color-line);grid-template-columns:2.3rem 1fr;gap:.9rem;padding-block:1.35rem;display:grid}.publication-list>li:last-child{border-bottom:1px solid var(--color-line)}.publication-index{color:var(--color-accent);letter-spacing:.08em;padding-top:.2rem;font-size:.68rem;font-weight:750}.publication-meta{color:var(--color-muted);letter-spacing:.04em;text-transform:uppercase;gap:.35rem;margin-bottom:.4rem;font-size:.65rem;font-weight:700;display:flex}.publication-main h3{letter-spacing:-.02em;margin:0;font-size:clamp(1rem,2vw,1.25rem)}.publication-main>a{grid-template-columns:1fr auto;align-items:start;gap:.75rem;text-decoration:none;display:grid}.publication-main>a:hover{color:var(--color-accent)}.publication-main>a svg{width:1rem;margin-top:.15rem}.publication-main>p{color:var(--color-muted);margin:.35rem 0 0;font-size:.76rem}.about-section{border-top:1px solid var(--color-line)}.about-grid{gap:3rem;display:grid}.about-grid h3{border-bottom:1px solid var(--color-line);letter-spacing:.13em;text-transform:uppercase;margin-bottom:1.25rem;padding-bottom:.75rem;font-size:.76rem}.timeline-list,.recognition-list{margin:0;padding:0;list-style:none}.timeline-list li{grid-template-columns:1rem 1fr;gap:.85rem;padding-bottom:1.65rem;display:grid;position:relative}.timeline-list li:not(:last-child):before{background:var(--color-line-strong);content:"";width:1px;position:absolute;top:.65rem;bottom:0;left:.28rem}.timeline-marker{z-index:1;border:2px solid var(--color-accent);background:var(--color-background);border-radius:50%;width:.62rem;height:.62rem;margin-top:.35rem;position:relative}.timeline-list strong{font-family:var(--font-display);line-height:1.35;display:block}.timeline-list p{color:var(--color-muted);margin:.15rem 0;font-size:.83rem}.timeline-list div>span{color:var(--color-muted);font-size:.68rem}.recognition-list{gap:.85rem;display:grid}.recognition-list li{border:1px solid var(--color-line);border-radius:var(--radius-medium);background:var(--color-surface);grid-template-columns:2.3rem 1fr;gap:.85rem;padding:1rem;display:grid}.recognition-list svg{width:1.15rem;color:var(--color-accent)}.recognition-list strong{font-family:var(--font-display);line-height:1.3}.recognition-list p{color:var(--color-muted);margin:.25rem 0 0;font-size:.75rem}.method-loop{color:var(--color-muted);letter-spacing:.09em;justify-content:space-between;align-items:center;gap:.5rem;margin-top:1.2rem;padding:1.4rem 0;font-size:.63rem;font-weight:750;display:flex}.method-loop svg{flex:1;max-width:2.7rem}.contact-section{border-top:1px solid var(--color-line);gap:2.5rem;display:grid}.contact-copy h2{max-width:12ch;margin-bottom:1.5rem}.contact-links{gap:.75rem;display:grid}.contact-link{border:1px solid var(--color-line);border-radius:var(--radius-medium);background:var(--color-surface);grid-template-columns:2.65rem 1fr auto;align-items:center;gap:.8rem;min-height:72px;padding:.85rem;text-decoration:none;transition:border-color .16s,box-shadow .16s,transform .16s;display:grid}.contact-link:hover{border-color:var(--color-line-strong);box-shadow:var(--shadow-soft);transform:translate(4px)}.contact-link-primary{border-color:var(--color-accent);background:var(--color-accent);color:#fff}:root[data-theme=dark] .contact-link-primary{color:#08111f}.contact-link-icon{border:1px solid;border-radius:50%;place-items:center;width:2.65rem;height:2.65rem;display:grid}.contact-link-icon svg,.contact-arrow{width:1.1rem}.contact-link>span:nth-child(2){display:grid;overflow:hidden}.contact-link small{opacity:.72;letter-spacing:.08em;text-transform:uppercase;font-size:.64rem}.contact-link strong{font-family:var(--font-display);text-overflow:ellipsis;white-space:nowrap;font-size:.85rem;overflow:hidden}.site-footer{border-top:1px solid var(--color-line)}.footer-inner{min-height:8rem;color:var(--color-muted);align-items:center;gap:.4rem;padding-block:1.5rem;font-size:.69rem;display:grid}.footer-inner p{margin:0}.footer-inner a{border:1px solid var(--color-line);border-radius:50%;place-items:center;width:44px;min-height:44px;text-decoration:none;display:grid}@media (width>=600px){.section-shell,.header-inner,.footer-inner{width:min(100% - 3rem, var(--section-width))}.brand-copy span{display:block}.proof-strip ul{grid-template-columns:repeat(4,1fr)}.proof-strip li,.proof-strip li:nth-last-child(-n+2){border-bottom:0}.proof-strip li:not(:first-child){border-left:1px solid var(--color-line)}.project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:auto 1fr auto;gap:2rem}.footer-inner p:nth-child(2){text-align:center}}@media (width>=800px){body{padding-bottom:0}.header-inner{grid-template-columns:1fr auto auto}.site-nav{box-shadow:none;backdrop-filter:none;background:0 0;border:0;border-radius:0;gap:.25rem;padding:0;display:flex;position:static}.site-nav a{padding-inline:.7rem;font-size:.72rem}.hero{grid-template-columns:minmax(0,1.05fr) minmax(22rem,.95fr);gap:clamp(2rem,6vw,6rem)}.hero-visual{min-height:32rem}.signal-card-main{inset:2.5rem 0 3rem}.signal-plot{height:21rem}.section-heading{grid-template-columns:minmax(0,1.1fr) minmax(19rem,.9fr);align-items:end;gap:4rem}.project-toolbar{grid-template-columns:auto 1fr;align-items:center}.project-filters{justify-content:flex-end}.research-section,.contact-section{grid-template-columns:minmax(19rem,.75fr) minmax(0,1.25fr);gap:clamp(3rem,8vw,7rem)}.research-intro{align-self:start;position:sticky;top:7rem}.about-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(3rem,8vw,7rem)}}@media (width>=1100px){.project-grid{grid-template-columns:repeat(12,minmax(0,1fr))}.project-card{grid-column:span 4}.project-card-featured{grid-column:span 6}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}