:root{color-scheme:light;--bg:#fff;--paper:#fff;--ink:#242424;--muted:#656565;--line:#e5e3df;--accent:#8a4b38;--accent-soft:#f4eee8;--term:#6e4637}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.8 var(--font-sans,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif);-webkit-font-smoothing:antialiased}a{color:var(--accent)}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500;letter-spacing:0;text-wrap:pretty;overflow-wrap:break-word}h1{font-size:42px;line-height:1.35;font-weight:400}h2{font-size:26px;line-height:1.45;font-weight:400}p{line-height:1.85;text-wrap:pretty}strong{font-weight:500;color:var(--ink)}button,input{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer;touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.portfolio-nav,.topbar,.layout,.portfolio-footer{width:min(1200px,calc(100% - 80px));margin-inline:auto}.portfolio-nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 0;min-height:76px;border-bottom:1px solid var(--line);font-size:14px}.portfolio-nav a,.portfolio-footer a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;color:var(--muted)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:38px 0 30px;border-bottom:1px solid var(--line)}.topbar>div{min-width:0}.eyebrow{font-size:13px;color:var(--accent);margin-bottom:13px}.header-intro{font-size:17px;color:var(--muted);margin-top:14px}.source-link{flex:0 0 auto;display:inline-flex;align-items:center;min-height:44px;padding:10px 16px;font-size:14px;text-decoration:none;border:1px solid var(--line);border-radius:6px}.layout{display:grid;gap:36px;padding-top:30px}.viewer{min-width:0;border:1px solid var(--line);border-radius:10px;background:white;overflow:hidden}.viewer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;background:#f7f6f3;border-bottom:1px solid var(--line)}.viewer-head strong{font-size:15px}.viewer-head span{font-size:13px;color:var(--muted)}.playground{display:grid;grid-template-columns:1fr 1fr}.experiment{min-width:0;padding:30px}.experiment+.experiment{border-left:1px solid var(--line)}.step-label{font-size:13px;color:var(--accent);margin-bottom:12px}.experiment h2{font-size:28px}.experiment-intro{margin-top:12px;color:var(--muted);font-size:16px}.token-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.token-strip button{min-height:46px;min-width:54px;padding:8px 12px;border:1px solid var(--line);border-radius:6px;background:white;color:var(--ink);font-size:16px}.token-strip button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}.result-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:30px;font-size:14px}.result-heading>span+span{font-size:13px;color:var(--muted)}.weight-list{display:grid;gap:10px;margin-top:16px}.weight-row{display:grid;grid-template-columns:5.5em minmax(20px,1fr) 5em;align-items:center;gap:12px;min-height:36px;font-size:14px}.weight-name{line-height:1.5}.weight-value{text-align:right;font-size:13px;font-variant-numeric:tabular-nums;color:var(--muted)}.weight-rail{height:8px;border-radius:8px;background:#eeece7;overflow:hidden}.weight-rail>span{display:block;height:100%;background:#8a4b38;border-radius:8px;transition:width 180ms ease-out}.weight-row.is-masked{color:#77746f}.weight-row.is-masked .weight-rail{background:repeating-linear-gradient(135deg,#eeece7 0,#eeece7 3px,#faf9f7 3px,#faf9f7 6px)}.experiment-footnote{font-size:13px;color:var(--muted);margin-top:22px;line-height:1.8}.sample-prompt{padding:16px 18px;background:#f7f6f3;border-radius:6px;margin-top:24px;font-size:16px;line-height:1.85;min-height:92px}.sample-prompt span{color:var(--accent)}.temperature-label{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:24px;font-size:14px}.temperature-label output{font-size:16px;font-variant-numeric:tabular-nums;color:var(--accent)}#temperature{display:block;width:100%;min-height:44px;margin:3px 0 0;accent-color:var(--accent);cursor:pointer}.temperature-presets{display:flex;gap:8px}.temperature-presets button{flex:1;min-width:0;min-height:44px;padding:8px 5px;border:1px solid var(--line);border-radius:5px;background:#fff;font-size:13px;color:var(--muted)}.temperature-presets button[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.sample-button{display:flex;align-items:center;justify-content:space-between;gap:28px;width:100%;min-height:48px;padding:12px 16px;margin-top:22px;background:#292824;color:white;border:1px solid #292824;border-radius:6px;font-size:15px;line-height:1.5}.sample-status{min-height:48px;margin-top:12px;color:var(--muted);font-size:13px;line-height:1.8}.playground-note{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;border-top:1px solid var(--line);padding:16px 24px;font-size:13px;color:var(--muted)}.playground-note a{display:inline-flex;align-items:center;gap:10px;min-height:44px;text-underline-offset:4px;font-size:13px}.study-panel{display:grid;gap:24px;grid-template-columns:repeat(2,minmax(0,1fr));min-width:0}.study-panel>*{min-width:0}.quick-nav{grid-column:1/-1;display:flex;gap:8px;overflow-x:auto;padding-bottom:16px;border-bottom:1px solid var(--line);scrollbar-width:thin}.quick-nav a{flex:1 0 90px;display:grid;place-items:center;min-height:44px;padding:8px 12px;font-size:14px;border-radius:24px;background:#f7f6f3;color:var(--muted);text-decoration:none}.card{padding:26px;border:1px solid var(--line);border-radius:8px;overflow-wrap:anywhere}.card.intro{background:#f7f6f3}.card p{margin-top:10px;font-size:16px;line-height:1.85;color:var(--muted)}.term-grid{display:grid;gap:12px;margin-top:20px}.term{padding:16px;border:1px solid var(--line);border-radius:8px}.term strong{display:block;font-size:16px}.term span{display:block;margin-top:5px;font-size:15px;color:var(--muted);line-height:1.85}.steps,.compact-list{margin:18px 0 0;padding-left:22px;line-height:1.85;font-size:16px}.steps{display:grid;gap:12px}.steps li{padding-left:4px}.steps strong,.steps span{display:block}.steps span{color:var(--muted);margin-top:4px}.portfolio-footer{padding:38px 0;font-size:13px;color:var(--muted);line-height:1.85}.source-note{margin-bottom:0}
@media(hover:hover) and (pointer:fine){button:hover,.source-link:hover{border-color:var(--accent)}.sample-button:hover{background:#45423c}.token-strip button:not([aria-pressed=true]):hover{background:var(--accent-soft)}}
@media(max-width:900px){.playground{grid-template-columns:1fr}.experiment+.experiment{border-left:0;border-top:1px solid var(--line)}.study-panel{grid-template-columns:1fr}.experiment{padding:28px}.weight-row{grid-template-columns:6em minmax(24px,1fr) 5em}}
@media(max-width:760px){.portfolio-nav,.topbar,.layout,.portfolio-footer{width:calc(100% - 40px)}.portfolio-nav{min-height:68px;padding:12px 0;font-size:13px}.topbar{display:block;padding:28px 0 25px}h1{font-size:34px;line-height:1.4}h2{font-size:25px}.header-intro{font-size:16px;margin-top:13px}.source-link{margin-top:18px}.layout{padding-top:24px;gap:28px}.viewer-head{padding:14px 18px;gap:8px;flex-wrap:wrap}.viewer-head span{font-size:13px}.experiment{padding:24px 18px}.experiment h2{font-size:25px}.experiment-intro{line-height:1.85}.token-strip{gap:6px;margin-top:22px}.token-strip button{min-width:44px;padding-inline:10px;font-size:15px}.weight-row{grid-template-columns:5.3em minmax(18px,1fr) 4.8em;gap:8px}.result-heading{margin-top:26px}.weight-list{gap:8px}.sample-prompt{padding:15px;min-height:88px}.playground-note{padding:16px 18px}.study-panel{gap:20px}.quick-nav{gap:6px;padding-bottom:13px}.quick-nav a{flex:0 0 auto;min-width:72px;font-size:13px;padding:9px 13px}.card{padding:22px 20px}.card h2{font-size:25px}.term{padding:14px}.portfolio-footer{padding:30px 0;font-size:13px}}
@media(max-width:360px){.portfolio-nav,.topbar,.layout,.portfolio-footer{width:calc(100% - 32px)}h1{font-size:32px}.experiment{padding:22px 14px}.experiment h2{font-size:24px}.token-strip{gap:5px}.token-strip button{padding-inline:8px}.weight-row{grid-template-columns:5em minmax(16px,1fr) 4.8em;gap:6px;font-size:13px}.card{padding:20px 16px}.temperature-presets{gap:5px}.temperature-presets button{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.weight-rail>span{transition:none}}